diff --git a/linux-0.11-lab/0/linux/Image b/linux-0.11-lab/0/linux/Image
index fc5e064..cb1654e 100644
Binary files a/linux-0.11-lab/0/linux/Image and b/linux-0.11-lab/0/linux/Image differ
diff --git a/linux-0.11-lab/0/linux/System.map b/linux-0.11-lab/0/linux/System.map
index 03c32e3..9ea110b 100644
--- a/linux-0.11-lab/0/linux/System.map
+++ b/linux-0.11-lab/0/linux/System.map
@@ -38,571 +38,574 @@
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+0000b395 T mem_init
+0000b409 T calc_mem
+0000b4fe T page_fault
+0000b535 t get_fs_long
+0000b54b T sys_ustat
+0000b551 T sys_utime
+0000b5fe T sys_access
+0000b6da T sys_chdir
+0000b74e T sys_chroot
+0000b7c2 T sys_chmod
+0000b85c T sys_chown
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+0000c621 T bmap
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+0000cdfe T sync_dev
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+0000cf69 T check_disk_change
+0000d013 t remove_from_queues
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+0000d237 T get_hash_table
+0000d2b9 T getblk
+0000d457 T brelse
+0000d4a0 T bread
+0000d525 T bread_page
+0000d647 T breada
+0000d73c T buffer_init
+0000d86b t lock_super
+0000d898 t free_super
+0000d8dd T get_super
+0000d94c T put_super
+0000da1f t read_super
+0000dd62 T sys_umount
+0000dec3 T sys_mount
+0000e034 T mount_root
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+0000e250 t put_fs_byte
+0000e268 T block_write
+0000e3ba T block_read
+0000e4e5 t get_fs_byte
+0000e4f3 t put_fs_byte
+0000e50b t rw_ttyx
+0000e553 t rw_tty
+0000e5a3 t rw_ram
+0000e5a9 t rw_mem
+0000e5af t rw_kmem
+0000e5b5 t rw_port
+0000e64f t rw_memory
+0000e725 T rw_char
+0000e78f t get_fs_byte
+0000e79d t put_fs_byte
+0000e7b5 T file_read
+0000e960 T file_write
+0000eb5a t put_fs_byte
+0000eb72 t cp_stat
+0000ec49 T sys_stat
+0000ec93 T sys_lstat
+0000ecae T sys_fstat
+0000ed0b T sys_readlink
+0000ed11 t _get_base
+0000ed43 t get_fs_byte
+0000ed51 t get_fs_long
+0000ed67 t put_fs_byte
+0000ed7f t put_fs_long
+0000ed8b t get_fs
+0000ed9f t get_ds
+0000edb3 t set_fs
+0000edba T sys_uselib
+0000edc0 t create_tables
+0000ef0b t count
+0000ef4a t copy_strings
+0000f106 t change_ldt
+0000f289 T do_execve
+0000fd0b t oom
+0000fd2a T do_execve2
+000108f5 t get_fs_byte
+00010903 t put_fs_byte
+0001091b t put_fs_long
+00010927 T read_pipe
+00010bfc T sys_pipe
+00010dfe t get_fs_byte
+00010e0c t permission
+00010ead t match
+00010f15 t find_entry
+0001136f t get_dir
+0001155c t dir_namei
+000115db T namei
+000116f1 T open_namei
+00011a44 T sys_mknod
+00011c74 T sys_mkdir
+00012025 t empty_dir
+00012203 T sys_rmdir
+0001255b T sys_unlink
+000127fc T sys_symlink
+00012802 T sys_link
+00012a5c T free_block
+00012bce T new_block
+00012d72 T free_inode
+00012ed9 T new_inode
+000130b3 t dupfd
+0001318d T sys_dup2
+000131b4 T sys_dup
+000131cf T sys_fcntl
+0001330e T sys_ioctl
+000133df t free_ind
+0001347e t free_dind
+0001351d T truncate
+00013652 T sys_select
+00013658 t put_fs_byte
+00013670 T sys_getdents
+00013836 T sys_sleep
+00013873 T sys_something
+00013879 T sys_getcwd
+00013a85 t lock_buffer
+00013ab2 t unlock_buffer
+00013ca4 t make_request
+00013e48 T ll_rw_block
+00013ea1 T blk_dev_init
+00013eef t unlock_buffer
+00013f24 t end_request
+00013fd5 T floppy_deselect
+0001400c T floppy_change
+00014092 t setup_DMA
+00014148 t output_byte
+000141be t result
+0001427b t bad_flp_intr
+000142da t rw_interrupt
+000143c9 T setup_rw_floppy
+0001448a t seek_interrupt
+000144e3 t transfer
+00014618 t recal_interrupt
+00014662 T unexpected_floppy_interrupt
+000146a7 t recalibrate_floppy
+00014709 t reset_interrupt
+0001474e t reset_floppy
+000147cb t floppy_on_interrupt
+00014836 t do_fd_request
+00014a3a T floppy_init
+00014a8c t unlock_buffer
+00014ac1 t end_request
+00014b60 T sys_setup
+00014f13 t controller_ready
+00014fa7 t hd_out
+00015094 t drive_busy
+000150fa t reset_controller
+00015177 t reset_hd
+0001520f T unexpected_hd_interrupt
+00015222 t bad_rw_intr
+00015260 t read_intr
+00015386 t recal_intr
+000153a0 t do_hd_request
+000156a1 T hd_init
+0001571b t unlock_buffer
+00015750 t end_request
+000157ef t do_rd_request
+00015925 T rd_init
+0001597b T rd_load
+00015c27 t get_fs_byte
+00015c35 t put_fs_byte
+00015c4d T tty_init
+00015c5e T tty_intr
+00015cd2 t sleep_if_empty
+00015d0a t sleep_if_full
+00015d7e T copy_to_cooked
+00016339 T tty_read
+000166a7 T tty_write
+000168b9 T do_tty_interrupt
+000168e1 T chr_dev_init
+000168e2 T readmouse
+00016a21 t gotoxy
+00016a6f t set_origin
+00016ad5 t scrup
+00016cc5 t scrdown
+00016dbc t lf
+00016df2 t ri
+00016e28 t cr
+00016e49 t del
+00016e7b t csi_J
+00016f0c t csi_K
+00016fbe T csi_m
+00017025 t set_cursor
+0001708b t respond
+000170e3 t insert_char
+00017146 t insert_line
+0001718a t delete_char
+000171e8 t delete_line
+0001722c t csi_at
+0001726a t csi_L
+000172a8 t csi_P
+000172e6 t csi_M
+00017324 t save_cur
+00017339 t restore_cur
+00017358 T con_write
+000179e6 T con_init
+00017ccb T sysbeepstop
+00017cf4 t sysbeep
+00017d52 t mode
+00017d53 t leds
+00017d54 t e0
+00017d55 T keyboard_interrupt
+00017d7e t e0_e1
+00017da9 t set_e0
+00017db2 t set_e1
+00017dbb t put_queue
+00017df4 t ctrl
+00017e0c t unctrl
+00017e10 t unalt
+00017e26 t lshift
+00017e2e t unlshift
+00017e36 t rshift
+00017e3e t unrshift
+00017e46 t caps
+00017e68 t set_leds
+00017e7e t uncaps
+00017e86 t scroll
+00017e8f t num
+00017e98 t cursor
+00017eb8 t cur2
+00017ee1 t cur
+00017eed t ok_cur
+00017efb t num_table
+00017f08 t cur_table
+00017f15 t func
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+00017f45 t end_func
+00017f46 t func_table
+00017f76 t key_map
+00017fd7 t shift_map
+00018099 t do_self
+00018101 t none
+00018102 t minus
+00018117 t key_table
+00018517 t kb_wait
+00018520 t reboot
+00018532 t die
+00018534 t init
+000185a9 T rs_init
+0001862c T rs_write
+0001867c T rs1_interrupt
+00018684 T rs2_interrupt
+00018689 t rs_int
+000186a0 t rep_int
+000186bd t end
+000186cb t jmp_table
+000186dc t modem_status
+000186e4 t line_status
+000186ec t read_char
+00018773 t get_fs_byte
+00018781 t get_fs_long
+00018797 t put_fs_byte
+000187af t put_fs_long
+000187bb t change_speed
+00018839 t flush
+0001884b t send_break
+0001884c t get_termios
+000188a8 t set_termios
+000188f8 t get_termio
+000189c0 t set_termio
+00018a84 T tty_ioctl
+00018d82 T mouse_interrupt
+00018dce t get_fs_byte
+00018ddc T math_emulate
+00018ebf T math_error
+00018edf T _exit
+00018eef T open
+00018f38 T close
+00018fac T dup
+00018fe3 T setsid
+00019012 T execve
+000190af T strcpy
+000190cb T strncpy
+000190f0 T strcat
+0001911b T strncat
+00019150 T strcmp
+00019177 T strncmp
+000191a5 T strchr
+000191d2 T strrchr
+00019201 T strspn
+0001923e T strcspn
+0001927b T strpbrk
+000192b2 T strstr
+000192eb T strlen
+0001930e T strtok
+00019391 T memcpy
+000193b1 T memmove
+00019405 T memcmp
+0001942f T memchr
+00019467 T memset
+0001948b t init_bucket_desc
+000194f4 T malloc
+00019680 T free_s
+0001d968 d envp_rc
+0001d97c d envp
+0001d9a0 D sys_call_table
+0001db20 D NR_syscalls
+0001db40 d init_task
+0001eb40 D current
+0001eb60 D task
+0001ec60 D stack_start
+0001ec68 D current_DOR
+0001ec80 d thisname.1955
+0001ecc0 d month
+0001ed00 d last_inode.1935
+0001ed04 D start_buffer
+0001ed20 d crw_table
+0001ed40 d ioctl_table
+0001ed60 d floppy_type
+0001ee20 d cur_spec1
+0001ee24 d cur_rate
+0001ee28 d floppy
+0001ee2c d current_track
+0001ee30 d callable.1844
+0001ee40 D tty_table
+00021360 D table_list
+00021380 d quotient
+000213a0 D _ctype
+000214c0 D bucket_dir
+00021510 B __bss_start
+00021510 D _edata
+00021520 b printbuf
+00021920 b memory_end
+00021924 b buffer_memory_end
+00021928 b main_memory_start
+00021940 B jiffies
+00021944 B startup_time
+00021948 B last_task_used_math
+0002194c B user_timer_list
+00021960 b mon_timer
+00021970 b moff_timer
+00021980 b timer_list
+00021c80 b next_timer
+00021c84 B last_pid
+00021ca0 b buf
+000220a0 B msg_que_fron
+000220a4 B msg_que_rear
+000220c0 b HIGH_MEMORY
+000220e0 b mem_map
+00022fe0 B inode_table
+000236e0 B nr_buffers
+000236e4 b free_list
+000236e8 b buffer_wait
+000236ec B ROOT_DEV
+00023720 B blk_dev
+00023758 B do_floppy
+0002375c B selected
+00023764 b recalibrate
+00023768 b reset
+0002376c b seek
+00023770 b reply_buffer
+00023777 b current_drive
+00023778 b sector
+00023779 b head
+0002377a b track
+0002377b b seek_track
+0002377c b command
+00023780 B do_hd
+000237a0 B hd_info
+000237d0 b recalibrate
+000237d4 b reset
+000237d8 b NR_HD
+000237e0 b hd
+00023830 B rd_length
+00023834 b mouse_input_count
+00023835 b mouse_left_down
+00023836 b mouse_right_down
+00023837 b mouse_left_move
+00023838 b mouse_down_move
+0002383c b mouse_x_position
+00023840 b mouse_y_position
+00023844 b cr_flag.1923
+00023860 B beepcount
+00023864 b video_type
+00023868 b video_num_columns
+0002386c b video_size_row
+00023870 b video_num_lines
+00023874 b video_page
+00023878 b video_mem_start
+0002387c b video_mem_end
+00023880 b video_port_reg
+00023882 b video_port_val
+00023884 b video_erase_char
+00023888 b origin
+0002388c b scr_end
+00023890 b pos
+00023894 b x
+00023898 b y
+0002389c b top
+000238a0 b bottom
+000238a4 b state
+000238a8 b npar
+000238c0 b par
+00023900 b ques
+00023904 b saved_x
+00023908 b saved_y
+0002390c B free_bucket_desc
+00023920 B drive_info
+00023940 B msg_que
+00025940 B user_stack
+00026940 B hash_table
+00026e20 B super_block
+00027180 B file_table
+00027580 B request
+00027a00 B rd_start
+00027a04 B _ctmp
+00027a08 B errno
+00027a0c B ___strtok
+00027a10 B end
+00027a10 B _end
diff --git a/linux-0.11-lab/0/linux/System.map.2 b/linux-0.11-lab/0/linux/System.map.2
index 6625959..67da62e 100644
--- a/linux-0.11-lab/0/linux/System.map.2
+++ b/linux-0.11-lab/0/linux/System.map.2
@@ -35,15 +35,15 @@ lib/lib.a(setsid.o)           init/main.o (setsid)
 lib/lib.a(execve.o)           init/main.o (execve)
 lib/lib.a(wait.o)             init/main.o (wait)
 lib/lib.a(string.o)           fs/fs.o (strcpy)
-lib/lib.a(malloc.o)           fs/fs.o (malloc)
+lib/lib.a(malloc.o)           kernel/kernel.o (malloc)
 
 分配公共符号
 公共符号            大小              文件
 
 errno               0x4               lib/lib.a(errno.o)
-headd               0x4               init/main.o
 hash_table          0x4cc             fs/fs.o
 ___strtok           0x4               lib/lib.a(string.o)
+msg_que             0x2000            kernel/kernel.o
 rd_start            0x4               kernel/blk_drv/blk_drv.a(ramdisk.o)
 request             0x480             kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
 user_stack          0x1000            kernel/kernel.o
@@ -208,7 +208,7 @@ LOAD lib/lib.a
  *(.iplt)
  .iplt          0x0000000000000000        0x0 boot/head.o
 
-.text           0x0000000000000000    0x19747
+.text           0x0000000000000000    0x197f7
  *(.text.unlikely .text.*_unlikely .text.unlikely.*)
  *(.text.exit .text.exit.*)
  *(.text.startup .text.startup.*)
@@ -230,7 +230,7 @@ LOAD lib/lib.a
                 0x000000000000698a                init
                 0x0000000000006c02                print_nr
  *fill*         0x0000000000006c33        0x1 
- .text          0x0000000000006c34     0x3c60 kernel/kernel.o
+ .text          0x0000000000006c34     0x3e00 kernel/kernel.o
                 0x0000000000006c34                show_task
                 0x0000000000006cb9                show_stat
                 0x0000000000006cff                math_state_restore
@@ -244,322 +244,323 @@ LOAD lib/lib.a
                 0x0000000000007139                floppy_off
                 0x0000000000007149                do_floppy_timer
                 0x000000000000721d                add_timer
-                0x0000000000007341                do_timer
-                0x0000000000007430                sys_alarm
-                0x00000000000074af                sys_getpid
-                0x00000000000074bb                sys_getppid
-                0x00000000000074c7                sys_getuid
-                0x00000000000074d6                sys_geteuid
-                0x00000000000074e6                sys_getgid
-                0x00000000000074f6                sys_getegid
-                0x0000000000007505                sys_nice
-                0x0000000000007530                sched_init
-                0x00000000000076d4                system_call
-                0x0000000000007758                coprocessor_error
-                0x000000000000777a                device_not_available
-                0x00000000000077b4                timer_interrupt
-                0x00000000000077ec                sys_execve
-                0x00000000000077fc                sys_execve2
-                0x000000000000780c                sys_fork
-                0x0000000000007824                hd_interrupt
-                0x0000000000007860                floppy_interrupt
-                0x0000000000007896                parallel_interrupt
-                0x0000000000007ab1                do_double_fault
-                0x0000000000007ad4                do_general_protection
-                0x0000000000007af7                do_divide_error
-                0x0000000000007b1a                do_int3
-                0x0000000000007be2                do_nmi
-                0x0000000000007c05                do_debug
-                0x0000000000007c28                do_overflow
-                0x0000000000007c4b                do_bounds
-                0x0000000000007c6e                do_invalid_op
-                0x0000000000007c91                do_device_not_available
-                0x0000000000007cb4                do_coprocessor_segment_overrun
-                0x0000000000007cd7                do_invalid_TSS
-                0x0000000000007cfa                do_segment_not_present
-                0x0000000000007d1d                do_stack_segment
-                0x0000000000007d40                do_coprocessor_error
-                0x0000000000007d74                do_reserved
-                0x0000000000007d97                trap_init
-                0x000000000000807b                divide_error
-                0x00000000000080b0                debug
-                0x00000000000080b7                nmi
-                0x00000000000080be                int3
-                0x00000000000080c5                overflow
-                0x00000000000080cc                bounds
-                0x00000000000080d3                invalid_op
-                0x00000000000080da                coprocessor_segment_overrun
-                0x00000000000080e1                reserved
-                0x00000000000080e8                irq13
-                0x00000000000080fd                double_fault
-                0x0000000000008134                invalid_TSS
-                0x000000000000813b                segment_not_present
-                0x0000000000008142                stack_segment
-                0x0000000000008149                general_protection
-                0x0000000000008182                verify_area
-                0x00000000000081e9                copy_mem
-                0x0000000000008343                copy_process
-                0x00000000000087f0                find_empty_process
-                0x0000000000008884                panic
-                0x00000000000088bf                printk
-                0x0000000000008bdc                vsprintf
-                0x00000000000090a2                sys_ftime
-                0x00000000000090a8                sys_break
-                0x00000000000090ae                sys_ptrace
-                0x00000000000090b4                sys_stty
-                0x00000000000090ba                sys_gtty
-                0x00000000000090c0                sys_rename
-                0x00000000000090c6                sys_prof
-                0x00000000000090cc                sys_setregid
-                0x0000000000009185                sys_setgid
-                0x000000000000921c                sys_acct
-                0x0000000000009222                sys_phys
-                0x0000000000009228                sys_lock
-                0x000000000000922e                sys_mpx
-                0x0000000000009234                sys_ulimit
-                0x000000000000923a                sys_time
-                0x0000000000009296                sys_setreuid
-                0x0000000000009378                sys_setuid
-                0x000000000000940d                sys_stime
-                0x0000000000009463                sys_times
-                0x0000000000009503                sys_brk
-                0x0000000000009545                sys_setpgid
-                0x000000000000961e                sys_getpgrp
-                0x000000000000962a                sys_setsid
-                0x00000000000096a4                sys_getgroups
-                0x00000000000096aa                sys_setgroups
-                0x00000000000096b0                sys_uname
-                0x0000000000009719                sys_sethostname
-                0x000000000000971f                sys_getrlimit
-                0x0000000000009725                sys_setrlimit
-                0x000000000000972b                sys_getrusage
-                0x0000000000009731                sys_gettimeofday
-                0x0000000000009737                sys_settimeofday
-                0x000000000000973d                sys_umask
-                0x00000000000097ae                release
-                0x00000000000098eb                sys_kill
-                0x0000000000009b25                do_exit
-                0x0000000000009d59                sys_exit
-                0x0000000000009d72                sys_waitpid
-                0x0000000000009fca                sys_sgetmask
-                0x0000000000009fd6                sys_ssetmask
-                0x000000000000a002                sys_sigpending
-                0x000000000000a008                sys_sigsuspend
-                0x000000000000a0a1                sys_signal
-                0x000000000000a125                sys_sigaction
-                0x000000000000a22f                do_signal
-                0x000000000000a41b                kernel_mktime
-                0x000000000000a560                sys_init_graphics
-                0x000000000000a733                sys_get_message
-                0x000000000000a75f                sys_repaint
- .text          0x000000000000a894      0xb01 mm/mm.o
-                0x000000000000a8b3                get_free_page
-                0x000000000000a8ef                free_page
-                0x000000000000a95e                free_page_tables
-                0x000000000000aa5d                copy_page_tables
-                0x000000000000abde                put_page
-                0x000000000000acca                un_wp_page
-                0x000000000000ad82                do_wp_page
-                0x000000000000adb4                write_verify
-                0x000000000000ae0d                get_empty_page
-                0x000000000000b093                do_no_page
-                0x000000000000b1f5                mem_init
-                0x000000000000b269                calc_mem
-                0x000000000000b35e                page_fault
- .text          0x000000000000b395     0x8550 fs/fs.o
-                0x000000000000b3ab                sys_ustat
-                0x000000000000b3b1                sys_utime
-                0x000000000000b45e                sys_access
-                0x000000000000b53a                sys_chdir
-                0x000000000000b5ae                sys_chroot
-                0x000000000000b622                sys_chmod
-                0x000000000000b6bc                sys_chown
-                0x000000000000b737                sys_open
-                0x000000000000b9da                sys_creat
-                0x000000000000b9fd                sys_close
-                0x000000000000bacc                sys_lseek
-                0x000000000000bbe3                sys_read
-                0x000000000000bdd6                sys_write
-                0x000000000000bfcf                invalidate_inodes
-                0x000000000000c03e                sync_inodes
-                0x000000000000c481                bmap
-                0x000000000000c4a4                create_block
-                0x000000000000c4c7                iput
-                0x000000000000c636                get_empty_inode
-                0x000000000000c78b                get_pipe_inode
-                0x000000000000c800                iget
-                0x000000000000cbfb                sys_sync
-                0x000000000000cc5e                sync_dev
-                0x000000000000cd57                invalidate_buffers
-                0x000000000000cdc9                check_disk_change
-                0x000000000000d097                get_hash_table
-                0x000000000000d119                getblk
-                0x000000000000d2b7                brelse
-                0x000000000000d300                bread
-                0x000000000000d385                bread_page
-                0x000000000000d4a7                breada
-                0x000000000000d59c                buffer_init
-                0x000000000000d73d                get_super
-                0x000000000000d7ac                put_super
-                0x000000000000dbc2                sys_umount
-                0x000000000000dd23                sys_mount
-                0x000000000000de94                mount_root
-                0x000000000000e0c8                block_write
-                0x000000000000e21a                block_read
-                0x000000000000e585                rw_char
-                0x000000000000e615                file_read
-                0x000000000000e7c0                file_write
-                0x000000000000eaa9                sys_stat
-                0x000000000000eaf3                sys_lstat
-                0x000000000000eb0e                sys_fstat
-                0x000000000000eb6b                sys_readlink
-                0x000000000000ec1a                sys_uselib
-                0x000000000000f0e9                do_execve
-                0x000000000000fb8a                do_execve2
-                0x0000000000010787                read_pipe
-                0x00000000000108dd                write_pipe
-                0x0000000000010a5c                sys_pipe
-                0x000000000001143b                namei
-                0x0000000000011551                open_namei
-                0x00000000000118a4                sys_mknod
-                0x0000000000011ad4                sys_mkdir
-                0x0000000000012063                sys_rmdir
-                0x00000000000123bb                sys_unlink
-                0x000000000001265c                sys_symlink
-                0x0000000000012662                sys_link
-                0x00000000000128bc                free_block
-                0x0000000000012a2e                new_block
-                0x0000000000012bd2                free_inode
-                0x0000000000012d39                new_inode
-                0x0000000000012fed                sys_dup2
-                0x0000000000013014                sys_dup
-                0x000000000001302f                sys_fcntl
-                0x000000000001316e                sys_ioctl
-                0x000000000001337d                truncate
-                0x00000000000134b2                sys_select
-                0x00000000000134d0                sys_getdents
-                0x0000000000013696                sys_sleep
-                0x00000000000136d3                sys_something
-                0x00000000000136d9                sys_getcwd
- .text          0x00000000000138e5      0x46a kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
-                0x0000000000013ca8                ll_rw_block
-                0x0000000000013d01                blk_dev_init
- .text          0x0000000000013d4f      0xb9d kernel/blk_drv/blk_drv.a(floppy.o)
-                0x0000000000013e35                floppy_deselect
-                0x0000000000013e6c                floppy_change
-                0x0000000000014229                setup_rw_floppy
-                0x00000000000144c2                unexpected_floppy_interrupt
-                0x000000000001489a                floppy_init
- .text          0x00000000000148ec      0xc8f kernel/blk_drv/blk_drv.a(hd.o)
-                0x00000000000149c0                sys_setup
-                0x000000000001506f                unexpected_hd_interrupt
-                0x0000000000015501                hd_init
- .text          0x000000000001557b      0x50c kernel/blk_drv/blk_drv.a(ramdisk.o)
-                0x0000000000015785                rd_init
-                0x00000000000157db                rd_load
- .text          0x0000000000015a87      0xeea kernel/chr_drv/chr_drv.a(tty_io.o)
-                0x0000000000015aad                tty_init
-                0x0000000000015abe                tty_intr
-                0x0000000000015bcb                wait_for_keypress
-                0x0000000000015bde                copy_to_cooked
-                0x0000000000016199                tty_read
-                0x0000000000016507                tty_write
-                0x0000000000016719                do_tty_interrupt
-                0x0000000000016741                chr_dev_init
-                0x0000000000016742                readmouse
-                0x0000000000016916                post_message
- .text          0x0000000000016971     0x1331 kernel/chr_drv/chr_drv.a(console.o)
-                0x0000000000016f0e                csi_m
-                0x00000000000172a8                con_write
-                0x0000000000017936                con_init
-                0x0000000000017c1b                sysbeepstop
- .text          0x0000000000017ca2      0x7e2 kernel/chr_drv/chr_drv.a(keyboard.2.o)
-                0x0000000000017ca5                keyboard_interrupt
- .text          0x0000000000018484      0x145 kernel/chr_drv/chr_drv.a(serial.o)
-                0x00000000000184f9                rs_init
-                0x000000000001857c                rs_write
- *fill*         0x00000000000185c9        0x3 
- .text          0x00000000000185cc       0xf7 kernel/chr_drv/chr_drv.a(rs_io.o)
-                0x00000000000185cc                rs1_interrupt
-                0x00000000000185d4                rs2_interrupt
- .text          0x00000000000186c3      0x60f kernel/chr_drv/chr_drv.a(tty_ioctl.o)
-                0x00000000000189d4                tty_ioctl
- .text          0x0000000000018cd2       0x4c kernel/chr_drv/chr_drv.a(mouse.2.o)
-                0x0000000000018cd2                mouse_interrupt
- .text          0x0000000000018d1e      0x111 kernel/math/math.a(math_emulate.o)
-                0x0000000000018d2c                math_emulate
-                0x0000000000018e0f                math_error
- .text          0x0000000000018e2f        0x0 lib/lib.a(ctype.o)
- .text          0x0000000000018e2f       0x10 lib/lib.a(_exit.o)
-                0x0000000000018e2f                _exit
- .text          0x0000000000018e3f       0x49 lib/lib.a(open.o)
-                0x0000000000018e3f                open
- .text          0x0000000000018e88       0x37 lib/lib.a(close.o)
-                0x0000000000018e88                close
- .text          0x0000000000018ebf        0x0 lib/lib.a(errno.o)
- .text          0x0000000000018ebf       0x3d lib/lib.a(write.o)
-                0x0000000000018ebf                write
- .text          0x0000000000018efc       0x37 lib/lib.a(dup.o)
-                0x0000000000018efc                dup
- .text          0x0000000000018f33       0x2f lib/lib.a(setsid.o)
-                0x0000000000018f33                setsid
- .text          0x0000000000018f62       0x3d lib/lib.a(execve.o)
-                0x0000000000018f62                execve
- .text          0x0000000000018f9f       0x60 lib/lib.a(wait.o)
-                0x0000000000018f9f                waitpid
-                0x0000000000018fdc                wait
- .text          0x0000000000018fff      0x3dc lib/lib.a(string.o)
-                0x0000000000018fff                strcpy
-                0x000000000001901b                strncpy
-                0x0000000000019040                strcat
-                0x000000000001906b                strncat
-                0x00000000000190a0                strcmp
-                0x00000000000190c7                strncmp
-                0x00000000000190f5                strchr
-                0x0000000000019122                strrchr
-                0x0000000000019151                strspn
-                0x000000000001918e                strcspn
-                0x00000000000191cb                strpbrk
-                0x0000000000019202                strstr
-                0x000000000001923b                strlen
-                0x000000000001925e                strtok
-                0x00000000000192e1                memcpy
-                0x0000000000019301                memmove
-                0x0000000000019355                memcmp
-                0x000000000001937f                memchr
-                0x00000000000193b7                memset
- .text          0x00000000000193db      0x36c lib/lib.a(malloc.o)
-                0x0000000000019444                malloc
-                0x00000000000195d0                free_s
+                0x0000000000007341                sys_timercreate
+                0x00000000000073c2                do_timer
+                0x00000000000075a5                sys_alarm
+                0x0000000000007624                sys_getpid
+                0x0000000000007630                sys_getppid
+                0x000000000000763c                sys_getuid
+                0x000000000000764b                sys_geteuid
+                0x000000000000765b                sys_getgid
+                0x000000000000766b                sys_getegid
+                0x000000000000767a                sys_nice
+                0x00000000000076a5                sched_init
+                0x0000000000007848                system_call
+                0x00000000000078cc                coprocessor_error
+                0x00000000000078ee                device_not_available
+                0x0000000000007928                timer_interrupt
+                0x0000000000007960                sys_execve
+                0x0000000000007970                sys_execve2
+                0x0000000000007980                sys_fork
+                0x0000000000007998                hd_interrupt
+                0x00000000000079d4                floppy_interrupt
+                0x0000000000007a0a                parallel_interrupt
+                0x0000000000007c25                do_double_fault
+                0x0000000000007c48                do_general_protection
+                0x0000000000007c6b                do_divide_error
+                0x0000000000007c8e                do_int3
+                0x0000000000007d56                do_nmi
+                0x0000000000007d79                do_debug
+                0x0000000000007d9c                do_overflow
+                0x0000000000007dbf                do_bounds
+                0x0000000000007de2                do_invalid_op
+                0x0000000000007e05                do_device_not_available
+                0x0000000000007e28                do_coprocessor_segment_overrun
+                0x0000000000007e4b                do_invalid_TSS
+                0x0000000000007e6e                do_segment_not_present
+                0x0000000000007e91                do_stack_segment
+                0x0000000000007eb4                do_coprocessor_error
+                0x0000000000007ee8                do_reserved
+                0x0000000000007f0b                trap_init
+                0x00000000000081ef                divide_error
+                0x0000000000008224                debug
+                0x000000000000822b                nmi
+                0x0000000000008232                int3
+                0x0000000000008239                overflow
+                0x0000000000008240                bounds
+                0x0000000000008247                invalid_op
+                0x000000000000824e                coprocessor_segment_overrun
+                0x0000000000008255                reserved
+                0x000000000000825c                irq13
+                0x0000000000008271                double_fault
+                0x00000000000082a8                invalid_TSS
+                0x00000000000082af                segment_not_present
+                0x00000000000082b6                stack_segment
+                0x00000000000082bd                general_protection
+                0x00000000000082f6                verify_area
+                0x000000000000835d                copy_mem
+                0x00000000000084b7                copy_process
+                0x0000000000008964                find_empty_process
+                0x00000000000089f8                panic
+                0x0000000000008a33                printk
+                0x0000000000008d50                vsprintf
+                0x0000000000009216                sys_ftime
+                0x000000000000921c                sys_break
+                0x0000000000009222                sys_ptrace
+                0x0000000000009228                sys_stty
+                0x000000000000922e                sys_gtty
+                0x0000000000009234                sys_rename
+                0x000000000000923a                sys_prof
+                0x0000000000009240                sys_setregid
+                0x00000000000092f9                sys_setgid
+                0x0000000000009390                sys_acct
+                0x0000000000009396                sys_phys
+                0x000000000000939c                sys_lock
+                0x00000000000093a2                sys_mpx
+                0x00000000000093a8                sys_ulimit
+                0x00000000000093ae                sys_time
+                0x000000000000940a                sys_setreuid
+                0x00000000000094ec                sys_setuid
+                0x0000000000009581                sys_stime
+                0x00000000000095d7                sys_times
+                0x0000000000009677                sys_brk
+                0x00000000000096b9                sys_setpgid
+                0x0000000000009792                sys_getpgrp
+                0x000000000000979e                sys_setsid
+                0x0000000000009818                sys_getgroups
+                0x000000000000981e                sys_setgroups
+                0x0000000000009824                sys_uname
+                0x000000000000988d                sys_sethostname
+                0x0000000000009893                sys_getrlimit
+                0x0000000000009899                sys_setrlimit
+                0x000000000000989f                sys_getrusage
+                0x00000000000098a5                sys_gettimeofday
+                0x00000000000098ab                sys_settimeofday
+                0x00000000000098b1                sys_umask
+                0x0000000000009922                release
+                0x0000000000009a5f                sys_kill
+                0x0000000000009c99                do_exit
+                0x0000000000009ecd                sys_exit
+                0x0000000000009ee6                sys_waitpid
+                0x000000000000a13e                sys_sgetmask
+                0x000000000000a14a                sys_ssetmask
+                0x000000000000a176                sys_sigpending
+                0x000000000000a17c                sys_sigsuspend
+                0x000000000000a215                sys_signal
+                0x000000000000a299                sys_sigaction
+                0x000000000000a3a3                do_signal
+                0x000000000000a58f                kernel_mktime
+                0x000000000000a6ea                sys_init_graphics
+                0x000000000000a82c                sys_repaint
+                0x000000000000a929                post_message
+                0x000000000000a984                sys_get_message
+ .text          0x000000000000aa34      0xb01 mm/mm.o
+                0x000000000000aa53                get_free_page
+                0x000000000000aa8f                free_page
+                0x000000000000aafe                free_page_tables
+                0x000000000000abfd                copy_page_tables
+                0x000000000000ad7e                put_page
+                0x000000000000ae6a                un_wp_page
+                0x000000000000af22                do_wp_page
+                0x000000000000af54                write_verify
+                0x000000000000afad                get_empty_page
+                0x000000000000b233                do_no_page
+                0x000000000000b395                mem_init
+                0x000000000000b409                calc_mem
+                0x000000000000b4fe                page_fault
+ .text          0x000000000000b535     0x8550 fs/fs.o
+                0x000000000000b54b                sys_ustat
+                0x000000000000b551                sys_utime
+                0x000000000000b5fe                sys_access
+                0x000000000000b6da                sys_chdir
+                0x000000000000b74e                sys_chroot
+                0x000000000000b7c2                sys_chmod
+                0x000000000000b85c                sys_chown
+                0x000000000000b8d7                sys_open
+                0x000000000000bb7a                sys_creat
+                0x000000000000bb9d                sys_close
+                0x000000000000bc6c                sys_lseek
+                0x000000000000bd83                sys_read
+                0x000000000000bf76                sys_write
+                0x000000000000c16f                invalidate_inodes
+                0x000000000000c1de                sync_inodes
+                0x000000000000c621                bmap
+                0x000000000000c644                create_block
+                0x000000000000c667                iput
+                0x000000000000c7d6                get_empty_inode
+                0x000000000000c92b                get_pipe_inode
+                0x000000000000c9a0                iget
+                0x000000000000cd9b                sys_sync
+                0x000000000000cdfe                sync_dev
+                0x000000000000cef7                invalidate_buffers
+                0x000000000000cf69                check_disk_change
+                0x000000000000d237                get_hash_table
+                0x000000000000d2b9                getblk
+                0x000000000000d457                brelse
+                0x000000000000d4a0                bread
+                0x000000000000d525                bread_page
+                0x000000000000d647                breada
+                0x000000000000d73c                buffer_init
+                0x000000000000d8dd                get_super
+                0x000000000000d94c                put_super
+                0x000000000000dd62                sys_umount
+                0x000000000000dec3                sys_mount
+                0x000000000000e034                mount_root
+                0x000000000000e268                block_write
+                0x000000000000e3ba                block_read
+                0x000000000000e725                rw_char
+                0x000000000000e7b5                file_read
+                0x000000000000e960                file_write
+                0x000000000000ec49                sys_stat
+                0x000000000000ec93                sys_lstat
+                0x000000000000ecae                sys_fstat
+                0x000000000000ed0b                sys_readlink
+                0x000000000000edba                sys_uselib
+                0x000000000000f289                do_execve
+                0x000000000000fd2a                do_execve2
+                0x0000000000010927                read_pipe
+                0x0000000000010a7d                write_pipe
+                0x0000000000010bfc                sys_pipe
+                0x00000000000115db                namei
+                0x00000000000116f1                open_namei
+                0x0000000000011a44                sys_mknod
+                0x0000000000011c74                sys_mkdir
+                0x0000000000012203                sys_rmdir
+                0x000000000001255b                sys_unlink
+                0x00000000000127fc                sys_symlink
+                0x0000000000012802                sys_link
+                0x0000000000012a5c                free_block
+                0x0000000000012bce                new_block
+                0x0000000000012d72                free_inode
+                0x0000000000012ed9                new_inode
+                0x000000000001318d                sys_dup2
+                0x00000000000131b4                sys_dup
+                0x00000000000131cf                sys_fcntl
+                0x000000000001330e                sys_ioctl
+                0x000000000001351d                truncate
+                0x0000000000013652                sys_select
+                0x0000000000013670                sys_getdents
+                0x0000000000013836                sys_sleep
+                0x0000000000013873                sys_something
+                0x0000000000013879                sys_getcwd
+ .text          0x0000000000013a85      0x46a kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+                0x0000000000013e48                ll_rw_block
+                0x0000000000013ea1                blk_dev_init
+ .text          0x0000000000013eef      0xb9d kernel/blk_drv/blk_drv.a(floppy.o)
+                0x0000000000013fd5                floppy_deselect
+                0x000000000001400c                floppy_change
+                0x00000000000143c9                setup_rw_floppy
+                0x0000000000014662                unexpected_floppy_interrupt
+                0x0000000000014a3a                floppy_init
+ .text          0x0000000000014a8c      0xc8f kernel/blk_drv/blk_drv.a(hd.o)
+                0x0000000000014b60                sys_setup
+                0x000000000001520f                unexpected_hd_interrupt
+                0x00000000000156a1                hd_init
+ .text          0x000000000001571b      0x50c kernel/blk_drv/blk_drv.a(ramdisk.o)
+                0x0000000000015925                rd_init
+                0x000000000001597b                rd_load
+ .text          0x0000000000015c27      0xdfa kernel/chr_drv/chr_drv.a(tty_io.o)
+                0x0000000000015c4d                tty_init
+                0x0000000000015c5e                tty_intr
+                0x0000000000015d6b                wait_for_keypress
+                0x0000000000015d7e                copy_to_cooked
+                0x0000000000016339                tty_read
+                0x00000000000166a7                tty_write
+                0x00000000000168b9                do_tty_interrupt
+                0x00000000000168e1                chr_dev_init
+                0x00000000000168e2                readmouse
+ .text          0x0000000000016a21     0x1331 kernel/chr_drv/chr_drv.a(console.o)
+                0x0000000000016fbe                csi_m
+                0x0000000000017358                con_write
+                0x00000000000179e6                con_init
+                0x0000000000017ccb                sysbeepstop
+ .text          0x0000000000017d52      0x7e2 kernel/chr_drv/chr_drv.a(keyboard.2.o)
+                0x0000000000017d55                keyboard_interrupt
+ .text          0x0000000000018534      0x145 kernel/chr_drv/chr_drv.a(serial.o)
+                0x00000000000185a9                rs_init
+                0x000000000001862c                rs_write
+ *fill*         0x0000000000018679        0x3 
+ .text          0x000000000001867c       0xf7 kernel/chr_drv/chr_drv.a(rs_io.o)
+                0x000000000001867c                rs1_interrupt
+                0x0000000000018684                rs2_interrupt
+ .text          0x0000000000018773      0x60f kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+                0x0000000000018a84                tty_ioctl
+ .text          0x0000000000018d82       0x4c kernel/chr_drv/chr_drv.a(mouse.2.o)
+                0x0000000000018d82                mouse_interrupt
+ .text          0x0000000000018dce      0x111 kernel/math/math.a(math_emulate.o)
+                0x0000000000018ddc                math_emulate
+                0x0000000000018ebf                math_error
+ .text          0x0000000000018edf        0x0 lib/lib.a(ctype.o)
+ .text          0x0000000000018edf       0x10 lib/lib.a(_exit.o)
+                0x0000000000018edf                _exit
+ .text          0x0000000000018eef       0x49 lib/lib.a(open.o)
+                0x0000000000018eef                open
+ .text          0x0000000000018f38       0x37 lib/lib.a(close.o)
+                0x0000000000018f38                close
+ .text          0x0000000000018f6f        0x0 lib/lib.a(errno.o)
+ .text          0x0000000000018f6f       0x3d lib/lib.a(write.o)
+                0x0000000000018f6f                write
+ .text          0x0000000000018fac       0x37 lib/lib.a(dup.o)
+                0x0000000000018fac                dup
+ .text          0x0000000000018fe3       0x2f lib/lib.a(setsid.o)
+                0x0000000000018fe3                setsid
+ .text          0x0000000000019012       0x3d lib/lib.a(execve.o)
+                0x0000000000019012                execve
+ .text          0x000000000001904f       0x60 lib/lib.a(wait.o)
+                0x000000000001904f                waitpid
+                0x000000000001908c                wait
+ .text          0x00000000000190af      0x3dc lib/lib.a(string.o)
+                0x00000000000190af                strcpy
+                0x00000000000190cb                strncpy
+                0x00000000000190f0                strcat
+                0x000000000001911b                strncat
+                0x0000000000019150                strcmp
+                0x0000000000019177                strncmp
+                0x00000000000191a5                strchr
+                0x00000000000191d2                strrchr
+                0x0000000000019201                strspn
+                0x000000000001923e                strcspn
+                0x000000000001927b                strpbrk
+                0x00000000000192b2                strstr
+                0x00000000000192eb                strlen
+                0x000000000001930e                strtok
+                0x0000000000019391                memcpy
+                0x00000000000193b1                memmove
+                0x0000000000019405                memcmp
+                0x000000000001942f                memchr
+                0x0000000000019467                memset
+ .text          0x000000000001948b      0x36c lib/lib.a(malloc.o)
+                0x00000000000194f4                malloc
+                0x0000000000019680                free_s
  *(.gnu.warning)
 
 .fini
  *(SORT(.fini))
-                0x0000000000019747                PROVIDE (__etext, .)
-                0x0000000000019747                PROVIDE (_etext, .)
-                0x0000000000019747                PROVIDE (etext, .)
+                0x00000000000197f7                PROVIDE (__etext, .)
+                0x00000000000197f7                PROVIDE (_etext, .)
+                0x00000000000197f7                PROVIDE (etext, .)
 
-.rodata         0x0000000000019748     0x14cb
+.rodata         0x00000000000197f8     0x14cb
  *(.rodata .rodata.* .gnu.linkonce.r.*)
- .rodata        0x0000000000019748       0xc9 init/main.o
- *fill*         0x0000000000019811        0x3 
- .rodata        0x0000000000019814      0x438 kernel/kernel.o
- .rodata        0x0000000000019c4c      0x18f mm/mm.o
- *fill*         0x0000000000019ddb        0x1 
- .rodata        0x0000000000019ddc      0x63c fs/fs.o
- .rodata        0x000000000001a418       0x7a kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
- *fill*         0x000000000001a492        0x2 
- .rodata        0x000000000001a494      0x133 kernel/blk_drv/blk_drv.a(floppy.o)
- *fill*         0x000000000001a5c7        0x1 
- .rodata        0x000000000001a5c8      0x19b kernel/blk_drv/blk_drv.a(hd.o)
- *fill*         0x000000000001a763        0x1 
- .rodata        0x000000000001a764      0x188 kernel/blk_drv/blk_drv.a(ramdisk.o)
- .rodata        0x000000000001a8ec      0x17d kernel/chr_drv/chr_drv.a(console.o)
- *fill*         0x000000000001aa69        0x3 
- .rodata        0x000000000001aa6c       0x80 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
- .rodata        0x000000000001aaec       0x52 kernel/math/math.a(math_emulate.o)
- *fill*         0x000000000001ab3e        0x2 
- .rodata        0x000000000001ab40       0xd3 lib/lib.a(malloc.o)
+ .rodata        0x00000000000197f8       0xc9 init/main.o
+ *fill*         0x00000000000198c1        0x3 
+ .rodata        0x00000000000198c4      0x438 kernel/kernel.o
+ .rodata        0x0000000000019cfc      0x18f mm/mm.o
+ *fill*         0x0000000000019e8b        0x1 
+ .rodata        0x0000000000019e8c      0x63c fs/fs.o
+ .rodata        0x000000000001a4c8       0x7a kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+ *fill*         0x000000000001a542        0x2 
+ .rodata        0x000000000001a544      0x133 kernel/blk_drv/blk_drv.a(floppy.o)
+ *fill*         0x000000000001a677        0x1 
+ .rodata        0x000000000001a678      0x19b kernel/blk_drv/blk_drv.a(hd.o)
+ *fill*         0x000000000001a813        0x1 
+ .rodata        0x000000000001a814      0x188 kernel/blk_drv/blk_drv.a(ramdisk.o)
+ .rodata        0x000000000001a99c      0x17d kernel/chr_drv/chr_drv.a(console.o)
+ *fill*         0x000000000001ab19        0x3 
+ .rodata        0x000000000001ab1c       0x80 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+ .rodata        0x000000000001ab9c       0x52 kernel/math/math.a(math_emulate.o)
+ *fill*         0x000000000001abee        0x2 
+ .rodata        0x000000000001abf0       0xd3 lib/lib.a(malloc.o)
 
 .rodata1
  *(.rodata1)
@@ -567,52 +568,52 @@ LOAD lib/lib.a
 .eh_frame_hdr
  *(.eh_frame_hdr)
 
-.eh_frame       0x000000000001ac14     0x2c3c
+.eh_frame       0x000000000001acc4     0x2c80
  *(.eh_frame)
- .eh_frame      0x000000000001ac14      0x120 init/main.o
- .eh_frame      0x000000000001ad34      0xb54 kernel/kernel.o
-                                        0xc5c (size before relaxing)
- .eh_frame      0x000000000001b888      0x194 mm/mm.o
+ .eh_frame      0x000000000001acc4      0x120 init/main.o
+ .eh_frame      0x000000000001ade4      0xbb0 kernel/kernel.o
+                                        0xcd0 (size before relaxing)
+ .eh_frame      0x000000000001b994      0x194 mm/mm.o
                                         0x1ac (size before relaxing)
- .eh_frame      0x000000000001ba1c      0xea4 fs/fs.o
+ .eh_frame      0x000000000001bb28      0xea4 fs/fs.o
                                        0x1054 (size before relaxing)
- .eh_frame      0x000000000001c8c0       0x98 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+ .eh_frame      0x000000000001c9cc       0x98 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
                                          0xb0 (size before relaxing)
- .eh_frame      0x000000000001c958      0x23c kernel/blk_drv/blk_drv.a(floppy.o)
+ .eh_frame      0x000000000001ca64      0x23c kernel/blk_drv/blk_drv.a(floppy.o)
                                         0x254 (size before relaxing)
- .eh_frame      0x000000000001cb94      0x1e8 kernel/blk_drv/blk_drv.a(hd.o)
+ .eh_frame      0x000000000001cca0      0x1e8 kernel/blk_drv/blk_drv.a(hd.o)
                                         0x200 (size before relaxing)
- .eh_frame      0x000000000001cd7c       0xac kernel/blk_drv/blk_drv.a(ramdisk.o)
+ .eh_frame      0x000000000001ce88       0xac kernel/blk_drv/blk_drv.a(ramdisk.o)
                                          0xc4 (size before relaxing)
- .eh_frame      0x000000000001ce28      0x160 kernel/chr_drv/chr_drv.a(tty_io.o)
-                                        0x178 (size before relaxing)
- .eh_frame      0x000000000001cf88      0x2c0 kernel/chr_drv/chr_drv.a(console.o)
+ .eh_frame      0x000000000001cf34      0x148 kernel/chr_drv/chr_drv.a(tty_io.o)
+                                        0x160 (size before relaxing)
+ .eh_frame      0x000000000001d07c      0x2c0 kernel/chr_drv/chr_drv.a(console.o)
                                         0x2d8 (size before relaxing)
- .eh_frame      0x000000000001d248       0x54 kernel/chr_drv/chr_drv.a(serial.o)
+ .eh_frame      0x000000000001d33c       0x54 kernel/chr_drv/chr_drv.a(serial.o)
                                          0x6c (size before relaxing)
- .eh_frame      0x000000000001d29c      0x148 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+ .eh_frame      0x000000000001d390      0x148 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
                                         0x160 (size before relaxing)
- .eh_frame      0x000000000001d3e4       0x5c kernel/math/math.a(math_emulate.o)
+ .eh_frame      0x000000000001d4d8       0x5c kernel/math/math.a(math_emulate.o)
                                          0x74 (size before relaxing)
- .eh_frame      0x000000000001d440       0x1c lib/lib.a(_exit.o)
+ .eh_frame      0x000000000001d534       0x1c lib/lib.a(_exit.o)
                                          0x34 (size before relaxing)
- .eh_frame      0x000000000001d45c       0x24 lib/lib.a(open.o)
+ .eh_frame      0x000000000001d550       0x24 lib/lib.a(open.o)
                                          0x3c (size before relaxing)
- .eh_frame      0x000000000001d480       0x20 lib/lib.a(close.o)
+ .eh_frame      0x000000000001d574       0x20 lib/lib.a(close.o)
                                          0x38 (size before relaxing)
- .eh_frame      0x000000000001d4a0       0x20 lib/lib.a(write.o)
+ .eh_frame      0x000000000001d594       0x20 lib/lib.a(write.o)
                                          0x38 (size before relaxing)
- .eh_frame      0x000000000001d4c0       0x20 lib/lib.a(dup.o)
+ .eh_frame      0x000000000001d5b4       0x20 lib/lib.a(dup.o)
                                          0x38 (size before relaxing)
- .eh_frame      0x000000000001d4e0       0x18 lib/lib.a(setsid.o)
+ .eh_frame      0x000000000001d5d4       0x18 lib/lib.a(setsid.o)
                                          0x30 (size before relaxing)
- .eh_frame      0x000000000001d4f8       0x20 lib/lib.a(execve.o)
+ .eh_frame      0x000000000001d5ec       0x20 lib/lib.a(execve.o)
                                          0x38 (size before relaxing)
- .eh_frame      0x000000000001d518       0x38 lib/lib.a(wait.o)
+ .eh_frame      0x000000000001d60c       0x38 lib/lib.a(wait.o)
                                          0x50 (size before relaxing)
- .eh_frame      0x000000000001d550      0x2b0 lib/lib.a(string.o)
+ .eh_frame      0x000000000001d644      0x2b0 lib/lib.a(string.o)
                                         0x2c8 (size before relaxing)
- .eh_frame      0x000000000001d800       0x50 lib/lib.a(malloc.o)
+ .eh_frame      0x000000000001d8f4       0x50 lib/lib.a(malloc.o)
                                          0x68 (size before relaxing)
 
 .gcc_except_table
@@ -620,7 +621,7 @@ LOAD lib/lib.a
 
 .exception_ranges
  *(.exception_ranges .exception_ranges*)
-                0x000000000001d850                . = .
+                0x000000000001d944                . = .
 
 .eh_frame
  *(.eh_frame)
@@ -638,22 +639,22 @@ LOAD lib/lib.a
  *(.tbss .tbss.* .gnu.linkonce.tb.*)
  *(.tcommon)
 
-.preinit_array  0x000000000001d850        0x0
-                0x000000000001d850                PROVIDE (__preinit_array_start, .)
+.preinit_array  0x000000000001d944        0x0
+                0x000000000001d944                PROVIDE (__preinit_array_start, .)
  *(.preinit_array)
-                0x000000000001d850                PROVIDE (__preinit_array_end, .)
+                0x000000000001d944                PROVIDE (__preinit_array_end, .)
 
-.init_array     0x000000000001d850        0x0
-                0x000000000001d850                PROVIDE (__init_array_start, .)
+.init_array     0x000000000001d944        0x0
+                0x000000000001d944                PROVIDE (__init_array_start, .)
  *(SORT(.init_array.*) SORT(.ctors.*))
  *(.init_array EXCLUDE_FILE(*crtend?.o *crtend.o *crtbegin?.o *crtbegin.o) .ctors)
-                0x000000000001d850                PROVIDE (__init_array_end, .)
+                0x000000000001d944                PROVIDE (__init_array_end, .)
 
-.fini_array     0x000000000001d850        0x0
-                0x000000000001d850                PROVIDE (__fini_array_start, .)
+.fini_array     0x000000000001d944        0x0
+                0x000000000001d944                PROVIDE (__fini_array_start, .)
  *(SORT(.fini_array.*) SORT(.dtors.*))
  *(.fini_array EXCLUDE_FILE(*crtend?.o *crtend.o *crtbegin?.o *crtbegin.o) .dtors)
-                0x000000000001d850                PROVIDE (__fini_array_end, .)
+                0x000000000001d944                PROVIDE (__fini_array_end, .)
 
 .ctors
  *crtbegin.o(.ctors)
@@ -683,150 +684,152 @@ LOAD lib/lib.a
  *(.got)
  *(.igot)
 
-.got.plt        0x000000000001d850        0x0
+.got.plt        0x000000000001d944        0x0
  *(.got.plt)
  *(.igot.plt)
  .igot.plt      0x0000000000000000        0x0 boot/head.o
 
-.data           0x000000000001d860     0x3b90
+.data           0x000000000001d960     0x3bb0
  *(.data .data.* .gnu.linkonce.d.*)
- .data          0x000000000001d860        0x0 boot/head.o
- .data          0x000000000001d860       0x28 init/main.o
- *fill*         0x000000000001d888       0x18 
- .data          0x000000000001d8a0     0x1330 kernel/kernel.o
-                0x000000000001d8a0                sys_call_table
-                0x000000000001da1c                NR_syscalls
-                0x000000000001ea20                current
-                0x000000000001ea40                task
-                0x000000000001eb40                stack_start
-                0x000000000001eb48                current_DOR
- .data          0x000000000001ebd0        0x0 mm/mm.o
- *fill*         0x000000000001ebd0       0x10 
- .data          0x000000000001ebe0       0x60 fs/fs.o
-                0x000000000001ebe4                start_buffer
- .data          0x000000000001ec40        0x0 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
- .data          0x000000000001ec40       0xcd kernel/blk_drv/blk_drv.a(floppy.o)
- *fill*         0x000000000001ed0d        0x3 
- .data          0x000000000001ed10        0x4 kernel/blk_drv/blk_drv.a(hd.o)
- .data          0x000000000001ed14        0x0 kernel/blk_drv/blk_drv.a(ramdisk.o)
- *fill*         0x000000000001ed14        0xc 
- .data          0x000000000001ed20     0x2538 kernel/chr_drv/chr_drv.a(tty_io.o)
-                0x000000000001ed20                tty_table
-                0x0000000000021240                table_list
- .data          0x0000000000021258        0x1 kernel/chr_drv/chr_drv.a(console.o)
- .data          0x0000000000021259        0x0 kernel/chr_drv/chr_drv.a(keyboard.2.o)
- .data          0x0000000000021259        0x0 kernel/chr_drv/chr_drv.a(serial.o)
- .data          0x0000000000021259        0x0 kernel/chr_drv/chr_drv.a(rs_io.o)
- *fill*         0x0000000000021259        0x7 
- .data          0x0000000000021260       0x20 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
- .data          0x0000000000021280        0x0 kernel/chr_drv/chr_drv.a(mouse.2.o)
- .data          0x0000000000021280        0x0 kernel/math/math.a(math_emulate.o)
- .data          0x0000000000021280      0x101 lib/lib.a(ctype.o)
-                0x0000000000021280                _ctype
- .data          0x0000000000021381        0x0 lib/lib.a(_exit.o)
- .data          0x0000000000021381        0x0 lib/lib.a(open.o)
- .data          0x0000000000021381        0x0 lib/lib.a(close.o)
- .data          0x0000000000021381        0x0 lib/lib.a(errno.o)
- .data          0x0000000000021381        0x0 lib/lib.a(write.o)
- .data          0x0000000000021381        0x0 lib/lib.a(dup.o)
- .data          0x0000000000021381        0x0 lib/lib.a(setsid.o)
- .data          0x0000000000021381        0x0 lib/lib.a(execve.o)
- .data          0x0000000000021381        0x0 lib/lib.a(wait.o)
- .data          0x0000000000021381        0x0 lib/lib.a(string.o)
- *fill*         0x0000000000021381       0x1f 
- .data          0x00000000000213a0       0x50 lib/lib.a(malloc.o)
-                0x00000000000213a0                bucket_dir
+ .data          0x000000000001d960        0x0 boot/head.o
+ .data          0x000000000001d960       0x28 init/main.o
+ *fill*         0x000000000001d988       0x18 
+ .data          0x000000000001d9a0     0x1350 kernel/kernel.o
+                0x000000000001d9a0                sys_call_table
+                0x000000000001db20                NR_syscalls
+                0x000000000001eb40                current
+                0x000000000001eb60                task
+                0x000000000001ec60                stack_start
+                0x000000000001ec68                current_DOR
+ .data          0x000000000001ecf0        0x0 mm/mm.o
+ *fill*         0x000000000001ecf0       0x10 
+ .data          0x000000000001ed00       0x60 fs/fs.o
+                0x000000000001ed04                start_buffer
+ .data          0x000000000001ed60        0x0 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+ .data          0x000000000001ed60       0xcd kernel/blk_drv/blk_drv.a(floppy.o)
+ *fill*         0x000000000001ee2d        0x3 
+ .data          0x000000000001ee30        0x4 kernel/blk_drv/blk_drv.a(hd.o)
+ .data          0x000000000001ee34        0x0 kernel/blk_drv/blk_drv.a(ramdisk.o)
+ *fill*         0x000000000001ee34        0xc 
+ .data          0x000000000001ee40     0x2538 kernel/chr_drv/chr_drv.a(tty_io.o)
+                0x000000000001ee40                tty_table
+                0x0000000000021360                table_list
+ .data          0x0000000000021378        0x1 kernel/chr_drv/chr_drv.a(console.o)
+ .data          0x0000000000021379        0x0 kernel/chr_drv/chr_drv.a(keyboard.2.o)
+ .data          0x0000000000021379        0x0 kernel/chr_drv/chr_drv.a(serial.o)
+ .data          0x0000000000021379        0x0 kernel/chr_drv/chr_drv.a(rs_io.o)
+ *fill*         0x0000000000021379        0x7 
+ .data          0x0000000000021380       0x20 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+ .data          0x00000000000213a0        0x0 kernel/chr_drv/chr_drv.a(mouse.2.o)
+ .data          0x00000000000213a0        0x0 kernel/math/math.a(math_emulate.o)
+ .data          0x00000000000213a0      0x101 lib/lib.a(ctype.o)
+                0x00000000000213a0                _ctype
+ .data          0x00000000000214a1        0x0 lib/lib.a(_exit.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(open.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(close.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(errno.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(write.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(dup.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(setsid.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(execve.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(wait.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(string.o)
+ *fill*         0x00000000000214a1       0x1f 
+ .data          0x00000000000214c0       0x50 lib/lib.a(malloc.o)
+                0x00000000000214c0                bucket_dir
 
 .data1
  *(.data1)
-                0x00000000000213f0                _edata = .
-                0x00000000000213f0                PROVIDE (edata, .)
-                0x00000000000213f0                . = .
-                0x00000000000213f0                __bss_start = .
+                0x0000000000021510                _edata = .
+                0x0000000000021510                PROVIDE (edata, .)
+                0x0000000000021510                . = .
+                0x0000000000021510                __bss_start = .
 
-.bss            0x0000000000021400     0x4510
+.bss            0x0000000000021520     0x64f0
  *(.dynbss)
  *(.bss .bss.* .gnu.linkonce.b.*)
- .bss           0x0000000000021400        0x0 boot/head.o
- .bss           0x0000000000021400      0x40c init/main.o
- *fill*         0x000000000002180c       0x14 
- .bss           0x0000000000021820      0x764 kernel/kernel.o
-                0x0000000000021820                jiffies
-                0x0000000000021824                startup_time
-                0x0000000000021828                last_task_used_math
-                0x0000000000021b64                last_pid
- *fill*         0x0000000000021f84       0x1c 
- .bss           0x0000000000021fa0      0xf20 mm/mm.o
- .bss           0x0000000000022ec0      0x710 fs/fs.o
-                0x0000000000022ec0                inode_table
-                0x00000000000235c0                nr_buffers
-                0x00000000000235cc                ROOT_DEV
- *fill*         0x00000000000235d0       0x10 
- .bss           0x00000000000235e0       0x58 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
-                0x00000000000235e0                wait_for_request
-                0x0000000000023600                blk_dev
- .bss           0x0000000000023638       0x25 kernel/blk_drv/blk_drv.a(floppy.o)
-                0x0000000000023638                do_floppy
-                0x000000000002363c                selected
-                0x0000000000023640                wait_on_floppy_select
- *fill*         0x000000000002365d        0x3 
- .bss           0x0000000000023660       0xb0 kernel/blk_drv/blk_drv.a(hd.o)
-                0x0000000000023660                do_hd
-                0x0000000000023680                hd_info
- .bss           0x0000000000023710        0x4 kernel/blk_drv/blk_drv.a(ramdisk.o)
-                0x0000000000023710                rd_length
- .bss           0x0000000000023714       0x1c kernel/chr_drv/chr_drv.a(tty_io.o)
-                0x0000000000023714                cnt
- *fill*         0x0000000000023730       0x10 
- .bss           0x0000000000023740       0xac kernel/chr_drv/chr_drv.a(console.o)
-                0x0000000000023740                beepcount
- .bss           0x00000000000237ec        0x0 kernel/chr_drv/chr_drv.a(keyboard.2.o)
- .bss           0x00000000000237ec        0x0 kernel/chr_drv/chr_drv.a(serial.o)
- .bss           0x00000000000237ec        0x0 kernel/chr_drv/chr_drv.a(rs_io.o)
- .bss           0x00000000000237ec        0x0 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
- .bss           0x00000000000237ec        0x0 kernel/chr_drv/chr_drv.a(mouse.2.o)
- .bss           0x00000000000237ec        0x0 kernel/math/math.a(math_emulate.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(ctype.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(_exit.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(open.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(close.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(errno.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(write.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(dup.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(setsid.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(execve.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(wait.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(string.o)
- .bss           0x00000000000237ec        0x4 lib/lib.a(malloc.o)
-                0x00000000000237ec                free_bucket_desc
+ .bss           0x0000000000021520        0x0 boot/head.o
+ .bss           0x0000000000021520      0x40c init/main.o
+ *fill*         0x000000000002192c       0x14 
+ .bss           0x0000000000021940      0x768 kernel/kernel.o
+                0x0000000000021940                jiffies
+                0x0000000000021944                startup_time
+                0x0000000000021948                last_task_used_math
+                0x000000000002194c                user_timer_list
+                0x0000000000021c84                last_pid
+                0x00000000000220a0                msg_que_fron
+                0x00000000000220a4                msg_que_rear
+ *fill*         0x00000000000220a8       0x18 
+ .bss           0x00000000000220c0      0xf20 mm/mm.o
+ .bss           0x0000000000022fe0      0x710 fs/fs.o
+                0x0000000000022fe0                inode_table
+                0x00000000000236e0                nr_buffers
+                0x00000000000236ec                ROOT_DEV
+ *fill*         0x00000000000236f0       0x10 
+ .bss           0x0000000000023700       0x58 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+                0x0000000000023700                wait_for_request
+                0x0000000000023720                blk_dev
+ .bss           0x0000000000023758       0x25 kernel/blk_drv/blk_drv.a(floppy.o)
+                0x0000000000023758                do_floppy
+                0x000000000002375c                selected
+                0x0000000000023760                wait_on_floppy_select
+ *fill*         0x000000000002377d        0x3 
+ .bss           0x0000000000023780       0xb0 kernel/blk_drv/blk_drv.a(hd.o)
+                0x0000000000023780                do_hd
+                0x00000000000237a0                hd_info
+ .bss           0x0000000000023830        0x4 kernel/blk_drv/blk_drv.a(ramdisk.o)
+                0x0000000000023830                rd_length
+ .bss           0x0000000000023834       0x14 kernel/chr_drv/chr_drv.a(tty_io.o)
+ *fill*         0x0000000000023848       0x18 
+ .bss           0x0000000000023860       0xac kernel/chr_drv/chr_drv.a(console.o)
+                0x0000000000023860                beepcount
+ .bss           0x000000000002390c        0x0 kernel/chr_drv/chr_drv.a(keyboard.2.o)
+ .bss           0x000000000002390c        0x0 kernel/chr_drv/chr_drv.a(serial.o)
+ .bss           0x000000000002390c        0x0 kernel/chr_drv/chr_drv.a(rs_io.o)
+ .bss           0x000000000002390c        0x0 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+ .bss           0x000000000002390c        0x0 kernel/chr_drv/chr_drv.a(mouse.2.o)
+ .bss           0x000000000002390c        0x0 kernel/math/math.a(math_emulate.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(ctype.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(_exit.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(open.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(close.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(errno.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(write.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(dup.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(setsid.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(execve.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(wait.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(string.o)
+ .bss           0x000000000002390c        0x4 lib/lib.a(malloc.o)
+                0x000000000002390c                free_bucket_desc
  *(COMMON)
- *fill*         0x00000000000237f0       0x10 
- COMMON         0x0000000000023800       0x40 init/main.o
-                0x0000000000023800                headd
-                0x0000000000023820                drive_info
- COMMON         0x0000000000023840     0x1000 kernel/kernel.o
-                0x0000000000023840                user_stack
- COMMON         0x0000000000024840      0xc40 fs/fs.o
-                0x0000000000024840                hash_table
-                0x0000000000024d20                super_block
-                0x0000000000025080                file_table
- COMMON         0x0000000000025480      0x480 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
-                0x0000000000025480                request
- COMMON         0x0000000000025900        0x4 kernel/blk_drv/blk_drv.a(ramdisk.o)
-                0x0000000000025900                rd_start
- COMMON         0x0000000000025904        0x1 lib/lib.a(ctype.o)
-                0x0000000000025904                _ctmp
- *fill*         0x0000000000025905        0x3 
- COMMON         0x0000000000025908        0x4 lib/lib.a(errno.o)
-                0x0000000000025908                errno
- COMMON         0x000000000002590c        0x4 lib/lib.a(string.o)
-                0x000000000002590c                ___strtok
-                0x0000000000025910                . = ALIGN ((. != 0x0)?0x4:0x1)
-                0x0000000000025910                . = ALIGN (0x4)
-                0x0000000000025910                . = SEGMENT_START ("ldata-segment", .)
-                0x0000000000025910                . = ALIGN (0x4)
-                0x0000000000025910                _end = .
-                0x0000000000025910                PROVIDE (end, .)
+ *fill*         0x0000000000023910       0x10 
+ COMMON         0x0000000000023920       0x20 init/main.o
+                0x0000000000023920                drive_info
+ COMMON         0x0000000000023940     0x3000 kernel/kernel.o
+                0x0000000000023940                msg_que
+                0x0000000000025940                user_stack
+ COMMON         0x0000000000026940      0xc40 fs/fs.o
+                0x0000000000026940                hash_table
+                0x0000000000026e20                super_block
+                0x0000000000027180                file_table
+ COMMON         0x0000000000027580      0x480 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+                0x0000000000027580                request
+ COMMON         0x0000000000027a00        0x4 kernel/blk_drv/blk_drv.a(ramdisk.o)
+                0x0000000000027a00                rd_start
+ COMMON         0x0000000000027a04        0x1 lib/lib.a(ctype.o)
+                0x0000000000027a04                _ctmp
+ *fill*         0x0000000000027a05        0x3 
+ COMMON         0x0000000000027a08        0x4 lib/lib.a(errno.o)
+                0x0000000000027a08                errno
+ COMMON         0x0000000000027a0c        0x4 lib/lib.a(string.o)
+                0x0000000000027a0c                ___strtok
+                0x0000000000027a10                . = ALIGN ((. != 0x0)?0x4:0x1)
+                0x0000000000027a10                . = ALIGN (0x4)
+                0x0000000000027a10                . = SEGMENT_START ("ldata-segment", .)
+                0x0000000000027a10                . = ALIGN (0x4)
+                0x0000000000027a10                _end = .
+                0x0000000000027a10                PROVIDE (end, .)
 
 .stab
  *(.stab)
@@ -850,7 +853,7 @@ LOAD lib/lib.a
  *(.comment)
  .comment       0x0000000000000000       0x29 init/main.o
                                          0x2a (size before relaxing)
- .comment       0x0000000000000000      0x1ce kernel/kernel.o
+ .comment       0x0000000000000000      0x1f8 kernel/kernel.o
  .comment       0x0000000000000000       0x2a mm/mm.o
  .comment       0x0000000000000000      0x31e fs/fs.o
  .comment       0x0000000000000000       0x2a kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
@@ -887,201 +890,201 @@ LOAD lib/lib.a
 .debug_sfnames
  *(.debug_sfnames)
 
-.debug_aranges  0x0000000000000000      0x688
+.debug_aranges  0x0000000000000000      0x6a8
  *(.debug_aranges)
  .debug_aranges
                 0x0000000000000000       0x20 init/main.o
  .debug_aranges
-                0x0000000000000020      0x160 kernel/kernel.o
+                0x0000000000000020      0x180 kernel/kernel.o
  .debug_aranges
-                0x0000000000000180       0x20 mm/mm.o
+                0x00000000000001a0       0x20 mm/mm.o
  .debug_aranges
-                0x00000000000001a0      0x258 fs/fs.o
+                0x00000000000001c0      0x258 fs/fs.o
  .debug_aranges
-                0x00000000000003f8       0x20 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+                0x0000000000000418       0x20 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
  .debug_aranges
-                0x0000000000000418       0x20 kernel/blk_drv/blk_drv.a(floppy.o)
+                0x0000000000000438       0x20 kernel/blk_drv/blk_drv.a(floppy.o)
  .debug_aranges
-                0x0000000000000438       0x20 kernel/blk_drv/blk_drv.a(hd.o)
+                0x0000000000000458       0x20 kernel/blk_drv/blk_drv.a(hd.o)
  .debug_aranges
-                0x0000000000000458       0x20 kernel/blk_drv/blk_drv.a(ramdisk.o)
+                0x0000000000000478       0x20 kernel/blk_drv/blk_drv.a(ramdisk.o)
  .debug_aranges
-                0x0000000000000478       0x20 kernel/chr_drv/chr_drv.a(tty_io.o)
+                0x0000000000000498       0x20 kernel/chr_drv/chr_drv.a(tty_io.o)
  .debug_aranges
-                0x0000000000000498       0x20 kernel/chr_drv/chr_drv.a(console.o)
+                0x00000000000004b8       0x20 kernel/chr_drv/chr_drv.a(console.o)
  .debug_aranges
-                0x00000000000004b8       0x20 kernel/chr_drv/chr_drv.a(serial.o)
+                0x00000000000004d8       0x20 kernel/chr_drv/chr_drv.a(serial.o)
  .debug_aranges
-                0x00000000000004d8       0x20 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+                0x00000000000004f8       0x20 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
  .debug_aranges
-                0x00000000000004f8       0x20 kernel/math/math.a(math_emulate.o)
+                0x0000000000000518       0x20 kernel/math/math.a(math_emulate.o)
  .debug_aranges
-                0x0000000000000518       0x18 lib/lib.a(ctype.o)
+                0x0000000000000538       0x18 lib/lib.a(ctype.o)
  .debug_aranges
-                0x0000000000000530       0x20 lib/lib.a(_exit.o)
+                0x0000000000000550       0x20 lib/lib.a(_exit.o)
  .debug_aranges
-                0x0000000000000550       0x20 lib/lib.a(open.o)
+                0x0000000000000570       0x20 lib/lib.a(open.o)
  .debug_aranges
-                0x0000000000000570       0x20 lib/lib.a(close.o)
+                0x0000000000000590       0x20 lib/lib.a(close.o)
  .debug_aranges
-                0x0000000000000590       0x18 lib/lib.a(errno.o)
+                0x00000000000005b0       0x18 lib/lib.a(errno.o)
  .debug_aranges
-                0x00000000000005a8       0x20 lib/lib.a(write.o)
+                0x00000000000005c8       0x20 lib/lib.a(write.o)
  .debug_aranges
-                0x00000000000005c8       0x20 lib/lib.a(dup.o)
+                0x00000000000005e8       0x20 lib/lib.a(dup.o)
  .debug_aranges
-                0x00000000000005e8       0x20 lib/lib.a(setsid.o)
+                0x0000000000000608       0x20 lib/lib.a(setsid.o)
  .debug_aranges
-                0x0000000000000608       0x20 lib/lib.a(execve.o)
+                0x0000000000000628       0x20 lib/lib.a(execve.o)
  .debug_aranges
-                0x0000000000000628       0x20 lib/lib.a(wait.o)
+                0x0000000000000648       0x20 lib/lib.a(wait.o)
  .debug_aranges
-                0x0000000000000648       0x20 lib/lib.a(string.o)
+                0x0000000000000668       0x20 lib/lib.a(string.o)
  .debug_aranges
-                0x0000000000000668       0x20 lib/lib.a(malloc.o)
+                0x0000000000000688       0x20 lib/lib.a(malloc.o)
 
 .debug_pubnames
  *(.debug_pubnames)
 
-.debug_info     0x0000000000000000    0x18724
+.debug_info     0x0000000000000000    0x18cb8
  *(.debug_info .gnu.linkonce.wi.*)
- .debug_info    0x0000000000000000      0xbe3 init/main.o
- .debug_info    0x0000000000000be3     0x4edc kernel/kernel.o
- .debug_info    0x0000000000005abf      0xb2b mm/mm.o
- .debug_info    0x00000000000065ea     0xaf3e fs/fs.o
- .debug_info    0x0000000000011528      0x932 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
- .debug_info    0x0000000000011e5a      0xc9f kernel/blk_drv/blk_drv.a(floppy.o)
- .debug_info    0x0000000000012af9      0xd5f kernel/blk_drv/blk_drv.a(hd.o)
- .debug_info    0x0000000000013858      0xad5 kernel/blk_drv/blk_drv.a(ramdisk.o)
- .debug_info    0x000000000001432d      0xc51 kernel/chr_drv/chr_drv.a(tty_io.o)
- .debug_info    0x0000000000014f7e      0xe14 kernel/chr_drv/chr_drv.a(console.o)
- .debug_info    0x0000000000015d92      0x8a4 kernel/chr_drv/chr_drv.a(serial.o)
- .debug_info    0x0000000000016636      0xb8f kernel/chr_drv/chr_drv.a(tty_ioctl.o)
- .debug_info    0x00000000000171c5      0x7b5 kernel/math/math.a(math_emulate.o)
- .debug_info    0x000000000001797a       0x66 lib/lib.a(ctype.o)
- .debug_info    0x00000000000179e0       0x77 lib/lib.a(_exit.o)
- .debug_info    0x0000000000017a57       0xd0 lib/lib.a(open.o)
- .debug_info    0x0000000000017b27       0x97 lib/lib.a(close.o)
- .debug_info    0x0000000000017bbe       0x36 lib/lib.a(errno.o)
- .debug_info    0x0000000000017bf4       0xc9 lib/lib.a(write.o)
- .debug_info    0x0000000000017cbd       0x97 lib/lib.a(dup.o)
- .debug_info    0x0000000000017d54       0x95 lib/lib.a(setsid.o)
- .debug_info    0x0000000000017de9       0xcb lib/lib.a(execve.o)
- .debug_info    0x0000000000017eb4       0xed lib/lib.a(wait.o)
- .debug_info    0x0000000000017fa1      0x55e lib/lib.a(string.o)
- .debug_info    0x00000000000184ff      0x225 lib/lib.a(malloc.o)
-
-.debug_abbrev   0x0000000000000000     0x493a
+ .debug_info    0x0000000000000000      0xb9b init/main.o
+ .debug_info    0x0000000000000b9b     0x5680 kernel/kernel.o
+ .debug_info    0x000000000000621b      0xb2b mm/mm.o
+ .debug_info    0x0000000000006d46     0xaef6 fs/fs.o
+ .debug_info    0x0000000000011c3c      0x932 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+ .debug_info    0x000000000001256e      0xc9f kernel/blk_drv/blk_drv.a(floppy.o)
+ .debug_info    0x000000000001320d      0xd5f kernel/blk_drv/blk_drv.a(hd.o)
+ .debug_info    0x0000000000013f6c      0xad5 kernel/blk_drv/blk_drv.a(ramdisk.o)
+ .debug_info    0x0000000000014a41      0xb71 kernel/chr_drv/chr_drv.a(tty_io.o)
+ .debug_info    0x00000000000155b2      0xdcc kernel/chr_drv/chr_drv.a(console.o)
+ .debug_info    0x000000000001637e      0x85c kernel/chr_drv/chr_drv.a(serial.o)
+ .debug_info    0x0000000000016bda      0xb47 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+ .debug_info    0x0000000000017721      0x7b5 kernel/math/math.a(math_emulate.o)
+ .debug_info    0x0000000000017ed6       0x66 lib/lib.a(ctype.o)
+ .debug_info    0x0000000000017f3c       0x7e lib/lib.a(_exit.o)
+ .debug_info    0x0000000000017fba       0xd7 lib/lib.a(open.o)
+ .debug_info    0x0000000000018091       0x9e lib/lib.a(close.o)
+ .debug_info    0x000000000001812f       0x36 lib/lib.a(errno.o)
+ .debug_info    0x0000000000018165       0xd0 lib/lib.a(write.o)
+ .debug_info    0x0000000000018235       0x9e lib/lib.a(dup.o)
+ .debug_info    0x00000000000182d3       0x9c lib/lib.a(setsid.o)
+ .debug_info    0x000000000001836f       0xd2 lib/lib.a(execve.o)
+ .debug_info    0x0000000000018441       0xf4 lib/lib.a(wait.o)
+ .debug_info    0x0000000000018535      0x55e lib/lib.a(string.o)
+ .debug_info    0x0000000000018a93      0x225 lib/lib.a(malloc.o)
+
+.debug_abbrev   0x0000000000000000     0x4a10
  *(.debug_abbrev)
  .debug_abbrev  0x0000000000000000      0x253 init/main.o
- .debug_abbrev  0x0000000000000253     0x1064 kernel/kernel.o
- .debug_abbrev  0x00000000000012b7      0x20b mm/mm.o
- .debug_abbrev  0x00000000000014c2     0x1c2e fs/fs.o
- .debug_abbrev  0x00000000000030f0      0x169 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
- .debug_abbrev  0x0000000000003259      0x27d kernel/blk_drv/blk_drv.a(floppy.o)
- .debug_abbrev  0x00000000000034d6      0x23c kernel/blk_drv/blk_drv.a(hd.o)
- .debug_abbrev  0x0000000000003712      0x1a8 kernel/blk_drv/blk_drv.a(ramdisk.o)
- .debug_abbrev  0x00000000000038ba      0x2f0 kernel/chr_drv/chr_drv.a(tty_io.o)
- .debug_abbrev  0x0000000000003baa      0x27c kernel/chr_drv/chr_drv.a(console.o)
- .debug_abbrev  0x0000000000003e26      0x186 kernel/chr_drv/chr_drv.a(serial.o)
- .debug_abbrev  0x0000000000003fac      0x19e kernel/chr_drv/chr_drv.a(tty_ioctl.o)
- .debug_abbrev  0x000000000000414a      0x163 kernel/math/math.a(math_emulate.o)
- .debug_abbrev  0x00000000000042ad       0x3e lib/lib.a(ctype.o)
- .debug_abbrev  0x00000000000042eb       0x51 lib/lib.a(_exit.o)
- .debug_abbrev  0x000000000000433c       0x97 lib/lib.a(open.o)
- .debug_abbrev  0x00000000000043d3       0x75 lib/lib.a(close.o)
- .debug_abbrev  0x0000000000004448       0x2c lib/lib.a(errno.o)
- .debug_abbrev  0x0000000000004474       0xa1 lib/lib.a(write.o)
- .debug_abbrev  0x0000000000004515       0x75 lib/lib.a(dup.o)
- .debug_abbrev  0x000000000000458a       0x73 lib/lib.a(setsid.o)
- .debug_abbrev  0x00000000000045fd       0x85 lib/lib.a(execve.o)
- .debug_abbrev  0x0000000000004682       0xb6 lib/lib.a(wait.o)
- .debug_abbrev  0x0000000000004738       0xe9 lib/lib.a(string.o)
- .debug_abbrev  0x0000000000004821      0x119 lib/lib.a(malloc.o)
-
-.debug_line     0x0000000000000000     0x4bf6
+ .debug_abbrev  0x0000000000000253     0x11f5 kernel/kernel.o
+ .debug_abbrev  0x0000000000001448      0x20b mm/mm.o
+ .debug_abbrev  0x0000000000001653     0x1c1d fs/fs.o
+ .debug_abbrev  0x0000000000003270      0x169 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+ .debug_abbrev  0x00000000000033d9      0x27d kernel/blk_drv/blk_drv.a(floppy.o)
+ .debug_abbrev  0x0000000000003656      0x23c kernel/blk_drv/blk_drv.a(hd.o)
+ .debug_abbrev  0x0000000000003892      0x1a8 kernel/blk_drv/blk_drv.a(ramdisk.o)
+ .debug_abbrev  0x0000000000003a3a      0x279 kernel/chr_drv/chr_drv.a(tty_io.o)
+ .debug_abbrev  0x0000000000003cb3      0x26b kernel/chr_drv/chr_drv.a(console.o)
+ .debug_abbrev  0x0000000000003f1e      0x175 kernel/chr_drv/chr_drv.a(serial.o)
+ .debug_abbrev  0x0000000000004093      0x18d kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+ .debug_abbrev  0x0000000000004220      0x163 kernel/math/math.a(math_emulate.o)
+ .debug_abbrev  0x0000000000004383       0x3e lib/lib.a(ctype.o)
+ .debug_abbrev  0x00000000000043c1       0x51 lib/lib.a(_exit.o)
+ .debug_abbrev  0x0000000000004412       0x97 lib/lib.a(open.o)
+ .debug_abbrev  0x00000000000044a9       0x75 lib/lib.a(close.o)
+ .debug_abbrev  0x000000000000451e       0x2c lib/lib.a(errno.o)
+ .debug_abbrev  0x000000000000454a       0xa1 lib/lib.a(write.o)
+ .debug_abbrev  0x00000000000045eb       0x75 lib/lib.a(dup.o)
+ .debug_abbrev  0x0000000000004660       0x73 lib/lib.a(setsid.o)
+ .debug_abbrev  0x00000000000046d3       0x85 lib/lib.a(execve.o)
+ .debug_abbrev  0x0000000000004758       0xb6 lib/lib.a(wait.o)
+ .debug_abbrev  0x000000000000480e       0xe9 lib/lib.a(string.o)
+ .debug_abbrev  0x00000000000048f7      0x119 lib/lib.a(malloc.o)
+
+.debug_line     0x0000000000000000     0x4c66
  *(.debug_line .debug_line.* .debug_line_end)
- .debug_line    0x0000000000000000      0x1fe init/main.o
- .debug_line    0x00000000000001fe      0xfa9 kernel/kernel.o
- .debug_line    0x00000000000011a7      0x276 mm/mm.o
- .debug_line    0x000000000000141d     0x1fa2 fs/fs.o
- .debug_line    0x00000000000033bf      0x197 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
- .debug_line    0x0000000000003556      0x24c kernel/blk_drv/blk_drv.a(floppy.o)
- .debug_line    0x00000000000037a2      0x2bf kernel/blk_drv/blk_drv.a(hd.o)
- .debug_line    0x0000000000003a61      0x160 kernel/blk_drv/blk_drv.a(ramdisk.o)
- .debug_line    0x0000000000003bc1      0x3d4 kernel/chr_drv/chr_drv.a(tty_io.o)
- .debug_line    0x0000000000003f95      0x3b7 kernel/chr_drv/chr_drv.a(console.o)
- .debug_line    0x000000000000434c       0xd9 kernel/chr_drv/chr_drv.a(serial.o)
- .debug_line    0x0000000000004425      0x1db kernel/chr_drv/chr_drv.a(tty_ioctl.o)
- .debug_line    0x0000000000004600       0xe1 kernel/math/math.a(math_emulate.o)
- .debug_line    0x00000000000046e1       0x28 lib/lib.a(ctype.o)
- .debug_line    0x0000000000004709       0x39 lib/lib.a(_exit.o)
- .debug_line    0x0000000000004742       0x62 lib/lib.a(open.o)
- .debug_line    0x00000000000047a4       0x5c lib/lib.a(close.o)
- .debug_line    0x0000000000004800       0x28 lib/lib.a(errno.o)
- .debug_line    0x0000000000004828       0x76 lib/lib.a(write.o)
- .debug_line    0x000000000000489e       0x5a lib/lib.a(dup.o)
- .debug_line    0x00000000000048f8       0x77 lib/lib.a(setsid.o)
- .debug_line    0x000000000000496f       0x5d lib/lib.a(execve.o)
- .debug_line    0x00000000000049cc       0x7a lib/lib.a(wait.o)
- .debug_line    0x0000000000004a46       0xc6 lib/lib.a(string.o)
- .debug_line    0x0000000000004b0c       0xea lib/lib.a(malloc.o)
+ .debug_line    0x0000000000000000      0x1f5 init/main.o
+ .debug_line    0x00000000000001f5     0x1083 kernel/kernel.o
+ .debug_line    0x0000000000001278      0x276 mm/mm.o
+ .debug_line    0x00000000000014ee     0x1fa2 fs/fs.o
+ .debug_line    0x0000000000003490      0x197 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+ .debug_line    0x0000000000003627      0x24c kernel/blk_drv/blk_drv.a(floppy.o)
+ .debug_line    0x0000000000003873      0x2bf kernel/blk_drv/blk_drv.a(hd.o)
+ .debug_line    0x0000000000003b32      0x160 kernel/blk_drv/blk_drv.a(ramdisk.o)
+ .debug_line    0x0000000000003c92      0x373 kernel/chr_drv/chr_drv.a(tty_io.o)
+ .debug_line    0x0000000000004005      0x3b7 kernel/chr_drv/chr_drv.a(console.o)
+ .debug_line    0x00000000000043bc       0xd9 kernel/chr_drv/chr_drv.a(serial.o)
+ .debug_line    0x0000000000004495      0x1db kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+ .debug_line    0x0000000000004670       0xe1 kernel/math/math.a(math_emulate.o)
+ .debug_line    0x0000000000004751       0x28 lib/lib.a(ctype.o)
+ .debug_line    0x0000000000004779       0x39 lib/lib.a(_exit.o)
+ .debug_line    0x00000000000047b2       0x62 lib/lib.a(open.o)
+ .debug_line    0x0000000000004814       0x5c lib/lib.a(close.o)
+ .debug_line    0x0000000000004870       0x28 lib/lib.a(errno.o)
+ .debug_line    0x0000000000004898       0x76 lib/lib.a(write.o)
+ .debug_line    0x000000000000490e       0x5a lib/lib.a(dup.o)
+ .debug_line    0x0000000000004968       0x77 lib/lib.a(setsid.o)
+ .debug_line    0x00000000000049df       0x5d lib/lib.a(execve.o)
+ .debug_line    0x0000000000004a3c       0x7a lib/lib.a(wait.o)
+ .debug_line    0x0000000000004ab6       0xc6 lib/lib.a(string.o)
+ .debug_line    0x0000000000004b7c       0xea lib/lib.a(malloc.o)
 
 .debug_frame
  *(.debug_frame)
 
-.debug_str      0x0000000000000000     0x22da
+.debug_str      0x0000000000000000     0x22d6
  *(.debug_str)
- .debug_str     0x0000000000000000      0x3cc init/main.o
-                                        0x48a (size before relaxing)
- .debug_str     0x00000000000003cc      0x90b kernel/kernel.o
-                                       0x24af (size before relaxing)
- .debug_str     0x0000000000000cd7      0x18a mm/mm.o
-                                        0x4e5 (size before relaxing)
- .debug_str     0x0000000000000e61      0x9c1 fs/fs.o
-                                       0x4f1a (size before relaxing)
- .debug_str     0x0000000000001822       0xf5 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
-                                        0x496 (size before relaxing)
- .debug_str     0x0000000000001917      0x1cf kernel/blk_drv/blk_drv.a(floppy.o)
-                                        0x678 (size before relaxing)
- .debug_str     0x0000000000001ae6      0x15e kernel/blk_drv/blk_drv.a(hd.o)
-                                        0x5ed (size before relaxing)
- .debug_str     0x0000000000001c44       0x43 kernel/blk_drv/blk_drv.a(ramdisk.o)
-                                        0x58f (size before relaxing)
- .debug_str     0x0000000000001c87      0x1aa kernel/chr_drv/chr_drv.a(tty_io.o)
-                                        0x5a5 (size before relaxing)
- .debug_str     0x0000000000001e31      0x1b9 kernel/chr_drv/chr_drv.a(console.o)
-                                        0x5cf (size before relaxing)
- .debug_str     0x0000000000001fea       0x1a kernel/chr_drv/chr_drv.a(serial.o)
-                                        0x414 (size before relaxing)
- .debug_str     0x0000000000002004       0x8b kernel/chr_drv/chr_drv.a(tty_ioctl.o)
-                                        0x4bf (size before relaxing)
- .debug_str     0x000000000000208f       0x75 kernel/math/math.a(math_emulate.o)
-                                        0x397 (size before relaxing)
- .debug_str     0x0000000000002104       0x92 lib/lib.a(ctype.o)
-                                         0xbb (size before relaxing)
- .debug_str     0x0000000000002196        0x8 lib/lib.a(_exit.o)
-                                         0xe7 (size before relaxing)
+ .debug_str     0x0000000000000000      0x3bd init/main.o
+                                        0x46e (size before relaxing)
+ .debug_str     0x00000000000003bd      0x966 kernel/kernel.o
+                                       0x27de (size before relaxing)
+ .debug_str     0x0000000000000d23      0x181 mm/mm.o
+                                        0x4dc (size before relaxing)
+ .debug_str     0x0000000000000ea4      0x9b8 fs/fs.o
+                                       0x4e5c (size before relaxing)
+ .debug_str     0x000000000000185c       0xec kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+                                        0x48d (size before relaxing)
+ .debug_str     0x0000000000001948      0x1cf kernel/blk_drv/blk_drv.a(floppy.o)
+                                        0x66f (size before relaxing)
+ .debug_str     0x0000000000001b17      0x15e kernel/blk_drv/blk_drv.a(hd.o)
+                                        0x5e4 (size before relaxing)
+ .debug_str     0x0000000000001c75       0x43 kernel/blk_drv/blk_drv.a(ramdisk.o)
+                                        0x586 (size before relaxing)
+ .debug_str     0x0000000000001cb8      0x180 kernel/chr_drv/chr_drv.a(tty_io.o)
+                                        0x568 (size before relaxing)
+ .debug_str     0x0000000000001e38      0x1b9 kernel/chr_drv/chr_drv.a(console.o)
+                                        0x5b3 (size before relaxing)
+ .debug_str     0x0000000000001ff1       0x1a kernel/chr_drv/chr_drv.a(serial.o)
+                                        0x3f8 (size before relaxing)
+ .debug_str     0x000000000000200b       0x8b kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+                                        0x4a3 (size before relaxing)
+ .debug_str     0x0000000000002096       0x6c kernel/math/math.a(math_emulate.o)
+                                        0x38e (size before relaxing)
+ .debug_str     0x0000000000002102       0x89 lib/lib.a(ctype.o)
+                                         0xb2 (size before relaxing)
+ .debug_str     0x000000000000218b        0x8 lib/lib.a(_exit.o)
+                                         0xf0 (size before relaxing)
  .debug_str     0x0000000000000000        0x8 lib/lib.a(open.o)
-                                         0xf7 (size before relaxing)
- .debug_str     0x000000000000219e        0x8 lib/lib.a(close.o)
-                                         0xe9 (size before relaxing)
- .debug_str     0x00000000000021a6        0x8 lib/lib.a(errno.o)
-                                         0x98 (size before relaxing)
+                                        0x100 (size before relaxing)
+ .debug_str     0x0000000000002193        0x8 lib/lib.a(close.o)
+                                         0xf2 (size before relaxing)
+ .debug_str     0x000000000000219b        0x8 lib/lib.a(errno.o)
+                                         0x8f (size before relaxing)
  .debug_str     0x0000000000000000        0x8 lib/lib.a(write.o)
-                                         0xf5 (size before relaxing)
- .debug_str     0x00000000000021ae        0x6 lib/lib.a(dup.o)
-                                         0xe1 (size before relaxing)
- .debug_str     0x00000000000021b4        0x9 lib/lib.a(setsid.o)
-                                         0xf1 (size before relaxing)
- .debug_str     0x00000000000021bd        0x9 lib/lib.a(execve.o)
+                                         0xfe (size before relaxing)
+ .debug_str     0x00000000000021a3        0x6 lib/lib.a(dup.o)
+                                         0xea (size before relaxing)
+ .debug_str     0x00000000000021a9        0x9 lib/lib.a(setsid.o)
                                          0xfa (size before relaxing)
- .debug_str     0x00000000000021c6       0x11 lib/lib.a(wait.o)
-                                        0x107 (size before relaxing)
- .debug_str     0x00000000000021d7       0x93 lib/lib.a(string.o)
-                                        0x14c (size before relaxing)
- .debug_str     0x000000000000226a       0x70 lib/lib.a(malloc.o)
-                                        0x167 (size before relaxing)
+ .debug_str     0x00000000000021b2        0x9 lib/lib.a(execve.o)
+                                        0x103 (size before relaxing)
+ .debug_str     0x00000000000021bb       0x11 lib/lib.a(wait.o)
+                                        0x110 (size before relaxing)
+ .debug_str     0x00000000000021cc       0x93 lib/lib.a(string.o)
+                                        0x143 (size before relaxing)
+ .debug_str     0x000000000000225f       0x77 lib/lib.a(malloc.o)
+                                        0x15e (size before relaxing)
 
 .debug_loc
  *(.debug_loc)
diff --git a/linux-0.11-lab/0/linux/fs/bitmap.o b/linux-0.11-lab/0/linux/fs/bitmap.o
index 3b6d07d..e2ff6c8 100644
Binary files a/linux-0.11-lab/0/linux/fs/bitmap.o and b/linux-0.11-lab/0/linux/fs/bitmap.o differ
diff --git a/linux-0.11-lab/0/linux/fs/block_dev.o b/linux-0.11-lab/0/linux/fs/block_dev.o
index 2b9710f..cdf7331 100644
Binary files a/linux-0.11-lab/0/linux/fs/block_dev.o and b/linux-0.11-lab/0/linux/fs/block_dev.o differ
diff --git a/linux-0.11-lab/0/linux/fs/buffer.o b/linux-0.11-lab/0/linux/fs/buffer.o
index 8d8f78b..fc558af 100644
Binary files a/linux-0.11-lab/0/linux/fs/buffer.o and b/linux-0.11-lab/0/linux/fs/buffer.o differ
diff --git a/linux-0.11-lab/0/linux/fs/char_dev.o b/linux-0.11-lab/0/linux/fs/char_dev.o
index 6130f19..c7f8402 100644
Binary files a/linux-0.11-lab/0/linux/fs/char_dev.o and b/linux-0.11-lab/0/linux/fs/char_dev.o differ
diff --git a/linux-0.11-lab/0/linux/fs/exec.o b/linux-0.11-lab/0/linux/fs/exec.o
index e491f8c..71967ca 100644
Binary files a/linux-0.11-lab/0/linux/fs/exec.o and b/linux-0.11-lab/0/linux/fs/exec.o differ
diff --git a/linux-0.11-lab/0/linux/fs/fcntl.o b/linux-0.11-lab/0/linux/fs/fcntl.o
index 4ff00f5..c82831d 100644
Binary files a/linux-0.11-lab/0/linux/fs/fcntl.o and b/linux-0.11-lab/0/linux/fs/fcntl.o differ
diff --git a/linux-0.11-lab/0/linux/fs/file_dev.o b/linux-0.11-lab/0/linux/fs/file_dev.o
index 98b0e26..0882992 100644
Binary files a/linux-0.11-lab/0/linux/fs/file_dev.o and b/linux-0.11-lab/0/linux/fs/file_dev.o differ
diff --git a/linux-0.11-lab/0/linux/fs/file_table.o b/linux-0.11-lab/0/linux/fs/file_table.o
index 02bca61..e0db34e 100644
Binary files a/linux-0.11-lab/0/linux/fs/file_table.o and b/linux-0.11-lab/0/linux/fs/file_table.o differ
diff --git a/linux-0.11-lab/0/linux/fs/fs.o b/linux-0.11-lab/0/linux/fs/fs.o
index 65e2165..b25b603 100644
Binary files a/linux-0.11-lab/0/linux/fs/fs.o and b/linux-0.11-lab/0/linux/fs/fs.o differ
diff --git a/linux-0.11-lab/0/linux/fs/inode.o b/linux-0.11-lab/0/linux/fs/inode.o
index 843969f..37ed3bd 100644
Binary files a/linux-0.11-lab/0/linux/fs/inode.o and b/linux-0.11-lab/0/linux/fs/inode.o differ
diff --git a/linux-0.11-lab/0/linux/fs/ioctl.o b/linux-0.11-lab/0/linux/fs/ioctl.o
index dd7e2ad..c5a5b15 100644
Binary files a/linux-0.11-lab/0/linux/fs/ioctl.o and b/linux-0.11-lab/0/linux/fs/ioctl.o differ
diff --git a/linux-0.11-lab/0/linux/fs/mysystem_call.o b/linux-0.11-lab/0/linux/fs/mysystem_call.o
index d80fe31..8796801 100644
Binary files a/linux-0.11-lab/0/linux/fs/mysystem_call.o and b/linux-0.11-lab/0/linux/fs/mysystem_call.o differ
diff --git a/linux-0.11-lab/0/linux/fs/namei.o b/linux-0.11-lab/0/linux/fs/namei.o
index fba9691..24adb05 100644
Binary files a/linux-0.11-lab/0/linux/fs/namei.o and b/linux-0.11-lab/0/linux/fs/namei.o differ
diff --git a/linux-0.11-lab/0/linux/fs/open.o b/linux-0.11-lab/0/linux/fs/open.o
index 5856262..23086fd 100644
Binary files a/linux-0.11-lab/0/linux/fs/open.o and b/linux-0.11-lab/0/linux/fs/open.o differ
diff --git a/linux-0.11-lab/0/linux/fs/pipe.o b/linux-0.11-lab/0/linux/fs/pipe.o
index e09aa4c..106606a 100644
Binary files a/linux-0.11-lab/0/linux/fs/pipe.o and b/linux-0.11-lab/0/linux/fs/pipe.o differ
diff --git a/linux-0.11-lab/0/linux/fs/read_write.o b/linux-0.11-lab/0/linux/fs/read_write.o
index 0a151c8..b74e2a0 100644
Binary files a/linux-0.11-lab/0/linux/fs/read_write.o and b/linux-0.11-lab/0/linux/fs/read_write.o differ
diff --git a/linux-0.11-lab/0/linux/fs/select.o b/linux-0.11-lab/0/linux/fs/select.o
index c575487..1bab67f 100644
Binary files a/linux-0.11-lab/0/linux/fs/select.o and b/linux-0.11-lab/0/linux/fs/select.o differ
diff --git a/linux-0.11-lab/0/linux/fs/stat.o b/linux-0.11-lab/0/linux/fs/stat.o
index 6dc14f3..3d976fc 100644
Binary files a/linux-0.11-lab/0/linux/fs/stat.o and b/linux-0.11-lab/0/linux/fs/stat.o differ
diff --git a/linux-0.11-lab/0/linux/fs/super.o b/linux-0.11-lab/0/linux/fs/super.o
index 1e6e626..25ac49b 100644
Binary files a/linux-0.11-lab/0/linux/fs/super.o and b/linux-0.11-lab/0/linux/fs/super.o differ
diff --git a/linux-0.11-lab/0/linux/fs/truncate.o b/linux-0.11-lab/0/linux/fs/truncate.o
index 062d3df..63af350 100644
Binary files a/linux-0.11-lab/0/linux/fs/truncate.o and b/linux-0.11-lab/0/linux/fs/truncate.o differ
diff --git a/linux-0.11-lab/0/linux/include/all.h b/linux-0.11-lab/0/linux/include/all.h
new file mode 100644
index 0000000..251ea6c
--- /dev/null
+++ b/linux-0.11-lab/0/linux/include/all.h
@@ -0,0 +1,35 @@
+#ifndef __ALL_H__
+#define __ALL_H__
+
+
+struct pho {
+    long color;
+    long x;
+    long y;
+    long dx;
+    long dy;
+};
+struct user_timer{
+	long init_jiffies;
+	long jiffies;
+	int type; // 1为一次闹钟
+			  // 0为无数次闹钟
+	int pid; // 哪个进程创建的定时器
+	struct user_timer * next;
+};
+struct message{
+    long mid; 
+    long pid; //当前进程为-1
+};
+extern struct message msg_que[1024];
+extern void post_message(int type);
+
+// mid取值
+#define MSG_MOUSE_LEFT_DOWN 1
+#define MSG_MOUSE_RIGHT_DOWN 2
+#define MSG_MOUSE_CENTER_DOWN 3
+#define MSG_USER_TIMER 4
+#define TYPE_USER_TIMER_INFTY 5
+#define TYPE_USER_TIMER_ONCE 6
+
+#endif 
\ No newline at end of file
diff --git a/linux-0.11-lab/0/linux/include/linux/sys.h b/linux-0.11-lab/0/linux/include/linux/sys.h
index ec983c3..e5b5176 100644
--- a/linux-0.11-lab/0/linux/include/linux/sys.h
+++ b/linux-0.11-lab/0/linux/include/linux/sys.h
@@ -99,6 +99,7 @@ extern long sys_getcwd();
 extern int sys_init_graphics();
 extern int sys_get_message();
 extern int sys_repaint();
+extern int sys_timercreate();
 
 fn_ptr sys_call_table[] = { sys_setup, sys_exit, sys_fork, sys_read,
 sys_write, sys_open, sys_close, sys_waitpid, sys_creat, sys_link,
@@ -117,6 +118,7 @@ sys_setrlimit, sys_getrlimit, sys_getrusage, sys_gettimeofday,
 sys_settimeofday, sys_getgroups, sys_setgroups, sys_select, sys_symlink,
 sys_lstat, sys_readlink, sys_uselib, sys_execve2, sys_getdents, sys_something ,sys_sleep, sys_getcwd
 ,sys_init_graphics,sys_get_message,sys_repaint
+,sys_timercreate
 };
 
 /* So we don't have to do any more manual updating.... */
diff --git a/linux-0.11-lab/0/linux/include/linux/tty.h b/linux-0.11-lab/0/linux/include/linux/tty.h
index 7c59f87..9dd0704 100644
--- a/linux-0.11-lab/0/linux/include/linux/tty.h
+++ b/linux-0.11-lab/0/linux/include/linux/tty.h
@@ -56,15 +56,6 @@ extern struct tty_struct tty_table[];
 
 
 
-struct message{
-int mid;
-int pid;
-struct message *next;
-};
-struct message *headd;
-
-
-
 
 
 /*	intr=^C		quit=^|		erase=del	kill=^U
diff --git a/linux-0.11-lab/0/linux/include/unistd.h b/linux-0.11-lab/0/linux/include/unistd.h
index a816d27..7d2f37c 100644
--- a/linux-0.11-lab/0/linux/include/unistd.h
+++ b/linux-0.11-lab/0/linux/include/unistd.h
@@ -1,6 +1,7 @@
 #ifndef _UNISTD_H
 #define _UNISTD_H
 #include<linux/tty.h>
+#include<all.h>
 /* ok, this may be a joke, but I'm working on it */
 #define _POSIX_VERSION 198808L
 
@@ -155,6 +156,7 @@
 #define __NR_init_graphics 92
 #define __NR_get_message 93
 #define __NR_repaint 94
+#define __NR_timercreate 95
 
 #define _syscall0(type,name) \
 type name(void) \
@@ -281,9 +283,6 @@ char* getcwd(char *buf,size_t size);
 int something(void);
 int sleep(unsigned int seconds);
 int execve2(const char *path,char *argv[],char *envp[]);
-int init_graphics(void);
-int get_message(struct message *msg);
-int repaint(int x,int y,int h);
 
 #define __always_inline inline __attribute__((always_inline))
 
diff --git a/linux-0.11-lab/0/linux/init/main.c b/linux-0.11-lab/0/linux/init/main.c
index a491148..2c526ff 100644
--- a/linux-0.11-lab/0/linux/init/main.c
+++ b/linux-0.11-lab/0/linux/init/main.c
@@ -137,7 +137,10 @@ void main(void)		/* This really IS void, no error here. */
 	buffer_init(buffer_memory_end);
 	hd_init();
 	floppy_init();
-	//init_graphics();
+	/*if(init_graphics()<0)
+	printk("error 1\n");*/
+
+
 	sti();
 	move_to_user_mode();
 	if (!fork()) {		/* we count on this going ok */
diff --git a/linux-0.11-lab/0/linux/init/main.o b/linux-0.11-lab/0/linux/init/main.o
index cd93e81..a674bc4 100644
Binary files a/linux-0.11-lab/0/linux/init/main.o and b/linux-0.11-lab/0/linux/init/main.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/Makefile b/linux-0.11-lab/0/linux/kernel/Makefile
index 08649b4..403a2a2 100644
--- a/linux-0.11-lab/0/linux/kernel/Makefile
+++ b/linux-0.11-lab/0/linux/kernel/Makefile
@@ -26,7 +26,7 @@ CPP	=gcc -E -nostdinc -I../include
 
 OBJS  = sched.o system_call.o traps.o asm.o fork.o \
 	panic.o printk.o vsprintf.o sys.o exit.o \
-	signal.o mktime.o init_graphics.o
+	signal.o mktime.o init_graphics.o message.o
 
 kernel.o: $(OBJS)
 	$(LD) -r -o kernel.o $(OBJS)
@@ -67,7 +67,7 @@ sched.s sched.o : sched.c ../include/linux/sched.h ../include/linux/head.h \
   ../include/linux/fs.h ../include/sys/types.h ../include/linux/mm.h \
   ../include/signal.h ../include/linux/kernel.h ../include/linux/sys.h \
   ../include/linux/fdreg.h ../include/asm/system.h ../include/asm/io.h \
-  ../include/asm/segment.h 
+  ../include/asm/segment.h ../include/all.h
 signal.s signal.o : signal.c ../include/linux/sched.h ../include/linux/head.h \
   ../include/linux/fs.h ../include/sys/types.h ../include/linux/mm.h \
   ../include/signal.h ../include/linux/kernel.h ../include/asm/segment.h 
@@ -82,4 +82,6 @@ traps.s traps.o : traps.c ../include/string.h ../include/linux/head.h \
   ../include/asm/system.h ../include/asm/segment.h ../include/asm/io.h 
 vsprintf.s vsprintf.o : vsprintf.c ../include/stdarg.h ../include/string.h 
 init_graphics.s init_graphi.o:init_graphics.c ../include/linux/kernel.h\
-../include/asm/io.h ../include/linux/tty.h
\ No newline at end of file
+../include/asm/io.h ../include/all.h ../include/asm/segment.h 
+message.s message.o:message.c ../include/linux/sched.h\
+../include/asm/segment.h ../include/all.h 
\ No newline at end of file
diff --git a/linux-0.11-lab/0/linux/kernel/blk_drv/blk_drv.a b/linux-0.11-lab/0/linux/kernel/blk_drv/blk_drv.a
index e527723..86085dd 100644
Binary files a/linux-0.11-lab/0/linux/kernel/blk_drv/blk_drv.a and b/linux-0.11-lab/0/linux/kernel/blk_drv/blk_drv.a differ
diff --git a/linux-0.11-lab/0/linux/kernel/blk_drv/floppy.o b/linux-0.11-lab/0/linux/kernel/blk_drv/floppy.o
index b00a291..b4871a5 100644
Binary files a/linux-0.11-lab/0/linux/kernel/blk_drv/floppy.o and b/linux-0.11-lab/0/linux/kernel/blk_drv/floppy.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/blk_drv/hd.o b/linux-0.11-lab/0/linux/kernel/blk_drv/hd.o
index 07deab0..5ac5783 100644
Binary files a/linux-0.11-lab/0/linux/kernel/blk_drv/hd.o and b/linux-0.11-lab/0/linux/kernel/blk_drv/hd.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/blk_drv/ll_rw_blk.o b/linux-0.11-lab/0/linux/kernel/blk_drv/ll_rw_blk.o
index 2e5378b..351cbd6 100644
Binary files a/linux-0.11-lab/0/linux/kernel/blk_drv/ll_rw_blk.o and b/linux-0.11-lab/0/linux/kernel/blk_drv/ll_rw_blk.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/blk_drv/ramdisk.o b/linux-0.11-lab/0/linux/kernel/blk_drv/ramdisk.o
index a544a6a..1abb642 100644
Binary files a/linux-0.11-lab/0/linux/kernel/blk_drv/ramdisk.o and b/linux-0.11-lab/0/linux/kernel/blk_drv/ramdisk.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/chr_drv/Makefile b/linux-0.11-lab/0/linux/kernel/chr_drv/Makefile
index 4a9cbeb..2342f53 100644
--- a/linux-0.11-lab/0/linux/kernel/chr_drv/Makefile
+++ b/linux-0.11-lab/0/linux/kernel/chr_drv/Makefile
@@ -60,7 +60,7 @@ tty_io.s tty_io.o : tty_io.c ../../include/ctype.h ../../include/errno.h \
   ../../include/linux/sched.h ../../include/linux/head.h \
   ../../include/linux/fs.h ../../include/linux/mm.h ../../include/linux/tty.h \
   ../../include/termios.h ../../include/asm/segment.h \
-  ../../include/asm/system.h 
+  ../../include/asm/system.h ../../include/all.h
 tty_ioctl.s tty_ioctl.o : tty_ioctl.c ../../include/errno.h ../../include/termios.h \
   ../../include/linux/sched.h ../../include/linux/head.h \
   ../../include/linux/fs.h ../../include/sys/types.h ../../include/linux/mm.h \
diff --git a/linux-0.11-lab/0/linux/kernel/chr_drv/chr_drv.a b/linux-0.11-lab/0/linux/kernel/chr_drv/chr_drv.a
index 62bd46e..16d121f 100644
Binary files a/linux-0.11-lab/0/linux/kernel/chr_drv/chr_drv.a and b/linux-0.11-lab/0/linux/kernel/chr_drv/chr_drv.a differ
diff --git a/linux-0.11-lab/0/linux/kernel/chr_drv/console.o b/linux-0.11-lab/0/linux/kernel/chr_drv/console.o
index 297a93b..fe2e56c 100644
Binary files a/linux-0.11-lab/0/linux/kernel/chr_drv/console.o and b/linux-0.11-lab/0/linux/kernel/chr_drv/console.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/chr_drv/serial.o b/linux-0.11-lab/0/linux/kernel/chr_drv/serial.o
index 677f05c..0879180 100644
Binary files a/linux-0.11-lab/0/linux/kernel/chr_drv/serial.o and b/linux-0.11-lab/0/linux/kernel/chr_drv/serial.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/chr_drv/tty_io.c b/linux-0.11-lab/0/linux/kernel/chr_drv/tty_io.c
index a9c34bf..c1e2e2c 100644
--- a/linux-0.11-lab/0/linux/kernel/chr_drv/tty_io.c
+++ b/linux-0.11-lab/0/linux/kernel/chr_drv/tty_io.c
@@ -349,7 +349,7 @@ void chr_dev_init(void)
 {
 }
 
-
+#include<all.h>
 #define MSG_MOUSE_CLICK 1
 static unsigned char mouse_input_count = 0; //用来记录是鼠标输入的第几个字节的全局变量
 static unsigned char mouse_left_down; //用来记录鼠标左键是否按下
@@ -359,17 +359,11 @@ static unsigned char mouse_down_move;//用来记录鼠标是否向下移动
 
 static int mouse_x_position; //用来记录鼠标的 x 轴位置
 static int mouse_y_position;//用来记录鼠标的 y 轴位置
-static int  fcreate=0;
-int cnt=0;
+
 extern struct message *headd;
 void readmouse(int mousecode)
 { 
 //printk("1\n");
-if(fcreate==0)
-{
-	fcreate=1;
-cnt=33;
-}
 
 //reset the condition of all mouse
 if(mousecode==0xFA || mouse_input_count>=4 )
@@ -378,10 +372,7 @@ if(mousecode==0xFA || mouse_input_count>=4 )
 return ;
 }
 
-if(cnt!=mousecode)
-{
-cnt=mousecode;
-}
+
 switch(mouse_input_count)
 {
 case 1:
@@ -394,30 +385,38 @@ case 1:
 	mouse_input_count++;
 	if(mouse_left_down==1 && mouse_left_move==0 && mouse_down_move==0)
 	{
-	struct message *msg = malloc(sizeof(struct message));
-	msg -> mid = MSG_MOUSE_CLICK;
-	msg -> pid = -1; 
-	post_message(msg);
+		#ifdef CK_DEBUG
+		printk("[readmouse]MSG_MOUSE_LEFT_DOWN\n");
+		#endif
+		post_message(MSG_MOUSE_LEFT_DOWN);
+	}
+	if (mouse_right_down)
+	{
+		#ifdef CK_DEBUG
+		printk("[readmouse]MSG_MOUSE_RIGHT_DOWN\n");
+		#endif
+		post_message(MSG_MOUSE_RIGHT_DOWN);
 	}
-
 
 	break;
 
 
 case 2:
 	//get the x of mouse
-	if(mouse_left_move) mouse_x_position +=(int)(0xFFFFFF00|mousecode);
-	if(mouse_x_position>100) mouse_x_position=100;
-	if(mouse_x_position<0) mouse_x_position=0;
+	if(mouse_left_move) 
+	mouse_x_position +=(int)(0xFFFFFF00|mousecode);
+	/*if(mouse_x_position>100) mouse_x_position=100;
+	if(mouse_x_position<0) mouse_x_position=0;*/
 	mouse_input_count++;
 	break;
 
 
 case 3:
 	//get the y of mouse
-	if(mouse_down_move) mouse_y_position +=(int)(0xFFFFFF00|mousecode);
-	if(mouse_y_position>100) mouse_y_position=100;
-	if(mouse_y_position<0) mouse_y_position=0;
+	if(mouse_down_move) 
+	mouse_y_position +=(int)(0xFFFFFF00|mousecode);
+	/*if(mouse_y_position>100) mouse_y_position=100;
+	if(mouse_y_position<0) mouse_y_position=0;*/
 	mouse_input_count++;
 	break;
 
@@ -432,25 +431,3 @@ if(mouse_input_count==4)
 }
 //sys_init_graphics();
 }
-
-void post_message(struct message * msg)
-{
-	cli();
-	//printk("mid:%d pid:%d\n",msg->mid,msg->pid);
-	if(headd==NULL&& msg!=NULL)
-	{
-		headd=msg;
-		sti();
-		return ;
-	}
-	struct message *curr=headd;
-	if(msg==NULL)return;
-	while(curr->next!=NULL) 
-	{
-	curr=curr->next;
-	}
-	curr->next=msg;
-	sti();
-	
-return;
-}
diff --git a/linux-0.11-lab/0/linux/kernel/chr_drv/tty_io.o b/linux-0.11-lab/0/linux/kernel/chr_drv/tty_io.o
index 2df1eb1..0f7161e 100644
Binary files a/linux-0.11-lab/0/linux/kernel/chr_drv/tty_io.o and b/linux-0.11-lab/0/linux/kernel/chr_drv/tty_io.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/chr_drv/tty_ioctl.o b/linux-0.11-lab/0/linux/kernel/chr_drv/tty_ioctl.o
index 3938d9c..6d9237d 100644
Binary files a/linux-0.11-lab/0/linux/kernel/chr_drv/tty_ioctl.o and b/linux-0.11-lab/0/linux/kernel/chr_drv/tty_ioctl.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/exit.o b/linux-0.11-lab/0/linux/kernel/exit.o
index 544bfce..cbe7c24 100644
Binary files a/linux-0.11-lab/0/linux/kernel/exit.o and b/linux-0.11-lab/0/linux/kernel/exit.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/fork.o b/linux-0.11-lab/0/linux/kernel/fork.o
index c000fd9..7c91941 100644
Binary files a/linux-0.11-lab/0/linux/kernel/fork.o and b/linux-0.11-lab/0/linux/kernel/fork.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/init_graphics.c b/linux-0.11-lab/0/linux/kernel/init_graphics.c
index ad5a4fe..3bf8734 100644
--- a/linux-0.11-lab/0/linux/kernel/init_graphics.c
+++ b/linux-0.11-lab/0/linux/kernel/init_graphics.c
@@ -1,21 +1,16 @@
 #include <linux/kernel.h>
-#include<asm/io.h>
-#include "linux/tty.h"
-#define memstart 0xA0000
-#define memsize 64000
-#define cursor_side 3
-#define width 320
-#define height 200
-#define barrier_width 10
-struct message *headd;
-static int ff=0;
+#include <asm/io.h>
+#include <all.h>
+#include <asm/segment.h>
+#define vga_graph_memstart 0xA0000
+#define vga_graph_memsize 64000
+#define cursor_side 6
+#define vga_width 320
+#define vga_heignt 200 
+
 int sys_init_graphics()
 {
-int i,j,x,y;
-    char *p=0xA0000;
-    if(ff==0)
-{
-outb(0x05,0x3CE);
+    outb(0x05,0x3CE);
     outb(0x40,0x3CF);/* shift256=1*/
     outb(0x06,0x3CE);
     outb(0x05,0x3CF);/*0101 0xA0000*/
@@ -46,60 +41,31 @@ outb(0x05,0x3CE);
     outb(0x00,0x3D5);/**/
     outb(0x0D,0x3D4);/**/
     outb(0x00,0x3D5);/*Start Address=0xA0000*/
-ff=1;
-}
     
     
 
-    p=memstart;
-    for(i=0;i<memsize;i++) *p++=3;
-//3-blue 4-red 12-purple
-
-    x=50;
-    y=40;
-    for(i=x-cursor_side;i<=x+cursor_side;i++)
-        for(j=y-cursor_side;j<=y+cursor_side;j++){
-            p=(char *) memstart+j*width+i;
-            *p=12;
-        }
+    int i;
+    char * p;
+    p = (char *)vga_graph_memstart;
+    for (i = 0; i < vga_graph_memsize; ++i)
+        *p++ = 3;
 
     return 0;
 }
 
-int sys_get_message(struct message * msg)
+int sys_repaint(struct pho * pho)
 {
-    msg=headd;
-    if(headd->mid!=1)return 0;
-    headd=headd->next;
-    return 0;
-}
-
-int sys_repaint(int x,int y,int h)
-{
-	int i,j,w;
-	char *p;
-	i=x;
-	j=y;
-	p=0xA0000;
-	w=barrier_width;
-	if(i+w>=320 || i<20 ) return 0;
-	if(i==33 || j==33){
-p=0xA0000;
-	for(i=0;i<memsize;i++) *p++=3;
-	return 0;
-	}
-	else if(i==44 || j==44 ){
-p=0xA0000;
-	for(i=0;i<memsize;i++) *p++=4;
-	return 0;
-	}else{
-	for(i=x;i<=x+w;i++){	
-		for(j=y;j<=y+h;j++){
-			p=0xA0000+j*320+i;
-			*p=12;
-		}
-		}
-}
-	
-return 0;
+	int i, j;
+    char * p;
+    long color = get_fs_long(&pho->color);
+    long x = get_fs_long(&pho->x);
+    long y = get_fs_long(&pho->y);
+    long dx = get_fs_long(&pho->dx);
+    long dy = get_fs_long(&pho->dy);
+    for (i = x; i < x+dx; ++i) if (0 <= i && i < vga_width)
+        for (j = y; j < y+dy; ++j) if (0 <= j && j < vga_heignt){
+            p = (char *)vga_graph_memstart + vga_width*j + i;
+            *p = color;
+        }
+    return 0; 
 }
diff --git a/linux-0.11-lab/0/linux/kernel/init_graphics.o b/linux-0.11-lab/0/linux/kernel/init_graphics.o
index 310b37e..47db0da 100644
Binary files a/linux-0.11-lab/0/linux/kernel/init_graphics.o and b/linux-0.11-lab/0/linux/kernel/init_graphics.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/kernel.o b/linux-0.11-lab/0/linux/kernel/kernel.o
index c75c908..72eaeb6 100644
Binary files a/linux-0.11-lab/0/linux/kernel/kernel.o and b/linux-0.11-lab/0/linux/kernel/kernel.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/math/math.a b/linux-0.11-lab/0/linux/kernel/math/math.a
index 2ada7fe..3a0b551 100644
Binary files a/linux-0.11-lab/0/linux/kernel/math/math.a and b/linux-0.11-lab/0/linux/kernel/math/math.a differ
diff --git a/linux-0.11-lab/0/linux/kernel/math/math_emulate.o b/linux-0.11-lab/0/linux/kernel/math/math_emulate.o
index c200cb4..144cd50 100644
Binary files a/linux-0.11-lab/0/linux/kernel/math/math_emulate.o and b/linux-0.11-lab/0/linux/kernel/math/math_emulate.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/message.c b/linux-0.11-lab/0/linux/kernel/message.c
new file mode 100644
index 0000000..87c7456
--- /dev/null
+++ b/linux-0.11-lab/0/linux/kernel/message.c
@@ -0,0 +1,28 @@
+#include<linux/sched.h>
+#include<asm/segment.h>
+#include<all.h>
+struct message msg_que[1024];
+unsigned int msg_que_fron = NULL, msg_que_rear = NULL;
+void post_message(int type){
+    if (msg_que_rear != msg_que_fron - 1) {
+		struct message msg;
+		msg.mid = type;
+		msg.pid = current->pid;
+		msg_que[msg_que_rear] = msg;
+		msg_que_rear = (msg_que_rear + 1) % 1024;
+	}
+}
+int sys_get_message(struct message *msg) {
+    struct message tmp;
+	if(msg_que_rear == msg_que_fron){
+		put_fs_long(-1,&msg->mid);
+		put_fs_long(-1,&msg->pid);
+		return;
+	}
+	
+	tmp = msg_que[msg_que_fron];
+	msg_que[msg_que_fron].mid = 0;
+	msg_que_fron = (msg_que_fron + 1) % 1024;;
+	put_fs_long(tmp.mid,&msg->mid);
+	put_fs_long(current->pid,&msg->pid);
+}
\ No newline at end of file
diff --git a/linux-0.11-lab/0/linux/kernel/message.o b/linux-0.11-lab/0/linux/kernel/message.o
new file mode 100644
index 0000000..7ebd177
Binary files /dev/null and b/linux-0.11-lab/0/linux/kernel/message.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/mktime.o b/linux-0.11-lab/0/linux/kernel/mktime.o
index b0510fc..6bec513 100644
Binary files a/linux-0.11-lab/0/linux/kernel/mktime.o and b/linux-0.11-lab/0/linux/kernel/mktime.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/panic.o b/linux-0.11-lab/0/linux/kernel/panic.o
index 3422c39..8c9e719 100644
Binary files a/linux-0.11-lab/0/linux/kernel/panic.o and b/linux-0.11-lab/0/linux/kernel/panic.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/printk.o b/linux-0.11-lab/0/linux/kernel/printk.o
index 544e847..9955ac0 100644
Binary files a/linux-0.11-lab/0/linux/kernel/printk.o and b/linux-0.11-lab/0/linux/kernel/printk.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/sched.c b/linux-0.11-lab/0/linux/kernel/sched.c
index 15d839b..b799663 100644
--- a/linux-0.11-lab/0/linux/kernel/sched.c
+++ b/linux-0.11-lab/0/linux/kernel/sched.c
@@ -302,11 +302,65 @@ void add_timer(long jiffies, void (*fn)(void))
 	sti();
 }
 
+#include <all.h>
+
+
+struct user_timer * user_timer_list = NULL;
+
+int sys_timercreate(long ms, int type)
+{
+	struct user_timer * timer = malloc(sizeof(struct user_timer));
+	long jiffies = ms / 10;
+	timer->jiffies = timer->init_jiffies = jiffies;
+	timer->pid = current->pid;
+	timer->type = type;
+	timer->next = user_timer_list;
+	user_timer_list = timer;
+	return 0;
+}
+
 void do_timer(long cpl)
 {
 	extern int beepcount;
 	extern void sysbeepstop(void);
 
+	struct user_timer * timer = user_timer_list;
+	struct user_timer * prev = NULL;
+	while(timer != NULL)
+	{
+		if ((--timer->jiffies) <= 0) {
+			post_message(MSG_USER_TIMER);
+			switch(timer->type) {
+			case TYPE_USER_TIMER_INFTY: 
+				timer->jiffies = timer->init_jiffies;
+				prev = timer;
+				timer = timer->next;
+				break;
+			case TYPE_USER_TIMER_ONCE: 
+				if (prev == NULL) {
+					free(timer);
+					timer = NULL;
+					user_timer_list = NULL;
+				}
+				else {
+					prev->next = timer->next;
+					free(timer);
+					timer = prev->next;
+				}
+				break;
+			default:
+				break;
+			}
+		}
+		else
+		{
+			prev = timer;
+			timer = timer->next;
+		}
+	}
+
+
+
 	if (beepcount)
 		if (!--beepcount)
 			sysbeepstop();
diff --git a/linux-0.11-lab/0/linux/kernel/sched.o b/linux-0.11-lab/0/linux/kernel/sched.o
index 24e814b..fb88973 100644
Binary files a/linux-0.11-lab/0/linux/kernel/sched.o and b/linux-0.11-lab/0/linux/kernel/sched.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/signal.o b/linux-0.11-lab/0/linux/kernel/signal.o
index 1a2ae45..e61cc19 100644
Binary files a/linux-0.11-lab/0/linux/kernel/signal.o and b/linux-0.11-lab/0/linux/kernel/signal.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/sys.o b/linux-0.11-lab/0/linux/kernel/sys.o
index 4b02759..3907f49 100644
Binary files a/linux-0.11-lab/0/linux/kernel/sys.o and b/linux-0.11-lab/0/linux/kernel/sys.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/system_call.o b/linux-0.11-lab/0/linux/kernel/system_call.o
index 2264a35..fa80347 100644
Binary files a/linux-0.11-lab/0/linux/kernel/system_call.o and b/linux-0.11-lab/0/linux/kernel/system_call.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/system_call.s b/linux-0.11-lab/0/linux/kernel/system_call.s
index bcedd45..9dab7b8 100644
--- a/linux-0.11-lab/0/linux/kernel/system_call.s
+++ b/linux-0.11-lab/0/linux/kernel/system_call.s
@@ -58,7 +58,7 @@ sa_mask = 4
 sa_flags = 8
 sa_restorer = 12
 
-nr_system_calls = 96  /* 72 the number of system*/
+nr_system_calls =97  /* 72 the number of system*/
 
 /*
  * Ok, I get parallel printer interrupts while using the floppy for some
diff --git a/linux-0.11-lab/0/linux/kernel/traps.o b/linux-0.11-lab/0/linux/kernel/traps.o
index 0732a44..a7a72cc 100644
Binary files a/linux-0.11-lab/0/linux/kernel/traps.o and b/linux-0.11-lab/0/linux/kernel/traps.o differ
diff --git a/linux-0.11-lab/0/linux/kernel/vsprintf.o b/linux-0.11-lab/0/linux/kernel/vsprintf.o
index ed0e0f0..41d1faa 100644
Binary files a/linux-0.11-lab/0/linux/kernel/vsprintf.o and b/linux-0.11-lab/0/linux/kernel/vsprintf.o differ
diff --git a/linux-0.11-lab/0/linux/lib/_exit.o b/linux-0.11-lab/0/linux/lib/_exit.o
index 085583d..22ba23e 100644
Binary files a/linux-0.11-lab/0/linux/lib/_exit.o and b/linux-0.11-lab/0/linux/lib/_exit.o differ
diff --git a/linux-0.11-lab/0/linux/lib/close.o b/linux-0.11-lab/0/linux/lib/close.o
index 9dbcae2..83e3337 100644
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diff --git a/linux-0.11-lab/0/linux/lib/ctype.o b/linux-0.11-lab/0/linux/lib/ctype.o
index 77ce230..0c37eba 100644
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diff --git a/linux-0.11-lab/0/linux/lib/dup.o b/linux-0.11-lab/0/linux/lib/dup.o
index 93234bd..024e88a 100644
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diff --git a/linux-0.11-lab/0/linux/lib/errno.o b/linux-0.11-lab/0/linux/lib/errno.o
index d514d4a..d217c7d 100644
Binary files a/linux-0.11-lab/0/linux/lib/errno.o and b/linux-0.11-lab/0/linux/lib/errno.o differ
diff --git a/linux-0.11-lab/0/linux/lib/execve.o b/linux-0.11-lab/0/linux/lib/execve.o
index 2ce412d..5bc9060 100644
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diff --git a/linux-0.11-lab/0/linux/lib/lib.a b/linux-0.11-lab/0/linux/lib/lib.a
index dd93b7f..c9062ad 100644
Binary files a/linux-0.11-lab/0/linux/lib/lib.a and b/linux-0.11-lab/0/linux/lib/lib.a differ
diff --git a/linux-0.11-lab/0/linux/lib/malloc.o b/linux-0.11-lab/0/linux/lib/malloc.o
index f39314b..9387739 100644
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diff --git a/linux-0.11-lab/0/linux/lib/open.o b/linux-0.11-lab/0/linux/lib/open.o
index fdd96d6..537daa6 100644
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diff --git a/linux-0.11-lab/0/linux/lib/setsid.o b/linux-0.11-lab/0/linux/lib/setsid.o
index 74b996e..0ab2164 100644
Binary files a/linux-0.11-lab/0/linux/lib/setsid.o and b/linux-0.11-lab/0/linux/lib/setsid.o differ
diff --git a/linux-0.11-lab/0/linux/lib/string.o b/linux-0.11-lab/0/linux/lib/string.o
index 940b3bb..1539352 100644
Binary files a/linux-0.11-lab/0/linux/lib/string.o and b/linux-0.11-lab/0/linux/lib/string.o differ
diff --git a/linux-0.11-lab/0/linux/lib/wait.o b/linux-0.11-lab/0/linux/lib/wait.o
index 7c181a6..4b64539 100644
Binary files a/linux-0.11-lab/0/linux/lib/wait.o and b/linux-0.11-lab/0/linux/lib/wait.o differ
diff --git a/linux-0.11-lab/0/linux/lib/write.o b/linux-0.11-lab/0/linux/lib/write.o
index cab3a33..b007292 100644
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diff --git a/linux-0.11-lab/0/linux/mm/memory.o b/linux-0.11-lab/0/linux/mm/memory.o
index 784bb23..80fc8d8 100644
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diff --git a/linux-0.11-lab/0/linux/mm/mm.o b/linux-0.11-lab/0/linux/mm/mm.o
index b7bca81..f194e3a 100644
Binary files a/linux-0.11-lab/0/linux/mm/mm.o and b/linux-0.11-lab/0/linux/mm/mm.o differ
diff --git a/linux-0.11-lab/0/linux/tools/build b/linux-0.11-lab/0/linux/tools/build
index f0349ef..dc426b8 100644
Binary files a/linux-0.11-lab/0/linux/tools/build and b/linux-0.11-lab/0/linux/tools/build differ
diff --git a/linux-0.11-lab/0/linux/tools/system b/linux-0.11-lab/0/linux/tools/system
index 5949a4b..b70d186 100644
Binary files a/linux-0.11-lab/0/linux/tools/system and b/linux-0.11-lab/0/linux/tools/system differ
diff --git a/linux-0.11-lab/b/1.c b/linux-0.11-lab/b/1.c
new file mode 100644
index 0000000..a38f038
--- /dev/null
+++ b/linux-0.11-lab/b/1.c
@@ -0,0 +1,10 @@
+#define __LIBRARY__
+#include<unistd.h>
+#include<all.h>
+_syscall0(int,init_graphics)
+
+int main(void)
+{
+    init_graphics();
+}
+
diff --git a/linux-0.11-lab/b/1.c~ b/linux-0.11-lab/b/1.c~
index c69f802..dba0eb6 100644
--- a/linux-0.11-lab/b/1.c~
+++ b/linux-0.11-lab/b/1.c~
@@ -1,19 +1,10 @@
 #define __LIBRARY__
 #include<unistd.h>
-#include<stdio.h>
-#include<stdlib.h>
-#include<assert.h>
+#include<all.h>
+_syscall0(int,initgraphics)
 
-_syscall1(void ,get_message ,struct message ,* msg)
-
-int main()
+int main(void)
 {
-	struct message *msg;
-	int i;
-	for(i=0;i<10;i++)
-	{
-		get_message(msg);
-		printf("mid:%d pid:%d\n",msg->mid,msg->pid);
-	}
-return 0;
+    initgraphics();
 }
+
diff --git a/linux-0.11-lab/b/2.c b/linux-0.11-lab/b/2.c
new file mode 100644
index 0000000..33e4cc2
--- /dev/null
+++ b/linux-0.11-lab/b/2.c
@@ -0,0 +1,16 @@
+#define __LIBRARY__
+#include<all.h>
+#include<unistd.h>
+_syscall0(int,init_graphics);
+_syscall1(int,repaint,struct pho *,pho);
+int main(void)
+{
+    struct pho my_rect;
+    init_graphics();
+    my_rect.color = 12;
+    my_rect.x = 50;
+    my_rect.y = 50;
+    my_rect.dx = 10;
+    my_rect.dy = 10;
+    repaint(&my_rect);
+}
diff --git a/linux-0.11-lab/b/3.c b/linux-0.11-lab/b/3.c
new file mode 100644
index 0000000..54027a7
--- /dev/null
+++ b/linux-0.11-lab/b/3.c
@@ -0,0 +1,33 @@
+#define __LIBRARY__
+#include <unistd.h>
+#include <stdio.h>
+#include <all.h>
+_syscall1(int,get_message,struct message *,msg);
+_syscall2(int,timercreate,long,ms,int,type);
+
+struct message msg;
+
+int main()
+{
+    timercreate(1000,TYPE_USER_TIMER_INFTY);
+    while(1)
+    {
+        get_message(&msg);
+        /* printf("msg.mid:%d\n", msg.mid); */
+        if (msg.mid > 0)
+        {
+            switch(msg.mid)
+            {
+            case MSG_USER_TIMER:
+                printf("MSG_USER_TIMER\n");
+                break;
+            case MSG_MOUSE_LEFT_DOWN:
+                printf("MSG_MOUSE_LEFT_DOWN\n");
+                break;
+            case MSG_MOUSE_RIGHT_DOWN:
+                printf("MSG_MOUSE_RIGHT_DOWN\n");
+                break;
+            }
+        }
+    }
+}
diff --git a/linux-0.11-lab/b/3.c~ b/linux-0.11-lab/b/3.c~
new file mode 100644
index 0000000..f06fa97
--- /dev/null
+++ b/linux-0.11-lab/b/3.c~
@@ -0,0 +1,33 @@
+#define __LIBRARY__
+#include <unistd.h>
+#include <stdio.h>
+#include <all.h>
+_syscall1(void,get_message,struct message *,msg);
+_syscall2(int,timercreate,long,ms,int,type);
+
+struct message msg;
+
+int main()
+{
+    timercreate(1000,TYPE_USER_TIMER_INFTY);
+    while(1)
+    {
+        get_message(&msg);
+        /* printf("msg.mid:%d\n", msg.mid); */
+        if (msg.mid > 0)
+        {
+            switch(msg.mid)
+            {
+            case MSG_USER_TIMER:
+                printf("MSG_USER_TIMER\n");
+                break;
+            case MSG_MOUSE_LEFT_DOWN:
+                printf("MSG_MOUSE_LEFT_DOWN\n");
+                break;
+            case MSG_MOUSE_RIGHT_DOWN:
+                printf("MSG_MOUSE_RIGHT_DOWN\n");
+                break;
+            }
+        }
+    }
+}
diff --git a/linux-0.11-lab/b/all.h b/linux-0.11-lab/b/all.h
new file mode 100644
index 0000000..817d18f
--- /dev/null
+++ b/linux-0.11-lab/b/all.h
@@ -0,0 +1,35 @@
+#ifndef __ALL_H__
+#define __ALL_H__
+
+
+struct pho {
+    long color;
+    long x;
+    long y;
+    long dx;
+    long dy;
+};
+struct user_timer{
+	long init_jiffies;
+	long jiffies;
+	int type; 
+			
+	int pid;
+	struct user_timer * next;
+};
+struct message{
+    long mid; 
+    long pid;
+} message;
+extern struct message msg_que[1024];
+extern void post_message(int type);
+
+
+#define MSG_MOUSE_LEFT_DOWN 1
+#define MSG_MOUSE_RIGHT_DOWN 2
+#define MSG_MOUSE_CENTER_DOWN 3
+#define MSG_USER_TIMER 4
+#define TYPE_USER_TIMER_INFTY 5
+#define TYPE_USER_TIMER_ONCE 6
+
+#endif 
diff --git a/linux-0.11-lab/b/all.h~ b/linux-0.11-lab/b/all.h~
new file mode 100644
index 0000000..8b043d7
--- /dev/null
+++ b/linux-0.11-lab/b/all.h~
@@ -0,0 +1,35 @@
+#ifndef __ALL_H__
+#define __ALL_H__
+
+
+struct pho {
+    long color;
+    long x;
+    long y;
+    long dx;
+    long dy;
+};
+struct user_timer{
+	long init_jiffies;
+	long jiffies;
+	int type; // 1为一次闹钟
+			  // 0为无数次闹钟
+	int pid; // 哪个进程创建的定时器
+	struct user_timer * next;
+};
+struct message{
+    long mid; 
+    long pid; //当前进程为-1
+} message;
+extern struct message msg_que[1024];
+extern void post_message(int type);
+
+// mid取值
+#define MSG_MOUSE_LEFT_DOWN 1
+#define MSG_MOUSE_RIGHT_DOWN 2
+#define MSG_MOUSE_CENTER_DOWN 3
+#define MSG_USER_TIMER 4
+#define TYPE_USER_TIMER_INFTY 5
+#define TYPE_USER_TIMER_ONCE 6
+
+#endif 
\ No newline at end of file
diff --git a/linux-0.11-lab/b/bird.c b/linux-0.11-lab/b/bird.c
index bc345fa..a53720a 100644
--- a/linux-0.11-lab/b/bird.c
+++ b/linux-0.11-lab/b/bird.c
@@ -1,100 +1,178 @@
 #define __LIBRARY__
 #include<stdio.h>
 #include<unistd.h>
-#include<stdlib.h>
-#include<errno.h>
-#include<time.h>
-#include<linux/tty.h>
-#define vga_graph_memstart 0xA0000
-#define vga_graph_memsize 64000
-#define cursor_side 6
-#define vga_width 320
-#define vga_height 200
+#include<all.h>
 
 #define BIRD_X 120
 #define BIRD_Y 100
 #define BIRD_WIDTH 10
 #define BIRD_HEIGHT 8
-#define MAX 40
-
-char *p;
-int i,j,x_pos,y_pos,k;
-struct message *msg;
-int cnt;
-int bird_y;
-int px[MAX];
-int py[MAX];
-int h[MAX];
-char *pp;
-int ii,jj;
-int nn;
+
+#define MAX_BARRIER 20
+
+#define CLOCK_TRIGGER 400
+#define DROP_PER_TRIGGER 1
+#define UP_PER_CLICK 10
+#define LEFT_PER_TRIGGER 1
+
+#define BIRD_COLOR 12
+#define BARRIER_COLOR 12
+#define BACKGROUND_COLOR 3
+#define GAME_OVER_COLOR 12
+
+#define VAG_WIDTH 320
+#define VGA_HEIGHT 200
+
+#define BARRIER_WIDTH 10
+#define BARRIER_INTERVAL 20
+#define BARRIER_HEIGHT (rand()%(VGA_HEIGHT*3/4))
+
 
 _syscall0(int,init_graphics)
 _syscall1(int,get_message,struct message * ,msg)
-_syscall3(int,repaint,int ,x,int ,y,int ,h)
+_syscall1(int,repaint,struct pho *,pho)
+_syscall2(int,timercreate,long,ms,int,type)
+
+int fron, rear;
+struct pho barrier[MAX_BARRIER];
+int i;
+struct message msg;
+struct pho obj;
+struct pho background0,gameover;
+struct pho bird;
+
+
+int init_all()
+{
+	bird.x = BIRD_X;
+    bird.y = BIRD_Y;
+    bird.dx = BIRD_WIDTH;
+    bird.dy = BIRD_HEIGHT;
+	bird.color = BIRD_COLOR;
+
+	fron = rear = 0;
+
+	background0.color = BACKGROUND_COLOR;
+    background0.x = 0;
+    background0.y = 0;
+    background0.dx = VAG_WIDTH;
+    background0.dy = VGA_HEIGHT;
+
+	gameover.color = GAME_OVER_COLOR;
+    gameover.x = 0;
+    gameover.y = 0;
+    gameover.dx = VAG_WIDTH;
+    gameover.dy = VGA_HEIGHT;
+	return 0;
+}
+
+
+/*paint*/
+int paint_barrier(void) /*paint barrier*/
+{
+    int i;
+    struct pho rect;
+    for (i = fron; i != rear; i = (i+1)%MAX_BARRIER) {
+        rect.color = BARRIER_COLOR;
+        rect.x = barrier[i].x;
+        rect.y = barrier[i].y;
+        rect.dx = barrier[i].dx;
+        rect.dy = barrier[i].dy;
+        if (repaint(&rect) < 0)
+            return -1;
+    }
+    return 0;
+}
+int paint_all()/*all*/
+{
+	if (repaint(&background0) < 0)
+        return -1;
+    if (repaint(&bird) < 0)
+        return -1;
+    if (paint_barrier() < 0)
+        return -1;
+    return 0;
+}
+
+int push_obj(struct pho * obj) {
+    if (rear != (fron + MAX_BARRIER - 1) % MAX_BARRIER) {
+        barrier[rear].x = obj->x;
+        barrier[rear].y = obj->y;
+        barrier[rear].dx = obj->dx;
+        barrier[rear].dy = obj->dy;
+        rear = (rear + 1) % MAX_BARRIER;
+        return 0;
+    }
+    return -1;
+}
+
+int pop_obj(struct pho * obj) {
+    if (rear == fron)
+        return -1;
+    if (obj != NULL) {
+        obj->x = barrier[fron].x;
+        obj->y = barrier[fron].y;
+        obj->dx = barrier[fron].dx;
+        obj->dy = barrier[fron].dy;
+    }
+    fron = (fron + 1) % MAX_BARRIER;
+    return 0;
+}
+
+
+
 int main()
 {
-	x_pos=20;
-	y_pos=20;
-	bird_y=BIRD_Y;
-	init_graphics();
-	px[0]=BIRD_X;
-	py[0]=bird_y;
-	h[0]=BIRD_HEIGHT;
-	cnt=30;
-	for(i=1;i<cnt;i++)
-	{
-		if(i%2==0)	
-		{
-		px[i]=120+20*i;
-		py[i]=0;
-		h[i]=90+i*2;
-		}
+	timercreate(CLOCK_TRIGGER, TYPE_USER_TIMER_INFTY); /* create time */
+    init_graphics(); /*Graphical interface*/
+	
+	if(init_all()!=0)/*initialize*/
+	{printf("bird error 1\n");return -1;}
+	while(1)
+	{	//sleep(1);
+		get_message(&msg);
+		if(msg.mid<0)
+			continue;
+		if(msg.mid==MSG_MOUSE_LEFT_DOWN)
+		{bird.y -= UP_PER_CLICK;}
 		else
-		{
-		px[i]=30+20*i;
-		h[i]=h[i-1]-13*i%17;
-		py[i]=200-1-h[i];
-		}
-	}
-	msg=NULL;
-	nn=50;
-	while(--nn)
-	{
-		repaint(px[0],py[0],h[0]);
-		for(i=1;i<cnt;i++)
-		{
-		px[i]-=20;
-		repaint(px[i],py[i],h[i]);
-		}
-		k=3;
-		while(k>0)
-		{
-			--k;
-			get_message(msg);
-			if(msg!=NULL)py[0]-=10;
-			sleep(2);
-		}
-		sleep(4);
-		for(k=1;k<cnt;k++)
-		{
-			if(k%2==0)
-			if(px[0]+6>px[k] && px[0]+6<px[k]+10 && py[0]<h[k])
-		{
-			repaint(44,44,44);
-			return 0;
-		}else{
-		if(px[0]+6>px[k] && px[0]+6<px[k]+10 && py[0]+6+h[k]>199)
-		{
-				repaint(44,44,44);
-				return 0;
-
-		}
-		}
-
-		}		
+		{bird.y += DROP_PER_TRIGGER;}
+		if(paint_all() != 0)
+		{printf("bird error 2\n");return -1;}
+		for (i = fron; i != rear; i = (i+1)%MAX_BARRIER) /*Determine if the game has failed*/
+                if (barrier[i].x < bird.x+bird.dx && bird.x < barrier[i].x+barrier[i].dx)
+                    if (barrier[i].y < bird.y+bird.dy && bird.y < barrier[i].y+barrier[i].dy)
+                        {
+							repaint(&gameover);
+							return 0;
+						}
+            for (i = fron; i != rear; i = (i+1)%MAX_BARRIER) /* bird is stationary ,need barriers move*/
+                barrier[i].x -= LEFT_PER_TRIGGER;
+            if (fron == rear) /* there is no barriers,add barriers */
+			{ 
+                obj.dx = BARRIER_WIDTH;
+                obj.dy = BARRIER_HEIGHT;
+                obj.x = VAG_WIDTH;
+                obj.y = 0;
+                push_obj(&obj);
+            }
+            else /* add new barriers,delete old barriers */
+			{ 
+                if (barrier[(rear+MAX_BARRIER-1)%MAX_BARRIER].x+barrier[(rear+MAX_BARRIER-1)%MAX_BARRIER].dx+BARRIER_INTERVAL <= VAG_WIDTH) {
+                    obj.dx = BARRIER_WIDTH;
+                    obj.dy = BARRIER_HEIGHT;
+                    obj.x = VAG_WIDTH;
+                    if (barrier[(rear+MAX_BARRIER-1)%MAX_BARRIER].y)
+                        obj.y = 0;
+                    else
+                        obj.y = VGA_HEIGHT - obj.dy;
+                    push_obj(&obj);
+                }
+                if (barrier[fron].x+barrier[fron].dx <= 0)
+                    pop_obj(NULL);
+            }
 	}
-repaint(44,44,44);
+repaint(&gameover);
 return 0;
 }
 
diff --git a/linux-0.11-lab/b/include.tar b/linux-0.11-lab/b/include.tar
deleted file mode 100644
index 05efa40..0000000
Binary files a/linux-0.11-lab/b/include.tar and /dev/null differ
diff --git a/linux-0.11-lab/b/msgtest.c b/linux-0.11-lab/b/msgtest.c
deleted file mode 100644
index c69f802..0000000
--- a/linux-0.11-lab/b/msgtest.c
+++ /dev/null
@@ -1,19 +0,0 @@
-#define __LIBRARY__
-#include<unistd.h>
-#include<stdio.h>
-#include<stdlib.h>
-#include<assert.h>
-
-_syscall1(void ,get_message ,struct message ,* msg)
-
-int main()
-{
-	struct message *msg;
-	int i;
-	for(i=0;i<10;i++)
-	{
-		get_message(msg);
-		printf("mid:%d pid:%d\n",msg->mid,msg->pid);
-	}
-return 0;
-}
diff --git a/linux-0.11-lab/b/sys.h b/linux-0.11-lab/b/sys.h
index ec983c3..e5b5176 100644
--- a/linux-0.11-lab/b/sys.h
+++ b/linux-0.11-lab/b/sys.h
@@ -99,6 +99,7 @@ extern long sys_getcwd();
 extern int sys_init_graphics();
 extern int sys_get_message();
 extern int sys_repaint();
+extern int sys_timercreate();
 
 fn_ptr sys_call_table[] = { sys_setup, sys_exit, sys_fork, sys_read,
 sys_write, sys_open, sys_close, sys_waitpid, sys_creat, sys_link,
@@ -117,6 +118,7 @@ sys_setrlimit, sys_getrlimit, sys_getrusage, sys_gettimeofday,
 sys_settimeofday, sys_getgroups, sys_setgroups, sys_select, sys_symlink,
 sys_lstat, sys_readlink, sys_uselib, sys_execve2, sys_getdents, sys_something ,sys_sleep, sys_getcwd
 ,sys_init_graphics,sys_get_message,sys_repaint
+,sys_timercreate
 };
 
 /* So we don't have to do any more manual updating.... */
diff --git a/linux-0.11-lab/b/test.tar b/linux-0.11-lab/b/test.tar
deleted file mode 100644
index f3351da..0000000
Binary files a/linux-0.11-lab/b/test.tar and /dev/null differ
diff --git a/linux-0.11-lab/b/tty.h b/linux-0.11-lab/b/tty.h
index 7c59f87..9dd0704 100644
--- a/linux-0.11-lab/b/tty.h
+++ b/linux-0.11-lab/b/tty.h
@@ -56,15 +56,6 @@ extern struct tty_struct tty_table[];
 
 
 
-struct message{
-int mid;
-int pid;
-struct message *next;
-};
-struct message *headd;
-
-
-
 
 
 /*	intr=^C		quit=^|		erase=del	kill=^U
diff --git a/linux-0.11-lab/b/unistd.h b/linux-0.11-lab/b/unistd.h
index a816d27..7d2f37c 100644
--- a/linux-0.11-lab/b/unistd.h
+++ b/linux-0.11-lab/b/unistd.h
@@ -1,6 +1,7 @@
 #ifndef _UNISTD_H
 #define _UNISTD_H
 #include<linux/tty.h>
+#include<all.h>
 /* ok, this may be a joke, but I'm working on it */
 #define _POSIX_VERSION 198808L
 
@@ -155,6 +156,7 @@
 #define __NR_init_graphics 92
 #define __NR_get_message 93
 #define __NR_repaint 94
+#define __NR_timercreate 95
 
 #define _syscall0(type,name) \
 type name(void) \
@@ -281,9 +283,6 @@ char* getcwd(char *buf,size_t size);
 int something(void);
 int sleep(unsigned int seconds);
 int execve2(const char *path,char *argv[],char *envp[]);
-int init_graphics(void);
-int get_message(struct message *msg);
-int repaint(int x,int y,int h);
 
 #define __always_inline inline __attribute__((always_inline))
 
diff --git a/linux-0.11-lab/bochsout.txt b/linux-0.11-lab/bochsout.txt
index a267268..a24074f 100644
--- a/linux-0.11-lab/bochsout.txt
+++ b/linux-0.11-lab/bochsout.txt
@@ -31,7 +31,7 @@
 00000000000i[      ]   Sound support: no
 00000000000i[      ]   USB support: no
 00000000000i[      ]   VGA extension support: vbe
-00000000000i[MEM0  ] allocated memory at 0xb591b008. after alignment, vector=0xb591c000
+00000000000i[MEM0  ] allocated memory at 0xb5852008. after alignment, vector=0xb5853000
 00000000000i[MEM0  ] 16.00MB
 00000000000i[MEM0  ] mem block size = 0x00020000, blocks=128
 00000000000i[MEM0  ] rom at 0xfffe0000/131072 ('/usr/local/share/bochs/BIOS-bochs-latest')
@@ -42,7 +42,7 @@
 00000000000i[DEV   ] PIIX3 PCI-to-ISA bridge present at device 1, function 0
 00000000000i[PLUGIN] init_dev of 'cmos' plugin device by virtual method
 00000000000i[CMOS  ] Using local time for initial clock
-00000000000i[CMOS  ] Setting initial clock to: Fri Jul  1 04:51:49 2022 (time0=1656647509)
+00000000000i[CMOS  ] Setting initial clock to: Sun Jul  3 18:58:25 2022 (time0=1656871105)
 00000000000i[PLUGIN] init_dev of 'dma' plugin device by virtual method
 00000000000i[DMA   ] channel 4 used by cascade
 00000000000i[PLUGIN] init_dev of 'pic' plugin device by virtual method
@@ -60,7 +60,7 @@
 00000000000i[FLOPPY] fd0: 'cur/linux/Image' ro=0, h=2,t=80,spt=18
 00000000000i[IMG   ] redolog : Standard Header : magic='Bochs Virtual HD Image', type='Redolog', subtype='Volatile', version = 2.0
 00000000000i[IMG   ] redolog : Specific Header : #entries=512, bitmap size=1, exent size = 4096 disk size = 1474560
-00000000000i[IMG   ] 'vvfat' disk opened: directory is 'b/', redolog is 'b//vvfat.dir.3Ca5jm'
+00000000000i[IMG   ] 'vvfat' disk opened: directory is 'b/', redolog is 'b//vvfat.dir.WB8N6e'
 00000000000i[FLOPPY] fd1: 'vvfat:b/' ro=0, h=2,t=80,spt=18
 00000000000i[FLOPPY] Using boot sequence floppy, none, none
 00000000000i[FLOPPY] Floppy boot signature check is enabled
@@ -185,12 +185,11 @@
 00001647811i[BXVGA ] VBE known Display Interface b0c0
 00001647843i[BXVGA ] VBE known Display Interface b0c5
 00001650768i[VBIOS ] VBE Bios $Id: vbe.c,v 1.64 2011/07/19 18:25:05 vruppert Exp $
-00001869270i[XGUI  ] charmap update. Font is 9 x 16
 00001995333i[BIOS  ] ata0-0: PCHS=512/2/20 translation=none LCHS=512/2/20
+00002706255i[XGUI  ] charmap update. Font is 9 x 16
 00005872240i[BIOS  ] IDE time out
 00051753879i[BIOS  ] Booting from 0000:7c00
-00096790235i[FLOPPY] partial read() on floppy image returns 400/512
-00096956900i[FLOPPY] read() on floppy image returns 0
+00096956900i[FLOPPY] partial read() on floppy image returns 176/512
 00097123565i[FLOPPY] read() on floppy image returns 0
 00097290230i[FLOPPY] read() on floppy image returns 0
 00097456895i[FLOPPY] read() on floppy image returns 0
@@ -308,27 +307,29 @@
 00116129680i[FLOPPY] read() on floppy image returns 0
 00116296345i[FLOPPY] read() on floppy image returns 0
 00116467319i[BIOS  ] int13_harddisk: function 15, unmapped device for ELDL=81
-00227715000i[XGUI  ] Mouse capture on
-00576540000i[      ] cpu loop quit, shutting down simulator
-00576540000i[CPU0  ] CPU is in protected mode (active)
-00576540000i[CPU0  ] CS.mode = 32 bit
-00576540000i[CPU0  ] SS.mode = 32 bit
-00576540000i[CPU0  ] EFER   = 0x00000000
-00576540000i[CPU0  ] | EAX=0001eb04  EBX=00090080  ECX=0001da20  EDX=00000000
-00576540000i[CPU0  ] | ESP=0001e9cc  EBP=0002482c  ESI=000900a0  EDI=00023840
-00576540000i[CPU0  ] | IOPL=0 id vip vif ac vm rf nt of df IF tf sf zf af pf cf
-00576540000i[CPU0  ] | SEG sltr(index|ti|rpl)     base    limit G D
-00576540000i[CPU0  ] |  CS:0008( 0001| 0|  0) 00000000 00ffffff 1 1
-00576540000i[CPU0  ] |  DS:0010( 0002| 0|  0) 00000000 00ffffff 1 1
-00576540000i[CPU0  ] |  SS:0010( 0002| 0|  0) 00000000 00ffffff 1 1
-00576540000i[CPU0  ] |  ES:0010( 0002| 0|  0) 00000000 00ffffff 1 1
-00576540000i[CPU0  ] |  FS:0017( 0002| 1|  3) 00000000 0009ffff 1 1
-00576540000i[CPU0  ] |  GS:0017( 0002| 1|  3) 00000000 0009ffff 1 1
-00576540000i[CPU0  ] | EIP=00006e3e (00006e3e)
-00576540000i[CPU0  ] | CR0=0x8000001b CR2=0x0804253c
-00576540000i[CPU0  ] | CR3=0x00000000 CR4=0x00000000
-00576540000i[CPU0  ] 0x00006e3e>> mov eax, dword ptr ds:[eax] : 8B00
-00576540000i[CMOS  ] Last time is 1656647547 (Fri Jul  1 04:52:27 2022)
-00576540000i[XGUI  ] Exit
-00576540000i[      ] restoring default signal behavior
-00576540000i[SIM   ] quit_sim called with exit code 1
+00466849828i[FLOPPY] controller reset in software
+00474778409i[FLOPPY] io_write: config control register: 0x00
+01161045000i[XGUI  ] Mouse capture on
+04416915000i[      ] cpu loop quit, shutting down simulator
+04416915000i[CPU0  ] CPU is in protected mode (active)
+04416915000i[CPU0  ] CS.mode = 32 bit
+04416915000i[CPU0  ] SS.mode = 32 bit
+04416915000i[CPU0  ] EFER   = 0x00000000
+04416915000i[CPU0  ] | EAX=00fc1000  EBX=00090080  ECX=000055f0  EDX=00000000
+04416915000i[CPU0  ] | ESP=0001eaec  EBP=0002692c  ESI=000900a0  EDI=00023940
+04416915000i[CPU0  ] | IOPL=0 id vip vif ac vm rf nt of df IF tf sf zf AF pf cf
+04416915000i[CPU0  ] | SEG sltr(index|ti|rpl)     base    limit G D
+04416915000i[CPU0  ] |  CS:0008( 0001| 0|  0) 00000000 00ffffff 1 1
+04416915000i[CPU0  ] |  DS:0010( 0002| 0|  0) 00000000 00ffffff 1 1
+04416915000i[CPU0  ] |  SS:0010( 0002| 0|  0) 00000000 00ffffff 1 1
+04416915000i[CPU0  ] |  ES:0010( 0002| 0|  0) 00000000 00ffffff 1 1
+04416915000i[CPU0  ] |  FS:0017( 0002| 1|  3) 00000000 0009ffff 1 1
+04416915000i[CPU0  ] |  GS:0017( 0002| 1|  3) 00000000 0009ffff 1 1
+04416915000i[CPU0  ] | EIP=00006dce (00006dce)
+04416915000i[CPU0  ] | CR0=0x8000001b CR2=0x0805740c
+04416915000i[CPU0  ] | CR3=0x00000000 CR4=0x00000000
+04416915000i[CPU0  ] 0x00006dce>> mov eax, dword ptr ss:[esp+16] : 8B442410
+04416915000i[CMOS  ] Last time is 1656871399 (Sun Jul  3 19:03:19 2022)
+04416915000i[XGUI  ] Exit
+04416915000i[      ] restoring default signal behavior
+04416915000i[SIM   ] quit_sim called with exit code 1
diff --git a/linux-0.11-lab/cur/linux/Image b/linux-0.11-lab/cur/linux/Image
index fc5e064..cb1654e 100644
Binary files a/linux-0.11-lab/cur/linux/Image and b/linux-0.11-lab/cur/linux/Image differ
diff --git a/linux-0.11-lab/cur/linux/System.map b/linux-0.11-lab/cur/linux/System.map
index 03c32e3..9ea110b 100644
--- a/linux-0.11-lab/cur/linux/System.map
+++ b/linux-0.11-lab/cur/linux/System.map
@@ -38,571 +38,574 @@
 0000710a T floppy_on
 00007139 T floppy_off
 00007149 T do_floppy_timer
-00007341 T do_timer
-00007430 T sys_alarm
-000074af T sys_getpid
-000074bb T sys_getppid
-000074c7 T sys_getuid
-000074d6 T sys_geteuid
-000074e6 T sys_getgid
-000074f6 T sys_getegid
-00007505 T sys_nice
-00007530 T sched_init
-000076c0 t bad_sys_call
-000076c8 t reschedule
-000076d4 T system_call
-0000770f t ret_from_sys_call
-00007758 T coprocessor_error
-0000777a T device_not_available
-000077b4 T timer_interrupt
-000077ec T sys_execve
-000077fc T sys_execve2
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+0000d237 T get_hash_table
+0000d2b9 T getblk
+0000d457 T brelse
+0000d4a0 T bread
+0000d525 T bread_page
+0000d647 T breada
+0000d73c T buffer_init
+0000d86b t lock_super
+0000d898 t free_super
+0000d8dd T get_super
+0000d94c T put_super
+0000da1f t read_super
+0000dd62 T sys_umount
+0000dec3 T sys_mount
+0000e034 T mount_root
+0000e242 t get_fs_byte
+0000e250 t put_fs_byte
+0000e268 T block_write
+0000e3ba T block_read
+0000e4e5 t get_fs_byte
+0000e4f3 t put_fs_byte
+0000e50b t rw_ttyx
+0000e553 t rw_tty
+0000e5a3 t rw_ram
+0000e5a9 t rw_mem
+0000e5af t rw_kmem
+0000e5b5 t rw_port
+0000e64f t rw_memory
+0000e725 T rw_char
+0000e78f t get_fs_byte
+0000e79d t put_fs_byte
+0000e7b5 T file_read
+0000e960 T file_write
+0000eb5a t put_fs_byte
+0000eb72 t cp_stat
+0000ec49 T sys_stat
+0000ec93 T sys_lstat
+0000ecae T sys_fstat
+0000ed0b T sys_readlink
+0000ed11 t _get_base
+0000ed43 t get_fs_byte
+0000ed51 t get_fs_long
+0000ed67 t put_fs_byte
+0000ed7f t put_fs_long
+0000ed8b t get_fs
+0000ed9f t get_ds
+0000edb3 t set_fs
+0000edba T sys_uselib
+0000edc0 t create_tables
+0000ef0b t count
+0000ef4a t copy_strings
+0000f106 t change_ldt
+0000f289 T do_execve
+0000fd0b t oom
+0000fd2a T do_execve2
+000108f5 t get_fs_byte
+00010903 t put_fs_byte
+0001091b t put_fs_long
+00010927 T read_pipe
+00010bfc T sys_pipe
+00010dfe t get_fs_byte
+00010e0c t permission
+00010ead t match
+00010f15 t find_entry
+0001136f t get_dir
+0001155c t dir_namei
+000115db T namei
+000116f1 T open_namei
+00011a44 T sys_mknod
+00011c74 T sys_mkdir
+00012025 t empty_dir
+00012203 T sys_rmdir
+0001255b T sys_unlink
+000127fc T sys_symlink
+00012802 T sys_link
+00012a5c T free_block
+00012bce T new_block
+00012d72 T free_inode
+00012ed9 T new_inode
+000130b3 t dupfd
+0001318d T sys_dup2
+000131b4 T sys_dup
+000131cf T sys_fcntl
+0001330e T sys_ioctl
+000133df t free_ind
+0001347e t free_dind
+0001351d T truncate
+00013652 T sys_select
+00013658 t put_fs_byte
+00013670 T sys_getdents
+00013836 T sys_sleep
+00013873 T sys_something
+00013879 T sys_getcwd
+00013a85 t lock_buffer
+00013ab2 t unlock_buffer
+00013ca4 t make_request
+00013e48 T ll_rw_block
+00013ea1 T blk_dev_init
+00013eef t unlock_buffer
+00013f24 t end_request
+00013fd5 T floppy_deselect
+0001400c T floppy_change
+00014092 t setup_DMA
+00014148 t output_byte
+000141be t result
+0001427b t bad_flp_intr
+000142da t rw_interrupt
+000143c9 T setup_rw_floppy
+0001448a t seek_interrupt
+000144e3 t transfer
+00014618 t recal_interrupt
+00014662 T unexpected_floppy_interrupt
+000146a7 t recalibrate_floppy
+00014709 t reset_interrupt
+0001474e t reset_floppy
+000147cb t floppy_on_interrupt
+00014836 t do_fd_request
+00014a3a T floppy_init
+00014a8c t unlock_buffer
+00014ac1 t end_request
+00014b60 T sys_setup
+00014f13 t controller_ready
+00014fa7 t hd_out
+00015094 t drive_busy
+000150fa t reset_controller
+00015177 t reset_hd
+0001520f T unexpected_hd_interrupt
+00015222 t bad_rw_intr
+00015260 t read_intr
+00015386 t recal_intr
+000153a0 t do_hd_request
+000156a1 T hd_init
+0001571b t unlock_buffer
+00015750 t end_request
+000157ef t do_rd_request
+00015925 T rd_init
+0001597b T rd_load
+00015c27 t get_fs_byte
+00015c35 t put_fs_byte
+00015c4d T tty_init
+00015c5e T tty_intr
+00015cd2 t sleep_if_empty
+00015d0a t sleep_if_full
+00015d7e T copy_to_cooked
+00016339 T tty_read
+000166a7 T tty_write
+000168b9 T do_tty_interrupt
+000168e1 T chr_dev_init
+000168e2 T readmouse
+00016a21 t gotoxy
+00016a6f t set_origin
+00016ad5 t scrup
+00016cc5 t scrdown
+00016dbc t lf
+00016df2 t ri
+00016e28 t cr
+00016e49 t del
+00016e7b t csi_J
+00016f0c t csi_K
+00016fbe T csi_m
+00017025 t set_cursor
+0001708b t respond
+000170e3 t insert_char
+00017146 t insert_line
+0001718a t delete_char
+000171e8 t delete_line
+0001722c t csi_at
+0001726a t csi_L
+000172a8 t csi_P
+000172e6 t csi_M
+00017324 t save_cur
+00017339 t restore_cur
+00017358 T con_write
+000179e6 T con_init
+00017ccb T sysbeepstop
+00017cf4 t sysbeep
+00017d52 t mode
+00017d53 t leds
+00017d54 t e0
+00017d55 T keyboard_interrupt
+00017d7e t e0_e1
+00017da9 t set_e0
+00017db2 t set_e1
+00017dbb t put_queue
+00017df4 t ctrl
+00017e0c t unctrl
+00017e10 t unalt
+00017e26 t lshift
+00017e2e t unlshift
+00017e36 t rshift
+00017e3e t unrshift
+00017e46 t caps
+00017e68 t set_leds
+00017e7e t uncaps
+00017e86 t scroll
+00017e8f t num
+00017e98 t cursor
+00017eb8 t cur2
+00017ee1 t cur
+00017eed t ok_cur
+00017efb t num_table
+00017f08 t cur_table
+00017f15 t func
+00017f32 t ok_func
+00017f45 t end_func
+00017f46 t func_table
+00017f76 t key_map
+00017fd7 t shift_map
+00018099 t do_self
+00018101 t none
+00018102 t minus
+00018117 t key_table
+00018517 t kb_wait
+00018520 t reboot
+00018532 t die
+00018534 t init
+000185a9 T rs_init
+0001862c T rs_write
+0001867c T rs1_interrupt
+00018684 T rs2_interrupt
+00018689 t rs_int
+000186a0 t rep_int
+000186bd t end
+000186cb t jmp_table
+000186dc t modem_status
+000186e4 t line_status
+000186ec t read_char
+00018773 t get_fs_byte
+00018781 t get_fs_long
+00018797 t put_fs_byte
+000187af t put_fs_long
+000187bb t change_speed
+00018839 t flush
+0001884b t send_break
+0001884c t get_termios
+000188a8 t set_termios
+000188f8 t get_termio
+000189c0 t set_termio
+00018a84 T tty_ioctl
+00018d82 T mouse_interrupt
+00018dce t get_fs_byte
+00018ddc T math_emulate
+00018ebf T math_error
+00018edf T _exit
+00018eef T open
+00018f38 T close
+00018fac T dup
+00018fe3 T setsid
+00019012 T execve
+000190af T strcpy
+000190cb T strncpy
+000190f0 T strcat
+0001911b T strncat
+00019150 T strcmp
+00019177 T strncmp
+000191a5 T strchr
+000191d2 T strrchr
+00019201 T strspn
+0001923e T strcspn
+0001927b T strpbrk
+000192b2 T strstr
+000192eb T strlen
+0001930e T strtok
+00019391 T memcpy
+000193b1 T memmove
+00019405 T memcmp
+0001942f T memchr
+00019467 T memset
+0001948b t init_bucket_desc
+000194f4 T malloc
+00019680 T free_s
+0001d968 d envp_rc
+0001d97c d envp
+0001d9a0 D sys_call_table
+0001db20 D NR_syscalls
+0001db40 d init_task
+0001eb40 D current
+0001eb60 D task
+0001ec60 D stack_start
+0001ec68 D current_DOR
+0001ec80 d thisname.1955
+0001ecc0 d month
+0001ed00 d last_inode.1935
+0001ed04 D start_buffer
+0001ed20 d crw_table
+0001ed40 d ioctl_table
+0001ed60 d floppy_type
+0001ee20 d cur_spec1
+0001ee24 d cur_rate
+0001ee28 d floppy
+0001ee2c d current_track
+0001ee30 d callable.1844
+0001ee40 D tty_table
+00021360 D table_list
+00021380 d quotient
+000213a0 D _ctype
+000214c0 D bucket_dir
+00021510 B __bss_start
+00021510 D _edata
+00021520 b printbuf
+00021920 b memory_end
+00021924 b buffer_memory_end
+00021928 b main_memory_start
+00021940 B jiffies
+00021944 B startup_time
+00021948 B last_task_used_math
+0002194c B user_timer_list
+00021960 b mon_timer
+00021970 b moff_timer
+00021980 b timer_list
+00021c80 b next_timer
+00021c84 B last_pid
+00021ca0 b buf
+000220a0 B msg_que_fron
+000220a4 B msg_que_rear
+000220c0 b HIGH_MEMORY
+000220e0 b mem_map
+00022fe0 B inode_table
+000236e0 B nr_buffers
+000236e4 b free_list
+000236e8 b buffer_wait
+000236ec B ROOT_DEV
+00023720 B blk_dev
+00023758 B do_floppy
+0002375c B selected
+00023764 b recalibrate
+00023768 b reset
+0002376c b seek
+00023770 b reply_buffer
+00023777 b current_drive
+00023778 b sector
+00023779 b head
+0002377a b track
+0002377b b seek_track
+0002377c b command
+00023780 B do_hd
+000237a0 B hd_info
+000237d0 b recalibrate
+000237d4 b reset
+000237d8 b NR_HD
+000237e0 b hd
+00023830 B rd_length
+00023834 b mouse_input_count
+00023835 b mouse_left_down
+00023836 b mouse_right_down
+00023837 b mouse_left_move
+00023838 b mouse_down_move
+0002383c b mouse_x_position
+00023840 b mouse_y_position
+00023844 b cr_flag.1923
+00023860 B beepcount
+00023864 b video_type
+00023868 b video_num_columns
+0002386c b video_size_row
+00023870 b video_num_lines
+00023874 b video_page
+00023878 b video_mem_start
+0002387c b video_mem_end
+00023880 b video_port_reg
+00023882 b video_port_val
+00023884 b video_erase_char
+00023888 b origin
+0002388c b scr_end
+00023890 b pos
+00023894 b x
+00023898 b y
+0002389c b top
+000238a0 b bottom
+000238a4 b state
+000238a8 b npar
+000238c0 b par
+00023900 b ques
+00023904 b saved_x
+00023908 b saved_y
+0002390c B free_bucket_desc
+00023920 B drive_info
+00023940 B msg_que
+00025940 B user_stack
+00026940 B hash_table
+00026e20 B super_block
+00027180 B file_table
+00027580 B request
+00027a00 B rd_start
+00027a04 B _ctmp
+00027a08 B errno
+00027a0c B ___strtok
+00027a10 B end
+00027a10 B _end
diff --git a/linux-0.11-lab/cur/linux/System.map.2 b/linux-0.11-lab/cur/linux/System.map.2
index 6625959..67da62e 100644
--- a/linux-0.11-lab/cur/linux/System.map.2
+++ b/linux-0.11-lab/cur/linux/System.map.2
@@ -35,15 +35,15 @@ lib/lib.a(setsid.o)           init/main.o (setsid)
 lib/lib.a(execve.o)           init/main.o (execve)
 lib/lib.a(wait.o)             init/main.o (wait)
 lib/lib.a(string.o)           fs/fs.o (strcpy)
-lib/lib.a(malloc.o)           fs/fs.o (malloc)
+lib/lib.a(malloc.o)           kernel/kernel.o (malloc)
 
 分配公共符号
 公共符号            大小              文件
 
 errno               0x4               lib/lib.a(errno.o)
-headd               0x4               init/main.o
 hash_table          0x4cc             fs/fs.o
 ___strtok           0x4               lib/lib.a(string.o)
+msg_que             0x2000            kernel/kernel.o
 rd_start            0x4               kernel/blk_drv/blk_drv.a(ramdisk.o)
 request             0x480             kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
 user_stack          0x1000            kernel/kernel.o
@@ -208,7 +208,7 @@ LOAD lib/lib.a
  *(.iplt)
  .iplt          0x0000000000000000        0x0 boot/head.o
 
-.text           0x0000000000000000    0x19747
+.text           0x0000000000000000    0x197f7
  *(.text.unlikely .text.*_unlikely .text.unlikely.*)
  *(.text.exit .text.exit.*)
  *(.text.startup .text.startup.*)
@@ -230,7 +230,7 @@ LOAD lib/lib.a
                 0x000000000000698a                init
                 0x0000000000006c02                print_nr
  *fill*         0x0000000000006c33        0x1 
- .text          0x0000000000006c34     0x3c60 kernel/kernel.o
+ .text          0x0000000000006c34     0x3e00 kernel/kernel.o
                 0x0000000000006c34                show_task
                 0x0000000000006cb9                show_stat
                 0x0000000000006cff                math_state_restore
@@ -244,322 +244,323 @@ LOAD lib/lib.a
                 0x0000000000007139                floppy_off
                 0x0000000000007149                do_floppy_timer
                 0x000000000000721d                add_timer
-                0x0000000000007341                do_timer
-                0x0000000000007430                sys_alarm
-                0x00000000000074af                sys_getpid
-                0x00000000000074bb                sys_getppid
-                0x00000000000074c7                sys_getuid
-                0x00000000000074d6                sys_geteuid
-                0x00000000000074e6                sys_getgid
-                0x00000000000074f6                sys_getegid
-                0x0000000000007505                sys_nice
-                0x0000000000007530                sched_init
-                0x00000000000076d4                system_call
-                0x0000000000007758                coprocessor_error
-                0x000000000000777a                device_not_available
-                0x00000000000077b4                timer_interrupt
-                0x00000000000077ec                sys_execve
-                0x00000000000077fc                sys_execve2
-                0x000000000000780c                sys_fork
-                0x0000000000007824                hd_interrupt
-                0x0000000000007860                floppy_interrupt
-                0x0000000000007896                parallel_interrupt
-                0x0000000000007ab1                do_double_fault
-                0x0000000000007ad4                do_general_protection
-                0x0000000000007af7                do_divide_error
-                0x0000000000007b1a                do_int3
-                0x0000000000007be2                do_nmi
-                0x0000000000007c05                do_debug
-                0x0000000000007c28                do_overflow
-                0x0000000000007c4b                do_bounds
-                0x0000000000007c6e                do_invalid_op
-                0x0000000000007c91                do_device_not_available
-                0x0000000000007cb4                do_coprocessor_segment_overrun
-                0x0000000000007cd7                do_invalid_TSS
-                0x0000000000007cfa                do_segment_not_present
-                0x0000000000007d1d                do_stack_segment
-                0x0000000000007d40                do_coprocessor_error
-                0x0000000000007d74                do_reserved
-                0x0000000000007d97                trap_init
-                0x000000000000807b                divide_error
-                0x00000000000080b0                debug
-                0x00000000000080b7                nmi
-                0x00000000000080be                int3
-                0x00000000000080c5                overflow
-                0x00000000000080cc                bounds
-                0x00000000000080d3                invalid_op
-                0x00000000000080da                coprocessor_segment_overrun
-                0x00000000000080e1                reserved
-                0x00000000000080e8                irq13
-                0x00000000000080fd                double_fault
-                0x0000000000008134                invalid_TSS
-                0x000000000000813b                segment_not_present
-                0x0000000000008142                stack_segment
-                0x0000000000008149                general_protection
-                0x0000000000008182                verify_area
-                0x00000000000081e9                copy_mem
-                0x0000000000008343                copy_process
-                0x00000000000087f0                find_empty_process
-                0x0000000000008884                panic
-                0x00000000000088bf                printk
-                0x0000000000008bdc                vsprintf
-                0x00000000000090a2                sys_ftime
-                0x00000000000090a8                sys_break
-                0x00000000000090ae                sys_ptrace
-                0x00000000000090b4                sys_stty
-                0x00000000000090ba                sys_gtty
-                0x00000000000090c0                sys_rename
-                0x00000000000090c6                sys_prof
-                0x00000000000090cc                sys_setregid
-                0x0000000000009185                sys_setgid
-                0x000000000000921c                sys_acct
-                0x0000000000009222                sys_phys
-                0x0000000000009228                sys_lock
-                0x000000000000922e                sys_mpx
-                0x0000000000009234                sys_ulimit
-                0x000000000000923a                sys_time
-                0x0000000000009296                sys_setreuid
-                0x0000000000009378                sys_setuid
-                0x000000000000940d                sys_stime
-                0x0000000000009463                sys_times
-                0x0000000000009503                sys_brk
-                0x0000000000009545                sys_setpgid
-                0x000000000000961e                sys_getpgrp
-                0x000000000000962a                sys_setsid
-                0x00000000000096a4                sys_getgroups
-                0x00000000000096aa                sys_setgroups
-                0x00000000000096b0                sys_uname
-                0x0000000000009719                sys_sethostname
-                0x000000000000971f                sys_getrlimit
-                0x0000000000009725                sys_setrlimit
-                0x000000000000972b                sys_getrusage
-                0x0000000000009731                sys_gettimeofday
-                0x0000000000009737                sys_settimeofday
-                0x000000000000973d                sys_umask
-                0x00000000000097ae                release
-                0x00000000000098eb                sys_kill
-                0x0000000000009b25                do_exit
-                0x0000000000009d59                sys_exit
-                0x0000000000009d72                sys_waitpid
-                0x0000000000009fca                sys_sgetmask
-                0x0000000000009fd6                sys_ssetmask
-                0x000000000000a002                sys_sigpending
-                0x000000000000a008                sys_sigsuspend
-                0x000000000000a0a1                sys_signal
-                0x000000000000a125                sys_sigaction
-                0x000000000000a22f                do_signal
-                0x000000000000a41b                kernel_mktime
-                0x000000000000a560                sys_init_graphics
-                0x000000000000a733                sys_get_message
-                0x000000000000a75f                sys_repaint
- .text          0x000000000000a894      0xb01 mm/mm.o
-                0x000000000000a8b3                get_free_page
-                0x000000000000a8ef                free_page
-                0x000000000000a95e                free_page_tables
-                0x000000000000aa5d                copy_page_tables
-                0x000000000000abde                put_page
-                0x000000000000acca                un_wp_page
-                0x000000000000ad82                do_wp_page
-                0x000000000000adb4                write_verify
-                0x000000000000ae0d                get_empty_page
-                0x000000000000b093                do_no_page
-                0x000000000000b1f5                mem_init
-                0x000000000000b269                calc_mem
-                0x000000000000b35e                page_fault
- .text          0x000000000000b395     0x8550 fs/fs.o
-                0x000000000000b3ab                sys_ustat
-                0x000000000000b3b1                sys_utime
-                0x000000000000b45e                sys_access
-                0x000000000000b53a                sys_chdir
-                0x000000000000b5ae                sys_chroot
-                0x000000000000b622                sys_chmod
-                0x000000000000b6bc                sys_chown
-                0x000000000000b737                sys_open
-                0x000000000000b9da                sys_creat
-                0x000000000000b9fd                sys_close
-                0x000000000000bacc                sys_lseek
-                0x000000000000bbe3                sys_read
-                0x000000000000bdd6                sys_write
-                0x000000000000bfcf                invalidate_inodes
-                0x000000000000c03e                sync_inodes
-                0x000000000000c481                bmap
-                0x000000000000c4a4                create_block
-                0x000000000000c4c7                iput
-                0x000000000000c636                get_empty_inode
-                0x000000000000c78b                get_pipe_inode
-                0x000000000000c800                iget
-                0x000000000000cbfb                sys_sync
-                0x000000000000cc5e                sync_dev
-                0x000000000000cd57                invalidate_buffers
-                0x000000000000cdc9                check_disk_change
-                0x000000000000d097                get_hash_table
-                0x000000000000d119                getblk
-                0x000000000000d2b7                brelse
-                0x000000000000d300                bread
-                0x000000000000d385                bread_page
-                0x000000000000d4a7                breada
-                0x000000000000d59c                buffer_init
-                0x000000000000d73d                get_super
-                0x000000000000d7ac                put_super
-                0x000000000000dbc2                sys_umount
-                0x000000000000dd23                sys_mount
-                0x000000000000de94                mount_root
-                0x000000000000e0c8                block_write
-                0x000000000000e21a                block_read
-                0x000000000000e585                rw_char
-                0x000000000000e615                file_read
-                0x000000000000e7c0                file_write
-                0x000000000000eaa9                sys_stat
-                0x000000000000eaf3                sys_lstat
-                0x000000000000eb0e                sys_fstat
-                0x000000000000eb6b                sys_readlink
-                0x000000000000ec1a                sys_uselib
-                0x000000000000f0e9                do_execve
-                0x000000000000fb8a                do_execve2
-                0x0000000000010787                read_pipe
-                0x00000000000108dd                write_pipe
-                0x0000000000010a5c                sys_pipe
-                0x000000000001143b                namei
-                0x0000000000011551                open_namei
-                0x00000000000118a4                sys_mknod
-                0x0000000000011ad4                sys_mkdir
-                0x0000000000012063                sys_rmdir
-                0x00000000000123bb                sys_unlink
-                0x000000000001265c                sys_symlink
-                0x0000000000012662                sys_link
-                0x00000000000128bc                free_block
-                0x0000000000012a2e                new_block
-                0x0000000000012bd2                free_inode
-                0x0000000000012d39                new_inode
-                0x0000000000012fed                sys_dup2
-                0x0000000000013014                sys_dup
-                0x000000000001302f                sys_fcntl
-                0x000000000001316e                sys_ioctl
-                0x000000000001337d                truncate
-                0x00000000000134b2                sys_select
-                0x00000000000134d0                sys_getdents
-                0x0000000000013696                sys_sleep
-                0x00000000000136d3                sys_something
-                0x00000000000136d9                sys_getcwd
- .text          0x00000000000138e5      0x46a kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
-                0x0000000000013ca8                ll_rw_block
-                0x0000000000013d01                blk_dev_init
- .text          0x0000000000013d4f      0xb9d kernel/blk_drv/blk_drv.a(floppy.o)
-                0x0000000000013e35                floppy_deselect
-                0x0000000000013e6c                floppy_change
-                0x0000000000014229                setup_rw_floppy
-                0x00000000000144c2                unexpected_floppy_interrupt
-                0x000000000001489a                floppy_init
- .text          0x00000000000148ec      0xc8f kernel/blk_drv/blk_drv.a(hd.o)
-                0x00000000000149c0                sys_setup
-                0x000000000001506f                unexpected_hd_interrupt
-                0x0000000000015501                hd_init
- .text          0x000000000001557b      0x50c kernel/blk_drv/blk_drv.a(ramdisk.o)
-                0x0000000000015785                rd_init
-                0x00000000000157db                rd_load
- .text          0x0000000000015a87      0xeea kernel/chr_drv/chr_drv.a(tty_io.o)
-                0x0000000000015aad                tty_init
-                0x0000000000015abe                tty_intr
-                0x0000000000015bcb                wait_for_keypress
-                0x0000000000015bde                copy_to_cooked
-                0x0000000000016199                tty_read
-                0x0000000000016507                tty_write
-                0x0000000000016719                do_tty_interrupt
-                0x0000000000016741                chr_dev_init
-                0x0000000000016742                readmouse
-                0x0000000000016916                post_message
- .text          0x0000000000016971     0x1331 kernel/chr_drv/chr_drv.a(console.o)
-                0x0000000000016f0e                csi_m
-                0x00000000000172a8                con_write
-                0x0000000000017936                con_init
-                0x0000000000017c1b                sysbeepstop
- .text          0x0000000000017ca2      0x7e2 kernel/chr_drv/chr_drv.a(keyboard.2.o)
-                0x0000000000017ca5                keyboard_interrupt
- .text          0x0000000000018484      0x145 kernel/chr_drv/chr_drv.a(serial.o)
-                0x00000000000184f9                rs_init
-                0x000000000001857c                rs_write
- *fill*         0x00000000000185c9        0x3 
- .text          0x00000000000185cc       0xf7 kernel/chr_drv/chr_drv.a(rs_io.o)
-                0x00000000000185cc                rs1_interrupt
-                0x00000000000185d4                rs2_interrupt
- .text          0x00000000000186c3      0x60f kernel/chr_drv/chr_drv.a(tty_ioctl.o)
-                0x00000000000189d4                tty_ioctl
- .text          0x0000000000018cd2       0x4c kernel/chr_drv/chr_drv.a(mouse.2.o)
-                0x0000000000018cd2                mouse_interrupt
- .text          0x0000000000018d1e      0x111 kernel/math/math.a(math_emulate.o)
-                0x0000000000018d2c                math_emulate
-                0x0000000000018e0f                math_error
- .text          0x0000000000018e2f        0x0 lib/lib.a(ctype.o)
- .text          0x0000000000018e2f       0x10 lib/lib.a(_exit.o)
-                0x0000000000018e2f                _exit
- .text          0x0000000000018e3f       0x49 lib/lib.a(open.o)
-                0x0000000000018e3f                open
- .text          0x0000000000018e88       0x37 lib/lib.a(close.o)
-                0x0000000000018e88                close
- .text          0x0000000000018ebf        0x0 lib/lib.a(errno.o)
- .text          0x0000000000018ebf       0x3d lib/lib.a(write.o)
-                0x0000000000018ebf                write
- .text          0x0000000000018efc       0x37 lib/lib.a(dup.o)
-                0x0000000000018efc                dup
- .text          0x0000000000018f33       0x2f lib/lib.a(setsid.o)
-                0x0000000000018f33                setsid
- .text          0x0000000000018f62       0x3d lib/lib.a(execve.o)
-                0x0000000000018f62                execve
- .text          0x0000000000018f9f       0x60 lib/lib.a(wait.o)
-                0x0000000000018f9f                waitpid
-                0x0000000000018fdc                wait
- .text          0x0000000000018fff      0x3dc lib/lib.a(string.o)
-                0x0000000000018fff                strcpy
-                0x000000000001901b                strncpy
-                0x0000000000019040                strcat
-                0x000000000001906b                strncat
-                0x00000000000190a0                strcmp
-                0x00000000000190c7                strncmp
-                0x00000000000190f5                strchr
-                0x0000000000019122                strrchr
-                0x0000000000019151                strspn
-                0x000000000001918e                strcspn
-                0x00000000000191cb                strpbrk
-                0x0000000000019202                strstr
-                0x000000000001923b                strlen
-                0x000000000001925e                strtok
-                0x00000000000192e1                memcpy
-                0x0000000000019301                memmove
-                0x0000000000019355                memcmp
-                0x000000000001937f                memchr
-                0x00000000000193b7                memset
- .text          0x00000000000193db      0x36c lib/lib.a(malloc.o)
-                0x0000000000019444                malloc
-                0x00000000000195d0                free_s
+                0x0000000000007341                sys_timercreate
+                0x00000000000073c2                do_timer
+                0x00000000000075a5                sys_alarm
+                0x0000000000007624                sys_getpid
+                0x0000000000007630                sys_getppid
+                0x000000000000763c                sys_getuid
+                0x000000000000764b                sys_geteuid
+                0x000000000000765b                sys_getgid
+                0x000000000000766b                sys_getegid
+                0x000000000000767a                sys_nice
+                0x00000000000076a5                sched_init
+                0x0000000000007848                system_call
+                0x00000000000078cc                coprocessor_error
+                0x00000000000078ee                device_not_available
+                0x0000000000007928                timer_interrupt
+                0x0000000000007960                sys_execve
+                0x0000000000007970                sys_execve2
+                0x0000000000007980                sys_fork
+                0x0000000000007998                hd_interrupt
+                0x00000000000079d4                floppy_interrupt
+                0x0000000000007a0a                parallel_interrupt
+                0x0000000000007c25                do_double_fault
+                0x0000000000007c48                do_general_protection
+                0x0000000000007c6b                do_divide_error
+                0x0000000000007c8e                do_int3
+                0x0000000000007d56                do_nmi
+                0x0000000000007d79                do_debug
+                0x0000000000007d9c                do_overflow
+                0x0000000000007dbf                do_bounds
+                0x0000000000007de2                do_invalid_op
+                0x0000000000007e05                do_device_not_available
+                0x0000000000007e28                do_coprocessor_segment_overrun
+                0x0000000000007e4b                do_invalid_TSS
+                0x0000000000007e6e                do_segment_not_present
+                0x0000000000007e91                do_stack_segment
+                0x0000000000007eb4                do_coprocessor_error
+                0x0000000000007ee8                do_reserved
+                0x0000000000007f0b                trap_init
+                0x00000000000081ef                divide_error
+                0x0000000000008224                debug
+                0x000000000000822b                nmi
+                0x0000000000008232                int3
+                0x0000000000008239                overflow
+                0x0000000000008240                bounds
+                0x0000000000008247                invalid_op
+                0x000000000000824e                coprocessor_segment_overrun
+                0x0000000000008255                reserved
+                0x000000000000825c                irq13
+                0x0000000000008271                double_fault
+                0x00000000000082a8                invalid_TSS
+                0x00000000000082af                segment_not_present
+                0x00000000000082b6                stack_segment
+                0x00000000000082bd                general_protection
+                0x00000000000082f6                verify_area
+                0x000000000000835d                copy_mem
+                0x00000000000084b7                copy_process
+                0x0000000000008964                find_empty_process
+                0x00000000000089f8                panic
+                0x0000000000008a33                printk
+                0x0000000000008d50                vsprintf
+                0x0000000000009216                sys_ftime
+                0x000000000000921c                sys_break
+                0x0000000000009222                sys_ptrace
+                0x0000000000009228                sys_stty
+                0x000000000000922e                sys_gtty
+                0x0000000000009234                sys_rename
+                0x000000000000923a                sys_prof
+                0x0000000000009240                sys_setregid
+                0x00000000000092f9                sys_setgid
+                0x0000000000009390                sys_acct
+                0x0000000000009396                sys_phys
+                0x000000000000939c                sys_lock
+                0x00000000000093a2                sys_mpx
+                0x00000000000093a8                sys_ulimit
+                0x00000000000093ae                sys_time
+                0x000000000000940a                sys_setreuid
+                0x00000000000094ec                sys_setuid
+                0x0000000000009581                sys_stime
+                0x00000000000095d7                sys_times
+                0x0000000000009677                sys_brk
+                0x00000000000096b9                sys_setpgid
+                0x0000000000009792                sys_getpgrp
+                0x000000000000979e                sys_setsid
+                0x0000000000009818                sys_getgroups
+                0x000000000000981e                sys_setgroups
+                0x0000000000009824                sys_uname
+                0x000000000000988d                sys_sethostname
+                0x0000000000009893                sys_getrlimit
+                0x0000000000009899                sys_setrlimit
+                0x000000000000989f                sys_getrusage
+                0x00000000000098a5                sys_gettimeofday
+                0x00000000000098ab                sys_settimeofday
+                0x00000000000098b1                sys_umask
+                0x0000000000009922                release
+                0x0000000000009a5f                sys_kill
+                0x0000000000009c99                do_exit
+                0x0000000000009ecd                sys_exit
+                0x0000000000009ee6                sys_waitpid
+                0x000000000000a13e                sys_sgetmask
+                0x000000000000a14a                sys_ssetmask
+                0x000000000000a176                sys_sigpending
+                0x000000000000a17c                sys_sigsuspend
+                0x000000000000a215                sys_signal
+                0x000000000000a299                sys_sigaction
+                0x000000000000a3a3                do_signal
+                0x000000000000a58f                kernel_mktime
+                0x000000000000a6ea                sys_init_graphics
+                0x000000000000a82c                sys_repaint
+                0x000000000000a929                post_message
+                0x000000000000a984                sys_get_message
+ .text          0x000000000000aa34      0xb01 mm/mm.o
+                0x000000000000aa53                get_free_page
+                0x000000000000aa8f                free_page
+                0x000000000000aafe                free_page_tables
+                0x000000000000abfd                copy_page_tables
+                0x000000000000ad7e                put_page
+                0x000000000000ae6a                un_wp_page
+                0x000000000000af22                do_wp_page
+                0x000000000000af54                write_verify
+                0x000000000000afad                get_empty_page
+                0x000000000000b233                do_no_page
+                0x000000000000b395                mem_init
+                0x000000000000b409                calc_mem
+                0x000000000000b4fe                page_fault
+ .text          0x000000000000b535     0x8550 fs/fs.o
+                0x000000000000b54b                sys_ustat
+                0x000000000000b551                sys_utime
+                0x000000000000b5fe                sys_access
+                0x000000000000b6da                sys_chdir
+                0x000000000000b74e                sys_chroot
+                0x000000000000b7c2                sys_chmod
+                0x000000000000b85c                sys_chown
+                0x000000000000b8d7                sys_open
+                0x000000000000bb7a                sys_creat
+                0x000000000000bb9d                sys_close
+                0x000000000000bc6c                sys_lseek
+                0x000000000000bd83                sys_read
+                0x000000000000bf76                sys_write
+                0x000000000000c16f                invalidate_inodes
+                0x000000000000c1de                sync_inodes
+                0x000000000000c621                bmap
+                0x000000000000c644                create_block
+                0x000000000000c667                iput
+                0x000000000000c7d6                get_empty_inode
+                0x000000000000c92b                get_pipe_inode
+                0x000000000000c9a0                iget
+                0x000000000000cd9b                sys_sync
+                0x000000000000cdfe                sync_dev
+                0x000000000000cef7                invalidate_buffers
+                0x000000000000cf69                check_disk_change
+                0x000000000000d237                get_hash_table
+                0x000000000000d2b9                getblk
+                0x000000000000d457                brelse
+                0x000000000000d4a0                bread
+                0x000000000000d525                bread_page
+                0x000000000000d647                breada
+                0x000000000000d73c                buffer_init
+                0x000000000000d8dd                get_super
+                0x000000000000d94c                put_super
+                0x000000000000dd62                sys_umount
+                0x000000000000dec3                sys_mount
+                0x000000000000e034                mount_root
+                0x000000000000e268                block_write
+                0x000000000000e3ba                block_read
+                0x000000000000e725                rw_char
+                0x000000000000e7b5                file_read
+                0x000000000000e960                file_write
+                0x000000000000ec49                sys_stat
+                0x000000000000ec93                sys_lstat
+                0x000000000000ecae                sys_fstat
+                0x000000000000ed0b                sys_readlink
+                0x000000000000edba                sys_uselib
+                0x000000000000f289                do_execve
+                0x000000000000fd2a                do_execve2
+                0x0000000000010927                read_pipe
+                0x0000000000010a7d                write_pipe
+                0x0000000000010bfc                sys_pipe
+                0x00000000000115db                namei
+                0x00000000000116f1                open_namei
+                0x0000000000011a44                sys_mknod
+                0x0000000000011c74                sys_mkdir
+                0x0000000000012203                sys_rmdir
+                0x000000000001255b                sys_unlink
+                0x00000000000127fc                sys_symlink
+                0x0000000000012802                sys_link
+                0x0000000000012a5c                free_block
+                0x0000000000012bce                new_block
+                0x0000000000012d72                free_inode
+                0x0000000000012ed9                new_inode
+                0x000000000001318d                sys_dup2
+                0x00000000000131b4                sys_dup
+                0x00000000000131cf                sys_fcntl
+                0x000000000001330e                sys_ioctl
+                0x000000000001351d                truncate
+                0x0000000000013652                sys_select
+                0x0000000000013670                sys_getdents
+                0x0000000000013836                sys_sleep
+                0x0000000000013873                sys_something
+                0x0000000000013879                sys_getcwd
+ .text          0x0000000000013a85      0x46a kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+                0x0000000000013e48                ll_rw_block
+                0x0000000000013ea1                blk_dev_init
+ .text          0x0000000000013eef      0xb9d kernel/blk_drv/blk_drv.a(floppy.o)
+                0x0000000000013fd5                floppy_deselect
+                0x000000000001400c                floppy_change
+                0x00000000000143c9                setup_rw_floppy
+                0x0000000000014662                unexpected_floppy_interrupt
+                0x0000000000014a3a                floppy_init
+ .text          0x0000000000014a8c      0xc8f kernel/blk_drv/blk_drv.a(hd.o)
+                0x0000000000014b60                sys_setup
+                0x000000000001520f                unexpected_hd_interrupt
+                0x00000000000156a1                hd_init
+ .text          0x000000000001571b      0x50c kernel/blk_drv/blk_drv.a(ramdisk.o)
+                0x0000000000015925                rd_init
+                0x000000000001597b                rd_load
+ .text          0x0000000000015c27      0xdfa kernel/chr_drv/chr_drv.a(tty_io.o)
+                0x0000000000015c4d                tty_init
+                0x0000000000015c5e                tty_intr
+                0x0000000000015d6b                wait_for_keypress
+                0x0000000000015d7e                copy_to_cooked
+                0x0000000000016339                tty_read
+                0x00000000000166a7                tty_write
+                0x00000000000168b9                do_tty_interrupt
+                0x00000000000168e1                chr_dev_init
+                0x00000000000168e2                readmouse
+ .text          0x0000000000016a21     0x1331 kernel/chr_drv/chr_drv.a(console.o)
+                0x0000000000016fbe                csi_m
+                0x0000000000017358                con_write
+                0x00000000000179e6                con_init
+                0x0000000000017ccb                sysbeepstop
+ .text          0x0000000000017d52      0x7e2 kernel/chr_drv/chr_drv.a(keyboard.2.o)
+                0x0000000000017d55                keyboard_interrupt
+ .text          0x0000000000018534      0x145 kernel/chr_drv/chr_drv.a(serial.o)
+                0x00000000000185a9                rs_init
+                0x000000000001862c                rs_write
+ *fill*         0x0000000000018679        0x3 
+ .text          0x000000000001867c       0xf7 kernel/chr_drv/chr_drv.a(rs_io.o)
+                0x000000000001867c                rs1_interrupt
+                0x0000000000018684                rs2_interrupt
+ .text          0x0000000000018773      0x60f kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+                0x0000000000018a84                tty_ioctl
+ .text          0x0000000000018d82       0x4c kernel/chr_drv/chr_drv.a(mouse.2.o)
+                0x0000000000018d82                mouse_interrupt
+ .text          0x0000000000018dce      0x111 kernel/math/math.a(math_emulate.o)
+                0x0000000000018ddc                math_emulate
+                0x0000000000018ebf                math_error
+ .text          0x0000000000018edf        0x0 lib/lib.a(ctype.o)
+ .text          0x0000000000018edf       0x10 lib/lib.a(_exit.o)
+                0x0000000000018edf                _exit
+ .text          0x0000000000018eef       0x49 lib/lib.a(open.o)
+                0x0000000000018eef                open
+ .text          0x0000000000018f38       0x37 lib/lib.a(close.o)
+                0x0000000000018f38                close
+ .text          0x0000000000018f6f        0x0 lib/lib.a(errno.o)
+ .text          0x0000000000018f6f       0x3d lib/lib.a(write.o)
+                0x0000000000018f6f                write
+ .text          0x0000000000018fac       0x37 lib/lib.a(dup.o)
+                0x0000000000018fac                dup
+ .text          0x0000000000018fe3       0x2f lib/lib.a(setsid.o)
+                0x0000000000018fe3                setsid
+ .text          0x0000000000019012       0x3d lib/lib.a(execve.o)
+                0x0000000000019012                execve
+ .text          0x000000000001904f       0x60 lib/lib.a(wait.o)
+                0x000000000001904f                waitpid
+                0x000000000001908c                wait
+ .text          0x00000000000190af      0x3dc lib/lib.a(string.o)
+                0x00000000000190af                strcpy
+                0x00000000000190cb                strncpy
+                0x00000000000190f0                strcat
+                0x000000000001911b                strncat
+                0x0000000000019150                strcmp
+                0x0000000000019177                strncmp
+                0x00000000000191a5                strchr
+                0x00000000000191d2                strrchr
+                0x0000000000019201                strspn
+                0x000000000001923e                strcspn
+                0x000000000001927b                strpbrk
+                0x00000000000192b2                strstr
+                0x00000000000192eb                strlen
+                0x000000000001930e                strtok
+                0x0000000000019391                memcpy
+                0x00000000000193b1                memmove
+                0x0000000000019405                memcmp
+                0x000000000001942f                memchr
+                0x0000000000019467                memset
+ .text          0x000000000001948b      0x36c lib/lib.a(malloc.o)
+                0x00000000000194f4                malloc
+                0x0000000000019680                free_s
  *(.gnu.warning)
 
 .fini
  *(SORT(.fini))
-                0x0000000000019747                PROVIDE (__etext, .)
-                0x0000000000019747                PROVIDE (_etext, .)
-                0x0000000000019747                PROVIDE (etext, .)
+                0x00000000000197f7                PROVIDE (__etext, .)
+                0x00000000000197f7                PROVIDE (_etext, .)
+                0x00000000000197f7                PROVIDE (etext, .)
 
-.rodata         0x0000000000019748     0x14cb
+.rodata         0x00000000000197f8     0x14cb
  *(.rodata .rodata.* .gnu.linkonce.r.*)
- .rodata        0x0000000000019748       0xc9 init/main.o
- *fill*         0x0000000000019811        0x3 
- .rodata        0x0000000000019814      0x438 kernel/kernel.o
- .rodata        0x0000000000019c4c      0x18f mm/mm.o
- *fill*         0x0000000000019ddb        0x1 
- .rodata        0x0000000000019ddc      0x63c fs/fs.o
- .rodata        0x000000000001a418       0x7a kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
- *fill*         0x000000000001a492        0x2 
- .rodata        0x000000000001a494      0x133 kernel/blk_drv/blk_drv.a(floppy.o)
- *fill*         0x000000000001a5c7        0x1 
- .rodata        0x000000000001a5c8      0x19b kernel/blk_drv/blk_drv.a(hd.o)
- *fill*         0x000000000001a763        0x1 
- .rodata        0x000000000001a764      0x188 kernel/blk_drv/blk_drv.a(ramdisk.o)
- .rodata        0x000000000001a8ec      0x17d kernel/chr_drv/chr_drv.a(console.o)
- *fill*         0x000000000001aa69        0x3 
- .rodata        0x000000000001aa6c       0x80 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
- .rodata        0x000000000001aaec       0x52 kernel/math/math.a(math_emulate.o)
- *fill*         0x000000000001ab3e        0x2 
- .rodata        0x000000000001ab40       0xd3 lib/lib.a(malloc.o)
+ .rodata        0x00000000000197f8       0xc9 init/main.o
+ *fill*         0x00000000000198c1        0x3 
+ .rodata        0x00000000000198c4      0x438 kernel/kernel.o
+ .rodata        0x0000000000019cfc      0x18f mm/mm.o
+ *fill*         0x0000000000019e8b        0x1 
+ .rodata        0x0000000000019e8c      0x63c fs/fs.o
+ .rodata        0x000000000001a4c8       0x7a kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+ *fill*         0x000000000001a542        0x2 
+ .rodata        0x000000000001a544      0x133 kernel/blk_drv/blk_drv.a(floppy.o)
+ *fill*         0x000000000001a677        0x1 
+ .rodata        0x000000000001a678      0x19b kernel/blk_drv/blk_drv.a(hd.o)
+ *fill*         0x000000000001a813        0x1 
+ .rodata        0x000000000001a814      0x188 kernel/blk_drv/blk_drv.a(ramdisk.o)
+ .rodata        0x000000000001a99c      0x17d kernel/chr_drv/chr_drv.a(console.o)
+ *fill*         0x000000000001ab19        0x3 
+ .rodata        0x000000000001ab1c       0x80 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+ .rodata        0x000000000001ab9c       0x52 kernel/math/math.a(math_emulate.o)
+ *fill*         0x000000000001abee        0x2 
+ .rodata        0x000000000001abf0       0xd3 lib/lib.a(malloc.o)
 
 .rodata1
  *(.rodata1)
@@ -567,52 +568,52 @@ LOAD lib/lib.a
 .eh_frame_hdr
  *(.eh_frame_hdr)
 
-.eh_frame       0x000000000001ac14     0x2c3c
+.eh_frame       0x000000000001acc4     0x2c80
  *(.eh_frame)
- .eh_frame      0x000000000001ac14      0x120 init/main.o
- .eh_frame      0x000000000001ad34      0xb54 kernel/kernel.o
-                                        0xc5c (size before relaxing)
- .eh_frame      0x000000000001b888      0x194 mm/mm.o
+ .eh_frame      0x000000000001acc4      0x120 init/main.o
+ .eh_frame      0x000000000001ade4      0xbb0 kernel/kernel.o
+                                        0xcd0 (size before relaxing)
+ .eh_frame      0x000000000001b994      0x194 mm/mm.o
                                         0x1ac (size before relaxing)
- .eh_frame      0x000000000001ba1c      0xea4 fs/fs.o
+ .eh_frame      0x000000000001bb28      0xea4 fs/fs.o
                                        0x1054 (size before relaxing)
- .eh_frame      0x000000000001c8c0       0x98 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+ .eh_frame      0x000000000001c9cc       0x98 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
                                          0xb0 (size before relaxing)
- .eh_frame      0x000000000001c958      0x23c kernel/blk_drv/blk_drv.a(floppy.o)
+ .eh_frame      0x000000000001ca64      0x23c kernel/blk_drv/blk_drv.a(floppy.o)
                                         0x254 (size before relaxing)
- .eh_frame      0x000000000001cb94      0x1e8 kernel/blk_drv/blk_drv.a(hd.o)
+ .eh_frame      0x000000000001cca0      0x1e8 kernel/blk_drv/blk_drv.a(hd.o)
                                         0x200 (size before relaxing)
- .eh_frame      0x000000000001cd7c       0xac kernel/blk_drv/blk_drv.a(ramdisk.o)
+ .eh_frame      0x000000000001ce88       0xac kernel/blk_drv/blk_drv.a(ramdisk.o)
                                          0xc4 (size before relaxing)
- .eh_frame      0x000000000001ce28      0x160 kernel/chr_drv/chr_drv.a(tty_io.o)
-                                        0x178 (size before relaxing)
- .eh_frame      0x000000000001cf88      0x2c0 kernel/chr_drv/chr_drv.a(console.o)
+ .eh_frame      0x000000000001cf34      0x148 kernel/chr_drv/chr_drv.a(tty_io.o)
+                                        0x160 (size before relaxing)
+ .eh_frame      0x000000000001d07c      0x2c0 kernel/chr_drv/chr_drv.a(console.o)
                                         0x2d8 (size before relaxing)
- .eh_frame      0x000000000001d248       0x54 kernel/chr_drv/chr_drv.a(serial.o)
+ .eh_frame      0x000000000001d33c       0x54 kernel/chr_drv/chr_drv.a(serial.o)
                                          0x6c (size before relaxing)
- .eh_frame      0x000000000001d29c      0x148 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+ .eh_frame      0x000000000001d390      0x148 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
                                         0x160 (size before relaxing)
- .eh_frame      0x000000000001d3e4       0x5c kernel/math/math.a(math_emulate.o)
+ .eh_frame      0x000000000001d4d8       0x5c kernel/math/math.a(math_emulate.o)
                                          0x74 (size before relaxing)
- .eh_frame      0x000000000001d440       0x1c lib/lib.a(_exit.o)
+ .eh_frame      0x000000000001d534       0x1c lib/lib.a(_exit.o)
                                          0x34 (size before relaxing)
- .eh_frame      0x000000000001d45c       0x24 lib/lib.a(open.o)
+ .eh_frame      0x000000000001d550       0x24 lib/lib.a(open.o)
                                          0x3c (size before relaxing)
- .eh_frame      0x000000000001d480       0x20 lib/lib.a(close.o)
+ .eh_frame      0x000000000001d574       0x20 lib/lib.a(close.o)
                                          0x38 (size before relaxing)
- .eh_frame      0x000000000001d4a0       0x20 lib/lib.a(write.o)
+ .eh_frame      0x000000000001d594       0x20 lib/lib.a(write.o)
                                          0x38 (size before relaxing)
- .eh_frame      0x000000000001d4c0       0x20 lib/lib.a(dup.o)
+ .eh_frame      0x000000000001d5b4       0x20 lib/lib.a(dup.o)
                                          0x38 (size before relaxing)
- .eh_frame      0x000000000001d4e0       0x18 lib/lib.a(setsid.o)
+ .eh_frame      0x000000000001d5d4       0x18 lib/lib.a(setsid.o)
                                          0x30 (size before relaxing)
- .eh_frame      0x000000000001d4f8       0x20 lib/lib.a(execve.o)
+ .eh_frame      0x000000000001d5ec       0x20 lib/lib.a(execve.o)
                                          0x38 (size before relaxing)
- .eh_frame      0x000000000001d518       0x38 lib/lib.a(wait.o)
+ .eh_frame      0x000000000001d60c       0x38 lib/lib.a(wait.o)
                                          0x50 (size before relaxing)
- .eh_frame      0x000000000001d550      0x2b0 lib/lib.a(string.o)
+ .eh_frame      0x000000000001d644      0x2b0 lib/lib.a(string.o)
                                         0x2c8 (size before relaxing)
- .eh_frame      0x000000000001d800       0x50 lib/lib.a(malloc.o)
+ .eh_frame      0x000000000001d8f4       0x50 lib/lib.a(malloc.o)
                                          0x68 (size before relaxing)
 
 .gcc_except_table
@@ -620,7 +621,7 @@ LOAD lib/lib.a
 
 .exception_ranges
  *(.exception_ranges .exception_ranges*)
-                0x000000000001d850                . = .
+                0x000000000001d944                . = .
 
 .eh_frame
  *(.eh_frame)
@@ -638,22 +639,22 @@ LOAD lib/lib.a
  *(.tbss .tbss.* .gnu.linkonce.tb.*)
  *(.tcommon)
 
-.preinit_array  0x000000000001d850        0x0
-                0x000000000001d850                PROVIDE (__preinit_array_start, .)
+.preinit_array  0x000000000001d944        0x0
+                0x000000000001d944                PROVIDE (__preinit_array_start, .)
  *(.preinit_array)
-                0x000000000001d850                PROVIDE (__preinit_array_end, .)
+                0x000000000001d944                PROVIDE (__preinit_array_end, .)
 
-.init_array     0x000000000001d850        0x0
-                0x000000000001d850                PROVIDE (__init_array_start, .)
+.init_array     0x000000000001d944        0x0
+                0x000000000001d944                PROVIDE (__init_array_start, .)
  *(SORT(.init_array.*) SORT(.ctors.*))
  *(.init_array EXCLUDE_FILE(*crtend?.o *crtend.o *crtbegin?.o *crtbegin.o) .ctors)
-                0x000000000001d850                PROVIDE (__init_array_end, .)
+                0x000000000001d944                PROVIDE (__init_array_end, .)
 
-.fini_array     0x000000000001d850        0x0
-                0x000000000001d850                PROVIDE (__fini_array_start, .)
+.fini_array     0x000000000001d944        0x0
+                0x000000000001d944                PROVIDE (__fini_array_start, .)
  *(SORT(.fini_array.*) SORT(.dtors.*))
  *(.fini_array EXCLUDE_FILE(*crtend?.o *crtend.o *crtbegin?.o *crtbegin.o) .dtors)
-                0x000000000001d850                PROVIDE (__fini_array_end, .)
+                0x000000000001d944                PROVIDE (__fini_array_end, .)
 
 .ctors
  *crtbegin.o(.ctors)
@@ -683,150 +684,152 @@ LOAD lib/lib.a
  *(.got)
  *(.igot)
 
-.got.plt        0x000000000001d850        0x0
+.got.plt        0x000000000001d944        0x0
  *(.got.plt)
  *(.igot.plt)
  .igot.plt      0x0000000000000000        0x0 boot/head.o
 
-.data           0x000000000001d860     0x3b90
+.data           0x000000000001d960     0x3bb0
  *(.data .data.* .gnu.linkonce.d.*)
- .data          0x000000000001d860        0x0 boot/head.o
- .data          0x000000000001d860       0x28 init/main.o
- *fill*         0x000000000001d888       0x18 
- .data          0x000000000001d8a0     0x1330 kernel/kernel.o
-                0x000000000001d8a0                sys_call_table
-                0x000000000001da1c                NR_syscalls
-                0x000000000001ea20                current
-                0x000000000001ea40                task
-                0x000000000001eb40                stack_start
-                0x000000000001eb48                current_DOR
- .data          0x000000000001ebd0        0x0 mm/mm.o
- *fill*         0x000000000001ebd0       0x10 
- .data          0x000000000001ebe0       0x60 fs/fs.o
-                0x000000000001ebe4                start_buffer
- .data          0x000000000001ec40        0x0 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
- .data          0x000000000001ec40       0xcd kernel/blk_drv/blk_drv.a(floppy.o)
- *fill*         0x000000000001ed0d        0x3 
- .data          0x000000000001ed10        0x4 kernel/blk_drv/blk_drv.a(hd.o)
- .data          0x000000000001ed14        0x0 kernel/blk_drv/blk_drv.a(ramdisk.o)
- *fill*         0x000000000001ed14        0xc 
- .data          0x000000000001ed20     0x2538 kernel/chr_drv/chr_drv.a(tty_io.o)
-                0x000000000001ed20                tty_table
-                0x0000000000021240                table_list
- .data          0x0000000000021258        0x1 kernel/chr_drv/chr_drv.a(console.o)
- .data          0x0000000000021259        0x0 kernel/chr_drv/chr_drv.a(keyboard.2.o)
- .data          0x0000000000021259        0x0 kernel/chr_drv/chr_drv.a(serial.o)
- .data          0x0000000000021259        0x0 kernel/chr_drv/chr_drv.a(rs_io.o)
- *fill*         0x0000000000021259        0x7 
- .data          0x0000000000021260       0x20 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
- .data          0x0000000000021280        0x0 kernel/chr_drv/chr_drv.a(mouse.2.o)
- .data          0x0000000000021280        0x0 kernel/math/math.a(math_emulate.o)
- .data          0x0000000000021280      0x101 lib/lib.a(ctype.o)
-                0x0000000000021280                _ctype
- .data          0x0000000000021381        0x0 lib/lib.a(_exit.o)
- .data          0x0000000000021381        0x0 lib/lib.a(open.o)
- .data          0x0000000000021381        0x0 lib/lib.a(close.o)
- .data          0x0000000000021381        0x0 lib/lib.a(errno.o)
- .data          0x0000000000021381        0x0 lib/lib.a(write.o)
- .data          0x0000000000021381        0x0 lib/lib.a(dup.o)
- .data          0x0000000000021381        0x0 lib/lib.a(setsid.o)
- .data          0x0000000000021381        0x0 lib/lib.a(execve.o)
- .data          0x0000000000021381        0x0 lib/lib.a(wait.o)
- .data          0x0000000000021381        0x0 lib/lib.a(string.o)
- *fill*         0x0000000000021381       0x1f 
- .data          0x00000000000213a0       0x50 lib/lib.a(malloc.o)
-                0x00000000000213a0                bucket_dir
+ .data          0x000000000001d960        0x0 boot/head.o
+ .data          0x000000000001d960       0x28 init/main.o
+ *fill*         0x000000000001d988       0x18 
+ .data          0x000000000001d9a0     0x1350 kernel/kernel.o
+                0x000000000001d9a0                sys_call_table
+                0x000000000001db20                NR_syscalls
+                0x000000000001eb40                current
+                0x000000000001eb60                task
+                0x000000000001ec60                stack_start
+                0x000000000001ec68                current_DOR
+ .data          0x000000000001ecf0        0x0 mm/mm.o
+ *fill*         0x000000000001ecf0       0x10 
+ .data          0x000000000001ed00       0x60 fs/fs.o
+                0x000000000001ed04                start_buffer
+ .data          0x000000000001ed60        0x0 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+ .data          0x000000000001ed60       0xcd kernel/blk_drv/blk_drv.a(floppy.o)
+ *fill*         0x000000000001ee2d        0x3 
+ .data          0x000000000001ee30        0x4 kernel/blk_drv/blk_drv.a(hd.o)
+ .data          0x000000000001ee34        0x0 kernel/blk_drv/blk_drv.a(ramdisk.o)
+ *fill*         0x000000000001ee34        0xc 
+ .data          0x000000000001ee40     0x2538 kernel/chr_drv/chr_drv.a(tty_io.o)
+                0x000000000001ee40                tty_table
+                0x0000000000021360                table_list
+ .data          0x0000000000021378        0x1 kernel/chr_drv/chr_drv.a(console.o)
+ .data          0x0000000000021379        0x0 kernel/chr_drv/chr_drv.a(keyboard.2.o)
+ .data          0x0000000000021379        0x0 kernel/chr_drv/chr_drv.a(serial.o)
+ .data          0x0000000000021379        0x0 kernel/chr_drv/chr_drv.a(rs_io.o)
+ *fill*         0x0000000000021379        0x7 
+ .data          0x0000000000021380       0x20 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+ .data          0x00000000000213a0        0x0 kernel/chr_drv/chr_drv.a(mouse.2.o)
+ .data          0x00000000000213a0        0x0 kernel/math/math.a(math_emulate.o)
+ .data          0x00000000000213a0      0x101 lib/lib.a(ctype.o)
+                0x00000000000213a0                _ctype
+ .data          0x00000000000214a1        0x0 lib/lib.a(_exit.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(open.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(close.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(errno.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(write.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(dup.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(setsid.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(execve.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(wait.o)
+ .data          0x00000000000214a1        0x0 lib/lib.a(string.o)
+ *fill*         0x00000000000214a1       0x1f 
+ .data          0x00000000000214c0       0x50 lib/lib.a(malloc.o)
+                0x00000000000214c0                bucket_dir
 
 .data1
  *(.data1)
-                0x00000000000213f0                _edata = .
-                0x00000000000213f0                PROVIDE (edata, .)
-                0x00000000000213f0                . = .
-                0x00000000000213f0                __bss_start = .
+                0x0000000000021510                _edata = .
+                0x0000000000021510                PROVIDE (edata, .)
+                0x0000000000021510                . = .
+                0x0000000000021510                __bss_start = .
 
-.bss            0x0000000000021400     0x4510
+.bss            0x0000000000021520     0x64f0
  *(.dynbss)
  *(.bss .bss.* .gnu.linkonce.b.*)
- .bss           0x0000000000021400        0x0 boot/head.o
- .bss           0x0000000000021400      0x40c init/main.o
- *fill*         0x000000000002180c       0x14 
- .bss           0x0000000000021820      0x764 kernel/kernel.o
-                0x0000000000021820                jiffies
-                0x0000000000021824                startup_time
-                0x0000000000021828                last_task_used_math
-                0x0000000000021b64                last_pid
- *fill*         0x0000000000021f84       0x1c 
- .bss           0x0000000000021fa0      0xf20 mm/mm.o
- .bss           0x0000000000022ec0      0x710 fs/fs.o
-                0x0000000000022ec0                inode_table
-                0x00000000000235c0                nr_buffers
-                0x00000000000235cc                ROOT_DEV
- *fill*         0x00000000000235d0       0x10 
- .bss           0x00000000000235e0       0x58 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
-                0x00000000000235e0                wait_for_request
-                0x0000000000023600                blk_dev
- .bss           0x0000000000023638       0x25 kernel/blk_drv/blk_drv.a(floppy.o)
-                0x0000000000023638                do_floppy
-                0x000000000002363c                selected
-                0x0000000000023640                wait_on_floppy_select
- *fill*         0x000000000002365d        0x3 
- .bss           0x0000000000023660       0xb0 kernel/blk_drv/blk_drv.a(hd.o)
-                0x0000000000023660                do_hd
-                0x0000000000023680                hd_info
- .bss           0x0000000000023710        0x4 kernel/blk_drv/blk_drv.a(ramdisk.o)
-                0x0000000000023710                rd_length
- .bss           0x0000000000023714       0x1c kernel/chr_drv/chr_drv.a(tty_io.o)
-                0x0000000000023714                cnt
- *fill*         0x0000000000023730       0x10 
- .bss           0x0000000000023740       0xac kernel/chr_drv/chr_drv.a(console.o)
-                0x0000000000023740                beepcount
- .bss           0x00000000000237ec        0x0 kernel/chr_drv/chr_drv.a(keyboard.2.o)
- .bss           0x00000000000237ec        0x0 kernel/chr_drv/chr_drv.a(serial.o)
- .bss           0x00000000000237ec        0x0 kernel/chr_drv/chr_drv.a(rs_io.o)
- .bss           0x00000000000237ec        0x0 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
- .bss           0x00000000000237ec        0x0 kernel/chr_drv/chr_drv.a(mouse.2.o)
- .bss           0x00000000000237ec        0x0 kernel/math/math.a(math_emulate.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(ctype.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(_exit.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(open.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(close.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(errno.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(write.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(dup.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(setsid.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(execve.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(wait.o)
- .bss           0x00000000000237ec        0x0 lib/lib.a(string.o)
- .bss           0x00000000000237ec        0x4 lib/lib.a(malloc.o)
-                0x00000000000237ec                free_bucket_desc
+ .bss           0x0000000000021520        0x0 boot/head.o
+ .bss           0x0000000000021520      0x40c init/main.o
+ *fill*         0x000000000002192c       0x14 
+ .bss           0x0000000000021940      0x768 kernel/kernel.o
+                0x0000000000021940                jiffies
+                0x0000000000021944                startup_time
+                0x0000000000021948                last_task_used_math
+                0x000000000002194c                user_timer_list
+                0x0000000000021c84                last_pid
+                0x00000000000220a0                msg_que_fron
+                0x00000000000220a4                msg_que_rear
+ *fill*         0x00000000000220a8       0x18 
+ .bss           0x00000000000220c0      0xf20 mm/mm.o
+ .bss           0x0000000000022fe0      0x710 fs/fs.o
+                0x0000000000022fe0                inode_table
+                0x00000000000236e0                nr_buffers
+                0x00000000000236ec                ROOT_DEV
+ *fill*         0x00000000000236f0       0x10 
+ .bss           0x0000000000023700       0x58 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+                0x0000000000023700                wait_for_request
+                0x0000000000023720                blk_dev
+ .bss           0x0000000000023758       0x25 kernel/blk_drv/blk_drv.a(floppy.o)
+                0x0000000000023758                do_floppy
+                0x000000000002375c                selected
+                0x0000000000023760                wait_on_floppy_select
+ *fill*         0x000000000002377d        0x3 
+ .bss           0x0000000000023780       0xb0 kernel/blk_drv/blk_drv.a(hd.o)
+                0x0000000000023780                do_hd
+                0x00000000000237a0                hd_info
+ .bss           0x0000000000023830        0x4 kernel/blk_drv/blk_drv.a(ramdisk.o)
+                0x0000000000023830                rd_length
+ .bss           0x0000000000023834       0x14 kernel/chr_drv/chr_drv.a(tty_io.o)
+ *fill*         0x0000000000023848       0x18 
+ .bss           0x0000000000023860       0xac kernel/chr_drv/chr_drv.a(console.o)
+                0x0000000000023860                beepcount
+ .bss           0x000000000002390c        0x0 kernel/chr_drv/chr_drv.a(keyboard.2.o)
+ .bss           0x000000000002390c        0x0 kernel/chr_drv/chr_drv.a(serial.o)
+ .bss           0x000000000002390c        0x0 kernel/chr_drv/chr_drv.a(rs_io.o)
+ .bss           0x000000000002390c        0x0 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+ .bss           0x000000000002390c        0x0 kernel/chr_drv/chr_drv.a(mouse.2.o)
+ .bss           0x000000000002390c        0x0 kernel/math/math.a(math_emulate.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(ctype.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(_exit.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(open.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(close.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(errno.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(write.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(dup.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(setsid.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(execve.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(wait.o)
+ .bss           0x000000000002390c        0x0 lib/lib.a(string.o)
+ .bss           0x000000000002390c        0x4 lib/lib.a(malloc.o)
+                0x000000000002390c                free_bucket_desc
  *(COMMON)
- *fill*         0x00000000000237f0       0x10 
- COMMON         0x0000000000023800       0x40 init/main.o
-                0x0000000000023800                headd
-                0x0000000000023820                drive_info
- COMMON         0x0000000000023840     0x1000 kernel/kernel.o
-                0x0000000000023840                user_stack
- COMMON         0x0000000000024840      0xc40 fs/fs.o
-                0x0000000000024840                hash_table
-                0x0000000000024d20                super_block
-                0x0000000000025080                file_table
- COMMON         0x0000000000025480      0x480 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
-                0x0000000000025480                request
- COMMON         0x0000000000025900        0x4 kernel/blk_drv/blk_drv.a(ramdisk.o)
-                0x0000000000025900                rd_start
- COMMON         0x0000000000025904        0x1 lib/lib.a(ctype.o)
-                0x0000000000025904                _ctmp
- *fill*         0x0000000000025905        0x3 
- COMMON         0x0000000000025908        0x4 lib/lib.a(errno.o)
-                0x0000000000025908                errno
- COMMON         0x000000000002590c        0x4 lib/lib.a(string.o)
-                0x000000000002590c                ___strtok
-                0x0000000000025910                . = ALIGN ((. != 0x0)?0x4:0x1)
-                0x0000000000025910                . = ALIGN (0x4)
-                0x0000000000025910                . = SEGMENT_START ("ldata-segment", .)
-                0x0000000000025910                . = ALIGN (0x4)
-                0x0000000000025910                _end = .
-                0x0000000000025910                PROVIDE (end, .)
+ *fill*         0x0000000000023910       0x10 
+ COMMON         0x0000000000023920       0x20 init/main.o
+                0x0000000000023920                drive_info
+ COMMON         0x0000000000023940     0x3000 kernel/kernel.o
+                0x0000000000023940                msg_que
+                0x0000000000025940                user_stack
+ COMMON         0x0000000000026940      0xc40 fs/fs.o
+                0x0000000000026940                hash_table
+                0x0000000000026e20                super_block
+                0x0000000000027180                file_table
+ COMMON         0x0000000000027580      0x480 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+                0x0000000000027580                request
+ COMMON         0x0000000000027a00        0x4 kernel/blk_drv/blk_drv.a(ramdisk.o)
+                0x0000000000027a00                rd_start
+ COMMON         0x0000000000027a04        0x1 lib/lib.a(ctype.o)
+                0x0000000000027a04                _ctmp
+ *fill*         0x0000000000027a05        0x3 
+ COMMON         0x0000000000027a08        0x4 lib/lib.a(errno.o)
+                0x0000000000027a08                errno
+ COMMON         0x0000000000027a0c        0x4 lib/lib.a(string.o)
+                0x0000000000027a0c                ___strtok
+                0x0000000000027a10                . = ALIGN ((. != 0x0)?0x4:0x1)
+                0x0000000000027a10                . = ALIGN (0x4)
+                0x0000000000027a10                . = SEGMENT_START ("ldata-segment", .)
+                0x0000000000027a10                . = ALIGN (0x4)
+                0x0000000000027a10                _end = .
+                0x0000000000027a10                PROVIDE (end, .)
 
 .stab
  *(.stab)
@@ -850,7 +853,7 @@ LOAD lib/lib.a
  *(.comment)
  .comment       0x0000000000000000       0x29 init/main.o
                                          0x2a (size before relaxing)
- .comment       0x0000000000000000      0x1ce kernel/kernel.o
+ .comment       0x0000000000000000      0x1f8 kernel/kernel.o
  .comment       0x0000000000000000       0x2a mm/mm.o
  .comment       0x0000000000000000      0x31e fs/fs.o
  .comment       0x0000000000000000       0x2a kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
@@ -887,201 +890,201 @@ LOAD lib/lib.a
 .debug_sfnames
  *(.debug_sfnames)
 
-.debug_aranges  0x0000000000000000      0x688
+.debug_aranges  0x0000000000000000      0x6a8
  *(.debug_aranges)
  .debug_aranges
                 0x0000000000000000       0x20 init/main.o
  .debug_aranges
-                0x0000000000000020      0x160 kernel/kernel.o
+                0x0000000000000020      0x180 kernel/kernel.o
  .debug_aranges
-                0x0000000000000180       0x20 mm/mm.o
+                0x00000000000001a0       0x20 mm/mm.o
  .debug_aranges
-                0x00000000000001a0      0x258 fs/fs.o
+                0x00000000000001c0      0x258 fs/fs.o
  .debug_aranges
-                0x00000000000003f8       0x20 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+                0x0000000000000418       0x20 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
  .debug_aranges
-                0x0000000000000418       0x20 kernel/blk_drv/blk_drv.a(floppy.o)
+                0x0000000000000438       0x20 kernel/blk_drv/blk_drv.a(floppy.o)
  .debug_aranges
-                0x0000000000000438       0x20 kernel/blk_drv/blk_drv.a(hd.o)
+                0x0000000000000458       0x20 kernel/blk_drv/blk_drv.a(hd.o)
  .debug_aranges
-                0x0000000000000458       0x20 kernel/blk_drv/blk_drv.a(ramdisk.o)
+                0x0000000000000478       0x20 kernel/blk_drv/blk_drv.a(ramdisk.o)
  .debug_aranges
-                0x0000000000000478       0x20 kernel/chr_drv/chr_drv.a(tty_io.o)
+                0x0000000000000498       0x20 kernel/chr_drv/chr_drv.a(tty_io.o)
  .debug_aranges
-                0x0000000000000498       0x20 kernel/chr_drv/chr_drv.a(console.o)
+                0x00000000000004b8       0x20 kernel/chr_drv/chr_drv.a(console.o)
  .debug_aranges
-                0x00000000000004b8       0x20 kernel/chr_drv/chr_drv.a(serial.o)
+                0x00000000000004d8       0x20 kernel/chr_drv/chr_drv.a(serial.o)
  .debug_aranges
-                0x00000000000004d8       0x20 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+                0x00000000000004f8       0x20 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
  .debug_aranges
-                0x00000000000004f8       0x20 kernel/math/math.a(math_emulate.o)
+                0x0000000000000518       0x20 kernel/math/math.a(math_emulate.o)
  .debug_aranges
-                0x0000000000000518       0x18 lib/lib.a(ctype.o)
+                0x0000000000000538       0x18 lib/lib.a(ctype.o)
  .debug_aranges
-                0x0000000000000530       0x20 lib/lib.a(_exit.o)
+                0x0000000000000550       0x20 lib/lib.a(_exit.o)
  .debug_aranges
-                0x0000000000000550       0x20 lib/lib.a(open.o)
+                0x0000000000000570       0x20 lib/lib.a(open.o)
  .debug_aranges
-                0x0000000000000570       0x20 lib/lib.a(close.o)
+                0x0000000000000590       0x20 lib/lib.a(close.o)
  .debug_aranges
-                0x0000000000000590       0x18 lib/lib.a(errno.o)
+                0x00000000000005b0       0x18 lib/lib.a(errno.o)
  .debug_aranges
-                0x00000000000005a8       0x20 lib/lib.a(write.o)
+                0x00000000000005c8       0x20 lib/lib.a(write.o)
  .debug_aranges
-                0x00000000000005c8       0x20 lib/lib.a(dup.o)
+                0x00000000000005e8       0x20 lib/lib.a(dup.o)
  .debug_aranges
-                0x00000000000005e8       0x20 lib/lib.a(setsid.o)
+                0x0000000000000608       0x20 lib/lib.a(setsid.o)
  .debug_aranges
-                0x0000000000000608       0x20 lib/lib.a(execve.o)
+                0x0000000000000628       0x20 lib/lib.a(execve.o)
  .debug_aranges
-                0x0000000000000628       0x20 lib/lib.a(wait.o)
+                0x0000000000000648       0x20 lib/lib.a(wait.o)
  .debug_aranges
-                0x0000000000000648       0x20 lib/lib.a(string.o)
+                0x0000000000000668       0x20 lib/lib.a(string.o)
  .debug_aranges
-                0x0000000000000668       0x20 lib/lib.a(malloc.o)
+                0x0000000000000688       0x20 lib/lib.a(malloc.o)
 
 .debug_pubnames
  *(.debug_pubnames)
 
-.debug_info     0x0000000000000000    0x18724
+.debug_info     0x0000000000000000    0x18cb8
  *(.debug_info .gnu.linkonce.wi.*)
- .debug_info    0x0000000000000000      0xbe3 init/main.o
- .debug_info    0x0000000000000be3     0x4edc kernel/kernel.o
- .debug_info    0x0000000000005abf      0xb2b mm/mm.o
- .debug_info    0x00000000000065ea     0xaf3e fs/fs.o
- .debug_info    0x0000000000011528      0x932 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
- .debug_info    0x0000000000011e5a      0xc9f kernel/blk_drv/blk_drv.a(floppy.o)
- .debug_info    0x0000000000012af9      0xd5f kernel/blk_drv/blk_drv.a(hd.o)
- .debug_info    0x0000000000013858      0xad5 kernel/blk_drv/blk_drv.a(ramdisk.o)
- .debug_info    0x000000000001432d      0xc51 kernel/chr_drv/chr_drv.a(tty_io.o)
- .debug_info    0x0000000000014f7e      0xe14 kernel/chr_drv/chr_drv.a(console.o)
- .debug_info    0x0000000000015d92      0x8a4 kernel/chr_drv/chr_drv.a(serial.o)
- .debug_info    0x0000000000016636      0xb8f kernel/chr_drv/chr_drv.a(tty_ioctl.o)
- .debug_info    0x00000000000171c5      0x7b5 kernel/math/math.a(math_emulate.o)
- .debug_info    0x000000000001797a       0x66 lib/lib.a(ctype.o)
- .debug_info    0x00000000000179e0       0x77 lib/lib.a(_exit.o)
- .debug_info    0x0000000000017a57       0xd0 lib/lib.a(open.o)
- .debug_info    0x0000000000017b27       0x97 lib/lib.a(close.o)
- .debug_info    0x0000000000017bbe       0x36 lib/lib.a(errno.o)
- .debug_info    0x0000000000017bf4       0xc9 lib/lib.a(write.o)
- .debug_info    0x0000000000017cbd       0x97 lib/lib.a(dup.o)
- .debug_info    0x0000000000017d54       0x95 lib/lib.a(setsid.o)
- .debug_info    0x0000000000017de9       0xcb lib/lib.a(execve.o)
- .debug_info    0x0000000000017eb4       0xed lib/lib.a(wait.o)
- .debug_info    0x0000000000017fa1      0x55e lib/lib.a(string.o)
- .debug_info    0x00000000000184ff      0x225 lib/lib.a(malloc.o)
-
-.debug_abbrev   0x0000000000000000     0x493a
+ .debug_info    0x0000000000000000      0xb9b init/main.o
+ .debug_info    0x0000000000000b9b     0x5680 kernel/kernel.o
+ .debug_info    0x000000000000621b      0xb2b mm/mm.o
+ .debug_info    0x0000000000006d46     0xaef6 fs/fs.o
+ .debug_info    0x0000000000011c3c      0x932 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+ .debug_info    0x000000000001256e      0xc9f kernel/blk_drv/blk_drv.a(floppy.o)
+ .debug_info    0x000000000001320d      0xd5f kernel/blk_drv/blk_drv.a(hd.o)
+ .debug_info    0x0000000000013f6c      0xad5 kernel/blk_drv/blk_drv.a(ramdisk.o)
+ .debug_info    0x0000000000014a41      0xb71 kernel/chr_drv/chr_drv.a(tty_io.o)
+ .debug_info    0x00000000000155b2      0xdcc kernel/chr_drv/chr_drv.a(console.o)
+ .debug_info    0x000000000001637e      0x85c kernel/chr_drv/chr_drv.a(serial.o)
+ .debug_info    0x0000000000016bda      0xb47 kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+ .debug_info    0x0000000000017721      0x7b5 kernel/math/math.a(math_emulate.o)
+ .debug_info    0x0000000000017ed6       0x66 lib/lib.a(ctype.o)
+ .debug_info    0x0000000000017f3c       0x7e lib/lib.a(_exit.o)
+ .debug_info    0x0000000000017fba       0xd7 lib/lib.a(open.o)
+ .debug_info    0x0000000000018091       0x9e lib/lib.a(close.o)
+ .debug_info    0x000000000001812f       0x36 lib/lib.a(errno.o)
+ .debug_info    0x0000000000018165       0xd0 lib/lib.a(write.o)
+ .debug_info    0x0000000000018235       0x9e lib/lib.a(dup.o)
+ .debug_info    0x00000000000182d3       0x9c lib/lib.a(setsid.o)
+ .debug_info    0x000000000001836f       0xd2 lib/lib.a(execve.o)
+ .debug_info    0x0000000000018441       0xf4 lib/lib.a(wait.o)
+ .debug_info    0x0000000000018535      0x55e lib/lib.a(string.o)
+ .debug_info    0x0000000000018a93      0x225 lib/lib.a(malloc.o)
+
+.debug_abbrev   0x0000000000000000     0x4a10
  *(.debug_abbrev)
  .debug_abbrev  0x0000000000000000      0x253 init/main.o
- .debug_abbrev  0x0000000000000253     0x1064 kernel/kernel.o
- .debug_abbrev  0x00000000000012b7      0x20b mm/mm.o
- .debug_abbrev  0x00000000000014c2     0x1c2e fs/fs.o
- .debug_abbrev  0x00000000000030f0      0x169 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
- .debug_abbrev  0x0000000000003259      0x27d kernel/blk_drv/blk_drv.a(floppy.o)
- .debug_abbrev  0x00000000000034d6      0x23c kernel/blk_drv/blk_drv.a(hd.o)
- .debug_abbrev  0x0000000000003712      0x1a8 kernel/blk_drv/blk_drv.a(ramdisk.o)
- .debug_abbrev  0x00000000000038ba      0x2f0 kernel/chr_drv/chr_drv.a(tty_io.o)
- .debug_abbrev  0x0000000000003baa      0x27c kernel/chr_drv/chr_drv.a(console.o)
- .debug_abbrev  0x0000000000003e26      0x186 kernel/chr_drv/chr_drv.a(serial.o)
- .debug_abbrev  0x0000000000003fac      0x19e kernel/chr_drv/chr_drv.a(tty_ioctl.o)
- .debug_abbrev  0x000000000000414a      0x163 kernel/math/math.a(math_emulate.o)
- .debug_abbrev  0x00000000000042ad       0x3e lib/lib.a(ctype.o)
- .debug_abbrev  0x00000000000042eb       0x51 lib/lib.a(_exit.o)
- .debug_abbrev  0x000000000000433c       0x97 lib/lib.a(open.o)
- .debug_abbrev  0x00000000000043d3       0x75 lib/lib.a(close.o)
- .debug_abbrev  0x0000000000004448       0x2c lib/lib.a(errno.o)
- .debug_abbrev  0x0000000000004474       0xa1 lib/lib.a(write.o)
- .debug_abbrev  0x0000000000004515       0x75 lib/lib.a(dup.o)
- .debug_abbrev  0x000000000000458a       0x73 lib/lib.a(setsid.o)
- .debug_abbrev  0x00000000000045fd       0x85 lib/lib.a(execve.o)
- .debug_abbrev  0x0000000000004682       0xb6 lib/lib.a(wait.o)
- .debug_abbrev  0x0000000000004738       0xe9 lib/lib.a(string.o)
- .debug_abbrev  0x0000000000004821      0x119 lib/lib.a(malloc.o)
-
-.debug_line     0x0000000000000000     0x4bf6
+ .debug_abbrev  0x0000000000000253     0x11f5 kernel/kernel.o
+ .debug_abbrev  0x0000000000001448      0x20b mm/mm.o
+ .debug_abbrev  0x0000000000001653     0x1c1d fs/fs.o
+ .debug_abbrev  0x0000000000003270      0x169 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+ .debug_abbrev  0x00000000000033d9      0x27d kernel/blk_drv/blk_drv.a(floppy.o)
+ .debug_abbrev  0x0000000000003656      0x23c kernel/blk_drv/blk_drv.a(hd.o)
+ .debug_abbrev  0x0000000000003892      0x1a8 kernel/blk_drv/blk_drv.a(ramdisk.o)
+ .debug_abbrev  0x0000000000003a3a      0x279 kernel/chr_drv/chr_drv.a(tty_io.o)
+ .debug_abbrev  0x0000000000003cb3      0x26b kernel/chr_drv/chr_drv.a(console.o)
+ .debug_abbrev  0x0000000000003f1e      0x175 kernel/chr_drv/chr_drv.a(serial.o)
+ .debug_abbrev  0x0000000000004093      0x18d kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+ .debug_abbrev  0x0000000000004220      0x163 kernel/math/math.a(math_emulate.o)
+ .debug_abbrev  0x0000000000004383       0x3e lib/lib.a(ctype.o)
+ .debug_abbrev  0x00000000000043c1       0x51 lib/lib.a(_exit.o)
+ .debug_abbrev  0x0000000000004412       0x97 lib/lib.a(open.o)
+ .debug_abbrev  0x00000000000044a9       0x75 lib/lib.a(close.o)
+ .debug_abbrev  0x000000000000451e       0x2c lib/lib.a(errno.o)
+ .debug_abbrev  0x000000000000454a       0xa1 lib/lib.a(write.o)
+ .debug_abbrev  0x00000000000045eb       0x75 lib/lib.a(dup.o)
+ .debug_abbrev  0x0000000000004660       0x73 lib/lib.a(setsid.o)
+ .debug_abbrev  0x00000000000046d3       0x85 lib/lib.a(execve.o)
+ .debug_abbrev  0x0000000000004758       0xb6 lib/lib.a(wait.o)
+ .debug_abbrev  0x000000000000480e       0xe9 lib/lib.a(string.o)
+ .debug_abbrev  0x00000000000048f7      0x119 lib/lib.a(malloc.o)
+
+.debug_line     0x0000000000000000     0x4c66
  *(.debug_line .debug_line.* .debug_line_end)
- .debug_line    0x0000000000000000      0x1fe init/main.o
- .debug_line    0x00000000000001fe      0xfa9 kernel/kernel.o
- .debug_line    0x00000000000011a7      0x276 mm/mm.o
- .debug_line    0x000000000000141d     0x1fa2 fs/fs.o
- .debug_line    0x00000000000033bf      0x197 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
- .debug_line    0x0000000000003556      0x24c kernel/blk_drv/blk_drv.a(floppy.o)
- .debug_line    0x00000000000037a2      0x2bf kernel/blk_drv/blk_drv.a(hd.o)
- .debug_line    0x0000000000003a61      0x160 kernel/blk_drv/blk_drv.a(ramdisk.o)
- .debug_line    0x0000000000003bc1      0x3d4 kernel/chr_drv/chr_drv.a(tty_io.o)
- .debug_line    0x0000000000003f95      0x3b7 kernel/chr_drv/chr_drv.a(console.o)
- .debug_line    0x000000000000434c       0xd9 kernel/chr_drv/chr_drv.a(serial.o)
- .debug_line    0x0000000000004425      0x1db kernel/chr_drv/chr_drv.a(tty_ioctl.o)
- .debug_line    0x0000000000004600       0xe1 kernel/math/math.a(math_emulate.o)
- .debug_line    0x00000000000046e1       0x28 lib/lib.a(ctype.o)
- .debug_line    0x0000000000004709       0x39 lib/lib.a(_exit.o)
- .debug_line    0x0000000000004742       0x62 lib/lib.a(open.o)
- .debug_line    0x00000000000047a4       0x5c lib/lib.a(close.o)
- .debug_line    0x0000000000004800       0x28 lib/lib.a(errno.o)
- .debug_line    0x0000000000004828       0x76 lib/lib.a(write.o)
- .debug_line    0x000000000000489e       0x5a lib/lib.a(dup.o)
- .debug_line    0x00000000000048f8       0x77 lib/lib.a(setsid.o)
- .debug_line    0x000000000000496f       0x5d lib/lib.a(execve.o)
- .debug_line    0x00000000000049cc       0x7a lib/lib.a(wait.o)
- .debug_line    0x0000000000004a46       0xc6 lib/lib.a(string.o)
- .debug_line    0x0000000000004b0c       0xea lib/lib.a(malloc.o)
+ .debug_line    0x0000000000000000      0x1f5 init/main.o
+ .debug_line    0x00000000000001f5     0x1083 kernel/kernel.o
+ .debug_line    0x0000000000001278      0x276 mm/mm.o
+ .debug_line    0x00000000000014ee     0x1fa2 fs/fs.o
+ .debug_line    0x0000000000003490      0x197 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+ .debug_line    0x0000000000003627      0x24c kernel/blk_drv/blk_drv.a(floppy.o)
+ .debug_line    0x0000000000003873      0x2bf kernel/blk_drv/blk_drv.a(hd.o)
+ .debug_line    0x0000000000003b32      0x160 kernel/blk_drv/blk_drv.a(ramdisk.o)
+ .debug_line    0x0000000000003c92      0x373 kernel/chr_drv/chr_drv.a(tty_io.o)
+ .debug_line    0x0000000000004005      0x3b7 kernel/chr_drv/chr_drv.a(console.o)
+ .debug_line    0x00000000000043bc       0xd9 kernel/chr_drv/chr_drv.a(serial.o)
+ .debug_line    0x0000000000004495      0x1db kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+ .debug_line    0x0000000000004670       0xe1 kernel/math/math.a(math_emulate.o)
+ .debug_line    0x0000000000004751       0x28 lib/lib.a(ctype.o)
+ .debug_line    0x0000000000004779       0x39 lib/lib.a(_exit.o)
+ .debug_line    0x00000000000047b2       0x62 lib/lib.a(open.o)
+ .debug_line    0x0000000000004814       0x5c lib/lib.a(close.o)
+ .debug_line    0x0000000000004870       0x28 lib/lib.a(errno.o)
+ .debug_line    0x0000000000004898       0x76 lib/lib.a(write.o)
+ .debug_line    0x000000000000490e       0x5a lib/lib.a(dup.o)
+ .debug_line    0x0000000000004968       0x77 lib/lib.a(setsid.o)
+ .debug_line    0x00000000000049df       0x5d lib/lib.a(execve.o)
+ .debug_line    0x0000000000004a3c       0x7a lib/lib.a(wait.o)
+ .debug_line    0x0000000000004ab6       0xc6 lib/lib.a(string.o)
+ .debug_line    0x0000000000004b7c       0xea lib/lib.a(malloc.o)
 
 .debug_frame
  *(.debug_frame)
 
-.debug_str      0x0000000000000000     0x22da
+.debug_str      0x0000000000000000     0x22d6
  *(.debug_str)
- .debug_str     0x0000000000000000      0x3cc init/main.o
-                                        0x48a (size before relaxing)
- .debug_str     0x00000000000003cc      0x90b kernel/kernel.o
-                                       0x24af (size before relaxing)
- .debug_str     0x0000000000000cd7      0x18a mm/mm.o
-                                        0x4e5 (size before relaxing)
- .debug_str     0x0000000000000e61      0x9c1 fs/fs.o
-                                       0x4f1a (size before relaxing)
- .debug_str     0x0000000000001822       0xf5 kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
-                                        0x496 (size before relaxing)
- .debug_str     0x0000000000001917      0x1cf kernel/blk_drv/blk_drv.a(floppy.o)
-                                        0x678 (size before relaxing)
- .debug_str     0x0000000000001ae6      0x15e kernel/blk_drv/blk_drv.a(hd.o)
-                                        0x5ed (size before relaxing)
- .debug_str     0x0000000000001c44       0x43 kernel/blk_drv/blk_drv.a(ramdisk.o)
-                                        0x58f (size before relaxing)
- .debug_str     0x0000000000001c87      0x1aa kernel/chr_drv/chr_drv.a(tty_io.o)
-                                        0x5a5 (size before relaxing)
- .debug_str     0x0000000000001e31      0x1b9 kernel/chr_drv/chr_drv.a(console.o)
-                                        0x5cf (size before relaxing)
- .debug_str     0x0000000000001fea       0x1a kernel/chr_drv/chr_drv.a(serial.o)
-                                        0x414 (size before relaxing)
- .debug_str     0x0000000000002004       0x8b kernel/chr_drv/chr_drv.a(tty_ioctl.o)
-                                        0x4bf (size before relaxing)
- .debug_str     0x000000000000208f       0x75 kernel/math/math.a(math_emulate.o)
-                                        0x397 (size before relaxing)
- .debug_str     0x0000000000002104       0x92 lib/lib.a(ctype.o)
-                                         0xbb (size before relaxing)
- .debug_str     0x0000000000002196        0x8 lib/lib.a(_exit.o)
-                                         0xe7 (size before relaxing)
+ .debug_str     0x0000000000000000      0x3bd init/main.o
+                                        0x46e (size before relaxing)
+ .debug_str     0x00000000000003bd      0x966 kernel/kernel.o
+                                       0x27de (size before relaxing)
+ .debug_str     0x0000000000000d23      0x181 mm/mm.o
+                                        0x4dc (size before relaxing)
+ .debug_str     0x0000000000000ea4      0x9b8 fs/fs.o
+                                       0x4e5c (size before relaxing)
+ .debug_str     0x000000000000185c       0xec kernel/blk_drv/blk_drv.a(ll_rw_blk.o)
+                                        0x48d (size before relaxing)
+ .debug_str     0x0000000000001948      0x1cf kernel/blk_drv/blk_drv.a(floppy.o)
+                                        0x66f (size before relaxing)
+ .debug_str     0x0000000000001b17      0x15e kernel/blk_drv/blk_drv.a(hd.o)
+                                        0x5e4 (size before relaxing)
+ .debug_str     0x0000000000001c75       0x43 kernel/blk_drv/blk_drv.a(ramdisk.o)
+                                        0x586 (size before relaxing)
+ .debug_str     0x0000000000001cb8      0x180 kernel/chr_drv/chr_drv.a(tty_io.o)
+                                        0x568 (size before relaxing)
+ .debug_str     0x0000000000001e38      0x1b9 kernel/chr_drv/chr_drv.a(console.o)
+                                        0x5b3 (size before relaxing)
+ .debug_str     0x0000000000001ff1       0x1a kernel/chr_drv/chr_drv.a(serial.o)
+                                        0x3f8 (size before relaxing)
+ .debug_str     0x000000000000200b       0x8b kernel/chr_drv/chr_drv.a(tty_ioctl.o)
+                                        0x4a3 (size before relaxing)
+ .debug_str     0x0000000000002096       0x6c kernel/math/math.a(math_emulate.o)
+                                        0x38e (size before relaxing)
+ .debug_str     0x0000000000002102       0x89 lib/lib.a(ctype.o)
+                                         0xb2 (size before relaxing)
+ .debug_str     0x000000000000218b        0x8 lib/lib.a(_exit.o)
+                                         0xf0 (size before relaxing)
  .debug_str     0x0000000000000000        0x8 lib/lib.a(open.o)
-                                         0xf7 (size before relaxing)
- .debug_str     0x000000000000219e        0x8 lib/lib.a(close.o)
-                                         0xe9 (size before relaxing)
- .debug_str     0x00000000000021a6        0x8 lib/lib.a(errno.o)
-                                         0x98 (size before relaxing)
+                                        0x100 (size before relaxing)
+ .debug_str     0x0000000000002193        0x8 lib/lib.a(close.o)
+                                         0xf2 (size before relaxing)
+ .debug_str     0x000000000000219b        0x8 lib/lib.a(errno.o)
+                                         0x8f (size before relaxing)
  .debug_str     0x0000000000000000        0x8 lib/lib.a(write.o)
-                                         0xf5 (size before relaxing)
- .debug_str     0x00000000000021ae        0x6 lib/lib.a(dup.o)
-                                         0xe1 (size before relaxing)
- .debug_str     0x00000000000021b4        0x9 lib/lib.a(setsid.o)
-                                         0xf1 (size before relaxing)
- .debug_str     0x00000000000021bd        0x9 lib/lib.a(execve.o)
+                                         0xfe (size before relaxing)
+ .debug_str     0x00000000000021a3        0x6 lib/lib.a(dup.o)
+                                         0xea (size before relaxing)
+ .debug_str     0x00000000000021a9        0x9 lib/lib.a(setsid.o)
                                          0xfa (size before relaxing)
- .debug_str     0x00000000000021c6       0x11 lib/lib.a(wait.o)
-                                        0x107 (size before relaxing)
- .debug_str     0x00000000000021d7       0x93 lib/lib.a(string.o)
-                                        0x14c (size before relaxing)
- .debug_str     0x000000000000226a       0x70 lib/lib.a(malloc.o)
-                                        0x167 (size before relaxing)
+ .debug_str     0x00000000000021b2        0x9 lib/lib.a(execve.o)
+                                        0x103 (size before relaxing)
+ .debug_str     0x00000000000021bb       0x11 lib/lib.a(wait.o)
+                                        0x110 (size before relaxing)
+ .debug_str     0x00000000000021cc       0x93 lib/lib.a(string.o)
+                                        0x143 (size before relaxing)
+ .debug_str     0x000000000000225f       0x77 lib/lib.a(malloc.o)
+                                        0x15e (size before relaxing)
 
 .debug_loc
  *(.debug_loc)
diff --git a/linux-0.11-lab/cur/linux/fs/bitmap.o b/linux-0.11-lab/cur/linux/fs/bitmap.o
index 3b6d07d..e2ff6c8 100644
Binary files a/linux-0.11-lab/cur/linux/fs/bitmap.o and b/linux-0.11-lab/cur/linux/fs/bitmap.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/block_dev.o b/linux-0.11-lab/cur/linux/fs/block_dev.o
index 2b9710f..cdf7331 100644
Binary files a/linux-0.11-lab/cur/linux/fs/block_dev.o and b/linux-0.11-lab/cur/linux/fs/block_dev.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/buffer.o b/linux-0.11-lab/cur/linux/fs/buffer.o
index 8d8f78b..fc558af 100644
Binary files a/linux-0.11-lab/cur/linux/fs/buffer.o and b/linux-0.11-lab/cur/linux/fs/buffer.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/char_dev.o b/linux-0.11-lab/cur/linux/fs/char_dev.o
index 6130f19..c7f8402 100644
Binary files a/linux-0.11-lab/cur/linux/fs/char_dev.o and b/linux-0.11-lab/cur/linux/fs/char_dev.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/exec.o b/linux-0.11-lab/cur/linux/fs/exec.o
index e491f8c..71967ca 100644
Binary files a/linux-0.11-lab/cur/linux/fs/exec.o and b/linux-0.11-lab/cur/linux/fs/exec.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/fcntl.o b/linux-0.11-lab/cur/linux/fs/fcntl.o
index 4ff00f5..c82831d 100644
Binary files a/linux-0.11-lab/cur/linux/fs/fcntl.o and b/linux-0.11-lab/cur/linux/fs/fcntl.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/file_dev.o b/linux-0.11-lab/cur/linux/fs/file_dev.o
index 98b0e26..0882992 100644
Binary files a/linux-0.11-lab/cur/linux/fs/file_dev.o and b/linux-0.11-lab/cur/linux/fs/file_dev.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/file_table.o b/linux-0.11-lab/cur/linux/fs/file_table.o
index 02bca61..e0db34e 100644
Binary files a/linux-0.11-lab/cur/linux/fs/file_table.o and b/linux-0.11-lab/cur/linux/fs/file_table.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/fs.o b/linux-0.11-lab/cur/linux/fs/fs.o
index 65e2165..b25b603 100644
Binary files a/linux-0.11-lab/cur/linux/fs/fs.o and b/linux-0.11-lab/cur/linux/fs/fs.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/inode.o b/linux-0.11-lab/cur/linux/fs/inode.o
index 843969f..37ed3bd 100644
Binary files a/linux-0.11-lab/cur/linux/fs/inode.o and b/linux-0.11-lab/cur/linux/fs/inode.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/ioctl.o b/linux-0.11-lab/cur/linux/fs/ioctl.o
index dd7e2ad..c5a5b15 100644
Binary files a/linux-0.11-lab/cur/linux/fs/ioctl.o and b/linux-0.11-lab/cur/linux/fs/ioctl.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/mysystem_call.o b/linux-0.11-lab/cur/linux/fs/mysystem_call.o
index d80fe31..8796801 100644
Binary files a/linux-0.11-lab/cur/linux/fs/mysystem_call.o and b/linux-0.11-lab/cur/linux/fs/mysystem_call.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/namei.o b/linux-0.11-lab/cur/linux/fs/namei.o
index fba9691..24adb05 100644
Binary files a/linux-0.11-lab/cur/linux/fs/namei.o and b/linux-0.11-lab/cur/linux/fs/namei.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/open.o b/linux-0.11-lab/cur/linux/fs/open.o
index 5856262..23086fd 100644
Binary files a/linux-0.11-lab/cur/linux/fs/open.o and b/linux-0.11-lab/cur/linux/fs/open.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/pipe.o b/linux-0.11-lab/cur/linux/fs/pipe.o
index e09aa4c..106606a 100644
Binary files a/linux-0.11-lab/cur/linux/fs/pipe.o and b/linux-0.11-lab/cur/linux/fs/pipe.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/read_write.o b/linux-0.11-lab/cur/linux/fs/read_write.o
index 0a151c8..b74e2a0 100644
Binary files a/linux-0.11-lab/cur/linux/fs/read_write.o and b/linux-0.11-lab/cur/linux/fs/read_write.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/select.o b/linux-0.11-lab/cur/linux/fs/select.o
index c575487..1bab67f 100644
Binary files a/linux-0.11-lab/cur/linux/fs/select.o and b/linux-0.11-lab/cur/linux/fs/select.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/stat.o b/linux-0.11-lab/cur/linux/fs/stat.o
index 6dc14f3..3d976fc 100644
Binary files a/linux-0.11-lab/cur/linux/fs/stat.o and b/linux-0.11-lab/cur/linux/fs/stat.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/super.o b/linux-0.11-lab/cur/linux/fs/super.o
index 1e6e626..25ac49b 100644
Binary files a/linux-0.11-lab/cur/linux/fs/super.o and b/linux-0.11-lab/cur/linux/fs/super.o differ
diff --git a/linux-0.11-lab/cur/linux/fs/truncate.o b/linux-0.11-lab/cur/linux/fs/truncate.o
index 062d3df..63af350 100644
Binary files a/linux-0.11-lab/cur/linux/fs/truncate.o and b/linux-0.11-lab/cur/linux/fs/truncate.o differ
diff --git a/linux-0.11-lab/cur/linux/include/all.h b/linux-0.11-lab/cur/linux/include/all.h
new file mode 100644
index 0000000..251ea6c
--- /dev/null
+++ b/linux-0.11-lab/cur/linux/include/all.h
@@ -0,0 +1,35 @@
+#ifndef __ALL_H__
+#define __ALL_H__
+
+
+struct pho {
+    long color;
+    long x;
+    long y;
+    long dx;
+    long dy;
+};
+struct user_timer{
+	long init_jiffies;
+	long jiffies;
+	int type; // 1为一次闹钟
+			  // 0为无数次闹钟
+	int pid; // 哪个进程创建的定时器
+	struct user_timer * next;
+};
+struct message{
+    long mid; 
+    long pid; //当前进程为-1
+};
+extern struct message msg_que[1024];
+extern void post_message(int type);
+
+// mid取值
+#define MSG_MOUSE_LEFT_DOWN 1
+#define MSG_MOUSE_RIGHT_DOWN 2
+#define MSG_MOUSE_CENTER_DOWN 3
+#define MSG_USER_TIMER 4
+#define TYPE_USER_TIMER_INFTY 5
+#define TYPE_USER_TIMER_ONCE 6
+
+#endif 
\ No newline at end of file
diff --git a/linux-0.11-lab/cur/linux/include/linux/sys.h b/linux-0.11-lab/cur/linux/include/linux/sys.h
index ec983c3..e5b5176 100644
--- a/linux-0.11-lab/cur/linux/include/linux/sys.h
+++ b/linux-0.11-lab/cur/linux/include/linux/sys.h
@@ -99,6 +99,7 @@ extern long sys_getcwd();
 extern int sys_init_graphics();
 extern int sys_get_message();
 extern int sys_repaint();
+extern int sys_timercreate();
 
 fn_ptr sys_call_table[] = { sys_setup, sys_exit, sys_fork, sys_read,
 sys_write, sys_open, sys_close, sys_waitpid, sys_creat, sys_link,
@@ -117,6 +118,7 @@ sys_setrlimit, sys_getrlimit, sys_getrusage, sys_gettimeofday,
 sys_settimeofday, sys_getgroups, sys_setgroups, sys_select, sys_symlink,
 sys_lstat, sys_readlink, sys_uselib, sys_execve2, sys_getdents, sys_something ,sys_sleep, sys_getcwd
 ,sys_init_graphics,sys_get_message,sys_repaint
+,sys_timercreate
 };
 
 /* So we don't have to do any more manual updating.... */
diff --git a/linux-0.11-lab/cur/linux/include/linux/tty.h b/linux-0.11-lab/cur/linux/include/linux/tty.h
index 7c59f87..9dd0704 100644
--- a/linux-0.11-lab/cur/linux/include/linux/tty.h
+++ b/linux-0.11-lab/cur/linux/include/linux/tty.h
@@ -56,15 +56,6 @@ extern struct tty_struct tty_table[];
 
 
 
-struct message{
-int mid;
-int pid;
-struct message *next;
-};
-struct message *headd;
-
-
-
 
 
 /*	intr=^C		quit=^|		erase=del	kill=^U
diff --git a/linux-0.11-lab/cur/linux/include/unistd.h b/linux-0.11-lab/cur/linux/include/unistd.h
index a816d27..7d2f37c 100644
--- a/linux-0.11-lab/cur/linux/include/unistd.h
+++ b/linux-0.11-lab/cur/linux/include/unistd.h
@@ -1,6 +1,7 @@
 #ifndef _UNISTD_H
 #define _UNISTD_H
 #include<linux/tty.h>
+#include<all.h>
 /* ok, this may be a joke, but I'm working on it */
 #define _POSIX_VERSION 198808L
 
@@ -155,6 +156,7 @@
 #define __NR_init_graphics 92
 #define __NR_get_message 93
 #define __NR_repaint 94
+#define __NR_timercreate 95
 
 #define _syscall0(type,name) \
 type name(void) \
@@ -281,9 +283,6 @@ char* getcwd(char *buf,size_t size);
 int something(void);
 int sleep(unsigned int seconds);
 int execve2(const char *path,char *argv[],char *envp[]);
-int init_graphics(void);
-int get_message(struct message *msg);
-int repaint(int x,int y,int h);
 
 #define __always_inline inline __attribute__((always_inline))
 
diff --git a/linux-0.11-lab/cur/linux/init/main.c b/linux-0.11-lab/cur/linux/init/main.c
index a491148..2c526ff 100644
--- a/linux-0.11-lab/cur/linux/init/main.c
+++ b/linux-0.11-lab/cur/linux/init/main.c
@@ -137,7 +137,10 @@ void main(void)		/* This really IS void, no error here. */
 	buffer_init(buffer_memory_end);
 	hd_init();
 	floppy_init();
-	//init_graphics();
+	/*if(init_graphics()<0)
+	printk("error 1\n");*/
+
+
 	sti();
 	move_to_user_mode();
 	if (!fork()) {		/* we count on this going ok */
diff --git a/linux-0.11-lab/cur/linux/init/main.o b/linux-0.11-lab/cur/linux/init/main.o
index cd93e81..a674bc4 100644
Binary files a/linux-0.11-lab/cur/linux/init/main.o and b/linux-0.11-lab/cur/linux/init/main.o differ
diff --git a/linux-0.11-lab/cur/linux/kernel/Makefile b/linux-0.11-lab/cur/linux/kernel/Makefile
index 08649b4..403a2a2 100644
--- a/linux-0.11-lab/cur/linux/kernel/Makefile
+++ b/linux-0.11-lab/cur/linux/kernel/Makefile
@@ -26,7 +26,7 @@ CPP	=gcc -E -nostdinc -I../include
 
 OBJS  = sched.o system_call.o traps.o asm.o fork.o \
 	panic.o printk.o vsprintf.o sys.o exit.o \
-	signal.o mktime.o init_graphics.o
+	signal.o mktime.o init_graphics.o message.o
 
 kernel.o: $(OBJS)
 	$(LD) -r -o kernel.o $(OBJS)
@@ -67,7 +67,7 @@ sched.s sched.o : sched.c ../include/linux/sched.h ../include/linux/head.h \
   ../include/linux/fs.h ../include/sys/types.h ../include/linux/mm.h \
   ../include/signal.h ../include/linux/kernel.h ../include/linux/sys.h \
   ../include/linux/fdreg.h ../include/asm/system.h ../include/asm/io.h \
-  ../include/asm/segment.h 
+  ../include/asm/segment.h ../include/all.h
 signal.s signal.o : signal.c ../include/linux/sched.h ../include/linux/head.h \
   ../include/linux/fs.h ../include/sys/types.h ../include/linux/mm.h \
   ../include/signal.h ../include/linux/kernel.h ../include/asm/segment.h 
@@ -82,4 +82,6 @@ traps.s traps.o : traps.c ../include/string.h ../include/linux/head.h \
   ../include/asm/system.h ../include/asm/segment.h ../include/asm/io.h 
 vsprintf.s vsprintf.o : vsprintf.c ../include/stdarg.h ../include/string.h 
 init_graphics.s init_graphi.o:init_graphics.c ../include/linux/kernel.h\
-../include/asm/io.h ../include/linux/tty.h
\ No newline at end of file
+../include/asm/io.h ../include/all.h ../include/asm/segment.h 
+message.s message.o:message.c ../include/linux/sched.h\
+../include/asm/segment.h ../include/all.h 
\ No newline at end of file
diff --git a/linux-0.11-lab/cur/linux/kernel/blk_drv/blk_drv.a b/linux-0.11-lab/cur/linux/kernel/blk_drv/blk_drv.a
index e527723..86085dd 100644
Binary files a/linux-0.11-lab/cur/linux/kernel/blk_drv/blk_drv.a and b/linux-0.11-lab/cur/linux/kernel/blk_drv/blk_drv.a differ
diff --git a/linux-0.11-lab/cur/linux/kernel/blk_drv/floppy.o b/linux-0.11-lab/cur/linux/kernel/blk_drv/floppy.o
index b00a291..b4871a5 100644
Binary files a/linux-0.11-lab/cur/linux/kernel/blk_drv/floppy.o and b/linux-0.11-lab/cur/linux/kernel/blk_drv/floppy.o differ
diff --git a/linux-0.11-lab/cur/linux/kernel/blk_drv/hd.o b/linux-0.11-lab/cur/linux/kernel/blk_drv/hd.o
index 07deab0..5ac5783 100644
Binary files a/linux-0.11-lab/cur/linux/kernel/blk_drv/hd.o and b/linux-0.11-lab/cur/linux/kernel/blk_drv/hd.o differ
diff --git a/linux-0.11-lab/cur/linux/kernel/blk_drv/ll_rw_blk.o b/linux-0.11-lab/cur/linux/kernel/blk_drv/ll_rw_blk.o
index 2e5378b..351cbd6 100644
Binary files a/linux-0.11-lab/cur/linux/kernel/blk_drv/ll_rw_blk.o and b/linux-0.11-lab/cur/linux/kernel/blk_drv/ll_rw_blk.o differ
diff --git a/linux-0.11-lab/cur/linux/kernel/blk_drv/ramdisk.o b/linux-0.11-lab/cur/linux/kernel/blk_drv/ramdisk.o
index a544a6a..1abb642 100644
Binary files a/linux-0.11-lab/cur/linux/kernel/blk_drv/ramdisk.o and b/linux-0.11-lab/cur/linux/kernel/blk_drv/ramdisk.o differ
diff --git a/linux-0.11-lab/cur/linux/kernel/chr_drv/Makefile b/linux-0.11-lab/cur/linux/kernel/chr_drv/Makefile
index 4a9cbeb..2342f53 100644
--- a/linux-0.11-lab/cur/linux/kernel/chr_drv/Makefile
+++ b/linux-0.11-lab/cur/linux/kernel/chr_drv/Makefile
@@ -60,7 +60,7 @@ tty_io.s tty_io.o : tty_io.c ../../include/ctype.h ../../include/errno.h \
   ../../include/linux/sched.h ../../include/linux/head.h \
   ../../include/linux/fs.h ../../include/linux/mm.h ../../include/linux/tty.h \
   ../../include/termios.h ../../include/asm/segment.h \
-  ../../include/asm/system.h 
+  ../../include/asm/system.h ../../include/all.h
 tty_ioctl.s tty_ioctl.o : tty_ioctl.c ../../include/errno.h ../../include/termios.h \
   ../../include/linux/sched.h ../../include/linux/head.h \
   ../../include/linux/fs.h ../../include/sys/types.h ../../include/linux/mm.h \
diff --git a/linux-0.11-lab/cur/linux/kernel/chr_drv/chr_drv.a b/linux-0.11-lab/cur/linux/kernel/chr_drv/chr_drv.a
index 62bd46e..16d121f 100644
Binary files a/linux-0.11-lab/cur/linux/kernel/chr_drv/chr_drv.a and b/linux-0.11-lab/cur/linux/kernel/chr_drv/chr_drv.a differ
diff --git a/linux-0.11-lab/cur/linux/kernel/chr_drv/console.o b/linux-0.11-lab/cur/linux/kernel/chr_drv/console.o
index 297a93b..fe2e56c 100644
Binary files a/linux-0.11-lab/cur/linux/kernel/chr_drv/console.o and b/linux-0.11-lab/cur/linux/kernel/chr_drv/console.o differ
diff --git a/linux-0.11-lab/cur/linux/kernel/chr_drv/serial.o b/linux-0.11-lab/cur/linux/kernel/chr_drv/serial.o
index 677f05c..0879180 100644
Binary files a/linux-0.11-lab/cur/linux/kernel/chr_drv/serial.o and b/linux-0.11-lab/cur/linux/kernel/chr_drv/serial.o differ
diff --git a/linux-0.11-lab/cur/linux/kernel/chr_drv/tty_io.c b/linux-0.11-lab/cur/linux/kernel/chr_drv/tty_io.c
index a9c34bf..c1e2e2c 100644
--- a/linux-0.11-lab/cur/linux/kernel/chr_drv/tty_io.c
+++ b/linux-0.11-lab/cur/linux/kernel/chr_drv/tty_io.c
@@ -349,7 +349,7 @@ void chr_dev_init(void)
 {
 }
 
-
+#include<all.h>
 #define MSG_MOUSE_CLICK 1
 static unsigned char mouse_input_count = 0; //用来记录是鼠标输入的第几个字节的全局变量
 static unsigned char mouse_left_down; //用来记录鼠标左键是否按下
@@ -359,17 +359,11 @@ static unsigned char mouse_down_move;//用来记录鼠标是否向下移动
 
 static int mouse_x_position; //用来记录鼠标的 x 轴位置
 static int mouse_y_position;//用来记录鼠标的 y 轴位置
-static int  fcreate=0;
-int cnt=0;
+
 extern struct message *headd;
 void readmouse(int mousecode)
 { 
 //printk("1\n");
-if(fcreate==0)
-{
-	fcreate=1;
-cnt=33;
-}
 
 //reset the condition of all mouse
 if(mousecode==0xFA || mouse_input_count>=4 )
@@ -378,10 +372,7 @@ if(mousecode==0xFA || mouse_input_count>=4 )
 return ;
 }
 
-if(cnt!=mousecode)
-{
-cnt=mousecode;
-}
+
 switch(mouse_input_count)
 {
 case 1:
@@ -394,30 +385,38 @@ case 1:
 	mouse_input_count++;
 	if(mouse_left_down==1 && mouse_left_move==0 && mouse_down_move==0)
 	{
-	struct message *msg = malloc(sizeof(struct message));
-	msg -> mid = MSG_MOUSE_CLICK;
-	msg -> pid = -1; 
-	post_message(msg);
+		#ifdef CK_DEBUG
+		printk("[readmouse]MSG_MOUSE_LEFT_DOWN\n");
+		#endif
+		post_message(MSG_MOUSE_LEFT_DOWN);
+	}
+	if (mouse_right_down)
+	{
+		#ifdef CK_DEBUG
+		printk("[readmouse]MSG_MOUSE_RIGHT_DOWN\n");
+		#endif
+		post_message(MSG_MOUSE_RIGHT_DOWN);
 	}
-
 
 	break;
 
 
 case 2:
 	//get the x of mouse
-	if(mouse_left_move) mouse_x_position +=(int)(0xFFFFFF00|mousecode);
-	if(mouse_x_position>100) mouse_x_position=100;
-	if(mouse_x_position<0) mouse_x_position=0;
+	if(mouse_left_move) 
+	mouse_x_position +=(int)(0xFFFFFF00|mousecode);
+	/*if(mouse_x_position>100) mouse_x_position=100;
+	if(mouse_x_position<0) mouse_x_position=0;*/
 	mouse_input_count++;
 	break;
 
 
 case 3:
 	//get the y of mouse
-	if(mouse_down_move) mouse_y_position +=(int)(0xFFFFFF00|mousecode);
-	if(mouse_y_position>100) mouse_y_position=100;
-	if(mouse_y_position<0) mouse_y_position=0;
+	if(mouse_down_move) 
+	mouse_y_position +=(int)(0xFFFFFF00|mousecode);
+	/*if(mouse_y_position>100) mouse_y_position=100;
+	if(mouse_y_position<0) mouse_y_position=0;*/
 	mouse_input_count++;
 	break;
 
@@ -432,25 +431,3 @@ if(mouse_input_count==4)
 }
 //sys_init_graphics();
 }
-
-void post_message(struct message * msg)
-{
-	cli();
-	//printk("mid:%d pid:%d\n",msg->mid,msg->pid);
-	if(headd==NULL&& msg!=NULL)
-	{
-		headd=msg;
-		sti();
-		return ;
-	}
-	struct message *curr=headd;
-	if(msg==NULL)return;
-	while(curr->next!=NULL) 
-	{
-	curr=curr->next;
-	}
-	curr->next=msg;
-	sti();
-	
-return;
-}
diff --git a/linux-0.11-lab/cur/linux/kernel/chr_drv/tty_io.o b/linux-0.11-lab/cur/linux/kernel/chr_drv/tty_io.o
index 2df1eb1..0f7161e 100644
Binary files a/linux-0.11-lab/cur/linux/kernel/chr_drv/tty_io.o and b/linux-0.11-lab/cur/linux/kernel/chr_drv/tty_io.o differ
diff --git a/linux-0.11-lab/cur/linux/kernel/chr_drv/tty_ioctl.o b/linux-0.11-lab/cur/linux/kernel/chr_drv/tty_ioctl.o
index 3938d9c..6d9237d 100644
Binary files a/linux-0.11-lab/cur/linux/kernel/chr_drv/tty_ioctl.o and b/linux-0.11-lab/cur/linux/kernel/chr_drv/tty_ioctl.o differ
diff --git a/linux-0.11-lab/cur/linux/kernel/exit.o b/linux-0.11-lab/cur/linux/kernel/exit.o
index 544bfce..cbe7c24 100644
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diff --git a/linux-0.11-lab/cur/linux/kernel/fork.o b/linux-0.11-lab/cur/linux/kernel/fork.o
index c000fd9..7c91941 100644
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diff --git a/linux-0.11-lab/cur/linux/kernel/init_graphics.c b/linux-0.11-lab/cur/linux/kernel/init_graphics.c
index ad5a4fe..3bf8734 100644
--- a/linux-0.11-lab/cur/linux/kernel/init_graphics.c
+++ b/linux-0.11-lab/cur/linux/kernel/init_graphics.c
@@ -1,21 +1,16 @@
 #include <linux/kernel.h>
-#include<asm/io.h>
-#include "linux/tty.h"
-#define memstart 0xA0000
-#define memsize 64000
-#define cursor_side 3
-#define width 320
-#define height 200
-#define barrier_width 10
-struct message *headd;
-static int ff=0;
+#include <asm/io.h>
+#include <all.h>
+#include <asm/segment.h>
+#define vga_graph_memstart 0xA0000
+#define vga_graph_memsize 64000
+#define cursor_side 6
+#define vga_width 320
+#define vga_heignt 200 
+
 int sys_init_graphics()
 {
-int i,j,x,y;
-    char *p=0xA0000;
-    if(ff==0)
-{
-outb(0x05,0x3CE);
+    outb(0x05,0x3CE);
     outb(0x40,0x3CF);/* shift256=1*/
     outb(0x06,0x3CE);
     outb(0x05,0x3CF);/*0101 0xA0000*/
@@ -46,60 +41,31 @@ outb(0x05,0x3CE);
     outb(0x00,0x3D5);/**/
     outb(0x0D,0x3D4);/**/
     outb(0x00,0x3D5);/*Start Address=0xA0000*/
-ff=1;
-}
     
     
 
-    p=memstart;
-    for(i=0;i<memsize;i++) *p++=3;
-//3-blue 4-red 12-purple
-
-    x=50;
-    y=40;
-    for(i=x-cursor_side;i<=x+cursor_side;i++)
-        for(j=y-cursor_side;j<=y+cursor_side;j++){
-            p=(char *) memstart+j*width+i;
-            *p=12;
-        }
+    int i;
+    char * p;
+    p = (char *)vga_graph_memstart;
+    for (i = 0; i < vga_graph_memsize; ++i)
+        *p++ = 3;
 
     return 0;
 }
 
-int sys_get_message(struct message * msg)
+int sys_repaint(struct pho * pho)
 {
-    msg=headd;
-    if(headd->mid!=1)return 0;
-    headd=headd->next;
-    return 0;
-}
-
-int sys_repaint(int x,int y,int h)
-{
-	int i,j,w;
-	char *p;
-	i=x;
-	j=y;
-	p=0xA0000;
-	w=barrier_width;
-	if(i+w>=320 || i<20 ) return 0;
-	if(i==33 || j==33){
-p=0xA0000;
-	for(i=0;i<memsize;i++) *p++=3;
-	return 0;
-	}
-	else if(i==44 || j==44 ){
-p=0xA0000;
-	for(i=0;i<memsize;i++) *p++=4;
-	return 0;
-	}else{
-	for(i=x;i<=x+w;i++){	
-		for(j=y;j<=y+h;j++){
-			p=0xA0000+j*320+i;
-			*p=12;
-		}
-		}
-}
-	
-return 0;
+	int i, j;
+    char * p;
+    long color = get_fs_long(&pho->color);
+    long x = get_fs_long(&pho->x);
+    long y = get_fs_long(&pho->y);
+    long dx = get_fs_long(&pho->dx);
+    long dy = get_fs_long(&pho->dy);
+    for (i = x; i < x+dx; ++i) if (0 <= i && i < vga_width)
+        for (j = y; j < y+dy; ++j) if (0 <= j && j < vga_heignt){
+            p = (char *)vga_graph_memstart + vga_width*j + i;
+            *p = color;
+        }
+    return 0; 
 }
diff --git a/linux-0.11-lab/cur/linux/kernel/init_graphics.o b/linux-0.11-lab/cur/linux/kernel/init_graphics.o
index 310b37e..47db0da 100644
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diff --git a/linux-0.11-lab/cur/linux/kernel/kernel.o b/linux-0.11-lab/cur/linux/kernel/kernel.o
index c75c908..72eaeb6 100644
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diff --git a/linux-0.11-lab/cur/linux/kernel/math/math.a b/linux-0.11-lab/cur/linux/kernel/math/math.a
index 2ada7fe..3a0b551 100644
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diff --git a/linux-0.11-lab/cur/linux/kernel/math/math_emulate.o b/linux-0.11-lab/cur/linux/kernel/math/math_emulate.o
index c200cb4..144cd50 100644
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diff --git a/linux-0.11-lab/cur/linux/kernel/message.c b/linux-0.11-lab/cur/linux/kernel/message.c
new file mode 100644
index 0000000..87c7456
--- /dev/null
+++ b/linux-0.11-lab/cur/linux/kernel/message.c
@@ -0,0 +1,28 @@
+#include<linux/sched.h>
+#include<asm/segment.h>
+#include<all.h>
+struct message msg_que[1024];
+unsigned int msg_que_fron = NULL, msg_que_rear = NULL;
+void post_message(int type){
+    if (msg_que_rear != msg_que_fron - 1) {
+		struct message msg;
+		msg.mid = type;
+		msg.pid = current->pid;
+		msg_que[msg_que_rear] = msg;
+		msg_que_rear = (msg_que_rear + 1) % 1024;
+	}
+}
+int sys_get_message(struct message *msg) {
+    struct message tmp;
+	if(msg_que_rear == msg_que_fron){
+		put_fs_long(-1,&msg->mid);
+		put_fs_long(-1,&msg->pid);
+		return;
+	}
+	
+	tmp = msg_que[msg_que_fron];
+	msg_que[msg_que_fron].mid = 0;
+	msg_que_fron = (msg_que_fron + 1) % 1024;;
+	put_fs_long(tmp.mid,&msg->mid);
+	put_fs_long(current->pid,&msg->pid);
+}
\ No newline at end of file
diff --git a/linux-0.11-lab/cur/linux/kernel/message.o b/linux-0.11-lab/cur/linux/kernel/message.o
new file mode 100644
index 0000000..7ebd177
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diff --git a/linux-0.11-lab/cur/linux/kernel/mktime.o b/linux-0.11-lab/cur/linux/kernel/mktime.o
index b0510fc..6bec513 100644
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diff --git a/linux-0.11-lab/cur/linux/kernel/panic.o b/linux-0.11-lab/cur/linux/kernel/panic.o
index 3422c39..8c9e719 100644
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diff --git a/linux-0.11-lab/cur/linux/kernel/printk.o b/linux-0.11-lab/cur/linux/kernel/printk.o
index 544e847..9955ac0 100644
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diff --git a/linux-0.11-lab/cur/linux/kernel/sched.c b/linux-0.11-lab/cur/linux/kernel/sched.c
index 15d839b..b799663 100644
--- a/linux-0.11-lab/cur/linux/kernel/sched.c
+++ b/linux-0.11-lab/cur/linux/kernel/sched.c
@@ -302,11 +302,65 @@ void add_timer(long jiffies, void (*fn)(void))
 	sti();
 }
 
+#include <all.h>
+
+
+struct user_timer * user_timer_list = NULL;
+
+int sys_timercreate(long ms, int type)
+{
+	struct user_timer * timer = malloc(sizeof(struct user_timer));
+	long jiffies = ms / 10;
+	timer->jiffies = timer->init_jiffies = jiffies;
+	timer->pid = current->pid;
+	timer->type = type;
+	timer->next = user_timer_list;
+	user_timer_list = timer;
+	return 0;
+}
+
 void do_timer(long cpl)
 {
 	extern int beepcount;
 	extern void sysbeepstop(void);
 
+	struct user_timer * timer = user_timer_list;
+	struct user_timer * prev = NULL;
+	while(timer != NULL)
+	{
+		if ((--timer->jiffies) <= 0) {
+			post_message(MSG_USER_TIMER);
+			switch(timer->type) {
+			case TYPE_USER_TIMER_INFTY: 
+				timer->jiffies = timer->init_jiffies;
+				prev = timer;
+				timer = timer->next;
+				break;
+			case TYPE_USER_TIMER_ONCE: 
+				if (prev == NULL) {
+					free(timer);
+					timer = NULL;
+					user_timer_list = NULL;
+				}
+				else {
+					prev->next = timer->next;
+					free(timer);
+					timer = prev->next;
+				}
+				break;
+			default:
+				break;
+			}
+		}
+		else
+		{
+			prev = timer;
+			timer = timer->next;
+		}
+	}
+
+
+
 	if (beepcount)
 		if (!--beepcount)
 			sysbeepstop();
diff --git a/linux-0.11-lab/cur/linux/kernel/sched.o b/linux-0.11-lab/cur/linux/kernel/sched.o
index 24e814b..fb88973 100644
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diff --git a/linux-0.11-lab/cur/linux/kernel/signal.o b/linux-0.11-lab/cur/linux/kernel/signal.o
index 1a2ae45..e61cc19 100644
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diff --git a/linux-0.11-lab/cur/linux/kernel/sys.o b/linux-0.11-lab/cur/linux/kernel/sys.o
index 4b02759..3907f49 100644
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diff --git a/linux-0.11-lab/cur/linux/kernel/system_call.o b/linux-0.11-lab/cur/linux/kernel/system_call.o
index 2264a35..fa80347 100644
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diff --git a/linux-0.11-lab/cur/linux/kernel/system_call.s b/linux-0.11-lab/cur/linux/kernel/system_call.s
index bcedd45..9dab7b8 100644
--- a/linux-0.11-lab/cur/linux/kernel/system_call.s
+++ b/linux-0.11-lab/cur/linux/kernel/system_call.s
@@ -58,7 +58,7 @@ sa_mask = 4
 sa_flags = 8
 sa_restorer = 12
 
-nr_system_calls = 96  /* 72 the number of system*/
+nr_system_calls =97  /* 72 the number of system*/
 
 /*
  * Ok, I get parallel printer interrupts while using the floppy for some
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