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栗端宇 4 years ago
parent 2a8b5a5b77
commit f07876d09e
23 changed files with 2056 additions and 1816 deletions
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@ -145,443 +145,444 @@
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00022be0 b par 00022e88 b npar
00022c20 b ques 00022ea0 b par
00022c24 b saved_x 00022ee0 b ques
00022c28 b saved_y 00022ee4 b saved_x
00022c40 B drive_info 00022ee8 b saved_y
00022c60 B user_stack 00022f00 B drive_info
00023c60 B hash_table 00022f20 B user_stack
00024140 B super_block 00023f20 B hash_table
000244a0 B file_table 00024400 B super_block
000248a0 B request 00024760 B file_table
00024d20 B rd_start 00024b60 B request
00024d24 B _ctmp 00024fe0 B rd_start
00024d28 B errno 00024fe4 B _ctmp
00024d2c B ___strtok 00024fe8 B errno
00024d30 B end 00024fec B ___strtok
00024d30 B _end 00024ff0 B end
00024ff0 B _end

923
linux-0.11-lab/0/linux/System.map.2
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linux-0.11-lab/0/linux/fs/fs.o
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linux-0.11-lab/0/linux/fs/namei.c
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@ -781,3 +781,113 @@ int sys_link(const char * oldname, const char * newname)
iput(oldinode); iput(oldinode);
return 0; return 0;
} }
// char* sys_getcwd(char * buf, size_t size){
// char *dir [20];
// char * rd;
// struct buffer_head *bh;
// struct dir_entry *dr;
// struct m_inode *node;
// int i=0;
// int j,k1,k2;
// int the_last_node;
// char word;
// bh=bread(current->root->i_dev,current->pwd->i_zone[0]);
// dr=(struct dir_entry *)(bh->b_data);
// node=current->pwd;
// while(i>=0){
// the_last_node=dr->inode;
// node=iget(current->root->i_dev,(dr+1)->inode);
// bh=bread(current->root->i_dev,node->i_zone[0]);
// dr=(struct dir_entry *)(bh->b_data);
// j=2;
// while(dr->name[0]!='\0'){
// if((dr+j)->inode==the_last_node) break;
// j++;
// }
// if((dr+j)->name[0]=='\0') break;
// dir[i]=(dr+j)->name;
// i++;
// }
// dir[i]=NULL;
// i--;
// j=0;
// rd[0]='/';
// k1=1;
// while (i>=0)
// {
// k2=0;
// while(dir[i][k2]!='\0'){
// rd[k1]=dir[i][k2];
// k1++;
// k2++;
// }
// if(i==0) break;
// rd[k1]='/';
// k1++;
// i--;
// }
// i=0;
// while(i<=k1)
// {
// word=rd[i];
// put_fs_byte(word,(char*)(buf+i));
// i++;
// }
// return rd;
// }
char *sys_getcwd(char *buf, size_t size)
{
char *dir[20];
char *rd;
struct buffer_head *bh = bread(current->root->i_dev, current->pwd->i_zone[0]);
struct dir_entry *dr = (struct dir_entry *)(bh->b_data);
struct m_inode *node = current->pwd;
int i = 0;
while (i >= 0)
{
int last_node=dr->inode;
node = iget(current->root->i_dev, (dr + 1)->inode);
bh = bread(current->root->i_dev, node->i_zone[0]);
dr = (struct dir_entry *)(bh->b_data);
int j = 2;
while (dr->name[0] != '\0')
{
if ((dr + j)->inode == last_node)
break;
j++;
}
if ((dr + j)->name[0] == '\0')
break;
dir[i] = (dr + j)->name;
i++;
}
dir[i--] = NULL;
rd[0] = '/';
int k1 = 1;
int k2;
for (; i >= 0; i--)
{
k2 = 0;
while (dir[i][k2] != '\0')
{
rd[k1] = dir[i][k2];
k1++;
k2++;
}
if (i == 0)
break;
rd[k1] = '/';
k1++;
}
char word;
for (i = 0; i <= k1; i++)
{
word = rd[i];
put_fs_byte(word, (char *)(buf + i));
}
return rd;
}

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linux-0.11-lab/0/linux/fs/namei.o
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linux-0.11-lab/0/linux/kernel/kernel.o
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linux-0.11-lab/0/linux/kernel/sys.c
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@ -424,10 +424,7 @@ unsigned int sys_sleep(unsigned int second)
} }
int sys_getcwd(char * buf, size_t size)
{
return -ENOSYS;
}
int sys_mmap(void *start, size_t len, int prot, int flags, int sys_mmap(void *start, size_t len, int prot, int flags,
int fd, off_t off) int fd, off_t off)
{ {

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linux-0.11-lab/0/linux/kernel/sys.o
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34
linux-0.11-lab/bochsout.txt
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@ -31,7 +31,7 @@
00000000000i[ ] Sound support: no 00000000000i[ ] Sound support: no
00000000000i[ ] USB support: no 00000000000i[ ] USB support: no
00000000000i[ ] VGA extension support: vbe 00000000000i[ ] VGA extension support: vbe
00000000000i[MEM0 ] allocated memory at 0xb5911008. after alignment, vector=0xb5912000 00000000000i[MEM0 ] allocated memory at 0xb589a008. after alignment, vector=0xb589b000
00000000000i[MEM0 ] 16.00MB 00000000000i[MEM0 ] 16.00MB
00000000000i[MEM0 ] mem block size = 0x00020000, blocks=128 00000000000i[MEM0 ] mem block size = 0x00020000, blocks=128
00000000000i[MEM0 ] rom at 0xfffe0000/131072 ('/usr/local/share/bochs/BIOS-bochs-latest') 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[DEV ] PIIX3 PCI-to-ISA bridge present at device 1, function 0
00000000000i[PLUGIN] init_dev of 'cmos' plugin device by virtual method 00000000000i[PLUGIN] init_dev of 'cmos' plugin device by virtual method
00000000000i[CMOS ] Using local time for initial clock 00000000000i[CMOS ] Using local time for initial clock
00000000000i[CMOS ] Setting initial clock to: Thu Jul 8 12:34:42 2021 (time0=1625744082) 00000000000i[CMOS ] Setting initial clock to: Thu Jul 8 15:21:54 2021 (time0=1625754114)
00000000000i[PLUGIN] init_dev of 'dma' plugin device by virtual method 00000000000i[PLUGIN] init_dev of 'dma' plugin device by virtual method
00000000000i[DMA ] channel 4 used by cascade 00000000000i[DMA ] channel 4 used by cascade
00000000000i[PLUGIN] init_dev of 'pic' plugin device by virtual method 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[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 : 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 ] 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.ul6Vj4' 00000000000i[IMG ] 'vvfat' disk opened: directory is 'b/', redolog is 'b//vvfat.dir.hqCtLg'
00000000000i[FLOPPY] fd1: 'vvfat:b/' ro=0, h=2,t=80,spt=18 00000000000i[FLOPPY] fd1: 'vvfat:b/' ro=0, h=2,t=80,spt=18
00000000000i[FLOPPY] Using boot sequence floppy, none, none 00000000000i[FLOPPY] Using boot sequence floppy, none, none
00000000000i[FLOPPY] Floppy boot signature check is enabled 00000000000i[FLOPPY] Floppy boot signature check is enabled
@ -185,12 +185,11 @@
00001647811i[BXVGA ] VBE known Display Interface b0c0 00001647811i[BXVGA ] VBE known Display Interface b0c0
00001647843i[BXVGA ] VBE known Display Interface b0c5 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 $ 00001650768i[VBIOS ] VBE Bios $Id: vbe.c,v 1.64 2011/07/19 18:25:05 vruppert Exp $
00001760340i[XGUI ] charmap update. Font is 9 x 16
00001995095i[BIOS ] ata0-0: PCHS=512/2/20 translation=none LCHS=512/2/20 00001995095i[BIOS ] ata0-0: PCHS=512/2/20 translation=none LCHS=512/2/20
00002450910i[XGUI ] charmap update. Font is 9 x 16
00005872002i[BIOS ] IDE time out 00005872002i[BIOS ] IDE time out
00051753881i[BIOS ] Booting from 0000:7c00 00051753881i[BIOS ] Booting from 0000:7c00
00095955866i[FLOPPY] partial read() on floppy image returns 4/512 00096122531i[FLOPPY] partial read() on floppy image returns 196/512
00096122531i[FLOPPY] read() on floppy image returns 0
00096289196i[FLOPPY] read() on floppy image returns 0 00096289196i[FLOPPY] read() on floppy image returns 0
00096455861i[FLOPPY] read() on floppy image returns 0 00096455861i[FLOPPY] read() on floppy image returns 0
00096623572i[FLOPPY] read() on floppy image returns 0 00096623572i[FLOPPY] read() on floppy image returns 0
@ -313,3 +312,26 @@
00116129682i[FLOPPY] read() on floppy image returns 0 00116129682i[FLOPPY] read() on floppy image returns 0
00116296347i[FLOPPY] read() on floppy image returns 0 00116296347i[FLOPPY] read() on floppy image returns 0
00116467321i[BIOS ] int13_harddisk: function 15, unmapped device for ELDL=81 00116467321i[BIOS ] int13_harddisk: function 15, unmapped device for ELDL=81
00315090000p[XGUI ] >>PANIC<< POWER button turned off.
00315090000i[CPU0 ] CPU is in protected mode (active)
00315090000i[CPU0 ] CS.mode = 32 bit
00315090000i[CPU0 ] SS.mode = 32 bit
00315090000i[CPU0 ] EFER = 0x00000000
00315090000i[CPU0 ] | EAX=00000000 EBX=00090080 ECX=0001d1c0 EDX=00000020
00315090000i[CPU0 ] | ESP=0001e16c EBP=00023f0c ESI=000900a0 EDI=00022f20
00315090000i[CPU0 ] | IOPL=0 id vip vif ac vm rf nt of df IF tf sf zf af PF cf
00315090000i[CPU0 ] | SEG sltr(index|ti|rpl) base limit G D
00315090000i[CPU0 ] | CS:0008( 0001| 0| 0) 00000000 00ffffff 1 1
00315090000i[CPU0 ] | DS:0010( 0002| 0| 0) 00000000 00ffffff 1 1
00315090000i[CPU0 ] | SS:0010( 0002| 0| 0) 00000000 00ffffff 1 1
00315090000i[CPU0 ] | ES:0010( 0002| 0| 0) 00000000 00ffffff 1 1
00315090000i[CPU0 ] | FS:0017( 0002| 1| 3) 00000000 0009ffff 1 1
00315090000i[CPU0 ] | GS:0017( 0002| 1| 3) 00000000 0009ffff 1 1
00315090000i[CPU0 ] | EIP=00006d3d (00006d3d)
00315090000i[CPU0 ] | CR0=0x8000001b CR2=0x08038000
00315090000i[CPU0 ] | CR3=0x00000000 CR4=0x00000000
00315090000i[CPU0 ] 0x00006d3d>> mov eax, dword ptr ss:[esp+16] : 8B442410
00315090000i[CMOS ] Last time is 1625754135 (Thu Jul 8 15:22:15 2021)
00315090000i[XGUI ] Exit
00315090000i[ ] restoring default signal behavior
00315090000i[SIM ] quit_sim called with exit code 1

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linux-0.11-lab/cur/linux/Image
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881
linux-0.11-lab/cur/linux/System.map
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@ -145,443 +145,444 @@
00009740 T sys_getdents 00009740 T sys_getdents
000098d5 T sys_pipe2 000098d5 T sys_pipe2
00009ad7 T sys_sleep 00009ad7 T sys_sleep
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00009b16 T sys_mmap 00009b16 T sys_munmap
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00009b66 T release 00009bc4 t send_sig
00009bca t send_sig 00009c43 t kill_session
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00009ca3 T sys_kill 00009e4d t tell_father
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0000a376 t put_fs_long 0000a37c T sys_sgetmask
0000a382 T sys_sgetmask 0000a388 T sys_ssetmask
0000a38e T sys_ssetmask 0000a3b4 T sys_sigpending
0000a3ba T sys_sigpending 0000a3ba T sys_sigsuspend
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00013cfa t result 00013f27 t output_byte
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000145c8 t unlock_buffer 00014819 T floppy_init
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00014a4f t controller_ready 0001493f T sys_setup
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00014c36 t reset_controller 00014e73 t drive_busy
00014cb3 t reset_hd 00014ed9 t reset_controller
00014d4b T unexpected_hd_interrupt 00014f56 t reset_hd
00014d5e t bad_rw_intr 00014fee T unexpected_hd_interrupt
00014d9c t read_intr 00015001 t bad_rw_intr
00014ec2 t recal_intr 0001503f t read_intr
00014edc t do_hd_request 00015165 t recal_intr
000151dd T hd_init 0001517f t do_hd_request
00015257 t unlock_buffer 00015480 T hd_init
0001528c t end_request 000154fa t unlock_buffer
0001532b t do_rd_request 0001552f t end_request
00015461 T rd_init 000155ce t do_rd_request
000154b7 T rd_load 00015704 T rd_init
00015763 t get_fs_byte 0001575a T rd_load
00015771 t put_fs_byte 00015a06 t get_fs_byte
00015789 T tty_init 00015a14 t put_fs_byte
0001579a T tty_intr 00015a2c T tty_init
0001580e t sleep_if_empty 00015a3d T tty_intr
00015846 t sleep_if_full 00015ab1 t sleep_if_empty
000158ba T copy_to_cooked 00015ae9 t sleep_if_full
00015e75 T tty_read 00015b5d T copy_to_cooked
000161e3 T tty_write 00016118 T tty_read
000163f5 T do_tty_interrupt 00016486 T tty_write
0001641d T chr_dev_init 00016698 T do_tty_interrupt
0001641e t gotoxy 000166c0 T chr_dev_init
0001646c t set_origin 000166c1 t gotoxy
000164d2 t scrup 0001670f t set_origin
000166c2 t scrdown 00016775 t scrup
000167b9 t lf 00016965 t scrdown
000167ef t ri 00016a5c t lf
00016825 t cr 00016a92 t ri
00016846 t del 00016ac8 t cr
00016878 t csi_J 00016ae9 t del
00016909 t csi_K 00016b1b t csi_J
000169bb T csi_m 00016bac t csi_K
00016a22 t set_cursor 00016c5e T csi_m
00016a88 t respond 00016cc5 t set_cursor
00016ae0 t insert_char 00016d2b t respond
00016b43 t insert_line 00016d83 t insert_char
00016b87 t delete_char 00016de6 t insert_line
00016be5 t delete_line 00016e2a t delete_char
00016c29 t csi_at 00016e88 t delete_line
00016c67 t csi_L 00016ecc t csi_at
00016ca5 t csi_P 00016f0a t csi_L
00016ce3 t csi_M 00016f48 t csi_P
00016d21 t save_cur 00016f86 t csi_M
00016d36 t restore_cur 00016fc4 t save_cur
00016d55 T con_write 00016fd9 t restore_cur
000173e3 T con_init 00016ff8 T con_write
0001761a T sysbeepstop 00017686 T con_init
00017643 t sysbeep 000178bd T sysbeepstop
000176a1 t mode 000178e6 t sysbeep
000176a2 t leds 00017944 t mode
000176a3 t e0 00017945 t leds
000176a4 T keyboard_interrupt 00017946 t e0
000176cd t e0_e1 00017947 T keyboard_interrupt
000176f8 t set_e0 00017970 t e0_e1
00017701 t set_e1 0001799b t set_e0
0001770a t put_queue 000179a4 t set_e1
00017743 t ctrl 000179ad t put_queue
0001775b t unctrl 000179e6 t ctrl
0001775f t unalt 000179fe t unctrl
00017775 t lshift 00017a02 t unalt
0001777d t unlshift 00017a18 t lshift
00017785 t rshift 00017a20 t unlshift
0001778d t unrshift 00017a28 t rshift
00017795 t caps 00017a30 t unrshift
000177b7 t set_leds 00017a38 t caps
000177cd t uncaps 00017a5a t set_leds
000177d5 t scroll 00017a70 t uncaps
000177de t num 00017a78 t scroll
000177e7 t cursor 00017a81 t num
00017807 t cur2 00017a8a t cursor
00017830 t cur 00017aaa t cur2
0001783c t ok_cur 00017ad3 t cur
0001784a t num_table 00017adf t ok_cur
00017857 t cur_table 00017aed t num_table
00017864 t func 00017afa t cur_table
00017881 t ok_func 00017b07 t func
00017894 t end_func 00017b24 t ok_func
00017895 t func_table 00017b37 t end_func
000178c5 t key_map 00017b38 t func_table
00017926 t shift_map 00017b68 t key_map
000179e8 t do_self 00017bc9 t shift_map
00017a50 t none 00017c8b t do_self
00017a51 t minus 00017cf3 t none
00017a66 t key_table 00017cf4 t minus
00017e66 t kb_wait 00017d09 t key_table
00017e6f t reboot 00018109 t kb_wait
00017e81 t die 00018112 t reboot
00017e83 t init 00018124 t die
00017ef8 T rs_init 00018126 t init
00017f7b T rs_write 0001819b T rs_init
00017fc8 T rs1_interrupt 0001821e T rs_write
00017fd0 T rs2_interrupt 0001826c T rs1_interrupt
00017fd5 t rs_int 00018274 T rs2_interrupt
00017fec t rep_int 00018279 t rs_int
00018009 t end 00018290 t rep_int
00018017 t jmp_table 000182ad t end
00018028 t modem_status 000182bb t jmp_table
00018030 t line_status 000182cc t modem_status
00018038 t read_char 000182d4 t line_status
000180bf t get_fs_byte 000182dc t read_char
000180cd t get_fs_long 00018363 t get_fs_byte
000180e3 t put_fs_byte 00018371 t get_fs_long
000180fb t put_fs_long 00018387 t put_fs_byte
00018107 t change_speed 0001839f t put_fs_long
00018185 t flush 000183ab t change_speed
00018197 t send_break 00018429 t flush
00018198 t get_termios 0001843b t send_break
000181f4 t set_termios 0001843c t get_termios
00018244 t get_termio 00018498 t set_termios
0001830c t set_termio 000184e8 t get_termio
000183d0 T tty_ioctl 000185b0 t set_termio
000186ce t get_fs_byte 00018674 T tty_ioctl
000186dc T math_emulate 00018972 t get_fs_byte
000187bf T math_error 00018980 T math_emulate
000187df T _exit 00018a63 T math_error
000187ef T open 00018a83 T _exit
00018838 T close 00018a93 T open
000188ac T dup 00018adc T close
000188e3 T setsid 00018b50 T dup
00018912 T execve 00018b87 T setsid
000189af T strcpy 00018bb6 T execve
000189cb T strncpy 00018c53 T strcpy
000189f0 T strcat 00018c6f T strncpy
00018a1b T strncat 00018c94 T strcat
00018a50 T strcmp 00018cbf T strncat
00018a77 T strncmp 00018cf4 T strcmp
00018aa5 T strchr 00018d1b T strncmp
00018ad2 T strrchr 00018d49 T strchr
00018b01 T strspn 00018d76 T strrchr
00018b3e T strcspn 00018da5 T strspn
00018b7b T strpbrk 00018de2 T strcspn
00018bb2 T strstr 00018e1f T strpbrk
00018beb T strlen 00018e56 T strstr
00018c0e T strtok 00018e8f T strlen
00018c91 T memcpy 00018eb2 T strtok
00018cb1 T memmove 00018f35 T memcpy
00018d05 T memcmp 00018f55 T memmove
00018d2f T memchr 00018fa9 T memcmp
00018d67 T memset 00018fd3 T memchr
0001cd48 d envp_rc 0001900b T memset
0001cd5c d envp 0001d008 d envp_rc
0001cd80 D sys_call_table 0001d01c d envp
0001cefc D NR_syscalls 0001d040 D sys_call_table
0001cf00 d init_task 0001d1bc D NR_syscalls
0001df00 D current 0001d1c0 d init_task
0001df20 D task 0001e1c0 D current
0001e020 D stack_start 0001e1e0 D task
0001e028 D current_DOR 0001e2e0 D stack_start
0001e040 d thisname.2124 0001e2e8 D current_DOR
0001e080 d month 0001e300 d thisname.2124
0001e0c0 d last_inode.1935 0001e340 d month
0001e0c4 D start_buffer 0001e380 d last_inode.1935
0001e0e0 d crw_table 0001e384 D start_buffer
0001e100 d ioctl_table 0001e3a0 d crw_table
0001e120 d floppy_type 0001e3c0 d ioctl_table
0001e1e0 d cur_spec1 0001e3e0 d floppy_type
0001e1e4 d cur_rate 0001e4a0 d cur_spec1
0001e1e8 d floppy 0001e4a4 d cur_rate
0001e1ec d current_track 0001e4a8 d floppy
0001e1f0 d callable.1844 0001e4ac d current_track
0001e200 D tty_table 0001e4b0 d callable.1844
00020720 D table_list 0001e4c0 D tty_table
00020740 d quotient 000209e0 D table_list
00020760 D _ctype 00020a00 d quotient
00020861 B __bss_start 00020a20 D _ctype
00020861 D _edata 00020b21 B __bss_start
00020880 b printbuf 00020b21 D _edata
00020c80 b memory_end 00020b40 b printbuf
00020c84 b buffer_memory_end 00020f40 b memory_end
00020c88 b main_memory_start 00020f44 b buffer_memory_end
00020ca0 B jiffies 00020f48 b main_memory_start
00020ca4 B startup_time 00020f60 B jiffies
00020ca8 B last_task_used_math 00020f64 B startup_time
00020cbc b mon_timer 00020f68 B last_task_used_math
00020ccc b moff_timer 00020f7c b mon_timer
00020ce0 b timer_list 00020f8c b moff_timer
00020fe0 b next_timer 00020fa0 b timer_list
00020fe4 B last_pid 000212a0 b next_timer
00021000 b buf 000212a4 B last_pid
00021400 b HIGH_MEMORY 000212c0 b buf
00021420 b mem_map 000216c0 b HIGH_MEMORY
00022320 B inode_table 000216e0 b mem_map
00022a20 B nr_buffers 000225e0 B inode_table
00022a24 b free_list 00022ce0 B nr_buffers
00022a28 b buffer_wait 00022ce4 b free_list
00022a2c B ROOT_DEV 00022ce8 b buffer_wait
00022a60 B blk_dev 00022cec B ROOT_DEV
00022a98 B do_floppy 00022d20 B blk_dev
00022a9c B selected 00022d58 B do_floppy
00022aa4 b recalibrate 00022d5c B selected
00022aa8 b reset 00022d64 b recalibrate
00022aac b seek 00022d68 b reset
00022ab0 b reply_buffer 00022d6c b seek
00022ab7 b current_drive 00022d70 b reply_buffer
00022ab8 b sector 00022d77 b current_drive
00022ab9 b head 00022d78 b sector
00022aba b track 00022d79 b head
00022abb b seek_track 00022d7a b track
00022abc b command 00022d7b b seek_track
00022ac0 B do_hd 00022d7c b command
00022ae0 B hd_info 00022d80 B do_hd
00022b10 b recalibrate 00022da0 B hd_info
00022b14 b reset 00022dd0 b recalibrate
00022b18 b NR_HD 00022dd4 b reset
00022b20 b hd 00022dd8 b NR_HD
00022b70 B rd_length 00022de0 b hd
00022b74 b cr_flag.1923 00022e30 B rd_length
00022b80 B beepcount 00022e34 b cr_flag.1923
00022b84 b video_type 00022e40 B beepcount
00022b88 b video_num_columns 00022e44 b video_type
00022b8c b video_size_row 00022e48 b video_num_columns
00022b90 b video_num_lines 00022e4c b video_size_row
00022b94 b video_page 00022e50 b video_num_lines
00022b98 b video_mem_start 00022e54 b video_page
00022b9c b video_mem_end 00022e58 b video_mem_start
00022ba0 b video_port_reg 00022e5c b video_mem_end
00022ba2 b video_port_val 00022e60 b video_port_reg
00022ba4 b video_erase_char 00022e62 b video_port_val
00022ba8 b origin 00022e64 b video_erase_char
00022bac b scr_end 00022e68 b origin
00022bb0 b pos 00022e6c b scr_end
00022bb4 b x 00022e70 b pos
00022bb8 b y 00022e74 b x
00022bbc b top 00022e78 b y
00022bc0 b bottom 00022e7c b top
00022bc4 b state 00022e80 b bottom
00022bc8 b npar 00022e84 b state
00022be0 b par 00022e88 b npar
00022c20 b ques 00022ea0 b par
00022c24 b saved_x 00022ee0 b ques
00022c28 b saved_y 00022ee4 b saved_x
00022c40 B drive_info 00022ee8 b saved_y
00022c60 B user_stack 00022f00 B drive_info
00023c60 B hash_table 00022f20 B user_stack
00024140 B super_block 00023f20 B hash_table
000244a0 B file_table 00024400 B super_block
000248a0 B request 00024760 B file_table
00024d20 B rd_start 00024b60 B request
00024d24 B _ctmp 00024fe0 B rd_start
00024d28 B errno 00024fe4 B _ctmp
00024d2c B ___strtok 00024fe8 B errno
00024d30 B end 00024fec B ___strtok
00024d30 B _end 00024ff0 B end
00024ff0 B _end

923
linux-0.11-lab/cur/linux/System.map.2
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linux-0.11-lab/cur/linux/fs/fs.o
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linux-0.11-lab/cur/linux/fs/namei.c
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@ -781,3 +781,113 @@ int sys_link(const char * oldname, const char * newname)
iput(oldinode); iput(oldinode);
return 0; return 0;
} }
// char* sys_getcwd(char * buf, size_t size){
// char *dir [20];
// char * rd;
// struct buffer_head *bh;
// struct dir_entry *dr;
// struct m_inode *node;
// int i=0;
// int j,k1,k2;
// int the_last_node;
// char word;
// bh=bread(current->root->i_dev,current->pwd->i_zone[0]);
// dr=(struct dir_entry *)(bh->b_data);
// node=current->pwd;
// while(i>=0){
// the_last_node=dr->inode;
// node=iget(current->root->i_dev,(dr+1)->inode);
// bh=bread(current->root->i_dev,node->i_zone[0]);
// dr=(struct dir_entry *)(bh->b_data);
// j=2;
// while(dr->name[0]!='\0'){
// if((dr+j)->inode==the_last_node) break;
// j++;
// }
// if((dr+j)->name[0]=='\0') break;
// dir[i]=(dr+j)->name;
// i++;
// }
// dir[i]=NULL;
// i--;
// j=0;
// rd[0]='/';
// k1=1;
// while (i>=0)
// {
// k2=0;
// while(dir[i][k2]!='\0'){
// rd[k1]=dir[i][k2];
// k1++;
// k2++;
// }
// if(i==0) break;
// rd[k1]='/';
// k1++;
// i--;
// }
// i=0;
// while(i<=k1)
// {
// word=rd[i];
// put_fs_byte(word,(char*)(buf+i));
// i++;
// }
// return rd;
// }
char *sys_getcwd(char *buf, size_t size)
{
char *dir[20];
char *rd;
struct buffer_head *bh = bread(current->root->i_dev, current->pwd->i_zone[0]);
struct dir_entry *dr = (struct dir_entry *)(bh->b_data);
struct m_inode *node = current->pwd;
int i = 0;
while (i >= 0)
{
int last_node=dr->inode;
node = iget(current->root->i_dev, (dr + 1)->inode);
bh = bread(current->root->i_dev, node->i_zone[0]);
dr = (struct dir_entry *)(bh->b_data);
int j = 2;
while (dr->name[0] != '\0')
{
if ((dr + j)->inode == last_node)
break;
j++;
}
if ((dr + j)->name[0] == '\0')
break;
dir[i] = (dr + j)->name;
i++;
}
dir[i--] = NULL;
rd[0] = '/';
int k1 = 1;
int k2;
for (; i >= 0; i--)
{
k2 = 0;
while (dir[i][k2] != '\0')
{
rd[k1] = dir[i][k2];
k1++;
k2++;
}
if (i == 0)
break;
rd[k1] = '/';
k1++;
}
char word;
for (i = 0; i <= k1; i++)
{
word = rd[i];
put_fs_byte(word, (char *)(buf + i));
}
return rd;
}

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linux-0.11-lab/cur/linux/fs/namei.o
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linux-0.11-lab/cur/linux/kernel/kernel.o
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5
linux-0.11-lab/cur/linux/kernel/sys.c
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@ -424,10 +424,7 @@ unsigned int sys_sleep(unsigned int second)
} }
int sys_getcwd(char * buf, size_t size)
{
return -ENOSYS;
}
int sys_mmap(void *start, size_t len, int prot, int flags, int sys_mmap(void *start, size_t len, int prot, int flags,
int fd, off_t off) int fd, off_t off)
{ {

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linux-0.11-lab/cur/linux/kernel/sys.o
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linux-0.11-lab/cur/linux/tools/system
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linux-0.11-lab/images/rootimage-0.11
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0
linux-0.11-lab/images/rootimage-0.11.lock
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