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105 lines
2.8 KiB
105 lines
2.8 KiB
2 years ago
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#ifndef _SPIKE_HTIF_H_
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#define _SPIKE_HTIF_H_
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#include <stdint.h>
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#include "util/types.h"
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#if __riscv_xlen == 64
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#define TOHOST_CMD(dev, cmd, payload) \
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(((uint64_t)(dev) << 56) | ((uint64_t)(cmd) << 48) | (uint64_t)(payload))
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#else
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#define TOHOST_CMD(dev, cmd, payload) \
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({ \
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if ((dev) || (cmd)) __builtin_trap(); \
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(payload); \
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})
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#endif
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#define FROMHOST_DEV(fromhost_value) ((uint64_t)(fromhost_value) >> 56)
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#define FROMHOST_CMD(fromhost_value) ((uint64_t)(fromhost_value) << 8 >> 56)
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#define FROMHOST_DATA(fromhost_value) ((uint64_t)(fromhost_value) << 16 >> 16)
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// HTIF Syscalls
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#define HTIFSYS_init_memsize 81
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#define HTIFSYS_sema_down 82
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#define HTIFSYS_sema_up 83
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#define HTIFSYS_exit 93
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#define HTIFSYS_exit_group 94
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#define HTIFSYS_getpid 172
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#define HTIFSYS_kill 129
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#define HTIFSYS_read 63
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#define HTIFSYS_write 64
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#define HTIFSYS_openat 56
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#define HTIFSYS_close 57
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#define HTIFSYS_lseek 62
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#define HTIFSYS_brk 214
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#define HTIFSYS_linkat 37
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#define HTIFSYS_unlinkat 35
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#define HTIFSYS_wait 3
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#define HTIFSYS_mkdirat 34
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#define HTIFSYS_renameat 38
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#define HTIFSYS_chdir 49
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#define HTIFSYS_getcwd 17
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#define HTIFSYS_fstat 80
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#define HTIFSYS_fstatat 79
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#define HTIFSYS_faccessat 48
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#define HTIFSYS_pread 67
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#define HTIFSYS_pwrite 68
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#define HTIFSYS_uname 160
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#define HTIFSYS_fork 170
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#define HTIFSYS_wait 3
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#define HTIFSYS_getuid 174
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#define HTIFSYS_geteuid 175
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#define HTIFSYS_getgid 176
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#define HTIFSYS_getegid 177
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#define HTIFSYS_mmap 222
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#define HTIFSYS_munmap 215
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#define HTIFSYS_mremap 216
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#define HTIFSYS_mprotect 226
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#define HTIFSYS_prlimit64 261
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#define HTIFSYS_getmainvars 2011
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#define HTIFSYS_rt_sigaction 134
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#define HTIFSYS_writev 66
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#define HTIFSYS_gettimeofday 169
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#define HTIFSYS_times 153
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#define HTIFSYS_fcntl 25
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#define HTIFSYS_ftruncate 46
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#define HTIFSYS_getdents 61
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#define HTIFSYS_dup 23
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#define HTIFSYS_readlinkat 78
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#define HTIFSYS_rt_sigprocmask 135
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#define HTIFSYS_ioctl 29
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#define HTIFSYS_getrlimit 163
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#define HTIFSYS_setrlimit 164
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#define HTIFSYS_getrusage 165
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#define HTIFSYS_clock_gettime 113
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#define HTIFSYS_set_tid_address 96
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#define HTIFSYS_set_robust_list 99
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#define HTIFSYS_madvise 233
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#define HTIFSYS_open 1024
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#define HTIFSYS_link 1025
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#define HTIFSYS_unlink 1026
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#define HTIFSYS_mkdir 1030
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#define HTIFSYS_access 1033
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#define HTIFSYS_stat 1038
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#define HTIFSYS_lstat 1039
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#define HTIFSYS_time 1062
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#define IS_ERR_VALUE(x) ((unsigned long)(x) >= (unsigned long)-4096)
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#define ERR_PTR(x) ((void*)(long)(x))
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#define PTR_ERR(x) ((long)(x))
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#define AT_FDCWD -100
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extern uint64 htif;
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void query_htif(uint64 dtb);
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// Spike HTIF functionalities
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void htif_syscall(uint64);
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void htif_console_putchar(uint8_t);
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int htif_console_getchar();
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void htif_poweroff() __attribute__((noreturn));
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#endif
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