83 lines
2.0 KiB
C
83 lines
2.0 KiB
C
/* Copyright (c) 2017 SiFive Inc. All rights reserved.
|
|
|
|
This copyrighted material is made available to anyone wishing to use,
|
|
modify, copy, or redistribute it subject to the terms and conditions
|
|
of the BSD License. This program is distributed in the hope that
|
|
it will be useful, but WITHOUT ANY WARRANTY expressed or implied,
|
|
including the implied warranties of MERCHANTABILITY or FITNESS FOR
|
|
A PARTICULAR PURPOSE. A copy of this license is available at
|
|
http://www.opensource.org/licenses.
|
|
*/
|
|
|
|
#ifndef _MACHINE_SYSCALL_H
|
|
#define _MACHINE_SYSCALL_H
|
|
|
|
#define SYS_getcwd 17
|
|
#define SYS_dup 23
|
|
#define SYS_fcntl 25
|
|
#define SYS_faccessat 48
|
|
#define SYS_chdir 49
|
|
#define SYS_openat 56
|
|
#define SYS_close 57
|
|
#define SYS_getdents 61
|
|
#define SYS_lseek 62
|
|
#define SYS_read 63
|
|
#define SYS_write 64
|
|
#define SYS_writev 66
|
|
#define SYS_pread 67
|
|
#define SYS_pwrite 68
|
|
#define SYS_fstatat 79
|
|
#define SYS_fstat 80
|
|
#define SYS_exit 93
|
|
#define SYS_exit_group 94
|
|
#define SYS_kill 129
|
|
#define SYS_rt_sigaction 134
|
|
#define SYS_times 153
|
|
#define SYS_uname 160
|
|
#define SYS_gettimeofday 169
|
|
#define SYS_getpid 172
|
|
#define SYS_getuid 174
|
|
#define SYS_geteuid 175
|
|
#define SYS_getgid 176
|
|
#define SYS_getegid 177
|
|
#define SYS_brk 214
|
|
#define SYS_munmap 215
|
|
#define SYS_mremap 216
|
|
#define SYS_mmap 222
|
|
#define SYS_open 1024
|
|
#define SYS_link 1025
|
|
#define SYS_unlink 1026
|
|
#define SYS_mkdir 1030
|
|
#define SYS_access 1033
|
|
#define SYS_stat 1038
|
|
#define SYS_lstat 1039
|
|
#define SYS_time 1062
|
|
#define SYS_getmainvars 2011
|
|
|
|
extern long __syscall_error(long);
|
|
|
|
static inline long
|
|
__internal_syscall(long n, long _a0, long _a1, long _a2, long _a3)
|
|
{
|
|
register long a0 asm("a0") = _a0;
|
|
register long a1 asm("a1") = _a1;
|
|
register long a2 asm("a2") = _a2;
|
|
register long a3 asm("a3") = _a3;
|
|
|
|
#ifdef __riscv_32e
|
|
register long syscall_id asm("t0") = n;
|
|
#else
|
|
register long syscall_id asm("a7") = n;
|
|
#endif
|
|
|
|
asm volatile ("scall"
|
|
: "+r"(a0) : "r"(a1), "r"(a2), "r"(a3), "r"(syscall_id));
|
|
|
|
if (a0 < 0)
|
|
return __syscall_error (a0);
|
|
else
|
|
return a0;
|
|
}
|
|
|
|
#endif
|