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/* 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 FreeBSD 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
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