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