458 lines
12 KiB
C
458 lines
12 KiB
C
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/*
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Copyright (c) 2015, Synopsys, Inc. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1) Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2) Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3) Neither the name of the Synopsys, Inc., nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ASM_ARC_UNISTD_H
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#define _ASM_ARC_UNISTD_H
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#include <stdint.h>
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#ifndef __ASSEMBLY__
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/* This file contains the system call numbers. Not all are implemented in nSIM
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hostlink. Numbers correspond to the old ARCLinux syscalls, but during
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upstreaming of ARC Linux, those numbers has been changed, hence today ARC
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Linux and nSIM hostlink use different system call numbers. */
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#define SYS_exit 1
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#define SYS__exit SYS_exit
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#define SYS_fork 2
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#define SYS_read 3
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#define SYS_write 4
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#define SYS_open 5
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#define SYS_close 6
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#define SYS_waitpid 7
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#define SYS_creat 8
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#define SYS_link 9
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#define SYS_unlink 10
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#define SYS_execve 11
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#define SYS_chdir 12
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#define SYS_time 13
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#define SYS_mknod 14
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#define SYS_chmod 15
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#define SYS_chown 16
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#define SYS_break 17
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#define SYS_oldstat 18
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#define SYS_lseek 19
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#define SYS_getpid 20
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#define SYS_mount 21
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#define SYS_umount 22
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#define SYS_setuid 23
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#define SYS_getuid 24
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#define SYS_stime 25
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#define SYS_ptrace 26
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#define SYS_alarm 27
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#define SYS_oldfstat 28
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#define SYS_pause 29
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#define SYS_utime 30
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#define SYS_stty 31
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#define SYS_gtty 32
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#define SYS_access 33
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#define SYS_nice 34
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#define SYS_ftime 35
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#define SYS_sync 36
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#define SYS_kill 37
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#define SYS_rename 38
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#define SYS_mkdir 39
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#define SYS_rmdir 40
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#define SYS_dup 41
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#define SYS_pipe 42
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#define SYS_times 43
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#define SYS_prof 44
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#define SYS_brk 45
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#define SYS_setgid 46
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#define SYS_getgid 47
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#define SYS_signal 48
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#define SYS_geteuid 49
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#define SYS_getegid 50
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#define SYS_acct 51
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#define SYS_umount2 52
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#define SYS_lock 53
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#define SYS_ioctl 54
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#define SYS_fcntl 55
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#define SYS_mpx 56
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#define SYS_setpgid 57
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#define SYS_ulimit 58
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#define SYS_oldolduname 59
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#define SYS_umask 60
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#define SYS_chroot 61
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#define SYS_ustat 62
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#define SYS_dup2 63
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#define SYS_getppid 64
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#define SYS_getpgrp 65
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#define SYS_setsid 66
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#define SYS_sigaction 67
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#define SYS_sgetmask 68
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#define SYS_ssetmask 69
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#define SYS_setreuid 70
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#define SYS_setregid 71
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#define SYS_sigsuspend 72
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#define SYS_sigpending 73
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#define SYS_sethostname 74
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#define SYS_setrlimit 75
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#define SYS_old_getrlimit 76
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#define SYS_getrusage 77
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#define SYS_gettimeofday 78
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#define SYS_settimeofday 79
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#define SYS_getgroups 80
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#define SYS_setgroups 81
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#define SYS_select 82
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#define SYS_symlink 83
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#define SYS_oldlstat 84
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#define SYS_readlink 85
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#define SYS_uselib 86
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#define SYS_swapon 87
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#define SYS_reboot 88
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#define SYS_readdir 89
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#define SYS_mmap 90
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#define SYS_munmap 91
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#define SYS_truncate 92
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#define SYS_ftruncate 93
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#define SYS_fchmod 94
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#define SYS_fchown 95
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#define SYS_getpriority 96
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#define SYS_setpriority 97
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#define SYS_profil 98
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#define SYS_statfs 99
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#define SYS_fstatfs 100
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#define SYS_ioperm 101
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#define SYS_socketcall 102
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#define SYS_syslog 103
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#define SYS_setitimer 104
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#define SYS_getitimer 105
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#define SYS_stat 106
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#define SYS_lstat 107
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#define SYS_fstat 108
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#define SYS_olduname 109
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#define SYS_iopl 110 /* not supported */
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#define SYS_vhangup 111
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#define SYS_idle 112 /* Obsolete */
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#define SYS_vm86 113 /* not supported */
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#define SYS_wait4 114
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#define SYS_swapoff 115
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#define SYS_sysinfo 116
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#define SYS_ipc 117
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#define SYS_fsync 118
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#define SYS_sigreturn 119
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#define SYS_clone 120
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#define SYS_setdomainname 121
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#define SYS_uname 122
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#define SYS_cacheflush 123
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#define SYS_adjtimex 124
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#define SYS_mprotect 125
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#define SYS_sigprocmask 126
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#define SYS_create_module 127
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#define SYS_init_module 128
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#define SYS_delete_module 129
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#define SYS_get_kernel_syms 130
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#define SYS_quotactl 131
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#define SYS_getpgid 132
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#define SYS_fchdir 133
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#define SYS_bdflush 134
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#define SYS_sysfs 135
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#define SYS_personality 136
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#define SYS_afs_syscall 137 /* Syscall for Andrew File System */
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#define SYS_setfsuid 138
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#define SYS_setfsgid 139
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#define SYS__llseek 140
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#define SYS_getdents 141
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#define SYS__newselect 142
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#define SYS_flock 143
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#define SYS_msync 144
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#define SYS_readv 145
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#define SYS_writev 146
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#define SYS_getsid 147
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#define SYS_fdatasync 148
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#define SYS__sysctl 149
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#define SYS_mlock 150
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#define SYS_munlock 151
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#define SYS_mlockall 152
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#define SYS_munlockall 153
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#define SYS_sched_setparam 154
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#define SYS_sched_getparam 155
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#define SYS_sched_setscheduler 156
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#define SYS_sched_getscheduler 157
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#define SYS_sched_yield 158
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#define SYS_sched_get_priority_max 159
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#define SYS_sched_get_priority_min 160
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#define SYS_sched_rr_get_interval 161
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#define SYS_nanosleep 162
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#define SYS_mremap 163
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#define SYS_setresuid 164
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#define SYS_getresuid 165
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#define SYS_query_module 167
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#define SYS_poll 168
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#define SYS_nfsservctl 169
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#define SYS_setresgid 170
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#define SYS_getresgid 171
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#define SYS_prctl 172
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#define SYS_rt_sigreturn 173
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#define SYS_rt_sigaction 174
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#define SYS_rt_sigprocmask 175
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#define SYS_rt_sigpending 176
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#define SYS_rt_sigtimedwait 177
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#define SYS_rt_sigqueueinfo 178
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#define SYS_rt_sigsuspend 179
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#define SYS_pread 180
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#define SYS_pwrite 181
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#define SYS_lchown 182
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#define SYS_getcwd 183
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#define SYS_capget 184
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#define SYS_capset 185
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#define SYS_sigaltstack 186
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#define SYS_sendfile 187
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#define SYS_getpmsg 188 /* some people actually want streams */
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#define SYS_putpmsg 189 /* some people actually want streams */
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#define SYS_vfork 190
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#define SYS_getrlimit 191
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#define SYS_mmap2 192
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#define SYS_truncate64 193
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#define SYS_ftruncate64 194
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#define SYS_stat64 195
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#define SYS_lstat64 196
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#define SYS_fstat64 197
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#define SYS_chown32 198
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#define SYS_getuid32 199
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#define SYS_getgid32 200
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#define SYS_geteuid32 201
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#define SYS_getegid32 202
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#define SYS_setreuid32 203
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#define SYS_setregid32 204
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#define SYS_getgroups32 205
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#define SYS_setgroups32 206
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#define SYS_fchown32 207
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#define SYS_setresuid32 208
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#define SYS_getresuid32 209
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#define SYS_setresgid32 210
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#define SYS_getresgid32 211
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#define SYS_lchown32 212
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#define SYS_setuid32 213
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#define SYS_setgid32 214
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#define SYS_setfsuid32 215
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#define SYS_setfsgid32 216
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#define SYS_pivot_root 217
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#define SYS_getdents64 220
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#define SYS_fcntl64 221
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#define SYS_gettid 224
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#endif /* ! __ASSEMBLY__ */
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#ifdef __ARC700__
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#define SYSCALL \
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"trap0 \n\t"
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#else
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#define SYSCALL \
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"swi \n\t"\
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"nop \n\t"\
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"nop \n\t"
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#endif /* __ARC700__ */
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/* There are two variants of macroses here:
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- _syscall is a complete function definition of system call
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- _naked_syscall only invokes system call and can be inserted into other
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functions. This macro is defined only for those syscall<N>, where it is
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actually used. */
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#define _syscall0(type, name) \
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type _##name () \
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{ \
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long __res; \
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__asm__ __volatile__ ("mov r8, %1\n\t" \
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SYSCALL \
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"mov %0, r0" \
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: "=r" (__res) \
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: "i" (SYS_##name) \
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: "cc", "r0", "r8"); \
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if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
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errno = -__res; \
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__res = -1; \
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} \
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return (type)__res; \
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}
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#define _syscall1(type, name, atype, a) \
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type _##name (atype a) \
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{ \
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long __res; \
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__asm__ __volatile__ ("mov r0, %2\n\t" \
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"mov r8, %1\n\t" \
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SYSCALL \
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"mov %0, r0" \
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: "=r" (__res) \
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: "i" (SYS_##name), \
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"r" ((long)a) \
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: "cc", "r0", "r8"); \
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if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
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errno = -__res; \
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__res = -1; \
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} \
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return (type)__res; \
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}
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#define _naked_syscall2(__res, name, a, b) \
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__asm__ __volatile__ ("mov r1, %3\n\t" \
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"mov r0, %2\n\t" \
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"mov r8, %1\n\t" \
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SYSCALL \
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"mov %0, r0" \
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: "=r" (__res) \
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: "i" (SYS_##name), \
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"r" ((long)a), \
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"r" ((long)b) \
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: "cc", "r0", "r1", "r8"); \
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if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
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errno = -__res; \
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__res = -1; \
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}
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#define _syscall2(type, name, atype, a, btype, b) \
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type _##name (atype a, btype b) \
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{ \
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long __res; \
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_naked_syscall2 (__res, name, a, b) \
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return (type)__res; \
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}
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#define _naked_syscall3(__res, name, a, b, c) \
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__asm__ __volatile__ ( \
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"mov r2, %4\n\t" \
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"mov r1, %3\n\t" \
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"mov r0, %2\n\t" \
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"mov r8, %1\n\t" \
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SYSCALL \
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"mov %0, r0" \
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: "=r" (__res) \
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: "i" (SYS_##name), \
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"r" ((long)a), \
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"r" ((long)b), \
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"r" ((long)c) \
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: "cc", "r0", "r1", "r2", "r8"); \
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if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
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errno = -__res; \
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__res = -1; \
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}
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|
||
|
|
#define _syscall3(type,name,atype,a,btype,b,ctype,c) \
|
||
|
|
type _##name (atype a, btype b, ctype c) \
|
||
|
|
{ \
|
||
|
|
long __res; \
|
||
|
|
_naked_syscall3 (__res, name, a, b, c) \
|
||
|
|
return (type)__res; \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define _syscall4(type, name, atype, a, btype, b, ctype, c, dtype, d) \
|
||
|
|
type _##name (atype a, btype b, ctype c, dtype d) \
|
||
|
|
{ \
|
||
|
|
long __res; \
|
||
|
|
__asm__ __volatile__ ( \
|
||
|
|
"mov r3, %5\n\t" \
|
||
|
|
"mov r2, %4\n\t" \
|
||
|
|
"mov r1, %3\n\t" \
|
||
|
|
"mov r0, %2\n\t" \
|
||
|
|
"mov r8, %1\n\t" \
|
||
|
|
SYSCALL \
|
||
|
|
"mov %0, r0" \
|
||
|
|
: "=r" (__res) \
|
||
|
|
: "i" (SYS_##name), \
|
||
|
|
"r" ((long)a), \
|
||
|
|
"r" ((long)b), \
|
||
|
|
"r" ((long)c), \
|
||
|
|
"r" ((long)d) \
|
||
|
|
: "cc", "r0", "r1", "r2", "r3", "r8"); \
|
||
|
|
if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
|
||
|
|
errno = -__res; \
|
||
|
|
__res = -1; \
|
||
|
|
} \
|
||
|
|
return (type)__res; \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define _syscall5(type, name, atype, a, btype, b, ctype, c, dtype, d, \
|
||
|
|
etype, e) \
|
||
|
|
type _##name (atype a, btype b, ctype c, dtype d, etype e) \
|
||
|
|
{ \
|
||
|
|
long __res; \
|
||
|
|
__asm__ __volatile__ ( \
|
||
|
|
"mov r4, %6\n\t" \
|
||
|
|
"mov r3, %5\n\t" \
|
||
|
|
"mov r2, %4\n\t" \
|
||
|
|
"mov r1, %3\n\t" \
|
||
|
|
"mov r0, %2\n\t" \
|
||
|
|
"mov r8, %1\n\t" \
|
||
|
|
SYSCALL \
|
||
|
|
"mov %0, r0" \
|
||
|
|
: "=r" (__res) \
|
||
|
|
: "i" (SYS_##name), \
|
||
|
|
"r" ((long)a), \
|
||
|
|
"r" ((long)b), \
|
||
|
|
"r" ((long)c), \
|
||
|
|
"r" ((long)d), \
|
||
|
|
"r" ((long)e) \
|
||
|
|
: "cc", "r0", "r1", "r2", "r3", "r4", "r8"); \
|
||
|
|
if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
|
||
|
|
errno = -__res; \
|
||
|
|
__res = -1; \
|
||
|
|
} \
|
||
|
|
return (type)__res; \
|
||
|
|
}
|
||
|
|
|
||
|
|
/* open() flags that are used by nSIM hostlink. See comment for _open()
|
||
|
|
implementation in nsim-syscalls.c. */
|
||
|
|
#define ARC_LINUX_RDONLY 0
|
||
|
|
#define ARC_LINUX_WRONLY 1
|
||
|
|
#define ARC_LINUX_RDWR 2
|
||
|
|
#define ARC_LINUX_CREAT 0x0040
|
||
|
|
#define ARC_LINUX_APPEND 0x0400
|
||
|
|
#define ARC_LINUX_TRUNC 0x0200
|
||
|
|
#define ARC_LINUX_EXCL 0x0080
|
||
|
|
|
||
|
|
/* stat structure as defined in nSIM hostlink. */
|
||
|
|
struct nsim_stat {
|
||
|
|
uint16_t dev;
|
||
|
|
uint16_t __pad1;
|
||
|
|
uint32_t ino;
|
||
|
|
uint16_t mode;
|
||
|
|
uint16_t nlink;
|
||
|
|
uint16_t uid;
|
||
|
|
uint16_t gid;
|
||
|
|
uint16_t rdev;
|
||
|
|
uint16_t __pad2;
|
||
|
|
uint32_t size;
|
||
|
|
uint32_t blksize;
|
||
|
|
uint32_t blocks;
|
||
|
|
uint32_t atime;
|
||
|
|
uint32_t __unused1;
|
||
|
|
uint32_t mtime;
|
||
|
|
uint32_t __unused2;
|
||
|
|
uint32_t ctime;
|
||
|
|
uint32_t __unused3;
|
||
|
|
uint32_t __unused4;
|
||
|
|
uint32_t __unused5;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* _ASM_ARC_UNISTD_H */
|