186 lines
6.0 KiB
C
186 lines
6.0 KiB
C
#include <zinnia/compiler.h>
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#include <zinnia/errno.h>
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#include <zinnia/print.h>
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#include <zinnia/sched.h>
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#include <zinnia/syscall.h>
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#include <zinnia/syscall_list.h>
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#include <zinnia/types.h>
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#include <zinnia/utils.h>
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const struct syscall syscall_table[256] = {
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[0] = {.call = sys_exit},
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[1] = {.call = sys_syslog},
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[2] = {.call = sys_getuname},
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[3] = {.call = sys_setuname},
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[4] = {.call = sys_archctl},
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[5] = {.call = sys_reboot},
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[6] = {.call = sys_mmap},
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[7] = {.call = sys_munmap},
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[8] = {.call = sys_mprotect},
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[9] = {.call = sys_madvise},
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[10] = {.call = sys_sigprocmask},
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[11] = {.call = sys_sigsuspend},
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[12] = {.call = sys_sigpending},
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[13] = {.call = sys_sigaction},
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[14] = {.call = sys_sigtimedwait},
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[15] = {.call = sys_sigaltstack},
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[16] = {.call = sys_sigreturn},
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[17] = {.call = sys_sigqueue},
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[18] = {.call = sys_execve},
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[19] = {.call = sys_fexecve},
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[20] = {.context = sys_fork, SYSKIND_CONTEXT},
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[21] = {.call = sys_kill},
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[22] = {.call = sys_gettid},
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[23] = {.call = sys_getpid},
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[24] = {.call = sys_getppid},
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[25] = {.call = sys_waitid},
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[26] = {.call = sys_waitpid},
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[27] = {.call = sys_pread},
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[28] = {.call = sys_readv},
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[29] = {.call = sys_pwrite},
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[30] = {.call = sys_writev},
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[31] = {.call = sys_seek},
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[32] = {.call = sys_ioctl},
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[33] = {.call = sys_openat},
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[34] = {.call = sys_close},
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[35] = {.call = sys_fstat},
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[36] = {.call = sys_fstatat},
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[37] = {.call = sys_statvfs},
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[38] = {.call = sys_fstatvfs},
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[39] = {.call = sys_faccessat},
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[40] = {.call = sys_fcntl},
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[41] = {.call = sys_ftruncate},
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[42] = {.call = sys_truncate},
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[43] = {.call = sys_fallocate},
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[44] = {.call = sys_fadvise},
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[45] = {.call = sys_utimensat},
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[46] = {.call = sys_mknodat},
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[47] = {.call = sys_getcwd},
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[48] = {.call = sys_chdir},
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[49] = {.call = sys_fchdir},
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[50] = {.call = sys_mkdirat},
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[51] = {.call = sys_rmdirat},
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[52] = {.call = sys_getdents},
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[53] = {.call = sys_renameat},
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[54] = {.call = sys_fchmod},
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[55] = {.call = sys_fchmodat},
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[56] = {.call = sys_fchownat},
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[57] = {.call = sys_linkat},
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[58] = {.call = sys_symlinkat},
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[59] = {.call = sys_unlinkat},
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[60] = {.call = sys_readlinkat},
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[61] = {.call = sys_flock},
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[62] = {.call = sys_ppoll},
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[63] = {.call = sys_dup},
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[64] = {.call = sys_dup3},
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[65] = {.call = sys_sync},
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[66] = {.call = sys_fsync},
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[67] = {.call = sys_fdatasync},
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[68] = {.call = sys_getgroups},
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[69] = {.call = sys_setgroups},
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[70] = {.call = sys_getsid},
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[71] = {.call = sys_setsid},
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[72] = {.call = sys_setuid},
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[73] = {.call = sys_getuid},
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[74] = {.call = sys_setgid},
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[75] = {.call = sys_getgid},
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[76] = {.call = sys_geteuid},
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[77] = {.call = sys_seteuid},
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[78] = {.call = sys_getegid},
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[79] = {.call = sys_setegid},
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[80] = {.call = sys_getpgid},
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[81] = {.call = sys_setpgid},
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[82] = {.call = sys_getresuid},
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[83] = {.call = sys_setresuid},
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[84] = {.call = sys_getresgid},
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[85] = {.call = sys_setresgid},
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[86] = {.call = sys_setreuid},
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[87] = {.call = sys_setregid},
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[88] = {.call = sys_umask},
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[89] = {.call = sys_pipe},
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[90] = {.call = sys_futex_wait},
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[91] = {.call = sys_futex_wake},
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[92] = {.call = sys_thread_create},
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[93] = {.call = sys_thread_kill},
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[94] = {.call = sys_thread_exit},
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[95] = {.call = sys_thread_setname},
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[96] = {.call = sys_thread_getname},
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[97] = {.call = sys_timer_create},
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[98] = {.call = sys_timer_set},
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[99] = {.call = sys_timer_get},
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[100] = {.call = sys_timer_getoverrun},
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[101] = {.call = sys_timer_delete},
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[102] = {.call = sys_itimer_get},
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[103] = {.call = sys_itimer_set},
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[104] = {.call = sys_clock_get},
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[105] = {.call = sys_clock_getres},
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[106] = {.call = sys_clock_set},
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[107] = {.call = sys_sleep},
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[108] = {.call = sys_yield},
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[109] = {.call = sys_chroot},
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[110] = {.call = sys_mount},
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[111] = {.call = sys_umount},
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[112] = {.call = sys_socket},
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[113] = {.call = sys_socketpair},
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[114] = {.call = sys_shutdown},
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[115] = {.call = sys_bind},
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[116] = {.call = sys_connect},
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[117] = {.call = sys_accept},
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[118] = {.call = sys_listen},
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[119] = {.call = sys_getpeername},
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[120] = {.call = sys_getsockname},
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[121] = {.call = sys_getsockopt},
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[122] = {.call = sys_setsockopt},
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[123] = {.call = sys_sendmsg},
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[124] = {.call = sys_recvmsg},
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[125] = {.call = sys_getentropy},
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[126] = {.call = sys_getrusage},
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[127] = {.call = sys_getrlimit},
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[128] = {.call = sys_setrlimit},
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[129] = {.call = sys_getpriority},
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[130] = {.call = sys_setpriority},
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[131] = {.call = sys_sched_getparam},
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[132] = {.call = sys_sched_setparam},
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[133] = {.call = sys_module_insert},
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[134] = {.call = sys_module_remove},
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[135] = {.call = sys_epoll_create},
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[136] = {.call = sys_epoll_ctl},
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[137] = {.call = sys_epoll_pwait},
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[138] = {.call = sys_timerfd_create},
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[139] = {.call = sys_timerfd_gettime},
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[140] = {.call = sys_timerfd_settime},
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[141] = {.call = sys_signalfd_create},
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[142] = {.call = sys_eventfd_create},
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[143] = {.call = sys_msync},
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[144] = {.call = sys_sysconf},
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};
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struct syscall_return syscall_dispatch_call(
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size_t num,
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uintptr_t a0,
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uintptr_t a1,
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uintptr_t a2,
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uintptr_t a3,
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uintptr_t a4,
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uintptr_t a5
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) {
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// No need to check the table size here. In order to get to this point,
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// we already have to check if this is a fast syscall.
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if (syscall_table[num].call == nullptr) {
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return (struct syscall_return){.errno = ENOSYS};
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}
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return syscall_table[num].call(a0, a1, a2, a3, a4, a5);
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}
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void syscall_dispatch(struct arch_context* ctx) {
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const size_t num = ctx->ARCH_CTX_NUM;
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if (num >= ARRAY_SIZE(syscall_table) || syscall_table[num].context == nullptr) {
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ctx->ARCH_CTX_RET0 = ENOSYS;
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return;
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}
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syscall_table[num].context(ctx);
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}
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