syscall.h

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#ifndef _MINIOS_SYSCALL_H_
#define _MINIOS_SYSCALL_H_

 
#include <miniOS/types.h>
 
/* Syscall numbers */
#define SYS_read    0
#define SYS_write   1
#define SYS_open    2
#define SYS_close   3
#define SYS_stat    4
#define SYS_fstat   5
#define SYS_lstat   6
#define SYS_waitpid 7 /* wait4 is a superset; this is for waitpid() */
#define SYS_lseek   8
#define SYS_mmap      9
#define SYS_mprotect 10
#define SYS_munmap   11
#define SYS_signal  13
#define SYS_sigreturn  15   /* return from signal handler; SA_RESTART decision here */
#define SYS_ioctl   16
#define SYS_pread64 17
#define SYS_pwrite64 18
#define SYS_access  21
#define SYS_pipe    22
#define SYS_poll    23
#define SYS_select  24
#define SYS_dup     32
#define SYS_dup2    33
#define SYS_nanosleep 35
#define SYS_getpid  39
#define SYS_fork    57
#define SYS_execve  59
#define SYS_exit    60
#define SYS_wait4   61 /* waitpid is implemented via this */
#define SYS_kill    62
#define SYS_gettimeofday 96
#define SYS_sysinfo      99
#define SYS_chmod   90
#define SYS_statfs  137
#define SYS_fstatfs 138
#define SYS_mknod   133
#define SYS_fcntl   72
#define SYS_ftruncate 77
#define SYS_getdents 78
#define SYS_brk     79
#define SYS_getcwd  80
#define SYS_chdir   81
#define SYS_rename  82
#define SYS_mkdir   83
#define SYS_rmdir   84
#define SYS_unlink  87
#define SYS_symlink 88
#define SYS_readlink 89
#define SYS_ptrace  101
#define SYS_setpgid 109
#define SYS_getppid 110
#define SYS_setsid  112
#define SYS_mount   165
#define SYS_umount  166
#define SYS_sigaction 174
#define SYS_sched_getcpu 318
#define SYS_clock_gettime 228
 
/* ── Socket syscalls (Linux x86-64 ABI, nr 41-55) ─────────────────────── */
#define SYS_socket    41
#define SYS_connect   42
#define SYS_accept    43
#define SYS_sendto    44
#define SYS_recvfrom  45
#define SYS_shutdown  48
#define SYS_bind      49
#define SYS_listen    50
#define SYS_socketpair 53
#define SYS_setsockopt 54
#define SYS_getsockopt 55
#define SYS_clone      56
#define SYS_arch_prctl 158
#define SYS_gettid     186
#define SYS_futex      202
#define SYS_set_tid_address 218
 
/* ── miniOS-specific syscall numbers (beyond Linux x86-64 ABI range) ───── */
#define SYS_setitimer_miniOS       452   /* miniOS setitimer(): set ITIMER_REAL precisely */
#define SYS_alarm_miniOS           453   /* miniOS alarm(): set ITIMER_REAL in seconds */
#define SYS_register_sigtrampoline 454   /* register userspace signal trampoline VA */

void syscall_save_restart_state(uint64_t nr, uint64_t a1, uint64_t a2, uint64_t a3,
                                uint64_t a4, uint64_t a5, uint64_t a6);

void syscall_init(void);

void syscall_get_saved_user_rdi_rsi_rdx(uint64_t *out_rdi, uint64_t *out_rsi, uint64_t *out_rdx);

 
#endif // _MINIOS_SYSCALL_H_