#include "syscall-init.h"
#include "syscall.h"
#include "stdint.h"
#include "print.h"
#include "thread.h"
#include "console.h"
#include "string.h"
#include "memory.h"
#include "fs.h"
#include "fork.h"
#include "exec.h"
#include "wait_exit.h"

#define syscall_nr 32 
typedef void* syscall;
syscall syscall_table[syscall_nr];

/* 返回当前任务的pid */
uint32_t sys_getpid(void) {
   return running_thread()->pid;
}

/* 初始化系统调用 */
void syscall_init(void) {
   put_str("syscall_init start\n");
   syscall_table[SYS_GETPID]     = sys_getpid;
   syscall_table[SYS_WRITE]      = sys_write;
   syscall_table[SYS_MALLOC]     = sys_malloc;
   syscall_table[SYS_FREE]       = sys_free;
   syscall_table[SYS_FORK]       = sys_fork;
   syscall_table[SYS_READ]       = sys_read;
   syscall_table[SYS_PUTCHAR]    = sys_putchar;
   syscall_table[SYS_CLEAR]      = cls_screen;
   syscall_table[SYS_GETCWD]     = sys_getcwd;
   syscall_table[SYS_OPEN]       = sys_open;
   syscall_table[SYS_CLOSE]      = sys_close;
   syscall_table[SYS_LSEEK]	 = sys_lseek;
   syscall_table[SYS_UNLINK]	 = sys_unlink;
   syscall_table[SYS_MKDIR]	 = sys_mkdir;
   syscall_table[SYS_OPENDIR]	 = sys_opendir;
   syscall_table[SYS_CLOSEDIR]   = sys_closedir;
   syscall_table[SYS_CHDIR]	 = sys_chdir;
   syscall_table[SYS_RMDIR]	 = sys_rmdir;
   syscall_table[SYS_READDIR]	 = sys_readdir;
   syscall_table[SYS_REWINDDIR]	 = sys_rewinddir;
   syscall_table[SYS_STAT]	 = sys_stat;
   syscall_table[SYS_PS]	 = sys_ps;
   syscall_table[SYS_EXECV]	 = sys_execv;
   syscall_table[SYS_EXIT]       = sys_exit;
   syscall_table[SYS_WAIT]       = sys_wait;
   put_str("syscall_init done\n");
}