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/**
** @file syscalls.h
**
** @author CSCI-452 class of 20245
**
** @brief System call declarations
*/
#ifndef SYSCALLS_H_
#define SYSCALLS_H_
#include <common.h>
/*
** General (C and/or assembly) definitions
*/
/*
** system call codes
**
** these are used in the user-level C library stub functions,
** and are defined here as CPP macros instead of as an enum
** so that they can be used from assembly
*/
#define SYS_exit 0
#define SYS_waitpid 1
#define SYS_fork 2
#define SYS_exec 3
#define SYS_read 4
#define SYS_write 5
#define SYS_getpid 6
#define SYS_getppid 7
#define SYS_gettime 8
#define SYS_getprio 9
#define SYS_setprio 10
#define SYS_kill 11
#define SYS_sleep 12
// UPDATE THIS DEFINITION IF MORE SYSCALLS ARE ADDED!
#define N_SYSCALLS 13
// dummy system call code for testing our ISR
#define SYS_bogus 0xbad
// interrupt vector entry for system calls
#define VEC_SYSCALL 0x80
#ifndef ASM_SRC
/*
** Start of C-only definitions
*/
/*
** Types
*/
/*
** Globals
*/
/*
** Prototypes
*/
#ifdef KERNEL_SRC
/**
** Name: sys_init
**
** Syscall module initialization routine
*/
void sys_init( void );
#endif /* KERNEL_SRC */
#endif /* !ASM_SRC */
#endif
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