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/*
* simulator.S -- m68k simulator system calls.
*
* Copyright (c) 1995, 2001 Cygnus Support
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*/
#include "asm.h"
#define SYSCALL(x) .word 0x4afc, x
#define FUNC_START(x) .globl x; x:
#define FUNC_END(x)
#define FUNC_NAME(x) SYM(x)
FUNC_START(_exit)
SYSCALL(1)
/*
* Insure that the debugger tells the client that the PC is in _exit,
* not whatever function happens to follow this function.
*/
0: nop
jmp 0b /* we never should return, but... */
FUNC_END(_exit)
FUNC_START(read)
SYSCALL(3)
bcs FUNC_NAME(_cerror)
rts
FUNC_END(read)
FUNC_START(write)
SYSCALL(4)
bcs FUNC_NAME(_cerror)
rts
FUNC_END(write)
FUNC_START(open)
SYSCALL(5)
bcs FUNC_NAME(_cerror)
rts
FUNC_END(open)
FUNC_START(close)
SYSCALL(6)
bcs FUNC_NAME(_cerror)
rts
FUNC_END(close)
FUNC_START(brk)
SYSCALL(17)
bcs FUNC_NAME(_cerror)
rts
FUNC_END(brk)
FUNC_START(lseek)
SYSCALL(199)
bcs FUNC_NAME(_cerror)
rts
FUNC_END(lseek)
FUNC_START(fstat)
SYSCALL(28)
bcs FUNC_NAME(_cerror)
rts
FUNC_END(lseek)
FUNC_START(isatty)
SYSCALL(29)
bcs FUNC_NAME(_cerror)
rts
FUNC_END(isatty)
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