2000-03-17 23:48:54 +01:00
|
|
|
/*
|
|
|
|
|
* simulator.S -- PowerPC simulator system calls.
|
|
|
|
|
*
|
2001-03-09 08:31:34 +01:00
|
|
|
* Copyright (c) 1995, 2000, 2001 Cygnus Support
|
2000-03-17 23:48:54 +01:00
|
|
|
*
|
|
|
|
|
* 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 "ppc-asm.h"
|
|
|
|
|
|
|
|
|
|
FUNC_START(_exit)
|
|
|
|
|
li r0, 1
|
|
|
|
|
sc
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Insure that the debugger tells the client that the PC is in _exit,
|
|
|
|
|
* not whatever function happens to follow this function.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
0: trap
|
|
|
|
|
b 0b /* we never should return, but... */
|
|
|
|
|
|
|
|
|
|
FUNC_END(_exit)
|
|
|
|
|
|
|
|
|
|
FUNC_START(read)
|
|
|
|
|
li r0,3
|
|
|
|
|
sc
|
2000-09-05 20:25:02 +02:00
|
|
|
bnslr+
|
2000-03-17 23:48:54 +01:00
|
|
|
b FUNC_NAME(_cerror)
|
|
|
|
|
FUNC_END(read)
|
|
|
|
|
|
|
|
|
|
FUNC_START(write)
|
|
|
|
|
li r0,4
|
|
|
|
|
sc
|
2000-09-05 20:25:02 +02:00
|
|
|
bnslr+
|
2000-03-17 23:48:54 +01:00
|
|
|
b FUNC_NAME(_cerror)
|
|
|
|
|
FUNC_END(write)
|
|
|
|
|
|
|
|
|
|
FUNC_START(open)
|
|
|
|
|
li r0,5
|
|
|
|
|
sc
|
2000-09-05 20:25:02 +02:00
|
|
|
bnslr+
|
2000-03-17 23:48:54 +01:00
|
|
|
b FUNC_NAME(_cerror)
|
|
|
|
|
FUNC_END(open)
|
|
|
|
|
|
|
|
|
|
FUNC_START(close)
|
|
|
|
|
li r0,6
|
|
|
|
|
sc
|
2000-09-05 20:25:02 +02:00
|
|
|
bnslr+
|
2000-03-17 23:48:54 +01:00
|
|
|
b FUNC_NAME(_cerror)
|
|
|
|
|
FUNC_END(close)
|
|
|
|
|
|
|
|
|
|
FUNC_START(brk)
|
|
|
|
|
li r0,17
|
|
|
|
|
sc
|
2000-09-05 20:25:02 +02:00
|
|
|
bnslr+
|
2000-03-17 23:48:54 +01:00
|
|
|
b FUNC_NAME(_cerror)
|
|
|
|
|
FUNC_END(brk)
|
|
|
|
|
|
2000-09-05 20:25:02 +02:00
|
|
|
FUNC_START(access)
|
|
|
|
|
li r0,33
|
|
|
|
|
sc
|
|
|
|
|
bnslr+
|
|
|
|
|
b FUNC_NAME(_cerror)
|
|
|
|
|
FUNC_END(access)
|
|
|
|
|
|
2001-03-09 08:31:34 +01:00
|
|
|
FUNC_START(dup)
|
|
|
|
|
li r0,41
|
|
|
|
|
sc
|
|
|
|
|
bnslr+
|
|
|
|
|
b FUNC_NAME(_cerror)
|
|
|
|
|
FUNC_END(dup)
|
|
|
|
|
|
2002-07-22 21:26:25 +02:00
|
|
|
FUNC_START(gettimeofday)
|
|
|
|
|
li r0,116
|
|
|
|
|
sc
|
|
|
|
|
bns+ 0f
|
|
|
|
|
b FUNC_NAME(_cerror)
|
|
|
|
|
0: blr
|
|
|
|
|
FUNC_END(gettimeofday)
|
|
|
|
|
|
|
|
|
|
FUNC_START(getrusage)
|
|
|
|
|
li r0,117
|
|
|
|
|
sc
|
|
|
|
|
bns+ 0f
|
|
|
|
|
b FUNC_NAME(_cerror)
|
|
|
|
|
0: blr
|
|
|
|
|
FUNC_END(getrusage)
|
|
|
|
|
|
2000-03-17 23:48:54 +01:00
|
|
|
FUNC_START(lseek)
|
|
|
|
|
li r0,199
|
|
|
|
|
sc
|
2000-09-05 20:25:02 +02:00
|
|
|
bnslr+
|
2000-03-17 23:48:54 +01:00
|
|
|
b FUNC_NAME(_cerror)
|
|
|
|
|
FUNC_END(lseek)
|
