67 lines
1.5 KiB
ArmAsm
67 lines
1.5 KiB
ArmAsm
|
/*
|
||
|
* Copyright (c) 2003 Red Hat, Inc. All rights reserved.
|
||
|
*
|
||
|
* This copyrighted material is made available to anyone wishing to use, modify,
|
||
|
* copy, or redistribute it subject to the terms and conditions of the BSD
|
||
|
* License. This program is distributed in the hope that it will be useful,
|
||
|
* but WITHOUT ANY WARRANTY expressed or implied, including the implied
|
||
|
* warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy
|
||
|
* of this license is available at http://www.opensource.org/licenses. Any
|
||
|
* Red Hat trademarks that are incorporated in the source code or documentation
|
||
|
* are not subject to the BSD License and may only be used or replicated with
|
||
|
* the express permission of Red Hat, Inc.
|
||
|
*/
|
||
|
#include "syscall.h"
|
||
|
|
||
|
/* Return ABI: $1 is errno, $0 is return value. */
|
||
|
|
||
|
#define S(n) \
|
||
|
.global n ; .weak n ; n: ; \
|
||
|
.2byte 0x7800 | ((SYS_##n & 0xe) << 7) | ((SYS_##n & 1) << 4) ; bra sysret
|
||
|
|
||
|
.text
|
||
|
|
||
|
#define SYS___mep_write SYS_write
|
||
|
#define SYS___mep_read SYS_read
|
||
|
#define SYS__Sid_config SYS_reconfig
|
||
|
|
||
|
S(open)
|
||
|
S(close)
|
||
|
S(__mep_read)
|
||
|
S(__mep_write)
|
||
|
S(lseek)
|
||
|
S(unlink)
|
||
|
S(getpid)
|
||
|
S(kill)
|
||
|
S(fstat)
|
||
|
|
||
|
/* ARGV support. */
|
||
|
S(argvlen)
|
||
|
S(argv)
|
||
|
|
||
|
/* These are extras added for one reason or another. */
|
||
|
S(chdir)
|
||
|
S(stat)
|
||
|
S(chmod)
|
||
|
S(utime)
|
||
|
S(time)
|
||
|
S(gettimeofday)
|
||
|
S(times)
|
||
|
S(link)
|
||
|
S(_Sid_config)
|
||
|
|
||
|
sysret:
|
||
|
add3 $sp, $sp, -12
|
||
|
sw $0, 0($sp)
|
||
|
sw $1, 4($sp)
|
||
|
ldc $2, $lp
|
||
|
sw $2, 8($sp)
|
||
|
bsr __errno
|
||
|
lw $1, 4($sp)
|
||
|
sw $1, ($0)
|
||
|
lw $0, 0($sp)
|
||
|
lw $2, 8($sp)
|
||
|
stc $2, $lp
|
||
|
add3 $sp, $sp, 12
|
||
|
ret
|