| /* |
| * 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, -16 |
| 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, 16 |
| ret |
