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Last change
on this file since 639 was
444,
checked in by satin@…, 7 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
1.5 KB
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| Rev | Line | |
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| [444] | 1 | /* |
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| 2 | * Copyright (c) 2003 Red Hat, Inc. All rights reserved. |
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| 3 | * |
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| 4 | * This copyrighted material is made available to anyone wishing to use, modify, |
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| 5 | * copy, or redistribute it subject to the terms and conditions of the BSD |
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| 6 | * License. This program is distributed in the hope that it will be useful, |
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| 7 | * but WITHOUT ANY WARRANTY expressed or implied, including the implied |
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| 8 | * warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy |
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| 9 | * of this license is available at http://www.opensource.org/licenses. Any |
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| 10 | * Red Hat trademarks that are incorporated in the source code or documentation |
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| 11 | * are not subject to the BSD License and may only be used or replicated with |
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| 12 | * the express permission of Red Hat, Inc. |
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| 13 | */ |
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| 14 | #include "syscall.h" |
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| 15 | |
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| 16 | /* Return ABI: $1 is errno, $0 is return value. */ |
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| 17 | |
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| 18 | #define S(n) \ |
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| 19 | .global n ; .weak n ; n: ; \ |
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| 20 | .2byte 0x7800 | ((SYS_##n & 0xe) << 7) | ((SYS_##n & 1) << 4) ; bra sysret |
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| 21 | |
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| 22 | .text |
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| 23 | |
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| 24 | #define SYS___mep_write SYS_write |
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| 25 | #define SYS___mep_read SYS_read |
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| 26 | #define SYS__Sid_config SYS_reconfig |
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| 27 | |
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| 28 | S(open) |
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| 29 | S(close) |
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| 30 | S(__mep_read) |
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| 31 | S(__mep_write) |
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| 32 | S(lseek) |
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| 33 | S(unlink) |
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| 34 | S(getpid) |
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| 35 | S(kill) |
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| 36 | S(fstat) |
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| 37 | |
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| 38 | /* ARGV support. */ |
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| 39 | S(argvlen) |
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| 40 | S(argv) |
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| 41 | |
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| 42 | /* These are extras added for one reason or another. */ |
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| 43 | S(chdir) |
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| 44 | S(stat) |
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| 45 | S(chmod) |
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| 46 | S(utime) |
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| 47 | S(time) |
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| 48 | S(gettimeofday) |
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| 49 | S(times) |
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| 50 | S(link) |
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| 51 | S(_Sid_config) |
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| 52 | |
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| 53 | sysret: |
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| 54 | add3 $sp, $sp, -16 |
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| 55 | sw $0, 0($sp) |
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| 56 | sw $1, 4($sp) |
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| 57 | ldc $2, $lp |
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| 58 | sw $2, 8($sp) |
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| 59 | bsr __errno |
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| 60 | lw $1, 4($sp) |
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| 61 | sw $1, ($0) |
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| 62 | lw $0, 0($sp) |
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| 63 | lw $2, 8($sp) |
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| 64 | stc $2, $lp |
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| 65 | add3 $sp, $sp, 16 |
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| 66 | ret |
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