67 lines
1.5 KiB
ArmAsm
67 lines
1.5 KiB
ArmAsm
/*
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* Copyright (c) 2003 Red Hat, Inc. All rights reserved.
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*
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* This copyrighted material is made available to anyone wishing to use, modify,
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* copy, or redistribute it subject to the terms and conditions of the BSD
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* License. This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY expressed or implied, including the implied
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* warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy
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* of this license is available at http://www.opensource.org/licenses. Any
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* Red Hat trademarks that are incorporated in the source code or documentation
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* are not subject to the BSD License and may only be used or replicated with
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* the express permission of Red Hat, Inc.
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*/
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#include "syscall.h"
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/* Return ABI: $1 is errno, $0 is return value. */
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#define S(n) \
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.global n ; .weak n ; n: ; \
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.2byte 0x7800 | ((SYS_##n & 0xe) << 7) | ((SYS_##n & 1) << 4) ; bra sysret
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.text
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#define SYS___mep_write SYS_write
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#define SYS___mep_read SYS_read
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#define SYS__Sid_config SYS_reconfig
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S(open)
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S(close)
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S(__mep_read)
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S(__mep_write)
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S(lseek)
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S(unlink)
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S(getpid)
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S(kill)
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S(fstat)
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/* ARGV support. */
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S(argvlen)
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S(argv)
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/* These are extras added for one reason or another. */
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S(chdir)
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S(stat)
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S(chmod)
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S(utime)
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S(time)
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S(gettimeofday)
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S(times)
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S(link)
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S(_Sid_config)
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sysret:
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add3 $sp, $sp, -16
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sw $0, 0($sp)
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sw $1, 4($sp)
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ldc $2, $lp
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sw $2, 8($sp)
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bsr __errno
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lw $1, 4($sp)
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sw $1, ($0)
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lw $0, 0($sp)
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lw $2, 8($sp)
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stc $2, $lp
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add3 $sp, $sp, 16
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ret
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