80 lines
1.4 KiB
ArmAsm
80 lines
1.4 KiB
ArmAsm
/*
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* simulator.S -- PowerPC simulator system calls.
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*
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* Copyright (c) 1995 Cygnus Support
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*/
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#include "ppc-asm.h"
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FUNC_START(_exit)
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li r0, 1
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sc
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/*
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* Insure that the debugger tells the client that the PC is in _exit,
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* not whatever function happens to follow this function.
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*/
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0: trap
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b 0b /* we never should return, but... */
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FUNC_END(_exit)
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FUNC_START(read)
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li r0,3
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sc
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bns+ 0f
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b FUNC_NAME(_cerror)
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0: blr
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FUNC_END(read)
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FUNC_START(write)
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li r0,4
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sc
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bns+ 0f
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b FUNC_NAME(_cerror)
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0: blr
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FUNC_END(write)
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FUNC_START(open)
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li r0,5
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sc
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bns+ 0f
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b FUNC_NAME(_cerror)
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0: blr
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FUNC_END(open)
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FUNC_START(close)
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li r0,6
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sc
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bns+ 0f
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b FUNC_NAME(_cerror)
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0: blr
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FUNC_END(close)
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FUNC_START(brk)
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li r0,17
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sc
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bns+ 0f
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b FUNC_NAME(_cerror)
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0: blr
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FUNC_END(brk)
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FUNC_START(lseek)
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li r0,199
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sc
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bns+ 0f
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b FUNC_NAME(_cerror)
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0: blr
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FUNC_END(lseek)
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