09ccfcee50
* src/libgloss/m68k/Makefile.in: Updated copyright and
added rules to build simulator related libraries.
(SIM_SCRIPTS): New variable.
(SIM_LDFLAGS): New variable.
(SIM_BSP): New variable.
(SIM_CRT0): New variable.
(SIM_OBJS): New variable.
(SIM_TEST): New variable.
(SIM_INSTALL): new variable.
* src/libgloss/m68k/sim-abort.c: New file.
* src/libgloss/m68k/sim-crt0.S: New file.
* src/libgloss/m68k/sim-errno.c: New file.
* src/libgloss/m68k/sim-funcs.c: New file.
* src/libgloss/m68k/sim-inbyte.c: New file.
* src/libgloss/m68k/sim-print.c: New file.
* src/libgloss/m68k/sim-sbrk.c: New file.
* src/libgloss/m68k/sim.ld: New file.
* src/libgloss/m68k/simulator.S: New file.
85 lines
1.7 KiB
ArmAsm
85 lines
1.7 KiB
ArmAsm
/*
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* simulator.S -- m68k simulator system calls.
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*
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* Copyright (c) 1995, 2001 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 "asm.h"
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#define SYSCALL(x) .word 0x4afc, x
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#define FUNC_START(x) .globl x; x:
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#define FUNC_END(x)
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#define FUNC_NAME(x) SYM(x)
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FUNC_START(_exit)
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SYSCALL(1)
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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: nop
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jmp 0b /* we never should return, but... */
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FUNC_END(_exit)
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FUNC_START(read)
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SYSCALL(3)
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bcs FUNC_NAME(_cerror)
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rts
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FUNC_END(read)
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FUNC_START(write)
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SYSCALL(4)
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bcs FUNC_NAME(_cerror)
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rts
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FUNC_END(write)
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FUNC_START(open)
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SYSCALL(5)
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bcs FUNC_NAME(_cerror)
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rts
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FUNC_END(open)
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FUNC_START(close)
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SYSCALL(6)
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bcs FUNC_NAME(_cerror)
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rts
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FUNC_END(close)
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FUNC_START(brk)
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SYSCALL(17)
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bcs FUNC_NAME(_cerror)
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rts
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FUNC_END(brk)
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FUNC_START(lseek)
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SYSCALL(199)
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bcs FUNC_NAME(_cerror)
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rts
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FUNC_END(lseek)
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FUNC_START(fstat)
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SYSCALL(28)
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bcs FUNC_NAME(_cerror)
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rts
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FUNC_END(lseek)
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FUNC_START(isatty)
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SYSCALL(29)
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bcs FUNC_NAME(_cerror)
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rts
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FUNC_END(isatty)
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