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65 lines
1.3 KiB
ArmAsm
65 lines
1.3 KiB
ArmAsm
/* ==== syscall.S ============================================================
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* Copyright (c) 1994 Chris Provenzano, proven@mit.edu
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* All rights reserved.
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*
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*/
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#ifndef lint
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.text
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.asciz "$Id$";
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#endif
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#define _ASM
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#include <sys/syscall.h>
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/*
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* Initial asm stuff for all functions.
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*/
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.text
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.align 4
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/* ==========================================================================
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* error code for all syscalls. The error value is returned as the negative
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* of the errno value.
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*/
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1:
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sub %r0, %o0, %o0
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2:
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retl
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nop
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/* ==========================================================================
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* machdep_sys_fork()
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*/
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.globl machdep_sys_fork;
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machdep_sys_fork:;
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mov SYS_fork, %g1;
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ta 0;
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bcs 1b;
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nop;
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tst %o1
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bne,a __fork_parent
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mov %g0, %o0
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__fork_parent:;
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retl
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nop; /* Added by monty to keep sparc assembler happy */
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/* ==========================================================================
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* Berkeley socket stuff
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*
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* ==========================================================================
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* machdep_sys_socketcall()
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*/
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.globl machdep_sys_socketcall;
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machdep_sys_socketcall:;
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mov 83, %g1;
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ta 0;
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bcs,a 2b;
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sub %r0,%o0,%o0;
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retl
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nop; /* Added by monty to keep sparc assembler happy */
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