20 lines
394 B
ArmAsm
20 lines
394 B
ArmAsm
/* $NetBSD: fork.S,v 1.3 2000/06/26 06:33:01 kleink Exp $ */
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/*
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* pid = fork();
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*
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* r4 == 0 in parent process, 1 in child process.
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* r3 == pid of child in parent, pid of parent in child.
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*/
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#include "SYS.h"
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fork, _fork)
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#endif
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_SYSCALL(_fork,fork)
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addi 4,4,-1 # from 1 to 0 in child, 0 to -1 in parent
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and 3,3,4 # return 0 in child, pid in parent
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blr
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