0a6a1f1d05
This brings our tree to NetBSD 7.0, as found on -current on the 10-10-2015. This updates: - LLVM to 3.6.1 - GCC to GCC 5.1 - Replace minix/commands/zdump with usr.bin/zdump - external/bsd/libelf has moved to /external/bsd/elftoolchain/ - Import ctwm - Drop sprintf from libminc Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
18 lines
380 B
ArmAsm
18 lines
380 B
ArmAsm
/* $NetBSD: fork.S,v 1.1 2014/09/03 19:34:26 matt Exp $ */
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/*
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* pid = fork();
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*
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* r12 == 0 in parent process, 1 in child process.
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* r11 == 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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_SYSCALL(__fork,fork)
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l.addi r12,r12,-1 # from 1 to 0 in child, 0 to -1 in parent
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l.and r11,r11,r12 # return 0 in child, pid in parent
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l.jr lr
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l.nop
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END(__fork)
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