1/* $NetBSD: fork.S,v 1.2 1998/05/25 15:28:03 ws Exp $ */ 2 3/* 4 * pid = fork(); 5 * 6 * r4 == 0 in parent process, 1 in child process. 7 * r3 == pid of child in parent, pid of parent in child. 8 */ 9 10#include "SYS.h" 11 12SYSCALL(fork) 13 addi 4,4,-1 # from 1 to 0 in child, 0 to -1 in parent 14 and 3,3,4 # return 0 in child, pid in parent 15 blr 16