1/* 2 * Copyright (c) 1983 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that this notice is preserved and that due credit is given 7 * to the University of California at Berkeley. The name of the University 8 * may not be used to endorse or promote products derived from this 9 * software without specific written prior permission. This software 10 * is provided ``as is'' without express or implied warranty. 11 */ 12 13#if defined(SYSLIBC_SCCS) && !defined(lint) 14_sccsid:.asciz "@(#)bzero.s 5.4 (Berkeley) 05/25/88" 15#endif /* SYSLIBC_SCCS and not lint */ 16 17/* bzero(base, length) */ 18 19#include "DEFS.h" 20 21ENTRY(bzero, 0) 22 movl 4(ap),r3 23 jbr 2f 241: 25 subl2 r0,8(ap) 26 movc5 $0,(r3),$0,r0,(r3) 272: 28 movzwl $65535,r0 29 cmpl 8(ap),r0 30 jgtr 1b 31 movc5 $0,(r3),$0,8(ap),(r3) 32 ret 33