1/* $NetBSD: locore_machdep.S,v 1.3 2002/06/01 12:27:05 simonb Exp $ */ 2 3/* 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Wayne Knowles 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 40#include <mips/asm.h> 41#include <mips/cpuregs.h> 42#include <machine/param.h> 43 44 .set noreorder 45 46/* 47 * to_monitor(howto) - return to monitor and halt or reboot 48 * 49 * howto is passed in a0 50 */ 51LEAF(to_monitor) 52 mtc0 zero, MIPS_COP_0_STATUS # Disable interrupts 53 li v0, MIPS_SR_BEV # no interrupt and 54 mtc0 v0, MIPS_COP_0_STATUS_REG # boot strap exception vector 55 nop 56 nop 57 nop 58 la v0, 0xbfc00010 # PROM_EXEC 59 j v0 60 nop 61END(to_monitor) 62 63 .data 64 .globl _C_LABEL(intrcnt) 65 .globl _C_LABEL(eintrcnt) 66 .globl _C_LABEL(intrnames) 67 .globl _C_LABEL(eintrnames) 68_C_LABEL(intrnames): 69_C_LABEL(eintrnames): 70 .align 2 71_C_LABEL(intrcnt): 72_C_LABEL(eintrcnt): 73 .word 0 74