1/* $NetBSD: locore.S,v 1.5 2002/05/09 12:41:09 uch Exp $ */ 2 3/*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the NetBSD 18 * Foundation, Inc. and its contributors. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36#include <sh3/asm.h> 37 38/* 39 * void start(int argc, char *argv[], struct bootinfo *bi) 40 * __attribute__((__noreturn__)): 41 * Kernel entry point. setup bootstrap stack pointer. 42 * Don't pollute r4, r5, r6, since these are passed down to 43 * machine_startup(). 44 */ 45NENTRY(start) 46 mov.l _L.machine_startup, r0 47 mov.l _L.bootstrap_stack, r1 48 jmp @r0 49 mov r1, r15 50 /* NOTREACHED */ 51 .align 2 52_L.machine_startup: .long _C_LABEL(machine_startup) 53_L.bootstrap_stack: .long _C_LABEL(start) 54 .data 55 .align 2 56 .globl _C_LABEL(intrcnt), _C_LABEL(eintrcnt) 57 .globl _C_LABEL(intrnames), _C_LABEL(eintrnames) 58_C_LABEL(intrcnt): 59_C_LABEL(eintrcnt): 60_C_LABEL(intrnames): 61_C_LABEL(eintrnames): 62