/* $NetBSD: locore.S,v 1.12 2008/04/28 20:23:22 martin Exp $ */ /*- * Copyright (c) 2002 The NetBSD Foundation, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include /* * LINTSTUB: include * LINTSTUB: include * * LINTSTUB: Var: char kernel_text[1]; * * LINTSTUB: Func: void start(int argc, char *argv[], struct bootinfo *bi) * __attribute__((__noreturn__)) * Kernel entry point. setup bootstrap stack pointer. * Don't pollute r4, r5, r6, since these are passed down to * machine_startup(). */ NENTRY(start) ALTENTRY(kernel_text) mov.l .L_machine_startup, r0 mov.l .L_bootstrap_stack, r1 jmp @r0 mov r1, sp /* NOTREACHED */ .align 2 .L_machine_startup: .long _C_LABEL(machine_startup) .L_bootstrap_stack: .long _C_LABEL(start) SET_ENTRY_SIZE(start)