1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22/* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27#pragma ident "%Z%%M% %I% %E% SMI" 28 29/* 30 * exit routine from linker/loader to kernel 31 */ 32 33#include <sys/asm_linkage.h> 34#include <sys/reboot.h> 35#include <sys/trap.h> 36 37/* 38 * exitto is called from main() and does 1 things 39 * It then jumps directly to the just-loaded standalone. 40 * There is NO RETURN from exitto(). ???? 41 */ 42 43#if defined(lint) 44 45/* ARGSUSED */ 46void 47exitto(caddr_t entrypoint) 48{} 49 50#else /* lint */ 51 52save_esp2: 53 .long 0 54 55 ENTRY(exitto) 56 push %ebp / save stack 57 mov %esp,%ebp 58 pushal / protect secondary boot 59 60 movl %esp, %eax 61 movl %eax, save_esp2 62 63 movl boothowto, %eax 64 andl $RB_DEBUGENTER, %eax 65 jz 1f 66 67 /* enter the debugger */ 68 int $T_DBGENTR 69 701: 71 /holds address of array of pointers to functions 72 movl $romp, %eax 73 movl (%eax), %ecx 74 75 /holds address of bootops structure 76 movl $ops, %eax 77 movl (%eax), %ebx 78 79 movl 8(%ebp), %eax 80 call *%eax 81 82 movl save_esp2, %eax 83 movl %eax, %esp 84 85 popal 86 pop %ebp / restore frame pointer 87 88 ret 89 SET_SIZE(exitto) 90#endif 91