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 2005 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 52 .data 53save_esp2: 54 .long 0 55 56 ENTRY(exitto) 57 push %ebp / save stack 58 mov %esp,%ebp 59 pushal / protect secondary boot 60 61 movl %esp, %eax 62 movl %eax, save_esp2 63 64 movl boothowto, %eax 65 andl $RB_DEBUGENTER, %eax 66 jz 1f 67 68 /* enter the debugger */ 69 int $T_DBGENTR 70 711: 72 /holds address of array of pointers to functions 73 movl $romp, %eax 74 movl (%eax), %ecx 75 76 /holds address of bootops structure 77 movl $ops, %eax 78 movl (%eax), %ebx 79 80 movl 8(%ebp), %eax 81 call *%eax 82 83 movl save_esp2, %eax 84 movl %eax, %esp 85 86 popal 87 pop %ebp / restore frame pointer 88 89 ret 90 SET_SIZE(exitto) 91#endif 92