xref: /titanic_44/usr/src/uts/intel/ia32/krtld/kobj_crt.s (revision ae115bc77f6fcde83175c75b4206dc2e50747966)
17c478bd9Sstevel@tonic-gate/*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*ae115bc7Smrj * Common Development and Distribution License (the "License").
6*ae115bc7Smrj * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
217c478bd9Sstevel@tonic-gate/*
22*ae115bc7Smrj * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
237c478bd9Sstevel@tonic-gate * Use is subject to license terms.
247c478bd9Sstevel@tonic-gate */
257c478bd9Sstevel@tonic-gate
267c478bd9Sstevel@tonic-gate#pragma ident	"%Z%%M%	%I%	%E% SMI"
277c478bd9Sstevel@tonic-gate
287c478bd9Sstevel@tonic-gate/*
297c478bd9Sstevel@tonic-gate * exit routine from linker/loader to kernel
307c478bd9Sstevel@tonic-gate */
317c478bd9Sstevel@tonic-gate
327c478bd9Sstevel@tonic-gate#include <sys/asm_linkage.h>
337c478bd9Sstevel@tonic-gate#include <sys/reboot.h>
347c478bd9Sstevel@tonic-gate#include <sys/trap.h>
357c478bd9Sstevel@tonic-gate
367c478bd9Sstevel@tonic-gate/*
377c478bd9Sstevel@tonic-gate *  exitto is called from main() and does 1 things
387c478bd9Sstevel@tonic-gate *	It then jumps directly to the just-loaded standalone.
397c478bd9Sstevel@tonic-gate *	There is NO RETURN from exitto(). ????
407c478bd9Sstevel@tonic-gate */
417c478bd9Sstevel@tonic-gate
427c478bd9Sstevel@tonic-gate#if defined(lint)
437c478bd9Sstevel@tonic-gate
447c478bd9Sstevel@tonic-gate/* ARGSUSED */
457c478bd9Sstevel@tonic-gatevoid
467c478bd9Sstevel@tonic-gateexitto(caddr_t entrypoint)
477c478bd9Sstevel@tonic-gate{}
487c478bd9Sstevel@tonic-gate
497c478bd9Sstevel@tonic-gate#else	/* lint */
507c478bd9Sstevel@tonic-gate
517290a1fdScth	.data
527c478bd9Sstevel@tonic-gatesave_esp2:
537c478bd9Sstevel@tonic-gate        .long   0
547c478bd9Sstevel@tonic-gate
557c478bd9Sstevel@tonic-gate	ENTRY(exitto)
567c478bd9Sstevel@tonic-gate	push	%ebp			/ save stack
577c478bd9Sstevel@tonic-gate	mov	%esp,%ebp
587c478bd9Sstevel@tonic-gate	pushal				/ protect secondary boot
597c478bd9Sstevel@tonic-gate
607c478bd9Sstevel@tonic-gate	movl	%esp, %eax
617c478bd9Sstevel@tonic-gate	movl	%eax, save_esp2
627c478bd9Sstevel@tonic-gate
637c478bd9Sstevel@tonic-gate	/holds address of array of pointers to functions
647c478bd9Sstevel@tonic-gate	movl	$romp, %eax
657c478bd9Sstevel@tonic-gate	movl    (%eax), %ecx
667c478bd9Sstevel@tonic-gate
677c478bd9Sstevel@tonic-gate	/holds address of bootops structure
687c478bd9Sstevel@tonic-gate	movl	$ops, %eax
697c478bd9Sstevel@tonic-gate	movl    (%eax), %ebx
707c478bd9Sstevel@tonic-gate
717c478bd9Sstevel@tonic-gate	movl	8(%ebp), %eax
727c478bd9Sstevel@tonic-gate	call   *%eax
737c478bd9Sstevel@tonic-gate
747c478bd9Sstevel@tonic-gate	movl	save_esp2, %eax
757c478bd9Sstevel@tonic-gate	movl	%eax, %esp
767c478bd9Sstevel@tonic-gate
777c478bd9Sstevel@tonic-gate	popal
787c478bd9Sstevel@tonic-gate	pop	%ebp			/ restore frame pointer
797c478bd9Sstevel@tonic-gate
807c478bd9Sstevel@tonic-gate	ret
817c478bd9Sstevel@tonic-gate	SET_SIZE(exitto)
827c478bd9Sstevel@tonic-gate#endif
83