xref: /onnv-gate/usr/src/uts/intel/ia32/krtld/kobj_crt.s (revision 3446:5903aece022d)
10Sstevel@tonic-gate/*
20Sstevel@tonic-gate * CDDL HEADER START
30Sstevel@tonic-gate *
40Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*3446Smrj * Common Development and Distribution License (the "License").
6*3446Smrj * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate *
80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate * See the License for the specific language governing permissions
110Sstevel@tonic-gate * and limitations under the License.
120Sstevel@tonic-gate *
130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate *
190Sstevel@tonic-gate * CDDL HEADER END
200Sstevel@tonic-gate */
210Sstevel@tonic-gate/*
22*3446Smrj * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
230Sstevel@tonic-gate * Use is subject to license terms.
240Sstevel@tonic-gate */
250Sstevel@tonic-gate
260Sstevel@tonic-gate#pragma ident	"%Z%%M%	%I%	%E% SMI"
270Sstevel@tonic-gate
280Sstevel@tonic-gate/*
290Sstevel@tonic-gate * exit routine from linker/loader to kernel
300Sstevel@tonic-gate */
310Sstevel@tonic-gate
320Sstevel@tonic-gate#include <sys/asm_linkage.h>
330Sstevel@tonic-gate#include <sys/reboot.h>
340Sstevel@tonic-gate#include <sys/trap.h>
350Sstevel@tonic-gate
360Sstevel@tonic-gate/*
370Sstevel@tonic-gate *  exitto is called from main() and does 1 things
380Sstevel@tonic-gate *	It then jumps directly to the just-loaded standalone.
390Sstevel@tonic-gate *	There is NO RETURN from exitto(). ????
400Sstevel@tonic-gate */
410Sstevel@tonic-gate
420Sstevel@tonic-gate#if defined(lint)
430Sstevel@tonic-gate
440Sstevel@tonic-gate/* ARGSUSED */
450Sstevel@tonic-gatevoid
460Sstevel@tonic-gateexitto(caddr_t entrypoint)
470Sstevel@tonic-gate{}
480Sstevel@tonic-gate
490Sstevel@tonic-gate#else	/* lint */
500Sstevel@tonic-gate
5183Scth	.data
520Sstevel@tonic-gatesave_esp2:
530Sstevel@tonic-gate        .long   0
540Sstevel@tonic-gate
550Sstevel@tonic-gate	ENTRY(exitto)
560Sstevel@tonic-gate	push	%ebp			/ save stack
570Sstevel@tonic-gate	mov	%esp,%ebp
580Sstevel@tonic-gate	pushal				/ protect secondary boot
590Sstevel@tonic-gate
600Sstevel@tonic-gate	movl	%esp, %eax
610Sstevel@tonic-gate	movl	%eax, save_esp2
620Sstevel@tonic-gate
630Sstevel@tonic-gate	/holds address of array of pointers to functions
640Sstevel@tonic-gate	movl	$romp, %eax
650Sstevel@tonic-gate	movl    (%eax), %ecx
660Sstevel@tonic-gate
670Sstevel@tonic-gate	/holds address of bootops structure
680Sstevel@tonic-gate	movl	$ops, %eax
690Sstevel@tonic-gate	movl    (%eax), %ebx
700Sstevel@tonic-gate
710Sstevel@tonic-gate	movl	8(%ebp), %eax
720Sstevel@tonic-gate	call   *%eax
730Sstevel@tonic-gate
740Sstevel@tonic-gate	movl	save_esp2, %eax
750Sstevel@tonic-gate	movl	%eax, %esp
760Sstevel@tonic-gate
770Sstevel@tonic-gate	popal
780Sstevel@tonic-gate	pop	%ebp			/ restore frame pointer
790Sstevel@tonic-gate
800Sstevel@tonic-gate	ret
810Sstevel@tonic-gate	SET_SIZE(exitto)
820Sstevel@tonic-gate#endif
83