kobj_crt.s revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* exit routine from linker/loader to kernel
*/
#include <sys/asm_linkage.h>
#include <sys/reboot.h>
/*
* exitto is called from main() and does 1 things
* It then jumps directly to the just-loaded standalone.
* There is NO RETURN from exitto().
*/
#if defined(lint)
/* ARGSUSED */
void
exitto(caddr_t entrypoint)
{}
#else /* lint */
ENTRY(exitto)
/preserve destination in temporary register %r11
movq %rdi, %r11
/holds address of array of pointers to functions
/ $arg1
movq $romp, %rax
movq (%rax), %rdi
/holds address of bootops structure
/ $arg2
movq $ops, %rax
movq (%rax), %rdx
movq boothowto, %rax
andq $RB_DEBUGENTER, %rax
jz 1f
/ Enter the debugger
int $T_DBGENTR
1: / Call destination
call *%r11
SET_SIZE(exitto)
#endif