/*
* 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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/asm_linkage.h>
#include <sys/privregs.h>
#if defined(__lint)
#include <kmdb/kmdb_start.h>
#endif
#include <kmdb/kaif_asmutil.h>
/*
* This routine is called for the initial trip into the debugger. We need
* to switch over to the debugger stack (which we also need to initialize)
* before entering the debugger. Subsequent re-entries will longjmp their
* way in.
*/
#if defined(__lint)
void
kmdb_first_start(void)
{
}
#else /* __lint */
ENTRY(kmdb_first_start)
GET_NWIN(%g1, %g2); /* %g1 is scratch, %g2 set to nwin-1 */
sub %g2, 1, %g2
wrpr %g2, %cansave
wrpr %g0, %canrestore
set kmdb_main_stack, %g1
ldx [%g1], %g1
set kmdb_main_stack_size, %g2
ldx [%g2], %g2
add %g1, %g2, %g1
sub %g1, 1, %g1
and %g1, -STACK_ALIGN64, %g1
sub %g1, SA64(MINFRAME) + V9BIAS64, %sp
mov 0, %fp
save %sp, -SA64(MINFRAME64), %sp
/* start the debugger */
call kmdb_main
nop
SET_SIZE(kmdb_first_start)
#endif