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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Utility Assembly routines used by the debugger.
*/
#if defined(__lint)
#include <sys/types.h>
#include <kmdb/kmdb_asmutil.h>
#endif
#include <sys/asm_linkage.h>
#include <sys/privregs.h>
#include "mach_asmutil.h"
#if defined(__lint)
int
get_nwin(void)
{
return (0); /* wouldn't that be amusing */
}
#else
ENTRY(get_nwin)
GET_NWIN(%g4, %g3); /* %g4 is scratch, %g3 set to nwin-1 */
mov %g3, %o0
retl
add %o0, 1, %o0
SET_SIZE(get_nwin)
#endif
#if defined(__lint)
uintptr_t
get_fp(void)
{
return (0);
}
#else
ENTRY(get_fp)
retl
mov %fp, %o0
SET_SIZE(get_fp)
#endif
#if defined(__lint)
void
interrupts_on(void)
{
}
#else
ENTRY(interrupts_on)
rdpr %pstate, %o0
bset PSTATE_IE, %o0
retl
wrpr %o0, %pstate
SET_SIZE(interrupts_on)
#endif
#if defined(__lint)
void
interrupts_off(void)
{
}
#else
ENTRY(interrupts_off)
rdpr %pstate, %o0
bclr PSTATE_IE, %o0
retl
wrpr %o0, %pstate
SET_SIZE(interrupts_off)
#endif
#if defined(__lint)
caddr_t
get_tba(void)
{
return (0);
}
#else
ENTRY(get_tba)
retl
rdpr %tba, %o0
SET_SIZE(get_tba)
#endif
#if defined(__lint)
/*ARGSUSED*/
void *
set_tba(void *new)
{
return (0);
}
#else
ENTRY(set_tba)
retl
wrpr %o0, %tba
SET_SIZE(set_tba)
#endif
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