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/*
* 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.
*/
#include "assym.h"
#include <sys/param.h>
#include <sys/asm_linkage.h>
#include <sys/errno.h>
#include <sys/intreg.h>
#include <sys/intr.h>
#include <sys/x_call.h>
#include <sys/privregs.h>
#include <sys/machthread.h>
#include <sys/machtrap.h>
#include <sys/xc_impl.h>
#include <sys/bitmap.h>
#ifdef TRAPTRACE
#include <sys/traptrace.h>
#endif /* TRAPTRACE */
/*
* For a x-trap request to the same processor, just send a fast trap.
* Does not accept inums.
*/
ENTRY_NP(send_self_xcall)
ta ST_SELFXCALL
retl
nop
SET_SIZE(send_self_xcall)
/*
* idle or stop xcall handler.
*
* Called in response to an xt_some initiated by idle_other_cpus
* and stop_other_cpus.
*
* Entry:
* %g1 - handler at TL==0
*
* Register Usage:
* %g1 - preserved
* %g4 - pil
*
* %g1 will either be cpu_idle_self or cpu_stop_self and is
* passed to sys_trap, to run at TL=0. No need to worry about
* the regp passed to cpu_idle_self/cpu_stop_self, since
* neither require arguments.
*/
ENTRY_NP(idle_stop_xcall)
rdpr %pil, %g4
cmp %g4, XCALL_PIL
ba,pt %xcc, sys_trap
movl %xcc, XCALL_PIL, %g4
SET_SIZE(idle_stop_xcall)
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