xref: /onnv-gate/usr/src/cmd/mdb/sun4u/v9/kmdb/mach_asmutil.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef _MACH_ASMUTIL_H
28*0Sstevel@tonic-gate #define	_MACH_ASMUTIL_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #ifdef __cplusplus
33*0Sstevel@tonic-gate extern "C" {
34*0Sstevel@tonic-gate #endif
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate #ifdef _ASM
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate #define	GET_NWIN(scr1, reg1)	\
39*0Sstevel@tonic-gate 	rdpr	%ver, reg1;\
40*0Sstevel@tonic-gate 	and	reg1, VER_MAXWIN, reg1
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate #define	SET_GL(x)
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate #define	SWITCH_TO_NORMAL_GLOBALS()	\
45*0Sstevel@tonic-gate 	mov	%o5, %g3	/* save %o5 in %g3 */;\
46*0Sstevel@tonic-gate 	mov	%o4, %g2	/* save %o4 in %g2 */;\
47*0Sstevel@tonic-gate 	mov	%g5, %o5	/* set %o5 = gregs pointer */;\
48*0Sstevel@tonic-gate 	mov	%g4, %o4	/* set %o4 = return %pstate value */;\
49*0Sstevel@tonic-gate 	wrpr	%g0, PTSTATE_KERN_COMMON, %pstate	/* AG = 0 */
50*0Sstevel@tonic-gate 
51*0Sstevel@tonic-gate #define	SWITCH_TO_TL1_GLOBALS_AND_RET()	\
52*0Sstevel@tonic-gate 	wrpr	%o4, %pstate	/* use TL1 globals, set %pstate from %o4 */;\
53*0Sstevel@tonic-gate 	mov	%g3, %o5	/* restore saved %o5 from %g3 */;\
54*0Sstevel@tonic-gate 	jmp	%g7;\
55*0Sstevel@tonic-gate 	mov	%g2, %o4	/* restore saved %o4 from %g2 */
56*0Sstevel@tonic-gate 
57*0Sstevel@tonic-gate #define	KAIF_SAVE_TL1_STATE()	\
58*0Sstevel@tonic-gate 	ba	kaif_save_tl1_state;\
59*0Sstevel@tonic-gate 	mov	PTSTATE_KERN_COMMON|PSTATE_AG, %g4
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate #define	KAIF_SAVE_TL1_STATE_SLAVE()	\
62*0Sstevel@tonic-gate 	ba	kaif_save_tl1_state;\
63*0Sstevel@tonic-gate 	mov	PTSTATE_KERN_COMMON|PSTATE_IG, %g4
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate #define	SET_PSTATE_COMMON_AG(reg1)	\
66*0Sstevel@tonic-gate 	or	%g0, PTSTATE_KERN_COMMON | PSTATE_AG, reg1;\
67*0Sstevel@tonic-gate 	wrpr	reg1, %pstate
68*0Sstevel@tonic-gate 
69*0Sstevel@tonic-gate #define	KAIF_DEMAP_TLB_ALL(scr)			\
70*0Sstevel@tonic-gate 	mov	DEMAP_ALL_TYPE, scr;		\
71*0Sstevel@tonic-gate 	stxa	%g0, [scr]ASI_DTLB_DEMAP;	\
72*0Sstevel@tonic-gate 	sethi	%hi(FLUSH_ADDR), scr;		\
73*0Sstevel@tonic-gate 	flush	scr
74*0Sstevel@tonic-gate 
75*0Sstevel@tonic-gate #endif
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate #ifdef __cplusplus
78*0Sstevel@tonic-gate }
79*0Sstevel@tonic-gate #endif
80*0Sstevel@tonic-gate 
81*0Sstevel@tonic-gate #endif /* _MACH_ASMUTIL_H */
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