1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _MACH_ASMUTIL_H 28 #define _MACH_ASMUTIL_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #ifdef _ASM 37 38 #define GET_NWIN(scr1, reg1) \ 39 rdpr %ver, reg1;\ 40 and reg1, VER_MAXWIN, reg1 41 42 #define SET_GL(x) 43 44 #define SWITCH_TO_NORMAL_GLOBALS() \ 45 mov %o5, %g3 /* save %o5 in %g3 */;\ 46 mov %o4, %g2 /* save %o4 in %g2 */;\ 47 mov %g5, %o5 /* set %o5 = gregs pointer */;\ 48 mov %g4, %o4 /* set %o4 = return %pstate value */;\ 49 wrpr %g0, PTSTATE_KERN_COMMON, %pstate /* AG = 0 */ 50 51 #define SWITCH_TO_TL1_GLOBALS_AND_RET() \ 52 wrpr %o4, %pstate /* use TL1 globals, set %pstate from %o4 */;\ 53 mov %g3, %o5 /* restore saved %o5 from %g3 */;\ 54 jmp %g7;\ 55 mov %g2, %o4 /* restore saved %o4 from %g2 */ 56 57 #define KAIF_SAVE_TL1_STATE() \ 58 ba kaif_save_tl1_state;\ 59 mov PTSTATE_KERN_COMMON|PSTATE_AG, %g4 60 61 #define KAIF_SAVE_TL1_STATE_SLAVE() \ 62 ba kaif_save_tl1_state;\ 63 mov PTSTATE_KERN_COMMON|PSTATE_IG, %g4 64 65 #define SET_PSTATE_COMMON_AG(reg1) \ 66 or %g0, PTSTATE_KERN_COMMON | PSTATE_AG, reg1;\ 67 wrpr reg1, %pstate 68 69 #define KAIF_DEMAP_TLB_ALL(scr) \ 70 mov DEMAP_ALL_TYPE, scr; \ 71 stxa %g0, [scr]ASI_DTLB_DEMAP; \ 72 sethi %hi(FLUSH_ADDR), scr; \ 73 flush scr 74 75 #endif 76 77 #ifdef __cplusplus 78 } 79 #endif 80 81 #endif /* _MACH_ASMUTIL_H */ 82