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 %cwp, scr1; /* save current %cwp */ \ 40*0Sstevel@tonic-gate wrpr %g0, 0x1f, %cwp; \ 41*0Sstevel@tonic-gate rdpr %cwp, reg1; \ 42*0Sstevel@tonic-gate wrpr %g0, scr1, %cwp /* restore current %cwp */ 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate #define SET_GL(x) \ 45*0Sstevel@tonic-gate wrpr %g0, x, %gl 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate #define SWITCH_TO_NORMAL_GLOBALS() \ 48*0Sstevel@tonic-gate /* tempararily save %o5 and %o4 and %o3 */; \ 49*0Sstevel@tonic-gate stx %o5, [%g5 + KREG_OFF(KREG_O5)]; \ 50*0Sstevel@tonic-gate stx %o4, [%g5 + KREG_OFF(KREG_O4)]; \ 51*0Sstevel@tonic-gate stx %o3, [%g5 + KREG_OFF(KREG_O3)]; \ 52*0Sstevel@tonic-gate /* now save %g5, %g4 and %g7 cause we are going to gl 0 */; \ 53*0Sstevel@tonic-gate mov %g5, %o5 /* %o5 is gregs pointer now */; \ 54*0Sstevel@tonic-gate mov %g4, %o4 /* %o4 is %pstate value now */; \ 55*0Sstevel@tonic-gate mov %g7, %o3 /* %o3 is return pc now */; \ 56*0Sstevel@tonic-gate SET_GL(0); /* normal globals */ 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate #define SWITCH_TO_TL1_GLOBALS_AND_RET() \ 59*0Sstevel@tonic-gate SET_GL(1) /* use TL1 globals, set %pstate from %o4 */;\ 60*0Sstevel@tonic-gate mov %o4, %g4 /* restore %g4 as %pstate */; \ 61*0Sstevel@tonic-gate mov %o5, %g5 /* restore %g5 as gregs pointer */; \ 62*0Sstevel@tonic-gate mov %o3, %g7 /* retore %g7 as return pc */; \ 63*0Sstevel@tonic-gate ldx [%g5 + KREG_OFF(KREG_O5)], %o5 /* restore saved %o5 */; \ 64*0Sstevel@tonic-gate ldx [%g5 + KREG_OFF(KREG_O4)], %o4 /* restore saved %o4 */; \ 65*0Sstevel@tonic-gate jmp %g7; \ 66*0Sstevel@tonic-gate ldx [%g5 + KREG_OFF(KREG_O3)], %o3 /* restore saved %o3 */ 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate #define KAIF_SAVE_TL1_STATE() \ 69*0Sstevel@tonic-gate ba kaif_save_tl1_state;\ 70*0Sstevel@tonic-gate mov PTSTATE_KERN_COMMON, %g4 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate #define KAIF_SAVE_TL1_STATE_SLAVE() KAIF_SAVE_TL1_STATE() 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate #define SET_PSTATE_COMMON_AG(reg1) \ 75*0Sstevel@tonic-gate or %g0, PTSTATE_KERN_COMMON, reg1;\ 76*0Sstevel@tonic-gate wrpr reg1, %pstate 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate #define KAIF_DEMAP_TLB_ALL(scr) 79*0Sstevel@tonic-gate 80*0Sstevel@tonic-gate #endif 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate #ifdef __cplusplus 83*0Sstevel@tonic-gate } 84*0Sstevel@tonic-gate #endif 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate #endif /* _MACH_ASMUTIL_H */ 87