1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #ifndef _SYS_MACHTHREAD_H 28*7c478bd9Sstevel@tonic-gate #define _SYS_MACHTHREAD_H 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*7c478bd9Sstevel@tonic-gate 32*7c478bd9Sstevel@tonic-gate #include <sys/asi.h> 33*7c478bd9Sstevel@tonic-gate #include <sys/sun4asi.h> 34*7c478bd9Sstevel@tonic-gate #include <sys/machasi.h> 35*7c478bd9Sstevel@tonic-gate #include <sys/bitmap.h> 36*7c478bd9Sstevel@tonic-gate 37*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 38*7c478bd9Sstevel@tonic-gate extern "C" { 39*7c478bd9Sstevel@tonic-gate #endif 40*7c478bd9Sstevel@tonic-gate 41*7c478bd9Sstevel@tonic-gate #ifdef _ASM 42*7c478bd9Sstevel@tonic-gate 43*7c478bd9Sstevel@tonic-gate #define THREAD_REG %g7 /* pointer to current thread data */ 44*7c478bd9Sstevel@tonic-gate 45*7c478bd9Sstevel@tonic-gate /* 46*7c478bd9Sstevel@tonic-gate * CPU_INDEX(r, scr) 47*7c478bd9Sstevel@tonic-gate * Returns cpu id in r. 48*7c478bd9Sstevel@tonic-gate */ 49*7c478bd9Sstevel@tonic-gate #define CPU_INDEX(r, scr) \ 50*7c478bd9Sstevel@tonic-gate mov SCRATCHPAD_CPUID, scr; \ 51*7c478bd9Sstevel@tonic-gate ldxa [scr]ASI_SCRATCHPAD, r 52*7c478bd9Sstevel@tonic-gate 53*7c478bd9Sstevel@tonic-gate /* 54*7c478bd9Sstevel@tonic-gate * Given a cpu id extract the appropriate word 55*7c478bd9Sstevel@tonic-gate * in the cpuset mask for this cpu id. 56*7c478bd9Sstevel@tonic-gate */ 57*7c478bd9Sstevel@tonic-gate #if CPUSET_SIZE > CLONGSIZE 58*7c478bd9Sstevel@tonic-gate #define CPU_INDEXTOSET(base, index, scr) \ 59*7c478bd9Sstevel@tonic-gate srl index, BT_ULSHIFT, scr; \ 60*7c478bd9Sstevel@tonic-gate and index, BT_ULMASK, index; \ 61*7c478bd9Sstevel@tonic-gate sll scr, CLONGSHIFT, scr; \ 62*7c478bd9Sstevel@tonic-gate add base, scr, base 63*7c478bd9Sstevel@tonic-gate #else 64*7c478bd9Sstevel@tonic-gate #define CPU_INDEXTOSET(base, index, scr) 65*7c478bd9Sstevel@tonic-gate #endif /* CPUSET_SIZE */ 66*7c478bd9Sstevel@tonic-gate 67*7c478bd9Sstevel@tonic-gate 68*7c478bd9Sstevel@tonic-gate /* 69*7c478bd9Sstevel@tonic-gate * Assembly macro to find address of the current CPU. 70*7c478bd9Sstevel@tonic-gate * Used when coming in from a user trap - cannot use THREAD_REG. 71*7c478bd9Sstevel@tonic-gate * Args are destination register and one scratch register. 72*7c478bd9Sstevel@tonic-gate */ 73*7c478bd9Sstevel@tonic-gate #define CPU_ADDR(reg, scr) \ 74*7c478bd9Sstevel@tonic-gate .global cpu; \ 75*7c478bd9Sstevel@tonic-gate CPU_INDEX(scr, reg); \ 76*7c478bd9Sstevel@tonic-gate sll scr, CPTRSHIFT, scr; \ 77*7c478bd9Sstevel@tonic-gate set cpu, reg; \ 78*7c478bd9Sstevel@tonic-gate ldn [reg + scr], reg 79*7c478bd9Sstevel@tonic-gate 80*7c478bd9Sstevel@tonic-gate #define CINT64SHIFT 3 81*7c478bd9Sstevel@tonic-gate 82*7c478bd9Sstevel@tonic-gate /* 83*7c478bd9Sstevel@tonic-gate * Assembly macro to find the physical address of the current CPU. 84*7c478bd9Sstevel@tonic-gate * All memory references using VA must be limited to nucleus 85*7c478bd9Sstevel@tonic-gate * memory to avoid any MMU side effect. 86*7c478bd9Sstevel@tonic-gate */ 87*7c478bd9Sstevel@tonic-gate #define CPU_PADDR(reg, scr) \ 88*7c478bd9Sstevel@tonic-gate .global cpu_pa; \ 89*7c478bd9Sstevel@tonic-gate CPU_INDEX(scr, reg); \ 90*7c478bd9Sstevel@tonic-gate sll scr, CINT64SHIFT, scr; \ 91*7c478bd9Sstevel@tonic-gate set cpu_pa, reg; \ 92*7c478bd9Sstevel@tonic-gate ldx [reg + scr], reg 93*7c478bd9Sstevel@tonic-gate 94*7c478bd9Sstevel@tonic-gate #endif /* _ASM */ 95*7c478bd9Sstevel@tonic-gate 96*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 97*7c478bd9Sstevel@tonic-gate } 98*7c478bd9Sstevel@tonic-gate #endif 99*7c478bd9Sstevel@tonic-gate 100*7c478bd9Sstevel@tonic-gate #endif /* _SYS_MACHTHREAD_H */ 101