1/* $NetBSD: cpu.h,v 1.14 2011/01/04 16:23:35 pooka Exp $ */ 2 3/* 4 * Copyright (c) 2008-2011 Antti Kantee. All Rights Reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#ifndef _SYS_RUMP_CPU_H_ 29#define _SYS_RUMP_CPU_H_ 30 31#ifndef _LOCORE 32 33#include <sys/cpu_data.h> 34#include <machine/pcb.h> 35 36struct cpu_info { 37 struct cpu_data ci_data; 38 cpuid_t ci_cpuid; 39 struct lwp *ci_curlwp; 40 41 struct cpu_info *ci_next; 42 43/* 44 * XXX: horrible workaround for vax lock.h. 45 * I eventually want to nuke rump include/machine, so don't waste 46 * energy fighting with this. 47 */ 48#ifdef __vax__ 49 int ci_ipimsgs; 50#define IPI_SEND_CNCHAR 0 51#define IPI_DDB 0 52#endif /* __vax__ */ 53 54/* 55 * More stinky hacks, this time for powerpc. Will go away eventually. 56 */ 57#ifdef __powerpc__ 58 struct cache_info { 59 int dcache_size; 60 int dcache_line_size; 61 int icache_size; 62 int icache_line_size; 63 } ci_ci; 64#endif /* __powerpc */ 65}; 66 67/* more dirty rotten vax kludges */ 68#ifdef __vax__ 69static __inline void cpu_handle_ipi(void) {} 70#endif /* __vax__ */ 71 72#ifdef __powerpc__ 73void __syncicache(void *, size_t); 74#endif 75 76struct lwp *rumpuser_get_curlwp(void); 77#define curlwp rumpuser_get_curlwp() 78 79#define curcpu() (curlwp->l_cpu) 80#define cpu_number() (cpu_index(curcpu)) 81 82extern struct cpu_info *rumpcpu_info_list; 83#define CPU_INFO_ITERATOR int 84#define CPU_INFO_FOREACH(_cii_, _ci_) _cii_ = 0, _ci_ = rumpcpu_info_list; \ 85 _ci_ != NULL; _ci_ = _ci_->ci_next 86#define CPU_IS_PRIMARY(_ci_) (_ci_->ci_index == 0) 87 88 89#endif /* !_LOCORE */ 90 91#endif /* _SYS_RUMP_CPU_H_ */ 92