1 /* $NetBSD: cpu.h,v 1.14 2011/01/04 16:23:35 pooka Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Antti Kantee. All Rights Reserved. 5 * 6 * Development of this software was supported by Google Summer of Code. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef _SYS_RUMP_CPU_H_ 31 #define _SYS_RUMP_CPU_H_ 32 33 #ifndef _LOCORE 34 35 #include <sys/cpu_data.h> 36 #include <machine/pcb.h> 37 38 struct cpu_info { 39 struct cpu_data ci_data; 40 cpuid_t ci_cpuid; 41 struct lwp *ci_curlwp; 42 43 struct cpu_info *ci_next; 44 45 /* 46 * XXX: horrible workaround for vax lock.h. 47 * I eventually want to nuke rump include/machine, so don't waste 48 * energy fighting with this. 49 */ 50 #ifdef __vax__ 51 int ci_ipimsgs; 52 #define IPI_SEND_CNCHAR 0 53 #define IPI_DDB 0 54 #endif /* __vax__ */ 55 56 /* 57 * More stinky hacks, this time for powerpc. Will go away eventually. 58 */ 59 #ifdef __powerpc__ 60 struct cache_info { 61 int dcache_size; 62 int dcache_line_size; 63 int icache_size; 64 int icache_line_size; 65 } ci_ci; 66 #endif /* __powerpc */ 67 }; 68 69 /* more dirty rotten vax kludges */ 70 #ifdef __vax__ 71 static __inline void cpu_handle_ipi(void) {} 72 #endif /* __vax__ */ 73 74 #ifdef __powerpc__ 75 void __syncicache(void *, size_t); 76 #endif 77 78 struct lwp *rumpuser_get_curlwp(void); 79 #define curlwp rumpuser_get_curlwp() 80 81 #define curcpu() (curlwp->l_cpu) 82 #define cpu_number() (cpu_index(curcpu)) 83 84 extern struct cpu_info *rumpcpu_info_list; 85 #define CPU_INFO_ITERATOR int 86 #define CPU_INFO_FOREACH(_cii_, _ci_) _cii_ = 0, _ci_ = rumpcpu_info_list; \ 87 _ci_ != NULL; _ci_ = _ci_->ci_next 88 #define CPU_IS_PRIMARY(_ci_) (_ci_->ci_index == 0) 89 90 91 #endif /* !_LOCORE */ 92 93 #endif /* _SYS_RUMP_CPU_H_ */ 94