1 /* $NetBSD: cpu.h,v 1.17 2013/10/30 08:42:45 mrg 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 36 struct 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__ 69 static __inline void cpu_handle_ipi(void) {} 70 #endif /* __vax__ */ 71 72 #ifdef __powerpc__ 73 void __syncicache(void *, size_t); 74 #endif 75 76 struct lwp *rumpuser_curlwp(void); 77 #define curlwp rumpuser_curlwp() 78 79 #define curcpu() (curlwp->l_cpu) 80 #define cpu_number() (cpu_index(curcpu)) 81 82 extern struct cpu_info *rumpcpu_info_list; 83 #define CPU_INFO_ITERATOR int __unused 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