1 /* $NetBSD: cpu.h,v 1.9 2009/01/06 13:20:34 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 42 /* 43 * XXX: horrible workaround for vax lock.h. 44 * I eventually want to nuke rump include/machine, so don't waste 45 * energy fighting with this. 46 */ 47 #ifdef __vax__ 48 int ci_ipimsgs; 49 #define IPI_SEND_CNCHAR 0 50 #define IPI_DDB 0 51 #endif /* __vax__ */ 52 53 /* 54 * More stinky hacks, this time for powerpc. Will go away eventually. 55 */ 56 #ifdef __powerpc__ 57 struct cache_info { 58 int dcache_size; 59 int dcache_line_size; 60 int icache_size; 61 int icache_line_size; 62 } ci_ci; 63 #endif /* __powerpc */ 64 }; 65 66 /* more dirty rotten vax kludges */ 67 #ifdef __vax__ 68 static __inline void cpu_handle_ipi(void) {} 69 #endif /* __vax__ */ 70 71 #ifdef __powerpc__ 72 void __syncicache(void *, size_t); 73 #endif 74 75 extern struct cpu_info rump_cpu; 76 #define curcpu() (&rump_cpu) 77 #define cpu_number() 0 /* XXX: good enuf? */ 78 79 struct lwp *rump_get_curlwp(void); /* XXX */ 80 #define curlwp rump_get_curlwp() 81 82 #endif /* !_LOCORE */ 83 84 #endif /* _SYS_RUMP_CPU_H_ */ 85