1 /* $NetBSD: cpu.h,v 1.10 2001/05/30 12:28:41 mrg Exp $ */ 2 3 /* 4 * Copyright (C) 1995-1997 Wolfgang Solfrank. 5 * Copyright (C) 1995-1997 TooLs GmbH. 6 * All rights reserved. 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 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by TooLs GmbH. 19 * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 #ifndef _MACHINE_CPU_H_ 34 #define _MACHINE_CPU_H_ 35 36 #if defined(_KERNEL_OPT) 37 #include "opt_lockdebug.h" 38 #endif 39 40 #include <machine/frame.h> 41 #include <machine/psl.h> 42 #include <machine/intr.h> 43 44 #include <sys/sched.h> 45 struct cpu_info { 46 struct schedstate_percpu ci_schedstate; /* scheduler state */ 47 #if defined(DIAGNOSTIC) || defined(LOCKDEBUG) 48 u_long ci_spin_locks; /* # of spin locks held */ 49 u_long ci_simple_locks; /* # of simple locks held */ 50 #endif 51 }; 52 53 #ifdef _KERNEL 54 extern struct cpu_info cpu_info_store; 55 56 #define curcpu() (&cpu_info_store) 57 #endif 58 59 #define CLKF_USERMODE(frame) (((frame)->srr1 & PSL_PR) != 0) 60 #define CLKF_BASEPRI(frame) ((frame)->pri == 0) 61 #define CLKF_PC(frame) ((frame)->srr0) 62 #define CLKF_INTR(frame) ((frame)->depth > 0) 63 64 #define PROC_PC(p) (trapframe(p)->srr0) 65 66 #define cpu_swapout(p) 67 #define cpu_wait(p) 68 #define cpu_number() 0 69 70 extern void delay __P((unsigned int)); 71 #define DELAY(n) delay(n) 72 73 extern volatile int want_resched; 74 extern volatile int astpending; 75 76 #define need_resched(ci) (want_resched = 1, astpending = 1) 77 #define need_proftick(p) ((p)->p_flag |= P_OWEUPC, astpending = 1) 78 #define signotify(p) (astpending = 1) 79 80 extern char *bootpath; 81 82 #if defined(_KERNEL) || defined(_STANDALONE) 83 #define CACHELINESIZE 32 84 #endif 85 86 #include <powerpc/cpu.h> 87 88 #endif /* _MACHINE_CPU_H_ */ 89