cpu.h revision 1.13
1/* $NetBSD: cpu.h,v 1.13 2001/01/14 02:00:41 thorpej 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) && !defined(_LKM) 37#include "opt_lockdebug.h" 38#endif 39 40#include <machine/frame.h> 41 42#include <sys/sched.h> 43struct cpu_info { 44 struct schedstate_percpu ci_schedstate; /* scheduler state */ 45#if defined(DIAGNOSTIC) || defined(LOCKDEBUG) 46 u_long ci_spin_locks; /* # of spin locks held */ 47 u_long ci_simple_locks; /* # of simple locks held */ 48#endif 49}; 50 51#ifdef _KERNEL 52extern struct cpu_info cpu_info_store; 53 54#define curcpu() (&cpu_info_store) 55#endif 56 57struct machvec { 58 int (*splhigh) __P((void)); 59 int (*spl0) __P((void)); 60 int (*splbio) __P((void)); 61 int (*splnet) __P((void)); 62 int (*spltty) __P((void)); 63 int (*splimp) __P((void)); 64 int (*splclock) __P((void)); 65 int (*spllowersoftclock) __P((void)); 66 int (*splsoftclock) __P((void)); 67 int (*splsoftnet) __P((void)); 68 int (*splx) __P((int)); 69 void (*setsoftclock) __P((void)); 70 void (*setsoftnet) __P((void)); 71 void (*clock_return) __P((struct clockframe *, int)); 72 void (*irq_establish) __P((int, int, void (*)(void *), void *)); 73}; 74extern struct machvec machine_interface; 75 76#include <machine/psl.h> 77 78#define splhigh() ((*machine_interface.splhigh)()) 79#define spl0() ((*machine_interface.spl0)()) 80#define splbio() ((*machine_interface.splbio)()) 81#define splnet() ((*machine_interface.splnet)()) 82#define spltty() ((*machine_interface.spltty)()) 83#define splimp() ((*machine_interface.splimp)()) 84#define splvm() ((*machine_interface.splimp)()) 85#define splclock() ((*machine_interface.splclock)()) 86#define spllowersoftclock() ((*machine_interface.spllowersoftclock)()) 87#define splsoftclock() ((*machine_interface.splsoftclock)()) 88#define splstatclock() splclock() 89#define splsoftnet() ((*machine_interface.splsoftnet)()) 90#define splx(new) ((*machine_interface.splx)(new)) 91#define setsoftclock() ((*machine_interface.setsoftclock)()) 92#define setsoftnet() ((*machine_interface.setsoftnet)()) 93#define clock_return(frame, level) \ 94 ((*machine_interface.clock_return)((frame), (level))) 95#define irq_establish(irq, level, handler, arg) \ 96 ((*machine_interface.irq_establish)((irq), (level), (handler), (arg))) 97 98#define splsched() splhigh() 99#define spllock() splhigh() 100 101#define CLKF_USERMODE(frame) (((frame)->srr1 & PSL_PR) != 0) 102#define CLKF_BASEPRI(frame) ((frame)->pri == 0) 103#define CLKF_PC(frame) ((frame)->srr0) 104#define CLKF_INTR(frame) ((frame)->depth >= 0) 105 106#define PROC_PC(p) (trapframe(p)->srr0) 107 108#define cpu_swapout(p) 109#define cpu_wait(p) 110#define cpu_number() 0 111 112extern void delay __P((unsigned)); 113#define DELAY(n) delay(n) 114 115extern __volatile int want_resched; 116extern __volatile int astpending; 117 118#define need_resched(ci) (want_resched = 1, astpending = 1) 119#define need_proftick(p) ((p)->p_flag |= P_OWEUPC, astpending = 1) 120#define signotify(p) (astpending = 1) 121 122extern char *bootpath; 123 124#if defined(_KERNEL) || defined(_STANDALONE) 125#define CACHELINESIZE 32 126#endif 127 128#include <powerpc/cpu.h> 129 130#endif /* _MACHINE_CPU_H_ */ 131