cpu.h revision 1.10.2.3
1 1.10.2.2 bouyer /* $NetBSD: cpu.h,v 1.10.2.3 2001/03/27 15:31:09 bouyer Exp $ */ 2 1.1 tsubai 3 1.1 tsubai /* 4 1.1 tsubai * Copyright (C) 1995-1997 Wolfgang Solfrank. 5 1.1 tsubai * Copyright (C) 1995-1997 TooLs GmbH. 6 1.1 tsubai * All rights reserved. 7 1.1 tsubai * 8 1.1 tsubai * Redistribution and use in source and binary forms, with or without 9 1.1 tsubai * modification, are permitted provided that the following conditions 10 1.1 tsubai * are met: 11 1.1 tsubai * 1. Redistributions of source code must retain the above copyright 12 1.1 tsubai * notice, this list of conditions and the following disclaimer. 13 1.1 tsubai * 2. Redistributions in binary form must reproduce the above copyright 14 1.1 tsubai * notice, this list of conditions and the following disclaimer in the 15 1.1 tsubai * documentation and/or other materials provided with the distribution. 16 1.1 tsubai * 3. All advertising materials mentioning features or use of this software 17 1.1 tsubai * must display the following acknowledgement: 18 1.1 tsubai * This product includes software developed by TooLs GmbH. 19 1.1 tsubai * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 1.1 tsubai * derived from this software without specific prior written permission. 21 1.1 tsubai * 22 1.1 tsubai * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 1.1 tsubai * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 1.1 tsubai * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 1.1 tsubai * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 1.1 tsubai * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 1.1 tsubai * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 1.1 tsubai * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 1.1 tsubai * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 1.1 tsubai * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 1.1 tsubai * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 1.1 tsubai */ 33 1.1 tsubai #ifndef _MACHINE_CPU_H_ 34 1.1 tsubai #define _MACHINE_CPU_H_ 35 1.1 tsubai 36 1.10.2.1 bouyer #if defined(_KERNEL) && !defined(_LKM) 37 1.10.2.1 bouyer #include "opt_lockdebug.h" 38 1.10.2.1 bouyer #include "opt_multiprocessor.h" 39 1.10.2.1 bouyer #endif 40 1.10.2.1 bouyer 41 1.1 tsubai #include <machine/frame.h> 42 1.1 tsubai #include <machine/psl.h> 43 1.1 tsubai #include <machine/intr.h> 44 1.1 tsubai 45 1.10.2.1 bouyer #ifdef _KERNEL 46 1.10.2.1 bouyer #include <sys/sched.h> 47 1.10.2.1 bouyer struct cpu_info { 48 1.10.2.1 bouyer struct schedstate_percpu ci_schedstate; /* scheduler state */ 49 1.10.2.1 bouyer #if defined(DIAGNOSTIC) || defined(LOCKDEBUG) 50 1.10.2.1 bouyer u_long ci_spin_locks; /* # of spin locks held */ 51 1.10.2.1 bouyer u_long ci_simple_locks; /* # of simple locks held */ 52 1.10.2.1 bouyer #endif 53 1.10.2.1 bouyer struct proc *ci_curproc; /* current owner of the processor */ 54 1.10.2.1 bouyer 55 1.10.2.1 bouyer struct pcb *ci_curpcb; 56 1.10.2.1 bouyer struct pmap *ci_curpm; 57 1.10.2.1 bouyer struct proc *ci_fpuproc; 58 1.10.2.1 bouyer struct pcb *ci_idle_pcb; /* PA of our idle pcb */ 59 1.10.2.1 bouyer int ci_cpuid; 60 1.10.2.2 bouyer 61 1.10.2.2 bouyer int ci_astpending; 62 1.10.2.2 bouyer int ci_want_resched; 63 1.10.2.2 bouyer u_long ci_lasttb; 64 1.10.2.2 bouyer int ci_tickspending; 65 1.10.2.2 bouyer int ci_cpl; 66 1.10.2.2 bouyer int ci_ipending; 67 1.10.2.2 bouyer int ci_intrdepth; 68 1.10.2.2 bouyer char *ci_intstk; 69 1.10.2.2 bouyer char *ci_spillstk; 70 1.10.2.2 bouyer int ci_tempsave[8]; 71 1.10.2.2 bouyer int ci_ddbsave[8]; 72 1.10.2.2 bouyer int ci_ipkdbsave[8]; 73 1.10.2.2 bouyer int ci_disisave[4]; 74 1.10.2.1 bouyer }; 75 1.10.2.1 bouyer 76 1.10.2.1 bouyer #ifdef MULTIPROCESSOR 77 1.10.2.1 bouyer static __inline int 78 1.10.2.1 bouyer cpu_number() 79 1.10.2.1 bouyer { 80 1.10.2.1 bouyer int pir; 81 1.10.2.1 bouyer 82 1.10.2.1 bouyer asm ("mfspr %0,1023" : "=r"(pir)); 83 1.10.2.1 bouyer return pir; 84 1.10.2.1 bouyer } 85 1.10.2.1 bouyer 86 1.10.2.3 bouyer static __inline struct cpu_info * 87 1.10.2.3 bouyer curcpu() 88 1.10.2.3 bouyer { 89 1.10.2.3 bouyer struct cpu_info *ci; 90 1.10.2.3 bouyer 91 1.10.2.3 bouyer asm volatile ("mfsprg %0,0" : "=r"(ci)); 92 1.10.2.3 bouyer return ci; 93 1.10.2.3 bouyer } 94 1.10.2.3 bouyer 95 1.10.2.1 bouyer extern struct cpu_info cpu_info[]; 96 1.10.2.1 bouyer 97 1.10.2.1 bouyer #define CPU_IS_PRIMARY(ci) ((ci)->ci_cpuid == 0) 98 1.10.2.1 bouyer #define curproc curcpu()->ci_curproc 99 1.10.2.1 bouyer #define fpuproc curcpu()->ci_fpuproc 100 1.10.2.1 bouyer #define curpcb curcpu()->ci_curpcb 101 1.10.2.1 bouyer #define curpm curcpu()->ci_curpm 102 1.10.2.2 bouyer #define want_resched curcpu()->ci_want_resched 103 1.10.2.2 bouyer #define astpending curcpu()->ci_astpending 104 1.10.2.1 bouyer 105 1.10.2.1 bouyer #else 106 1.10.2.1 bouyer extern struct cpu_info cpu_info_store; 107 1.10.2.2 bouyer extern volatile int want_resched; 108 1.10.2.2 bouyer extern volatile int astpending; 109 1.10.2.1 bouyer 110 1.10.2.1 bouyer #define curcpu() (&cpu_info_store) 111 1.10.2.1 bouyer #define cpu_number() 0 112 1.10.2.1 bouyer 113 1.10.2.1 bouyer #endif /* MULTIPROCESSOR */ 114 1.10.2.1 bouyer 115 1.1 tsubai #define CLKF_USERMODE(frame) (((frame)->srr1 & PSL_PR) != 0) 116 1.1 tsubai #define CLKF_BASEPRI(frame) ((frame)->pri == 0) 117 1.1 tsubai #define CLKF_PC(frame) ((frame)->srr0) 118 1.2 tsubai #define CLKF_INTR(frame) ((frame)->depth > 0) 119 1.1 tsubai 120 1.10.2.2 bouyer #define PROC_PC(p) (trapframe(p)->srr0) 121 1.10.2.2 bouyer 122 1.1 tsubai #define cpu_swapout(p) 123 1.1 tsubai #define cpu_wait(p) 124 1.1 tsubai 125 1.1 tsubai extern void delay __P((unsigned)); 126 1.1 tsubai #define DELAY(n) delay(n) 127 1.1 tsubai 128 1.10.2.1 bouyer #define need_resched(ci) (want_resched = 1, astpending = 1) 129 1.1 tsubai #define need_proftick(p) ((p)->p_flag |= P_OWEUPC, astpending = 1) 130 1.1 tsubai #define signotify(p) (astpending = 1) 131 1.1 tsubai 132 1.10 tsubai extern char bootpath[]; 133 1.10.2.1 bouyer 134 1.10.2.1 bouyer #endif /* _KERNEL */ 135 1.4 tsubai 136 1.7 tsubai #if defined(_KERNEL) || defined(_STANDALONE) 137 1.6 ws #define CACHELINESIZE 32 138 1.6 ws #endif 139 1.1 tsubai 140 1.6 ws #include <powerpc/cpu.h> 141 1.1 tsubai 142 1.1 tsubai #endif /* _MACHINE_CPU_H_ */ 143
Indexes created Wed Oct 22 13:09:56 GMT 2025