NetBSD/sys/arch/powerpc/include/cpu.h

188 lines
5.6 KiB
C

/* $NetBSD: cpu.h,v 1.11 2001/12/05 05:02:10 chs Exp $ */
/*
* Copyright (C) 1999 Wolfgang Solfrank.
* Copyright (C) 1999 TooLs GmbH.
* Copyright (C) 1995-1997 Wolfgang Solfrank.
* Copyright (C) 1995-1997 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _POWERPC_CPU_H_
#define _POWERPC_CPU_H_
#if defined(_KERNEL_OPT)
#include "opt_lockdebug.h"
#include "opt_multiprocessor.h"
#endif
#include <sys/device.h>
#include <machine/frame.h>
#include <machine/psl.h>
#include <machine/intr.h>
#ifdef _KERNEL
#include <sys/sched.h>
struct cpu_info {
struct schedstate_percpu ci_schedstate; /* scheduler state */
#if defined(DIAGNOSTIC) || defined(LOCKDEBUG)
u_long ci_spin_locks; /* # of spin locks held */
u_long ci_simple_locks; /* # of simple locks held */
#endif
struct device *ci_dev; /* device of corresponding cpu */
struct proc *ci_curproc; /* current owner of the processor */
struct pcb *ci_curpcb;
struct pmap *ci_curpm;
struct proc *ci_fpuproc;
struct pcb *ci_idle_pcb; /* PA of our idle pcb */
int ci_cpuid;
int ci_astpending;
int ci_want_resched;
u_long ci_lasttb;
int ci_tickspending;
int ci_cpl;
int ci_ipending;
int ci_intrdepth;
char *ci_intstk;
char *ci_spillstk;
int ci_tempsave[8];
int ci_ddbsave[8];
int ci_ipkdbsave[8];
int ci_disisave[4];
struct evcnt ci_ev_traps; /* calls to trap() */
struct evcnt ci_ev_kdsi; /* kernel DSI traps */
struct evcnt ci_ev_udsi; /* user DSI traps */
struct evcnt ci_ev_udsi_fatal; /* user DSI trap failures */
struct evcnt ci_ev_isi; /* user ISI traps */
struct evcnt ci_ev_isi_fatal; /* user ISI trap failures */
struct evcnt ci_ev_pgm; /* user PGM traps */
struct evcnt ci_ev_fpu; /* FPU traps */
struct evcnt ci_ev_fpusw; /* FPU context switch */
struct evcnt ci_ev_ali; /* Alignment traps */
struct evcnt ci_ev_ali_fatal; /* Alignment fatal trap */
struct evcnt ci_ev_scalls; /* system call traps */
struct evcnt ci_ev_vec; /* Altivec traps */
struct evcnt ci_ev_vecsw; /* Altivec context switches */
};
#ifdef MULTIPROCESSOR
static __inline int
cpu_number(void)
{
int pir;
asm ("mfspr %0,1023" : "=r"(pir));
return pir;
}
static __inline struct cpu_info *
curcpu(void)
{
struct cpu_info *ci;
asm volatile ("mfsprg %0,0" : "=r"(ci));
return ci;
}
void cpu_boot_secondary_processors(void);
extern struct cpu_info cpu_info[];
#define CPU_IS_PRIMARY(ci) ((ci)->ci_cpuid == 0)
#define curproc curcpu()->ci_curproc
#define fpuproc curcpu()->ci_fpuproc
#define curpcb curcpu()->ci_curpcb
#define curpm curcpu()->ci_curpm
#define want_resched curcpu()->ci_want_resched
#define astpending curcpu()->ci_astpending
#define intr_depth curcpu()->ci_intrdepth
#else
extern struct cpu_info cpu_info_store;
extern volatile int want_resched;
extern volatile int astpending;
extern volatile int intr_depth;
#define curcpu() (&cpu_info_store)
#define cpu_number() 0
#endif /* MULTIPROCESSOR */
#define CLKF_USERMODE(frame) (((frame)->srr1 & PSL_PR) != 0)
#define CLKF_BASEPRI(frame) ((frame)->pri == 0)
#define CLKF_PC(frame) ((frame)->srr0)
#define CLKF_INTR(frame) ((frame)->depth > 0)
#define PROC_PC(p) (trapframe(p)->srr0)
#define cpu_swapout(p)
#define cpu_wait(p)
extern int powersave;
extern int cpu_timebase;
extern int cpu_printfataltraps;
extern struct cpu_info *cpu_attach_common(struct device *, int);
extern void cpu_identify(char *, size_t);
extern void delay (unsigned int);
#define DELAY(n) delay(n)
#define need_resched(ci) (want_resched = 1, astpending = 1)
#define need_proftick(p) ((p)->p_flag |= P_OWEUPC, astpending = 1)
#define signotify(p) (astpending = 1)
#endif /* _KERNEL */
#if defined(_KERNEL) || defined(_STANDALONE)
#if !defined(CACHELINESIZE)
#define CACHELINESIZE 32
#endif
#endif
void __syncicache(void *, int);
/*
* CTL_MACHDEP definitions.
*/
#define CPU_CACHELINE 1
#define CPU_TIMEBASE 2
#define CPU_CPUTEMP 3
#define CPU_PRINTFATALTRAPS 4
#define CPU_MAXID 5
#define CTL_MACHDEP_NAMES { \
{ 0, 0 }, \
{ "cachelinesize", CTLTYPE_INT }, \
{ "timebase", CTLTYPE_INT }, \
{ "cputempature", CTLTYPE_INT }, \
{ "printfataltraps", CTLTYPE_INT }, \
}
#endif /* _POWERPC_CPU_H_ */