186 lines
5.6 KiB
C
186 lines
5.6 KiB
C
/* $NetBSD: cpu.h,v 1.10 2001/08/28 03:03:43 matt 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()
|
|
{
|
|
int pir;
|
|
|
|
asm ("mfspr %0,1023" : "=r"(pir));
|
|
return pir;
|
|
}
|
|
|
|
static __inline struct cpu_info *
|
|
curcpu()
|
|
{
|
|
struct cpu_info *ci;
|
|
|
|
asm volatile ("mfsprg %0,0" : "=r"(ci));
|
|
return ci;
|
|
}
|
|
|
|
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_ */
|