232 lines
7.2 KiB
C
232 lines
7.2 KiB
C
/* $NetBSD: cpu.h,v 1.66 2003/03/01 21:51:59 matt Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1994 Ludd, University of Lule}, Sweden
|
|
* 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 at Ludd, University of Lule}
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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 _VAX_CPU_H_
|
|
#define _VAX_CPU_H_
|
|
|
|
#if defined(_KERNEL_OPT)
|
|
#include "opt_multiprocessor.h"
|
|
#include "opt_lockdebug.h"
|
|
#endif
|
|
|
|
#define CPU_PRINTFATALTRAPS 1
|
|
#define CPU_CONSDEV 2
|
|
#define CPU_BOOTED_DEVICE 3
|
|
#define CPU_BOOTED_KERNEL 4
|
|
#define CPU_MAXID 5
|
|
|
|
#define CTL_MACHDEP_NAMES { \
|
|
{ 0, 0 }, \
|
|
{ "printfataltraps", CTLTYPE_INT }, \
|
|
{ "console_device", CTLTYPE_STRUCT }, \
|
|
{ "booted_device", CTLTYPE_STRING }, \
|
|
{ "booted_kernel", CTLTYPE_STRING }, \
|
|
}
|
|
|
|
#ifdef _KERNEL
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <sys/device.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/sched.h>
|
|
|
|
#include <machine/mtpr.h>
|
|
#include <machine/pcb.h>
|
|
#include <machine/uvax.h>
|
|
#include <machine/psl.h>
|
|
|
|
#define enablertclock()
|
|
#define cpu_wait(p)
|
|
|
|
/*
|
|
* All cpu-dependent info is kept in this struct. Pointer to the
|
|
* struct for the current cpu is set up in locore.c.
|
|
*/
|
|
struct cpu_info;
|
|
|
|
struct cpu_dep {
|
|
void (*cpu_steal_pages)(void); /* pmap init before mm is on */
|
|
int (*cpu_mchk)(caddr_t); /* Machine check handling */
|
|
void (*cpu_memerr)(void); /* Memory subsystem errors */
|
|
/* Autoconfiguration */
|
|
void (*cpu_conf)(void);
|
|
int (*cpu_clkread)(time_t); /* Read cpu clock time */
|
|
void (*cpu_clkwrite)(void); /* Write system time to cpu */
|
|
short cpu_vups; /* speed of cpu */
|
|
short cpu_scbsz; /* (estimated) size of system control block */
|
|
void (*cpu_halt)(void); /* Cpu dependent halt call */
|
|
void (*cpu_reboot)(int); /* Cpu dependent reboot call */
|
|
void (*cpu_clrf)(void); /* Clear cold/warm start flags */
|
|
void (*cpu_subconf)(struct device *);/*config cpu dep. devs */
|
|
int cpu_flags;
|
|
void (*cpu_badaddr)(void); /* cpu-specific badaddr() */
|
|
};
|
|
|
|
#if defined(MULTIPROCESSOR)
|
|
/*
|
|
* All cpu-dependent calls for multicpu systems goes here.
|
|
*/
|
|
struct cpu_mp_dep {
|
|
void (*cpu_startslave)(struct device *, struct cpu_info *);
|
|
void (*cpu_send_ipi)(struct device *dest);
|
|
void (*cpu_cnintr)(void);
|
|
};
|
|
/*
|
|
* NOTE: This is not bit mask, this is bit _number_.
|
|
*/
|
|
#define IPI_START_CNTX 1 /* Start console transmitter, proc out */
|
|
#define IPI_SEND_CNCHAR 2 /* Write char to console, kernel printf */
|
|
#define IPI_RUNNING 3 /* This CPU just started to run */
|
|
#define IPI_TBIA 4 /* Flush the TLB */
|
|
#define IPI_DDB 5 /* Jump into the DDB loop */
|
|
|
|
#define IPI_DEST_MASTER -1 /* Destination is mastercpu */
|
|
#define IPI_DEST_ALL -2 /* Broadcast */
|
|
|
|
extern struct cpu_mp_dep *mp_dep_call;
|
|
#endif /* defined(MULTIPROCESSOR) */
|
|
|
|
#define CPU_RAISEIPL 1 /* Must raise IPL until intr is handled */
|
|
|
|
extern struct cpu_dep *dep_call; /* Holds pointer to current CPU struct. */
|
|
|
|
struct clockframe {
|
|
int pc;
|
|
int ps;
|
|
};
|
|
|
|
struct cpu_info {
|
|
/*
|
|
* Public members.
|
|
*/
|
|
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 lwp *ci_curlwp; /* current owner of the processor */
|
|
|
|
/*
|
|
* Private members.
|
|
*/
|
|
int ci_want_resched; /* Should change process */
|
|
struct device *ci_dev; /* device struct for this cpu */
|
|
long ci_exit; /* Page to use while exiting */
|
|
#if defined(MULTIPROCESSOR)
|
|
struct pcb *ci_pcb; /* Idle PCB for this CPU */
|
|
vaddr_t ci_istack; /* Interrupt stack location */
|
|
int ci_flags; /* See below */
|
|
long ci_ipimsgs; /* Sent IPI bits */
|
|
struct trapframe *ci_ddb_regs; /* Used by DDB */
|
|
#endif
|
|
};
|
|
#define CI_MASTERCPU 1 /* Set if master CPU */
|
|
#define CI_RUNNING 2 /* Set when a slave CPU is running */
|
|
#define CI_STOPPED 4 /* Stopped (in debugger) */
|
|
|
|
extern int cpu_printfataltraps;
|
|
|
|
#if defined(MULTIPROCESSOR)
|
|
/*
|
|
* "helper" struct. All multicpu systems must have the first two field
|
|
* of its cpu softc like this. (used in multicpu.c).
|
|
*/
|
|
struct cpu_mp_softc {
|
|
struct device sc_dev;
|
|
struct cpu_info sc_ci;
|
|
};
|
|
#endif /* defined(MULTIPROCESSOR) */
|
|
|
|
#define curcpu() ((struct cpu_info *)mfpr(PR_SSP))
|
|
#define curlwp (curcpu()->ci_curlwp)
|
|
#define cpu_number() (curcpu()->ci_dev->dv_unit)
|
|
#define ci_cpuid ci_dev->dv_unit
|
|
#define need_resched(ci) {(ci)->ci_want_resched++; mtpr(AST_OK,PR_ASTLVL); }
|
|
#define cpu_proc_fork(x, y)
|
|
#if defined(MULTIPROCESSOR)
|
|
#define CPU_IS_PRIMARY(ci) ((ci)->ci_flags & CI_MASTERCPU)
|
|
|
|
extern char tramp;
|
|
#endif
|
|
|
|
/*
|
|
* Notify the current process (p) that it has a signal pending,
|
|
* process as soon as possible.
|
|
*/
|
|
|
|
#define signotify(p) mtpr(AST_OK,PR_ASTLVL);
|
|
|
|
|
|
/*
|
|
* Give a profiling tick to the current process when the user profiling
|
|
* buffer pages are invalid. On the hp300, request an ast to send us
|
|
* through trap, marking the proc as needing a profiling tick.
|
|
*/
|
|
#define need_proftick(p) {(p)->p_flag |= P_OWEUPC; mtpr(AST_OK,PR_ASTLVL); }
|
|
|
|
/*
|
|
* This defines the I/O device register space size in pages.
|
|
*/
|
|
#define IOSPSZ ((64*1024) / VAX_NBPG) /* 64k == 128 pages */
|
|
|
|
struct device;
|
|
struct buf;
|
|
struct pte;
|
|
|
|
/* Some low-level prototypes */
|
|
#if defined(MULTIPROCESSOR)
|
|
void cpu_slavesetup(struct device *);
|
|
void cpu_boot_secondary_processors(void);
|
|
void cpu_send_ipi(int, int);
|
|
void cpu_handle_ipi(void);
|
|
#endif
|
|
int badaddr(caddr_t, int);
|
|
void dumpconf(void);
|
|
void dumpsys(void);
|
|
void swapconf(void);
|
|
void disk_printtype(int, int);
|
|
void disk_reallymapin(struct buf *, struct pte *, int, int);
|
|
vaddr_t vax_map_physmem(paddr_t, int);
|
|
void vax_unmap_physmem(vaddr_t, int);
|
|
void ioaccess(vaddr_t, paddr_t, int);
|
|
void iounaccess(vaddr_t, int);
|
|
void findcpu(void);
|
|
#ifdef DDB
|
|
int kdbrint(int);
|
|
#endif
|
|
#endif /* _KERNEL */
|
|
#ifdef _STANDALONE
|
|
void findcpu(void);
|
|
#endif
|
|
#endif /* _VAX_CPU_H_ */
|