257 lines
8.1 KiB
C
257 lines
8.1 KiB
C
/* $NetBSD: cpu.h,v 1.32 2005/12/11 12:18:17 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1982, 1990, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* the Systems Programming Group of the University of Utah Computer
|
|
* Science Department.
|
|
*
|
|
* 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. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
|
*
|
|
* from: Utah $Hdr: cpu.h 1.16 91/03/25$
|
|
*
|
|
* @(#)cpu.h 8.4 (Berkeley) 1/5/94
|
|
*/
|
|
/*
|
|
* Copyright (c) 1988 University of Utah.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* the Systems Programming Group of the University of Utah Computer
|
|
* Science Department.
|
|
*
|
|
* 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 the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
|
*
|
|
* from: Utah $Hdr: cpu.h 1.16 91/03/25$
|
|
*
|
|
* @(#)cpu.h 8.4 (Berkeley) 1/5/94
|
|
*/
|
|
|
|
#ifndef _MACHINE_CPU_H_
|
|
#define _MACHINE_CPU_H_
|
|
|
|
#if defined(_KERNEL)
|
|
|
|
/*
|
|
* Exported definitions unique to mvme68k/68k cpu support.
|
|
*/
|
|
|
|
#if defined(_KERNEL_OPT)
|
|
#include "opt_lockdebug.h"
|
|
#endif
|
|
|
|
/*
|
|
* Get common m68k CPU definitions.
|
|
*/
|
|
#include <m68k/cpu.h>
|
|
#define M68K_MMU_MOTOROLA
|
|
|
|
#include <sys/cpu_data.h>
|
|
struct cpu_info {
|
|
struct cpu_data ci_data; /* MI per-cpu data */
|
|
};
|
|
|
|
extern struct cpu_info cpu_info_store;
|
|
|
|
#define curcpu() (&cpu_info_store)
|
|
|
|
/*
|
|
* definitions of cpu-dependent requirements
|
|
* referenced in generic code
|
|
*/
|
|
#define cpu_swapin(p) /* nothing */
|
|
#define cpu_swapout(p) /* nothing */
|
|
#define cpu_number() 0
|
|
|
|
void cpu_proc_fork(struct proc *, struct proc *);
|
|
|
|
/*
|
|
* Arguments to hardclock and gatherstats encapsulate the previous
|
|
* machine state in an opaque clockframe. One the mvme68k, we use
|
|
* what the hardware pushes on an interrupt (frame format 0).
|
|
*/
|
|
struct clockframe {
|
|
u_short sr; /* sr at time of interrupt */
|
|
u_long pc; /* pc at time of interrupt */
|
|
u_short fmt:4,
|
|
vec:12; /* vector offset (4-word frame) */
|
|
} __attribute__((packed));
|
|
|
|
#define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 0)
|
|
#define CLKF_BASEPRI(framep) (((framep)->sr & PSL_IPL) == 0)
|
|
#define CLKF_PC(framep) ((framep)->pc)
|
|
|
|
/*
|
|
* The clock interrupt handler can determine if it's a nested
|
|
* interrupt by checking for interrupt_depth > 1.
|
|
* (Remember, the clock interrupt handler itself will cause the
|
|
* depth counter to be incremented).
|
|
*/
|
|
extern volatile unsigned int interrupt_depth;
|
|
#define CLKF_INTR(framep) (interrupt_depth > 1)
|
|
|
|
|
|
/*
|
|
* Preempt the current process if in interrupt from user mode,
|
|
* or after the current trap/syscall if in system mode.
|
|
*/
|
|
extern int want_resched; /* resched() was called */
|
|
#define need_resched(ci) { want_resched++; aston(); }
|
|
|
|
/*
|
|
* 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; aston(); }
|
|
|
|
/*
|
|
* Notify the current process (p) that it has a signal pending,
|
|
* process as soon as possible.
|
|
*/
|
|
#define signotify(p) aston()
|
|
|
|
extern int astpending; /* need to trap before returning to user mode */
|
|
#define aston() (astpending++)
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
/*
|
|
* CTL_MACHDEP definitions.
|
|
*/
|
|
#define CPU_CONSDEV 1 /* dev_t: console terminal device */
|
|
#define CPU_MAXID 2 /* number of valid machdep ids */
|
|
|
|
#define CTL_MACHDEP_NAMES { \
|
|
{ 0, 0 }, \
|
|
{ "console_device", CTLTYPE_STRUCT }, \
|
|
}
|
|
|
|
#ifdef _KERNEL
|
|
/*
|
|
* Associate MVME models with CPU types.
|
|
*/
|
|
#define MVME68K 1
|
|
|
|
/*
|
|
* MVME-147; 68030 CPU
|
|
*/
|
|
#if defined(MVME147) && !defined(M68030)
|
|
#define M68030
|
|
#endif
|
|
|
|
/*
|
|
* MVME-162/166/167; 68040 CPU
|
|
*/
|
|
#if (defined(MVME162) || defined(MVME167)) && !defined(M68040)
|
|
#define M68040
|
|
#endif
|
|
|
|
/*
|
|
* MVME-172/177; 68060 CPU
|
|
*/
|
|
#if (defined(MVME172) || defined(MVME177)) && !defined(M68060)
|
|
#define M68060
|
|
#endif
|
|
#endif /* _KERNEL */
|
|
|
|
/*
|
|
* Values for machineid; these match the Bug's values.
|
|
*/
|
|
#define MVME_147 0x147
|
|
#define MVME_162 0x162
|
|
#define MVME_166 0x166
|
|
#define MVME_167 0x167
|
|
#define MVME_172 0x172
|
|
#define MVME_177 0x177
|
|
|
|
#ifdef _KERNEL
|
|
extern int machineid;
|
|
extern int cpuspeed;
|
|
extern char *intiobase, *intiolimit;
|
|
extern u_int intiobase_phys, intiotop_phys;
|
|
extern u_long ether_data_buff_size;
|
|
extern u_char mvme_ea[6];
|
|
|
|
struct frame;
|
|
struct pcb;
|
|
void doboot __P((int))
|
|
__attribute__((__noreturn__));
|
|
int nmihand __P((void *));
|
|
void mvme68k_abort __P((const char *));
|
|
void physaccess __P((caddr_t, caddr_t, int, int));
|
|
void physunaccess __P((caddr_t, int));
|
|
void *iomap __P((u_long, size_t));
|
|
void iounmap __P((void *, size_t));
|
|
int kvtop __P((caddr_t));
|
|
void savectx __P((struct pcb *));
|
|
void switch_exit __P((struct lwp *));
|
|
void switch_lwp_exit __P((struct lwp *));
|
|
void proc_trampoline __P((void));
|
|
void loadustp __P((paddr_t));
|
|
|
|
/* Prototypes from sys_machdep.c: */
|
|
int cachectl1 __P((unsigned long, vaddr_t, size_t, struct proc *));
|
|
int dma_cachectl __P((caddr_t, int));
|
|
|
|
/* physical memory addresses where mvme147's onboard devices live */
|
|
#define INTIOBASE147 (0xfffe0000u)
|
|
#define INTIOTOP147 (0xfffe5000u)
|
|
|
|
/* ditto for mvme1[67][27] */
|
|
#define INTIOBASE1xx (0xfff40000u)
|
|
#define INTIOTOP1xx (0xfffd0000u)
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* _MACHINE_CPU_H_ */
|