1999-08-11 01:08:05 +04:00
|
|
|
/* $NetBSD: cpu.h,v 1.32 1999/08/10 21:08:06 thorpej Exp $ */
|
1995-03-26 11:12:03 +04:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Copyright (c) 1988 University of Utah.
|
|
|
|
* Copyright (c) 1982, 1990 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. 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 7.7 (Berkeley) 6/27/91
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef _MACHINE_CPU_H_
|
|
|
|
#define _MACHINE_CPU_H_
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Exported definitions unique to atari/68k cpu support.
|
|
|
|
*/
|
|
|
|
|
1996-09-11 04:11:42 +04:00
|
|
|
/*
|
|
|
|
* Get common m68k CPU definitions.
|
|
|
|
*/
|
|
|
|
#include <m68k/cpu.h>
|
|
|
|
#define M68K_MMU_MOTOROLA
|
|
|
|
|
1995-03-26 11:12:03 +04:00
|
|
|
/*
|
|
|
|
* definitions of cpu-dependent requirements
|
|
|
|
* referenced in generic code
|
|
|
|
*/
|
|
|
|
#define cpu_swapin(p) /* nothing */
|
|
|
|
#define cpu_wait(p) /* nothing */
|
1995-05-14 19:26:55 +04:00
|
|
|
#define cpu_swapout(p) /* nothing */
|
1999-08-11 01:08:05 +04:00
|
|
|
#define cpu_number() 0
|
1995-03-26 11:12:03 +04:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Arguments to hardclock and gatherstats encapsulate the previous
|
|
|
|
* machine state in an opaque clockframe. On the hp300, we use
|
|
|
|
* what the hardware pushes on an interrupt (frame format 0).
|
|
|
|
*/
|
|
|
|
struct clockframe {
|
1996-12-18 15:35:19 +03:00
|
|
|
u_int cf_regs[4]; /* d0,d1,a0,a1 (see locore.s) */
|
|
|
|
u_short cf_sr; /* sr at time of interrupt */
|
|
|
|
u_long cf_pc; /* pc at time of interrupt */
|
|
|
|
u_short cf_vo; /* vector offset (4-word frame) */
|
1995-03-26 11:12:03 +04:00
|
|
|
};
|
|
|
|
|
1996-12-18 15:35:19 +03:00
|
|
|
#define CLKF_USERMODE(framep) (((framep)->cf_sr & PSL_S) == 0)
|
|
|
|
#define CLKF_BASEPRI(framep) (((framep)->cf_sr & PSL_IPL) == 0)
|
|
|
|
#define CLKF_PC(framep) ((framep)->cf_pc)
|
1995-03-26 11:12:03 +04:00
|
|
|
#if 0
|
|
|
|
/* We would like to do it this way... */
|
1996-12-18 15:35:19 +03:00
|
|
|
#define CLKF_INTR(framep) (((framep)->cf_sr & PSL_M) == 0)
|
1995-03-26 11:12:03 +04:00
|
|
|
#else
|
|
|
|
/* but until we start using PSL_M, we have to do this instead */
|
|
|
|
#define CLKF_INTR(framep) (0) /* XXX */
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Preempt the current process if in interrupt from user mode,
|
|
|
|
* or after the current trap/syscall if in system mode.
|
|
|
|
*/
|
|
|
|
#define need_resched() {want_resched = 1; setsoftast();}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Give a profiling tick to the current process from the softclock
|
|
|
|
* interrupt. On hp300, request an ast to send us through trap(),
|
|
|
|
* marking the proc as needing a profiling tick.
|
|
|
|
*/
|
|
|
|
#define profile_tick(p, framep) ((p)->p_flag |= P_OWEUPC, setsoftast())
|
|
|
|
#define need_proftick(p) ((p)->p_flag |= P_OWEUPC, setsoftast())
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Notify the current process (p) that it has a signal pending,
|
|
|
|
* process as soon as possible.
|
|
|
|
*/
|
|
|
|
#define signotify(p) setsoftast()
|
|
|
|
|
|
|
|
#define setsoftast() (astpending = 1)
|
|
|
|
|
|
|
|
extern int astpending; /* need trap before returning to user mode */
|
|
|
|
extern int want_resched; /* resched() was called */
|
|
|
|
|
1995-04-30 15:56:22 +04:00
|
|
|
/* include support for software interrupts */
|
|
|
|
#include <machine/mtpr.h>
|
1995-03-26 11:12:03 +04:00
|
|
|
|
|
|
|
/*
|
|
|
|
* The rest of this should probably be moved to ../atari/ataricpu.h,
|
|
|
|
* although some of it could probably be put into generic 68k headers.
|
|
|
|
*/
|
|
|
|
#define BASEPRI(sr) ((sr & PSL_IPL) == 0)
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Values for machineid.
|
|
|
|
*/
|
1996-01-19 16:46:56 +03:00
|
|
|
#define ATARI_68000 1 /* 68000 CPU */
|
|
|
|
#define ATARI_68010 (1<<1) /* 68010 CPU */
|
|
|
|
#define ATARI_68020 (1L<<2) /* 68020 CPU */
|
|
|
|
#define ATARI_68030 (1L<<3) /* 68030 CPU */
|
|
|
|
#define ATARI_68040 (1L<<4) /* 68040 CPU */
|
1997-06-02 16:03:40 +04:00
|
|
|
#define ATARI_68060 (1L<<6) /* 68060 CPU */
|
1995-04-30 15:56:22 +04:00
|
|
|
#define ATARI_TT (1L<<11)
|
|
|
|
#define ATARI_FALCON (1L<<12)
|
1996-08-23 15:21:01 +04:00
|
|
|
#define ATARI_HADES (1L<<13)
|
1995-03-26 11:12:03 +04:00
|
|
|
|
1995-05-29 01:02:21 +04:00
|
|
|
#define ATARI_CLKBROKEN (1L<<16)
|
|
|
|
|
1996-01-19 16:46:56 +03:00
|
|
|
#define ATARI_ANYCPU (ATARI_68000|ATARI_68010|ATARI_68020|ATARI_68030 \
|
1997-06-02 16:03:40 +04:00
|
|
|
|ATARI_68040|ATARI_68060)
|
1995-03-26 11:12:03 +04:00
|
|
|
|
1996-08-23 15:21:01 +04:00
|
|
|
#define ATARI_ANYMACH (ATARI_TT|ATARI_FALCON|ATARI_HADES)
|
|
|
|
|
1995-03-30 10:01:13 +04:00
|
|
|
#ifdef _KERNEL
|
1997-01-04 01:54:22 +03:00
|
|
|
extern int machineid;
|
1995-03-26 11:12:03 +04:00
|
|
|
#endif
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 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 }, \
|
|
|
|
}
|
|
|
|
|
1996-04-18 12:51:11 +04:00
|
|
|
#ifdef _KERNEL
|
|
|
|
/*
|
|
|
|
* Prototypes from atari_init.c
|
|
|
|
*/
|
|
|
|
int cpu_dump __P((int (*)(dev_t, daddr_t, caddr_t, size_t), daddr_t *));
|
|
|
|
int cpu_dumpsize __P((void));
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Prototypes from autoconf.c
|
|
|
|
*/
|
|
|
|
void config_console __P((void));
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Prototypes from clock.c
|
|
|
|
*/
|
|
|
|
long clkread __P((void));
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Prototypes from disksubr.c
|
|
|
|
*/
|
|
|
|
struct buf;
|
|
|
|
struct disklabel;
|
|
|
|
int bounds_check_with_label __P((struct buf *, struct disklabel *, int));
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Prototypes from fpu.c
|
|
|
|
*/
|
|
|
|
char *fpu_describe __P((int));
|
|
|
|
int fpu_probe __P((void));
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Prototypes from vm_machdep.c
|
|
|
|
*/
|
1998-09-02 18:58:01 +04:00
|
|
|
int badbaddr __P((caddr_t, int));
|
|
|
|
void consinit __P((void));
|
|
|
|
void dumpconf __P((void));
|
|
|
|
paddr_t kvtop __P((caddr_t));
|
|
|
|
void physaccess __P((caddr_t, caddr_t, int, int));
|
|
|
|
void physunaccess __P((caddr_t, int));
|
|
|
|
void setredzone __P((u_int *, caddr_t));
|
1996-04-18 12:51:11 +04:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Prototypes from locore.s
|
|
|
|
*/
|
|
|
|
struct fpframe;
|
|
|
|
struct user;
|
|
|
|
struct pcb;
|
|
|
|
|
1998-09-02 18:58:01 +04:00
|
|
|
void clearseg __P((paddr_t));
|
1996-04-18 12:51:11 +04:00
|
|
|
void doboot __P((void));
|
|
|
|
void loadustp __P((int));
|
|
|
|
void m68881_save __P((struct fpframe *));
|
|
|
|
void m68881_restore __P((struct fpframe *));
|
1998-09-02 18:58:01 +04:00
|
|
|
void physcopyseg __P((paddr_t, paddr_t));
|
1996-04-18 12:51:11 +04:00
|
|
|
u_int probeva __P((u_int, u_int));
|
|
|
|
void proc_trampoline __P((void));
|
|
|
|
void savectx __P((struct pcb *));
|
1996-09-10 12:45:16 +04:00
|
|
|
int suline __P((caddr_t, caddr_t));
|
1996-04-18 12:51:11 +04:00
|
|
|
void switch_exit __P((struct proc *));
|
1998-09-02 18:58:01 +04:00
|
|
|
void DCIAS __P((vaddr_t));
|
1996-08-23 15:21:01 +04:00
|
|
|
void DCIA __P((void));
|
1996-04-18 12:51:11 +04:00
|
|
|
void DCIS __P((void));
|
|
|
|
void DCIU __P((void));
|
|
|
|
void ICIA __P((void));
|
|
|
|
void ICPA __P((void));
|
|
|
|
void PCIA __P((void));
|
|
|
|
void TBIA __P((void));
|
1998-09-02 18:58:01 +04:00
|
|
|
void TBIS __P((vaddr_t));
|
1996-04-18 12:51:11 +04:00
|
|
|
void TBIAS __P((void));
|
|
|
|
void TBIAU __P((void));
|
|
|
|
|
1996-08-23 15:21:01 +04:00
|
|
|
#if defined(M68040) || defined(M68060)
|
|
|
|
void DCFA __P((void));
|
1998-09-02 18:58:01 +04:00
|
|
|
void DCFP __P((paddr_t));
|
|
|
|
void DCFL __P((paddr_t));
|
|
|
|
void DCPL __P((paddr_t));
|
|
|
|
void DCPP __P((paddr_t));
|
|
|
|
void ICPL __P((paddr_t));
|
|
|
|
void ICPP __P((paddr_t));
|
1996-08-23 15:21:01 +04:00
|
|
|
#endif
|
|
|
|
|
1996-04-18 12:51:11 +04:00
|
|
|
/*
|
|
|
|
* Prototypes from machdep.c:
|
|
|
|
*/
|
|
|
|
typedef void (*si_farg)(void *, void *); /* XXX */
|
|
|
|
void add_sicallback __P((si_farg, void *, void *));
|
|
|
|
void rem_sicallback __P((si_farg));
|
|
|
|
void cpu_startup __P((void));
|
|
|
|
void dumpsys __P((void));
|
1998-09-02 18:58:01 +04:00
|
|
|
vaddr_t reserve_dumppages __P((vaddr_t));
|
1996-04-18 12:51:11 +04:00
|
|
|
void softint __P((void));
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Prototypes from nvram.c:
|
|
|
|
*/
|
|
|
|
struct uio;
|
|
|
|
int nvram_uio __P((struct uio *));
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Prototypes from sys_machdep.c:
|
|
|
|
*/
|
1999-02-27 01:37:57 +03:00
|
|
|
int cachectl1 __P((unsigned long, vaddr_t, size_t, struct proc *));
|
1996-04-18 12:51:11 +04:00
|
|
|
int dma_cachectl __P((caddr_t, int));
|
|
|
|
|
1998-02-19 19:16:51 +03:00
|
|
|
/*
|
|
|
|
* Prototypes from pci_machdep.c
|
|
|
|
*/
|
|
|
|
void init_pci_bus __P((void));
|
|
|
|
|
1996-04-18 12:51:11 +04:00
|
|
|
/*
|
|
|
|
* Prototypes from trap.c:
|
|
|
|
*/
|
1998-11-11 09:41:23 +03:00
|
|
|
void child_return __P((void *));
|
1996-04-18 12:51:11 +04:00
|
|
|
|
|
|
|
#endif /* _KERNEL */
|
1995-03-26 11:12:03 +04:00
|
|
|
#endif /* !_MACHINE_CPU_H_ */
|