235 lines
6.5 KiB
C
235 lines
6.5 KiB
C
/* $NetBSD: cpu.h,v 1.48 1999/10/14 21:40:05 is Exp $ */
|
|
|
|
/*
|
|
* 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 amiga/68k cpu support.
|
|
*/
|
|
|
|
/*
|
|
* Get common m68k CPU definitions.
|
|
*/
|
|
#include <m68k/cpu.h>
|
|
#define M68K_MMU_MOTOROLA
|
|
|
|
/*
|
|
* definitions of cpu-dependent requirements
|
|
* referenced in generic code
|
|
*/
|
|
#define cpu_swapin(p) /* nothing */
|
|
#define cpu_wait(p) /* nothing */
|
|
#define cpu_swapout(p) /* nothing */
|
|
#define cpu_number() 0
|
|
|
|
/*
|
|
* Arguments to hardclock and gatherstats encapsulate the previous
|
|
* machine state in an opaque clockframe. One the hp300, 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 vo; /* vector offset (4-word frame) */
|
|
};
|
|
|
|
#define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 0)
|
|
/*#define CLKF_BASEPRI(framep) (((framep)->sr & PSL_IPL) == 0)*/
|
|
#define CLKF_BASEPRI(framep) (0)
|
|
#define CLKF_PC(framep) ((framep)->pc)
|
|
#if 0
|
|
/* We would like to do it this way... */
|
|
#define CLKF_INTR(framep) (((framep)->sr & PSL_M) == 0)
|
|
#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.
|
|
*/
|
|
extern int want_resched; /* resched() was called */
|
|
#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()
|
|
|
|
extern int astpending; /* need trap before returning to user mode */
|
|
#define setsoftast() (astpending = 1)
|
|
|
|
|
|
/* include support for software interrupts */
|
|
#include <machine/mtpr.h>
|
|
|
|
/*
|
|
* The rest of this should probably be moved to ../amiga/amigacpu.h,
|
|
* although some of it could probably be put into generic 68k headers.
|
|
*/
|
|
|
|
/* values for machineid (happen to be AFF_* settings of AttnFlags) */
|
|
#define AMIGA_68020 (1L<<1)
|
|
#define AMIGA_68030 (1L<<2)
|
|
#define AMIGA_68040 (1L<<3)
|
|
#define AMIGA_68881 (1L<<4)
|
|
#define AMIGA_68882 (1L<<5)
|
|
#define AMIGA_FPU40 (1L<<6)
|
|
#define AMIGA_68060 (1L<<7)
|
|
|
|
#ifdef _KERNEL
|
|
int machineid;
|
|
#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 }, \
|
|
}
|
|
|
|
#ifdef _KERNEL
|
|
/*
|
|
* Prototypes from amiga_init.c
|
|
*/
|
|
void *alloc_z2mem __P((long));
|
|
|
|
/*
|
|
* Prototypes from autoconf.c
|
|
*/
|
|
int is_a1200 __P((void));
|
|
int is_a3000 __P((void));
|
|
int is_a4000 __P((void));
|
|
#ifdef DRACO
|
|
#define is_draco() ((machineid >> 24) == 0x7d ? (machineid >> 16) & 0xff : 0)
|
|
#endif
|
|
|
|
/*
|
|
* Prototypes from clock.c
|
|
*/
|
|
u_long clkread __P((void));
|
|
|
|
#ifdef DRACO
|
|
/*
|
|
* Prototypes from kbd.c
|
|
*/
|
|
void drkbdintr __P((void));
|
|
|
|
/*
|
|
* Prototypes from drsc.c
|
|
*/
|
|
void drsc_handler __P((void));
|
|
#endif
|
|
|
|
/*
|
|
* Prototypes from locore.s
|
|
*/
|
|
struct fpframe;
|
|
struct user;
|
|
struct pcb;
|
|
|
|
void clearseg __P((vm_offset_t));
|
|
void doboot __P((void)) __attribute__((__noreturn__));
|
|
void loadustp __P((int));
|
|
#ifdef FPCOPROC
|
|
void m68881_save __P((struct fpframe *));
|
|
void m68881_restore __P((struct fpframe *));
|
|
#endif
|
|
void physcopyseg __P((vm_offset_t, vm_offset_t));
|
|
u_int probeva __P((u_int, u_int));
|
|
void proc_trampoline __P((void));
|
|
void savectx __P((struct pcb *));
|
|
void switch_exit __P((struct proc *));
|
|
|
|
/*
|
|
* Prototypes from machdep.c
|
|
*/
|
|
int badaddr __P((caddr_t));
|
|
int badbaddr __P((caddr_t));
|
|
void bootsync __P((void));
|
|
void dumpconf __P((void));
|
|
|
|
/*
|
|
* Prototypes from sys_machdep.c:
|
|
*/
|
|
int cachectl1 __P((unsigned long, vaddr_t, size_t, struct proc *));
|
|
int dma_cachectl __P((caddr_t, int));
|
|
|
|
/*
|
|
* Prototypes from vm_machdep.c
|
|
*/
|
|
int 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));
|
|
|
|
/*
|
|
* Prototypes from pmap.c:
|
|
*/
|
|
void pmap_bootstrap __P((vm_offset_t, vm_offset_t));
|
|
|
|
/*
|
|
* Prototypes from trap.c:
|
|
*/
|
|
void child_return __P((void *));
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* !_MACHINE_CPU_H_ */
|