NetBSD/sys/arch/atari/include/cpu.h

293 lines
8.2 KiB
C

/* $NetBSD: cpu.h,v 1.38 2001/09/08 11:16:43 thomas 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 atari/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/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
};
#ifdef _KERNEL
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_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. On the hp300, we use
* what the hardware pushes on an interrupt (frame format 0).
*/
struct clockframe {
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) */
} __attribute__((packed));
#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)
#if 0
/* We would like to do it this way... */
#define CLKF_INTR(framep) (((framep)->cf_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.
*/
#define need_resched(ci) {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 */
#endif /* _KERNEL */
/* include support for software interrupts */
#include <machine/mtpr.h>
/*
* 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.
*/
#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 */
#define ATARI_68060 (1L<<6) /* 68060 CPU */
#define ATARI_TT (1L<<11) /* This is a TT030 */
#define ATARI_FALCON (1L<<12) /* Falcon */
#define ATARI_HADES (1L<<13) /* Hades */
#define ATARI_MILAN (1L<<14) /* Milan */
#define ATARI_CLKBROKEN (1L<<16)
#define ATARI_ANYCPU (ATARI_68000|ATARI_68010|ATARI_68020|ATARI_68030 \
|ATARI_68040|ATARI_68060)
#define ATARI_ANYMACH (ATARI_TT|ATARI_FALCON|ATARI_HADES|ATARI_MILAN)
#ifdef _KERNEL
extern 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 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
*/
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));
/*
* Prototypes from locore.s
*/
struct fpframe;
struct user;
struct pcb;
void clearseg __P((paddr_t));
void doboot __P((void));
void loadustp __P((int));
void m68881_save __P((struct fpframe *));
void m68881_restore __P((struct fpframe *));
void physcopyseg __P((paddr_t, paddr_t));
u_int probeva __P((u_int, u_int));
void proc_trampoline __P((void));
void savectx __P((struct pcb *));
int suline __P((caddr_t, caddr_t));
void switch_exit __P((struct proc *));
void DCIAS __P((vaddr_t));
void DCIA __P((void));
void DCIS __P((void));
void DCIU __P((void));
void ICIA __P((void));
void ICPA __P((void));
void PCIA __P((void));
void TBIA __P((void));
void TBIS __P((vaddr_t));
void TBIAS __P((void));
void TBIAU __P((void));
#if defined(M68040) || defined(M68060)
void DCFA __P((void));
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));
#endif
/*
* 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));
vaddr_t reserve_dumppages __P((vaddr_t));
void softint __P((void));
/*
* Prototypes from nvram.c:
*/
struct uio;
int nvram_uio __P((struct uio *));
/*
* 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 pci_machdep.c
*/
void init_pci_bus __P((void));
#endif /* _KERNEL */
#endif /* !_MACHINE_CPU_H_ */