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/* $NetBSD: cpu.h,v 1.74 2023/01/06 10:28:28 tsutsui 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. 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_
#if defined(_KERNEL_OPT)
#include "opt_lockdebug.h"
#endif
/*
* Get common m68k CPU definitions.
*/
#include <m68k/cpu.h>
#if defined(_KERNEL)
/*
* Exported definitions unique to atari/68k cpu support.
*/
#define M68K_MMU_MOTOROLA
void cpu_proc_fork(struct proc *, struct proc *);
/*
* 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_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 cpu_need_resched(ci,l,flags) do { \
__USE(flags); \
setsoftast(); \
} while (/*CONSTCOND*/0)
/*
* 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(l, framep) ((l)->l_pflag |= LP_OWEUPC, setsoftast())
#define cpu_need_proftick(l) ((l)->l_pflag |= LP_OWEUPC, setsoftast())
/*
* Notify the current process (p) that it has a signal pending,
* process as soon as possible.
*/
#define cpu_signotify(l) setsoftast()
#define setsoftast() (astpending = 1)
extern int astpending; /* need trap before returning to user mode */
/*
* 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)
#endif /* _KERNEL */
/*
* 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)
#if defined(_KERNEL)
extern int machineid;
/*
* Prototypes from atari_init.c
*/
int cpu_dump(int (*)(dev_t, daddr_t, void *, size_t), daddr_t *);
int cpu_dumpsize(void);
/*
* Prototypes from autoconf.c
*/
void config_console(void);
/*
* Prototypes from fpu.c
*/
const char *fpu_describe(int);
/*
* Prototypes from locore.s
*/
void clearseg(paddr_t);
void doboot(void);
void loadustp(int);
void physcopyseg(paddr_t, paddr_t);
u_int probeva(u_int, u_int);
/*
* Prototypes from machdep.c:
*/
int badbaddr(void *, int);
void consinit(void);
typedef void (*si_farg)(void *, void *); /* XXX */
void init_sicallback(void); /* XXX */
void add_sicallback(si_farg, void *, void *);
void rem_sicallback(si_farg);
void dumpsys(void);
vaddr_t reserve_dumppages(vaddr_t);
/*
* Prototypes from nvram.c:
*/
struct uio;
int nvram_uio(struct uio *);
/*
* Prototypes from pci_machdep.c
*/
void init_pci_bus(void);
#endif /* _KERNEL */
#endif /* !_MACHINE_CPU_H_ */
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