161 lines
6.2 KiB
C
161 lines
6.2 KiB
C
/* $NetBSD: m68k.h,v 1.10 2004/08/28 21:31:07 thorpej 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 $Hdr: cpu.h 1.16 91/03/25$
|
|
* from: @(#)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 $Hdr: cpu.h 1.16 91/03/25$
|
|
* from: @(#)cpu.h 8.4 (Berkeley) 1/5/94
|
|
*/
|
|
|
|
#ifndef _M68K_M68K_H_
|
|
#define _M68K_M68K_H_
|
|
|
|
/*
|
|
* Declarations for things exported by sources in this directory,
|
|
* or required by sources in here and not declared elsewhere.
|
|
*
|
|
* These declarations generally do NOT belong in <machine/cpu.h>,
|
|
* because that defines the interface between the common code and
|
|
* the machine-dependent code, whereas this defines the interface
|
|
* between the shared m68k code and the machine-dependent code.
|
|
*
|
|
* The MMU stuff is exported separately so it can be used just
|
|
* where it is really needed. Same for function codes, etc.
|
|
*/
|
|
|
|
#ifdef _KERNEL
|
|
/*
|
|
* All m68k ports must provide these globals.
|
|
*/
|
|
extern int cputype; /* CPU on this host */
|
|
extern int ectype; /* external cache on this host */
|
|
extern int fputype; /* FPU on this host */
|
|
extern int mmutype; /* MMU on this host */
|
|
#endif /* _KERNEL */
|
|
|
|
/* values for cputype */
|
|
#define CPU_68010 -1 /* 68010 */
|
|
#define CPU_68020 0 /* 68020 */
|
|
#define CPU_68030 1 /* 68030 */
|
|
#define CPU_68040 2 /* 68040 */
|
|
#define CPU_68060 3 /* 68060 */
|
|
|
|
/* values for ectype */
|
|
#define EC_PHYS -1 /* external physical address cache */
|
|
#define EC_NONE 0 /* no external cache */
|
|
#define EC_VIRT 1 /* external virtual address cache */
|
|
|
|
/* values for fputype */
|
|
#define FPU_NONE 0 /* no FPU */
|
|
#define FPU_68881 1 /* 68881 FPU */
|
|
#define FPU_68882 2 /* 68882 FPU */
|
|
#define FPU_68040 3 /* 68040 on-chip FPU */
|
|
#define FPU_68060 4 /* 68060 on-chip FPU */
|
|
#define FPU_UNKNOWN 5 /* placeholder; unknown FPU */
|
|
|
|
/* values for mmutype (assigned for quick testing) */
|
|
#define MMU_68060 -3 /* 68060 on-chip MMU */
|
|
#define MMU_68040 -2 /* 68040 on-chip MMU */
|
|
#define MMU_68030 -1 /* 68030 on-chip subset of 68851 */
|
|
#define MMU_HP 0 /* HP proprietary */
|
|
#define MMU_68851 1 /* Motorola 68851 */
|
|
#define MMU_SUN 2 /* Sun MMU */
|
|
|
|
|
|
#ifdef _KERNEL
|
|
|
|
struct trapframe;
|
|
|
|
/* copypage.s */
|
|
void copypage040(void *fromaddr, void *toaddr);
|
|
void copypage(void *fromaddr, void *toaddr);
|
|
void zeropage(void *addr);
|
|
|
|
/* locore.s (XXX: move to support.s?) */
|
|
int getdfc(void);
|
|
int getsfc(void);
|
|
|
|
/* w16copy.s */
|
|
void w16zero(void *, u_int);
|
|
void w16copy(const void *, void *, u_int);
|
|
|
|
#ifdef MAPPEDCOPY
|
|
/* mappedcopy.c */
|
|
int mappedcopyin(void *fromp, void *top, size_t count);
|
|
int mappedcopyout(void *fromp, void *top, size_t count);
|
|
extern u_int mappedcopysize;
|
|
#endif /* MAPPEDCOPY */
|
|
|
|
/* regdump.c */
|
|
void regdump(struct trapframe *, int);
|
|
|
|
#endif /* _KERNEL */
|
|
#endif /* _M68K_M68K_H_ */
|