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cpu.h revision 1.88 
      1 /*	$NetBSD: cpu.h,v 1.88 2024/01/20 00:15:30 thorpej Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1988 University of Utah.
      5  * Copyright (c) 1982, 1990 The Regents of the University of California.
      6  * All rights reserved.
      7  *
      8  * This code is derived from software contributed to Berkeley by
      9  * the Systems Programming Group of the University of Utah Computer
     10  * Science Department.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. Neither the name of the University nor the names of its contributors
     21  *    may be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  * from: Utah $Hdr: cpu.h 1.16 91/03/25$
     37  *
     38  *	@(#)cpu.h	7.7 (Berkeley) 6/27/91
     39  */
     40 
     41 #ifndef _MACHINE_CPU_H_
     42 #define _MACHINE_CPU_H_
     43 
     44 #if defined(_KERNEL_OPT)
     45 #include "opt_lockdebug.h"
     46 #endif
     47 
     48 /*
     49  * Get common m68k CPU definitions.
     50  */
     51 #include <m68k/cpu.h>
     52 
     53 #if defined(_KERNEL)
     54 /*
     55  * The rest of this should probably be moved to ../amiga/amigacpu.h,
     56  * although some of it could probably be put into generic 68k headers.
     57  */
     58 
     59 /* values for machineid (happen to be AFF_* settings of AttnFlags) */
     60 #define AMIGA_68020	(1L<<1)
     61 #define AMIGA_68030	(1L<<2)
     62 #define AMIGA_68040	(1L<<3)
     63 #define AMIGA_68881	(1L<<4)
     64 #define AMIGA_68882	(1L<<5)
     65 #define	AMIGA_FPU40	(1L<<6)
     66 #define AMIGA_68060	(1L<<7)
     67 
     68 extern int machineid;
     69 
     70 /*
     71  * Prototypes from amiga_init.c
     72  */
     73 void	*alloc_z2mem(long);
     74 
     75 /*
     76  * Prototypes from autoconf.c
     77  */
     78 int	is_a600(void);
     79 int	is_a1200(void);
     80 int	is_a3000(void);
     81 int	is_a4000(void);
     82 #ifdef DRACO
     83 #define	is_draco() ((machineid >> 24) == 0x7d ? (machineid >> 16) & 0xff : 0)
     84 #endif
     85 
     86 #ifdef DRACO
     87 /*
     88  * Prototypes from kbd.c
     89  */
     90 void	drkbdintr(void);
     91 
     92 /*
     93  * Prototypes from drsc.c
     94  */
     95 void	drsc_handler(void);
     96 #endif
     97 
     98 /*
     99  * Prototypes from locore.s
    100  */
    101 void	clearseg(vm_offset_t);
    102 void	doboot(void) __attribute__((__noreturn__));
    103 void	physcopyseg(vm_offset_t, vm_offset_t);
    104 u_int	probeva(u_int, u_int);
    105 
    106 /*
    107  * Prototypes from machdep.c
    108  */
    109 int	badaddr(void *);
    110 int	badbaddr(void *);
    111 void	bootsync(void);
    112 
    113 /*
    114  * Prototypes from pmap.c:
    115  */
    116 void	pmap_bootstrap(vm_offset_t, vm_offset_t);
    117 
    118 #endif /* _KERNEL */
    119 
    120 /*
    121  * Reorder protection when accessing device registers.
    122  */
    123 #define amiga_membarrier()
    124 
    125 /*
    126  * Finish all bus operations and flush pipelines.
    127  */
    128 #define amiga_cpu_sync() __asm volatile ("nop")
    129 
    130 #endif /* !_MACHINE_CPU_H_ */
    131