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      1 /*	$NetBSD: cpu.h,v 1.21 2022/02/16 23:49:26 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 1995-1997 Wolfgang Solfrank.
      5  * Copyright (C) 1995-1997 TooLs GmbH.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by TooLs GmbH.
     19  * 4. The name of TooLs GmbH may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     27  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     28  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 #ifndef	_AMIGAPPC_CPU_H_
     34 #define	_AMIGAPPC_CPU_H_
     35 #define	_MACHINE_CPU_H_		/* for <m68k/cpu.h> */
     36 
     37 #if defined(_KERNEL) && !defined(_MODULE)
     38 #define	CPU_MAXNUM	1
     39 /*
     40  * Amiga models
     41  */
     42 #define A1200		1200
     43 #define A3000		3000
     44 #define A4000		4000
     45 extern int machineid;
     46 
     47 /*
     48  * Prototypes from amiga_init.c
     49  */
     50 void	*alloc_z2mem(long);
     51 
     52 /*
     53  * Prototypes from autoconf.c
     54  */
     55 #define	is_a600()	0
     56 int     is_a1200(void);
     57 int     is_a3000(void);
     58 int     is_a4000(void);
     59 
     60 /*
     61  * Prototypes from machdep.c
     62  */
     63 int dma_cachectl(void *, int);
     64 
     65 /*
     66  * Prototypes from powerpc/powerpc/trap.c
     67  */
     68 int badaddr_read(void *, size_t, int *);
     69 
     70 /*
     71  * Reorder protection when accessing device registers.
     72  */
     73 #define amiga_membarrier() __asm volatile("eieio" ::: "memory")
     74 
     75 /*
     76  * Finish all bus operations and flush pipelines.
     77  */
     78 #define amiga_cpu_sync() __asm volatile("sync; isync" ::: "memory")
     79 
     80 #endif /* _KERNEL && !_MODULE */
     81 
     82 #include <powerpc/cpu.h>
     83 
     84 #endif	/* _AMIGAPPC_CPU_H_ */
     85