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/* $OpenBSD: cpu.h,v 1.4 2002/02/23 16:59:36 matthieu Exp $ */
/* $NetBSD: cpu.h,v 1.1 1996/09/30 16:34:21 ws Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* 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 TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
*/
#ifndef _MACHINE_CPU_H_
#define _MACHINE_CPU_H_
#include <powerpc/cpu.h>
#define CACHELINESIZE 32 /* For now XXX */
static __inline void
syncicache(void *from, int len)
{
int l;
char *p = from;
len = len + (((u_int32_t) from) & (CACHELINESIZE-1));
l = len;
do {
__asm__ __volatile__ ("dcbst 0,%0" :: "r"(p));
p += CACHELINESIZE;
} while ((l -= CACHELINESIZE) > 0);
__asm__ __volatile__ ("sync");
p = from;
l = len;
do {
__asm__ __volatile__ ("icbi 0,%0" :: "r"(p));
p += CACHELINESIZE;
} while ((l -= CACHELINESIZE) > 0);
__asm__ __volatile__ ("isync");
}
/*
* CTL_MACHDEP definitions.
*/
#define CPU_ALLOWAPERTURE 1 /* allow mmap of /dev/xf86 */
#define CPU_MAXID 2 /* number of valid machdep ids */
#define CTL_MACHDEP_NAMES { \
{ 0, 0 }, \
{ "allowaperture", CTLTYPE_INT }, \
}
#endif /* _MACHINE_CPU_H_ */
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