2013-04-06 16:48:33 +02:00

54 lines
2.2 KiB
C

/* $NetBSD: 7750.h,v 1.5 2008/04/28 20:23:20 martin Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#ifndef _HPCBOOT_SH_CPU_7750_H_
#define _HPCBOOT_SH_CPU_7750_H_
#define SH7750_CACHE_FLUSH() \
__BEGIN_MACRO \
uint32_t __e, __a; \
\
/* D-cache */ \
for (__e = 0; __e < (SH4_DCACHE_SIZE / SH4_CACHE_LINESZ); __e++) {\
__a = SH4REG_CCDA | (__e << CCDA_ENTRY_SHIFT); \
VOLATILE_REF(__a) &= ~(CCDA_U | CCDA_V); \
} \
/* I-cache */ \
for (__e = 0; __e < (SH4_ICACHE_SIZE / SH4_CACHE_LINESZ); __e++) {\
__a = SH4REG_CCIA | (__e << CCIA_ENTRY_SHIFT); \
VOLATILE_REF(__a) &= ~(CCIA_V); \
} \
__END_MACRO
#define SH7750_MMU_DISABLE SH4_MMU_DISABLE
#endif // _HPCBOOT_SH_CPU_7750_H_