/*
* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
#ifdef sparc
/*
* sparc_cache_flush() take a double word address and flushes the cache line
* for that address.
*
* extern void sparc_cache_flush(
* unsigned long double_word_address) .text
.align 2
.globl _sparc_cache_flush
_sparc_cache_flush:
retl
flush %o0 /* flush the address in the first paramter */
#endif /* sparc */
#ifdef __ppc__
/*
* ppc_cache_flush() takes a byte address and a size and invalidates the cache
* blocks for those addresses.
*
* extern void ppc_cache_flush(
* unsigned long byte_address,
* unsigned long size)kCacheLineSize = 32
kLog2CacheLineSize = 5
.text
.align 2
.globl _ppc_cache_flush
_ppc_cache_flush:
cmpwi cr0,r4,0 subi r4,r4,1 srwi r5,r3,kLog2CacheLineSize beq cr0,dataToCodeDone subf r4,r5,r4 slwi r5,r5,kLog2CacheLineSize mtctr r4 dcbf 0, r3 bdnz dataToCodeFlushLoop
mtctr r4 icbi 0, r3 bdnz dataToCodeInvalidateLoop isync dataToCodeDone:
blr
#endif /* __ppc__ */