Mercurial > flash_v2
diff packages/hal/mips/arch/current/include/hal_cache.h @ 208:e0c0827131d1 ecos
Merge from eCos master repository on 2002-05-20-20:11:54-BST
| author | jlarmour |
|---|---|
| date | Mon, 20 May 2002 22:19:26 +0000 |
| parents | 6b5f480c6929 |
| children | d2c90368aeef |
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--- a/packages/hal/mips/arch/current/include/hal_cache.h +++ b/packages/hal/mips/arch/current/include/hal_cache.h @@ -8,29 +8,38 @@ // HAL cache control API // //============================================================================= -//####COPYRIGHTBEGIN#### -// -// ------------------------------------------- -// The contents of this file are subject to the Red Hat eCos Public License -// Version 1.1 (the "License"); you may not use this file except in -// compliance with the License. You may obtain a copy of the License at -// http://www.redhat.com/ -// -// Software distributed under the License is distributed on an "AS IS" -// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the -// License for the specific language governing rights and limitations under -// the License. -// -// The Original Code is eCos - Embedded Configurable Operating System, -// released September 30, 1998. -// -// The Initial Developer of the Original Code is Red Hat. -// Portions created by Red Hat are -// Copyright (C) 1998, 1999, 2000 Red Hat, Inc. -// All Rights Reserved. -// ------------------------------------------- -// -//####COPYRIGHTEND#### +//####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. +// +// eCos is free software; you can redistribute it and/or modify it under +// the terms of the GNU General Public License as published by the Free +// Software Foundation; either version 2 or (at your option) any later version. +// +// eCos is distributed in the hope that it will be useful, but WITHOUT ANY +// WARRANTY; without even the implied warranty of MERCHANTABILITY or +// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +// for more details. +// +// You should have received a copy of the GNU General Public License along +// with eCos; if not, write to the Free Software Foundation, Inc., +// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. +// +// As a special exception, if other files instantiate templates or use macros +// or inline functions from this file, or you compile this file and link it +// with other works to produce a work based on this file, this file does not +// by itself cause the resulting work to be covered by the GNU General Public +// License. However the source code for this file must still be made available +// in accordance with section (3) of the GNU General Public License. +// +// This exception does not invalidate any other reasons why a work based on +// this file might be covered by the GNU General Public License. +// +// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. +// at http://sources.redhat.com/ecos/ecos-license +// ------------------------------------------- +//####ECOSGPLCOPYRIGHTEND#### //============================================================================= //#####DESCRIPTIONBEGIN#### // @@ -153,6 +162,19 @@ #endif //----------------------------------------------------------------------------- +// Size adjustment +// These macros adjust the size argument up to a whole multiple of the +// cache line size. This ensures that we apply the cache operation to +// all cache lines covered by the address[size] arguments in the +// macros below. + +#define HAL_DCACHE_ADJUST_SIZE(_size_) \ +(((_size_)+HAL_DCACHE_LINE_SIZE-1) & ~(HAL_DCACHE_LINE_SIZE-1)) + +#define HAL_ICACHE_ADJUST_SIZE(_size_) \ +(((_size_)+HAL_ICACHE_LINE_SIZE-1) & ~(HAL_ICACHE_LINE_SIZE-1)) + +//----------------------------------------------------------------------------- // Global control of data cache // Enable the data cache @@ -210,7 +232,7 @@ CYG_MACRO_START \ register CYG_ADDRESS _baddr_ = (CYG_ADDRESS)(_base_); \ register CYG_ADDRESS _addr_ = (CYG_ADDRESS)(_base_); \ - register CYG_WORD _size_ = (_asize_); \ + register CYG_WORD _size_ = HAL_DCACHE_ADJUST_SIZE(_asize_); \ register CYG_WORD _state_; \ HAL_DCACHE_IS_ENABLED( _state_ ); \ if( _state_ ) { \ @@ -250,7 +272,7 @@ CYG_MACRO_START \ register CYG_ADDRESS _baddr_ = (CYG_ADDRESS)(_base_); \ register CYG_ADDRESS _addr_ = (CYG_ADDRESS)(_base_); \ - register CYG_WORD _size_ = (_asize_); \ + register CYG_WORD _size_ = HAL_DCACHE_ADJUST_SIZE(_asize_); \ register CYG_WORD _state_; \ HAL_DCACHE_IS_ENABLED( _state_ ); \ if( _state_ ) { \ @@ -269,7 +291,7 @@ CYG_MACRO_START \ register CYG_ADDRESS _baddr_ = (CYG_ADDRESS)(_base_); \ register CYG_ADDRESS _addr_ = (CYG_ADDRESS)(_base_); \ - register CYG_WORD _size_ = (_asize_); \ + register CYG_WORD _size_ = HAL_DCACHE_ADJUST_SIZE(_asize_); \ _HAL_ASM_SET_MIPS_ISA(3); \ for( ; _addr_ <= _baddr_+_size_; _addr_ += HAL_DCACHE_LINE_SIZE ) \ { _HAL_ASM_DCACHE_ALL_WAYS(0x11, _addr_); } \ @@ -284,7 +306,7 @@ CYG_MACRO_START \ register CYG_ADDRESS _baddr_ = (CYG_ADDRESS)(_base_); \ register CYG_ADDRESS _addr_ = (CYG_ADDRESS)(_base_); \ - register CYG_WORD _size_ = (_asize_); \ + register CYG_WORD _size_ = HAL_DCACHE_ADJUST_SIZE(_asize_); \ register CYG_WORD _state_; \ HAL_DCACHE_IS_ENABLED( _state_ ); \ if( _state_ ) { \ @@ -356,7 +378,7 @@ CYG_MACRO_START \ register CYG_ADDRESS _baddr_ = (CYG_ADDRESS)(_base_); \ register CYG_ADDRESS _addr_ = (CYG_ADDRESS)(_base_); \ - register CYG_WORD _size_ = (_asize_); \ + register CYG_WORD _size_ = HAL_ICACHE_ADJUST_SIZE(_asize_); \ register CYG_WORD _state_; \ HAL_ICACHE_IS_ENABLED( _state_ ); \ if( _state_ ) { \ @@ -388,7 +410,7 @@ CYG_MACRO_START \ register CYG_ADDRESS _baddr_ = (CYG_ADDRESS)(_base_); \ register CYG_ADDRESS _addr_ = (CYG_ADDRESS)(_base_); \ - register CYG_WORD _size_ = (_asize_); \ + register CYG_WORD _size_ = HAL_ICACHE_ADJUST_SIZE(_asize_); \ _HAL_ASM_SET_MIPS_ISA(3); \ for( ; _addr_ <= _baddr_+_size_; _addr_ += HAL_ICACHE_LINE_SIZE ) \ { _HAL_ASM_ICACHE_ALL_WAYS(0x10, _addr_); } \
