ecos: packages/hal/arm/aeb/current/include/hal

annotate packages/hal/arm/aeb/current/include/hal_cache.h @ 46:797268ecc331 ecos-sw-1999-10-19

Merge from eCos master repository on 1999-10-19-18:55:31-BST

author	jlarmour
date	Tue, 19 Oct 1999 19:19:52 +0000
parents	41bd4f3a90de
children	c38311975d4f

rev	line source
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1 #ifndef CYGONCE_HAL_CACHE_H
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	2 #define CYGONCE_HAL_CACHE_H
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	3
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	4 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	5 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	6 // hal_cache.h
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	7 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	8 // HAL cache control API
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	9 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	10 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	11 //####COPYRIGHTBEGIN####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	12 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	13 // -------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	14 // The contents of this file are subject to the Cygnus eCos Public License
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	15 // Version 1.0 (the "License"); you may not use this file except in
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	16 // compliance with the License. You may obtain a copy of the License at
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	17 // http://sourceware.cygnus.com/ecos
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	18 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	19 // Software distributed under the License is distributed on an "AS IS"
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	21 // License for the specific language governing rights and limitations under
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	22 // the License.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	23 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	24 // The Original Code is eCos - Embedded Cygnus Operating System, released
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	25 // September 30, 1998.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	26 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	27 // The Initial Developer of the Original Code is Cygnus. Portions created
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	28 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	29 // -------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	30 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	31 //####COPYRIGHTEND####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	32 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	33 //#####DESCRIPTIONBEGIN####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	34 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	35 // Author(s): nickg, gthomas
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	36 // Contributors: nickg, gthomas
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	37 // Date: 1998-09-28
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	38 // Purpose: Cache control API
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	39 // Description: The macros defined here provide the HAL APIs for handling
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	40 // cache control operations.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	41 // Usage:
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	42 // #include <cyg/hal/hal_cache.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	43 // ...
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	44 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	45 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	46 //####DESCRIPTIONEND####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	47 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	48 //=============================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	49
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	50 #include <cyg/infra/cyg_type.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	51 #include <cyg/hal/hal_io.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	52
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	53 //-----------------------------------------------------------------------------
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	54 // Cache dimensions - one unified cache
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	55
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	56 #define HAL_CACHE_UNIFIED
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	57
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	58 #define HAL_UCACHE_SIZE 0x800 // Size of cache in bytes
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	59 #define HAL_UCACHE_LINE_SIZE 4 // Size of a cache line
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	60 #define HAL_UCACHE_WAYS 4 // Associativity of the cache
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	61
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	62 #define HAL_UCACHE_SETS (HAL_UCACHE_SIZE/(HAL_UCACHE_LINE_SIZE*HAL_UCACHE_WAYS))
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	63
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	64 // Cache & SRAM control
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	65 #define CYG_DEVICE_CCR 0xFFFFA400
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	66 #define CYG_DEVICE_LSCR 0xFFFFA404
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	67 #define CYG_DEVICE_CACHE_MEM 0x60000800
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	68
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	69 #define CCR_E 0x01 // Cache enabled
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	70 #define CCR_S 0x02 // SRAM mode enabled
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	71 #define CCR_F 0x04 // Flush mode enabled
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	72 #define CCR_I 0x08 // Invalidate mode
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	73
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	74 #define LCSR_E 0x01 // Local SRAM enabled
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	75 #define LCSR_L 0x02 // Local SRAM mapped to high memory
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	76
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	77 //-----------------------------------------------------------------------------
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	78 // Global control of cache
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	79
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	80 // Enable the cache
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	81 #define HAL_UCACHE_ENABLE() \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	82 { \
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	83 HAL_WRITE_UINT8(CYG_DEVICE_CCR, CCR_E); \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	84 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	85
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	86 // Disable the cache
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	87 #define HAL_UCACHE_DISABLE() \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	88 { \
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	89 HAL_WRITE_UINT8(CYG_DEVICE_CCR, 0); \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	90 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	91
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	92 // Invalidate the entire cache
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	93 #define HAL_UCACHE_INVALIDATE_ALL() \
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	94 { \
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	95 register cyg_uint8 old_ccr; \
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	96 HAL_READ_UINT8(CYG_DEVICE_CCR, old_ccr); \
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	97 HAL_WRITE_UINT8(CYG_DEVICE_CCR, CCR_I); \
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	98 HAL_WRITE_UINT8(CYG_DEVICE_CCR, old_ccr); \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	99 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	100
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	101 // Synchronize the contents of the cache with memory.
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	102 #define HAL_UCACHE_SYNC() \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	103 { \
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	104 register volatile cyg_uint8 *cache_SRAM = \
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	105 (volatile cyg_uint8*) CYG_DEVICE_CACHE_MEM; \
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	106 register int i; \
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	107 register cyg_uint8 old_ccr; \
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	108 HAL_READ_UINT8(CYG_DEVICE_CCR, old_ccr); \
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	109 HAL_WRITE_UINT8(CYG_DEVICE_CCR, CCR_F); \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	110 for (i = 0; i < HAL_DCACHE_SETS; i++) { \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	111 *cache_SRAM = 0; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	112 cache_SRAM += HAL_DCACHE_LINE_SIZE; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	113 } \
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	114 HAL_WRITE_UINT8(CYG_DEVICE_CCR, CCR_I); \
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	115 HAL_WRITE_UINT8(CYG_DEVICE_CCR, old_ccr); \
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	116 }
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	117
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	118 // Query the state of the cache
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	119 #define HAL_UCACHE_IS_ENABLED(_state_) \
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	120 { \
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	121 cyg_uint8 __ccr; \
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	122 HAL_READ_UINT8(CYG_DEVICE_CCR, __ccr); \
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	123 (_state_) = (CCR_E == __ccr) ? 1 : 0; \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	124 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	125
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	126 // Purge contents of cache
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	127 #define HAL_UCACHE_PURGE_ALL() HAL_UCACHE_INVALIDATE_ALL()
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	128
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	129 // Set the cache refill burst size
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	130 //#define HAL_UCACHE_BURST_SIZE(_size_)
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	131
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	132 // Set the cache write mode
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	133 //#define HAL_UCACHE_WRITE_MODE( _mode_ )
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	134
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	135 //#define HAL_UCACHE_WRITETHRU_MODE 0
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	136 //#define HAL_UCACHE_WRITEBACK_MODE 1
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	137
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	138 // Load the contents of the given address range into the cache
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	139 // and then lock the cache so that it stays there.
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	140 //#define HAL_UCACHE_LOCK(_base_, _size_)
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	141
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	142 // Undo a previous lock operation
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	143 //#define HAL_UCACHE_UNLOCK(_base_, _size_)
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	144
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	145 // Unlock entire cache
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	146 //#define HAL_UCACHE_UNLOCK_ALL()
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	147
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	148 //-----------------------------------------------------------------------------
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	149 // Cache line control
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	150
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	151 // Allocate cache lines for the given address range without reading its
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	152 // contents from memory.
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	153 //#define HAL_UCACHE_ALLOCATE( _base_ , _size_ )
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	154
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	155 // Write dirty cache lines to memory and invalidate the cache entries
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	156 // for the given address range.
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	157 //#define HAL_UCACHE_FLUSH( _base_ , _size_ )
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	158
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	159 // Invalidate cache lines in the given range without writing to memory.
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	160 //#define HAL_UCACHE_INVALIDATE( _base_ , _size_ )
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	161
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	162 // Write dirty cache lines to memory for the given address range.
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	163 //#define HAL_UCACHE_STORE( _base_ , _size_ )
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	164
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	165 // Preread the given range into the cache with the intention of reading
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	166 // from it later.
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	167 //#define HAL_UCACHE_READ_HINT( _base_ , _size_ )
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	168
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	169 // Preread the given range into the cache with the intention of writing
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	170 // to it later.
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	171 //#define HAL_UCACHE_WRITE_HINT( _base_ , _size_ )
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	172
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	173 // Allocate and zero the cache lines associated with the given range.
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	174 //#define HAL_UCACHE_ZERO( _base_ , _size_ )
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	175
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	176 //-----------------------------------------------------------------------------
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	177
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	178 //-----------------------------------------------------------------------------
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	179 // Data and instruction cache macros map onto the both-cache macros
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	180
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	181 //-----------------------------------------------------------------------------
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	182 // Global control of data cache
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	183
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	184 #define HAL_DCACHE_SIZE HAL_UCACHE_SIZE
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	185 #define HAL_DCACHE_LINE_SIZE HAL_UCACHE_LINE_SIZE
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	186 #define HAL_DCACHE_WAYS HAL_UCACHE_WAYS
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	187 #define HAL_DCACHE_SETS HAL_UCACHE_SETS
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	188
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	189 // Enable the data cache
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	190 #define HAL_DCACHE_ENABLE() HAL_UCACHE_ENABLE()
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	191
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	192 // Disable the data cache
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	193 #define HAL_DCACHE_DISABLE() HAL_UCACHE_DISABLE()
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	194
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	195 // Invalidate the entire cache
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	196 #define HAL_DCACHE_INVALIDATE_ALL() HAL_UCACHE_INVALIDATE_ALL()
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	197
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	198 // Synchronize the contents of the cache with memory.
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	199 #define HAL_DCACHE_SYNC() HAL_UCACHE_SYNC()
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	200
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	201 // Query the state of the data cache
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	202 #define HAL_DCACHE_IS_ENABLED(_state_) HAL_UCACHE_IS_ENABLED(_state_)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	203
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	204 // Set the data cache refill burst size
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	205 //#define HAL_DCACHE_BURST_SIZE(_size_)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	206
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	207 // Set the data cache write mode
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	208 //#define HAL_DCACHE_WRITE_MODE( _mode_ )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	209
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	210 //#define HAL_DCACHE_WRITETHRU_MODE 0
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	211 //#define HAL_DCACHE_WRITEBACK_MODE 1
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	212
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	213 // Load the contents of the given address range into the data cache
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	214 // and then lock the cache so that it stays there.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	215 //#define HAL_DCACHE_LOCK(_base_, _size_)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	216
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	217 // Undo a previous lock operation
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	218 //#define HAL_DCACHE_UNLOCK(_base_, _size_)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	219
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	220 // Unlock entire cache
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	221 //#define HAL_DCACHE_UNLOCK_ALL()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	222
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	223 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	224 // Data cache line control
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	225
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	226 // Allocate cache lines for the given address range without reading its
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	227 // contents from memory.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	228 //#define HAL_DCACHE_ALLOCATE( _base_ , _size_ )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	229
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	230 // Write dirty cache lines to memory and invalidate the cache entries
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	231 // for the given address range.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	232 //#define HAL_DCACHE_FLUSH( _base_ , _size_ )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	233
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	234 // Invalidate cache lines in the given range without writing to memory.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	235 //#define HAL_DCACHE_INVALIDATE( _base_ , _size_ )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	236
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	237 // Write dirty cache lines to memory for the given address range.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	238 //#define HAL_DCACHE_STORE( _base_ , _size_ )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	239
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	240 // Preread the given range into the cache with the intention of reading
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	241 // from it later.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	242 //#define HAL_DCACHE_READ_HINT( _base_ , _size_ )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	243
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	244 // Preread the given range into the cache with the intention of writing
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	245 // to it later.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	246 //#define HAL_DCACHE_WRITE_HINT( _base_ , _size_ )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	247
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	248 // Allocate and zero the cache lines associated with the given range.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	249 //#define HAL_DCACHE_ZERO( _base_ , _size_ )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	250
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	251 //-----------------------------------------------------------------------------
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	252 // Global control of Instruction cache
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	253
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	254 #define HAL_ICACHE_SIZE HAL_UCACHE_SIZE
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	255 #define HAL_ICACHE_LINE_SIZE HAL_UCACHE_LINE_SIZE
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	256 #define HAL_ICACHE_WAYS HAL_UCACHE_WAYS
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	257 #define HAL_ICACHE_SETS HAL_UCACHE_SETS
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	258
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	259 // Enable the instruction cache
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	260 #define HAL_ICACHE_ENABLE() HAL_UCACHE_ENABLE()
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	261
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	262 // Disable the instruction cache
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	263 #define HAL_ICACHE_DISABLE() HAL_UCACHE_DISABLE()
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	264
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	265 // Invalidate the entire cache
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	266 #define HAL_ICACHE_INVALIDATE_ALL() HAL_UCACHE_INVALIDATE_ALL()
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	267
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	268
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	269 // Synchronize the contents of the cache with memory.
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	270 #define HAL_ICACHE_SYNC() HAL_UCACHE_SYNC()
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	271
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	272 // Query the state of the instruction cache
41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	273 #define HAL_ICACHE_IS_ENABLED(_state_) HAL_UCACHE_IS_ENABLED(_state_)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	274
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	275 // Set the instruction cache refill burst size
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	276 //#define HAL_ICACHE_BURST_SIZE(_size_)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	277
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	278 // Load the contents of the given address range into the instruction cache
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	279 // and then lock the cache so that it stays there.
44 41bd4f3a90de Merge from eCos master repository on 1999-10-08-07:47:04-BST jlarmour parents: 2 diff changeset	280
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	281 //#define HAL_ICACHE_LOCK(_base_, _size_)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	282
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	283 // Undo a previous lock operation
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	284 //#define HAL_ICACHE_UNLOCK(_base_, _size_)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	285
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	286 // Unlock entire cache
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	287 //#define HAL_ICACHE_UNLOCK_ALL()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	288
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	289 //-----------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	290 // Instruction cache line control
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	291
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	292 // Invalidate cache lines in the given range without writing to memory.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	293 //#define HAL_ICACHE_INVALIDATE( _base_ , _size_ )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	294
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	295 #endif // ifndef CYGONCE_HAL_CACHE_H
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	296 // End of hal_cache.h

Mercurial > ecos

annotate packages/hal/arm/aeb/current/include/hal_cache.h @ 46:797268ecc331 ecos-sw-1999-10-19