nand-ecoscentric: packages/hal/mips/arch/current/include/hal

annotate packages/hal/mips/arch/current/include/hal_cache.h @ 66:bf00f99aec69 ecos-sw-2000-02-02

Merge from eCos master repository on 2000-02-02-19:16:44-GMT

author	jlarmour
date	Wed, 02 Feb 2000 19:57:02 +0000
parents	c38311975d4f
children	435cced73e2f

rev	line source
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	1 #ifndef CYGONCE_HAL_CACHE_H
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	2 #define CYGONCE_HAL_CACHE_H
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	3
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	4 //=============================================================================
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	5 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	6 // hal_cache.h
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	7 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	8 // HAL cache control API
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	9 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	10 //=============================================================================
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	11 //####COPYRIGHTBEGIN####
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	12 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	13 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	14 // The contents of this file are subject to the Red Hat eCos Public License
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	15 // Version 1.1 (the "License"); you may not use this file except in
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	16 // compliance with the License. You may obtain a copy of the License at
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	17 // http://www.redhat.com/
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	18 //
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	19 // Software distributed under the License is distributed on an "AS IS"
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	21 // License for the specific language governing rights and limitations under
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	22 // the License.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	23 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	24 // The Original Code is eCos - Embedded Configurable Operating System,
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	25 // released September 30, 1998.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	26 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	27 // The Initial Developer of the Original Code is Red Hat.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	28 // Portions created by Red Hat are
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	29 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	30 // All Rights Reserved.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	31 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 24 diff changeset	32 //
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	33 //####COPYRIGHTEND####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	34 //=============================================================================
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	35 //#####DESCRIPTIONBEGIN####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	36 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	37 // Author(s): nickg
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	38 // Contributors: nickg
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	39 // Date: 1998-02-17
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	40 // Purpose: Cache control API
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	41 // Description: The macros defined here provide the HAL APIs for handling
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	42 // cache control operations.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	43 // Usage:
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	44 // #include <cyg/hal/hal_cache.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	45 // ...
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	46 //
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	47 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	48 //####DESCRIPTIONEND####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	49 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	50 //=============================================================================
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	51
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	52 #include <pkgconf/hal.h>
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	53 #include <cyg/infra/cyg_type.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	54
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	55 #include <cyg/hal/var_cache.h>
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	56
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	57 // Use this macro to allow the assembler to accept "cache" instructions,
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	58 // which are MIPS ISA 3. This is useful if someone is compiling
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	59 // with -mips2, but the architecture is really MIPS ISA 3.
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	60
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	61 #define _HAL_ASM_SET_MIPS_ISA( _isal_ ) asm volatile ( ".set mips" ## #_isal_ )
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	62
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	63
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	64 //=============================================================================
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	65 // Default Implementation. This uses the standard MIPS CP0 registers and
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	66 // cache instructions. Note that not all variants will have all of the
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	67 // functionality defined here.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	68
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	69 //-----------------------------------------------------------------------------
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	70 // Cache dimensions.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	71 // These really should be defined in var_cache.h. If they are not, then provide
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	72 // a set of numbers that are typical of many variants.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	73
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	74 #ifndef HAL_DCACHE_SIZE
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	75
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	76 // Data cache
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	77 #define HAL_DCACHE_SIZE 4096 // Size of data cache in bytes
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	78 #define HAL_DCACHE_LINE_SIZE 16 // Size of a data cache line
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	79 #define HAL_DCACHE_WAYS 2 // Associativity of the cache
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	80
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	81 // Instruction cache
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	82 #define HAL_ICACHE_SIZE 4096 // Size of cache in bytes
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	83 #define HAL_ICACHE_LINE_SIZE 16 // Size of a cache line
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	84 #define HAL_ICACHE_WAYS 2 // Associativity of the cache
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	85
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	86 #define HAL_DCACHE_SETS (HAL_DCACHE_SIZE/(HAL_DCACHE_LINE_SIZE*HAL_DCACHE_WAYS))
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	87 #define HAL_ICACHE_SETS (HAL_ICACHE_SIZE/(HAL_ICACHE_LINE_SIZE*HAL_ICACHE_WAYS))
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	88
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	89 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	90
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	91 //-----------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	92 // Global control of data cache
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	93
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	94 // Enable the data cache
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	95 // There is no default mechanism for enabling or disabling the caches.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	96 #ifndef HAL_DCACHE_ENABLE_DEFINED
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	97 #define HAL_DCACHE_ENABLE()
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	98 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	99
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	100 // Disable the data cache
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	101 #ifndef HAL_DCACHE_DISABLE_DEFINED
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	102 #define HAL_DCACHE_DISABLE()
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	103 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	104
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	105 #ifndef HAL_DCACHE_IS_ENABLED_DEFINED
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	106 #define HAL_DCACHE_IS_ENABLED(_state_) (_state_) = 1;
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	107 #endif
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	108
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	109 // Invalidate the entire cache
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	110 // We simply use HAL_DCACHE_SYNC() to do this. For writeback caches this
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	111 // is not quite what we want, but there is no index-invalidate operation
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	112 // available.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	113 #ifndef HAL_DCACHE_INVALIDATE_ALL_DEFINED
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	114 #define HAL_DCACHE_INVALIDATE_ALL() HAL_DCACHE_SYNC()
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	115 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	116
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	117 // Synchronize the contents of the cache with memory.
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	118 // This uses the index-writeback-invalidate operation.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	119 #ifndef HAL_DCACHE_SYNC_DEFINED
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	120 #define HAL_DCACHE_SYNC() \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	121 { \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	122 register CYG_ADDRESS _baddr_ = 0x80000000; \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	123 register CYG_ADDRESS _addr_ = 0x80000000; \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	124 register CYG_WORD _size_ = HAL_DCACHE_SIZE; \
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	125 _HAL_ASM_SET_MIPS_ISA(3); \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	126 for( ; _addr_ <= _baddr_+_size_; _addr_ += HAL_DCACHE_LINE_SIZE ) \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	127 { asm volatile ("cache 0x01,0(%0)" : : "r"(_addr_) ); } \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	128 _HAL_ASM_SET_MIPS_ISA(0); \
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	129 }
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	130 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	131
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	132 // Set the data cache refill burst size
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	133 //#define HAL_DCACHE_BURST_SIZE(_size_)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	134
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	135 // Set the data cache write mode
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	136 //#define HAL_DCACHE_WRITE_MODE( _mode_ )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	137
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	138 //#define HAL_DCACHE_WRITETHRU_MODE 0
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	139 //#define HAL_DCACHE_WRITEBACK_MODE 1
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	140
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	141 // Load the contents of the given address range into the data cache
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	142 // and then lock the cache so that it stays there.
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	143 // This uses the fetch-and-lock cache operation.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	144 #ifndef HAL_DCACHE_LOCK_DEFINED
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	145 #define HAL_DCACHE_LOCK(_base_, _asize_) \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	146 CYG_MACRO_START \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	147 register CYG_ADDRESS _baddr_ = (CYG_ADDRESS)(_base_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	148 register CYG_ADDRESS _addr_ = (CYG_ADDRESS)(_base_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	149 register CYG_WORD _size_ = (_asize_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	150 register CYG_WORD _state_; \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	151 HAL_DCACHE_IS_ENABLED( _state_ ); \
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	152 if( _state_ ) { \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	153 _HAL_ASM_SET_MIPS_ISA(3); \
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	154 for( ; _addr_ <= _baddr_+_size_; _addr_ += HAL_DCACHE_LINE_SIZE ) \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	155 { asm volatile ("cache 0x1d,0(%0)" : : "r"(_addr_) ); } \
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	156 _HAL_ASM_SET_MIPS_ISA(0); \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	157 } \
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	158 CYG_MACRO_END
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	159 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	160
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	161 // Undo a previous lock operation.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	162 // Do this by flushing the cache, which is defined to clear the lock bit.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	163 #ifndef HAL_DCACHE_UNLOCK_DEFINED
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	164 #define HAL_DCACHE_UNLOCK(_base_, _size_) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	165 HAL_DCACHE_FLUSH( _base_, _size_ )
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	166 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	167
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	168 // Unlock entire cache
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	169 #ifndef HAL_DCACHE_UNLOCK_ALL_DEFINED
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	170 #define HAL_DCACHE_UNLOCK_ALL() \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	171 HAL_DCACHE_INVALIDATE_ALL()
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	172 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	173
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	174 //-----------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	175 // Data cache line control
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	176
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	177 // Allocate cache lines for the given address range without reading its
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	178 // contents from memory.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	179 //#define HAL_DCACHE_ALLOCATE( _base_ , _size_ )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	180
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	181 // Write dirty cache lines to memory and invalidate the cache entries
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	182 // for the given address range.
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	183 // This uses the hit-writeback-invalidate cache operation.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	184 #ifndef HAL_DCACHE_FLUSH_DEFINED
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	185 #define HAL_DCACHE_FLUSH( _base_ , _asize_ ) \
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	186 CYG_MACRO_START \
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	187 register CYG_ADDRESS _baddr_ = (CYG_ADDRESS)(_base_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	188 register CYG_ADDRESS _addr_ = (CYG_ADDRESS)(_base_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	189 register CYG_WORD _size_ = (_asize_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	190 register CYG_WORD _state_; \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	191 HAL_DCACHE_IS_ENABLED( _state_ ); \
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	192 if( _state_ ) { \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	193 _HAL_ASM_SET_MIPS_ISA(3); \
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	194 for( ; _addr_ <= _baddr_+_size_; _addr_ += HAL_DCACHE_LINE_SIZE ) \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	195 { asm volatile ("cache 0x15,0(%0)" : : "r"(_addr_) ); } \
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	196 _HAL_ASM_SET_MIPS_ISA(0); \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	197 } \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	198 CYG_MACRO_END
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	199 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	200
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	201 // Invalidate cache lines in the given range without writing to memory.
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	202 // This uses the hit-invalidate cache operation.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	203 #ifndef HAL_DCACHE_INVALIDATE_DEFINED
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	204 #define HAL_DCACHE_INVALIDATE( _base_ , _asize_ ) \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	205 { \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	206 register CYG_ADDRESS _baddr_ = (CYG_ADDRESS)(_base_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	207 register CYG_ADDRESS _addr_ = (CYG_ADDRESS)(_base_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	208 register CYG_WORD _size_ = (_asize_); \
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	209 _HAL_ASM_SET_MIPS_ISA(3); \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	210 for( ; _addr_ <= _baddr_+_size_; _addr_ += HAL_DCACHE_LINE_SIZE ) \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	211 { asm volatile ("cache 0x11,0(%0)" : : "r"(_addr_) ); } \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	212 _HAL_ASM_SET_MIPS_ISA(0); \
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	213 }
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	214 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	215
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	216 // Write dirty cache lines to memory for the given address range.
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	217 // This uses the hit-writeback cache operation.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	218 #ifndef HAL_DCACHE_STORE_DEFINED
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	219 #define HAL_DCACHE_STORE( _base_ , _asize_ ) \
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	220 CYG_MACRO_START \
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	221 register CYG_ADDRESS _baddr_ = (CYG_ADDRESS)(_base_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	222 register CYG_ADDRESS _addr_ = (CYG_ADDRESS)(_base_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	223 register CYG_WORD _size_ = (_asize_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	224 register CYG_WORD _state_; \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	225 HAL_DCACHE_IS_ENABLED( _state_ ); \
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	226 if( _state_ ) { \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	227 _HAL_ASM_SET_MIPS_ISA(3); \
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	228 for( ; _addr_ <= _baddr_+_size_; _addr_ += HAL_DCACHE_LINE_SIZE ) \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	229 { asm volatile ("cache 0x19,0(%0)" : : "r"(_addr_) ); } \
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	230 _HAL_ASM_SET_MIPS_ISA(0); \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	231 } \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	232 CYG_MACRO_END
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	233 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	234
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	235 // Preread the given range into the cache with the intention of reading
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	236 // from it later.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	237 //#define HAL_DCACHE_READ_HINT( _base_ , _size_ )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	238
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	239 // Preread the given range into the cache with the intention of writing
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	240 // to it later.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	241 //#define HAL_DCACHE_WRITE_HINT( _base_ , _size_ )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	242
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	243 // Allocate and zero the cache lines associated with the given range.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	244 //#define HAL_DCACHE_ZERO( _base_ , _size_ )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	245
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	246 //-----------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	247 // Global control of Instruction cache
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	248
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	249 // Enable the instruction cache
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	250 // There is no default mechanism for enabling or disabling the caches.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	251 #ifndef HAL_ICACHE_ENABLE_DEFINED
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	252 #define HAL_ICACHE_ENABLE()
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	253 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	254
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	255 // Disable the instruction cache
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	256 #ifndef HAL_ICACHE_DISABLE_DEFINED
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	257 #define HAL_ICACHE_DISABLE()
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	258 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	259
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	260 #ifndef HAL_ICACHE_IS_ENABLED_DEFINED
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	261 #define HAL_ICACHE_IS_ENABLED(_state_) (_state_) = 1;
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	262 #endif
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	263
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	264 // Invalidate the entire cache
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	265 // This uses the index-invalidate cache operation.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	266 #ifndef HAL_ICACHE_INVALIDATE_ALL_DEFINED
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	267 #define HAL_ICACHE_INVALIDATE_ALL() \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	268 { \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	269 register CYG_ADDRESS _baddr_ = 0x80000000; \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	270 register CYG_ADDRESS _addr_ = 0x80000000; \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	271 _HAL_ASM_SET_MIPS_ISA(3); \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	272 for( ; _addr_ < _baddr_+HAL_ICACHE_SIZE; _addr_ += HAL_ICACHE_LINE_SIZE ) \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	273 { asm volatile ("cache 0x00,0(%0)" : : "r"(_addr_) ); } \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	274 _HAL_ASM_SET_MIPS_ISA(0); \
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	275 }
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	276 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	277
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	278 // Synchronize the contents of the cache with memory.
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	279 // Simply force the cache to reload.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	280 #ifndef HAL_ICACHE_SYNC_DEFINED
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	281 #define HAL_ICACHE_SYNC() HAL_ICACHE_INVALIDATE_ALL()
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	282 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	283
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	284 // Set the instruction cache refill burst size
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	285 //#define HAL_ICACHE_BURST_SIZE(_size_)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	286
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	287 // Load the contents of the given address range into the instruction cache
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	288 // and then lock the cache so that it stays there.
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	289 // This uses the fetch-and-lock cache operation.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	290 #ifndef HAL_ICACHE_LOCK_DEFINED
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	291 #define HAL_ICACHE_LOCK(_base_, _asize_) \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	292 CYG_MACRO_START \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	293 register CYG_ADDRESS _baddr_ = (CYG_ADDRESS)(_base_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	294 register CYG_ADDRESS _addr_ = (CYG_ADDRESS)(_base_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	295 register CYG_WORD _size_ = (_asize_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	296 register CYG_WORD _state_; \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	297 HAL_ICACHE_IS_ENABLED( _state_ ); \
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	298 if( _state_ ) { \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	299 _HAL_ASM_SET_MIPS_ISA(3); \
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	300 for( ; _addr_ <= _baddr_+_size_; _addr_ += HAL_DCACHE_LINE_SIZE ) \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	301 { asm volatile ("cache 0x1c,0(%0)" : : "r"(_addr_) ); } \
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	302 _HAL_ASM_SET_MIPS_ISA(0); \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	303 } \
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	304 CYG_MACRO_END
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	305 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	306
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	307 // Undo a previous lock operation.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	308 // Do this by invalidating the cache, which is defined to clear the lock bit.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	309 #ifndef HAL_ICACHE_UNLOCK_DEFINED
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	310 #define HAL_ICACHE_UNLOCK(_base_, _size_) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	311 HAL_ICACHE_INVALIDATE( _base_, _size_ )
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	312 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	313
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	314 // Unlock entire cache
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	315 //#define HAL_ICACHE_UNLOCK_ALL()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	316
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	317 //-----------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	318 // Instruction cache line control
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	319
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	320 // Invalidate cache lines in the given range without writing to memory.
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	321 // This uses the hit-invalidate cache operation.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	322 #ifndef HAL_ICACHE_INVALIDATE_DEFINED
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	323 #define HAL_ICACHE_INVALIDATE( _base_ , _asize_ ) \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	324 { \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	325 register CYG_ADDRESS _baddr_ = (CYG_ADDRESS)(_base_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	326 register CYG_ADDRESS _addr_ = (CYG_ADDRESS)(_base_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	327 register CYG_WORD _size_ = (_asize_); \
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	328 _HAL_ASM_SET_MIPS_ISA(3); \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	329 for( ; _addr_ <= _baddr_+_size_; _addr_ += HAL_ICACHE_LINE_SIZE ) \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	330 { asm volatile ("cache 0x10,0(%0)" : : "r"(_addr_) ); } \
306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	331 _HAL_ASM_SET_MIPS_ISA(0); \
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	332 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	333 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	334
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	335 //-----------------------------------------------------------------------------
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	336 // Check that a supported configuration has actually defined some macros.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	337
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	338 #ifndef HAL_DCACHE_ENABLE
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	339
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	340 #error Unsupported MIPS configuration
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	341
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	342 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	343
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	344 //-----------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	345 #endif // ifndef CYGONCE_HAL_CACHE_H
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	346 // End of hal_cache.h

Mercurial > nand-ecoscentric

annotate packages/hal/mips/arch/current/include/hal_cache.h @ 66:bf00f99aec69 ecos-sw-2000-02-02