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comparison packages/hal/sh/arch/current/include/hal_cache.h @ 128:0c2b7be0d798 ecos-sw-2000-10-12

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Merge from eCos master repository on 2000-10-12-08:46:24-BST
author jlarmour
date Thu, 12 Oct 2000 20:31:43 +0000
parents 489eb5632bc3
children d2f49caf9e38
comparison
equal deleted inserted replaced
127:67f0ef5f8ee9 128:0c2b7be0d798
86 86
87 externC void cyg_hal_cache_enable(void); 87 externC void cyg_hal_cache_enable(void);
88 externC void cyg_hal_cache_disable(void); 88 externC void cyg_hal_cache_disable(void);
89 externC void cyg_hal_cache_invalidate_all(void); 89 externC void cyg_hal_cache_invalidate_all(void);
90 externC void cyg_hal_cache_sync(void); 90 externC void cyg_hal_cache_sync(void);
91 externC void cyg_hal_cache_sync_region(cyg_haladdress base,
92 cyg_haladdrword len);
91 externC void cyg_hal_cache_write_mode(int mode); 93 externC void cyg_hal_cache_write_mode(int mode);
92 94
93 // Enable the cache 95 // Enable the cache
94 #define HAL_UCACHE_ENABLE() cyg_hal_cache_enable() 96 #define HAL_UCACHE_ENABLE() cyg_hal_cache_enable()
95 97
111 113
112 // Set the cache refill burst size 114 // Set the cache refill burst size
113 //#define HAL_UCACHE_BURST_SIZE(_size_) 115 //#define HAL_UCACHE_BURST_SIZE(_size_)
114 116
115 // Set the cache write mode 117 // Set the cache write mode
116 #define HAL_UCACHE_WRITE_MODE( _mode_ ) cyg_hal_cache_write_mode(_mode_) 118 #define HAL_UCACHE_WRITE_MODE( _mode_ ) \
119 CYG_MACRO_START \
120 cyg_uint32 _m_; \
121 if (HAL_UCACHE_WRITETHRU_MODE == _mode_) \
122 _m_ = CYGARC_REG_CCR_WT; \
123 else \
124 _m_ = CYGARC_REG_CCR_CB; \
125 cyg_hal_cache_write_mode(_m_); \
126 CYG_MACRO_END
117 127
118 #define HAL_UCACHE_WRITETHRU_MODE 0 128 #define HAL_UCACHE_WRITETHRU_MODE 0
119 #define HAL_UCACHE_WRITEBACK_MODE 1 129 #define HAL_UCACHE_WRITEBACK_MODE 1
130
131 // This macro allows the client to specify separate modes for the two
132 // regions.
133 #define HAL_UCACHE_WRITE_MODE_SH( _mode_ ) cyg_hal_cache_write_mode(_mode_)
120 134
121 // Load the contents of the given address range into the cache 135 // Load the contents of the given address range into the cache
122 // and then lock the cache so that it stays there. 136 // and then lock the cache so that it stays there.
123 //#define HAL_UCACHE_LOCK(_base_, _size_) 137 //#define HAL_UCACHE_LOCK(_base_, _size_)
124 138
135 // contents from memory. 149 // contents from memory.
136 //#define HAL_UCACHE_ALLOCATE( _base_ , _size_ ) 150 //#define HAL_UCACHE_ALLOCATE( _base_ , _size_ )
137 151
138 // Write dirty cache lines to memory and invalidate the cache entries 152 // Write dirty cache lines to memory and invalidate the cache entries
139 // for the given address range. 153 // for the given address range.
140 //#define HAL_UCACHE_FLUSH( _base_ , _size_ ) 154 #define HAL_UCACHE_FLUSH( _base_ , _size_ ) \
155 cyg_hal_cache_sync_region(_base_, _size_)
141 156
142 // Invalidate cache lines in the given range without writing to memory. 157 // Invalidate cache lines in the given range without writing to memory.
143 //#define HAL_UCACHE_INVALIDATE( _base_ , _size_ ) 158 //#define HAL_UCACHE_INVALIDATE( _base_ , _size_ )
144 159
145 // Write dirty cache lines to memory for the given address range. 160 // Write dirty cache lines to memory for the given address range.
146 //#define HAL_UCACHE_STORE( _base_ , _size_ ) 161 //#define HAL_UCACHE_STORE( _base_ , _size_ )
162
147 163
148 // Preread the given range into the cache with the intention of reading 164 // Preread the given range into the cache with the intention of reading
149 // from it later. 165 // from it later.
150 //#define HAL_UCACHE_READ_HINT( _base_ , _size_ ) 166 //#define HAL_UCACHE_READ_HINT( _base_ , _size_ )
151 167
209 // contents from memory. 225 // contents from memory.
210 //#define HAL_DCACHE_ALLOCATE( _base_ , _size_ ) 226 //#define HAL_DCACHE_ALLOCATE( _base_ , _size_ )
211 227
212 // Write dirty cache lines to memory and invalidate the cache entries 228 // Write dirty cache lines to memory and invalidate the cache entries
213 // for the given address range. 229 // for the given address range.
214 //#define HAL_DCACHE_FLUSH( _base_ , _size_ ) 230 #define HAL_DCACHE_FLUSH( _base_ , _size_ ) HAL_UCACHE_FLUSH( _base_, _size_ )
215 231
216 // Invalidate cache lines in the given range without writing to memory. 232 // Invalidate cache lines in the given range without writing to memory.
217 //#define HAL_DCACHE_INVALIDATE( _base_ , _size_ ) 233 //#define HAL_DCACHE_INVALIDATE( _base_ , _size_ )
218 234
219 // Write dirty cache lines to memory for the given address range. 235 // Write dirty cache lines to memory for the given address range.