1 #ifndef CYGONCE_HAL_CACHE_H
2 #define CYGONCE_HAL_CACHE_H
4 //=============================================================================
8 // HAL cache control API
10 //=============================================================================
11 //####ECOSGPLCOPYRIGHTBEGIN####
12 // -------------------------------------------
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15 // Copyright (C) 2004 eCosCentric Limited
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39 // -------------------------------------------
40 //####ECOSGPLCOPYRIGHTEND####
41 //=============================================================================
42 //#####DESCRIPTIONBEGIN####
47 // Purpose: Cache control API
48 // Description: The macros defined here provide the HAL APIs for handling
49 // cache control operations.
51 // #include <cyg/hal/hal_cache.h>
55 //####DESCRIPTIONEND####
57 //=============================================================================
59 #include <cyg/infra/cyg_type.h>
61 //-----------------------------------------------------------------------------
62 // Global control of data cache
64 // Enable the data cache
65 #define HAL_DCACHE_ENABLE()
67 // Disable the data cache
68 #define HAL_DCACHE_DISABLE()
70 // Invalidate the entire cache
71 #define HAL_DCACHE_INVALIDATE_ALL()
73 // Synchronize the contents of the cache with memory.
74 #define HAL_DCACHE_SYNC()
76 // Purge contents of data cache
77 #define HAL_DCACHE_PURGE_ALL()
79 // Query the state of the data cache (does not affect the caching)
80 #define HAL_DCACHE_IS_ENABLED(_state_) \
85 //-----------------------------------------------------------------------------
86 // Global control of Instruction cache
88 // Enable the instruction cache
89 #define HAL_ICACHE_ENABLE()
91 // Disable the instruction cache
92 #define HAL_ICACHE_DISABLE()
94 // Invalidate the entire cache
95 #define HAL_ICACHE_INVALIDATE_ALL()
97 // Synchronize the contents of the cache with memory.
98 #define HAL_ICACHE_SYNC()
100 // Query the state of the instruction cache (does not affect the caching)
101 #define HAL_ICACHE_IS_ENABLED(_state_) \
106 //-----------------------------------------------------------------------------
107 #endif // ifndef CYGONCE_HAL_CACHE_H
108 // End of hal_cache.h