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skrzyp |
#ifndef CYGONCE_HAL_CACHE_H
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#define CYGONCE_HAL_CACHE_H
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//=============================================================================
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//
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// hal_cache.h
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//
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// HAL cache control API
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//
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//=============================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 2011 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public License.
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// -------------------------------------------
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// ####ECOSGPLCOPYRIGHTEND####
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//=============================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): jlarmour
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// Contributors:
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// Date: 2011-00-03
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// Purpose: Cache control API
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// Description: The macros defined here provide the HAL APIs for handling
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// cache control operations.
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//
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// For the Atcel SmartFusion, these are empty macros as there
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// is no cache.
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// Usage:
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// #include <cyg/hal/hal_cache.h>
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// ...
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//
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//
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//####DESCRIPTIONEND####
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//
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//=============================================================================
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#include <cyg/infra/cyg_type.h>
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//-----------------------------------------------------------------------------
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// Cache dimensions
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//-----------------------------------------------------------------------------
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// Global control of data cache
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// Enable the data cache
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#define HAL_DCACHE_ENABLE()
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// Disable the data cache
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#define HAL_DCACHE_DISABLE()
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// Invalidate the entire cache
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#define HAL_DCACHE_INVALIDATE_ALL()
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// Synchronize the contents of the cache with memory.
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#define HAL_DCACHE_SYNC()
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// Purge contents of data cache
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#define HAL_DCACHE_PURGE_ALL()
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// Query the state of the data cache (does not affect the caching)
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#define HAL_DCACHE_IS_ENABLED(_state_) \
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CYG_MACRO_START \
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(_state_) = 0; \
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CYG_MACRO_END
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//-----------------------------------------------------------------------------
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// Global control of Instruction cache
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// Enable the instruction cache
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#define HAL_ICACHE_ENABLE()
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// Disable the instruction cache
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#define HAL_ICACHE_DISABLE()
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// Invalidate the entire cache
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#define HAL_ICACHE_INVALIDATE_ALL()
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// Synchronize the contents of the cache with memory.
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#define HAL_ICACHE_SYNC()
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// Query the state of the instruction cache (does not affect the caching)
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#define HAL_ICACHE_IS_ENABLED(_state_) \
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CYG_MACRO_START \
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(_state_) = 0; \
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CYG_MACRO_END
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//-----------------------------------------------------------------------------
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#endif // ifndef CYGONCE_HAL_CACHE_H
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// End of hal_cache.h
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