124 lines
3.9 KiB
C
124 lines
3.9 KiB
C
/****************************************************************************
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* arch/arm/src/sam34/sam_cmcc.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_SRC_SAM34_SAM_CMCC_H
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#define __ARCH_ARM_SRC_SAM34_SAM_CMCC_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#ifdef CONFIG_SAM34_CMCC
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Inline Functions
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****************************************************************************/
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: sam_cmcc_enable
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*
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* Description:
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* Enable the Cortex-M Cache Controller
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*
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****************************************************************************/
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void sam_cmcc_enable(void);
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/****************************************************************************
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* Name: sam_cmcc_disable
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*
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* Description:
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* Disable the Cortex-M Cache Controller
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*
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****************************************************************************/
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void sam_cmcc_disable(void);
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/****************************************************************************
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* Name: sam_cmcc_invalidate
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*
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* Description:
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* Invalidate a range of addresses. Note: These addresses should be
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* aligned with the beginning and end of cache lines. Otherwise, values
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* at the edges of the region will also be invalidated!
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*
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****************************************************************************/
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void sam_cmcc_invalidate(uintptr_t start, uintptr_t end);
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/****************************************************************************
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* Name: sam_cmcc_invalidateall
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*
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* Description:
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* Invalidate the entire cache
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*
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****************************************************************************/
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void sam_cmcc_invalidateall(void);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#else /* CONFIG_SAM34_CMCC */
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/* Stubs so that we don't have to put condition compilation in driver
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* source
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*/
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# define sam_cmcc_invalidate(start, end)
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# define sam_cmcc_invalidateall()
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#endif /* CONFIG_SAM34_CMCC */
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#endif /* __ARCH_ARM_SRC_SAM34_SAM_CMCC_H */
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