bzr branch
http://suren.me/webbzr/alps/pcitool
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by Suren A. Chilingaryan
Support for 64-bit registes |
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#ifndef _PCILIB_MEMCPY_H
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#define _PCILIB_MEMCPY_H
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#include <stdio.h> |
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#include <stdint.h> |
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#ifdef __cplusplus
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extern "C" { |
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#endif
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361
by Suren A. Chilingaryan
Documentation update |
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/**
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* The collection of slow memcpy functions to move the data between BAR and system memory.
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*
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* The hardware may restrict access width or expose different behavior depending on the
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* access width. These functions access memory using the specified word width only.
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* 8-, 16-, 32-, and 64-bit wide access is supported.
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*
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* @param[out] dst - the destination memory region
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* @param[in] src - the source memory region
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* @param[in] access - the size of word (a single memory access) in bytes
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* @param[in] n - the number of words to copy (\p n * \p access bytes are copied).
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* @return - `dst` or NULL on error
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*/
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void *pcilib_memcpy(void * dst, void const * src, uint8_t access, size_t n); |
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/**
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* The collection of slow memcpy functions to move the data between BAR and system memory.
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*
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* The hardware may restrict access width or expose different behavior depending on the
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* access width. This function only perform 8-bit memory accesses.
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*
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* @param[out] dst - the destination memory region
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* @param[in] src - the source memory region
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* @param[in] len - the number of bytes to copy
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* @return - `dst` or NULL on error
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*/
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330
by Suren A. Chilingaryan
Support for 64-bit registes |
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void *pcilib_memcpy8(void * dst, void const * src, size_t len); |
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361
by Suren A. Chilingaryan
Documentation update |
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/**
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* The collection of slow memcpy functions to move the data between BAR and system memory.
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*
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* The hardware may restrict access width or expose different behavior depending on the
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* access width. This function only perform 32-bit memory accesses.
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*
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* @param[out] dst - the destination memory region
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* @param[in] src - the source memory region
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* @param[in] len - the number of bytes to copy
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* @return - `dst` or NULL on error
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*/
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330
by Suren A. Chilingaryan
Support for 64-bit registes |
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void *pcilib_memcpy32(void * dst, void const * src, size_t len); |
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361
by Suren A. Chilingaryan
Documentation update |
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/**
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* The collection of slow memcpy functions to move the data between BAR and system memory.
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*
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* The hardware may restrict access width or expose different behavior depending on the
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* access width. This function only perform 64-bit memory accesses.
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*
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* @param[out] dst - the destination memory region
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* @param[in] src - the source memory region
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* @param[in] len - the number of bytes to copy
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* @return - `dst` or NULL on error
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*/
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330
by Suren A. Chilingaryan
Support for 64-bit registes |
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void *pcilib_memcpy64(void * dst, void const * src, size_t len); |
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#ifdef __cplusplus
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}
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#endif
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#endif /* _PCILIB_MEMCPY_H */ |