#3622 closed task (fixed)
Remove cache routines working with a processor set
Reported by: | Sebastian Huber | Owned by: | Sebastian Huber |
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Priority: | normal | Milestone: | 5.1 |
Component: | unspecified | Version: | 5 |
Severity: | normal | Keywords: | |
Cc: | Blocked By: | ||
Blocking: |
Description
The following cache manager API functions are exotic, complex, very hard to use correctly, not used in the RTEMS code base, and apparently unused by applications (https://lists.rtems.org/pipermail/users/2018-November/032764.html). Remove these functions
/** * @brief Flushes multiple data cache lines for a set of processors * * Dirty cache lines covering the area are transferred to memory. * Depending on the cache implementation this may mark the lines as invalid. * * This operation should not be called from interrupt context. * * @param[in] addr The start address of the area to flush. * @param[in] size The size in bytes of the area to flush. * @param[in] setsize The size of the processor set. * @param[in] set The target processor set. */ void rtems_cache_flush_multiple_data_lines_processor_set( const void *addr, size_t size, const size_t setsize, const cpu_set_t *set ); /** * @brief Invalidates multiple data cache lines for a set of processors * * The cache lines covering the area are marked as invalid. A later read * access in the area will load the data from memory. * * In case the area is not aligned on cache line boundaries, then this * operation may destroy unrelated data. * * This operation should not be called from interrupt context. * * @param[in] addr The start address of the area to invalidate. * @param[in] size The size in bytes of the area to invalidate. * @param[in] setsize The size of the processor set. * @param[in] set The target processor set. */ void rtems_cache_invalidate_multiple_data_lines_processor_set( const void *addr, size_t size, const size_t setsize, const cpu_set_t *set ); /** * @brief Flushes the entire data cache for a set of processors * * This operation should not be called from interrupt context. * * @see rtems_cache_flush_multiple_data_lines(). * * @param[in] setsize The size of the processor set. * @param[in] set The target processor set. */ void rtems_cache_flush_entire_data_processor_set( const size_t setsize, const cpu_set_t *set ); /** * @brief Invalidates the entire cache for a set of processors * * This function is responsible for performing a data cache * invalidate. It invalidates the entire cache for a set of * processors. * * This operation should not be called from interrupt context. * * @param[in] setsize The size of the processor set. * @param[in] set The target processor set. */ void rtems_cache_invalidate_entire_data_processor_set( const size_t setsize, const cpu_set_t *set );
Change History (2)
comment:1 Changed on 11/27/18 at 07:09:13 by Sebastian Huber <sebastian.huber@…>
Resolution: | → fixed |
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Status: | assigned → closed |
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