From 4bf2a6aa09c47636b3fc06758449c886140d1b9d Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Mon, 27 Apr 2015 09:40:16 +0200 Subject: bsps/cache: Clarify range functions support --- c/src/lib/libcpu/shared/include/cache.h | 2 -- c/src/lib/libcpu/shared/src/cache_manager.c | 8 ++++++-- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/c/src/lib/libcpu/shared/include/cache.h b/c/src/lib/libcpu/shared/include/cache.h index 2699791cba..9220a20d28 100644 --- a/c/src/lib/libcpu/shared/include/cache.h +++ b/c/src/lib/libcpu/shared/include/cache.h @@ -21,9 +21,7 @@ #ifndef __LIBCPU_CACHE_h #define __LIBCPU_CACHE_h -void _CPU_cache_flush_data_range(const void *d_addr, size_t n_bytes); void _CPU_cache_flush_1_data_line(const void *d_addr); -void _CPU_cache_invalidate_data_range(const void *d_addr, size_t n_bytes); void _CPU_cache_invalidate_1_data_line(const void *d_addr); void _CPU_cache_freeze_data(void); void _CPU_cache_unfreeze_data(void); diff --git a/c/src/lib/libcpu/shared/src/cache_manager.c b/c/src/lib/libcpu/shared/src/cache_manager.c index 3f7a066ca1..202ea8e1ba 100644 --- a/c/src/lib/libcpu/shared/src/cache_manager.c +++ b/c/src/lib/libcpu/shared/src/cache_manager.c @@ -20,9 +20,13 @@ * rtems/c/src/lib/libcpu/CPU/cache_.h * * The cache implementation header file can define - * CPU_CACHE_SUPPORT_PROVIDES_RANGE_FUNCTIONS + * + * #define CPU_CACHE_SUPPORT_PROVIDES_RANGE_FUNCTIONS + * * if it provides cache maintenance functions which operate on multiple lines. - * Otherwise a generic loop with single line operations will be used. + * Otherwise a generic loop with single line operations will be used. It is + * strongly recommended to provide the implementation in terms of static + * inline functions for performance reasons. * * The functions below are implemented with CPU dependent inline routines * found in the cache.c files for each CPU. In the event that a CPU does -- cgit v1.2.3