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authorPavel Pisa <pisa@cmp.felk.cvut.cz>2016-07-03 09:30:20 +0200
committerPavel Pisa <pisa@cmp.felk.cvut.cz>2016-07-04 15:55:57 +0200
commitabea02a832a2693b01e77bca91ea3c98ee149e92 (patch)
treed0651989303d1eb2a66b76b784902a8ee485b849
parentrtems+bsps/cache: Define cache manager operations for code synchronization an... (diff)
downloadrtems-abea02a832a2693b01e77bca91ea3c98ee149e92.tar.bz2
bsp/arm: Report correct maximal cache line length for ARM Cortex-A + L2C-310.
-rw-r--r--c/src/lib/libbsp/arm/shared/arm-l2c-310/cache_.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/shared/arm-l2c-310/cache_.h b/c/src/lib/libbsp/arm/shared/arm-l2c-310/cache_.h
index 35c80026d4..e83b55cfa6 100644
--- a/c/src/lib/libbsp/arm/shared/arm-l2c-310/cache_.h
+++ b/c/src/lib/libbsp/arm/shared/arm-l2c-310/cache_.h
@@ -72,6 +72,10 @@ extern "C" {
/* These two defines also ensure that the rtems_cache_* functions have bodies */
#define CPU_DATA_CACHE_ALIGNMENT ARM_CACHE_L1_CPU_DATA_ALIGNMENT
#define CPU_INSTRUCTION_CACHE_ALIGNMENT ARM_CACHE_L1_CPU_INSTRUCTION_ALIGNMENT
+#if defined(__ARM_ARCH_7A__)
+/* Some/many ARM Cortex-A cores have L1 data line lenght 64 bytes */
+#define CPU_MAXIMAL_CACHE_ALIGNMENT 64
+#endif
#define CPU_CACHE_SUPPORT_PROVIDES_RANGE_FUNCTIONS \
ARM_CACHE_L1_CPU_SUPPORT_PROVIDES_RANGE_FUNCTIONS
#define CPU_CACHE_SUPPORT_PROVIDES_CACHE_SIZE_FUNCTIONS