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-rw-r--r--include/common.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/include/common.h b/include/common.h
index 28aa4b9..84315a0 100644
--- a/include/common.h
+++ b/include/common.h
@@ -1011,10 +1011,17 @@ static inline phys_addr_t map_to_sysmem(void *ptr)
* of a function scoped static buffer. It can not be used to create a cache
* line aligned global buffer.
*/
-#define ALLOC_ALIGN_BUFFER(type, name, size, align) \
- char __##name[ROUND(size * sizeof(type), align) + (align - 1)]; \
+#define PAD_COUNT(s, pad) ((s - 1) / pad + 1)
+#define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad)
+#define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \
+ char __##name[ROUND(PAD_SIZE(size * sizeof(type), pad), align) \
+ + (align - 1)]; \
\
type *name = (type *) ALIGN((uintptr_t)__##name, align)
+#define ALLOC_ALIGN_BUFFER(type, name, size, align) \
+ ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1)
+#define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \
+ ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad)
#define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \
ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN)