This is the out-of-function-scope counterpart of ALLOC_CACHE_ALIGN_BUFFER.
Signed-off-by: Marek Vasut marex@denx.de Cc: Tom Rini trini@ti.com Cc: Ilya Yanok ilya.yanok@cogentembedded.com --- include/common.h | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/include/common.h b/include/common.h index 17c64b0..06d278f 100644 --- a/include/common.h +++ b/include/common.h @@ -965,6 +965,17 @@ int cpu_release(int nr, int argc, char * const argv[]); \ type *name = (type *) ALIGN((uintptr_t)__##name, ARCH_DMA_MINALIGN)
+/* + * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's + * purpose is to allow allocating aligned buffers outside of function scope. + * Usage of this macro shall be avoided or used with extreme care! + */ +#define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ + static char __##name[roundup(size * sizeof(type), ARCH_DMA_MINALIGN)] \ + __aligned(ARCH_DMA_MINALIGN); \ + \ + static type *name = (type *)__##name; + /* Pull in stuff for the build system */ #ifdef DO_DEPS_ONLY # include <environment.h>