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| author | Sean Anderson <sean.anderson@seco.com> | 2022-03-24 11:26:11 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-04-11 11:39:19 -0400 |
| commit | b583348ca8c8ce74d5dd665446d20f4c6c6e3f06 (patch) | |
| tree | 46c9d7af8d9c1ccc8210caa049c34c39aae56d09 | |
| parent | e6fe02a5715b3dc02fe4041c4f5a59099a711d70 (diff) | |
| download | u-boot-b583348ca8c8ce74d5dd665446d20f4c6c6e3f06.tar.gz u-boot-b583348ca8c8ce74d5dd665446d20f4c6c6e3f06.tar.bz2 u-boot-b583348ca8c8ce74d5dd665446d20f4c6c6e3f06.zip | |
image: fit: Align hash output buffers
Hardware-accelerated hash functions require that the input and output
buffers be aligned to the minimum DMA alignment. memalign.h helpfully
provides a macro just for this purpose. It doesn't exist on the host,
but we don't need to be aligned there either.
Fixes: 5dfb521386 ("[new uImage] New uImage low-level API")
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | boot/image-fit.c | 4 | ||||
| -rw-r--r-- | tools/mkimage.h | 3 |
2 files changed, 6 insertions, 1 deletions
diff --git a/boot/image-fit.c b/boot/image-fit.c index f01cafe4e2..6610035d0a 100644 --- a/boot/image-fit.c +++ b/boot/image-fit.c @@ -24,6 +24,7 @@ #include <mapmem.h> #include <asm/io.h> #include <malloc.h> +#include <memalign.h> #include <asm/global_data.h> #ifdef CONFIG_DM_HASH #include <dm.h> @@ -1263,7 +1264,8 @@ int calculate_hash(const void *data, int data_len, const char *name, static int fit_image_check_hash(const void *fit, int noffset, const void *data, size_t size, char **err_msgp) { - uint8_t value[FIT_MAX_HASH_LEN]; + DEFINE_ALIGN_BUFFER(uint8_t, value, FIT_MAX_HASH_LEN, + ARCH_DMA_MINALIGN); int value_len; const char *algo; uint8_t *fit_value; diff --git a/tools/mkimage.h b/tools/mkimage.h index 0d3148444c..7652c8b001 100644 --- a/tools/mkimage.h +++ b/tools/mkimage.h @@ -41,6 +41,9 @@ static inline ulong map_to_sysmem(void *ptr) return (ulong)(uintptr_t)ptr; } +#define ARCH_DMA_MINALIGN 1 +#define DEFINE_ALIGN_BUFFER(type, name, size, alugn) type name[size] + #define MKIMAGE_TMPFILE_SUFFIX ".tmp" #define MKIMAGE_MAX_TMPFILE_LEN 256 #define MKIMAGE_DEFAULT_DTC_OPTIONS "-I dts -O dtb -p 500" |