From 8099e3db6092ab122bdd50272e9fb4a2a931c327 Mon Sep 17 00:00:00 2001 From: Patrick Delaunay Date: Thu, 18 Apr 2019 17:32:44 +0200 Subject: mkimage: change stm32image header to manage binary information To get more information from STM32 Header about the generated binary, we will add a new byte with the following field: replace padding byte 255 with 0x00 for "U-Boot" Signed-off-by: Patrick Delaunay --- tools/stm32image.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'tools/stm32image.c') diff --git a/tools/stm32image.c b/tools/stm32image.c index 08b32ba87d..ff3ec5f3f2 100644 --- a/tools/stm32image.c +++ b/tools/stm32image.c @@ -14,6 +14,8 @@ #define HEADER_VERSION_V1 0x1 /* default option : bit0 => no signature */ #define HEADER_DEFAULT_OPTION (cpu_to_le32(0x00000001)) +/* default binary type for U-Boot */ +#define HEADER_TYPE_UBOOT (cpu_to_le32(0x00000000)) struct stm32_header { uint32_t magic_number; @@ -29,7 +31,8 @@ struct stm32_header { uint32_t option_flags; uint32_t ecdsa_algorithm; uint32_t ecdsa_public_key[64 / 4]; - uint32_t padding[84 / 4]; + uint32_t padding[83 / 4]; + uint32_t binary_type; }; static struct stm32_header stm32image_header; @@ -43,6 +46,7 @@ static void stm32image_default_header(struct stm32_header *ptr) ptr->header_version[VER_MAJOR_IDX] = HEADER_VERSION_V1; ptr->option_flags = HEADER_DEFAULT_OPTION; ptr->ecdsa_algorithm = 1; + ptr->binary_type = HEADER_TYPE_UBOOT; } static uint32_t stm32image_checksum(void *start, uint32_t len) @@ -112,6 +116,8 @@ static void stm32image_print_header(const void *ptr) le32_to_cpu(stm32hdr->image_checksum)); printf("Option : 0x%08x\n", le32_to_cpu(stm32hdr->option_flags)); + printf("BinaryType : 0x%08x\n", + le32_to_cpu(stm32hdr->binary_type)); } static void stm32image_set_header(void *ptr, struct stat *sbuf, int ifd, -- cgit v1.2.3