[U-Boot] [PATCH 09/16] mkimage: change stm32image header to manage binary information

[Patrick Delaunay]

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 <patrick.delaunay at st.com>
---

 tools/stm32image.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tools/stm32image.c b/tools/stm32image.c
index 08b32ba..ff3ec5f 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,
-- 
2.7.4