On Sun, 15 May 2011 20:51:36 +0530 Aneesh V aneesh@ti.com wrote:
Embed the u-boot flash image size at a known offset from the start of u-boot so that SPL can use it while loading u-boot from a non-XIP media.
Signed-off-by: Aneesh V aneesh@ti.com V2:
- Removed the linker script label '__flash_image_end' and its usage. Instead '_end' is used now
arch/arm/cpu/armv7/start.S | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index f92c6d9..f676d7d 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -64,8 +64,12 @@ _pad: .word 0x12345678 /* now 16*4=64 */
.global _end_vect _end_vect: +.global _u_boot_size +_u_boot_size:
- .word 0xDEADBEEF
- .word _end - _start
0xdeadbeef does not seem like a good magic value to identify this header format -- especially since it looks like that may have been the value present in the older images that don't have this header (depending on whether the .balignl needed to pad).
-Scott