On Mon, 21 Mar 2011, John Bonesio wrote:
> This patch provides the ability to boot using a device tree that is appended
> to the raw binary zImage (e.g. cat zImage <filename>.dtb > zImage_w_dtb).
>
> Signed-off-by: John Bonesio <[email protected]>
One minor glitch still... ;-)
> @@ -288,12 +344,28 @@ wont_overwrite:
>
> /*
> * Relocate all entries in the GOT table.
> + * Bump bss entries to _edata + dtb size
> */
> 1: ldr r1, [r11, #0] @ relocate entries in the GOT
> - add r1, r1, r0 @ table. This fixes up the
> - str r1, [r11], #4 @ C references.
> + add r1, r1, r0 @ This fixes up C references
> + cmp r1, r2 @ if entry >= bss_start &&
> + cmphs r3, r1 @ bss_end > entry
> + addhi r1, lr @ entry += dtb size
Some toolchains won't accept this shortened version unless you compile
for Thumb. You should instead use:
addhi r1, r1, lr
Otherwise...
Reviewed-by: Nicolas Pitre <[email protected]>
Nicolas
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