[PATCH] arm: boot/compressed: fix decompressor header layout for v7-M

[Russell King - ARM Linux]

On Fri, May 19, 2017 at 06:58:16PM +0100, Robin Murphy wrote:
> Ah, I knew I'd have overlooked something - that makes sense.
> 
> FWIW, my final thought is this:
> 
> 	add	r12, pc, #5
> 	mov	r0, r0
> 	mov	pc, r12
> 
> Which I think should leave you in Thumb regardless of which ISA it's
> assembled in, thanks to the wackiness of ALUWritePC().

You only have four bytes to fit whatever code in here.

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