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Author SHA1 Message Date
Alexander Graf
e677724884 arm: Fix setjmp 
The setjmp/longjmp implementation did not work on thumb1 implementations
because it used instruction encodings that don't exist on thumb1 yet.

This patch limits itself to thumb1 instruction set for 32bit arm and
removes a superfluous printf along the way.

Signed-off-by: Alexander Graf <agraf@suse.de>
 2016-06-17 09:51:06 -04:00
Alexander Graf
97d44b1f5c arm: Introduce setjmp/longjmp 
To quit an EFI application we will need logic to jump to the caller
of a function without returning from the function we called into,
so we need setjmp/longjmp functionality.

This patch introduces a trivial implementation of these that I
verified works on armv7, thumb2 and aarch64.

Signed-off-by: Alexander Graf <agraf@suse.de>
 2016-06-06 13:39:15 -04:00