3 commits

Author	SHA1	Message	Date
Alexander Graf	0de02de768	arm: Fix setjmp (again) ... Commit e677724 (arm: Fix setjmp) added code to fix compilation of the setjmp code path with thumv1. Unfortunately it missed a constraint that the adr instruction can only refer to 4 byte aligned offsets. So this patch adds the required alignment hooks to make compilation work again even when setjmp doesn't happen to be 4 byte aligned. Signed-off-by: Alexander Graf <agraf@suse.de> Tested-by: Tom Rini <trini@konsulko.com>	2016-07-08 17:16:38 -04:00
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