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authorBenjamin Barenblat <bbaren@google.com>2016-06-17 09:49:24 -0700
committerMartin Roth <martinroth@google.com>2016-06-24 19:10:05 +0200
commit82ef8ada82bd63ea7ce61843189fd4ee5de45cb5 (patch)
treed6ff6b96487b2b56f2efa84c51deff299925dc20 /payloads/Makefile.inc
parentc86da67436827c25919a2f5966049485a58fc984 (diff)
src/commonlib/lz4_wrapper: Correct inline asm for unaligned 64-bit copy
Rewrite inline assembly for ARMv7+ to correctly annotate inputs and outputs. On ARM GCC 6.1.1, this causes assembly output to change from the incorrect @ r0 is allocated to hold dst and x0 @ r1 is allocated to hold src and x1 ldr r0, [r1] @ clobbers dst! ldr r1, [r1, #4] str r0, [r0] str r1, [r0, #4] to the correct @ r0 is allocated to hold dst @ r1 is allocated to hold src and x1 @ r3 is allocated to hold x0 ldr r3, [r1] ldr r1, [r1, #4] str r3, [r0] str r1, [r0, #4] Also modify checkpatch.pl to ignore spaces before opening brackets when used in inline assembly. Change-Id: I255995f5e0a7b1a95375258755a93972c51d79b8 Signed-off-by: Benjamin Barenblat <bbaren@google.com> Reviewed-on: https://review.coreboot.org/15216 Tested-by: build bot (Jenkins) Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'payloads/Makefile.inc')
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