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arm: Do not clear LR on exception in SPL

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When an exception or interrupt occurs the link register (LR) may
contain the source of the exception, although we do not print the
value it may still be extracted with a debugger. When in SPL we
loop on getting and exception, but use a linking branch, which
over-writes the LR value, use a regular branch instruction here.

Signed-off-by: Andrew F. Davis <afd@ti.com>
This commit is contained in:
Andrew F. Davis 2018-06-11 14:04:17 -05:00 committed by Tom Rini
parent 845936792b
commit a1b73c1872
1 changed files with 1 additions and 1 deletions
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2
arch/arm/lib/vectors.S
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@ -133,7 +133,7 @@ not_used:
irq:
fiq:
1:
bl 1b /* hang and never return */
b 1b /* hang and never return */
#else /* !CONFIG_SPL_BUILD */