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(parent: 8459367) | patch
arm: Do not clear LR on exception in SPL
authorAndrew F. Davis <afd@ti.com>
Mon, 11 Jun 2018 19:04:17 +0000 (14:04 -0500)
committerTom Rini <trini@konsulko.com>
Mon, 18 Jun 2018 18:43:13 +0000 (14:43 -0400)
commita1b73c18724eb8cb75f7a60d851578d933c78095
treedbdd9feab4bd237ad6a95b60a815bc62bd5df672tree | snapshot
parent845936792bc3c602470e2d759232fb1537cbc5e7commit | diff
arm: Do not clear LR on exception in SPL

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>
arch/arm/lib/vectors.S diff | blob | history
Cloned from git://git.denx.de/u-boot.git