On some architectures (like AArch64), /dev/mem mappings outside of the
area marked as normal RAM use a memory type that does not support
unaligned accesses. The libc memcpy() implementation on these
architectures may not know or expect that and make an unaligned access
for certain source/dest/length alignments. Add a custom memcpy()
implementation that takes these restrictions into account and use it
anywhere we copy straight out of /dev/mem memory.
BUG=none
BRANCH=none
TEST=none
Change-Id: Ia5b395d84a3279913432045d97a32eabaad8da8f
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 127a79e0b6
Original-Change-Id: I03eece380a14a69d4be3805ed72fba640f6f7d9c
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://review.coreboot.org/18300
Original-Tested-by: build bot (Jenkins)
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/480107
3369ea0dda