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| H A D | misc_helpers.S | 9c1dceb106474966211a3782f8e89e195b4c079c Wed Sep 28 10:00:05 UTC 2016 Yatharth Kochar <yatharth.kochar@arm.com> AArch32: Add `memcpy4` function in assembly
At present the `el3_entrypoint_common` macro uses `memcpy`
function defined in lib/stdlib/mem.c file, to copy data
from ROM to RAM for BL1. Depending on the compiler being
used the stack could potentially be used, in `memcpy`,
for storing the local variables. Since the stack is
initialized much later in `el3_entrypoint_common` it
may result in unknown behaviour.
This patch adds `memcpy4` function definition in assembly so
that it can be used before the stack is initialized and it
also replaces `memcpy` by `memcpy4` in `el3_entrypoint_common`
macro, to copy data from ROM to RAM for BL1.
Change-Id: I3357a0e8095f05f71bbbf0b185585d9499bfd5e0
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