efi/arm: Pass start and end addresses to cache_clean_flush()

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In preparation for turning the decompressor's cache clean/flush
operations into proper by-VA maintenance for v7 cores, pass the
start and end addresses of the regions that need cache maintenance
into cache_clean_flush in registers r0 and r1.

Currently, all implementations of cache_clean_flush ignore these
values, so no functional change is expected as a result of this
patch.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

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Ard Biesheuvel 2020-02-19 00:09:48 +01:00

parent c7225494be

commit e951a1f427

1 changed files with 6 additions and 0 deletions

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arch/arm/boot/compressed/head.S

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