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authorJulius Werner <jwerner@chromium.org>2020-02-14 12:42:01 -0800
committerPatrick Georgi <pgeorgi@google.com>2020-02-17 15:42:34 +0000
commitbf33b03acf27d79df9bf1bd8d5075b70196b1844 (patch)
tree403c22abdb570c0956ce6655ab49dc8b7ce5f9a1 /MAINTAINERS
parent6cf33858b64449ad6e22cd27ec5734a972b8f39e (diff)
libpayload: arm64: Keep instruction cache enabled at all times
This patch makes libpayload enable the instruction cache as the very first thing, which is similar to how we treat it in coreboot. It also prevents the icache from being disabled again during mmu_disable() as part of the two-stage page table setup in post_sysinfo_scan_mmu_setup(). It replaces the existing mmu_disable() implementation with the assembly version from coreboot which handles certain edge cases better (see CB:27238 for details). The SCTLR flag definitions in libpayload seem to have still been copy&pasted from arm32, so replace with the actual arm64 defintions from coreboot. Change-Id: Ifdbec34f0875ecc69fedcbea5c20e943379a3d2d Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/38908 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Hung-Te Lin <hungte@chromium.org>
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