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authorAndrey Petrov <andrey.petrov@intel.com>2016-11-30 17:58:38 -0800
committerAaron Durbin <adurbin@chromium.org>2016-12-02 16:39:55 +0100
commit89e39b5c55cd7612c70cb25d2b2000965cc25539 (patch)
tree86dffb03b8280f1eb34ea66a2bee4f041dc00ad2 /gnat.adc
parent3b637531c91d0cb290dcff26584274f41c06ec85 (diff)
soc/intel/apollolake: Drop privilege level to IA_UNTRUSTED
As per guidelines CPU security level should be dropped before OS start, so that certain MSRs are locked out. Drop privilege levels on all logical CPUs. BUG=chrome-os-partner:60454 TEST=iotools rdmsr x 0x120, make sure bit 6 is set, rdmsr x 0x121 results in io error. Change-Id: I67540f6da16f58b822db9160d00b7a5e235188db Signed-off-by: Andrey Petrov <andrey.petrov@intel.com> Reviewed-on: https://review.coreboot.org/17665 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins)
Diffstat (limited to 'gnat.adc')
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