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authorArthur Heymans <arthur@aheymans.xyz>2020-08-29 08:21:49 +0200
committerPatrick Georgi <pgeorgi@google.com>2020-08-31 06:45:35 +0000
commit014c88923aa65916438c15599b473885b98cad0b (patch)
treeace4e3ed10a537625a0139eabb9adbf6e4a3e0a3 /util/ifdtool
parent8fadf5aabfa62e35c6de511a9688cf20d8b94f24 (diff)
arch/x86/exit_car.S: Fix checking clflush support
The BT instruction stores its result in CF and not ZF so use the correct jump instruction. This fixes a hang in postcar on CPUs lacking support for this instruction. This concerns older pre-SSE2 hardware. Change-Id: I704e3c579150fb9b9a292ef0e83050e7bf7cb078 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/44922 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <siro@das-labor.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'util/ifdtool')
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