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author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2018-12-23 07:22:56 +0200 |
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committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2018-12-30 12:28:37 +0000 |
commit | 3ba79b319ef5d47b0d16482a254de7c5c740e415 (patch) | |
tree | e322d7093612ab909c98dd8605b02ea72413ffe4 /src/arch/x86/bootblock_romcc.S | |
parent | a75ab2c46d2f7f14511cfa47a716eb394bdb5415 (diff) | |
download | coreboot-3ba79b319ef5d47b0d16482a254de7c5c740e415.tar.xz |
arch/x86: Prevent romcc bootblock from using MMX registers
Platforms with SSE=y or SSE2=y will invoke romcc with -mcpu=k7.
This implicitly enabled romcc to consume MMX registers, if XMM
set was consumed first.
Explicitly tell romcc not to clobber MMX set.
Change-Id: I37f1d6ea01873036712dfbb32bb1dcd5d769e85d
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/30392
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/arch/x86/bootblock_romcc.S')
0 files changed, 0 insertions, 0 deletions