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cpu/x86/smm: Drop fxsave/fxrstor logic

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Since we now explicitly compile both ramstage and smihandler code
without floating point operations and associated registers we don't need
to save/restore floating point registers.

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I180b9781bf5849111501ae8e9806554a7851c0da
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75317
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
This commit is contained in:
Arthur Heymans 2023-05-17 18:10:47 +02:00 • committed by Martin L Roth
commit 1efca4d570
3 changed files with 15 additions and 74 deletions
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2
src/include/cpu/x86/smm.h
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@ -98,8 +98,6 @@ struct smm_stub_params {
u32 stack_size;
u32 stack_top;
u32 c_handler;
u32 fxsave_area;
u32 fxsave_area_size;
/* The apic_id_to_cpu provides a mapping from APIC id to CPU number.
* The CPU number is indicated by the index into the array by matching
* the default APIC id and value at the index. The stub loader