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cpu/x86/smm/smm_stub: Fix GDT for x86_64 

The previous code was crashing when jumping back to ramstage, now it
works. The GDT is now using the same values as the other ones in
coreboot.

Change-Id: Id00467d9d8a4138ddea73adbda4b39f12def583f
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48214
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Patrick Rudolph 2020-12-01 16:14:31 +01:00 committed by Patrick Rudolph
parent 89bbe146cb
commit 9e7497e64f
1 changed files with 1 additions and 1 deletions
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src/cpu/x86/smm/smm_stub.S
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@ -91,7 +91,7 @@ smm_relocate_gdt:
/* gdt selector 0x18, flat code segment (64-bit) */ /* gdt selector 0x18, flat code segment (64-bit) */
.word 0xffff, 0x0000 .word 0xffff, 0x0000
.byte 0x00, 0x9b, 0xcf, 0x00 .byte 0x00, 0x9b, 0xaf, 0x00
/* gdt selector 0x20 tss segment */ /* gdt selector 0x20 tss segment */
.word 0xffff, 0x0000 .word 0xffff, 0x0000