From 9e7497e64fabc9a9f7ab1349c44e917d822dc4fe Mon Sep 17 00:00:00 2001 From: Patrick Rudolph Date: Tue, 1 Dec 2020 16:14:31 +0100 Subject: [PATCH] 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 Reviewed-on: https://review.coreboot.org/c/coreboot/+/48214 Reviewed-by: Arthur Heymans Tested-by: build bot (Jenkins) --- src/cpu/x86/smm/smm_stub.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/cpu/x86/smm/smm_stub.S b/src/cpu/x86/smm/smm_stub.S index 11ea9a71a8..56e2504892 100644 --- a/src/cpu/x86/smm/smm_stub.S +++ b/src/cpu/x86/smm/smm_stub.S @@ -91,7 +91,7 @@ smm_relocate_gdt: /* gdt selector 0x18, flat code segment (64-bit) */ .word 0xffff, 0x0000 - .byte 0x00, 0x9b, 0xcf, 0x00 + .byte 0x00, 0x9b, 0xaf, 0x00 /* gdt selector 0x20 tss segment */ .word 0xffff, 0x0000