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Diffstat (limited to 'UefiCpuPkg/PiSmmCpuDxeSmm/X64')
-rw-r--r--UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiException.S4
-rw-r--r--UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiException.asm4
2 files changed, 4 insertions, 4 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiException.S b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiException.S
index 6dbcaa5b67..2ae6f2c32f 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiException.S
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiException.S
@@ -79,11 +79,11 @@ CodeSeg64:
.byte 0 # BaseHigh
# TSS Segment for X64 specially
TssSeg:
- .word TSS_DESC_SIZE # LimitLow
+ .word TSS_DESC_SIZE - 1 # LimitLow
.word 0 # BaseLow
.byte 0 # BaseMid
.byte 0x89
- .byte 0xDB # LimitHigh
+ .byte 0x00 # LimitHigh
.byte 0 # BaseHigh
.long 0 # BaseUpper
.long 0 # Reserved
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiException.asm b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiException.asm
index 3d841c6546..ab716450b7 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiException.asm
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmiException.asm
@@ -78,11 +78,11 @@ CodeSeg64 LABEL QWORD
DB 0 ; BaseHigh
; TSS Segment for X64 specially
TssSeg LABEL QWORD
- DW TSS_DESC_SIZE ; LimitLow
+ DW TSS_DESC_SIZE - 1 ; LimitLow
DW 0 ; BaseLow
DB 0 ; BaseMid
DB 89h
- DB 080h ; LimitHigh
+ DB 00h ; LimitHigh
DB 0 ; BaseHigh
DD 0 ; BaseUpper
DD 0 ; Reserved