diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/X64/DisablePaging64.asm')
-rw-r--r-- | MdePkg/Library/BaseLib/X64/DisablePaging64.asm | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/MdePkg/Library/BaseLib/X64/DisablePaging64.asm b/MdePkg/Library/BaseLib/X64/DisablePaging64.asm index 5f556a4ca6..4897028054 100644 --- a/MdePkg/Library/BaseLib/X64/DisablePaging64.asm +++ b/MdePkg/Library/BaseLib/X64/DisablePaging64.asm @@ -41,7 +41,7 @@ InternalX86DisablePaging64 PROC lea rax, mTransitionEnd ; rax <- end of transition code
sub rax, rsi ; rax <- The size of transition piece code
add rax, 4 ; Round RAX up to the next 4 byte boundary
- and rax, 0fffffffch
+ and al, 0fch
sub rdi, rax ; rdi <- Use stack to hold transition code
mov r10d, edi ; r10 <- The start address of transicition code below 4G
push rcx ; save rcx to stack
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