From 5a76206190c2c532af851e1066d606d263b4eb93 Mon Sep 17 00:00:00 2001 From: klu2 Date: Fri, 5 Jun 2009 13:31:58 +0000 Subject: [PATCH] Need use 32-bit register to hold 32-bit stack address. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8480 6f19259b-4bc3-4df7-8a09-765794883524 --- MdePkg/Library/BaseLib/X64/DisablePaging64.asm | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/MdePkg/Library/BaseLib/X64/DisablePaging64.asm b/MdePkg/Library/BaseLib/X64/DisablePaging64.asm index 502a54c4e5..a2995daa33 100644 --- a/MdePkg/Library/BaseLib/X64/DisablePaging64.asm +++ b/MdePkg/Library/BaseLib/X64/DisablePaging64.asm @@ -37,9 +37,9 @@ InternalX86DisablePaging64 PROC cli lea rsi, @F ; rsi <- The start address of transition code - mov rdi, [rsp + 28h] ; rdi <- New stack - sub rdi, 64 ; rdi <- use 64 byte in stack to hold transition code - mov r10, rdi ; r10 <- The start address of transicition code below 4G + mov edi, [rsp + 28h] ; rdi <- New stack + sub edi, 64 ; rdi <- use 64 byte in stack to hold transition code + mov r10d, edi ; r10 <- The start address of transicition code below 4G lea rax, mTransitionEnd ; rax <- end of transition code sub rax, rsi ; rax <- The size of transition piece code push rcx ; save rcx to stack