X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=EdkModulePkg%2FUniversal%2FEbc%2FDxe%2Fx64%2FEbcLowLevel.S;fp=EdkModulePkg%2FUniversal%2FEbc%2FDxe%2Fx64%2FEbcLowLevel.S;h=d9f638643af49b8f37fafab3f006c821308e4456;hp=61322a3264c6d2c0c9d439f56b9b422d75c0709b;hb=73ebf379a4bd48c69befdd8439ac9be952a5814f;hpb=784220c3f79a1c66818ae4dcca2afe7db06a0351

diff --git a/EdkModulePkg/Universal/Ebc/Dxe/x64/EbcLowLevel.S b/EdkModulePkg/Universal/Ebc/Dxe/x64/EbcLowLevel.S
index 61322a3264..d9f638643a 100644
--- a/EdkModulePkg/Universal/Ebc/Dxe/x64/EbcLowLevel.S
+++ b/EdkModulePkg/Universal/Ebc/Dxe/x64/EbcLowLevel.S
@@ -44,6 +44,8 @@
 #
 # Destroys no working registers.
 #****************************************************************************
+.global _CopyMem;
+
 # VOID EbcLLCALLEXNative(UINTN FuncAddr, UINTN NewStackPointer, VOID *FramePtr)
 .global _EbcLLCALLEXNative;
 _EbcLLCALLEXNative:
@@ -56,7 +58,12 @@ _EbcLLCALLEXNative:
       mov    %rcx, %rbx
 
       # Set stack pointer to new value
-      mov    %rdx, %rsp
+      sub    %r8,  %rdx
+      sub    %rsp, %r8
+      mov    %rsp, %rcx
+      sub    %rsp, 0x20
+      call   _CopyMem 
+      add    %rsp, 0x20
 
       # Considering the worst case, load 4 potiential arguments
       # into registers.