Fix bug that home addresses for register parameters must be allocated for calling C function from X64 assembly code to follow x64 calling convention.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9303 6f19259b-4bc3-4df7-8a09-765794883524
2009-09-22 09:19:59 +00:00
parent 60bd4ccd45
commit 82dae5efb3
3 changed files with 4 additions and 0 deletions
--- a/OvmfPkg/Sec/X64/SecEntry.asm
+++ b/OvmfPkg/Sec/X64/SecEntry.asm
@@ -54,6 +54,7 @@ _ModuleEntryPoint PROC PUBLIC
    mov     rdx, rsi
    mov     r8, rdi
    mov     r9, rsp
+    sub     rsp, 20h
    call    SecCoreStartupWithStack

 _ModuleEntryPoint ENDP