diff options
Diffstat (limited to 'EdkModulePkg/Universal/Ebc/Dxe/x64/EbcLowLevel.asm')
| -rw-r--r-- | EdkModulePkg/Universal/Ebc/Dxe/x64/EbcLowLevel.asm | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/EdkModulePkg/Universal/Ebc/Dxe/x64/EbcLowLevel.asm b/EdkModulePkg/Universal/Ebc/Dxe/x64/EbcLowLevel.asm index 59394621ba..7b59e93aa1 100644 --- a/EdkModulePkg/Universal/Ebc/Dxe/x64/EbcLowLevel.asm +++ b/EdkModulePkg/Universal/Ebc/Dxe/x64/EbcLowLevel.asm @@ -49,7 +49,11 @@ text SEGMENT ; Destroys no working registers.
;****************************************************************************
; VOID EbcLLCALLEXNative(UINTN FuncAddr, UINTN NewStackPointer, VOID *FramePtr)
-EbcLLCALLEXNative PROC
+
+CopyMem PROTO Destination:PTR DWORD, Source:PTR DWORD, Count:DWORD
+
+
+EbcLLCALLEXNative PROC NEAR PUBLIC
push rbp
push rbx
mov rbp, rsp
@@ -59,7 +63,12 @@ EbcLLCALLEXNative PROC mov rbx, rcx
; Set stack pointer to new value
- mov rsp, rdx
+ sub r8, rdx
+ sub rsp, r8
+ mov rcx, rsp
+ sub rsp, 20h
+ call CopyMem
+ add rsp, 20h
; Considering the worst case, load 4 potiential arguments
; into registers.
@@ -92,7 +101,7 @@ EbcLLCALLEXNative ENDP ; Returns:
; The contents of the register in which the entry point is passed.
;
-EbcLLGetEbcEntryPoint PROC
+EbcLLGetEbcEntryPoint PROC NEAR PUBLIC
ret
EbcLLGetEbcEntryPoint ENDP
@@ -115,7 +124,7 @@ EbcLLGetEbcEntryPoint ENDP ;--*/
; UINTN EbcLLGetStackPointer()
-EbcLLGetStackPointer PROC
+EbcLLGetStackPointer PROC NEAR PUBLIC
mov rax, rsp ; get current stack pointer
; Stack adjusted by this much when we were called,
; For this function, it's 4.
@@ -136,7 +145,7 @@ EbcLLGetStackPointer ENDP ; Returns:
; The unmodified value returned by the native code.
;
-EbcLLGetReturnValue PROC
+EbcLLGetReturnValue PROC NEAR PUBLIC
ret
EbcLLGetReturnValue ENDP
|