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Update SmmBase Communicate Thunk behaivor to be compatible with Framework implemenation. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10271 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
rsun3 2010-03-18 02:01:32 +00:00
parent 1d5cbb48c3
commit 18e7892763
1 changed files with 8 additions and 11 deletions
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19
EdkCompatibilityPkg/Compatibility/SmmBaseHelper/SmmBaseHelper.c
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@ -42,6 +42,8 @@ typedef struct {
EFI_HANDLE DispatchHandle;
EFI_HANDLE SmmImageHandle;
EFI_SMM_CALLBACK_ENTRY_POINT CallbackAddress;
VOID *CommunicationBuffer;
UINTN *SourceSize;
} CALLBACK_INFO;
typedef struct {
@ -410,8 +412,8 @@ CallbackThunk (
///
Status = (CallbackInfo->CallbackAddress) (
CallbackInfo->SmmImageHandle,
CommBuffer,
CommBufferSize
CallbackInfo->CommunicationBuffer,
CallbackInfo->SourceSize
);
///
/// Save CPU Save States in case any of them was modified
@ -466,7 +468,7 @@ RegisterCallback (
///
/// Allocate buffer for callback thunk information
///
Buffer = (CALLBACK_INFO *)AllocatePool (sizeof (CALLBACK_INFO));
Buffer = (CALLBACK_INFO *)AllocateZeroPool (sizeof (CALLBACK_INFO));
if (Buffer == NULL) {
FunctionData->Status = EFI_OUT_OF_RESOURCES;
return;
@ -552,14 +554,9 @@ HelperCommunicate (
CallbackInfo = (CALLBACK_INFO *)Node;
if (FunctionData->Args.Communicate.ImageHandle == CallbackInfo->SmmImageHandle) {
///
/// Thunk into original Framwork SMI handler
///
(CallbackInfo->CallbackAddress) (
CallbackInfo->SmmImageHandle,
FunctionData->Args.Communicate.CommunicationBuffer,
FunctionData->Args.Communicate.SourceSize
);
CallbackInfo->CommunicationBuffer = FunctionData->Args.Communicate.CommunicationBuffer;
CallbackInfo->SourceSize = FunctionData->Args.Communicate.SourceSize;
///
/// The message was successfully posted.
///