diff options
Diffstat (limited to 'MdeModulePkg/Core/PiSmmCore/Dispatcher.c')
| -rw-r--r-- | MdeModulePkg/Core/PiSmmCore/Dispatcher.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/MdeModulePkg/Core/PiSmmCore/Dispatcher.c b/MdeModulePkg/Core/PiSmmCore/Dispatcher.c index cbaf54906..1f85ae8de 100644 --- a/MdeModulePkg/Core/PiSmmCore/Dispatcher.c +++ b/MdeModulePkg/Core/PiSmmCore/Dispatcher.c @@ -103,7 +103,8 @@ BOOLEAN gRequestDispatch = FALSE; //
EFI_FV_FILETYPE mSmmFileTypes[] = {
EFI_FV_FILETYPE_SMM,
- EFI_FV_FILETYPE_COMBINED_SMM_DXE
+ EFI_FV_FILETYPE_COMBINED_SMM_DXE,
+ EFI_FV_FILETYPE_SMM_CORE,
//
// Note: DXE core will process the FV image file, so skip it in SMM core
// EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE
@@ -1283,6 +1284,7 @@ SmmDriverDispatchHandler ( //
// Discover Drivers in FV and add them to the Discovered Driver List.
// Process EFI_FV_FILETYPE_SMM type and then EFI_FV_FILETYPE_COMBINED_SMM_DXE
+ // EFI_FV_FILETYPE_SMM_CORE is processed to produce a Loaded Image protocol for the core
//
for (SmmTypeIndex = 0; SmmTypeIndex < sizeof (mSmmFileTypes)/sizeof (EFI_FV_FILETYPE); SmmTypeIndex++) {
//
@@ -1300,7 +1302,34 @@ SmmDriverDispatchHandler ( &Size
);
if (!EFI_ERROR (GetNextFileStatus)) {
- SmmAddToDriverList (Fv, FvHandle, &NameGuid);
+ if (Type == EFI_FV_FILETYPE_SMM_CORE) {
+ //
+ // If this is the SMM core fill in it's DevicePath & DeviceHandle
+ //
+ if (mSmmCoreLoadedImage->FilePath == NULL) {
+ //
+ // Maybe one special FV contains only one SMM_CORE module, so its device path must
+ // be initialized completely.
+ //
+ EfiInitializeFwVolDevicepathNode (&mFvDevicePath.File, &NameGuid);
+ SetDevicePathEndNode (&mFvDevicePath.End);
+
+ //
+ // Make an EfiBootServicesData buffer copy of FilePath
+ //
+ Status = gBS->AllocatePool (
+ EfiBootServicesData,
+ GetDevicePathSize ((EFI_DEVICE_PATH_PROTOCOL *)&mFvDevicePath),
+ (VOID **)&mSmmCoreLoadedImage->FilePath
+ );
+ ASSERT_EFI_ERROR (Status);
+ CopyMem (mSmmCoreLoadedImage->FilePath, &mFvDevicePath, GetDevicePathSize ((EFI_DEVICE_PATH_PROTOCOL *)&mFvDevicePath));
+
+ mSmmCoreLoadedImage->DeviceHandle = FvHandle;
+ }
+ } else {
+ SmmAddToDriverList (Fv, FvHandle, &NameGuid);
+ }
}
} while (!EFI_ERROR (GetNextFileStatus));
}
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