diff options
Diffstat (limited to 'EdkCompatibilityPkg/Compatibility/SmmBaseOnSmmBase2Thunk/SmmBaseOnSmmBase2Thunk.c')
| -rw-r--r-- | EdkCompatibilityPkg/Compatibility/SmmBaseOnSmmBase2Thunk/SmmBaseOnSmmBase2Thunk.c | 309 |
1 files changed, 157 insertions, 152 deletions
diff --git a/EdkCompatibilityPkg/Compatibility/SmmBaseOnSmmBase2Thunk/SmmBaseOnSmmBase2Thunk.c b/EdkCompatibilityPkg/Compatibility/SmmBaseOnSmmBase2Thunk/SmmBaseOnSmmBase2Thunk.c index 085ad0ca8e..942167067d 100644 --- a/EdkCompatibilityPkg/Compatibility/SmmBaseOnSmmBase2Thunk/SmmBaseOnSmmBase2Thunk.c +++ b/EdkCompatibilityPkg/Compatibility/SmmBaseOnSmmBase2Thunk/SmmBaseOnSmmBase2Thunk.c @@ -19,9 +19,96 @@ **/
-#include "SmmBaseOnSmmBase2Thunk.h"
+#include <PiDxe.h>
+#include <FrameworkSmm.h>
-EFI_SMM_BASE_PROTOCOL gSmmBase = {
+#include <Protocol/SmmBase2.h>
+#include <Protocol/SmmCommunication.h>
+#include <Protocol/SmmBaseHelperReady.h>
+
+#include <Guid/SmmBaseThunkCommunication.h>
+#include <Guid/EventGroup.h>
+
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiLib.h>
+#include <Library/UefiRuntimeLib.h>
+
+//
+// SMM Base Protocol function ptoyotypes
+//
+EFI_STATUS
+EFIAPI
+SmmBaseRegister (
+ IN EFI_SMM_BASE_PROTOCOL *This,
+ IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
+ IN VOID *SourceBuffer,
+ IN UINTN SourceSize,
+ OUT EFI_HANDLE *ImageHandle,
+ IN BOOLEAN LegacyIA32Binary
+ );
+
+EFI_STATUS
+EFIAPI
+SmmBaseUnregister (
+ IN EFI_SMM_BASE_PROTOCOL *This,
+ IN EFI_HANDLE ImageHandle
+ );
+
+EFI_STATUS
+EFIAPI
+SmmBaseCommunicate (
+ IN EFI_SMM_BASE_PROTOCOL *This,
+ IN EFI_HANDLE ImageHandle,
+ IN OUT VOID *CommunicationBuffer,
+ IN OUT UINTN *BufferSize
+ );
+
+EFI_STATUS
+EFIAPI
+SmmBaseRegisterCallback (
+ IN EFI_SMM_BASE_PROTOCOL *This,
+ IN EFI_HANDLE SmmImageHandle,
+ IN EFI_SMM_CALLBACK_ENTRY_POINT CallbackAddress,
+ IN BOOLEAN MakeLast,
+ IN BOOLEAN FloatingPointSave
+ );
+
+EFI_STATUS
+EFIAPI
+SmmBaseInSmm (
+ IN EFI_SMM_BASE_PROTOCOL *This,
+ OUT BOOLEAN *InSmm
+ );
+
+EFI_STATUS
+EFIAPI
+SmmBaseSmmAllocatePool (
+ IN EFI_SMM_BASE_PROTOCOL *This,
+ IN EFI_MEMORY_TYPE PoolType,
+ IN UINTN Size,
+ OUT VOID **Buffer
+ );
+
+EFI_STATUS
+EFIAPI
+SmmBaseSmmFreePool (
+ IN EFI_SMM_BASE_PROTOCOL *This,
+ IN VOID *Buffer
+ );
+
+EFI_STATUS
+EFIAPI
+SmmBaseGetSmstLocation (
+ IN EFI_SMM_BASE_PROTOCOL *This,
+ OUT EFI_SMM_SYSTEM_TABLE **Smst
+ );
+
+///
+/// SMM Base Protocol instance
+///
+EFI_SMM_BASE_PROTOCOL mSmmBase = {
SmmBaseRegister,
SmmBaseUnregister,
SmmBaseCommunicate,
@@ -32,12 +119,12 @@ EFI_SMM_BASE_PROTOCOL gSmmBase = { SmmBaseGetSmstLocation
};
-SMMBASETHUNK_COMMUNICATION_DATA gCommunicationData = {
+SMMBASETHUNK_COMMUNICATION_DATA mCommunicationData = {
EFI_SMM_BASE_THUNK_COMMUNICATION_GUID,
sizeof (SMMBASE_FUNCTION_DATA)
};
-EFI_HANDLE mImageHandle;
+EFI_HANDLE mSmmBaseHandle = NULL;
EFI_SMM_BASE2_PROTOCOL *mSmmBase2 = NULL;
EFI_SMM_COMMUNICATION_PROTOCOL *mSmmCommunication = NULL;
EFI_SMM_BASE_HELPER_READY_PROTOCOL *mSmmBaseHelperReady = NULL;
@@ -71,7 +158,7 @@ SmmBaseHelperService ( {
UINTN DataSize;
- gCommunicationData.FunctionData.Status = EFI_UNSUPPORTED;
+ mCommunicationData.FunctionData.Status = EFI_UNSUPPORTED;
if (IsInSmm()) {
///
@@ -86,7 +173,7 @@ SmmBaseHelperService ( mSmmBaseHelperReady->ServiceEntry (
NULL,
NULL,
- &gCommunicationData.FunctionData,
+ &mCommunicationData.FunctionData,
&DataSize
);
} else {
@@ -98,10 +185,10 @@ SmmBaseHelperService ( return;
}
- DataSize = (UINTN)(sizeof (gCommunicationData));
+ DataSize = (UINTN)(sizeof (mCommunicationData));
mSmmCommunication->Communicate (
mSmmCommunication,
- &gCommunicationData,
+ &mCommunicationData,
&DataSize
);
}
@@ -143,15 +230,15 @@ SmmBaseRegister ( return EFI_UNSUPPORTED;
}
- gCommunicationData.FunctionData.Function = SMMBASE_REGISTER;
- gCommunicationData.FunctionData.Args.Register.FilePath = FilePath;
- gCommunicationData.FunctionData.Args.Register.SourceBuffer = SourceBuffer;
- gCommunicationData.FunctionData.Args.Register.SourceSize = SourceSize;
- gCommunicationData.FunctionData.Args.Register.ImageHandle = ImageHandle;
- gCommunicationData.FunctionData.Args.Register.LegacyIA32Binary = LegacyIA32Binary;
+ mCommunicationData.FunctionData.Function = SMMBASE_REGISTER;
+ mCommunicationData.FunctionData.Args.Register.FilePath = FilePath;
+ mCommunicationData.FunctionData.Args.Register.SourceBuffer = SourceBuffer;
+ mCommunicationData.FunctionData.Args.Register.SourceSize = SourceSize;
+ mCommunicationData.FunctionData.Args.Register.ImageHandle = ImageHandle;
+ mCommunicationData.FunctionData.Args.Register.LegacyIA32Binary = LegacyIA32Binary;
SmmBaseHelperService ();
- return gCommunicationData.FunctionData.Status;
+ return mCommunicationData.FunctionData.Status;
}
/**
@@ -172,11 +259,11 @@ SmmBaseUnregister ( IN EFI_HANDLE ImageHandle
)
{
- gCommunicationData.FunctionData.Function = SMMBASE_UNREGISTER;
- gCommunicationData.FunctionData.Args.UnRegister.ImageHandle = ImageHandle;
+ mCommunicationData.FunctionData.Function = SMMBASE_UNREGISTER;
+ mCommunicationData.FunctionData.Args.UnRegister.ImageHandle = ImageHandle;
SmmBaseHelperService ();
- return gCommunicationData.FunctionData.Status;
+ return mCommunicationData.FunctionData.Status;
}
/**
@@ -249,14 +336,14 @@ SmmBaseRegisterCallback ( return EFI_UNSUPPORTED;
}
- gCommunicationData.FunctionData.Function = SMMBASE_REGISTER_CALLBACK;
- gCommunicationData.FunctionData.Args.RegisterCallback.SmmImageHandle = SmmImageHandle;
- gCommunicationData.FunctionData.Args.RegisterCallback.CallbackAddress = CallbackAddress;
- gCommunicationData.FunctionData.Args.RegisterCallback.MakeLast = MakeLast;
- gCommunicationData.FunctionData.Args.RegisterCallback.FloatingPointSave = FloatingPointSave;
+ mCommunicationData.FunctionData.Function = SMMBASE_REGISTER_CALLBACK;
+ mCommunicationData.FunctionData.Args.RegisterCallback.SmmImageHandle = SmmImageHandle;
+ mCommunicationData.FunctionData.Args.RegisterCallback.CallbackAddress = CallbackAddress;
+ mCommunicationData.FunctionData.Args.RegisterCallback.MakeLast = MakeLast;
+ mCommunicationData.FunctionData.Args.RegisterCallback.FloatingPointSave = FloatingPointSave;
SmmBaseHelperService();
- return gCommunicationData.FunctionData.Status;
+ return mCommunicationData.FunctionData.Status;
}
/**
@@ -309,13 +396,13 @@ SmmBaseSmmAllocatePool ( OUT VOID **Buffer
)
{
- gCommunicationData.FunctionData.Function = SMMBASE_ALLOCATE_POOL;
- gCommunicationData.FunctionData.Args.AllocatePool.PoolType = PoolType;
- gCommunicationData.FunctionData.Args.AllocatePool.Size = Size;
- gCommunicationData.FunctionData.Args.AllocatePool.Buffer = Buffer;
+ mCommunicationData.FunctionData.Function = SMMBASE_ALLOCATE_POOL;
+ mCommunicationData.FunctionData.Args.AllocatePool.PoolType = PoolType;
+ mCommunicationData.FunctionData.Args.AllocatePool.Size = Size;
+ mCommunicationData.FunctionData.Args.AllocatePool.Buffer = Buffer;
SmmBaseHelperService ();
- return gCommunicationData.FunctionData.Status;
+ return mCommunicationData.FunctionData.Status;
}
/**
@@ -337,11 +424,11 @@ SmmBaseSmmFreePool ( IN VOID *Buffer
)
{
- gCommunicationData.FunctionData.Function = SMMBASE_FREE_POOL;
- gCommunicationData.FunctionData.Args.FreePool.Buffer = Buffer;
+ mCommunicationData.FunctionData.Function = SMMBASE_FREE_POOL;
+ mCommunicationData.FunctionData.Args.FreePool.Buffer = Buffer;
SmmBaseHelperService ();
- return gCommunicationData.FunctionData.Status;
+ return mCommunicationData.FunctionData.Status;
}
/**
@@ -382,81 +469,6 @@ SmmBaseGetSmstLocation ( }
/**
- SMM Base Protocol notification event handler.
-
- @param[in] Event Event whose notification function is being invoked.
- @param[in] Context Pointer to the notification function's context.
-**/
-VOID
-EFIAPI
-SmmBaseProtocolNotification (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- EFI_STATUS Status;
-
- ///
- /// Assume only one instance of SMM Base2 Protocol in the system
- /// Locate SMM Base2 Protocol
- ///
- Status = gBS->LocateProtocol (&gEfiSmmBase2ProtocolGuid, NULL, (VOID **) &mSmmBase2);
- if (!EFI_ERROR (Status)) {
- ///
- /// Publish Framework SMM BASE Protocol immediately after SMM Base2 Protocol is installed to
- /// make SMM Base Protocol.InSmm() available as early as possible.
- ///
- Status = gBS->InstallProtocolInterface (
- &mImageHandle,
- &gEfiSmmBaseProtocolGuid,
- EFI_NATIVE_INTERFACE,
- &gSmmBase
- );
- ASSERT_EFI_ERROR (Status);
- }
-}
-
-/**
- SMM Communication Protocol notification event handler.
-
- @param[in] Event Event whose notification function is being invoked.
- @param[in] Context Pointer to the notification function's context.
-**/
-VOID
-EFIAPI
-SmmCommunicationProtocolNotification (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- ///
- /// Assume only one instance of SMM Communication Protocol in the system
- /// Locate SMM Communication Protocol
- ///
- gBS->LocateProtocol (&gEfiSmmCommunicationProtocolGuid, NULL, (VOID **) &mSmmCommunication);
-}
-
-/**
- SMM Base Helper Ready Protocol notification event handler.
-
- @param[in] Event Event whose notification function is being invoked.
- @param[in] Context Pointer to the notification function's context.
-**/
-VOID
-EFIAPI
-SmmBaseHelperReadyProtocolNotification (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- ///
- /// Assume only one instance of SMM Base Helper Ready Protocol in the system
- /// Locate SMM Base Helper Ready Protocol
- ///
- gBS->LocateProtocol (&gEfiSmmBaseHelperReadyProtocolGuid, NULL, (VOID **) &mSmmBaseHelperReady);
-}
-
-/**
Notification function of EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE
This is a notification function registered on EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event.
@@ -492,60 +504,53 @@ SmmBaseThunkMain ( IN EFI_SYSTEM_TABLE *SystemTable
)
{
- VOID *Registration;
- EFI_EVENT VirtualAddressChangeEvent;
- EFI_STATUS Status;
+ EFI_STATUS Status;
+ EFI_EVENT Event;
- mImageHandle = ImageHandle;
-
- ///
- /// Install notifications for required protocols
- ///
- /// Note we use protocol notifications here so as that this thunk driver can be
- /// loaded before PI SMM IPL driver. Framework SMM BASE Protocol will be published
- /// immediately after SMM Base2 Protocol is installed to make SMM Base Protocol.InSmm()
- /// available as early as possible because some Framework code's behavior depends on
- /// correct detection of SMM mode via SMM Base Protocol.InSmm().
- ///
- /// Also SMM Base Helper driver is expected to be dispatched
- /// in the earliest round of SMM driver dispatch just after SMM IPL driver loads SMM Foundation.
- /// So the full functionality of SMM Base Protocol is ready immediately after SMM IPL driver is
- /// loaded. Since that point Framework SMM driver can be succesufully supported.
- ///
- EfiCreateProtocolNotifyEvent (
- &gEfiSmmBase2ProtocolGuid,
- TPL_CALLBACK,
- SmmBaseProtocolNotification,
- NULL,
- &Registration
- );
-
- EfiCreateProtocolNotifyEvent (
- &gEfiSmmCommunicationProtocolGuid,
- TPL_CALLBACK,
- SmmCommunicationProtocolNotification,
- NULL,
- &Registration
- );
-
- EfiCreateProtocolNotifyEvent (
- &gEfiSmmBaseHelperReadyProtocolGuid,
- TPL_CALLBACK,
- SmmBaseHelperReadyProtocolNotification,
- NULL,
- &Registration
- );
+ //
+ // Assume only one instance of SMM Base2 Protocol in the system
+ // Locate SMM Base2 Protocol
+ //
+ Status = gBS->LocateProtocol (&gEfiSmmBase2ProtocolGuid, NULL, (VOID **) &mSmmBase2);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Assume only one instance of SMM Communication Protocol in the system
+ // Locate SMM Communication Protocol
+ //
+ gBS->LocateProtocol (&gEfiSmmCommunicationProtocolGuid, NULL, (VOID **) &mSmmCommunication);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Assume only one instance of SMM Base Helper Ready Protocol in the system
+ // Locate SMM Base Helper Ready Protocol
+ //
+ Status = gBS->LocateProtocol (&gEfiSmmBaseHelperReadyProtocolGuid, NULL, (VOID **) &mSmmBaseHelperReady);
+ ASSERT_EFI_ERROR (Status);
+ //
+ // Create event on SetVirtualAddressMap() to convert mSmmCommunication from a physical address to a virtual address
+ //
Status = gBS->CreateEventEx (
EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
SmmBaseAddressChangeEvent,
NULL,
&gEfiEventVirtualAddressChangeGuid,
- &VirtualAddressChangeEvent
+ &Event
);
ASSERT_EFI_ERROR (Status);
-
+
+ //
+ // Publish Framework SMM BASE Protocol immediately after SMM Base2 Protocol is installed to
+ // make SMM Base Protocol.InSmm() available as early as possible.
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &mSmmBaseHandle,
+ &gEfiSmmBaseProtocolGuid, &mSmmBase,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
return EFI_SUCCESS;
}
-
|