diff options
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Ebc/RuntimeLib.c')
| -rw-r--r-- | EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Ebc/RuntimeLib.c | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Ebc/RuntimeLib.c b/EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Ebc/RuntimeLib.c new file mode 100644 index 0000000000..0ec1a0869f --- /dev/null +++ b/EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/Ebc/RuntimeLib.c @@ -0,0 +1,316 @@ +/*++
+
+Copyright (c) 2007, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module Name:
+
+ RuntimeLib.c
+
+Abstract:
+
+ Light weight lib to support Tiano drivers.
+
+--*/
+
+#include "Tiano.h"
+#include "EfiRuntimeLib.h"
+#include EFI_GUID_DEFINITION (StatusCodeCallerId)
+#include EFI_ARCH_PROTOCOL_DEFINITION (StatusCode)
+
+//
+// Driver Lib Module Globals
+//
+static EFI_RUNTIME_SERVICES *mRT;
+static EFI_EVENT mRuntimeNotifyEvent = NULL;
+static BOOLEAN mRuntimeLibInitialized = FALSE;
+static BOOLEAN mEfiGoneVirtual = FALSE;
+
+//
+// Runtime Global, but you should use the Lib functions
+//
+BOOLEAN mEfiAtRuntime = FALSE;
+
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+static EFI_STATUS_CODE_PROTOCOL *gStatusCode = NULL;
+#endif
+
+EFI_STATUS
+EfiConvertPointer (
+ IN UINTN DebugDisposition,
+ IN OUT VOID *Address
+ )
+/*++
+
+Routine Description:
+
+ Determines the new virtual address that is to be used on subsequent memory accesses.
+
+Arguments:
+
+ DebugDisposition - Supplies type information for the pointer being converted.
+ Address - A pointer to a pointer that is to be fixed to be the value needed
+ for the new virtual address mappings being applied.
+
+Returns:
+
+ Status code
+
+--*/
+{
+ return mRT->ConvertPointer (DebugDisposition, Address);
+}
+
+VOID
+EFIAPI
+RuntimeDriverExitBootServices (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+/*++
+
+Routine Description:
+
+ Set AtRuntime flag as TRUE after ExitBootServices
+
+Arguments:
+
+ Event - The Event that is being processed
+
+ Context - Event Context
+
+Returns:
+
+ None
+
+--*/
+{
+ mEfiAtRuntime = TRUE;
+}
+
+EFI_STATUS
+EfiInitializeRuntimeDriverLib (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable,
+ IN EFI_EVENT_NOTIFY GoVirtualChildEvent
+ )
+/*++
+
+Routine Description:
+
+ Intialize runtime Driver Lib if it has not yet been initialized.
+
+Arguments:
+
+ ImageHandle - The firmware allocated handle for the EFI image.
+
+ SystemTable - A pointer to the EFI System Table.
+
+ GoVirtualChildEvent - Caller can register a virtual notification event.
+
+Returns:
+
+ EFI_STATUS always returns EFI_SUCCESS except EFI_ALREADY_STARTED if already started.
+
+--*/
+{
+ EFI_STATUS Status;
+
+ if (mRuntimeLibInitialized) {
+ return EFI_ALREADY_STARTED;
+ }
+
+ mRuntimeLibInitialized = TRUE;
+
+ gST = SystemTable;
+ ASSERT (gST != NULL);
+
+ gBS = SystemTable->BootServices;
+ ASSERT (gBS != NULL);
+ mRT = SystemTable->RuntimeServices;
+ ASSERT (mRT != NULL);
+
+ Status = EfiLibGetSystemConfigurationTable (&gEfiDxeServicesTableGuid, (VOID **) &gDS);
+ ASSERT_EFI_ERROR (Status);
+
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+ Status = gBS->LocateProtocol (&gEfiStatusCodeRuntimeProtocolGuid, NULL, (VOID **)&gStatusCode);
+ if (EFI_ERROR (Status)) {
+ gStatusCode = NULL;
+ }
+#endif
+
+ //
+ // Register our ExitBootServices () notify function
+ //
+ Status = gBS->CreateEvent (
+ EFI_EVENT_SIGNAL_EXIT_BOOT_SERVICES,
+ EFI_TPL_NOTIFY,
+ RuntimeDriverExitBootServices,
+ NULL,
+ &mRuntimeNotifyEvent
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // To NOT register SetVirtualAddressMap () notify function,
+ // because we do not know how to trigger it without our EBC driver.
+ //
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EfiShutdownRuntimeDriverLib (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ This routine will free some resources which have been allocated in
+ EfiInitializeRuntimeDriverLib(). If a runtime driver exits with an error,
+ it must call this routine to free the allocated resource before the exiting.
+
+Arguments:
+
+ None
+
+Returns:
+
+ EFI_SUCCESS - Shotdown the Runtime Driver Lib successfully
+ EFI_UNSUPPORTED - Runtime Driver lib was not initialized at all
+
+--*/
+{
+ EFI_STATUS Status;
+
+ if (!mRuntimeLibInitialized) {
+ //
+ // You must call EfiInitializeRuntimeDriverLib() first
+ //
+ return EFI_UNSUPPORTED;
+ }
+
+ mRuntimeLibInitialized = FALSE;
+
+ //
+ // Close our ExitBootServices () notify function
+ //
+ if (mRuntimeNotifyEvent != NULL) {
+ Status = gBS->CloseEvent (mRuntimeNotifyEvent);
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ return EFI_SUCCESS;
+}
+
+BOOLEAN
+EfiAtRuntime (
+ VOID
+ )
+/*++
+
+Routine Description:
+ Return TRUE if ExitBootServices () has been called
+
+Arguments:
+ NONE
+
+Returns:
+ TRUE - If ExitBootServices () has been called
+
+--*/
+{
+ return mEfiAtRuntime;
+}
+
+BOOLEAN
+EfiGoneVirtual (
+ VOID
+ )
+/*++
+
+Routine Description:
+ Return TRUE if SetVirtualAddressMap () has been called
+
+Arguments:
+ NONE
+
+Returns:
+ TRUE - If SetVirtualAddressMap () has been called
+
+--*/
+{
+ return mEfiGoneVirtual;
+}
+
+EFI_STATUS
+EfiReportStatusCode (
+ IN EFI_STATUS_CODE_TYPE CodeType,
+ IN EFI_STATUS_CODE_VALUE Value,
+ IN UINT32 Instance,
+ IN EFI_GUID * CallerId,
+ IN EFI_STATUS_CODE_DATA * Data OPTIONAL
+ )
+/*++
+
+Routine Description:
+
+ Status Code reporter
+
+Arguments:
+
+ CodeType - Type of Status Code.
+
+ Value - Value to output for Status Code.
+
+ Instance - Instance Number of this status code.
+
+ CallerId - ID of the caller of this status code.
+
+ Data - Optional data associated with this status code.
+
+Returns:
+
+ Status code
+
+--*/
+{
+ return EFI_UNSUPPORTED;
+}
+//
+// Cache Flush Routine.
+//
+EFI_STATUS
+EfiCpuFlushCache (
+ IN EFI_PHYSICAL_ADDRESS Start,
+ IN UINT64 Length
+ )
+/*++
+
+Routine Description:
+
+ Flush cache with specified range.
+
+Arguments:
+
+ Start - Start address
+ Length - Length in bytes
+
+Returns:
+
+ Status code
+
+ EFI_SUCCESS - success
+
+--*/
+{
+ return EFI_SUCCESS;
+}
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