OVMF: Add library to customize the EMU Variable FVB driver.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9316 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/OvmfPkg/Library/EmuVariableFvbLib/EmuVariableFvbLib.c b/OvmfPkg/Library/EmuVariableFvbLib/EmuVariableFvbLib.c
new file mode 100644 (file)
index 0000000..d16be5a
--- /dev/null
+++ b/OvmfPkg/Library/EmuVariableFvbLib/EmuVariableFvbLib.c
@@ -0,0 +1,50 @@
+/** @file\r
+  OVMF platform customization for EMU Variable FVB driver\r
+\r
+  Copyright (c) 2009, Intel Corporation\r
+  All rights reserved. This program and the accompanying materials\r
+  are licensed and made available under the terms and conditions of the BSD License\r
+  which accompanies this distribution.  The full text of the license may be found at\r
+  http://opensource.org/licenses/bsd-license.php\r
+\r
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#include "PiDxe.h"\r
+#include <Library/DebugLib.h>\r
+#include <Library/PcdLib.h>\r
+#include <Library/PlatformFvbLib.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+#include <Library/UefiRuntimeLib.h>\r
+\r
+\r
+/**\r
+  This function will be called following a call to the\r
+  EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL Write function.\r
+\r
+  @param[in] This     EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL instance.\r
+  @param[in] Lba      The starting logical block index to written to.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+PlatformFvbDataWritten (\r
+  IN CONST  EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL  *This,\r
+  IN        EFI_LBA                             Lba\r
+  )\r
+{\r
+  STATIC EFI_EVENT EventToSignal = NULL;\r
+\r
+  if (!EfiAtRuntime ()) {\r
+    if (EventToSignal == NULL) {\r
+      EventToSignal = (EFI_EVENT)(UINTN) PcdGet64 (PcdEmuVariableEvent);\r
+    }\r
+    if (EventToSignal != NULL) {\r
+      gBS->SignalEvent (EventToSignal);\r
+    }\r
+  }\r
+}\r
+\r
+\r

diff --git a/OvmfPkg/Library/EmuVariableFvbLib/EmuVariableFvbLib.inf b/OvmfPkg/Library/EmuVariableFvbLib/EmuVariableFvbLib.inf
new file mode 100644 (file)
index 0000000..b6fb4dc
--- /dev/null
+++ b/OvmfPkg/Library/EmuVariableFvbLib/EmuVariableFvbLib.inf
@@ -0,0 +1,48 @@
+#/** @file\r
+#  OVMF platform customization for EMU Variable FVB driver\r
+#\r
+#  This library handles hooks for the EMU Variable FVB driver.\r
+#\r
+#  Copyright (c) 2006 - 2009, Intel Corporation\r
+#\r
+#  All rights reserved. This program and the accompanying materials\r
+#  are licensed and made available under the terms and conditions of the BSD License\r
+#  which accompanies this distribution. The full text of the license may be found at\r
+#  http://opensource.org/licenses/bsd-license.php\r
+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+#\r
+#\r
+#**/\r
+\r
+[Defines]\r
+  INF_VERSION                    = 0x00010005\r
+  BASE_NAME                      = EmuVariableFvbLib\r
+  FILE_GUID                      = 8a6062ed-7140-4a74-b4ea-fe900e79e24b\r
+  MODULE_TYPE                    = BASE\r
+  VERSION_STRING                 = 1.0\r
+  LIBRARY_CLASS                  = PlatformFvbLib|DXE_RUNTIME_DRIVER\r
+\r
+#\r
+# The following information is for reference only and not required by the build tools.\r
+#\r
+#  VALID_ARCHITECTURES           = IA32 X64 IPF EBC\r
+#\r
+\r
+[Sources.common]\r
+  EmuVariableFvbLib.c\r
+\r
+[Packages]\r
+  MdePkg/MdePkg.dec\r
+  MdeModulePkg/MdeModulePkg.dec\r
+  OvmfPkg/OvmfPkg.dec\r
+\r
+[LibraryClasses]\r
+  BaseLib\r
+  BaseMemoryLib\r
+  DebugLib\r
+  MemoryAllocationLib\r
+\r
+[Pcd]\r
+  gUefiOvmfPkgTokenSpaceGuid.PcdEmuVariableEvent\r
+\r

diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec
index 1c1741d27492fe24573214dda91baa58af71abc7..02c039dcd07dcaa650159271b223e848944bb314 100644 (file)
--- a/OvmfPkg/OvmfPkg.dec
+++ b/OvmfPkg/OvmfPkg.dec
@@ -25,14 +25,17 @@
 [Guids.common]\r
   gUefiOvmfPkgTokenSpaceGuid      = {0x93bb96af, 0xb9f2, 0x4eb8, {0x94, 0x62, 0xe0, 0xba, 0x74, 0x56, 0x42, 0x36}}\r
 \r
-[PcdsFixedAtBuild.common]\r
-  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogBase|0x0|UINT32|0x0000100e\r
-  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogSize|0x0|UINT32|0x0000100f\r
-  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashFvRecoveryBase|0x0|UINT32|0x00001010\r
-  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashFvRecoverySize|0x0|UINT32|0x00001011\r
-  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareFdSize|0x0|UINT32|0x00001012\r
-  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareBlockSize|0|UINT32|0x00001013\r
-  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase|0x0|UINT32|0x00001014\r
+[PcdsFixedAtBuild]\r
+  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogBase|0x0|UINT32|0\r
+  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogSize|0x0|UINT32|0\r
+  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashFvRecoveryBase|0x0|UINT32|0\r
+  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashFvRecoverySize|0x0|UINT32|0\r
+  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareFdSize|0x0|UINT32|0\r
+  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareBlockSize|0|UINT32|0\r
+  gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase|0x0|UINT32|0\r
+\r
+[PcdsDynamic]\r
+  gUefiOvmfPkgTokenSpaceGuid.PcdEmuVariableEvent|0|UINT64|0\r
 \r
 [LibraryClasses]\r
   ##  @libraryclass  Save and restore variables using a file\r