--- /dev/null
+/** @file\r
+\r
+Copyright (c) 2007 - 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 <Uefi.h>\r
+\r
+#include <Library/BaseLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/UefiDriverEntryPoint.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+#include <Library/PlatformDriverOverrideLib.h>\r
+#include <Protocol/PlatformDriverOverride.h>\r
+\r
+LIST_ENTRY mMappingDataBase = INITIALIZE_LIST_HEAD_VARIABLE (mMappingDataBase);\r
+BOOLEAN mEnvironmentVariableRead = FALSE;\r
+EFI_HANDLE mCallerImageHandle = NULL;\r
+\r
+/**\r
+ Retrieves the image handle of the platform override driver for a controller in the system.\r
+\r
+ @param This A pointer to the\r
+ EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL instance.\r
+ @param ControllerHandle The device handle of the controller to check if a\r
+ driver override exists.\r
+ @param DriverImageHandle On input, a pointer to the previous driver image\r
+ handle returned by GetDriver(). On output, a\r
+ pointer to the next driver image handle. Passing\r
+ in a NULL, will return the first driver image\r
+ handle for ControllerHandle.\r
+\r
+ @retval EFI_SUCCESS The driver override for ControllerHandle was\r
+ returned in DriverImageHandle.\r
+ @retval EFI_NOT_FOUND A driver override for ControllerHandle was not\r
+ found.\r
+ @retval EFI_INVALID_PARAMETER The handle specified by ControllerHandle is not a\r
+ valid handle. DriverImageHandle is not a handle\r
+ that was returned on a previous call to\r
+ GetDriver().\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+GetDriver (\r
+ IN EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This,\r
+ IN EFI_HANDLE ControllerHandle,\r
+ IN OUT EFI_HANDLE *DriverImageHandle\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+\r
+ //\r
+ // Check that ControllerHandle is a valid handle\r
+ //\r
+ if (ControllerHandle == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ //\r
+ // Read the environment variable(s) that contain the override mappings from Controller Device Path to\r
+ // a set of Driver Device Paths, and initialize in memory database of the overrides that map Controller\r
+ // Device Paths to an ordered set of Driver Device Paths and Driver Handles. This action is only performed\r
+ // once and finished in first call.\r
+ //\r
+ if (!mEnvironmentVariableRead) {\r
+ mEnvironmentVariableRead = TRUE;\r
+\r
+ Status = InitOverridesMapping (&mMappingDataBase);\r
+ if (EFI_ERROR (Status)){\r
+ DEBUG ((DEBUG_ERROR, "The status to Get Platform Driver Override Variable is %r\n", Status));\r
+ InitializeListHead (&mMappingDataBase);\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ }\r
+\r
+ //\r
+ // if the environment variable does not exist, just return not found\r
+ //\r
+ if (IsListEmpty (&mMappingDataBase)) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+ return GetDriverFromMapping (\r
+ ControllerHandle,\r
+ DriverImageHandle,\r
+ &mMappingDataBase,\r
+ mCallerImageHandle\r
+ );\r
+}\r
+\r
+/**\r
+ Retrieves the device path of the platform override driver for a controller in the system.\r
+ This driver doesn't support this API.\r
+\r
+ @param This A pointer to the EFI_PLATFORM_DRIVER_OVERRIDE_\r
+ PROTOCOL instance. \r
+ @param ControllerHandle The device handle of the controller to check if a driver override\r
+ exists. \r
+ @param DriverImagePath On input, a pointer to the previous driver device path returned by\r
+ GetDriverPath(). On output, a pointer to the next driver\r
+ device path. Passing in a pointer to NULL, will return the first\r
+ driver device path for ControllerHandle.\r
+ \r
+ @retval EFI_UNSUPPORTED\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+GetDriverPath (\r
+ IN EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This,\r
+ IN EFI_HANDLE ControllerHandle,\r
+ IN OUT EFI_DEVICE_PATH_PROTOCOL **DriverImagePath\r
+ )\r
+{\r
+ return EFI_UNSUPPORTED;\r
+}\r
+\r
+\r
+/**\r
+ Used to associate a driver image handle with a device path that was returned on a prior call to the\r
+ GetDriverPath() service. This driver image handle will then be available through the \r
+ GetDriver() service. This driver doesn't support this API.\r
+\r
+ @param This A pointer to the EFI_PLATFORM_DRIVER_OVERRIDE_\r
+ PROTOCOL instance. \r
+ @param ControllerHandle The device handle of the controller. \r
+ @param DriverImagePath A pointer to the driver device path that was returned in a prior\r
+ call to GetDriverPath(). \r
+ @param DriverImageHandle The driver image handle that was returned by LoadImage()\r
+ when the driver specified by DriverImagePath was loaded \r
+ into memory. \r
+ \r
+ @retval EFI_UNSUPPORTED\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+DriverLoaded (\r
+ IN EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This,\r
+ IN EFI_HANDLE ControllerHandle,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *DriverImagePath,\r
+ IN EFI_HANDLE DriverImageHandle\r
+ )\r
+{\r
+ return EFI_UNSUPPORTED;\r
+}\r
+\r
+EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL mPlatformDriverOverride = {\r
+ GetDriver,\r
+ GetDriverPath,\r
+ DriverLoaded\r
+};\r
+\r
+/**\r
+ Platform Driver Override driver entry point, install the Platform Driver Override Protocol\r
+\r
+ @param ImageHandle ImageHandle of the loaded driver.\r
+ @param SystemTable Pointer to the EFI System Table.\r
+\r
+ @retval EFI_SUCCESS The DXE Driver, DXE Runtime Driver, DXE SMM Driver,\r
+ or UEFI Driver exited normally.\r
+ @retval EFI_ALREADY_STARTED A protocol instance has been installed. Not need install again.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+PlatformDriverOverrideEntry (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+{\r
+ EFI_HANDLE Handle;\r
+ EFI_STATUS Status;\r
+ VOID *Instance;\r
+\r
+ mCallerImageHandle = ImageHandle;\r
+\r
+ //\r
+ // According to UEFI spec, there can be at most a single instance\r
+ // in the system of the EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL.\r
+ // So here we check the existence.\r
+ //\r
+ Status = gBS->LocateProtocol (\r
+ &gEfiPlatformDriverOverrideProtocolGuid,\r
+ NULL,\r
+ &Instance\r
+ );\r
+ //\r
+ // If there was no error, assume there is an installation and return error\r
+ //\r
+ if (!EFI_ERROR (Status)) {\r
+ return EFI_ALREADY_STARTED;\r
+ }\r
+\r
+ //\r
+ // Install platform driver override protocol\r
+ //\r
+ Handle = NULL;\r
+ Status = gBS->InstallProtocolInterface (\r
+ &Handle,\r
+ &gEfiPlatformDriverOverrideProtocolGuid,\r
+ EFI_NATIVE_INTERFACE,\r
+ &mPlatformDriverOverride\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+ return EFI_SUCCESS;\r
+}\r
--- /dev/null
+#/** @file\r
+# This driver produces UEFI PLATFORM_DRIVER_OVERRIDE_PROTOCOL if this protocol doesn't exist.\r
+# It doesn't install again if this protocol exists.\r
+# It only implements one interface GetDriver of PLATFORM_DRIVER_OVERRIDE_PROTOCOL protocol \r
+# and doesn't support other two interfaces GetDriverPath, DriverLoaded. \r
+# \r
+# Copyright (c) 2007 - 2009, Intel Corporation. All rights reserved.\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
+#\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
+[Defines]\r
+ INF_VERSION = 0x00010005\r
+ BASE_NAME = PlatformDriOverrideDxe\r
+ FILE_GUID = 35034CE2-A6E5-4fb4-BABE-A0156E9B2549\r
+ MODULE_TYPE = UEFI_DRIVER\r
+ VERSION_STRING = 1.0\r
+ ENTRY_POINT = PlatformDriverOverrideEntry\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
+ PlatformDriOverride.c\r
+\r
+[Packages]\r
+ MdePkg/MdePkg.dec\r
+ MdeModulePkg/MdeModulePkg.dec\r
+\r
+[LibraryClasses]\r
+ BaseLib\r
+ UefiDriverEntryPoint\r
+ DebugLib\r
+ PlatformDriverOverrideLib\r
+ UefiBootServicesTableLib\r
+\r
+[Protocols]\r
+ gEfiPlatformDriverOverrideProtocolGuid ## PRODUCED\r
+
\ No newline at end of file
+++ /dev/null
-/** @file\r
-\r
-Copyright (c) 2007 - 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 <Uefi.h>\r
-\r
-#include <Library/BaseLib.h>\r
-#include <Library/DebugLib.h>\r
-#include <Library/UefiDriverEntryPoint.h>\r
-#include <Library/UefiBootServicesTableLib.h>\r
-#include <Library/PlatformDriverOverrideLib.h>\r
-#include <Protocol/PlatformDriverOverride.h>\r
-\r
-LIST_ENTRY mMappingDataBase = INITIALIZE_LIST_HEAD_VARIABLE (mMappingDataBase);\r
-BOOLEAN mEnvironmentVariableRead = FALSE;\r
-EFI_HANDLE mCallerImageHandle = NULL;\r
-\r
-/**\r
- Retrieves the image handle of the platform override driver for a controller in the system.\r
-\r
- @param This A pointer to the\r
- EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL instance.\r
- @param ControllerHandle The device handle of the controller to check if a\r
- driver override exists.\r
- @param DriverImageHandle On input, a pointer to the previous driver image\r
- handle returned by GetDriver(). On output, a\r
- pointer to the next driver image handle. Passing\r
- in a NULL, will return the first driver image\r
- handle for ControllerHandle.\r
-\r
- @retval EFI_SUCCESS The driver override for ControllerHandle was\r
- returned in DriverImageHandle.\r
- @retval EFI_NOT_FOUND A driver override for ControllerHandle was not\r
- found.\r
- @retval EFI_INVALID_PARAMETER The handle specified by ControllerHandle is not a\r
- valid handle. DriverImageHandle is not a handle\r
- that was returned on a previous call to\r
- GetDriver().\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-GetDriver (\r
- IN EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This,\r
- IN EFI_HANDLE ControllerHandle,\r
- IN OUT EFI_HANDLE *DriverImageHandle\r
- )\r
-{\r
- EFI_STATUS Status;\r
-\r
- //\r
- // Check that ControllerHandle is a valid handle\r
- //\r
- if (ControllerHandle == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- //\r
- // Read the environment variable(s) that contain the override mappings from Controller Device Path to\r
- // a set of Driver Device Paths, and initialize in memory database of the overrides that map Controller\r
- // Device Paths to an ordered set of Driver Device Paths and Driver Handles. This action is only performed\r
- // once and finished in first call.\r
- //\r
- if (!mEnvironmentVariableRead) {\r
- mEnvironmentVariableRead = TRUE;\r
-\r
- Status = InitOverridesMapping (&mMappingDataBase);\r
- if (EFI_ERROR (Status)){\r
- DEBUG ((DEBUG_ERROR, "The status to Get Platform Driver Override Variable is %r\n", Status));\r
- InitializeListHead (&mMappingDataBase);\r
- return EFI_NOT_FOUND;\r
- }\r
- }\r
-\r
- //\r
- // if the environment variable does not exist, just return not found\r
- //\r
- if (IsListEmpty (&mMappingDataBase)) {\r
- return EFI_NOT_FOUND;\r
- }\r
-\r
- return GetDriverFromMapping (\r
- ControllerHandle,\r
- DriverImageHandle,\r
- &mMappingDataBase,\r
- mCallerImageHandle\r
- );\r
-}\r
-\r
-/**\r
- Retrieves the device path of the platform override driver for a controller in the system.\r
- This driver doesn't support this API.\r
-\r
- @param This A pointer to the EFI_PLATFORM_DRIVER_OVERRIDE_\r
- PROTOCOL instance. \r
- @param ControllerHandle The device handle of the controller to check if a driver override\r
- exists. \r
- @param DriverImagePath On input, a pointer to the previous driver device path returned by\r
- GetDriverPath(). On output, a pointer to the next driver\r
- device path. Passing in a pointer to NULL, will return the first\r
- driver device path for ControllerHandle.\r
- \r
- @retval EFI_UNSUPPORTED\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-GetDriverPath (\r
- IN EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This,\r
- IN EFI_HANDLE ControllerHandle,\r
- IN OUT EFI_DEVICE_PATH_PROTOCOL **DriverImagePath\r
- )\r
-{\r
- return EFI_UNSUPPORTED;\r
-}\r
-\r
-\r
-/**\r
- Used to associate a driver image handle with a device path that was returned on a prior call to the\r
- GetDriverPath() service. This driver image handle will then be available through the \r
- GetDriver() service. This driver doesn't support this API.\r
-\r
- @param This A pointer to the EFI_PLATFORM_DRIVER_OVERRIDE_\r
- PROTOCOL instance. \r
- @param ControllerHandle The device handle of the controller. \r
- @param DriverImagePath A pointer to the driver device path that was returned in a prior\r
- call to GetDriverPath(). \r
- @param DriverImageHandle The driver image handle that was returned by LoadImage()\r
- when the driver specified by DriverImagePath was loaded \r
- into memory. \r
- \r
- @retval EFI_UNSUPPORTED\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-DriverLoaded (\r
- IN EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This,\r
- IN EFI_HANDLE ControllerHandle,\r
- IN EFI_DEVICE_PATH_PROTOCOL *DriverImagePath,\r
- IN EFI_HANDLE DriverImageHandle\r
- )\r
-{\r
- return EFI_UNSUPPORTED;\r
-}\r
-\r
-EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL mPlatformDriverOverride = {\r
- GetDriver,\r
- GetDriverPath,\r
- DriverLoaded\r
-};\r
-\r
-/**\r
- Platform Driver Override driver entry point, install the Platform Driver Override Protocol\r
-\r
- @param ImageHandle ImageHandle of the loaded driver.\r
- @param SystemTable Pointer to the EFI System Table.\r
-\r
- @retval EFI_SUCCESS The DXE Driver, DXE Runtime Driver, DXE SMM Driver,\r
- or UEFI Driver exited normally.\r
- @retval EFI_ALREADY_STARTED A protocol instance has been installed. Not need install again.\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-PlatformDriverOverrideEntry (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EFI_HANDLE Handle;\r
- EFI_STATUS Status;\r
- VOID *Instance;\r
-\r
- mCallerImageHandle = ImageHandle;\r
-\r
- //\r
- // According to UEFI spec, there can be at most a single instance\r
- // in the system of the EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL.\r
- // So here we check the existence.\r
- //\r
- Status = gBS->LocateProtocol (\r
- &gEfiPlatformDriverOverrideProtocolGuid,\r
- NULL,\r
- &Instance\r
- );\r
- //\r
- // If there was no error, assume there is an installation and return error\r
- //\r
- if (!EFI_ERROR (Status)) {\r
- return EFI_ALREADY_STARTED;\r
- }\r
-\r
- //\r
- // Install platform driver override protocol\r
- //\r
- Handle = NULL;\r
- Status = gBS->InstallProtocolInterface (\r
- &Handle,\r
- &gEfiPlatformDriverOverrideProtocolGuid,\r
- EFI_NATIVE_INTERFACE,\r
- &mPlatformDriverOverride\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- return EFI_SUCCESS;\r
-}\r
+++ /dev/null
-#/** @file\r
-# This driver produces UEFI PLATFORM_DRIVER_OVERRIDE_PROTOCOL if this protocol doesn't exist.\r
-# It doesn't install again if this protocol exists.\r
-# It only implements one interface GetDriver of PLATFORM_DRIVER_OVERRIDE_PROTOCOL protocol \r
-# and doesn't support other two interfaces GetDriverPath, DriverLoaded. \r
-# \r
-# Copyright (c) 2007 - 2009, Intel Corporation. All rights reserved.\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
-#\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
-[Defines]\r
- INF_VERSION = 0x00010005\r
- BASE_NAME = PlatformDriOverrideDxe\r
- FILE_GUID = 35034CE2-A6E5-4fb4-BABE-A0156E9B2549\r
- MODULE_TYPE = UEFI_DRIVER\r
- VERSION_STRING = 1.0\r
- ENTRY_POINT = PlatformDriverOverrideEntry\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
- PlatformDriOverride.c\r
-\r
-[Packages]\r
- MdePkg/MdePkg.dec\r
- MdeModulePkg/MdeModulePkg.dec\r
-\r
-[LibraryClasses]\r
- BaseLib\r
- UefiDriverEntryPoint\r
- DebugLib\r
- PlatformDriverOverrideLib\r
- UefiBootServicesTableLib\r
-\r
-[Protocols]\r
- gEfiPlatformDriverOverrideProtocolGuid ## PRODUCED\r
-
\ No newline at end of file
projects / mirror_edk2.git / commitdiff