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-rw-r--r--Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ComponentName.c167
-rw-r--r--Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatform.c1154
-rw-r--r--Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatform.h442
-rw-r--r--Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.inf98
-rw-r--r--Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.unibin0 -> 2170 bytes
-rw-r--r--Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxeExtra.unibin0 -> 1356 bytes
6 files changed, 1861 insertions, 0 deletions
diff --git a/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ComponentName.c b/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ComponentName.c
new file mode 100644
index 0000000000..ac74d0bc82
--- /dev/null
+++ b/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ComponentName.c
@@ -0,0 +1,167 @@
+/** @file
+ UEFI Component Name(2) protocol implementation for ConPlatform driver.
+
+Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
+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.
+
+**/
+
+#include "ConPlatform.h"
+
+//
+// EFI Component Name Protocol
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gConPlatformComponentName = {
+ ConPlatformComponentNameGetDriverName,
+ ConPlatformComponentNameGetControllerName,
+ "eng"
+};
+
+//
+// EFI Component Name 2 Protocol
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gConPlatformComponentName2 = {
+ (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) ConPlatformComponentNameGetDriverName,
+ (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) ConPlatformComponentNameGetControllerName,
+ "en"
+};
+
+
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mConPlatformDriverNameTable[] = {
+ {
+ "eng;en",
+ L"Platform Console Management Driver"
+ },
+ {
+ NULL,
+ NULL
+ }
+};
+
+/**
+ Retrieves a Unicode string that is the user readable name of the driver.
+
+ This function retrieves the user readable name of a driver in the form of a
+ Unicode string. If the driver specified by This has a user readable name in
+ the language specified by Language, then a pointer to the driver name is
+ returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
+ by This does not support the language specified by Language,
+ then EFI_UNSUPPORTED is returned.
+
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+ @param Language[in] A pointer to a Null-terminated ASCII string
+ array indicating the language. This is the
+ language of the driver name that the caller is
+ requesting, and it must match one of the
+ languages specified in SupportedLanguages. The
+ number of languages supported by a driver is up
+ to the driver writer. Language is specified
+ in RFC 4646 or ISO 639-2 language code format.
+ @param DriverName[out] A pointer to the Unicode string to return.
+ This Unicode string is the name of the
+ driver specified by This in the language
+ specified by Language.
+
+ @retval EFI_SUCCESS The Unicode string for the Driver specified by
+ This and the language specified by Language was
+ returned in DriverName.
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+ @retval EFI_INVALID_PARAMETER DriverName is NULL.
+ @retval EFI_UNSUPPORTED The driver specified by This does not support
+ the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+ConPlatformComponentNameGetDriverName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN CHAR8 *Language,
+ OUT CHAR16 **DriverName
+ )
+{
+ return LookupUnicodeString2 (
+ Language,
+ This->SupportedLanguages,
+ mConPlatformDriverNameTable,
+ DriverName,
+ (BOOLEAN)(This == &gConPlatformComponentName)
+ );
+}
+
+/**
+ Retrieves a Unicode string that is the user readable name of the controller
+ that is being managed by a driver.
+
+ This function retrieves the user readable name of the controller specified by
+ ControllerHandle and ChildHandle in the form of a Unicode string. If the
+ driver specified by This has a user readable name in the language specified by
+ Language, then a pointer to the controller name is returned in ControllerName,
+ and EFI_SUCCESS is returned. If the driver specified by This is not currently
+ managing the controller specified by ControllerHandle and ChildHandle,
+ then EFI_UNSUPPORTED is returned. If the driver specified by This does not
+ support the language specified by Language, then EFI_UNSUPPORTED is returned.
+
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+ @param ControllerHandle[in] The handle of a controller that the driver
+ specified by This is managing. This handle
+ specifies the controller whose name is to be
+ returned.
+ @param ChildHandle[in] The handle of the child controller to retrieve
+ the name of. This is an optional parameter that
+ may be NULL. It will be NULL for device
+ drivers. It will also be NULL for a bus drivers
+ that wish to retrieve the name of the bus
+ controller. It will not be NULL for a bus
+ driver that wishes to retrieve the name of a
+ child controller.
+ @param Language[in] A pointer to a Null-terminated ASCII string
+ array indicating the language. This is the
+ language of the driver name that the caller is
+ requesting, and it must match one of the
+ languages specified in SupportedLanguages. The
+ number of languages supported by a driver is up
+ to the driver writer. Language is specified in
+ RFC 4646 or ISO 639-2 language code format.
+ @param ControllerName[out] A pointer to the Unicode string to return.
+ This Unicode string is the name of the
+ controller specified by ControllerHandle and
+ ChildHandle in the language specified by
+ Language from the point of view of the driver
+ specified by This.
+
+ @retval EFI_SUCCESS The Unicode string for the user readable name in
+ the language specified by Language for the
+ driver specified by This was returned in
+ DriverName.
+ @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
+ @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
+ EFI_HANDLE.
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+ @retval EFI_INVALID_PARAMETER ControllerName is NULL.
+ @retval EFI_UNSUPPORTED The driver specified by This is not currently
+ managing the controller specified by
+ ControllerHandle and ChildHandle.
+ @retval EFI_UNSUPPORTED The driver specified by This does not support
+ the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+ConPlatformComponentNameGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ )
+{
+ return EFI_UNSUPPORTED;
+}
diff --git a/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatform.c b/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatform.c
new file mode 100644
index 0000000000..795123d106
--- /dev/null
+++ b/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatform.c
@@ -0,0 +1,1154 @@
+/** @file
+ Console Platform DXE Driver, install Console Device Guids and update Console
+ Environment Variables.
+
+Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
+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.
+
+**/
+
+#include "ConPlatform.h"
+
+
+EFI_DRIVER_BINDING_PROTOCOL gConPlatformTextInDriverBinding = {
+ ConPlatformTextInDriverBindingSupported,
+ ConPlatformTextInDriverBindingStart,
+ ConPlatformTextInDriverBindingStop,
+ 0xa,
+ NULL,
+ NULL
+};
+
+EFI_DRIVER_BINDING_PROTOCOL gConPlatformTextOutDriverBinding = {
+ ConPlatformTextOutDriverBindingSupported,
+ ConPlatformTextOutDriverBindingStart,
+ ConPlatformTextOutDriverBindingStop,
+ 0xa,
+ NULL,
+ NULL
+};
+
+/**
+ Entrypoint of this module.
+
+ This function is the entrypoint of this module. It installs Driver Binding
+ Protocols together with Component Name Protocols.
+
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The entry point is executed successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+InitializeConPlatform(
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ Status = EfiLibInstallDriverBindingComponentName2 (
+ ImageHandle,
+ SystemTable,
+ &gConPlatformTextInDriverBinding,
+ ImageHandle,
+ &gConPlatformComponentName,
+ &gConPlatformComponentName2
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ Status = EfiLibInstallDriverBindingComponentName2 (
+ ImageHandle,
+ SystemTable,
+ &gConPlatformTextOutDriverBinding,
+ NULL,
+ &gConPlatformComponentName,
+ &gConPlatformComponentName2
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ Test to see if EFI_SIMPLE_TEXT_INPUT_PROTOCOL is supported on ControllerHandle.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to test.
+ @param RemainingDevicePath Optional parameter use to pick a specific child
+ device to start.
+
+ @retval EFI_SUCCESS This driver supports this device.
+ @retval other This driver does not support this device.
+
+**/
+EFI_STATUS
+EFIAPI
+ConPlatformTextInDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
+ )
+{
+ return ConPlatformDriverBindingSupported (
+ This,
+ ControllerHandle,
+ &gEfiSimpleTextInProtocolGuid
+ );
+}
+
+
+/**
+ Test to see if EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL is supported on ControllerHandle.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to test.
+ @param RemainingDevicePath Optional parameter use to pick a specific child
+ device to start.
+
+ @retval EFI_SUCCESS This driver supports this device.
+ @retval other This driver does not support this device.
+
+**/
+EFI_STATUS
+EFIAPI
+ConPlatformTextOutDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
+ )
+{
+ return ConPlatformDriverBindingSupported (
+ This,
+ ControllerHandle,
+ &gEfiSimpleTextOutProtocolGuid
+ );
+}
+
+
+/**
+ Test to see if the specified protocol is supported on ControllerHandle.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to test.
+ @param ProtocolGuid The specfic protocol.
+
+ @retval EFI_SUCCESS This driver supports this device.
+ @retval other This driver does not support this device.
+
+**/
+EFI_STATUS
+ConPlatformDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_GUID *ProtocolGuid
+ )
+{
+ EFI_STATUS Status;
+ VOID *Interface;
+
+ //
+ // Test to see if this is a physical device by checking if
+ // it has a Device Path Protocol.
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiDevicePathProtocolGuid,
+ NULL,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_TEST_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Test to see if this device supports the specified Protocol.
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ ProtocolGuid,
+ (VOID **) &Interface,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ gBS->CloseProtocol (
+ ControllerHandle,
+ ProtocolGuid,
+ This->DriverBindingHandle,
+ ControllerHandle
+ );
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Start this driver on the device for console input.
+
+ Start this driver on ControllerHandle by opening Simple Text Input Protocol,
+ reading Device Path, and installing Console In Devcice GUID on ControllerHandle.
+
+ If this devcie is not one hot-plug devce, append its device path into the
+ console environment variables ConInDev.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to bind driver to
+ @param RemainingDevicePath Optional parameter use to pick a specific child
+ device to start.
+
+ @retval EFI_SUCCESS This driver is added to ControllerHandle
+ @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
+ @retval other This driver does not support this device.
+
+**/
+EFI_STATUS
+EFIAPI
+ConPlatformTextInDriverBindingStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_SIMPLE_TEXT_INPUT_PROTOCOL *TextIn;
+ BOOLEAN IsInConInVariable;
+
+ //
+ // Get the Device Path Protocol so the environment variables can be updated
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &DevicePath,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Open the Simple Text Input Protocol BY_DRIVER
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiSimpleTextInProtocolGuid,
+ (VOID **) &TextIn,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Check if the device path is in ConIn Variable
+ //
+ IsInConInVariable = FALSE;
+ Status = ConPlatformUpdateDeviceVariable (
+ L"ConIn",
+ DevicePath,
+ Check
+ );
+ if (!EFI_ERROR (Status)) {
+ IsInConInVariable = TRUE;
+ }
+
+ //
+ // Check the device path, if it is a hot plug device,
+ // do not put the device path into ConInDev, and install
+ // gEfiConsoleInDeviceGuid to the device handle directly.
+ // The policy is, make hot plug device plug in and play immediately.
+ //
+ if (IsHotPlugDevice (DevicePath)) {
+ gBS->InstallMultipleProtocolInterfaces (
+ &ControllerHandle,
+ &gEfiConsoleInDeviceGuid,
+ NULL,
+ NULL
+ );
+ //
+ // Append the device path to ConInDev only if it is in ConIn variable.
+ //
+ if (IsInConInVariable) {
+ ConPlatformUpdateDeviceVariable (
+ L"ConInDev",
+ DevicePath,
+ Append
+ );
+ }
+ } else {
+ //
+ // If it is not a hot-plug device, append the device path to the
+ // ConInDev environment variable
+ //
+ ConPlatformUpdateDeviceVariable (
+ L"ConInDev",
+ DevicePath,
+ Append
+ );
+
+ //
+ // If the device path is an instance in the ConIn environment variable,
+ // then install EfiConsoleInDeviceGuid onto ControllerHandle
+ //
+ if (IsInConInVariable) {
+ gBS->InstallMultipleProtocolInterfaces (
+ &ControllerHandle,
+ &gEfiConsoleInDeviceGuid,
+ NULL,
+ NULL
+ );
+ } else {
+ gBS->CloseProtocol (
+ ControllerHandle,
+ &gEfiSimpleTextInProtocolGuid,
+ This->DriverBindingHandle,
+ ControllerHandle
+ );
+ }
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Start this driver on the device for console output and stardard error output.
+
+ Start this driver on ControllerHandle by opening Simple Text Output Protocol,
+ reading Device Path, and installing Console Out Devcic GUID, Standard Error
+ Device GUID on ControllerHandle.
+
+ If this devcie is not one hot-plug devce, append its device path into the
+ console environment variables ConOutDev, ErrOutDev.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to bind driver to
+ @param RemainingDevicePath Optional parameter use to pick a specific child
+ device to start.
+
+ @retval EFI_SUCCESS This driver is added to ControllerHandle
+ @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
+ @retval other This driver does not support this device
+
+**/
+EFI_STATUS
+EFIAPI
+ConPlatformTextOutDriverBindingStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *TextOut;
+ BOOLEAN NeedClose;
+ BOOLEAN IsInConOutVariable;
+ BOOLEAN IsInErrOutVariable;
+
+ NeedClose = TRUE;
+
+ //
+ // Get the Device Path Protocol so the environment variables can be updated
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &DevicePath,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Open the Simple Text Output Protocol BY_DRIVER
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiSimpleTextOutProtocolGuid,
+ (VOID **) &TextOut,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Check if the device path is in ConOut & ErrOut Variable
+ //
+ IsInConOutVariable = FALSE;
+ Status = ConPlatformUpdateDeviceVariable (
+ L"ConOut",
+ DevicePath,
+ Check
+ );
+ if (!EFI_ERROR (Status)) {
+ IsInConOutVariable = TRUE;
+ }
+
+ IsInErrOutVariable = FALSE;
+ Status = ConPlatformUpdateDeviceVariable (
+ L"ErrOut",
+ DevicePath,
+ Check
+ );
+ if (!EFI_ERROR (Status)) {
+ IsInErrOutVariable = TRUE;
+ }
+
+ //
+ // Check the device path, if it is a hot plug device,
+ // do not put the device path into ConOutDev and ErrOutDev,
+ // and install gEfiConsoleOutDeviceGuid to the device handle directly.
+ // The policy is, make hot plug device plug in and play immediately.
+ //
+ if (IsHotPlugDevice (DevicePath)) {
+ gBS->InstallMultipleProtocolInterfaces (
+ &ControllerHandle,
+ &gEfiConsoleOutDeviceGuid,
+ NULL,
+ NULL
+ );
+ //
+ // Append the device path to ConOutDev only if it is in ConOut variable.
+ //
+ if (IsInConOutVariable) {
+ ConPlatformUpdateDeviceVariable (
+ L"ConOutDev",
+ DevicePath,
+ Append
+ );
+ }
+ //
+ // Append the device path to ErrOutDev only if it is in ErrOut variable.
+ //
+ if (IsInErrOutVariable) {
+ ConPlatformUpdateDeviceVariable (
+ L"ErrOutDev",
+ DevicePath,
+ Append
+ );
+ }
+ } else {
+ //
+ // If it is not a hot-plug device, append the device path to
+ // the ConOutDev and ErrOutDev environment variable.
+ // For GOP device path, append the sibling device path as well.
+ //
+ if (!ConPlatformUpdateGopCandidate (DevicePath)) {
+ ConPlatformUpdateDeviceVariable (
+ L"ConOutDev",
+ DevicePath,
+ Append
+ );
+ //
+ // Then append the device path to the ErrOutDev environment variable
+ //
+ ConPlatformUpdateDeviceVariable (
+ L"ErrOutDev",
+ DevicePath,
+ Append
+ );
+ }
+
+ //
+ // If the device path is an instance in the ConOut environment variable,
+ // then install EfiConsoleOutDeviceGuid onto ControllerHandle
+ //
+ if (IsInConOutVariable) {
+ NeedClose = FALSE;
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &ControllerHandle,
+ &gEfiConsoleOutDeviceGuid,
+ NULL,
+ NULL
+ );
+ }
+ //
+ // If the device path is an instance in the ErrOut environment variable,
+ // then install EfiStandardErrorDeviceGuid onto ControllerHandle
+ //
+ if (IsInErrOutVariable) {
+ NeedClose = FALSE;
+ gBS->InstallMultipleProtocolInterfaces (
+ &ControllerHandle,
+ &gEfiStandardErrorDeviceGuid,
+ NULL,
+ NULL
+ );
+ }
+
+ if (NeedClose) {
+ gBS->CloseProtocol (
+ ControllerHandle,
+ &gEfiSimpleTextOutProtocolGuid,
+ This->DriverBindingHandle,
+ ControllerHandle
+ );
+ }
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Stop this driver on ControllerHandle by removing Console In Devcice GUID
+ and closing the Simple Text Input protocol on ControllerHandle.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to stop driver on
+ @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
+ children is zero stop the entire bus driver.
+ @param ChildHandleBuffer List of Child Handles to Stop.
+
+ @retval EFI_SUCCESS This driver is removed ControllerHandle
+ @retval other This driver was not removed from this device
+
+**/
+EFI_STATUS
+EFIAPI
+ConPlatformTextInDriverBindingStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+
+ //
+ // Get the Device Path Protocol firstly
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &DevicePath,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ //
+ // If there is device path on ControllerHandle
+ //
+ if (!EFI_ERROR (Status)) {
+ //
+ // Remove DevicePath from ConInDev if exists.
+ //
+ ConPlatformUpdateDeviceVariable (
+ L"ConInDev",
+ DevicePath,
+ Delete
+ );
+ }
+
+ //
+ // Uninstall the Console Device GUIDs from Controller Handle
+ //
+ ConPlatformUnInstallProtocol (
+ This,
+ ControllerHandle,
+ &gEfiConsoleInDeviceGuid
+ );
+
+ //
+ // Close the Simple Text Input Protocol
+ //
+ gBS->CloseProtocol (
+ ControllerHandle,
+ &gEfiSimpleTextInProtocolGuid,
+ This->DriverBindingHandle,
+ ControllerHandle
+ );
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ Stop this driver on ControllerHandle by removing Console Out Devcice GUID
+ and closing the Simple Text Output protocol on ControllerHandle.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to stop driver on
+ @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
+ children is zero stop the entire bus driver.
+ @param ChildHandleBuffer List of Child Handles to Stop.
+
+ @retval EFI_SUCCESS This driver is removed ControllerHandle
+ @retval other This driver was not removed from this device
+
+**/
+EFI_STATUS
+EFIAPI
+ConPlatformTextOutDriverBindingStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+
+ //
+ // Get the Device Path Protocol firstly
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &DevicePath,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (!EFI_ERROR (Status)) {
+ //
+ // Remove DevicePath from ConOutDev and ErrOutDev if exists.
+ //
+ ConPlatformUpdateDeviceVariable (
+ L"ConOutDev",
+ DevicePath,
+ Delete
+ );
+ ConPlatformUpdateDeviceVariable (
+ L"ErrOutDev",
+ DevicePath,
+ Delete
+ );
+ }
+
+ //
+ // Uninstall the Console Device GUIDs from Controller Handle
+ //
+ ConPlatformUnInstallProtocol (
+ This,
+ ControllerHandle,
+ &gEfiConsoleOutDeviceGuid
+ );
+
+ ConPlatformUnInstallProtocol (
+ This,
+ ControllerHandle,
+ &gEfiStandardErrorDeviceGuid
+ );
+
+ //
+ // Close the Simple Text Output Protocol
+ //
+ gBS->CloseProtocol (
+ ControllerHandle,
+ &gEfiSimpleTextOutProtocolGuid,
+ This->DriverBindingHandle,
+ ControllerHandle
+ );
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ Uninstall the specified protocol.
+
+ @param This Protocol instance pointer.
+ @param Handle Handle of device to uninstall protocol on.
+ @param ProtocolGuid The specified protocol need to be uninstalled.
+
+**/
+VOID
+ConPlatformUnInstallProtocol (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Handle,
+ IN EFI_GUID *ProtocolGuid
+ )
+{
+ EFI_STATUS Status;
+
+ Status = gBS->OpenProtocol (
+ Handle,
+ ProtocolGuid,
+ NULL,
+ This->DriverBindingHandle,
+ Handle,
+ EFI_OPEN_PROTOCOL_TEST_PROTOCOL
+ );
+
+ if (!EFI_ERROR (Status)) {
+ gBS->UninstallMultipleProtocolInterfaces (
+ Handle,
+ ProtocolGuid,
+ NULL,
+ NULL
+ );
+ }
+
+ return ;
+}
+
+/**
+ Get the necessary size of buffer and read the variable.
+
+ First get the necessary size of buffer. Then read the
+ EFI variable (Name) and return a dynamically allocated
+ buffer. On failure return NULL.
+
+ @param Name String part of EFI variable name
+
+ @return Dynamically allocated memory that contains a copy of the EFI variable.
+ Caller is repsoncible freeing the buffer. Return NULL means Variable
+ was not read.
+
+**/
+VOID *
+ConPlatformGetVariable (
+ IN CHAR16 *Name
+ )
+{
+ EFI_STATUS Status;
+ VOID *Buffer;
+ UINTN BufferSize;
+
+ BufferSize = 0;
+ Buffer = NULL;
+
+ //
+ // Test to see if the variable exists. If it doesn't, return NULL.
+ //
+ Status = gRT->GetVariable (
+ Name,
+ &gEfiGlobalVariableGuid,
+ NULL,
+ &BufferSize,
+ Buffer
+ );
+
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ //
+ // Allocate the buffer to return
+ //
+ Buffer = AllocatePool (BufferSize);
+ if (Buffer == NULL) {
+ return NULL;
+ }
+ //
+ // Read variable into the allocated buffer.
+ //
+ Status = gRT->GetVariable (
+ Name,
+ &gEfiGlobalVariableGuid,
+ NULL,
+ &BufferSize,
+ Buffer
+ );
+ if (EFI_ERROR (Status)) {
+ FreePool (Buffer);
+ //
+ // To make sure Buffer is NULL if any error occurs.
+ //
+ Buffer = NULL;
+ }
+ }
+
+ return Buffer;
+}
+
+/**
+ Function returns TRUE when the two input device paths point to the two
+ GOP child handles that have the same parent.
+
+ @param Left A pointer to a device path data structure.
+ @param Right A pointer to a device path data structure.
+
+ @retval TRUE Left and Right share the same parent.
+ @retval FALSE Left and Right don't share the same parent or either of them is not
+ a GOP device path.
+**/
+BOOLEAN
+IsGopSibling (
+ IN EFI_DEVICE_PATH_PROTOCOL *Left,
+ IN EFI_DEVICE_PATH_PROTOCOL *Right
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *NodeLeft;
+ EFI_DEVICE_PATH_PROTOCOL *NodeRight;
+
+ for (NodeLeft = Left; !IsDevicePathEndType (NodeLeft); NodeLeft = NextDevicePathNode (NodeLeft)) {
+ if ((DevicePathType (NodeLeft) == ACPI_DEVICE_PATH && DevicePathSubType (NodeLeft) == ACPI_ADR_DP) ||
+ (DevicePathType (NodeLeft) == HARDWARE_DEVICE_PATH && DevicePathSubType (NodeLeft) == HW_CONTROLLER_DP &&
+ DevicePathType (NextDevicePathNode (NodeLeft)) == ACPI_DEVICE_PATH && DevicePathSubType (NextDevicePathNode (NodeLeft)) == ACPI_ADR_DP)) {
+ break;
+ }
+ }
+
+ if (IsDevicePathEndType (NodeLeft)) {
+ return FALSE;
+ }
+
+ for (NodeRight = Right; !IsDevicePathEndType (NodeRight); NodeRight = NextDevicePathNode (NodeRight)) {
+ if ((DevicePathType (NodeRight) == ACPI_DEVICE_PATH && DevicePathSubType (NodeRight) == ACPI_ADR_DP) ||
+ (DevicePathType (NodeRight) == HARDWARE_DEVICE_PATH && DevicePathSubType (NodeRight) == HW_CONTROLLER_DP &&
+ DevicePathType (NextDevicePathNode (NodeRight)) == ACPI_DEVICE_PATH && DevicePathSubType (NextDevicePathNode (NodeRight)) == ACPI_ADR_DP)) {
+ break;
+ }
+ }
+
+ if (IsDevicePathEndType (NodeRight)) {
+ return FALSE;
+ }
+
+ if (((UINTN) NodeLeft - (UINTN) Left) != ((UINTN) NodeRight - (UINTN) Right)) {
+ return FALSE;
+ }
+
+ return (BOOLEAN) (CompareMem (Left, Right, (UINTN) NodeLeft - (UINTN) Left) == 0);
+}
+
+/**
+ Function compares a device path data structure to that of all the nodes of a
+ second device path instance.
+
+ @param Multi A pointer to a multi-instance device path data structure.
+ @param Single A pointer to a single-instance device path data structure.
+ @param NewDevicePath If Delete is TRUE, this parameter must not be null, and it
+ points to the remaining device path data structure.
+ (remaining device path = Multi - Single.)
+ @param Delete If TRUE, means removing Single from Multi.
+ If FALSE, the routine just check whether Single matches
+ with any instance in Multi.
+
+ @retval EFI_SUCCESS If the Single is contained within Multi.
+ @retval EFI_NOT_FOUND If the Single is not contained within Multi.
+ @retval EFI_INVALID_PARAMETER Multi is NULL.
+ @retval EFI_INVALID_PARAMETER Single is NULL.
+ @retval EFI_INVALID_PARAMETER NewDevicePath is NULL when Delete is TRUE.
+
+**/
+EFI_STATUS
+ConPlatformMatchDevicePaths (
+ IN EFI_DEVICE_PATH_PROTOCOL *Multi,
+ IN EFI_DEVICE_PATH_PROTOCOL *Single,
+ OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath OPTIONAL,
+ IN BOOLEAN Delete
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *TempDevicePath1;
+ EFI_DEVICE_PATH_PROTOCOL *TempDevicePath2;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;
+ UINTN Size;
+
+ //
+ // The passed in DevicePath should not be NULL
+ //
+ if ((Multi == NULL) || (Single == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // If performing Delete operation, the NewDevicePath must not be NULL.
+ //
+ if (Delete) {
+ if (NewDevicePath == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+
+ TempDevicePath1 = NULL;
+
+ DevicePath = Multi;
+ DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);
+
+ //
+ // Search for the match of 'Single' in 'Multi'
+ //
+ while (DevicePathInst != NULL) {
+ if ((CompareMem (Single, DevicePathInst, Size) == 0) || IsGopSibling (Single, DevicePathInst)) {
+ if (!Delete) {
+ //
+ // If Delete is FALSE, return EFI_SUCCESS if Single is found in Multi.
+ //
+ FreePool (DevicePathInst);
+ return EFI_SUCCESS;
+ }
+ } else {
+ if (Delete) {
+ //
+ // If the node of Multi does not match Single, then added it back to the result.
+ // That is, the node matching Single will be dropped and deleted from result.
+ //
+ TempDevicePath2 = AppendDevicePathInstance (
+ TempDevicePath1,
+ DevicePathInst
+ );
+ if (TempDevicePath1 != NULL) {
+ FreePool (TempDevicePath1);
+ }
+ TempDevicePath1 = TempDevicePath2;
+ }
+ }
+
+ FreePool (DevicePathInst);
+ DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);
+ }
+
+ if (Delete) {
+ //
+ // Return the new device path data structure with specified node deleted.
+ //
+ *NewDevicePath = TempDevicePath1;
+ return EFI_SUCCESS;
+ }
+
+ return EFI_NOT_FOUND;
+}
+
+/**
+ Update console environment variables.
+
+ @param VariableName Console environment variables, ConOutDev, ConInDev
+ ErrOutDev, ConIn ,ConOut or ErrOut.
+ @param DevicePath Console devcie's device path.
+ @param Operation Variable operations, including APPEND, CHECK and DELETE.
+
+ @retval EFI_SUCCESS Variable operates successfully.
+ @retval EFI_OUT_OF_RESOURCES If variable cannot be appended.
+ @retval other Variable updating failed.
+
+**/
+EFI_STATUS
+ConPlatformUpdateDeviceVariable (
+ IN CHAR16 *VariableName,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ IN CONPLATFORM_VAR_OPERATION Operation
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *VariableDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *NewVariableDevicePath;
+
+ VariableDevicePath = NULL;
+ NewVariableDevicePath = NULL;
+
+ //
+ // Get Variable according to variable name.
+ // The memory for Variable is allocated within ConPlatformGetVarible(),
+ // it is the caller's responsibility to free the memory before return.
+ //
+ VariableDevicePath = ConPlatformGetVariable (VariableName);
+
+ if (Operation != Delete) {
+ //
+ // Match specified DevicePath in Console Variable.
+ //
+ Status = ConPlatformMatchDevicePaths (
+ VariableDevicePath,
+ DevicePath,
+ NULL,
+ FALSE
+ );
+
+ if ((Operation == Check) || (!EFI_ERROR (Status))) {
+ //
+ // Branch here includes 2 cases:
+ // 1. Operation is CHECK, simply return Status.
+ // 2. Operation is APPEND, and device path already exists in variable, also return.
+ //
+ if (VariableDevicePath != NULL) {
+ FreePool (VariableDevicePath);
+ }
+
+ return Status;
+ }
+ //
+ // We reach here to append a device path that does not exist in variable.
+ //
+ Status = EFI_SUCCESS;
+ NewVariableDevicePath = AppendDevicePathInstance (
+ VariableDevicePath,
+ DevicePath
+ );
+ if (NewVariableDevicePath == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ }
+
+ } else {
+ //
+ // We reach here to remove DevicePath from the environment variable that
+ // is a multi-instance device path.
+ //
+ Status = ConPlatformMatchDevicePaths (
+ VariableDevicePath,
+ DevicePath,
+ &NewVariableDevicePath,
+ TRUE
+ );
+ }
+
+ if (VariableDevicePath != NULL) {
+ FreePool (VariableDevicePath);
+ }
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (NewVariableDevicePath != NULL) {
+ //
+ // Update Console Environment Variable.
+ //
+ Status = gRT->SetVariable (
+ VariableName,
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+ GetDevicePathSize (NewVariableDevicePath),
+ NewVariableDevicePath
+ );
+
+ FreePool (NewVariableDevicePath);
+ }
+
+ return Status;
+}
+
+/**
+ Check if the device supports hot-plug through its device path.
+
+ This function could be updated to check more types of Hot Plug devices.
+ Currently, it checks USB and PCCard device.
+
+ @param DevicePath Pointer to device's device path.
+
+ @retval TRUE The devcie is a hot-plug device
+ @retval FALSE The devcie is not a hot-plug device.
+
+**/
+BOOLEAN
+IsHotPlugDevice (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *CheckDevicePath;
+
+ CheckDevicePath = DevicePath;
+ while (!IsDevicePathEnd (CheckDevicePath)) {
+ //
+ // Check device whether is hot plug device or not throught Device Path
+ //
+ if ((DevicePathType (CheckDevicePath) == MESSAGING_DEVICE_PATH) &&
+ (DevicePathSubType (CheckDevicePath) == MSG_USB_DP ||
+ DevicePathSubType (CheckDevicePath) == MSG_USB_CLASS_DP ||
+ DevicePathSubType (CheckDevicePath) == MSG_USB_WWID_DP)) {
+ //
+ // If Device is USB device
+ //
+ return TRUE;
+ }
+ if ((DevicePathType (CheckDevicePath) == HARDWARE_DEVICE_PATH) &&
+ (DevicePathSubType (CheckDevicePath) == HW_PCCARD_DP)) {
+ //
+ // If Device is PCCard
+ //
+ return TRUE;
+ }
+
+ CheckDevicePath = NextDevicePathNode (CheckDevicePath);
+ }
+
+ return FALSE;
+}
+
+/**
+ Update ConOutDev and ErrOutDev variables to add the device path of
+ GOP controller itself and the sibling controllers.
+
+ @param DevicePath Pointer to device's device path.
+
+ @retval TRUE The devcie is a GOP device.
+ @retval FALSE The devcie is not a GOP device.
+
+**/
+BOOLEAN
+ConPlatformUpdateGopCandidate (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE PciHandle;
+ EFI_HANDLE GopHandle;
+ EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfoBuffer;
+ UINTN EntryCount;
+ UINTN Index;
+ EFI_DEVICE_PATH_PROTOCOL *ChildDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
+
+ //
+ // Check whether it's a GOP device.
+ //
+ TempDevicePath = DevicePath;
+ Status = gBS->LocateDevicePath (&gEfiGraphicsOutputProtocolGuid, &TempDevicePath, &GopHandle);
+ if (EFI_ERROR (Status)) {
+ return FALSE;
+ }
+ //
+ // Get the parent PciIo handle in order to find all the children
+ //
+ Status = gBS->LocateDevicePath (&gEfiPciIoProtocolGuid, &DevicePath, &PciHandle);
+ if (EFI_ERROR (Status)) {
+ return FALSE;
+ }
+
+ Status = gBS->OpenProtocolInformation (
+ PciHandle,
+ &gEfiPciIoProtocolGuid,
+ &OpenInfoBuffer,
+ &EntryCount
+ );
+ if (EFI_ERROR (Status)) {
+ return FALSE;
+ }
+
+ for (Index = 0; Index < EntryCount; Index++) {
+ //
+ // Query all the children created by the GOP driver
+ //
+ if ((OpenInfoBuffer[Index].Attributes & EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) != 0) {
+ Status = gBS->OpenProtocol (
+ OpenInfoBuffer[Index].ControllerHandle,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &ChildDevicePath,
+ NULL,
+ NULL,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (!EFI_ERROR (Status)) {
+ //
+ // Append the device path to ConOutDev and ErrOutDev
+ //
+ ConPlatformUpdateDeviceVariable (L"ConOutDev", ChildDevicePath, Append);
+ ConPlatformUpdateDeviceVariable (L"ErrOutDev", ChildDevicePath, Append);
+ }
+ }
+ }
+ FreePool (OpenInfoBuffer);
+
+ return TRUE;
+}
diff --git a/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatform.h b/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatform.h
new file mode 100644
index 0000000000..4e59e1bbd7
--- /dev/null
+++ b/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatform.h
@@ -0,0 +1,442 @@
+/** @file
+ Header file for Console Platfrom DXE Driver.
+
+Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
+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.
+
+**/
+
+#ifndef _CON_PLATFORM_H_
+#define _CON_PLATFORM_H_
+
+#include <Uefi.h>
+
+#include <Protocol/SimpleTextOut.h>
+#include <Protocol/DevicePath.h>
+#include <Protocol/SimpleTextIn.h>
+#include <Protocol/PciIo.h>
+#include <Protocol/GraphicsOutput.h>
+
+#include <Guid/GlobalVariable.h>
+#include <Guid/ConsoleInDevice.h>
+#include <Guid/StandardErrorDevice.h>
+#include <Guid/ConsoleOutDevice.h>
+
+#include <Library/DebugLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/MemoryAllocationLib.h>
+
+//
+// Driver Binding Externs
+//
+extern EFI_DRIVER_BINDING_PROTOCOL gConPlatformTextInDriverBinding;
+extern EFI_COMPONENT_NAME_PROTOCOL gConPlatformComponentName;
+extern EFI_COMPONENT_NAME2_PROTOCOL gConPlatformComponentName2;
+extern EFI_DRIVER_BINDING_PROTOCOL gConPlatformTextOutDriverBinding;
+extern EFI_COMPONENT_NAME_PROTOCOL gConPlatformComponentName;
+extern EFI_COMPONENT_NAME2_PROTOCOL gConPlatformComponentName2;
+
+
+typedef enum {
+ Check,
+ Append,
+ Delete
+} CONPLATFORM_VAR_OPERATION;
+
+/**
+ Test to see if specific protocol could be supported on the ControllerHandle.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to test.
+ @param ProtocolGuid The specfic protocol.
+
+ @retval EFI_SUCCESS This driver supports this device
+ @retval other This driver does not support this device
+
+**/
+EFI_STATUS
+ConPlatformDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_GUID *ProtocolGuid
+ );
+
+/**
+ Test to see if EFI_SIMPLE_TEXT_INPUT_PROTOCOL is supported on ControllerHandle.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to test.
+ @param RemainingDevicePath Optional parameter use to pick a specific child
+ device to start.
+
+ @retval EFI_SUCCESS This driver supports this device.
+ @retval other This driver does not support this device.
+
+**/
+EFI_STATUS
+EFIAPI
+ConPlatformTextInDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Handle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
+ );
+
+/**
+ Test to see if EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL is supported on ControllerHandle.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to test.
+ @param RemainingDevicePath Optional parameter use to pick a specific child
+ device to start.
+
+ @retval EFI_SUCCESS This driver supports this device.
+ @retval other This driver does not support this device.
+
+**/
+EFI_STATUS
+EFIAPI
+ConPlatformTextOutDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Handle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
+ );
+
+/**
+ Start this driver on the device for console input.
+
+ Start this driver on ControllerHandle by opening Simple Text Input Protocol,
+ reading Device Path, and installing Console In Devcice GUID on ControllerHandle.
+
+ If this devcie is not one hot-plug devce, append its device path into the
+ console environment variables ConInDev.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to bind driver to
+ @param RemainingDevicePath Optional parameter use to pick a specific child
+ device to start.
+
+ @retval EFI_SUCCESS This driver is added to ControllerHandle
+ @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
+ @retval other This driver does not support this device.
+
+**/
+EFI_STATUS
+EFIAPI
+ConPlatformTextInDriverBindingStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Handle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ );
+
+/**
+ Start this driver on the device for console output and stardard error output.
+
+ Start this driver on ControllerHandle by opening Simple Text Output Protocol,
+ reading Device Path, and installing Console Out Devcic GUID, Standard Error
+ Device GUID on ControllerHandle.
+
+ If this devcie is not one hot-plug devce, append its device path into the
+ console environment variables ConOutDev, StdErrDev.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to bind driver to
+ @param RemainingDevicePath Optional parameter use to pick a specific child
+ device to start.
+
+ @retval EFI_SUCCESS This driver is added to ControllerHandle
+ @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
+ @retval other This driver does not support this device
+
+**/
+EFI_STATUS
+EFIAPI
+ConPlatformTextOutDriverBindingStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Handle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ );
+
+/**
+ Stop this driver on ControllerHandle by removing Console In Devcice GUID
+ and closing the Simple Text Input protocol on ControllerHandle.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to stop driver on
+ @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
+ children is zero stop the entire bus driver.
+ @param ChildHandleBuffer List of Child Handles to Stop.
+
+ @retval EFI_SUCCESS This driver is removed ControllerHandle
+ @retval other This driver was not removed from this device
+
+**/
+EFI_STATUS
+EFIAPI
+ConPlatformTextInDriverBindingStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Handle,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ );
+
+/**
+ Stop this driver on ControllerHandle by removing Console Out Devcice GUID
+ and closing the Simple Text Output protocol on ControllerHandle.
+
+ @param This Protocol instance pointer.
+ @param ControllerHandle Handle of device to stop driver on
+ @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
+ children is zero stop the entire bus driver.
+ @param ChildHandleBuffer List of Child Handles to Stop.
+
+ @retval EFI_SUCCESS This driver is removed ControllerHandle
+ @retval other This driver was not removed from this device
+
+**/
+EFI_STATUS
+EFIAPI
+ConPlatformTextOutDriverBindingStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Handle,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ );
+
+/**
+ Uninstall the specified protocol.
+
+ @param This Protocol instance pointer.
+ @param Handle Handle of device to uninstall protocol on.
+ @param ProtocolGuid The specified protocol need to be uninstalled.
+
+**/
+VOID
+ConPlatformUnInstallProtocol (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Handle,
+ IN EFI_GUID *ProtocolGuid
+ );
+
+/**
+ Read the EFI variable (Name) and return a dynamically allocated
+ buffer, and the size of the buffer. On failure return NULL.
+
+ @param Name String part of EFI variable name
+
+ @return Dynamically allocated memory that contains a copy of the EFI variable.
+ Caller is repsoncible freeing the buffer. Return NULL means Variable
+ was not read.
+
+**/
+VOID *
+ConPlatformGetVariable (
+ IN CHAR16 *Name
+ );
+
+/**
+ Function compares a device path data structure to that of all the nodes of a
+ second device path instance.
+
+
+ @param Multi A pointer to a multi-instance device path data structure.
+ @param Single A pointer to a single-instance device path data structure.
+ @param NewDevicePath If Delete is TRUE, this parameter must not be null, and it
+ points to the remaining device path data structure.
+ (remaining device path = Multi - Single.)
+ @param Delete If TRUE, means removing Single from Multi.
+ If FALSE, the routine just check whether Single matches
+ with any instance in Multi.
+
+ @retval EFI_SUCCESS If the Single is contained within Multi.
+ @retval EFI_NOT_FOUND If the Single is not contained within Multi.
+ @retval EFI_INVALID_PARAMETER Multi is NULL.
+ @retval EFI_INVALID_PARAMETER Single is NULL.
+ @retval EFI_INVALID_PARAMETER NewDevicePath is NULL when Delete is TRUE.
+
+**/
+EFI_STATUS
+ConPlatformMatchDevicePaths (
+ IN EFI_DEVICE_PATH_PROTOCOL *Multi,
+ IN EFI_DEVICE_PATH_PROTOCOL *Single,
+ OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath OPTIONAL,
+ IN BOOLEAN Delete
+ );
+
+/**
+ Update console environment variables.
+
+ @param VariableName Console environment variables, ConOutDev, ConInDev
+ StdErrDev, ConIn or ConOut.
+ @param DevicePath Console devcie's device path.
+ @param Operation Variable operations, including APPEND, CHECK and DELETE.
+
+ @retval EFI_SUCCESS Variable operates successfully.
+ @retval EFI_OUT_OF_RESOURCES If variable cannot be appended.
+ @retval other Variable updating failed.
+
+**/
+EFI_STATUS
+ConPlatformUpdateDeviceVariable (
+ IN CHAR16 *VariableName,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ IN CONPLATFORM_VAR_OPERATION Operation
+ );
+
+/**
+ Check if the device supports hot-plug through its device path.
+
+ This function could be updated to check more types of Hot Plug devices.
+ Currently, it checks USB and PCCard device.
+
+ @param DevicePath Pointer to device's device path.
+
+ @retval TRUE The devcie is a hot-plug device
+ @retval FALSE The devcie is not a hot-plug device.
+
+**/
+BOOLEAN
+IsHotPlugDevice (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ );
+
+//
+// EFI Component Name Functions
+//
+/**
+ Retrieves a Unicode string that is the user readable name of the driver.
+
+ This function retrieves the user readable name of a driver in the form of a
+ Unicode string. If the driver specified by This has a user readable name in
+ the language specified by Language, then a pointer to the driver name is
+ returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
+ by This does not support the language specified by Language,
+ then EFI_UNSUPPORTED is returned.
+
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+ @param Language[in] A pointer to a Null-terminated ASCII string
+ array indicating the language. This is the
+ language of the driver name that the caller is
+ requesting, and it must match one of the
+ languages specified in SupportedLanguages. The
+ number of languages supported by a driver is up
+ to the driver writer. Language is specified
+ in RFC 4646 or ISO 639-2 language code format.
+ @param DriverName[out] A pointer to the Unicode string to return.
+ This Unicode string is the name of the
+ driver specified by This in the language
+ specified by Language.
+
+ @retval EFI_SUCCESS The Unicode string for the Driver specified by
+ This and the language specified by Language was
+ returned in DriverName.
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+ @retval EFI_INVALID_PARAMETER DriverName is NULL.
+ @retval EFI_UNSUPPORTED The driver specified by This does not support
+ the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+ConPlatformComponentNameGetDriverName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN CHAR8 *Language,
+ OUT CHAR16 **DriverName
+ );
+
+
+/**
+ Retrieves a Unicode string that is the user readable name of the controller
+ that is being managed by a driver.
+
+ This function retrieves the user readable name of the controller specified by
+ ControllerHandle and ChildHandle in the form of a Unicode string. If the
+ driver specified by This has a user readable name in the language specified by
+ Language, then a pointer to the controller name is returned in ControllerName,
+ and EFI_SUCCESS is returned. If the driver specified by This is not currently
+ managing the controller specified by ControllerHandle and ChildHandle,
+ then EFI_UNSUPPORTED is returned. If the driver specified by This does not
+ support the language specified by Language, then EFI_UNSUPPORTED is returned.
+
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+ @param ControllerHandle[in] The handle of a controller that the driver
+ specified by This is managing. This handle
+ specifies the controller whose name is to be
+ returned.
+ @param ChildHandle[in] The handle of the child controller to retrieve
+ the name of. This is an optional parameter that
+ may be NULL. It will be NULL for device
+ drivers. It will also be NULL for a bus drivers
+ that wish to retrieve the name of the bus
+ controller. It will not be NULL for a bus
+ driver that wishes to retrieve the name of a
+ child controller.
+ @param Language[in] A pointer to a Null-terminated ASCII string
+ array indicating the language. This is the
+ language of the driver name that the caller is
+ requesting, and it must match one of the
+ languages specified in SupportedLanguages. The
+ number of languages supported by a driver is up
+ to the driver writer. Language is specified in
+ RFC 4646 or ISO 639-2 language code format.
+ @param ControllerName[out] A pointer to the Unicode string to return.
+ This Unicode string is the name of the
+ controller specified by ControllerHandle and
+ ChildHandle in the language specified by
+ Language from the point of view of the driver
+ specified by This.
+
+ @retval EFI_SUCCESS The Unicode string for the user readable name in
+ the language specified by Language for the
+ driver specified by This was returned in
+ DriverName.
+ @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
+ @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
+ EFI_HANDLE.
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+ @retval EFI_INVALID_PARAMETER ControllerName is NULL.
+ @retval EFI_UNSUPPORTED The driver specified by This is not currently
+ managing the controller specified by
+ ControllerHandle and ChildHandle.
+ @retval EFI_UNSUPPORTED The driver specified by This does not support
+ the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+ConPlatformComponentNameGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ );
+
+/**
+ Update ConOutDev and ErrOutDev variables to add the device path of
+ GOP controller itself and the sibling controllers.
+
+ @param DevicePath Pointer to device's device path.
+
+ @retval TRUE The devcie is a GOP device.
+ @retval FALSE The devcie is not a GOP device.
+
+**/
+BOOLEAN
+ConPlatformUpdateGopCandidate (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ );
+
+#endif
diff --git a/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.inf b/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.inf
new file mode 100644
index 0000000000..de66b468e4
--- /dev/null
+++ b/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.inf
@@ -0,0 +1,98 @@
+## @file
+# Platform console driver manages console devices.
+#
+# Console Platfrom DXE Driver that specifies whether device can be used as console
+# input/output device or error output device and update global variables accordingly.
+#
+# Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
+#
+# 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.
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = ConPlatformDxe
+ MODULE_UNI_FILE = ConPlatformDxe.uni
+ FILE_GUID = 51ccf399-4fdf-4e55-a45b-e123f84d456a
+ MODULE_TYPE = UEFI_DRIVER
+ VERSION_STRING = 1.0
+ ENTRY_POINT = InitializeConPlatform
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+# DRIVER_BINDING = gConPlatformTextInDriverBinding
+# COMPONENT_NAME = gConPlatformComponentName
+# COMPONENT_NAME2 = gConPlatformComponentName2
+# DRIVER_BINDING = gConPlatformTextOutDriverBinding
+# COMPONENT_NAME = gConPlatformComponentName
+# COMPONENT_NAME2 = gConPlatformComponentName2
+#
+
+[Sources]
+ ComponentName.c
+ ConPlatform.h
+ ConPlatform.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+ MemoryAllocationLib
+ DevicePathLib
+ UefiRuntimeServicesTableLib
+ UefiBootServicesTableLib
+ BaseMemoryLib
+ UefiLib
+ UefiDriverEntryPoint
+ DebugLib
+
+[Guids]
+ #
+ # This is the VendorGuid of all architecturally defined variables in UEFI spec.
+ #
+ ## SOMETIMES_CONSUMES ## Variable:L"ConIn"
+ ## SOMETIMES_CONSUMES ## Variable:L"ConOut"
+ ## SOMETIMES_CONSUMES ## Variable:L"ErrOut"
+ ## SOMETIMES_PRODUCES ## Variable:L"ConInDev"
+ ## SOMETIMES_PRODUCES ## Variable:L"ConOutDev"
+ ## SOMETIMES_PRODUCES ## Variable:L"ErrOutDev"
+ gEfiGlobalVariableGuid
+ #
+ # This GUID is used to specify the device is the standard error device.
+ # If the device is a standard error device, this GUID as the protocol GUID will be installed
+ # onto this device handle.
+ #
+ gEfiStandardErrorDeviceGuid ## SOMETIMES_PRODUCES ## UNDEFINED # protocol GUID installed on device handle
+ #
+ # This GUID is used to specify the device is the console output device.
+ # If the device is a console output device, this GUID as the protocol GUID will be installed
+ # onto this device handle.
+ #
+ gEfiConsoleOutDeviceGuid ## SOMETIMES_PRODUCES ## UNDEFINED # protocol GUID installed on device handle
+ #
+ # This GUID is used to specify the device is the console input device.
+ # If the device is a console input device, this GUID as the protocol GUID will be installed
+ # onto this device handle.
+ #
+ gEfiConsoleInDeviceGuid ## SOMETIMES_PRODUCES ## UNDEFINED # protocol GUID installed on device handle
+
+[Protocols]
+ gEfiDevicePathProtocolGuid ## TO_START
+ gEfiSimpleTextInProtocolGuid ## TO_START
+ gEfiSimpleTextOutProtocolGuid ## TO_START
+ gEfiPciIoProtocolGuid ## SOMETIMES_CONSUMES
+ gEfiGraphicsOutputProtocolGuid ## SOMETIMES_CONSUMES
+
+[UserExtensions.TianoCore."ExtraFiles"]
+ ConPlatformDxeExtra.uni \ No newline at end of file
diff --git a/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.uni b/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.uni
new file mode 100644
index 0000000000..b707a6d110
--- /dev/null
+++ b/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.uni
Binary files differ
diff --git a/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxeExtra.uni b/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxeExtra.uni
new file mode 100644
index 0000000000..1e1cc7ec6c
--- /dev/null
+++ b/Core/MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxeExtra.uni
Binary files differ