diff options
Diffstat (limited to 'EdkModulePkg/Universal/ConPlatform/Dxe/ConPlatform.c')
| -rw-r--r-- | EdkModulePkg/Universal/ConPlatform/Dxe/ConPlatform.c | 868 |
1 files changed, 0 insertions, 868 deletions
diff --git a/EdkModulePkg/Universal/ConPlatform/Dxe/ConPlatform.c b/EdkModulePkg/Universal/ConPlatform/Dxe/ConPlatform.c deleted file mode 100644 index 1972e0c6aa..0000000000 --- a/EdkModulePkg/Universal/ConPlatform/Dxe/ConPlatform.c +++ /dev/null @@ -1,868 +0,0 @@ -/*++
-
-Copyright (c) 2006 - 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:
-
- ConPlatform.c
-
-Abstract:
-
---*/
-
-#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
-};
-
-EFI_STATUS
-EFIAPI
-ConPlatformTextInDriverBindingSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-/*++
-
-Routine Description:
- Supported
-
-Arguments:
- (Standard DriverBinding Protocol Supported() function)
-
-Returns:
-
- None
-
---*/
-{
- return ConPlatformDriverBindingSupported (
- This,
- ControllerHandle,
- RemainingDevicePath,
- &gEfiSimpleTextInProtocolGuid
- );
-}
-
-EFI_STATUS
-EFIAPI
-ConPlatformTextOutDriverBindingSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-/*++
-
-Routine Description:
- Supported
-
-Arguments:
- (Standard DriverBinding Protocol Supported() function)
-
-Returns:
-
- None
-
---*/
-{
- return ConPlatformDriverBindingSupported (
- This,
- ControllerHandle,
- RemainingDevicePath,
- &gEfiSimpleTextOutProtocolGuid
- );
-}
-
-EFI_STATUS
-ConPlatformDriverBindingSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath,
- IN EFI_GUID *ProtocolGuid
- )
-/*++
-
-Routine Description:
- Supported
-
-Arguments:
- (Standard DriverBinding Protocol Supported() function)
-
-Returns:
-
- None
-
---*/
-{
- EFI_STATUS Status;
- VOID *Interface;
-
- //
- // Test to see if this is a physical device by checking to see 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 Simple Text Output 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;
-}
-
-EFI_STATUS
-EFIAPI
-ConPlatformTextInDriverBindingStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-/*++
-
-Routine Description:
-
-
-Arguments:
- (Standard DriverBinding Protocol Start() function)
-
-Returns:
-
-
---*/
-{
- EFI_STATUS Status;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
- EFI_SIMPLE_TEXT_IN_PROTOCOL *TextIn;
-
- //
- // 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 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 the device handle, 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 (This->DriverBindingHandle, ControllerHandle)) {
- gBS->InstallMultipleProtocolInterfaces (
- &ControllerHandle,
- &gEfiConsoleInDeviceGuid,
- NULL,
- NULL
- );
- } else {
- //
- // Append the device path to the ConInDev environment variable
- //
- ConPlatformUpdateDeviceVariable (
- VarConsoleInpDev,
- DevicePath,
- APPEND
- );
-
- //
- // If the device path is an instance in the ConIn environment variable,
- // then install EfiConsoleInDeviceGuid onto ControllerHandle
- //
- Status = ConPlatformUpdateDeviceVariable (
- VarConsoleInp,
- DevicePath,
- CHECK
- );
-
- if (!EFI_ERROR (Status)) {
- gBS->InstallMultipleProtocolInterfaces (
- &ControllerHandle,
- &gEfiConsoleInDeviceGuid,
- NULL,
- NULL
- );
- } else {
- gBS->CloseProtocol (
- ControllerHandle,
- &gEfiSimpleTextInProtocolGuid,
- This->DriverBindingHandle,
- ControllerHandle
- );
- }
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-EFIAPI
-ConPlatformTextOutDriverBindingStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-/*++
-
-Routine Description:
-
-
-Arguments:
- (Standard DriverBinding Protocol Start() function)
-
-Returns:
-
-
---*/
-{
- EFI_STATUS Status;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
- EFI_SIMPLE_TEXT_OUT_PROTOCOL *TextOut;
- BOOLEAN NeedClose;
-
- 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 the device handle, if it is a hot plug device,
- // do not put the device path into ConOutDev and StdErrDev,
- // and install gEfiConsoleOutDeviceGuid to the device handle directly.
- // The policy is, make hot plug device plug in and play immediately.
- //
- if (IsHotPlugDevice (This->DriverBindingHandle, ControllerHandle)) {
- gBS->InstallMultipleProtocolInterfaces (
- &ControllerHandle,
- &gEfiConsoleOutDeviceGuid,
- NULL,
- NULL
- );
- } else {
- //
- // Append the device path to the ConOutDev environment variable
- //
- ConPlatformUpdateDeviceVariable (
- VarConsoleOutDev,
- DevicePath,
- APPEND
- );
- //
- // Append the device path to the StdErrDev environment variable
- //
- ConPlatformUpdateDeviceVariable (
- VarErrorOutDev,
- DevicePath,
- APPEND
- );
-
- //
- // If the device path is an instance in the ConOut environment variable,
- // then install EfiConsoleOutDeviceGuid onto ControllerHandle
- //
- Status = ConPlatformUpdateDeviceVariable (
- VarConsoleOut,
- DevicePath,
- CHECK
- );
-
- if (!EFI_ERROR (Status)) {
- NeedClose = FALSE;
- Status = gBS->InstallMultipleProtocolInterfaces (
- &ControllerHandle,
- &gEfiConsoleOutDeviceGuid,
- NULL,
- NULL
- );
- }
- //
- // If the device path is an instance in the StdErr environment variable,
- // then install EfiStandardErrorDeviceGuid onto ControllerHandle
- //
- Status = ConPlatformUpdateDeviceVariable (
- VarErrorOut,
- DevicePath,
- CHECK
- );
- if (!EFI_ERROR (Status)) {
- NeedClose = FALSE;
- gBS->InstallMultipleProtocolInterfaces (
- &ControllerHandle,
- &gEfiStandardErrorDeviceGuid,
- NULL,
- NULL
- );
- }
-
- if (NeedClose) {
- gBS->CloseProtocol (
- ControllerHandle,
- &gEfiSimpleTextOutProtocolGuid,
- This->DriverBindingHandle,
- ControllerHandle
- );
- }
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-EFIAPI
-ConPlatformTextInDriverBindingStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
- )
-/*++
-
-Routine Description:
-
-Arguments:
- (Standard DriverBinding Protocol Stop() function)
-
-Returns:
-
- None
-
---*/
-{
- EFI_STATUS Status;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
-
- //
- // hot plug device is not included into the console associated variables,
- // so no need to check variable for those hot plug devices.
- //
- if (!IsHotPlugDevice (This->DriverBindingHandle, ControllerHandle)) {
- //
- // 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)) {
- //
- // Remove DevicePath from ConInDev
- //
- ConPlatformUpdateDeviceVariable (
- VarConsoleInpDev,
- DevicePath,
- DELETE
- );
- }
- }
- //
- // Uninstall the Console Device GUIDs from Controller Handle
- //
- ConPlatformUnInstallProtocol (
- This,
- ControllerHandle,
- &gEfiConsoleInDeviceGuid
- );
-
- //
- // Close the Simple Input Protocol
- //
- gBS->CloseProtocol (
- ControllerHandle,
- &gEfiSimpleTextInProtocolGuid,
- This->DriverBindingHandle,
- ControllerHandle
- );
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-EFIAPI
-ConPlatformTextOutDriverBindingStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
- )
-/*++
-
-Routine Description:
-
-Arguments:
- (Standard DriverBinding Protocol Stop() function)
-
-Returns:
-
- None
-
---*/
-{
- EFI_STATUS Status;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
-
- //
- // hot plug device is not included into the console associated variables,
- // so no need to check variable for those hot plug devices.
- //
- if (!IsHotPlugDevice (This->DriverBindingHandle, ControllerHandle)) {
- //
- // 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)) {
- //
- // Remove DevicePath from ConOutDev, and StdErrDev
- //
- ConPlatformUpdateDeviceVariable (
- VarConsoleOutDev,
- DevicePath,
- DELETE
- );
- ConPlatformUpdateDeviceVariable (
- VarErrorOutDev,
- 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;
-}
-
-
-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 ;
-}
-
-VOID *
-ConPlatformGetVariable (
- IN CHAR16 *Name
- )
-/*++
-
-Routine Description:
- Read the EFI variable (Name) and return a dynamically allocated
- buffer, and the size of the buffer. On failure return NULL.
-
-Arguments:
- Name - String part of EFI variable name
-
-Returns:
- Dynamically allocated memory that contains a copy of the EFI variable.
- Caller is repsoncible freeing the buffer.
-
- NULL - Variable was not read
-
---*/
-{
- EFI_STATUS Status;
- VOID *Buffer;
- UINTN BufferSize;
-
- BufferSize = 0;
- Buffer = NULL;
-
- //
- // Test to see if the variable exists. If it doesn't reuturn 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);
- Buffer = NULL;
- }
- }
-
- return Buffer;
-}
-
-EFI_STATUS
-ConPlatformMatchDevicePaths (
- IN EFI_DEVICE_PATH_PROTOCOL * Multi,
- IN EFI_DEVICE_PATH_PROTOCOL * Single,
- IN EFI_DEVICE_PATH_PROTOCOL **NewDevicePath OPTIONAL,
- IN BOOLEAN Delete
- )
-/*++
-
-Routine Description:
- Function compares a device path data structure to that of all the nodes of a
- second device path instance.
-
-Arguments:
- Multi - A pointer to a multi-instance device path data structure.
-
- Single - A pointer to a single-instance device path data structure.
-
- 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.)
-
- Delete - If TRUE, means removing Single from Multi.
- If FALSE, the routine just check whether Single matches
- with any instance in Multi.
-
-Returns:
-
- The function returns EFI_SUCCESS if the Single is contained within Multi.
- Otherwise, EFI_NOT_FOUND is returned.
-
---*/
-{
- 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) || (!Single)) {
- return EFI_NOT_FOUND;
- }
- //
- // if performing Delete operation, the NewDevicePath must not be NULL.
- //
- TempDevicePath1 = NULL;
-
- DevicePath = Multi;
- DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);
-
- //
- // search for the match of 'Single' in 'Multi'
- //
- while (DevicePathInst) {
- if (CompareMem (Single, DevicePathInst, Size) == 0) {
- if (!Delete) {
- FreePool (DevicePathInst);
- return EFI_SUCCESS;
- }
- } else {
- if (Delete) {
- TempDevicePath2 = AppendDevicePathInstance (
- TempDevicePath1,
- DevicePathInst
- );
- if (TempDevicePath1 != NULL) {
- FreePool (TempDevicePath1);
- }
- TempDevicePath1 = TempDevicePath2;
- }
- }
-
- FreePool (DevicePathInst);
- DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);
- }
-
- if (Delete) {
- *NewDevicePath = TempDevicePath1;
- return EFI_SUCCESS;
- }
-
- return EFI_NOT_FOUND;
-}
-
-EFI_STATUS
-ConPlatformUpdateDeviceVariable (
- IN CHAR16 *VariableName,
- IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
- IN CONPLATFORM_VAR_OPERATION Operation
- )
-/*++
-
-Routine Description:
-
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-{
- 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) {
-
- Status = ConPlatformMatchDevicePaths (
- VariableDevicePath,
- DevicePath,
- NULL,
- FALSE
- );
-
- if ((Operation == CHECK) || (!EFI_ERROR (Status))) {
- //
- // The device path is already in the variable
- //
- if (VariableDevicePath != NULL) {
- FreePool (VariableDevicePath);
- }
-
- return Status;
- }
- //
- // The device path is not in variable. Append DevicePath to the
- // environment variable that is a multi-instance device path.
- //
- Status = EFI_SUCCESS;
- NewVariableDevicePath = AppendDevicePathInstance (
- VariableDevicePath,
- DevicePath
- );
- if (NewVariableDevicePath == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- }
-
- } else {
- //
- // 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;
- }
-
- Status = gRT->SetVariable (
- VariableName,
- &gEfiGlobalVariableGuid,
- EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
- GetDevicePathSize (NewVariableDevicePath),
- NewVariableDevicePath
- );
-
- FreePool (NewVariableDevicePath);
-
- return Status;
-}
-
-BOOLEAN
-IsHotPlugDevice (
- EFI_HANDLE DriverBindingHandle,
- EFI_HANDLE ControllerHandle
- )
-{
- EFI_STATUS Status;
-
- //
- // HotPlugDeviceGuid indicates ControllerHandle stands for a hot plug device.
- //
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiHotPlugDeviceGuid,
- NULL,
- DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_TEST_PROTOCOL
- );
- if (EFI_ERROR (Status)) {
- return FALSE;
- }
-
- return TRUE;
-}
|