diff options
Diffstat (limited to 'EdkNt32Pkg/Library/EdkGenericBdsLib/BdsConsole.c')
| -rw-r--r-- | EdkNt32Pkg/Library/EdkGenericBdsLib/BdsConsole.c | 394 |
1 files changed, 0 insertions, 394 deletions
diff --git a/EdkNt32Pkg/Library/EdkGenericBdsLib/BdsConsole.c b/EdkNt32Pkg/Library/EdkGenericBdsLib/BdsConsole.c deleted file mode 100644 index 96a1f4b9fd..0000000000 --- a/EdkNt32Pkg/Library/EdkGenericBdsLib/BdsConsole.c +++ /dev/null @@ -1,394 +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:
-
- BdsConsole.c
-
-Abstract:
-
- BDS Lib functions which contain all the code to connect console device
-
---*/
-
-BOOLEAN
-IsNvNeed (
- IN CHAR16 *ConVarName
- )
-{
- CHAR16 *Ptr;
-
- Ptr = ConVarName;
-
- //
- // If the variable includes "Dev" at last, we consider
- // it does not support NV attribute.
- //
- while (*Ptr) {
- Ptr++;
- }
-
- if ((*(Ptr - 3) == 'D') && (*(Ptr - 2) == 'e') && (*(Ptr - 1) == 'v')) {
- return FALSE;
- } else {
- return TRUE;
- }
-}
-
-EFI_STATUS
-BdsLibUpdateConsoleVariable (
- IN CHAR16 *ConVarName,
- IN EFI_DEVICE_PATH_PROTOCOL *CustomizedConDevicePath,
- IN EFI_DEVICE_PATH_PROTOCOL *ExclusiveDevicePath
- )
-/*++
-
-Routine Description:
-
- This function update console variable based on ConVarName, it can
- add or remove one specific console device path from the variable
-
-Arguments:
-
- ConVarName - Console related variable name, ConIn, ConOut, ErrOut.
-
- CustomizedConDevicePath - The console device path which will be added to
- the console variable ConVarName, this parameter
- can not be multi-instance.
-
- ExclusiveDevicePath - The console device path which will be removed
- from the console variable ConVarName, this
- parameter can not be multi-instance.
-
-Returns:
-
- EFI_UNSUPPORTED - Add or remove the same device path.
-
- EFI_SUCCESS - Success add or remove the device path from
- the console variable.
-
---*/
-{
- EFI_STATUS Status;
- EFI_DEVICE_PATH_PROTOCOL *VarConsole;
- UINTN DevicePathSize;
- EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
- EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;
- UINT32 Attributes;
-
- VarConsole = NULL;
- DevicePathSize = 0;
- Status = EFI_UNSUPPORTED;
-
- //
- // Notes: check the device path point, here should check
- // with compare memory
- //
- if (CustomizedConDevicePath == ExclusiveDevicePath) {
- return EFI_UNSUPPORTED;
- }
- //
- // Delete the ExclusiveDevicePath from current default console
- //
- VarConsole = BdsLibGetVariableAndSize (
- ConVarName,
- &gEfiGlobalVariableGuid,
- &DevicePathSize
- );
-
- //
- // Initialize NewDevicePath
- //
- NewDevicePath = VarConsole;
-
- //
- // If ExclusiveDevicePath is even the part of the instance in VarConsole, delete it.
- // In the end, NewDevicePath is the final device path.
- //
- if (ExclusiveDevicePath != NULL && VarConsole != NULL) {
- NewDevicePath = BdsLibDelPartMatchInstance (VarConsole, ExclusiveDevicePath);
- }
- //
- // Try to append customized device path to NewDevicePath.
- //
- if (CustomizedConDevicePath != NULL) {
- if (!BdsLibMatchDevicePaths (NewDevicePath, CustomizedConDevicePath)) {
- //
- // Check if there is part of CustomizedConDevicePath in NewDevicePath, delete it.
- //
- NewDevicePath = BdsLibDelPartMatchInstance (NewDevicePath, CustomizedConDevicePath);
- //
- // In the first check, the default console variable will be null,
- // just append current customized device path
- //
- TempNewDevicePath = NewDevicePath;
- NewDevicePath = AppendDevicePathInstance (NewDevicePath, CustomizedConDevicePath);
- BdsLibSafeFreePool(TempNewDevicePath);
- }
- }
-
- //
- // The attribute for ConInDev, ConOutDev and ErrOutDev does not include NV.
- //
- if (IsNvNeed(ConVarName)) {
- //
- // ConVarName has NV attribute.
- //
- Attributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE;
- } else {
- //
- // ConVarName does not have NV attribute.
- //
- Attributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS;
- }
-
- //
- // Finally, Update the variable of the default console by NewDevicePath
- //
- gRT->SetVariable (
- ConVarName,
- &gEfiGlobalVariableGuid,
- Attributes,
- GetDevicePathSize (NewDevicePath),
- NewDevicePath
- );
-
- if (VarConsole == NewDevicePath) {
- BdsLibSafeFreePool(VarConsole);
- } else {
- BdsLibSafeFreePool(VarConsole);
- BdsLibSafeFreePool(NewDevicePath);
- }
-
- return EFI_SUCCESS;
-
-}
-
-EFI_STATUS
-BdsLibConnectConsoleVariable (
- IN CHAR16 *ConVarName
- )
-/*++
-
-Routine Description:
-
- Connect the console device base on the variable ConVarName, if
- device path of the ConVarName is multi-instance device path, if
- anyone of the instances is connected success, then this function
- will return success.
-
-Arguments:
-
- ConVarName - Console related variable name, ConIn, ConOut, ErrOut.
-
-Returns:
-
- EFI_NOT_FOUND - There is not any console devices connected success
-
- EFI_SUCCESS - Success connect any one instance of the console
- device path base on the variable ConVarName.
-
---*/
-{
- EFI_STATUS Status;
- EFI_DEVICE_PATH_PROTOCOL *StartDevicePath;
- UINTN VariableSize;
- EFI_DEVICE_PATH_PROTOCOL *Instance;
- EFI_DEVICE_PATH_PROTOCOL *Next;
- EFI_DEVICE_PATH_PROTOCOL *CopyOfDevicePath;
- UINTN Size;
- BOOLEAN DeviceExist;
-
- Status = EFI_SUCCESS;
- DeviceExist = FALSE;
-
- //
- // Check if the console variable exist
- //
- StartDevicePath = BdsLibGetVariableAndSize (
- ConVarName,
- &gEfiGlobalVariableGuid,
- &VariableSize
- );
- if (StartDevicePath == NULL) {
- return EFI_UNSUPPORTED;
- }
-
- CopyOfDevicePath = StartDevicePath;
- do {
- //
- // Check every instance of the console variable
- //
- Instance = GetNextDevicePathInstance (&CopyOfDevicePath, &Size);
- Next = Instance;
- while (!IsDevicePathEndType (Next)) {
- Next = NextDevicePathNode (Next);
- }
-
- SetDevicePathEndNode (Next);
-
- //
- // Connect the instance device path
- //
- Status = BdsLibConnectDevicePath (Instance);
- if (EFI_ERROR (Status)) {
- //
- // Delete the instance from the console varialbe
- //
- BdsLibUpdateConsoleVariable (ConVarName, NULL, Instance);
- } else {
- DeviceExist = TRUE;
- }
- BdsLibSafeFreePool(Instance);
- } while (CopyOfDevicePath != NULL);
-
- FreePool (StartDevicePath);
-
- if (DeviceExist == FALSE) {
- return EFI_NOT_FOUND;
- }
-
- return EFI_SUCCESS;
-}
-
-VOID
-BdsLibConnectAllConsoles (
- VOID
- )
-/*++
-
-Routine Description:
-
- This function will search every simpletxt devive in current system,
- and make every simpletxt device as pertantial console device.
-
-Arguments:
-
- None
-
-Returns:
-
- None
-
---*/
-{
- EFI_STATUS Status;
- UINTN Index;
- EFI_DEVICE_PATH_PROTOCOL *ConDevicePath;
- UINTN HandleCount;
- EFI_HANDLE *HandleBuffer;
-
- Index = 0;
- HandleCount = 0;
- HandleBuffer = NULL;
- ConDevicePath = NULL;
-
- //
- // Update all the console varables
- //
- Status = gBS->LocateHandleBuffer (
- ByProtocol,
- &gEfiSimpleTextInProtocolGuid,
- NULL,
- &HandleCount,
- &HandleBuffer
- );
- for (Index = 0; Index < HandleCount; Index++) {
- Status = gBS->HandleProtocol (
- HandleBuffer[Index],
- &gEfiDevicePathProtocolGuid,
- (VOID **) &ConDevicePath
- );
- BdsLibUpdateConsoleVariable (L"ConIn", ConDevicePath, NULL);
- }
-
- BdsLibSafeFreePool(HandleBuffer);
-
- Status = gBS->LocateHandleBuffer (
- ByProtocol,
- &gEfiSimpleTextOutProtocolGuid,
- NULL,
- &HandleCount,
- &HandleBuffer
- );
- for (Index = 0; Index < HandleCount; Index++) {
- Status = gBS->HandleProtocol (
- HandleBuffer[Index],
- &gEfiDevicePathProtocolGuid,
- (VOID **) &ConDevicePath
- );
- BdsLibUpdateConsoleVariable (L"ConOut", ConDevicePath, NULL);
- BdsLibUpdateConsoleVariable (L"ErrOut", ConDevicePath, NULL);
- }
-
- BdsLibSafeFreePool(HandleBuffer);
-
- //
- // Connect all console variables
- //
- BdsLibConnectAllDefaultConsoles ();
-
-}
-
-EFI_STATUS
-BdsLibConnectAllDefaultConsoles (
- VOID
- )
-/*++
-
-Routine Description:
-
- This function will connect console device base on the console
- device variable ConIn, ConOut and ErrOut.
-
-Arguments:
-
- None
-
-Returns:
-
- EFI_SUCCESS - At least one of the ConIn and ConOut device have
- been connected success.
-
- EFI_STATUS - Return the status of BdsLibConnectConsoleVariable ().
-
---*/
-{
- EFI_STATUS Status;
-
- //
- // Connect all default console variables
- //
-
- //
- // Because possibly the platform is legacy free, in such case,
- // ConIn devices (Serial Port and PS2 Keyboard ) does not exist,
- // so we need not check the status.
- //
- BdsLibConnectConsoleVariable (L"ConIn");
-
- //
- // It seems impossible not to have any ConOut device on platform,
- // so we check the status here.
- //
- Status = BdsLibConnectConsoleVariable (L"ConOut");
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Special treat the err out device, becaues the null
- // err out var is legal.
- //
- BdsLibConnectConsoleVariable (L"ErrOut");
-
- return EFI_SUCCESS;
-
-}
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