git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8084 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			1028 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1028 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
 | |
|   BDS Lib functions which contain all the code to connect console device
 | |
| 
 | |
| Copyright (c) 2004 - 2009, Intel Corporation. <BR>
 | |
| 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
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| 
 | |
| 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 "InternalBdsLib.h"
 | |
| #include "Bmp.h"
 | |
| 
 | |
| /**
 | |
|   Check if we need to save the EFI variable with "ConVarName" as name
 | |
|   as NV type
 | |
| 
 | |
|   @param ConVarName The name of the EFI variable.
 | |
| 
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|   @retval TRUE    Set the EFI variable as NV type.
 | |
|   @retval FALSE   EFI variable as NV type can be set NonNV.
 | |
| **/
 | |
| 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 != L'\0') {
 | |
|     Ptr++;
 | |
|   }
 | |
| 
 | |
|   if ((*(Ptr - 3) == 'D') && (*(Ptr - 2) == 'e') && (*(Ptr - 1) == 'v')) {
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|     return FALSE;
 | |
|   } else {
 | |
|     return TRUE;
 | |
|   }
 | |
| }
 | |
| 
 | |
| /**
 | |
|   Fill console handle in System Table if there are no valid console handle in.
 | |
| 
 | |
|   Firstly, check the validation of console handle in System Table. If it is invalid,
 | |
|   update it by the first console device handle from EFI console variable. 
 | |
| 
 | |
|   @param  VarName            The name of the EFI console variable.
 | |
|   @param  ConsoleGuid        Specified Console protocol GUID.
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|   @param  ConsoleHandle      On IN,  console handle in System Table to be checked. 
 | |
|                              On OUT, new console hanlde in system table.
 | |
|   @param  ProtocolInterface  On IN,  console protocol on console handle in System Table to be checked. 
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|                              On OUT, new console protocol on new console hanlde in system table.
 | |
| 
 | |
|   @retval TRUE               System Table has been updated.
 | |
|   @retval FALSE              System Table hasn't been updated.
 | |
| 
 | |
| **/
 | |
| BOOLEAN 
 | |
| UpdateSystemTableConsole (
 | |
|   IN     CHAR16                          *VarName,
 | |
|   IN     EFI_GUID                        *ConsoleGuid,
 | |
|   IN OUT EFI_HANDLE                      *ConsoleHandle,
 | |
|   IN OUT VOID                            **ProtocolInterface
 | |
|   )
 | |
| {
 | |
|   EFI_STATUS                Status;
 | |
|   UINTN                     DevicePathSize;
 | |
|   EFI_DEVICE_PATH_PROTOCOL  *FullDevicePath;
 | |
|   EFI_DEVICE_PATH_PROTOCOL  *VarConsole;
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|   EFI_DEVICE_PATH_PROTOCOL  *Instance;
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|   VOID                      *Interface;
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|   EFI_HANDLE                NewHandle;
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| 
 | |
|   ASSERT (VarName != NULL);
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|   ASSERT (ConsoleHandle != NULL);
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|   ASSERT (ConsoleGuid != NULL);
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|   ASSERT (ProtocolInterface != NULL);
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| 
 | |
|   if (*ConsoleHandle != NULL) {
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|     Status = gBS->HandleProtocol (
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|                    *ConsoleHandle,
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|                    ConsoleGuid,
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|                    &Interface
 | |
|                    );
 | |
|     if (Status == EFI_SUCCESS && Interface == *ProtocolInterface) {
 | |
|       //
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|       // If ConsoleHandle is valid and console protocol on this handle also
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|       // also matched, just return.
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|       //
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|       return FALSE;
 | |
|     }
 | |
|   }
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|   
 | |
|   //
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|   // Get all possible consoles device path from EFI variable
 | |
|   //
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|   VarConsole = BdsLibGetVariableAndSize (
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|                 VarName,
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|                 &gEfiGlobalVariableGuid,
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|                 &DevicePathSize
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|                 );
 | |
|   if (VarConsole == NULL) {
 | |
|     //
 | |
|     // If there is no any console device, just return.
 | |
|     //
 | |
|     return FALSE;
 | |
|   }
 | |
| 
 | |
|   FullDevicePath = VarConsole;
 | |
| 
 | |
|   do {
 | |
|     //
 | |
|     // Check every instance of the console variable
 | |
|     //
 | |
|     Instance  = GetNextDevicePathInstance (&VarConsole, &DevicePathSize);
 | |
|     if (Instance == NULL) {
 | |
|       FreePool (FullDevicePath);
 | |
|       ASSERT (FALSE);
 | |
|     }
 | |
|     
 | |
|     //
 | |
|     // Find console device handle by device path instance
 | |
|     //
 | |
|     Status = gBS->LocateDevicePath (
 | |
|                    ConsoleGuid,
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|                    &Instance,
 | |
|                    &NewHandle
 | |
|                    );
 | |
|     if (!EFI_ERROR (Status)) {
 | |
|       //
 | |
|       // Get the console protocol on this console device handle
 | |
|       //
 | |
|       Status = gBS->HandleProtocol (
 | |
|                      NewHandle,
 | |
|                      ConsoleGuid,
 | |
|                      &Interface
 | |
|                      );
 | |
|       if (!EFI_ERROR (Status)) {
 | |
|         //
 | |
|         // Update new console handle in System Table.
 | |
|         //
 | |
|         *ConsoleHandle     = NewHandle;
 | |
|         *ProtocolInterface = Interface;
 | |
|         return TRUE;
 | |
|       }
 | |
|     }
 | |
| 
 | |
|   } while (Instance != NULL);
 | |
| 
 | |
|   //
 | |
|   // No any available console devcie found.
 | |
|   //
 | |
|   return FALSE;
 | |
| }
 | |
| 
 | |
| /**
 | |
|   This function update console variable based on ConVarName, it can
 | |
|   add or remove one specific console device path from the variable
 | |
| 
 | |
|   @param  ConVarName               Console related variable name, ConIn, ConOut,
 | |
|                                    ErrOut.
 | |
|   @param  CustomizedConDevicePath  The console device path which will be added to
 | |
|                                    the console variable ConVarName, this parameter
 | |
|                                    can not be multi-instance.
 | |
|   @param  ExclusiveDevicePath      The console device path which will be removed
 | |
|                                    from the console variable ConVarName, this
 | |
|                                    parameter can not be multi-instance.
 | |
| 
 | |
|   @retval EFI_UNSUPPORTED          The added device path is same to the removed one.
 | |
|   @retval EFI_SUCCESS              Success add or remove the device path from  the
 | |
|                                    console variable.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| BdsLibUpdateConsoleVariable (
 | |
|   IN  CHAR16                    *ConVarName,
 | |
|   IN  EFI_DEVICE_PATH_PROTOCOL  *CustomizedConDevicePath,
 | |
|   IN  EFI_DEVICE_PATH_PROTOCOL  *ExclusiveDevicePath
 | |
|   )
 | |
| {
 | |
|   EFI_DEVICE_PATH_PROTOCOL  *VarConsole;
 | |
|   UINTN                     DevicePathSize;
 | |
|   EFI_DEVICE_PATH_PROTOCOL  *NewDevicePath;
 | |
|   EFI_DEVICE_PATH_PROTOCOL  *TempNewDevicePath;
 | |
|   UINT32                    Attributes;
 | |
| 
 | |
|   VarConsole      = NULL;
 | |
|   DevicePathSize  = 0;
 | |
| 
 | |
|   //
 | |
|   // Notes: check the device path point, here should check
 | |
|   // with compare memory
 | |
|   //
 | |
|   if (CustomizedConDevicePath == ExclusiveDevicePath) {
 | |
|     return EFI_UNSUPPORTED;
 | |
|   }
 | |
|   //
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|   // Delete the ExclusiveDevicePath from current default console
 | |
|   //
 | |
|   VarConsole = BdsLibGetVariableAndSize (
 | |
|                 ConVarName,
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|                 &gEfiGlobalVariableGuid,
 | |
|                 &DevicePathSize
 | |
|                 );
 | |
| 
 | |
|   //
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|   // Initialize NewDevicePath
 | |
|   //
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|   NewDevicePath  = VarConsole;
 | |
| 
 | |
|   //
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|   // If ExclusiveDevicePath is even the part of the instance in VarConsole, delete it.
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|   // In the end, NewDevicePath is the final device path.
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|   //
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|   if (ExclusiveDevicePath != NULL && VarConsole != NULL) {
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|       NewDevicePath = BdsLibDelPartMatchInstance (VarConsole, ExclusiveDevicePath);
 | |
|   }
 | |
|   //
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|   // Try to append customized device path to NewDevicePath.
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|   //
 | |
|   if (CustomizedConDevicePath != NULL) {
 | |
|     if (!BdsLibMatchDevicePaths (NewDevicePath, CustomizedConDevicePath)) {
 | |
|       //
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|       // Check if there is part of CustomizedConDevicePath in NewDevicePath, delete it.
 | |
|       //
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|       NewDevicePath = BdsLibDelPartMatchInstance (NewDevicePath, CustomizedConDevicePath);
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|       //
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|       // In the first check, the default console variable will be _ModuleEntryPoint,
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|       // just append current customized device path
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|       //
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|       TempNewDevicePath = NewDevicePath;
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|       NewDevicePath = AppendDevicePathInstance (NewDevicePath, CustomizedConDevicePath);
 | |
|       if (TempNewDevicePath != NULL) {
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|         FreePool(TempNewDevicePath);
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|       }
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|     }
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // 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) {
 | |
|     if (VarConsole != NULL) {
 | |
|       FreePool(VarConsole);
 | |
|     }
 | |
|   } else {
 | |
|     if (VarConsole != NULL) {
 | |
|       FreePool(VarConsole);
 | |
|     }
 | |
|     if (NewDevicePath != NULL) {
 | |
|       FreePool(NewDevicePath);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return EFI_SUCCESS;
 | |
| 
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|   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.
 | |
| 
 | |
|   @param  ConVarName               Console related variable name, ConIn, ConOut,
 | |
|                                    ErrOut.
 | |
| 
 | |
|   @retval EFI_NOT_FOUND            There is not any console devices connected
 | |
|                                    success
 | |
|   @retval EFI_SUCCESS              Success connect any one instance of the console
 | |
|                                    device path base on the variable ConVarName.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| BdsLibConnectConsoleVariable (
 | |
|   IN  CHAR16                 *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);
 | |
|     if (Instance == NULL) {
 | |
|       FreePool (StartDevicePath);
 | |
|       return EFI_UNSUPPORTED;
 | |
|     }
 | |
|     
 | |
|     Next      = Instance;
 | |
|     while (!IsDevicePathEndType (Next)) {
 | |
|       Next = NextDevicePathNode (Next);
 | |
|     }
 | |
| 
 | |
|     SetDevicePathEndNode (Next);
 | |
|     //
 | |
|     // Check USB1.1 console
 | |
|     //
 | |
|     if ((DevicePathType (Instance) == MESSAGING_DEVICE_PATH) &&
 | |
|        ((DevicePathSubType (Instance) == MSG_USB_CLASS_DP)
 | |
|        || (DevicePathSubType (Instance) == MSG_USB_WWID_DP)
 | |
|        )) {
 | |
|       //
 | |
|       // Check the Usb console in Usb2.0 bus firstly, then Usb1.1 bus
 | |
|       //
 | |
|       Status = BdsLibConnectUsbDevByShortFormDP (PCI_CLASSC_PI_EHCI, Instance);
 | |
|       if (!EFI_ERROR (Status)) {
 | |
|         DeviceExist = TRUE;
 | |
|       }
 | |
| 
 | |
|       Status = BdsLibConnectUsbDevByShortFormDP (PCI_CLASSC_PI_UHCI, Instance);
 | |
|       if (!EFI_ERROR (Status)) {
 | |
|         DeviceExist = TRUE;
 | |
|       }
 | |
|     } else {
 | |
|       //
 | |
|       // 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;
 | |
|       }
 | |
|     }
 | |
|     FreePool(Instance);
 | |
|   } while (CopyOfDevicePath != NULL);
 | |
| 
 | |
|   FreePool (StartDevicePath);
 | |
| 
 | |
|   if (!DeviceExist) {
 | |
|     return EFI_NOT_FOUND;
 | |
|   }
 | |
| 
 | |
|   return EFI_SUCCESS;
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|   This function will search every simpletext device in current system,
 | |
|   and make every simpletext device as pertantial console device.
 | |
| 
 | |
| **/
 | |
| VOID
 | |
| EFIAPI
 | |
| BdsLibConnectAllConsoles (
 | |
|   VOID
 | |
|   )
 | |
| {
 | |
|   UINTN                     Index;
 | |
|   EFI_DEVICE_PATH_PROTOCOL  *ConDevicePath;
 | |
|   UINTN                     HandleCount;
 | |
|   EFI_HANDLE                *HandleBuffer;
 | |
| 
 | |
|   Index         = 0;
 | |
|   HandleCount   = 0;
 | |
|   HandleBuffer  = NULL;
 | |
|   ConDevicePath = NULL;
 | |
| 
 | |
|   //
 | |
|   // Update all the console variables
 | |
|   //
 | |
|   gBS->LocateHandleBuffer (
 | |
|           ByProtocol,
 | |
|           &gEfiSimpleTextInProtocolGuid,
 | |
|           NULL,
 | |
|           &HandleCount,
 | |
|           &HandleBuffer
 | |
|           );
 | |
| 
 | |
|   for (Index = 0; Index < HandleCount; Index++) {
 | |
|     gBS->HandleProtocol (
 | |
|             HandleBuffer[Index],
 | |
|             &gEfiDevicePathProtocolGuid,
 | |
|             (VOID **) &ConDevicePath
 | |
|             );
 | |
|     BdsLibUpdateConsoleVariable (L"ConIn", ConDevicePath, NULL);
 | |
|   }
 | |
| 
 | |
|   if (HandleBuffer != NULL) {
 | |
|     FreePool(HandleBuffer);
 | |
|     HandleBuffer = NULL;
 | |
|   }
 | |
| 
 | |
|   gBS->LocateHandleBuffer (
 | |
|           ByProtocol,
 | |
|           &gEfiSimpleTextOutProtocolGuid,
 | |
|           NULL,
 | |
|           &HandleCount,
 | |
|           &HandleBuffer
 | |
|           );
 | |
|   for (Index = 0; Index < HandleCount; Index++) {
 | |
|     gBS->HandleProtocol (
 | |
|             HandleBuffer[Index],
 | |
|             &gEfiDevicePathProtocolGuid,
 | |
|             (VOID **) &ConDevicePath
 | |
|             );
 | |
|     BdsLibUpdateConsoleVariable (L"ConOut", ConDevicePath, NULL);
 | |
|     BdsLibUpdateConsoleVariable (L"ErrOut", ConDevicePath, NULL);
 | |
|   }
 | |
| 
 | |
|   if (HandleBuffer != NULL) {
 | |
|     FreePool(HandleBuffer);
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Connect all console variables
 | |
|   //
 | |
|   BdsLibConnectAllDefaultConsoles ();
 | |
| 
 | |
| }
 | |
| 
 | |
| /**
 | |
|   This function will connect console device base on the console
 | |
|   device variable ConIn, ConOut and ErrOut.
 | |
| 
 | |
|   @retval EFI_SUCCESS              At least one of the ConIn and ConOut device have
 | |
|                                    been connected success.
 | |
|   @retval EFI_STATUS               Return the status of BdsLibConnectConsoleVariable ().
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| BdsLibConnectAllDefaultConsoles (
 | |
|   VOID
 | |
|   )
 | |
| {
 | |
|   EFI_STATUS                Status;
 | |
|   BOOLEAN                   SystemTableUpdated;
 | |
| 
 | |
|   //
 | |
|   // Connect all default console variables
 | |
|   //
 | |
| 
 | |
|   //
 | |
|   // 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;
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Insert the performance probe for Console Out
 | |
|   //
 | |
|   PERF_START (NULL, "ConOut", "BDS", 1);
 | |
|   PERF_END (NULL, "ConOut", "BDS", 0);
 | |
| 
 | |
|   //
 | |
|   // 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");
 | |
| 
 | |
|   //
 | |
|   // The _ModuleEntryPoint err out var is legal.
 | |
|   //
 | |
|   BdsLibConnectConsoleVariable (L"ErrOut");
 | |
| 
 | |
|   SystemTableUpdated = FALSE;
 | |
|   //
 | |
|   // Fill console handles in System Table if no console device assignd.
 | |
|   //
 | |
|   if (UpdateSystemTableConsole (L"ConIn", &gEfiSimpleTextInProtocolGuid, &gST->ConsoleInHandle, (VOID **) &gST->ConIn)) {
 | |
|     SystemTableUpdated = TRUE;
 | |
|   }
 | |
|   if (UpdateSystemTableConsole (L"ConOut", &gEfiSimpleTextOutProtocolGuid, &gST->ConsoleOutHandle, (VOID **) &gST->ConOut)) {
 | |
|     SystemTableUpdated = TRUE;
 | |
|   }
 | |
|   if (UpdateSystemTableConsole (L"ErrOut", &gEfiSimpleTextOutProtocolGuid, &gST->StandardErrorHandle, (VOID **) &gST->StdErr)) {
 | |
|     SystemTableUpdated = TRUE;
 | |
|   }
 | |
| 
 | |
|   if (SystemTableUpdated) {
 | |
|     //
 | |
|     // Update the CRC32 in the EFI System Table header
 | |
|     //
 | |
|     gST->Hdr.CRC32 = 0;
 | |
|     gBS->CalculateCrc32 (
 | |
|           (UINT8 *) &gST->Hdr,
 | |
|           gST->Hdr.HeaderSize,
 | |
|           &gST->Hdr.CRC32
 | |
|           );
 | |
|   }
 | |
| 
 | |
|   return EFI_SUCCESS;
 | |
| 
 | |
| }
 | |
| 
 | |
| /**
 | |
|   Convert a *.BMP graphics image to a GOP blt buffer. If a NULL Blt buffer
 | |
|   is passed in a GopBlt buffer will be allocated by this routine. If a GopBlt
 | |
|   buffer is passed in it will be used if it is big enough.
 | |
| 
 | |
|   @param  BmpImage      Pointer to BMP file
 | |
|   @param  BmpImageSize  Number of bytes in BmpImage
 | |
|   @param  GopBlt        Buffer containing GOP version of BmpImage.
 | |
|   @param  GopBltSize    Size of GopBlt in bytes.
 | |
|   @param  PixelHeight   Height of GopBlt/BmpImage in pixels
 | |
|   @param  PixelWidth    Width of GopBlt/BmpImage in pixels
 | |
| 
 | |
|   @retval EFI_SUCCESS           GopBlt and GopBltSize are returned.
 | |
|   @retval EFI_UNSUPPORTED       BmpImage is not a valid *.BMP image
 | |
|   @retval EFI_BUFFER_TOO_SMALL  The passed in GopBlt buffer is not big enough.
 | |
|                                 GopBltSize will contain the required size.
 | |
|   @retval EFI_OUT_OF_RESOURCES  No enough buffer to allocate.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| ConvertBmpToGopBlt (
 | |
|   IN     VOID      *BmpImage,
 | |
|   IN     UINTN     BmpImageSize,
 | |
|   IN OUT VOID      **GopBlt,
 | |
|   IN OUT UINTN     *GopBltSize,
 | |
|      OUT UINTN     *PixelHeight,
 | |
|      OUT UINTN     *PixelWidth
 | |
|   )
 | |
| {
 | |
|   UINT8                         *Image;
 | |
|   UINT8                         *ImageHeader;
 | |
|   BMP_IMAGE_HEADER              *BmpHeader;
 | |
|   BMP_COLOR_MAP                 *BmpColorMap;
 | |
|   EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer;
 | |
|   EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;
 | |
|   UINT64                        BltBufferSize;
 | |
|   UINTN                         Index;
 | |
|   UINTN                         Height;
 | |
|   UINTN                         Width;
 | |
|   UINTN                         ImageIndex;
 | |
|   BOOLEAN                       IsAllocated;
 | |
| 
 | |
|   BmpHeader = (BMP_IMAGE_HEADER *) BmpImage;
 | |
| 
 | |
|   if (BmpHeader->CharB != 'B' || BmpHeader->CharM != 'M') {
 | |
|     return EFI_UNSUPPORTED;
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Doesn't support compress.
 | |
|   //
 | |
|   if (BmpHeader->CompressionType != 0) {
 | |
|     return EFI_UNSUPPORTED;
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Calculate Color Map offset in the image.
 | |
|   //
 | |
|   Image       = BmpImage;
 | |
|   BmpColorMap = (BMP_COLOR_MAP *) (Image + sizeof (BMP_IMAGE_HEADER));
 | |
| 
 | |
|   //
 | |
|   // Calculate graphics image data address in the image
 | |
|   //
 | |
|   Image         = ((UINT8 *) BmpImage) + BmpHeader->ImageOffset;
 | |
|   ImageHeader   = Image;
 | |
| 
 | |
|   //
 | |
|   // Calculate the BltBuffer needed size.
 | |
|   //
 | |
|   BltBufferSize = BmpHeader->PixelWidth * BmpHeader->PixelHeight * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
 | |
|   if (BltBufferSize >= SIZE_4GB) {
 | |
|     //
 | |
|     // If the BMP resolution is too large
 | |
|     //
 | |
|     return EFI_UNSUPPORTED;
 | |
|   }
 | |
|   
 | |
|   IsAllocated   = FALSE;
 | |
|   if (*GopBlt == NULL) {
 | |
|     //
 | |
|     // GopBlt is not allocated by caller.
 | |
|     //
 | |
|     *GopBltSize = (UINTN) BltBufferSize;
 | |
|     *GopBlt     = AllocatePool (*GopBltSize);
 | |
|     IsAllocated = TRUE;
 | |
|     if (*GopBlt == NULL) {
 | |
|       return EFI_OUT_OF_RESOURCES;
 | |
|     }
 | |
|   } else {
 | |
|     //
 | |
|     // GopBlt has been allocated by caller.
 | |
|     //
 | |
|     if (*GopBltSize < BltBufferSize) {
 | |
|       *GopBltSize = (UINTN) BltBufferSize;
 | |
|       return EFI_BUFFER_TOO_SMALL;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   *PixelWidth   = BmpHeader->PixelWidth;
 | |
|   *PixelHeight  = BmpHeader->PixelHeight;
 | |
| 
 | |
|   //
 | |
|   // Convert image from BMP to Blt buffer format
 | |
|   //
 | |
|   BltBuffer = *GopBlt;
 | |
|   for (Height = 0; Height < BmpHeader->PixelHeight; Height++) {
 | |
|     Blt = &BltBuffer[(BmpHeader->PixelHeight - Height - 1) * BmpHeader->PixelWidth];
 | |
|     for (Width = 0; Width < BmpHeader->PixelWidth; Width++, Image++, Blt++) {
 | |
|       switch (BmpHeader->BitPerPixel) {
 | |
|       case 1:
 | |
|         //
 | |
|         // Convert 1-bit (2 colors) BMP to 24-bit color
 | |
|         //
 | |
|         for (Index = 0; Index < 8 && Width < BmpHeader->PixelWidth; Index++) {
 | |
|           Blt->Red    = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Red;
 | |
|           Blt->Green  = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Green;
 | |
|           Blt->Blue   = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Blue;
 | |
|           Blt++;
 | |
|           Width++;
 | |
|         }
 | |
| 
 | |
|         Blt--;
 | |
|         Width--;
 | |
|         break;
 | |
| 
 | |
|       case 4:
 | |
|         //
 | |
|         // Convert 4-bit (16 colors) BMP Palette to 24-bit color
 | |
|         //
 | |
|         Index       = (*Image) >> 4;
 | |
|         Blt->Red    = BmpColorMap[Index].Red;
 | |
|         Blt->Green  = BmpColorMap[Index].Green;
 | |
|         Blt->Blue   = BmpColorMap[Index].Blue;
 | |
|         if (Width < (BmpHeader->PixelWidth - 1)) {
 | |
|           Blt++;
 | |
|           Width++;
 | |
|           Index       = (*Image) & 0x0f;
 | |
|           Blt->Red    = BmpColorMap[Index].Red;
 | |
|           Blt->Green  = BmpColorMap[Index].Green;
 | |
|           Blt->Blue   = BmpColorMap[Index].Blue;
 | |
|         }
 | |
|         break;
 | |
| 
 | |
|       case 8:
 | |
|         //
 | |
|         // Convert 8-bit (256 colors) BMP Palette to 24-bit color
 | |
|         //
 | |
|         Blt->Red    = BmpColorMap[*Image].Red;
 | |
|         Blt->Green  = BmpColorMap[*Image].Green;
 | |
|         Blt->Blue   = BmpColorMap[*Image].Blue;
 | |
|         break;
 | |
| 
 | |
|       case 24:
 | |
|         //
 | |
|         // It is 24-bit BMP.
 | |
|         //
 | |
|         Blt->Blue   = *Image++;
 | |
|         Blt->Green  = *Image++;
 | |
|         Blt->Red    = *Image;
 | |
|         break;
 | |
| 
 | |
|       default:
 | |
|         //
 | |
|         // Other bit format BMP is not supported.
 | |
|         //
 | |
|         if (IsAllocated) {
 | |
|           FreePool (*GopBlt);
 | |
|           *GopBlt = NULL;
 | |
|         }
 | |
|         return EFI_UNSUPPORTED;
 | |
|         break;
 | |
|       };
 | |
| 
 | |
|     }
 | |
| 
 | |
|     ImageIndex = (UINTN) (Image - ImageHeader);
 | |
|     if ((ImageIndex % 4) != 0) {
 | |
|       //
 | |
|       // Bmp Image starts each row on a 32-bit boundary!
 | |
|       //
 | |
|       Image = Image + (4 - (ImageIndex % 4));
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return EFI_SUCCESS;
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|   Use Console Control Protocol to lock the Console In Spliter virtual handle.
 | |
|   This is the ConInHandle and ConIn handle in the EFI system table. All key
 | |
|   presses will be ignored until the Password is typed in. The only way to
 | |
|   disable the password is to type it in to a ConIn device.
 | |
| 
 | |
|   @param  Password        Password used to lock ConIn device.
 | |
| 
 | |
|   @retval EFI_SUCCESS     lock the Console In Spliter virtual handle successfully.
 | |
|   @retval EFI_UNSUPPORTED Password not found
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| LockKeyboards (
 | |
|   IN  CHAR16    *Password
 | |
|   )
 | |
| {
 | |
|     return EFI_UNSUPPORTED;
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|   Use Console Control to turn off UGA based Simple Text Out consoles from going
 | |
|   to the UGA device. Put up LogoFile on every UGA device that is a console
 | |
| 
 | |
|   @param[in]  LogoFile   File name of logo to display on the center of the screen.
 | |
| 
 | |
|   @retval EFI_SUCCESS     ConsoleControl has been flipped to graphics and logo displayed.
 | |
|   @retval EFI_UNSUPPORTED Logo not found
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| EnableQuietBoot (
 | |
|   IN  EFI_GUID  *LogoFile
 | |
|   )
 | |
| {
 | |
|   EFI_STATUS                    Status;
 | |
|   EFI_OEM_BADGING_PROTOCOL      *Badging;
 | |
|   UINT32                        SizeOfX;
 | |
|   UINT32                        SizeOfY;
 | |
|   INTN                          DestX;
 | |
|   INTN                          DestY;
 | |
|   UINT8                         *ImageData;
 | |
|   UINTN                         ImageSize;
 | |
|   UINTN                         BltSize;
 | |
|   UINT32                        Instance;
 | |
|   EFI_BADGING_FORMAT            Format;
 | |
|   EFI_BADGING_DISPLAY_ATTRIBUTE Attribute;
 | |
|   UINTN                         CoordinateX;
 | |
|   UINTN                         CoordinateY;
 | |
|   UINTN                         Height;
 | |
|   UINTN                         Width;
 | |
|   EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;
 | |
|   EFI_UGA_DRAW_PROTOCOL         *UgaDraw;
 | |
|   UINT32                        ColorDepth;
 | |
|   UINT32                        RefreshRate;
 | |
|   EFI_GRAPHICS_OUTPUT_PROTOCOL  *GraphicsOutput;
 | |
| 
 | |
|   UgaDraw = NULL;
 | |
|   //
 | |
|   // Try to open GOP first
 | |
|   //
 | |
|   Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiGraphicsOutputProtocolGuid, (VOID **) &GraphicsOutput);
 | |
|   if (EFI_ERROR (Status) && FeaturePcdGet (PcdUgaConsumeSupport)) {
 | |
|     GraphicsOutput = NULL;
 | |
|     //
 | |
|     // Open GOP failed, try to open UGA
 | |
|     //
 | |
|     Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiUgaDrawProtocolGuid, (VOID **) &UgaDraw);
 | |
|   }
 | |
|   if (EFI_ERROR (Status)) {
 | |
|     return EFI_UNSUPPORTED;
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Erase Cursor from screen
 | |
|   //
 | |
|   gST->ConOut->EnableCursor (gST->ConOut, FALSE);
 | |
| 
 | |
|   Badging = NULL;
 | |
|   Status  = gBS->LocateProtocol (&gEfiOEMBadgingProtocolGuid, NULL, (VOID **) &Badging);
 | |
| 
 | |
|   if (GraphicsOutput != NULL) {
 | |
|     SizeOfX = GraphicsOutput->Mode->Info->HorizontalResolution;
 | |
|     SizeOfY = GraphicsOutput->Mode->Info->VerticalResolution;
 | |
| 
 | |
|   } else if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {
 | |
|     Status = UgaDraw->GetMode (UgaDraw, &SizeOfX, &SizeOfY, &ColorDepth, &RefreshRate);
 | |
|     if (EFI_ERROR (Status)) {
 | |
|       return EFI_UNSUPPORTED;
 | |
|     }
 | |
|   } else {
 | |
|     return EFI_UNSUPPORTED;
 | |
|   }
 | |
| 
 | |
|   Instance = 0;
 | |
|   while (1) {
 | |
|     ImageData = NULL;
 | |
|     ImageSize = 0;
 | |
| 
 | |
|     if (Badging != NULL) {
 | |
|       //
 | |
|       // Get image from OEMBadging protocol.
 | |
|       //
 | |
|       Status = Badging->GetImage (
 | |
|                           Badging,
 | |
|                           &Instance,
 | |
|                           &Format,
 | |
|                           &ImageData,
 | |
|                           &ImageSize,
 | |
|                           &Attribute,
 | |
|                           &CoordinateX,
 | |
|                           &CoordinateY
 | |
|                           );
 | |
|       if (EFI_ERROR (Status)) {
 | |
|         return Status;
 | |
|       }
 | |
| 
 | |
|       //
 | |
|       // Currently only support BMP format.
 | |
|       //
 | |
|       if (Format != EfiBadgingFormatBMP) {
 | |
|         if (ImageData != NULL) {
 | |
|           FreePool (ImageData);
 | |
|         }
 | |
|         continue;
 | |
|       }
 | |
|     } else {
 | |
|       //
 | |
|       // Get the specified image from FV.
 | |
|       //
 | |
|       Status = GetSectionFromAnyFv (LogoFile, EFI_SECTION_RAW, 0, (VOID **) &ImageData, &ImageSize);
 | |
|       if (EFI_ERROR (Status)) {
 | |
|         return EFI_UNSUPPORTED;
 | |
|       }
 | |
| 
 | |
|       CoordinateX = 0;
 | |
|       CoordinateY = 0;
 | |
|       Attribute   = EfiBadgingDisplayAttributeCenter;
 | |
|     }
 | |
| 
 | |
|     Blt = NULL;
 | |
|     Status = ConvertBmpToGopBlt (
 | |
|               ImageData,
 | |
|               ImageSize,
 | |
|               (VOID **) &Blt,
 | |
|               &BltSize,
 | |
|               &Height,
 | |
|               &Width
 | |
|               );
 | |
|     if (EFI_ERROR (Status)) {
 | |
|       FreePool (ImageData);
 | |
| 
 | |
|       if (Badging == NULL) {
 | |
|         return Status;
 | |
|       } else {
 | |
|         continue;
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     //
 | |
|     // Calculate the display position according to Attribute.
 | |
|     //
 | |
|     switch (Attribute) {
 | |
|     case EfiBadgingDisplayAttributeLeftTop:
 | |
|       DestX = CoordinateX;
 | |
|       DestY = CoordinateY;
 | |
|       break;
 | |
| 
 | |
|     case EfiBadgingDisplayAttributeCenterTop:
 | |
|       DestX = (SizeOfX - Width) / 2;
 | |
|       DestY = CoordinateY;
 | |
|       break;
 | |
| 
 | |
|     case EfiBadgingDisplayAttributeRightTop:
 | |
|       DestX = (SizeOfX - Width - CoordinateX);
 | |
|       DestY = CoordinateY;;
 | |
|       break;
 | |
| 
 | |
|     case EfiBadgingDisplayAttributeCenterRight:
 | |
|       DestX = (SizeOfX - Width - CoordinateX);
 | |
|       DestY = (SizeOfY - Height) / 2;
 | |
|       break;
 | |
| 
 | |
|     case EfiBadgingDisplayAttributeRightBottom:
 | |
|       DestX = (SizeOfX - Width - CoordinateX);
 | |
|       DestY = (SizeOfY - Height - CoordinateY);
 | |
|       break;
 | |
| 
 | |
|     case EfiBadgingDisplayAttributeCenterBottom:
 | |
|       DestX = (SizeOfX - Width) / 2;
 | |
|       DestY = (SizeOfY - Height - CoordinateY);
 | |
|       break;
 | |
| 
 | |
|     case EfiBadgingDisplayAttributeLeftBottom:
 | |
|       DestX = CoordinateX;
 | |
|       DestY = (SizeOfY - Height - CoordinateY);
 | |
|       break;
 | |
| 
 | |
|     case EfiBadgingDisplayAttributeCenterLeft:
 | |
|       DestX = CoordinateX;
 | |
|       DestY = (SizeOfY - Height) / 2;
 | |
|       break;
 | |
| 
 | |
|     case EfiBadgingDisplayAttributeCenter:
 | |
|       DestX = (SizeOfX - Width) / 2;
 | |
|       DestY = (SizeOfY - Height) / 2;
 | |
|       break;
 | |
| 
 | |
|     default:
 | |
|       DestX = CoordinateX;
 | |
|       DestY = CoordinateY;
 | |
|       break;
 | |
|     }
 | |
| 
 | |
|     if ((DestX >= 0) && (DestY >= 0)) {
 | |
|       if (GraphicsOutput != NULL) {
 | |
|         Status = GraphicsOutput->Blt (
 | |
|                             GraphicsOutput,
 | |
|                             Blt,
 | |
|                             EfiBltBufferToVideo,
 | |
|                             0,
 | |
|                             0,
 | |
|                             (UINTN) DestX,
 | |
|                             (UINTN) DestY,
 | |
|                             Width,
 | |
|                             Height,
 | |
|                             Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
 | |
|                             );
 | |
|       } else if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {
 | |
|         Status = UgaDraw->Blt (
 | |
|                             UgaDraw,
 | |
|                             (EFI_UGA_PIXEL *) Blt,
 | |
|                             EfiUgaBltBufferToVideo,
 | |
|                             0,
 | |
|                             0,
 | |
|                             (UINTN) DestX,
 | |
|                             (UINTN) DestY,
 | |
|                             Width,
 | |
|                             Height,
 | |
|                             Width * sizeof (EFI_UGA_PIXEL)
 | |
|                             );
 | |
|       } else {
 | |
|       Status = EFI_UNSUPPORTED;
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     FreePool (ImageData);
 | |
| 
 | |
|     if (Blt != NULL) {
 | |
|       FreePool (Blt);
 | |
|     }
 | |
| 
 | |
|     if (Badging == NULL) {
 | |
|       break;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return Status;
 | |
| }
 | |
| 
 | |
| /**
 | |
|   Use Console Control to turn on UGA based Simple Text Out consoles. The UGA
 | |
|   Simple Text Out screens will now be synced up with all non UGA output devices
 | |
| 
 | |
|   @retval EFI_SUCCESS     UGA devices are back in text mode and synced up.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| DisableQuietBoot (
 | |
|   VOID
 | |
|   )
 | |
| {
 | |
| 
 | |
|   //
 | |
|   // Enable Cursor on Screen
 | |
|   //
 | |
|   gST->ConOut->EnableCursor (gST->ConOut, TRUE);
 | |
|   return EFI_SUCCESS;
 | |
| }
 | |
| 
 |