Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com> Reviewed-by: Jeff Fan <jeff.fan@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15642 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			104 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
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|   Initialize Debug Agent in DXE by invoking Debug Agent Library.
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| 
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| Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.<BR>
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| This program and the accompanying materials                          
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| are licensed and made available under the terms and conditions of the BSD License         
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| which accompanies this distribution.  The full text of the license may be found at        
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| http://opensource.org/licenses/bsd-license.php                                            
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|                                                                                           
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| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
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| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
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| 
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| **/
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| 
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| #include <PiDxe.h>
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| #include <Guid/EventGroup.h>
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| #include <Library/UefiBootServicesTableLib.h>
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| #include <Library/DebugAgentLib.h>
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| 
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| EFI_EVENT       mExitBootServiceEvent; 
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| 
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| /**
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|   One notified function to disable Debug Timer interrupt when gBS->ExitBootServices() called.
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| 
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|   @param[in]  Event              Pointer to this event
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|   @param[in]  Context            Event handler private data
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| 
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| **/
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| VOID
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| EFIAPI
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| DisableDebugTimerExitBootService (
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|   EFI_EVENT                      Event,
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|   VOID                           *Context
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|   )
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| 
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| {
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|   SaveAndSetDebugTimerInterrupt (FALSE);
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| }
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| 
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| /**
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|   The Entry Point for Debug Agent Dxe driver.
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| 
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|   It will invoke Debug Agent Library to enable source debugging feature in DXE phase.
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| 
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|   @param[in] ImageHandle    The firmware allocated handle for the EFI image.
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|   @param[in] SystemTable    A pointer to the EFI System Table.
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| 
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|   @retval EFI_SUCCESS       The entry point is executed successfully.
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|   @retval other             Some error occurs when initialzed Debug Agent.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| DebugAgentDxeInitialize(
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|   IN EFI_HANDLE           ImageHandle,
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|   IN EFI_SYSTEM_TABLE     *SystemTable
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|   )
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| {
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|   EFI_STATUS      Status;
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| 
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|   Status = EFI_UNSUPPORTED;
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|   InitializeDebugAgent (DEBUG_AGENT_INIT_DXE_LOAD, &Status, NULL);
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|   if (EFI_ERROR (Status)) {
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|     return Status;
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|   }
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|   //
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|   // Create event to disable Debug Timer interrupt when exit boot service.
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|   //
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|   Status = gBS->CreateEventEx (
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|                   EVT_NOTIFY_SIGNAL,
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|                   TPL_NOTIFY,
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|                   DisableDebugTimerExitBootService,
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|                   NULL,
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|                   &gEfiEventExitBootServicesGuid,
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|                   &mExitBootServiceEvent
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|                   );
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|   return Status;
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| }
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| 
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| /**
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|   This is the unload handle for Debug Agent Dxe driver.
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| 
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|   It will invoke Debug Agent Library to disable source debugging feature.
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| 
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|   @param[in]  ImageHandle       The drivers' driver image.
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| 
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|   @retval EFI_SUCCESS           The image is unloaded.
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|   @retval Others                Failed to unload the image.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| DebugAgentDxeUnload (
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|   IN EFI_HANDLE           ImageHandle
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|   )
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| {
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|   EFI_STATUS          Status;
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| 
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|   Status = EFI_UNSUPPORTED;
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|   InitializeDebugAgent (DEBUG_AGENT_INIT_DXE_UNLOAD, &Status, NULL);
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| 
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|   return Status;
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| }
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