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	REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the MdeModulePkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
		
			
				
	
	
		
			72 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/** @file
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  ARM specifc functionality for DxeLoad.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "DxeIpl.h"
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#include <Library/ArmMmuLib.h>
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/**
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   Transfers control to DxeCore.
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   This function performs a CPU architecture specific operations to execute
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   the entry point of DxeCore with the parameters of HobList.
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   It also installs EFI_END_OF_PEI_PPI to signal the end of PEI phase.
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   @param DxeCoreEntryPoint         The entry point of DxeCore.
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   @param HobList                   The start of HobList passed to DxeCore.
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**/
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VOID
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HandOffToDxeCore (
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  IN EFI_PHYSICAL_ADDRESS  DxeCoreEntryPoint,
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  IN EFI_PEI_HOB_POINTERS  HobList
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  )
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{
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  VOID        *BaseOfStack;
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  VOID        *TopOfStack;
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  EFI_STATUS  Status;
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  //
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  // Allocate 128KB for the Stack
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  //
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  BaseOfStack = AllocatePages (EFI_SIZE_TO_PAGES (STACK_SIZE));
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  ASSERT (BaseOfStack != NULL);
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  if (PcdGetBool (PcdSetNxForStack)) {
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    Status = ArmSetMemoryRegionNoExec ((UINTN)BaseOfStack, STACK_SIZE);
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    ASSERT_EFI_ERROR (Status);
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  }
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  //
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  // Compute the top of the stack we were allocated. Pre-allocate a UINTN
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  // for safety.
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  //
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  TopOfStack = (VOID *)((UINTN)BaseOfStack + EFI_SIZE_TO_PAGES (STACK_SIZE) * EFI_PAGE_SIZE - CPU_STACK_ALIGNMENT);
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  TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT);
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  //
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  // End of PEI phase singal
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  //
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  Status = PeiServicesInstallPpi (&gEndOfPeiSignalPpi);
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  ASSERT_EFI_ERROR (Status);
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  //
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  // Update the contents of BSP stack HOB to reflect the real stack info passed to DxeCore.
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  //
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  UpdateStackHob ((EFI_PHYSICAL_ADDRESS)(UINTN)BaseOfStack, STACK_SIZE);
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  SwitchStack (
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    (SWITCH_STACK_ENTRY_POINT)(UINTN)DxeCoreEntryPoint,
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    HobList.Raw,
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    NULL,
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    TopOfStack
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    );
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}
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