DxeServicesTableLib.c

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#include <PiDxe.h>
#include <Guid/DxeServices.h>
#include <Library/DxeServicesTableLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiLib.h>
 
//
// Cache copy of the DXE Services Table
//
EFI_DXE_SERVICES  *gDS = NULL;
 
EFI_STATUS
EFIAPI
DxeServicesTableLibConstructor (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_STATUS  Status;
 
  //
  // Cache copy of the DXE Services Table
  //
  Status = EfiGetSystemConfigurationTable (&gEfiDxeServicesTableGuid, (VOID **)&gDS);
  ASSERT_EFI_ERROR (Status);
  ASSERT (gDS != NULL);
 
  return Status;
}