IntelFsp2Pkg BaseFspPlatformLib: Remove Boot Loader tempram Migration

[mirror_edk2.git] / IntelFsp2Pkg / Library / BaseFspPlatformLib / FspPlatformMemory.c

/** @file\r
\r
  Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>\r
  This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php.\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include <PiPei.h>\r
#include <Library/BaseLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/PcdLib.h>\r
#include <Library/HobLib.h>\r
#include <Library/PeiServicesLib.h>\r
#include <Library/FspCommonLib.h>\r
#include <FspGlobalData.h>\r
#include <FspEas.h>\r
\r
/**\r
  Get system memory resource descriptor by owner.\r
\r
  @param[in] OwnerGuid   resource owner guid\r
**/\r
EFI_HOB_RESOURCE_DESCRIPTOR *\r
EFIAPI\r
FspGetResourceDescriptorByOwner (\r
  IN EFI_GUID   *OwnerGuid\r
  )\r
{\r
  EFI_PEI_HOB_POINTERS    Hob;\r
\r
  //\r
  // Get the HOB list for processing\r
  //\r
  Hob.Raw = GetHobList ();\r
\r
  //\r
  // Collect memory ranges\r
  //\r
  while (!END_OF_HOB_LIST (Hob)) {\r
    if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r
      if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) && \\r
          (CompareGuid (&Hob.ResourceDescriptor->Owner, OwnerGuid))) {\r
        return  Hob.ResourceDescriptor;                     \r
      }\r
    }\r
    Hob.Raw = GET_NEXT_HOB (Hob);\r
  }\r
  \r
  return NULL;\r
}\r
\r
/**\r
  Get system memory from HOB.\r
\r
  @param[in,out] LowMemoryLength   less than 4G memory length\r
  @param[in,out] HighMemoryLength  greater than 4G memory length\r
**/\r
VOID\r
EFIAPI\r
FspGetSystemMemorySize (\r
  IN OUT UINT64              *LowMemoryLength,\r
  IN OUT UINT64              *HighMemoryLength\r
  )\r
{\r
  EFI_STATUS                  Status;\r
  EFI_BOOT_MODE               BootMode;\r
  EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute;\r
  EFI_PEI_HOB_POINTERS        Hob;\r
\r
  ResourceAttribute = (\r
                       EFI_RESOURCE_ATTRIBUTE_PRESENT |\r
                       EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r
                       EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r
                       EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r
                       EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r
                       EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE\r
                       );\r
\r
  Status = PeiServicesGetBootMode (&BootMode);\r
  ASSERT_EFI_ERROR (Status);\r
\r
  if (BootMode != BOOT_ON_S3_RESUME) {\r
    ResourceAttribute |= EFI_RESOURCE_ATTRIBUTE_TESTED;\r
  }\r
\r
  *HighMemoryLength = 0;\r
  *LowMemoryLength  = SIZE_1MB;\r
  //\r
  // Get the HOB list for processing\r
  //\r
  Hob.Raw = GetHobList ();\r
\r
  //\r
  // Collect memory ranges\r
  //\r
  while (!END_OF_HOB_LIST (Hob)) {\r
    if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r
      if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) ||\r
          ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) &&\r
           (Hob.ResourceDescriptor->ResourceAttribute == ResourceAttribute))) {\r
        //\r
        // Need memory above 1MB to be collected here\r
        //\r
        if (Hob.ResourceDescriptor->PhysicalStart >= BASE_1MB &&\r
            Hob.ResourceDescriptor->PhysicalStart < (EFI_PHYSICAL_ADDRESS) BASE_4GB) {\r
          *LowMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);\r
        } else if (Hob.ResourceDescriptor->PhysicalStart >= (EFI_PHYSICAL_ADDRESS) BASE_4GB) {\r
          *HighMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);\r
        }\r
      }\r
    }\r
    Hob.Raw = GET_NEXT_HOB (Hob);\r
  }\r
}\r