Vlv2TbltDevicePkg/Feature/Capsule/SystemFirmwareDescriptor/SystemFirmwareDescriptor.aslc

/** @file
  System Firmware descriptor.

  Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
  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

  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 <PiPei.h>
#include <Protocol/FirmwareManagement.h>
#include <Guid/EdkiiSystemFmpCapsule.h>

#define PACKAGE_VERSION                     0xFFFFFFFF
#define PACKAGE_VERSION_STRING              L"Unknown"

#define CURRENT_FIRMWARE_VERSION            0x00000002
#define CURRENT_FIRMWARE_VERSION_STRING     L"0x00000002"
#define LOWEST_SUPPORTED_FIRMWARE_VERSION   0x00000001

#define IMAGE_ID                            SIGNATURE_64('V', 'L', 'V', '2', '_', '_', 'F', 'd')
#define IMAGE_ID_STRING                     L"Vlv2Fd"

// PcdSystemFmpCapsuleImageTypeIdGuid
#define IMAGE_TYPE_ID_GUID                  { 0x4096267b, 0xda0a, 0x42eb, { 0xb5, 0xeb, 0xfe, 0xf3, 0x1d, 0x20, 0x7c, 0xb4 } }

typedef struct {
  EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR  Descriptor;
  // real string data
  CHAR16                                  ImageIdNameStr[sizeof(IMAGE_ID_STRING)/sizeof(CHAR16)];
  CHAR16                                  VersionNameStr[sizeof(CURRENT_FIRMWARE_VERSION_STRING)/sizeof(CHAR16)];
  CHAR16                                  PackageVersionNameStr[sizeof(PACKAGE_VERSION_STRING)/sizeof(CHAR16)];
} IMAGE_DESCRIPTOR;

IMAGE_DESCRIPTOR mImageDescriptor =
{
  {
    EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR_SIGNATURE,
    sizeof(EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR),
    sizeof(IMAGE_DESCRIPTOR),
    PACKAGE_VERSION,                                       // PackageVersion
    OFFSET_OF (IMAGE_DESCRIPTOR, PackageVersionNameStr),   // PackageVersionName
    1,                                                     // ImageIndex;
    {0x0},                                                 // Reserved
    IMAGE_TYPE_ID_GUID,                                    // ImageTypeId;
    IMAGE_ID,                                              // ImageId;
    OFFSET_OF (IMAGE_DESCRIPTOR, ImageIdNameStr),          // ImageIdName;
    CURRENT_FIRMWARE_VERSION,                              // Version;
    OFFSET_OF (IMAGE_DESCRIPTOR, VersionNameStr),          // VersionName;
    {0x0},                                                 // Reserved2
    FixedPcdGet32(PcdFlashAreaSize),                       // Size;
    IMAGE_ATTRIBUTE_IMAGE_UPDATABLE |
      IMAGE_ATTRIBUTE_RESET_REQUIRED |
      IMAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED |
      IMAGE_ATTRIBUTE_IN_USE,                              // AttributesSupported;
    IMAGE_ATTRIBUTE_IMAGE_UPDATABLE |
      IMAGE_ATTRIBUTE_RESET_REQUIRED |
      IMAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED |
      IMAGE_ATTRIBUTE_IN_USE,                              // AttributesSetting;
    0x0,                                                   // Compatibilities;
    LOWEST_SUPPORTED_FIRMWARE_VERSION,                     // LowestSupportedImageVersion;
    0x00000000,                                            // LastAttemptVersion;
    0,                                                     // LastAttemptStatus;
    {0x0},                                                 // Reserved3
    0,                                                     // HardwareInstance;
  },
  // real string data
  {IMAGE_ID_STRING},
  {CURRENT_FIRMWARE_VERSION_STRING},
  {PACKAGE_VERSION_STRING},
};


VOID*
ReferenceAcpiTable (
  VOID
  )
{
  //
  // Reference the table being generated to prevent the optimizer from
  // removing the data structure from the executable
  //
  return (VOID*)&mImageDescriptor;
}