OvmfPkg: extract varstore-related FD Layout Regions to an include file

This saves code duplication between the Ia32, Ia32X64, and X64 flavors,
and enables the next patch to include the varstore in new FD files by
reference.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15669 6f19259b-4bc3-4df7-8a09-765794883524

4 files changed, 87 insertions, 198 deletions

diff --git a/OvmfPkg/OvmfPkgIa32.fdf b/OvmfPkg/OvmfPkgIa32.fdf
index 76b868dde..f47655cb6 100644
--- a/OvmfPkg/OvmfPkgIa32.fdf
+++ b/OvmfPkg/OvmfPkgIa32.fdf
@@ -44,72 +44,7 @@ BlockSize     = 0x1000|gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareBlockSize
 NumBlocks     = 0x200

 !endif

 

-0x00000000|0x0000e000

-gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase|gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize

-#NV_VARIABLE_STORE

-DATA = {

-  ## This is the EFI_FIRMWARE_VOLUME_HEADER

-  # ZeroVector []

-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

-  # FileSystemGuid: gEfiSystemNvDataFvGuid         =

-  #   { 0xFFF12B8D, 0x7696, 0x4C8B,

-  #     { 0xA9, 0x85, 0x27, 0x47, 0x07, 0x5B, 0x4F, 0x50 }}

-  0x8D, 0x2B, 0xF1, 0xFF, 0x96, 0x76, 0x8B, 0x4C,

-  0xA9, 0x85, 0x27, 0x47, 0x07, 0x5B, 0x4F, 0x50,

-  # FvLength: 0x20000

-  0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,

-  # Signature "_FVH"       # Attributes

-  0x5f, 0x46, 0x56, 0x48, 0xff, 0xfe, 0x04, 0x00,

-  # HeaderLength # CheckSum # ExtHeaderOffset #Reserved #Revision

-  0x48, 0x00, 0x19, 0xF9, 0x00, 0x00, 0x00, 0x02,

-  # Blockmap[0]: 0x20 Blocks * 0x1000 Bytes / Block

-  0x20, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,

-  # Blockmap[1]: End

-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

-  ## This is the VARIABLE_STORE_HEADER

-!if $(SECURE_BOOT_ENABLE) == TRUE

-  # Signature: gEfiAuthenticatedVariableGuid =

-  #   { 0xaaf32c78, 0x947b, 0x439a,

-  #     { 0xa1, 0x80, 0x2e, 0x14, 0x4e, 0xc3, 0x77, 0x92 }}

-  0x78, 0x2c, 0xf3, 0xaa, 0x7b, 0x94, 0x9a, 0x43,

-  0xa1, 0x80, 0x2e, 0x14, 0x4e, 0xc3, 0x77, 0x92,

-!else

-  # Signature: gEfiVariableGuid =

-  #   { 0xddcf3616, 0x3275, 0x4164,

-  #     { 0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d }}

-  0x16, 0x36, 0xcf, 0xdd, 0x75, 0x32, 0x64, 0x41,

-  0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d,

-!endif

-  # Size: 0xe000 (gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize) -

-  #         0x48 (size of EFI_FIRMWARE_VOLUME_HEADER) = 0xdfb8

-  # This can speed up the Variable Dispatch a bit.

-  0xB8, 0xDF, 0x00, 0x00,

-  # FORMATTED: 0x5A #HEALTHY: 0xFE #Reserved: UINT16 #Reserved1: UINT32

-  0x5A, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00

-}

-

-0x0000e000|0x00001000

-#NV_EVENT_LOG

-gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogBase|gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogSize

-

-0x0000f000|0x00001000

-gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase|gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize

-#NV_FTW_WORKING

-DATA = {

-  # EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER->Signature = gEdkiiWorkingBlockSignatureGuid         =

-  #  { 0x9e58292b, 0x7c68, 0x497d, { 0xa0, 0xce, 0x65,  0x0, 0xfd, 0x9f, 0x1b, 0x95 }}

-  0x2b, 0x29, 0x58, 0x9e, 0x68, 0x7c, 0x7d, 0x49,

-  0xa0, 0xce, 0x65,  0x0, 0xfd, 0x9f, 0x1b, 0x95,

-  # Crc:UINT32            #WorkingBlockValid:1, WorkingBlockInvalid:1, Reserved

-  0x2c, 0xaf, 0x2c, 0x64, 0xFE, 0xFF, 0xFF, 0xFF,

-  # WriteQueueSize: UINT64

-  0xE0, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00

-}

-

-0x00010000|0x00010000

-#NV_FTW_SPARE

-gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwSpareBase|gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize

+!include VarStore.fdf.inc

 

 !ifdef $(FD_SIZE_1MB)

 0x00020000|0x000CC000

diff --git a/OvmfPkg/OvmfPkgIa32X64.fdf b/OvmfPkg/OvmfPkgIa32X64.fdf
index e037b7229..dd705a83f 100644
--- a/OvmfPkg/OvmfPkgIa32X64.fdf
+++ b/OvmfPkg/OvmfPkgIa32X64.fdf
@@ -44,72 +44,7 @@ BlockSize     = 0x1000|gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareBlockSize
 NumBlocks     = 0x200

 !endif

 

-0x00000000|0x0000e000

-gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase|gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize

-#NV_VARIABLE_STORE

-DATA = {

-  ## This is the EFI_FIRMWARE_VOLUME_HEADER

-  # ZeroVector []

-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

-  # FileSystemGuid: gEfiSystemNvDataFvGuid         =

-  #   { 0xFFF12B8D, 0x7696, 0x4C8B,

-  #     { 0xA9, 0x85, 0x27, 0x47, 0x07, 0x5B, 0x4F, 0x50 }}

-  0x8D, 0x2B, 0xF1, 0xFF, 0x96, 0x76, 0x8B, 0x4C,

-  0xA9, 0x85, 0x27, 0x47, 0x07, 0x5B, 0x4F, 0x50,

-  # FvLength: 0x20000

-  0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,

-  # Signature "_FVH"       # Attributes

-  0x5f, 0x46, 0x56, 0x48, 0xff, 0xfe, 0x04, 0x00,

-  # HeaderLength # CheckSum # ExtHeaderOffset #Reserved #Revision

-  0x48, 0x00, 0x19, 0xF9, 0x00, 0x00, 0x00, 0x02,

-  # Blockmap[0]: 0x20 Blocks * 0x1000 Bytes / Block

-  0x20, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,

-  # Blockmap[1]: End

-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

-  ## This is the VARIABLE_STORE_HEADER

-!if $(SECURE_BOOT_ENABLE) == TRUE

-  # Signature: gEfiAuthenticatedVariableGuid =

-  #   { 0xaaf32c78, 0x947b, 0x439a,

-  #     { 0xa1, 0x80, 0x2e, 0x14, 0x4e, 0xc3, 0x77, 0x92 }}

-  0x78, 0x2c, 0xf3, 0xaa, 0x7b, 0x94, 0x9a, 0x43,

-  0xa1, 0x80, 0x2e, 0x14, 0x4e, 0xc3, 0x77, 0x92,

-!else

-  # Signature: gEfiVariableGuid =

-  #   { 0xddcf3616, 0x3275, 0x4164,

-  #     { 0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d }}

-  0x16, 0x36, 0xcf, 0xdd, 0x75, 0x32, 0x64, 0x41,

-  0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d,

-!endif

-  # Size: 0xe000 (gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize) -

-  #         0x48 (size of EFI_FIRMWARE_VOLUME_HEADER) = 0xdfb8

-  # This can speed up the Variable Dispatch a bit.

-  0xB8, 0xDF, 0x00, 0x00,

-  # FORMATTED: 0x5A #HEALTHY: 0xFE #Reserved: UINT16 #Reserved1: UINT32

-  0x5A, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00

-}

-

-0x0000e000|0x00001000

-#NV_EVENT_LOG

-gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogBase|gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogSize

-

-0x0000f000|0x00001000

-gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase|gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize

-#NV_FTW_WORKING

-DATA = {

-  # EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER->Signature = gEdkiiWorkingBlockSignatureGuid         =

-  #  { 0x9e58292b, 0x7c68, 0x497d, { 0xa0, 0xce, 0x65,  0x0, 0xfd, 0x9f, 0x1b, 0x95 }}

-  0x2b, 0x29, 0x58, 0x9e, 0x68, 0x7c, 0x7d, 0x49,

-  0xa0, 0xce, 0x65,  0x0, 0xfd, 0x9f, 0x1b, 0x95,

-  # Crc:UINT32            #WorkingBlockValid:1, WorkingBlockInvalid:1, Reserved

-  0x2c, 0xaf, 0x2c, 0x64, 0xFE, 0xFF, 0xFF, 0xFF,

-  # WriteQueueSize: UINT64

-  0xE0, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00

-}

-

-0x00010000|0x00010000

-#NV_FTW_SPARE

-gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwSpareBase|gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize

+!include VarStore.fdf.inc

 

 !ifdef $(FD_SIZE_1MB)

 0x00020000|0x000CC000

diff --git a/OvmfPkg/OvmfPkgX64.fdf b/OvmfPkg/OvmfPkgX64.fdf
index b9e9c59fa..6ec8e883c 100644
--- a/OvmfPkg/OvmfPkgX64.fdf
+++ b/OvmfPkg/OvmfPkgX64.fdf
@@ -44,72 +44,7 @@ BlockSize     = 0x1000|gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareBlockSize
 NumBlocks     = 0x200

 !endif

 

-0x00000000|0x0000e000

-gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase|gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize

-#NV_VARIABLE_STORE

-DATA = {

-  ## This is the EFI_FIRMWARE_VOLUME_HEADER

-  # ZeroVector []

-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

-  # FileSystemGuid: gEfiSystemNvDataFvGuid         =

-  #   { 0xFFF12B8D, 0x7696, 0x4C8B,

-  #     { 0xA9, 0x85, 0x27, 0x47, 0x07, 0x5B, 0x4F, 0x50 }}

-  0x8D, 0x2B, 0xF1, 0xFF, 0x96, 0x76, 0x8B, 0x4C,

-  0xA9, 0x85, 0x27, 0x47, 0x07, 0x5B, 0x4F, 0x50,

-  # FvLength: 0x20000

-  0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,

-  # Signature "_FVH"       # Attributes

-  0x5f, 0x46, 0x56, 0x48, 0xff, 0xfe, 0x04, 0x00,

-  # HeaderLength # CheckSum # ExtHeaderOffset #Reserved #Revision

-  0x48, 0x00, 0x19, 0xF9, 0x00, 0x00, 0x00, 0x02,

-  # Blockmap[0]: 0x20 Blocks * 0x1000 Bytes / Block

-  0x20, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,

-  # Blockmap[1]: End

-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

-  ## This is the VARIABLE_STORE_HEADER

-!if $(SECURE_BOOT_ENABLE) == TRUE

-  # Signature: gEfiAuthenticatedVariableGuid =

-  #   { 0xaaf32c78, 0x947b, 0x439a,

-  #     { 0xa1, 0x80, 0x2e, 0x14, 0x4e, 0xc3, 0x77, 0x92 }}

-  0x78, 0x2c, 0xf3, 0xaa, 0x7b, 0x94, 0x9a, 0x43,

-  0xa1, 0x80, 0x2e, 0x14, 0x4e, 0xc3, 0x77, 0x92,

-!else

-  # Signature: gEfiVariableGuid =

-  #   { 0xddcf3616, 0x3275, 0x4164,

-  #     { 0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d }}

-  0x16, 0x36, 0xcf, 0xdd, 0x75, 0x32, 0x64, 0x41,

-  0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d,

-!endif

-  # Size: 0xe000 (gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize) -

-  #         0x48 (size of EFI_FIRMWARE_VOLUME_HEADER) = 0xdfb8

-  # This can speed up the Variable Dispatch a bit.

-  0xB8, 0xDF, 0x00, 0x00,

-  # FORMATTED: 0x5A #HEALTHY: 0xFE #Reserved: UINT16 #Reserved1: UINT32

-  0x5A, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00

-}

-

-0x0000e000|0x00001000

-#NV_EVENT_LOG

-gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogBase|gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogSize

-

-0x0000f000|0x00001000

-gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase|gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize

-#NV_FTW_WORKING

-DATA = {

-  # EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER->Signature = gEdkiiWorkingBlockSignatureGuid         =

-  #  { 0x9e58292b, 0x7c68, 0x497d, { 0xa0, 0xce, 0x65,  0x0, 0xfd, 0x9f, 0x1b, 0x95 }}

-  0x2b, 0x29, 0x58, 0x9e, 0x68, 0x7c, 0x7d, 0x49,

-  0xa0, 0xce, 0x65,  0x0, 0xfd, 0x9f, 0x1b, 0x95,

-  # Crc:UINT32            #WorkingBlockValid:1, WorkingBlockInvalid:1, Reserved

-  0x2c, 0xaf, 0x2c, 0x64, 0xFE, 0xFF, 0xFF, 0xFF,

-  # WriteQueueSize: UINT64

-  0xE0, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00

-}

-

-0x00010000|0x00010000

-#NV_FTW_SPARE

-gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwSpareBase|gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize

+!include VarStore.fdf.inc

 

 !ifdef $(FD_SIZE_1MB)

 0x00020000|0x000CC000

diff --git a/OvmfPkg/VarStore.fdf.inc b/OvmfPkg/VarStore.fdf.inc
new file mode 100644
index 000000000..59b46988b
--- /dev/null
+++ b/OvmfPkg/VarStore.fdf.inc
@@ -0,0 +1,84 @@
+## @file

+#  FDF include file with Layout Regions that define an empty variable store.

+#

+#  Copyright (C) 2014, Red Hat, Inc.

+#  Copyright (c) 2006 - 2013, 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.

+#

+##

+

+0x00000000|0x0000e000

+gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase|gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize

+#NV_VARIABLE_STORE

+DATA = {

+  ## This is the EFI_FIRMWARE_VOLUME_HEADER

+  # ZeroVector []

+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

+  # FileSystemGuid: gEfiSystemNvDataFvGuid         =

+  #   { 0xFFF12B8D, 0x7696, 0x4C8B,

+  #     { 0xA9, 0x85, 0x27, 0x47, 0x07, 0x5B, 0x4F, 0x50 }}

+  0x8D, 0x2B, 0xF1, 0xFF, 0x96, 0x76, 0x8B, 0x4C,

+  0xA9, 0x85, 0x27, 0x47, 0x07, 0x5B, 0x4F, 0x50,

+  # FvLength: 0x20000

+  0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,

+  # Signature "_FVH"       # Attributes

+  0x5f, 0x46, 0x56, 0x48, 0xff, 0xfe, 0x04, 0x00,

+  # HeaderLength # CheckSum # ExtHeaderOffset #Reserved #Revision

+  0x48, 0x00, 0x19, 0xF9, 0x00, 0x00, 0x00, 0x02,

+  # Blockmap[0]: 0x20 Blocks * 0x1000 Bytes / Block

+  0x20, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,

+  # Blockmap[1]: End

+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

+  ## This is the VARIABLE_STORE_HEADER

+!if $(SECURE_BOOT_ENABLE) == TRUE

+  # Signature: gEfiAuthenticatedVariableGuid =

+  #   { 0xaaf32c78, 0x947b, 0x439a,

+  #     { 0xa1, 0x80, 0x2e, 0x14, 0x4e, 0xc3, 0x77, 0x92 }}

+  0x78, 0x2c, 0xf3, 0xaa, 0x7b, 0x94, 0x9a, 0x43,

+  0xa1, 0x80, 0x2e, 0x14, 0x4e, 0xc3, 0x77, 0x92,

+!else

+  # Signature: gEfiVariableGuid =

+  #   { 0xddcf3616, 0x3275, 0x4164,

+  #     { 0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d }}

+  0x16, 0x36, 0xcf, 0xdd, 0x75, 0x32, 0x64, 0x41,

+  0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d,

+!endif

+  # Size: 0xe000 (gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize) -

+  #         0x48 (size of EFI_FIRMWARE_VOLUME_HEADER) = 0xdfb8

+  # This can speed up the Variable Dispatch a bit.

+  0xB8, 0xDF, 0x00, 0x00,

+  # FORMATTED: 0x5A #HEALTHY: 0xFE #Reserved: UINT16 #Reserved1: UINT32

+  0x5A, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00

+}

+

+0x0000e000|0x00001000

+#NV_EVENT_LOG

+gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogBase|gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogSize

+

+0x0000f000|0x00001000

+gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase|gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize

+#NV_FTW_WORKING

+DATA = {

+  # EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER->Signature = gEdkiiWorkingBlockSignatureGuid         =

+  #  { 0x9e58292b, 0x7c68, 0x497d, { 0xa0, 0xce, 0x65,  0x0, 0xfd, 0x9f, 0x1b, 0x95 }}

+  0x2b, 0x29, 0x58, 0x9e, 0x68, 0x7c, 0x7d, 0x49,

+  0xa0, 0xce, 0x65,  0x0, 0xfd, 0x9f, 0x1b, 0x95,

+  # Crc:UINT32            #WorkingBlockValid:1, WorkingBlockInvalid:1, Reserved

+  0x2c, 0xaf, 0x2c, 0x64, 0xFE, 0xFF, 0xFF, 0xFF,

+  # WriteQueueSize: UINT64

+  0xE0, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00

+}

+

+0x00010000|0x00010000

+#NV_FTW_SPARE

+gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwSpareBase|gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize

+