Files
system76-edk2/OvmfPkg/AmdSev/AmdSevX64.fdf
James Bottomley b261a30c90 OvmfPkg/AmdSev: add Grub Firmware Volume Package
This is used to package up the grub bootloader into a firmware volume
where it can be executed as a shell like the UEFI Shell.  Grub itself
is built as a minimal entity into a Fv and then added as a boot
option.  By default the UEFI shell isn't built but for debugging
purposes it can be enabled and will then be presented as a boot option
(This should never be allowed for secure boot in an external data
centre but may be useful for local debugging).  Finally all other boot
options except grub and possibly the shell are stripped and the boot
timeout forced to 0 so the system will not enter a setup menu and will
only boot to grub.  This is done by copying the
Library/PlatformBootManagerLib into Library/PlatformBootManagerLibGrub
and then customizing it.

Boot failure is fatal to try to prevent secret theft.

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3077
Signed-off-by: James Bottomley <jejb@linux.ibm.com>
Message-Id: <20201130202819.3910-4-jejb@linux.ibm.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
[lersek@redhat.com: replace local variable initialization with assignment]
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
[lersek@redhat.com: squash 'OvmfPkg: add "gGrubFileGuid=Grub" to
 GuidCheck.IgnoreDuplicates', reviewed stand-alone by Phil (msgid
 <e6eae551-8563-ccfb-5547-7a97da6d46e5@redhat.com>) and Ard (msgid
 <10aeda37-def6-d9a4-6e02-4c66c1492f57@arm.com>)]
2020-12-14 19:56:18 +00:00

452 lines
15 KiB
Plaintext

## @file
# Open Virtual Machine Firmware: FDF
#
# Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
# (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
##
################################################################################
[Defines]
!include OvmfPkg/OvmfPkgDefines.fdf.inc
#
# Build the variable store and the firmware code as one unified flash device
# image.
#
[FD.OVMF]
BaseAddress = $(FW_BASE_ADDRESS)
Size = $(FW_SIZE)
ErasePolarity = 1
BlockSize = $(BLOCK_SIZE)
NumBlocks = $(FW_BLOCKS)
!include OvmfPkg/VarStore.fdf.inc
$(VARS_SIZE)|$(FVMAIN_SIZE)
FV = FVMAIN_COMPACT
$(SECFV_OFFSET)|$(SECFV_SIZE)
FV = SECFV
################################################################################
[FD.MEMFD]
BaseAddress = $(MEMFD_BASE_ADDRESS)
Size = 0xD00000
ErasePolarity = 1
BlockSize = 0x10000
NumBlocks = 0xD0
0x000000|0x006000
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPageTablesBase|gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPageTablesSize
0x006000|0x001000
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfLockBoxStorageBase|gUefiOvmfPkgTokenSpaceGuid.PcdOvmfLockBoxStorageSize
0x007000|0x001000
gEfiMdePkgTokenSpaceGuid.PcdGuidedExtractHandlerTableAddress|gUefiOvmfPkgTokenSpaceGuid.PcdGuidedExtractHandlerTableSize
0x008000|0x001000
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecGhcbPageTableBase|gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecGhcbPageTableSize
0x009000|0x002000
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecGhcbBase|gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecGhcbSize
0x00B000|0x001000
gUefiCpuPkgTokenSpaceGuid.PcdSevEsWorkAreaBase|gUefiCpuPkgTokenSpaceGuid.PcdSevEsWorkAreaSize
0x010000|0x010000
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPeiTempRamBase|gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPeiTempRamSize
0x020000|0x0E0000
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfPeiMemFvBase|gUefiOvmfPkgTokenSpaceGuid.PcdOvmfPeiMemFvSize
FV = PEIFV
0x100000|0xC00000
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDxeMemFvBase|gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDxeMemFvSize
FV = DXEFV
################################################################################
[FV.SECFV]
FvNameGuid = 763BED0D-DE9F-48F5-81F1-3E90E1B1A015
BlockSize = 0x1000
FvAlignment = 16
ERASE_POLARITY = 1
MEMORY_MAPPED = TRUE
STICKY_WRITE = TRUE
LOCK_CAP = TRUE
LOCK_STATUS = TRUE
WRITE_DISABLED_CAP = TRUE
WRITE_ENABLED_CAP = TRUE
WRITE_STATUS = TRUE
WRITE_LOCK_CAP = TRUE
WRITE_LOCK_STATUS = TRUE
READ_DISABLED_CAP = TRUE
READ_ENABLED_CAP = TRUE
READ_STATUS = TRUE
READ_LOCK_CAP = TRUE
READ_LOCK_STATUS = TRUE
#
# SEC Phase modules
#
# The code in this FV handles the initial firmware startup, and
# decompresses the PEI and DXE FVs which handles the rest of the boot sequence.
#
INF OvmfPkg/Sec/SecMain.inf
INF RuleOverride=RESET_VECTOR OvmfPkg/ResetVector/ResetVector.inf
################################################################################
[FV.PEIFV]
FvNameGuid = 6938079B-B503-4E3D-9D24-B28337A25806
BlockSize = 0x10000
FvAlignment = 16
ERASE_POLARITY = 1
MEMORY_MAPPED = TRUE
STICKY_WRITE = TRUE
LOCK_CAP = TRUE
LOCK_STATUS = TRUE
WRITE_DISABLED_CAP = TRUE
WRITE_ENABLED_CAP = TRUE
WRITE_STATUS = TRUE
WRITE_LOCK_CAP = TRUE
WRITE_LOCK_STATUS = TRUE
READ_DISABLED_CAP = TRUE
READ_ENABLED_CAP = TRUE
READ_STATUS = TRUE
READ_LOCK_CAP = TRUE
READ_LOCK_STATUS = TRUE
APRIORI PEI {
INF MdeModulePkg/Universal/PCD/Pei/Pcd.inf
}
#
# PEI Phase modules
#
INF MdeModulePkg/Core/Pei/PeiMain.inf
INF MdeModulePkg/Universal/PCD/Pei/Pcd.inf
INF MdeModulePkg/Universal/ReportStatusCodeRouter/Pei/ReportStatusCodeRouterPei.inf
INF MdeModulePkg/Universal/StatusCodeHandler/Pei/StatusCodeHandlerPei.inf
INF OvmfPkg/PlatformPei/PlatformPei.inf
INF MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf
INF UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume2Pei.inf
INF UefiCpuPkg/CpuMpPei/CpuMpPei.inf
!if $(TPM_ENABLE) == TRUE
INF OvmfPkg/Tcg/Tcg2Config/Tcg2ConfigPei.inf
INF SecurityPkg/Tcg/TcgPei/TcgPei.inf
INF SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.inf
!endif
################################################################################
[FV.DXEFV]
FvForceRebase = FALSE
FvNameGuid = 7CB8BDC9-F8EB-4F34-AAEA-3EE4AF6516A1
BlockSize = 0x10000
FvAlignment = 16
ERASE_POLARITY = 1
MEMORY_MAPPED = TRUE
STICKY_WRITE = TRUE
LOCK_CAP = TRUE
LOCK_STATUS = TRUE
WRITE_DISABLED_CAP = TRUE
WRITE_ENABLED_CAP = TRUE
WRITE_STATUS = TRUE
WRITE_LOCK_CAP = TRUE
WRITE_LOCK_STATUS = TRUE
READ_DISABLED_CAP = TRUE
READ_ENABLED_CAP = TRUE
READ_STATUS = TRUE
READ_LOCK_CAP = TRUE
READ_LOCK_STATUS = TRUE
APRIORI DXE {
INF MdeModulePkg/Universal/DevicePathDxe/DevicePathDxe.inf
INF MdeModulePkg/Universal/PCD/Dxe/Pcd.inf
INF OvmfPkg/AmdSevDxe/AmdSevDxe.inf
INF OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FvbServicesRuntimeDxe.inf
}
#
# DXE Phase modules
#
INF MdeModulePkg/Core/Dxe/DxeMain.inf
INF MdeModulePkg/Universal/ReportStatusCodeRouter/RuntimeDxe/ReportStatusCodeRouterRuntimeDxe.inf
INF MdeModulePkg/Universal/StatusCodeHandler/RuntimeDxe/StatusCodeHandlerRuntimeDxe.inf
INF MdeModulePkg/Universal/PCD/Dxe/Pcd.inf
INF MdeModulePkg/Core/RuntimeDxe/RuntimeDxe.inf
INF MdeModulePkg/Universal/SecurityStubDxe/SecurityStubDxe.inf
INF MdeModulePkg/Universal/EbcDxe/EbcDxe.inf
INF OvmfPkg/8259InterruptControllerDxe/8259.inf
INF UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.inf
INF UefiCpuPkg/CpuDxe/CpuDxe.inf
INF OvmfPkg/8254TimerDxe/8254Timer.inf
INF OvmfPkg/IncompatiblePciDeviceSupportDxe/IncompatiblePciDeviceSupport.inf
INF OvmfPkg/PciHotPlugInitDxe/PciHotPlugInit.inf
INF MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridgeDxe.inf
INF MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf
INF MdeModulePkg/Universal/ResetSystemRuntimeDxe/ResetSystemRuntimeDxe.inf
INF MdeModulePkg/Universal/Metronome/Metronome.inf
INF PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcatRealTimeClockRuntimeDxe.inf
INF OvmfPkg/VirtioPciDeviceDxe/VirtioPciDeviceDxe.inf
INF OvmfPkg/Virtio10Dxe/Virtio10.inf
INF OvmfPkg/VirtioBlkDxe/VirtioBlk.inf
INF OvmfPkg/VirtioScsiDxe/VirtioScsi.inf
INF OvmfPkg/VirtioRngDxe/VirtioRng.inf
INF OvmfPkg/XenIoPciDxe/XenIoPciDxe.inf
INF OvmfPkg/XenBusDxe/XenBusDxe.inf
INF OvmfPkg/XenPvBlkDxe/XenPvBlkDxe.inf
!if $(PVSCSI_ENABLE) == TRUE
INF OvmfPkg/PvScsiDxe/PvScsiDxe.inf
!endif
!if $(MPT_SCSI_ENABLE) == TRUE
INF OvmfPkg/MptScsiDxe/MptScsiDxe.inf
!endif
!if $(LSI_SCSI_ENABLE) == TRUE
INF OvmfPkg/LsiScsiDxe/LsiScsiDxe.inf
!endif
INF MdeModulePkg/Universal/WatchdogTimerDxe/WatchdogTimer.inf
INF MdeModulePkg/Universal/MonotonicCounterRuntimeDxe/MonotonicCounterRuntimeDxe.inf
INF MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf
INF MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.inf
INF MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf
INF MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf
INF MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
INF MdeModulePkg/Universal/DriverHealthManagerDxe/DriverHealthManagerDxe.inf
INF MdeModulePkg/Universal/BdsDxe/BdsDxe.inf
INF MdeModulePkg/Application/UiApp/UiApp.inf
INF OvmfPkg/QemuKernelLoaderFsDxe/QemuKernelLoaderFsDxe.inf
INF MdeModulePkg/Universal/DevicePathDxe/DevicePathDxe.inf
INF MdeModulePkg/Universal/PrintDxe/PrintDxe.inf
INF MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIoDxe.inf
INF MdeModulePkg/Universal/Disk/PartitionDxe/PartitionDxe.inf
INF MdeModulePkg/Universal/Disk/RamDiskDxe/RamDiskDxe.inf
INF MdeModulePkg/Universal/Disk/UnicodeCollation/EnglishDxe/EnglishDxe.inf
INF MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBusDxe.inf
INF MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDiskDxe.inf
INF OvmfPkg/SataControllerDxe/SataControllerDxe.inf
INF MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.inf
INF MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.inf
INF MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressDxe.inf
INF MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabaseDxe.inf
INF MdeModulePkg/Universal/SetupBrowserDxe/SetupBrowserDxe.inf
INF MdeModulePkg/Universal/DisplayEngineDxe/DisplayEngineDxe.inf
INF MdeModulePkg/Universal/MemoryTest/NullMemoryTestDxe/NullMemoryTestDxe.inf
INF OvmfPkg/SioBusDxe/SioBusDxe.inf
!if $(SOURCE_DEBUG_ENABLE) == FALSE
INF MdeModulePkg/Bus/Pci/PciSioSerialDxe/PciSioSerialDxe.inf
!endif
INF MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KeyboardDxe.inf
INF MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf
INF OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
INF MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
INF OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf
INF RuleOverride=ACPITABLE OvmfPkg/AcpiTables/AcpiTables.inf
INF MdeModulePkg/Universal/Acpi/BootGraphicsResourceTableDxe/BootGraphicsResourceTableDxe.inf
INF FatPkg/EnhancedFatDxe/Fat.inf
INF MdeModulePkg/Universal/Disk/UdfDxe/UdfDxe.inf
!if $(TOOL_CHAIN_TAG) != "XCODE5" && $(BUILD_SHELL) == TRUE
INF OvmfPkg/LinuxInitrdDynamicShellCommand/LinuxInitrdDynamicShellCommand.inf
!endif
INF OvmfPkg/AmdSev/Grub/Grub.inf
!if $(BUILD_SHELL) == TRUE
INF ShellPkg/Application/Shell/Shell.inf
!endif
INF MdeModulePkg/Logo/LogoDxe.inf
#
# Usb Support
#
INF MdeModulePkg/Bus/Pci/UhciDxe/UhciDxe.inf
INF MdeModulePkg/Bus/Pci/EhciDxe/EhciDxe.inf
INF MdeModulePkg/Bus/Pci/XhciDxe/XhciDxe.inf
INF MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBusDxe.inf
INF MdeModulePkg/Bus/Usb/UsbKbDxe/UsbKbDxe.inf
INF MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassStorageDxe.inf
INF OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf
INF OvmfPkg/QemuRamfbDxe/QemuRamfbDxe.inf
INF OvmfPkg/VirtioGpuDxe/VirtioGpu.inf
INF OvmfPkg/PlatformDxe/Platform.inf
INF OvmfPkg/AmdSevDxe/AmdSevDxe.inf
INF OvmfPkg/IoMmuDxe/IoMmuDxe.inf
#
# Variable driver stack (non-SMM)
#
INF OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FvbServicesRuntimeDxe.inf
INF OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.inf
INF MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteDxe.inf
INF MdeModulePkg/Universal/Variable/RuntimeDxe/VariableRuntimeDxe.inf
#
# TPM support
#
!if $(TPM_ENABLE) == TRUE
INF SecurityPkg/Tcg/TcgDxe/TcgDxe.inf
INF SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.inf
!if $(TPM_CONFIG_ENABLE) == TRUE
INF SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigDxe.inf
!endif
!endif
################################################################################
[FV.FVMAIN_COMPACT]
FvNameGuid = 48DB5E17-707C-472D-91CD-1613E7EF51B0
FvAlignment = 16
ERASE_POLARITY = 1
MEMORY_MAPPED = TRUE
STICKY_WRITE = TRUE
LOCK_CAP = TRUE
LOCK_STATUS = TRUE
WRITE_DISABLED_CAP = TRUE
WRITE_ENABLED_CAP = TRUE
WRITE_STATUS = TRUE
WRITE_LOCK_CAP = TRUE
WRITE_LOCK_STATUS = TRUE
READ_DISABLED_CAP = TRUE
READ_ENABLED_CAP = TRUE
READ_STATUS = TRUE
READ_LOCK_CAP = TRUE
READ_LOCK_STATUS = TRUE
FILE FV_IMAGE = 9E21FD93-9C72-4c15-8C4B-E77F1DB2D792 {
SECTION GUIDED EE4E5898-3914-4259-9D6E-DC7BD79403CF PROCESSING_REQUIRED = TRUE {
#
# These firmware volumes will have files placed in them uncompressed,
# and then both firmware volumes will be compressed in a single
# compression operation in order to achieve better overall compression.
#
SECTION FV_IMAGE = PEIFV
SECTION FV_IMAGE = DXEFV
}
}
!include OvmfPkg/FvmainCompactScratchEnd.fdf.inc
################################################################################
[Rule.Common.SEC]
FILE SEC = $(NAMED_GUID) {
PE32 PE32 $(INF_OUTPUT)/$(MODULE_NAME).efi
UI STRING ="$(MODULE_NAME)" Optional
VERSION STRING ="$(INF_VERSION)" Optional BUILD_NUM=$(BUILD_NUMBER)
}
[Rule.Common.PEI_CORE]
FILE PEI_CORE = $(NAMED_GUID) {
PE32 PE32 Align=Auto $(INF_OUTPUT)/$(MODULE_NAME).efi
UI STRING ="$(MODULE_NAME)" Optional
VERSION STRING ="$(INF_VERSION)" Optional BUILD_NUM=$(BUILD_NUMBER)
}
[Rule.Common.PEIM]
FILE PEIM = $(NAMED_GUID) {
PEI_DEPEX PEI_DEPEX Optional $(INF_OUTPUT)/$(MODULE_NAME).depex
PE32 PE32 Align=Auto $(INF_OUTPUT)/$(MODULE_NAME).efi
UI STRING="$(MODULE_NAME)" Optional
VERSION STRING="$(INF_VERSION)" Optional BUILD_NUM=$(BUILD_NUMBER)
}
[Rule.Common.DXE_CORE]
FILE DXE_CORE = $(NAMED_GUID) {
PE32 PE32 $(INF_OUTPUT)/$(MODULE_NAME).efi
UI STRING="$(MODULE_NAME)" Optional
VERSION STRING="$(INF_VERSION)" Optional BUILD_NUM=$(BUILD_NUMBER)
}
[Rule.Common.DXE_DRIVER]
FILE DRIVER = $(NAMED_GUID) {
DXE_DEPEX DXE_DEPEX Optional $(INF_OUTPUT)/$(MODULE_NAME).depex
PE32 PE32 $(INF_OUTPUT)/$(MODULE_NAME).efi
UI STRING="$(MODULE_NAME)" Optional
VERSION STRING="$(INF_VERSION)" Optional BUILD_NUM=$(BUILD_NUMBER)
RAW ACPI Optional |.acpi
RAW ASL Optional |.aml
}
[Rule.Common.DXE_RUNTIME_DRIVER]
FILE DRIVER = $(NAMED_GUID) {
DXE_DEPEX DXE_DEPEX Optional $(INF_OUTPUT)/$(MODULE_NAME).depex
PE32 PE32 $(INF_OUTPUT)/$(MODULE_NAME).efi
UI STRING="$(MODULE_NAME)" Optional
VERSION STRING="$(INF_VERSION)" Optional BUILD_NUM=$(BUILD_NUMBER)
}
[Rule.Common.UEFI_DRIVER]
FILE DRIVER = $(NAMED_GUID) {
DXE_DEPEX DXE_DEPEX Optional $(INF_OUTPUT)/$(MODULE_NAME).depex
PE32 PE32 $(INF_OUTPUT)/$(MODULE_NAME).efi
UI STRING="$(MODULE_NAME)" Optional
VERSION STRING="$(INF_VERSION)" Optional BUILD_NUM=$(BUILD_NUMBER)
}
[Rule.Common.UEFI_DRIVER.BINARY]
FILE DRIVER = $(NAMED_GUID) {
DXE_DEPEX DXE_DEPEX Optional |.depex
PE32 PE32 |.efi
UI STRING="$(MODULE_NAME)" Optional
VERSION STRING="$(INF_VERSION)" Optional BUILD_NUM=$(BUILD_NUMBER)
}
[Rule.Common.UEFI_APPLICATION]
FILE APPLICATION = $(NAMED_GUID) {
PE32 PE32 $(INF_OUTPUT)/$(MODULE_NAME).efi
UI STRING="$(MODULE_NAME)" Optional
VERSION STRING="$(INF_VERSION)" Optional BUILD_NUM=$(BUILD_NUMBER)
}
[Rule.Common.UEFI_APPLICATION.BINARY]
FILE APPLICATION = $(NAMED_GUID) {
PE32 PE32 |.efi
UI STRING="$(MODULE_NAME)" Optional
VERSION STRING="$(INF_VERSION)" Optional BUILD_NUM=$(BUILD_NUMBER)
}
[Rule.Common.USER_DEFINED.ACPITABLE]
FILE FREEFORM = $(NAMED_GUID) {
RAW ACPI |.acpi
RAW ASL |.aml
}
[Rule.Common.SEC.RESET_VECTOR]
FILE RAW = $(NAMED_GUID) {
RAW BIN Align = 16 |.bin
}
[Rule.Common.SMM_CORE]
FILE SMM_CORE = $(NAMED_GUID) {
PE32 PE32 $(INF_OUTPUT)/$(MODULE_NAME).efi
UI STRING="$(MODULE_NAME)" Optional
VERSION STRING="$(INF_VERSION)" Optional BUILD_NUM=$(BUILD_NUMBER)
}
[Rule.Common.DXE_SMM_DRIVER]
FILE SMM = $(NAMED_GUID) {
SMM_DEPEX SMM_DEPEX Optional $(INF_OUTPUT)/$(MODULE_NAME).depex
PE32 PE32 $(INF_OUTPUT)/$(MODULE_NAME).efi
UI STRING="$(MODULE_NAME)" Optional
VERSION STRING="$(INF_VERSION)" Optional BUILD_NUM=$(BUILD_NUMBER)
}