## @file
# generate capsule
#
# Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.
# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
##
# Import Modules
#
from __future__ import absolute_import
from .GenFdsGlobalVariable import GenFdsGlobalVariable, FindExtendTool
from CommonDataClass.FdfClass import CapsuleClassObject
import Common.LongFilePathOs as os
from io import BytesIO
from Common.Misc import SaveFileOnChange, PackGUID
import uuid
from struct import pack
from Common import EdkLogger
from Common.BuildToolError import GENFDS_ERROR
from Common.DataType import TAB_LINE_BREAK
WIN_CERT_REVISION = 0x0200
WIN_CERT_TYPE_EFI_GUID = 0x0EF1
EFI_CERT_TYPE_PKCS7_GUID = uuid.UUID('{4aafd29d-68df-49ee-8aa9-347d375665a7}')
EFI_CERT_TYPE_RSA2048_SHA256_GUID = uuid.UUID('{a7717414-c616-4977-9420-844712a735bf}')
## create inf file describes what goes into capsule and call GenFv to generate capsule
#
#
class Capsule (CapsuleClassObject):
## The constructor
#
# @param self The object pointer
#
def __init__(self):
CapsuleClassObject.__init__(self)
# For GenFv
self.BlockSize = None
# For GenFv
self.BlockNum = None
self.CapsuleName = None
## Generate FMP capsule
#
# @retval string Generated Capsule file path
#
def GenFmpCapsule(self):
#
# Generate capsule header
# typedef struct {
# EFI_GUID CapsuleGuid;
# UINT32 HeaderSize;
# UINT32 Flags;
# UINT32 CapsuleImageSize;
# } EFI_CAPSULE_HEADER;
#
Header = BytesIO()
#
# Use FMP capsule GUID: 6DCBD5ED-E82D-4C44-BDA1-7194199AD92A
#
Header.write(PackGUID('6DCBD5ED-E82D-4C44-BDA1-7194199AD92A'.split('-')))
HdrSize = 0
if 'CAPSULE_HEADER_SIZE' in self.TokensDict:
Header.write(pack('=I', int(self.TokensDict['CAPSULE_HEADER_SIZE'], 16)))
HdrSize = int(self.TokensDict['CAPSULE_HEADER_SIZE'], 16)
else:
Header.write(pack('=I', 0x20))
HdrSize = 0x20
Flags = 0
if 'CAPSULE_FLAGS' in self.TokensDict:
for flag in self.TokensDict['CAPSULE_FLAGS'].split(','):
flag = flag.strip()
if flag == 'PopulateSystemTable':
Flags |= 0x00010000 | 0x00020000
elif flag == 'PersistAcrossReset':
Flags |= 0x00010000
elif flag == 'InitiateReset':
Flags |= 0x00040000
if 'OEM_CAPSULE_FLAGS' in self.TokensDict:
Flags |= int(self.TokensDict['OEM_CAPSULE_FLAGS'],16)
Header.write(pack('=I', Flags))
#
# typedef struct {
# UINT32 Version;
# UINT16 EmbeddedDriverCount;
# UINT16 PayloadItemCount;
# // UINT64 ItemOffsetList[];
# } EFI_FIRMWARE_MANAGEMENT_CAPSULE_HEADER;
#
FwMgrHdr = BytesIO()
if 'CAPSULE_HEADER_INIT_VERSION' in self.TokensDict:
FwMgrHdr.write(pack('=I', int(self.TokensDict['CAPSULE_HEADER_INIT_VERSION'], 16)))
else:
FwMgrHdr.write(pack('=I', 0x00000001))
FwMgrHdr.write(pack('=HH', len(self.CapsuleDataList), len(self.FmpPayloadList)))
FwMgrHdrSize = 4+2+2+8*(len(self.CapsuleDataList)+len(self.FmpPayloadList))
#
# typedef struct _WIN_CERTIFICATE {
# UINT32 dwLength;
# UINT16 wRevision;
# UINT16 wCertificateType;
# //UINT8 bCertificate[ANYSIZE_ARRAY];
# } WIN_CERTIFICATE;
#
# typedef struct _WIN_CERTIFICATE_UEFI_GUID {
# WIN_CERTIFICATE Hdr;
# EFI_GUID CertType;
# //UINT8 CertData[ANYSIZE_ARRAY];
# } WIN_CERTIFICATE_UEFI_GUID;
#
# typedef struct {
# UINT64 MonotonicCount;
# WIN_CERTIFICATE_UEFI_GUID AuthInfo;
# } EFI_FIRMWARE_IMAGE_AUTHENTICATION;
#
# typedef struct _EFI_CERT_BLOCK_RSA_2048_SHA256 {
# EFI_GUID HashType;
# UINT8 PublicKey[256];
# UINT8 Signature[256];
# } EFI_CERT_BLOCK_RSA_2048_SHA256;
#
PreSize = FwMgrHdrSize
Content = BytesIO()
for driver in self.CapsuleDataList:
FileName = driver.GenCapsuleSubItem()
FwMgrHdr.write(pack('=Q', PreSize))
PreSize += os.path.getsize(FileName)
File = open(FileName, 'rb')
Content.write(File.read())
File.close()
for fmp in self.FmpPayloadList:
if fmp.Existed:
FwMgrHdr.write(pack('=Q', PreSize))
PreSize += len(fmp.Buffer)
Content.write(fmp.Buffer)
continue
if fmp.ImageFile:
for Obj in fmp.ImageFile:
fmp.ImageFile = Obj.GenCapsuleSubItem()
if fmp.VendorCodeFile:
for Obj in fmp.VendorCodeFile:
fmp.VendorCodeFile = Obj.GenCapsuleSubItem()
if fmp.Certificate_Guid:
ExternalTool, ExternalOption = FindExtendTool([], GenFdsGlobalVariable.ArchList, fmp.Certificate_Guid)
CmdOption = ''
CapInputFile = fmp.ImageFile
if not os.path.isabs(fmp.ImageFile):
CapInputFile = os.path.join(GenFdsGlobalVariable.WorkSpaceDir, fmp.ImageFile)
CapOutputTmp = os.path.join(GenFdsGlobalVariable.FvDir, self.UiCapsuleName) + '.tmp'
if ExternalTool is None:
EdkLogger.error("GenFds", GENFDS_ERROR, "No tool found with GUID %s" % fmp.Certificate_Guid)
else:
CmdOption += ExternalTool
if ExternalOption:
CmdOption = CmdOption + ' ' + ExternalOption
CmdOption += ' -e ' + ' --monotonic-count ' + str(fmp.MonotonicCount) + ' -o ' + CapOutputTmp + ' ' + CapInputFile
CmdList = CmdOption.split()
GenFdsGlobalVariable.CallExternalTool(CmdList, "Failed to generate FMP auth capsule")
if uuid.UUID(fmp.Certificate_Guid) == EFI_CERT_TYPE_PKCS7_GUID:
dwLength = 4 + 2 + 2 + 16 + os.path.getsize(CapOutputTmp) - os.path.getsize(CapInputFile)
else:
dwLength = 4 + 2 + 2 + 16 + 16 + 256 + 256
fmp.ImageFile = CapOutputTmp
AuthData = [fmp.MonotonicCount, dwLength, WIN_CERT_REVISION, WIN_CERT_TYPE_EFI_GUID, fmp.Certificate_Guid]
fmp.Buffer = fmp.GenCapsuleSubItem(AuthData)
else:
fmp.Buffer = fmp.GenCapsuleSubItem()
FwMgrHdr.write(pack('=Q', PreSize))
PreSize += len(fmp.Buffer)
Content.write(fmp.Buffer)
BodySize = len(FwMgrHdr.getvalue()) + len(Content.getvalue())
Header.write(pack('=I', HdrSize + BodySize))
#
# The real capsule header structure is 28 bytes
#
Header.write(b'\x00'*(HdrSize-28))
Header.write(FwMgrHdr.getvalue())
Header.write(Content.getvalue())
#
# Generate FMP capsule file
#
CapOutputFile = os.path.join(GenFdsGlobalVariable.FvDir, self.UiCapsuleName) + '.Cap'
SaveFileOnChange(CapOutputFile, Header.getvalue(), True)
return CapOutputFile
## Generate capsule
#
# @param self The object pointer
# @retval string Generated Capsule file path
#
def GenCapsule(self):
if self.UiCapsuleName.upper() + 'cap' in GenFdsGlobalVariable.ImageBinDict:
return GenFdsGlobalVariable.ImageBinDict[self.UiCapsuleName.upper() + 'cap']
GenFdsGlobalVariable.InfLogger( "\nGenerate %s Capsule" %self.UiCapsuleName)
if ('CAPSULE_GUID' in self.TokensDict and
uuid.UUID(self.TokensDict['CAPSULE_GUID']) == uuid.UUID('6DCBD5ED-E82D-4C44-BDA1-7194199AD92A')):
return self.GenFmpCapsule()
CapInfFile = self.GenCapInf()
CapInfFile.append("[files]" + TAB_LINE_BREAK)
CapFileList = []
for CapsuleDataObj in self.CapsuleDataList:
CapsuleDataObj.CapsuleName = self.CapsuleName
FileName = CapsuleDataObj.GenCapsuleSubItem()
CapsuleDataObj.CapsuleName = None
CapFileList.append(FileName)
CapInfFile.append("EFI_FILE_NAME = " + \
FileName + \
TAB_LINE_BREAK)
SaveFileOnChange(self.CapInfFileName, ''.join(CapInfFile), False)
#
# Call GenFv tool to generate capsule
#
CapOutputFile = os.path.join(GenFdsGlobalVariable.FvDir, self.UiCapsuleName)
CapOutputFile = CapOutputFile + '.Cap'
GenFdsGlobalVariable.GenerateFirmwareVolume(
CapOutputFile,
[self.CapInfFileName],
Capsule=True,
FfsList=CapFileList
)
GenFdsGlobalVariable.VerboseLogger( "\nGenerate %s Capsule Successfully" %self.UiCapsuleName)
GenFdsGlobalVariable.SharpCounter = 0
GenFdsGlobalVariable.ImageBinDict[self.UiCapsuleName.upper() + 'cap'] = CapOutputFile
return CapOutputFile
## Generate inf file for capsule
#
# @param self The object pointer
# @retval file inf file object
#
def GenCapInf(self):
self.CapInfFileName = os.path.join(GenFdsGlobalVariable.FvDir,
self.UiCapsuleName + "_Cap" + '.inf')
CapInfFile = []
CapInfFile.append("[options]" + TAB_LINE_BREAK)
for Item in self.TokensDict:
CapInfFile.append("EFI_" + \
Item + \
' = ' + \
self.TokensDict[Item] + \
TAB_LINE_BREAK)
return CapInfFile