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bootimage-versal.cpp
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/******************************************************************************
* Copyright 2015-2021 Xilinx, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
/*
-------------------------------------------------------------------------------
*********************************************** H E A D E R F I L E S ***
-------------------------------------------------------------------------------
*/
#include "bootimage-versal.h"
#include "partitionheadertable-versal.h"
#include "binary-versal.h"
#include "checksum-versal.h"
#include "authentication-versal.h"
/*
-------------------------------------------------------------------------------
***************************************************** F U N C T I O N S ***
-------------------------------------------------------------------------------
*/
/******************************************************************************/
VersalBootImage::VersalBootImage(Options& options, uint8_t index) : BootImage(options, index)
{
partitionHeaderList.clear();
options.SetDefaultAlignment(16);
bootHeader = new VersalBootHeader();
imageHeaderTable = new VersalImageHeaderTable();
partitionHeaderTable = new VersalPartitionHeaderTable();
currentEncryptCtx = new VersalEncryptionContext();
currentAuthCtx = new VersalAuthenticationContext(Authentication::RSA);
SetLegacyEncryptionFlag(true);
partitionOutput = new VersalPartitionOutput();
hash = new HashSha3();
cache = new VersalBinary();
checksumTable = new VersalChecksumTable();
currentAuthCtx->hashType = AuthHash::Sha3;
currentAuthCtx->hash = hash;
partitionHeaderTable->firstSection = NULL;
convertAieElfToCdo = true;
createSubSystemPdis = true;
}
/******************************************************************************/
VersalBootImage::~VersalBootImage()
{
if (bootHeader)
{
delete bootHeader;
}
if (imageHeaderTable)
{
delete imageHeaderTable;
}
if (partitionHeaderTable)
{
delete partitionHeaderTable;
}
if (currentEncryptCtx)
{
delete currentEncryptCtx;
}
if (currentAuthCtx)
{
delete currentAuthCtx;
}
if (partitionOutput)
{
delete partitionOutput;
}
if (hash)
{
delete hash;
}
}
/******************************************************************************/
void VersalBootImage::ConfigureEncryptionContext(ImageHeader * image, Encryption::Type encryptType)
{
/* Configure the encryption context */
bool aesKeyFileExists = false;
switch (encryptType)
{
case Encryption::AES:
if (image->IsBootloader())
{
switch (image->GetEncryptionKeySrc())
{
case KeySource::EfuseRedKey:
case KeySource::BbramRedKey:
case KeySource::EfuseBlkKey:
case KeySource::BbramBlkKey:
case KeySource::BhBlkKey:
case KeySource::EfuseGryKey:
case KeySource::BbramGryKey:
case KeySource::BhGryKey:
case KeySource::None:
break;
default:
LOG_ERROR("BIF attribute error !!!\n\t\tInvalid 'keysrc' mentioned for Bootloader.");
break;
}
bootloaderEncrypt = true;
bootloaderKeySource = image->GetEncryptionKeySrc();
}
if (bootloaderFound && !bootloaderEncrypt && !bootloaderAuthenticate)
{
LOG_ERROR("Bootloader must be encrypted or atleast authenticated to encrypt rest of the partitions");
}
/* Remove if when [keysrc_encryption] id deprecated*/
if (image->IsBootloader())
{
if (image->GetEncryptionKeySrc() == KeySource::None && bifOptions->GetEncryptionKeySource() == KeySource::None)
{
LOG_ERROR("BIF attribute error !!!\n\t 'keysrc' must be specified when 'encryption' is enabled for partition : %s.", image->GetName().c_str());
}
}
else
{
if (image->GetEncryptionKeySrc() == KeySource::None)
{
LOG_ERROR("BIF attribute error !!!\n\t 'keysrc' must be specified when 'encryption' is enabled for partition : %s.", image->GetName().c_str());
}
}
if (image->GetAesKeyFile() != "")
{
/* If no key file found in partition specific attributes - ERROR
If specified key file non-existent - Set generateAesKeyFile flag */
std::ifstream keyFile(image->GetAesKeyFile());
aesKeyFileExists = keyFile.good();
if (!aesKeyFileExists)
{
image->SetAesKeyFileGeneration(true);
}
}
options.bifOptions->SetHeaderEncryption(true);
if (imageHeaderTable->GetEncryptContext() == NULL)
{
imageHeaderTable->SetEncryptContext(new VersalEncryptionContext(this->currentEncryptCtx));
}
image->SetEncryptContext(new VersalEncryptionContext(this->currentEncryptCtx));
break;
case Encryption::None:
/* Remove if when [keysrc_encryption] id deprecated*/
if (image->IsBootloader())
{
if (image->GetEncryptionKeySrc() != KeySource::None || bifOptions->GetEncryptionKeySource() != KeySource::None)
{
LOG_ERROR("BIF attribute error !!!\n\t 'keysrc' can be specified only when 'encryption' is enabled for partition : %s.", image->GetName().c_str());
}
}
else
{
if (image->GetEncryptionKeySrc() != KeySource::None)
{
LOG_ERROR("BIF attribute error !!!\n\t 'keysrc' can be specified only when 'encryption' is enabled for partition : %s.", image->GetName().c_str());
}
}
image->ValidateEncryptionAttributes(*this);
if (options.bifOptions->metaHdrAttributes.encrypt != Encryption::None)
{
if (options.bifOptions->metaHdrAttributes.encrKeySource == KeySource::None)
{
LOG_ERROR("BIF attribute error !!!\n\t 'keysrc' must be specified when 'encryption' is enabled for MetaHeader.");
}
options.bifOptions->SetHeaderEncryption(true);
if (imageHeaderTable->GetEncryptContext() == NULL)
{
imageHeaderTable->SetEncryptContext(new VersalEncryptionContext());
}
}
else if(options.bifOptions->metaHdrAttributes.encrKeySource != KeySource::None)
{
LOG_ERROR("BIF attribute error !!!\n\t 'keysrc' can be specified only when 'encryption' is enabled for MetaHeader.");
}
image->SetEncryptContext(new NoneEncryptionContext());
break;
default:
image->SetEncryptContext(NULL);
break;
}
}
/******************************************************************************/
void VersalBootImage::ConfigureAuthenticationContext(ImageHeader * image, Authentication::Type authType, PartitionBifOptions * partitionbifoptions)
{
/* Configure the authentication context */
std::string spkSignFile = options.GetSpkSigFileName();
switch (authType)
{
case Authentication::RSA:
case Authentication::ECDSA:
case Authentication::ECDSAp521:
{
if (image->IsBootloader())
{
bootloaderAuthenticate = true;
}
if (bootloaderFound && !bootloaderAuthenticate)
{
LOG_ERROR("Bootloader must be authenticated to authenticate rest of the partitions");
}
image->SetAuthenticationType(authType);
options.bifOptions->SetHeaderAC(true);
currentAuthCtx->hashType = GetAuthHashAlgo();
currentAuthCtx->ppkFile = image->GetPpkFile();
currentAuthCtx->pskFile = image->GetPskFile();
currentAuthCtx->spkFile = image->GetSpkFile();
currentAuthCtx->sskFile = image->GetSskFile();
currentAuthCtx->spkSignFile = image->GetSpkSignFile();
currentAuthCtx->spkIdentification = image->GetPartitionRevocationId();
currentAuthCtx->SetSPKSignatureFile(image->GetSpkSignFile());
if (image->GetBhSignFile() != "")
{
currentAuthCtx->bhSignFile = image->GetBhSignFile();
}
AuthenticationContext::SetAuthenticationKeyLength(RSA_4096_KEY_LENGTH);
if (authType == Authentication::ECDSA)
{
AuthenticationContext::SetAuthenticationKeyLength(EC_P384_KEY_LENGTH);
}
image->SetAuthContext(new VersalAuthenticationContext(currentAuthCtx, authType));
AuthenticationContext* authCtx = image->GetAuthContext();
authCtx->SetPresignFile(partitionbifoptions->presignFile);
authCtx->SetUdfFile(partitionbifoptions->udfDataFile);
if (spkSignFile != "")
{
currentAuthCtx->GenerateSPKSignature(spkSignFile);
currentAuthCtx->spkSignRequested = spkSignFile;
}
}
break;
case Authentication::None:
default:
{
if (options.bifOptions->metaHdrAttributes.authenticate != Authentication::None)
{
if (image->IsBootloader())
{
//LOG_ERROR("Bootloader must be authenticated to authenticate the Meta Header");
}
}
image->SetAuthenticationType(Authentication::None);
image->SetAuthContext(new NoneAuthenticationContext());
if (spkSignFile != "")
{
currentAuthCtx->GenerateSPKSignature(spkSignFile);
currentAuthCtx->spkSignRequested = spkSignFile;
}
}
break;
}
}
/******************************************************************************/
void VersalBootImage::ConfigureChecksumContext(ImageHeader * image, Checksum::Type checksumType)
{
/* Configure the checksum context */
switch (checksumType)
{
case Checksum::MD5:
case Checksum::SHA2:
LOG_ERROR("BIF attribute error !!!\n\t\t 'checksum=sha2/md5' is not supported in VERSAL architecture.");
break;
case Checksum::SHA3:
image->SetChecksumContext(new VersalSHA3ChecksumContext());
break;
case Checksum::None:
default:
image->SetChecksumContext(new NoneChecksumContext());
break;
}
}
/******************************************************************************/
void VersalBootImage::ParseBootImage(PartitionBifOptions* it)
{
LOG_INFO("Importing BootImage...");
std::string baseFile = StringUtils::BaseName(it->filename);
bool full_pdi = true;
bool smap_exists = true;
if (StringUtils::GetExtension(baseFile) == ".mcs")
{
LOG_ERROR("Parsing mcs format file is not supported : %s", baseFile.c_str());
}
FILE *binFile = fopen(it->filename.c_str(), "rb");
if (!binFile)
{
LOG_ERROR("Cannot read file %s", it->filename.c_str());
}
VersalBootHeaderStructure* bH = new VersalBootHeaderStructure;
fread(bH, 1, sizeof(VersalBootHeaderStructure), binFile);
if (bH->widthDetectionWord != 0xAA995566)
{
full_pdi = false;
}
uint32_t firstWord = *bH->smapWords;
if ((firstWord == 0xDD000000) || (firstWord == 0x00DD0000) || (firstWord == 0x0000DD00) || (firstWord == 0x0000000DD))
{
smap_exists = true;
}
delete bH;
bH = NULL;
fclose(binFile);
std::ifstream src(it->filename.c_str(), std::ios::binary);
if (!src.good())
{
LOG_ERROR("Failure in reading bootimage file for import - %s ", baseFile.c_str());
}
VersalBootHeader* importedBh = NULL;
if (!full_pdi)
{
LOG_WARNING("File %s is not a full PDI. It is missing the boot header", baseFile.c_str());
bootloaderFound = false;
if (smap_exists)
{
src.seekg(sizeof(VersalSmapWidthTable));
}
else
{
src.seekg(0);
}
}
else
{
importedBh = new VersalBootHeader(src);
if (importedBh->GetHeaderVersion() != 0xFFFFFFFF)
{
LOG_WARNING("This version of bootgen may not support the bootimage header in %s ", baseFile.c_str());
LOG_WARNING("The version of the imported header is 0x%X, and this version of bootgen only supports 0x%X", importedBh->GetHeaderVersion(), BOOTHEADER_VERSION);
}
/* Authentication attribues to be appended to the attributes from stage2-Encrypted Image */
uint32_t attributes = importedBh->GetBHAttributes();
if (options.bifOptions->GetBhRsa() != BhRsa::BhRsaDisable)
{
attributes |= options.bifOptions->GetBhRsa() << BH_RSA_BIT_SHIFT;
}
if (authHash != AuthHash::Sha3)
{
attributes |= authHash << AUTH_HASH_BIT_SHIFT;
}
if (options.bifOptions->GetDpaCM() != DpaCM::DpaCMDisable)
{
attributes |= options.bifOptions->GetDpaCM() << DPA_CM_BIT_SHIFT;
}
importedBh->SetBHAttributes(attributes);
/* If imported header has a non-zero source offset, it must be a FSBL header, so it must be copied */
if (importedBh->GetSourceOffset() != 0)
{
LOG_INFO("Copying bootheader from %s ", baseFile.c_str());
SetAssumeEncryptionFlag(false);
options.SetEncryptedKeySource(importedBh->GetEncryptionKeySource());
bootHeader->Copy(importedBh);
}
src.seekg(importedBh->GetImageHeaderByteOffset());
}
CheckForIhtAttributes(baseFile);
imageHeaderTable = new VersalImageHeaderTable(src);
uint32_t offset = imageHeaderTable->GetFirstImageHeaderOffset() * sizeof(uint32_t);
uint32_t imageCount = imageHeaderTable->GetImageCount();
bool bootloader_found = false;
do
{
imageCount--;
bool IsBootloader = false;
/* IsBootloader flag is important to rearrange the sections in the StackAndAlign stage
This flag needs to be passed on while creating the image header, and from there it is
populated in partition headers, sections etc. */
if (full_pdi)
{
if (bootloader_found == false)
{
IsBootloader = true;
bootloader_found = true;
}
}
if (createSubSystemPdis == true)
{
src.seekg(offset);
SubSysImageHeader* subsys = new SubSysImageHeader(src);
for (uint32_t i = 0; i < subsys->num_of_images; i++)
{
ImageHeader* image = new VersalImageHeader(src, (VersalImageHeaderStructure*)subsys->section->Data, IsBootloader, i);
image->SetAlignment(it->alignment);
image->SetOffset(it->offset);
image->SetReserve(it->reserve);
image->SetLoad(it->load);
image->SetStartup(it->startup);
image->SetPartitionRevocationId(it->GetRevokeId());
/* Local key files/signatures within partition attributes have more priority than global key/signature files,
if both specified */
image->SetPpkFile(options.bifOptions->GetPPKFileName());
image->SetPskFile(options.bifOptions->GetPSKFileName());
if (it->ppkFile != "" || it->pskFile != "")
{
image->SetPpkFile(it->ppkFile);
image->SetPskFile(it->pskFile);
}
image->SetSpkFile(options.bifOptions->GetSPKFileName());
image->SetSskFile(options.bifOptions->GetSSKFileName());
if (it->spkFile != "" || it->sskFile != "")
{
image->SetSpkFile(it->spkFile);
image->SetSskFile(it->sskFile);
}
image->SetSpkSignFile(it->spkSignatureFile);
image->SetBhSignFile(options.bifOptions->GetBHSignFileName());
/* Commenting this func for now, check while doing the HSM mode */
ConfigureProcessingStages(image, it);
subsys->imgList.push_back(image);
/* Image is just temporary, we need to get a pointer back to the copied object and relink */
subsys->imgList.back()->Relink();
ImageHeader* newImage = subsys->imgList.back();
/* For replacing pmcdata */
if (IsBootloader)
{
image->SetTotalFsblFwSizeIh(importedBh->GetTotalPmcFwLength());
image->SetFsblFwSizeIh(importedBh->GetPmcFwLength());
if (importedBh->GetTotalPmcCdoLength() != 0 && options.bifOptions->GetPmcdataFile() == "")
{
options.bifOptions->SetTotalpmcdataSize(importedBh->GetTotalPmcCdoLength());
options.bifOptions->pmcdataSize = importedBh->GetPmcCdoLength();
options.bifOptions->pmcDataBuffer = new uint8_t[options.bifOptions->GetTotalpmcdataSize()];
memcpy(options.bifOptions->pmcDataBuffer, newImage->GetPartitionHeaderList().front()->partition->section->Data + importedBh->GetTotalPmcFwLength(), options.bifOptions->totalpmcdataSize);
image->SetPmcDataSizeIh(options.bifOptions->pmcdataSize);
image->SetTotalPmcDataSizeIh(options.bifOptions->GetTotalpmcdataSize());
}
}
/* Determine if we need to load in previous RSAAuthentication Information */
for (std::list<PartitionHeader*>::iterator partHdr = newImage->GetPartitionHeaderList().begin(); partHdr != newImage->GetPartitionHeaderList().end(); partHdr++)
{
PartitionHeader* ph = (*partHdr);
if (ph->GetAuthCertificateOffset() != 0)
{
LOG_INFO("Loading AC context for section %s ", ph->section->Name.c_str());
binFile = fopen(it->filename.c_str(), "rb");
if (!binFile)
{
LOG_ERROR("Cannot read file %s", it->filename.c_str());
}
uint8_t* aC = new uint8_t[sizeof(AuthCertificate4096Sha3PaddingStructure)];
if (!(fseek(binFile, ph->GetAuthCertificateOffset(), SEEK_SET)))
{
size_t result = fread(aC, 1, sizeof(AuthCertificate4096Sha3PaddingStructure), binFile);
if (result != sizeof(AuthCertificate4096Sha3PaddingStructure))
{
LOG_ERROR("Error parsing Authentication Certificates from PDI file");
}
}
fclose(binFile);
Authentication::Type authtype = Authentication::None;
if (((*aC) & 0xF3) == 0x02)
{
authtype = Authentication::ECDSA;
}
else if (((*aC) & 0xF3) == 0x11)
{
authtype = Authentication::RSA;
}
else if (((*aC) & 0xF3) == 0x22)
{
authtype = Authentication::ECDSAp521;
}
VersalAuthenticationContext* auth = new VersalAuthenticationContext((AuthCertificate4096Sha3PaddingStructure*)aC, authtype);
// load in previous certificate data
AuthenticationCertificate* tempac;
tempac = new VersalAuthenticationCertificate(auth);
auth->preSigned = true;
tempac->fsbl = true;
ph->ac.push_back(tempac);
newImage->SetAuthContext(auth);
}
}
}
offset += sizeof(VersalImageHeaderStructure);
subSysImageList.push_back(subsys);
}
else
{
src.seekg(offset);
ImageHeader* image = new VersalImageHeader(src, IsBootloader);
image->SetAlignment(it->alignment);
image->SetOffset(it->offset);
image->SetReserve(it->reserve);
image->SetLoad(it->load);
image->SetStartup(it->startup);
image->SetPartitionRevocationId(it->GetRevokeId());
/* Local key files/signatures within partition attributes have more priority than global key/signature files,
if both specified */
image->SetPpkFile(options.bifOptions->GetPPKFileName());
image->SetPskFile(options.bifOptions->GetPSKFileName());
if (it->ppkFile != "" || it->pskFile != "")
{
image->SetPpkFile(it->ppkFile);
image->SetPskFile(it->pskFile);
}
image->SetSpkFile(options.bifOptions->GetSPKFileName());
image->SetSskFile(options.bifOptions->GetSSKFileName());
if (it->spkFile != "" || it->sskFile != "")
{
image->SetSpkFile(it->spkFile);
image->SetSskFile(it->sskFile);
}
image->SetSpkSignFile(it->spkSignatureFile);
image->SetBhSignFile(options.bifOptions->GetBHSignFileName());
ConfigureProcessingStages(image, it);
imageList.push_back(image);
/* Image is just temporary, we need to get a pointer back to the copied object and relink */
imageList.back()->Relink();
ImageHeader* newImage = imageList.back();
/* For replacing pmcdata */
if (IsBootloader)
{
image->SetTotalFsblFwSizeIh(importedBh->GetTotalPmcFwLength());
image->SetFsblFwSizeIh(importedBh->GetPmcFwLength());
if (importedBh->GetTotalPmcCdoLength() != 0 && options.bifOptions->GetPmcdataFile() == "")
{
options.bifOptions->SetTotalpmcdataSize(importedBh->GetTotalPmcCdoLength());
options.bifOptions->pmcdataSize = importedBh->GetPmcCdoLength();
options.bifOptions->pmcDataBuffer = new uint8_t[options.bifOptions->GetTotalpmcdataSize()];
memcpy(options.bifOptions->pmcDataBuffer, newImage->GetPartitionHeaderList().front()->partition->section->Data + importedBh->GetTotalPmcFwLength(), options.bifOptions->totalpmcdataSize);
image->SetPmcDataSizeIh(options.bifOptions->pmcdataSize);
image->SetTotalPmcDataSizeIh(options.bifOptions->GetTotalpmcdataSize());
}
}
/* Determine if we need to load in previous RSAAuthentication Information */
for (std::list<PartitionHeader*>::iterator partHdr = newImage->GetPartitionHeaderList().begin(); partHdr != newImage->GetPartitionHeaderList().end(); partHdr++)
{
PartitionHeader* ph = (*partHdr);
if(ph->GetAuthCertificateOffset() != 0)
{
LOG_INFO("Loading AC context for section %s ", ph->section->Name.c_str());
binFile = fopen(it->filename.c_str(), "rb");
if (!binFile)
{
LOG_ERROR("Cannot read file %s", it->filename.c_str());
}
uint8_t* aC = new uint8_t[sizeof(AuthCertificate4096Sha3PaddingStructure)];
if (!(fseek(binFile, ph->GetAuthCertificateOffset(), SEEK_SET)))
{
size_t result = fread(aC, 1, sizeof(AuthCertificate4096Sha3PaddingStructure), binFile);
if (result != sizeof(AuthCertificate4096Sha3PaddingStructure))
{
LOG_ERROR("Error parsing Authentication Certificates from PDI file");
}
}
fclose(binFile);
Authentication::Type authtype = Authentication::None;
if (((*aC) & 0xF3) == 0x02)
{
authtype = Authentication::ECDSA;
}
else if (((*aC) & 0xF3) == 0x11)
{
authtype = Authentication::RSA;
}
else if (((*aC) & 0xF3) == 0x22)
{
authtype = Authentication::ECDSAp521;
}
VersalAuthenticationContext* auth = new VersalAuthenticationContext((AuthCertificate4096Sha3PaddingStructure*)aC, authtype);
AuthenticationCertificate* tempac;
tempac = new VersalAuthenticationCertificate(auth);
auth->preSigned = true;
tempac->fsbl = true;
ph->ac.push_back(tempac);
newImage->SetAuthContext(auth);
}
}
offset += sizeof(VersalImageHeaderStructure);
}
} while (imageCount != 0);
}
/******************************************************************************/
void VersalBootImage::CheckForIhtAttributes(std::string base_file)
{
if (options.bifOptions->GetPdiId() != 0)
{
LOG_WARNING("PDI id is taken from base PDI %s, ignoring PDI 'id' specified in the BIF", base_file.c_str());
}
if (options.bifOptions->GetParentId())
{
LOG_WARNING("Parent id is taken from base PDI %s, ignoring 'parent_id' specified in the BIF", base_file.c_str());
}
if (options.bifOptions->GetIdCode())
{
LOG_WARNING("ID code is taken from base PDI %s, ignoring 'id_code' specified in the BIF", base_file.c_str());
}
if (options.bifOptions->GetExtendedIdCode())
{
LOG_WARNING("Extended ID code is taken from base PDI %s, ignoring 'extended_id_code' specified in the BIF", base_file.c_str());
}
if (options.bifOptions->GetBypassIdcodeFlag())
{
//LOG_WARNING("ID code check is taken from base PDI %s, ignoring 'bypass_idcode_check' specified in the BIF", base_file.c_str());
}
if (options.bifOptions->GetBootDevice() != BootDevice::DEFAULT)
{
LOG_WARNING("Boot Device is taken from base PDI %s, ignoring 'boot_device' specified in the BIF", base_file.c_str());
}
}
/******************************************************************************/
void VersalBootImage::ValidateSecureAttributes(ImageHeader * image, BifOptions * bifoptions, PartitionBifOptions * partitionBifOptions)
{
/* Error checks for diff modes */
switch (partitionBifOptions->encryptType)
{
case Encryption::AES:
if (XipMode)
{
LOG_ERROR("Encryption not supported in XIP Mode");
}
if (image->IsBootloader())
{
if (bifoptions->GetAuthOnly() == AuthOnly::Enabled)
{
LOG_ERROR("Cannot encrypt bootloader, when 'auth_only' attribute is used");
}
}
break;
default:
break;
}
switch (partitionBifOptions->authType)
{
case Authentication::RSA:
{
if (XipMode)
{
LOG_ERROR("Authentication not supported in XIP Mode");
}
}
break;
case Authentication::None:
default:
{
if (partitionBifOptions->presignFile != "")
{
LOG_ERROR("Cannot specify 'presign' attribute when Authentication is not enabled");
}
if ((image->IsBootloader()) && (bifoptions->GetAuthOnly() == AuthOnly::Enabled))
{
LOG_ERROR("Bootloader must be authenticated if auth_only is used in {boot_config} attribute.");
}
}
break;
}
if (!bootloaderAuthenticate && bootloaderEncrypt)
{
switch (bootloaderKeySource)
{
case KeySource::EfuseBlkKey:
case KeySource::EfuseGryKey:
case KeySource::EfuseRedKey:
case KeySource::EfuseUserBlkKey0:
case KeySource::EfuseUserBlkKey1:
case KeySource::EfuseUserGryKey0:
case KeySource::EfuseUserGryKey1:
case KeySource::EfuseUserKey0:
case KeySource::EfuseUserKey1:
switch (partitionBifOptions->keySrc)
{
case KeySource::BbramBlkKey:
case KeySource::BbramGryKey:
case KeySource::BbramRedKey:
LOG_ERROR("A Bbram key source cannot be used for other partitions when bootloader is not authenticated and uses a Efuse Key Source.");
default:
break;
}
break;
case KeySource::BbramBlkKey:
case KeySource::BbramGryKey:
case KeySource::BbramRedKey:
switch (partitionBifOptions->keySrc)
{
case KeySource::EfuseBlkKey:
case KeySource::EfuseGryKey:
case KeySource::EfuseRedKey:
case KeySource::EfuseUserBlkKey0:
case KeySource::EfuseUserBlkKey1:
case KeySource::EfuseUserGryKey0:
case KeySource::EfuseUserGryKey1:
case KeySource::EfuseUserKey0:
case KeySource::EfuseUserKey1:
LOG_ERROR("An Efuse key source cannot be used for other partitions when bootloader is not authenticated and uses a Bbram Key Source.");
default:
break;
}
default:
break;
}
}
}
/******************************************************************************/
ImageHeader* VersalBootImage::ParsePartitionDataToImage(BifOptions * bifoptions, PartitionBifOptions * partitionBifOptions)
{
static int aie_elf_cnt = 0;
static uint8_t slr_boot_cnt = 0;
static uint8_t slr_cfg_cnt = 0;
static std::list<SlrPdiInfo*> slrBootPdiInfo;
static std::list<SlrPdiInfo*> slrConfigPdiInfo;
ImageHeader *image = new VersalImageHeader(partitionBifOptions->filename);
image->SetFileList(partitionBifOptions->filelist);
image->SetBootloader(partitionBifOptions->bootloader);
image->SetAlignment(partitionBifOptions->alignment);
image->SetOffset(partitionBifOptions->offset);
image->SetReserve(partitionBifOptions->reserve);
image->SetLoad(partitionBifOptions->load);
image->SetStartup(partitionBifOptions->startup);
image->SetBootFlag(partitionBifOptions->boot);
image->SetMultibootFlag(partitionBifOptions->multiboot);
image->SetNoAutoStartFlag(partitionBifOptions->noautostart);
image->SetProtectedFlag(partitionBifOptions->Protected);
image->SetStaticFlag(partitionBifOptions->Static);
image->SetUserFlag(partitionBifOptions->user);
image->SetDestCpu(partitionBifOptions->destCPUType);
image->SetExceptionLevel(partitionBifOptions->exceptionLevel);
image->SetTrustZone(partitionBifOptions->trustzone);
image->SetEarlyHandoff(partitionBifOptions->early_handoff);
image->SetHivec(partitionBifOptions->hivec);
image->SetPartitionType(partitionBifOptions->partitionType);
image->SetPartitionUid(partitionBifOptions->partitionId);
image->SetEncryptionKeySrc(partitionBifOptions->keySrc);
image->SetPartitionRevocationId(partitionBifOptions->GetRevokeId());
image->SetDpacm(partitionBifOptions->dpaCM);
image->SetPufHdLocation(partitionBifOptions->pufHdLoc);
if ((bifoptions->GetDpaCM() == DpaCM::DpaCMEnable) && (image->IsBootloader()))
{
image->SetDpacm(DpaCM::DpaCMEnable);
}
if ((bifoptions->GetPufHdLoc() == PufHdLoc::PUFinBH) && (image->IsBootloader()))
{
image->SetPufHdLocation(PufHdLoc::PUFinBH);
}
if (image->GetPufHdLocation() == PufHdLoc::PUFinBH)
{
bifOptions->SetPufHdinBHFlag();
}
/* Local key files/signatures within partition attributes have more priority than global key/signature files,
if both specified */
image->SetPpkFile(bifoptions->GetPPKFileName());
if (partitionBifOptions->ppkFile != "")
{
image->SetPpkFile(partitionBifOptions->ppkFile);
}
image->SetPskFile(bifoptions->GetPSKFileName());
if (partitionBifOptions->pskFile != "")
{
image->SetPskFile(partitionBifOptions->pskFile);
}
image->SetSpkFile(bifoptions->GetSPKFileName());
if (partitionBifOptions->spkFile != "")
{
image->SetSpkFile(partitionBifOptions->spkFile);
}
image->SetSskFile(bifoptions->GetSSKFileName());
if (partitionBifOptions->sskFile != "")
{
image->SetSskFile(partitionBifOptions->sskFile);
}
image->SetSpkSignFile(bifoptions->GetSPKSignFileName());
if (partitionBifOptions->spkSignatureFile != "")
{
image->SetSpkSignFile(partitionBifOptions->spkSignatureFile);
}
/* Local AES key file is mandatory when the partition is encrypted */
if (partitionBifOptions->aesKeyFile != "")
{
image->SetAesKeyFile(partitionBifOptions->aesKeyFile);
}
else if ((options.GetEncryptionKeyFile() != "") && (image->IsBootloader()))
{
LOG_WARNING("This usage of 'aeskeyfile' is deprecated. \n Please refer 'bootgen -arch versal -bif_help aeskeyfile' for more info.");
image->SetAesKeyFile(options.GetEncryptionKeyFile());
}
/* If no key file found in partition specific attributes, generate aeskeyfile with partition_name.nky */
else
{
std::string name = StringUtils::RemoveExtension(image->GetName()) + ".nky";
image->SetAesKeyFile(name);
}
if (image->IsBootloader())
{
if (partitionBifOptions->keySrc != KeySource::None)
{
options.SetEncryptedKeySource(partitionBifOptions->keySrc);
}
if (bootloaderFound == true)
{
LOG_ERROR("BIF attribute error !!!\n\t\tA bootimage cannot have more than one bootloader.");
}
bootloaderFound = true;
fsblFilename = partitionBifOptions->filename;
options.fsblFilename = partitionBifOptions->filename;
if ((bifOptions->aHwrot == true) && (partitionBifOptions->authType == Authentication::None))
{
LOG_ERROR("Bootloader must be authenticated when 'a_hwrot' is enabled");
}
if ((bifOptions->sHwrot == true) && (partitionBifOptions->encryptType == Encryption::None))
{
LOG_ERROR("Bootloader must be encrypted with 'keysrc=efuse_blk_key', when 's_hwrot' is enabled");
}
if((bifOptions->sHwrot == true) && (partitionBifOptions->keySrc != KeySource::EfuseBlkKey))
{
LOG_ERROR("Bootloader must be encrypted with 'keysrc=efuse_blk_key', when 's_hwrot' is enabled");
}
if (partitionBifOptions->authType == Authentication::ECDSAp521)
{
LOG_ERROR("BIF attribute error !!!\n\t\t 'ecdsa-p521' not supported for bootloader partition");
}
if (partitionBifOptions->hivec)
{
LOG_ERROR("BIF attribute error !!!\n\t\t'hivec' not supported for bootloader partition");
}
}
ConfigureEncryptionBlocks(image, partitionBifOptions);
ConfigureProcessingStages(image, partitionBifOptions);
ValidateSecureAttributes(image, bifoptions, partitionBifOptions);
if ((partitionBifOptions->partitionType == PartitionType::SLR_BOOT) || (partitionBifOptions->partitionType == PartitionType::SLR_CONFIG))
{
/* SSIT devices */
SlrPdiInfo* slrPdi = new SlrPdiInfo;
slrPdi->file = partitionBifOptions->filename;
std::ifstream s(slrPdi->file.c_str());
if (!s)
{
LOG_ERROR("Cannot read file - %s ", slrPdi->file.c_str());
}
slrPdi->index = (SlrId::Type) partitionBifOptions->slrNum;
if (partitionBifOptions->partitionType == PartitionType::SLR_BOOT)
{
slr_boot_cnt++;
if (partitionBifOptions->slrNum == 0xFF)
{
slrPdi->index = (SlrId::Type) slr_boot_cnt;
}
slrPdi->type = SlrPdiType::BOOT;
slrBootPdiInfo.push_back(slrPdi);
if (slr_boot_cnt == bifoptions->slrBootCnt)
{
image->SetSlrBootPartitions(slrBootPdiInfo);
image->SetName("SSIT Boot Partition");
image->SetSlrPartition(true);
imageList.push_back(image);
}
}
else
{
slrPdi->type = SlrPdiType::CONFIG;
slr_cfg_cnt++;
slrPdi->index = (SlrId::Type) partitionBifOptions->slrNum;
if (partitionBifOptions->slrNum == 0xFF)
{
slrPdi->index = (SlrId::Type) slr_cfg_cnt;
if (slrPdi->index == bifoptions->slrConfigCnt)
{
slrPdi->index = SlrId::MASTER;
}
}
else
{
slrPdi->index = (partitionBifOptions->slrNum == 0x0) ? (SlrId::MASTER) : ((SlrId::Type) partitionBifOptions->slrNum);
}
slrConfigPdiInfo.push_back(slrPdi);
if (slr_cfg_cnt == bifoptions->slrConfigCnt)
{
image->SetSlrConfigPartitions(slrConfigPdiInfo);
image->SetName("SSIT Config Partition");
image->SetSlrPartition(true);
imageList.push_back(image);
}
}
}
else if ((convertAieElfToCdo == true) && (partitionBifOptions->destCPUType == DestinationCPU::AIE))
{
/* ELF to CDO flow - All ELFs are converted to one CDO
Push all the AIE elfs to a list */
aie_elf_cnt++;
bifoptions->aie_elfs.push_back(partitionBifOptions->filename);
if (aie_elf_cnt == 1)
{
imageList.push_back(image);
}
else
{
return NULL;
}
}
else
{
imageList.push_back(image);
}
bool break_outer_loop = false;
for (std::list<SubSysImageHeader*>::iterator subSysHdr = subSysImageList.begin(); subSysHdr != subSysImageList.end(); subSysHdr++)
{
for (std::list<std::string>::iterator partName = (*subSysHdr)->partitionNameList.begin(); partName != (*subSysHdr)->partitionNameList.end(); partName++)
{
image->SetMemCopyAddress((*subSysHdr)->GetSubSysMemCopyAddress());
image->SetDelayLoadHandOffFlags((*subSysHdr)->GetDelayLoadMode(), (*subSysHdr)->GetDelayHandoffMode());
std::string part(*partName);
if (!image->GetFilename().compare(part))
{
(*subSysHdr)->imgList.push_back(image);
break_outer_loop = true;
break;
}
}
if (break_outer_loop)
{
break;
}
}