diff options
Diffstat (limited to 'src/usr/isteps/expupd/expupd.C')
| -rw-r--r-- | src/usr/isteps/expupd/expupd.C | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/src/usr/isteps/expupd/expupd.C b/src/usr/isteps/expupd/expupd.C new file mode 100644 index 000000000..743d77f38 --- /dev/null +++ b/src/usr/isteps/expupd/expupd.C @@ -0,0 +1,183 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/usr/isteps/expupd/expupd.C $ */ +/* */ +/* OpenPOWER HostBoot Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2019 */ +/* [+] International Business Machines Corp. */ +/* */ +/* */ +/* 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. */ +/* */ +/* IBM_PROLOG_END_TAG */ + +#include <expupd/expupd_reasoncodes.H> +#include <pnor/pnorif.H> +#include <targeting/common/commontargeting.H> +#include <targeting/common/utilFilter.H> +#include <errl/errlentry.H> +#include <errl/errlmanager.H> +#include <isteps/hwpisteperror.H> +#include <isteps/hwpistepud.H> +#include <fapi2.H> +#include <fapi2/plat_hwp_invoker.H> +#include <trace/interface.H> +#include <hbotcompid.H> +#include "ocmbFwImage.H" + +using namespace ISTEP_ERROR; +using namespace ERRORLOG; +using namespace TARGETING; + +namespace expupd +{ + +// Initialize the trace buffer for this component +trace_desc_t* g_trac_expupd = nullptr; +TRAC_INIT(&g_trac_expupd, EXPUPD_COMP_NAME, 2*KILOBYTE); + +/** + * @brief Retrieve the SHA512 hash for the currently flashed explorer + * firmware image. + */ +errlHndl_t expupdGetFlashedHash() +{ + return nullptr; +} + +/** + * @brief Check flash image SHA512 hash value of each explorer chip + * and update the flash if it does not match the SHA512 hash + * of the image in PNOR. + * + */ +void updateAll(IStepError& i_StepError) +{ + bool l_imageLoaded = false; + errlHndl_t l_err = nullptr; + + // Get a list of explorer chips + TARGETING::TargetHandleList l_ocmbTargetList; + getAllChips(l_ocmbTargetList, TYPE_OCMB_CHIP); + + TRACFCOMP(g_trac_expupd, ENTER_MRK + "updateAll: %d ocmb chips found", + l_ocmbTargetList.size()); + + do + { + // If no explorer chips exist, we're done. + if(l_ocmbTargetList.size() == 0) + { + break; + } + + // Read explorer fw image from pnor + PNOR::SectionInfo_t l_pnorSectionInfo; + rawImageInfo_t l_imageInfo; + +#ifdef CONFIG_SECUREBOOT + l_err = PNOR::loadSecureSection(PNOR::OCMBFW); + if(l_err) + { + TRACFCOMP(g_trac_expupd, ERR_MRK + "updateAll: Failed to load OCMBFW section" + " from PNOR!"); + + l_err->collectTrace(EXPUPD_COMP_NAME); + + // Create IStep error log and cross reference to error that occurred + i_StepError.addErrorDetails( l_err ); + + // Commit Error + errlCommit( l_err, EXPUPD_COMP_ID ); + + break; + } +#endif //CONFIG_SECUREBOOT + + l_imageLoaded = true; + + // get address and size of packaged image + l_err = PNOR::getSectionInfo(PNOR::OCMBFW, l_pnorSectionInfo); + if(l_err) + { + TRACFCOMP(g_trac_expupd, ERR_MRK + "updateAll: Failure in getSectionInfo()"); + + l_err->collectTrace(EXPUPD_COMP_NAME); + + // Create IStep error log and cross reference to error that occurred + i_StepError.addErrorDetails( l_err ); + + // Commit Error + errlCommit( l_err, EXPUPD_COMP_ID ); + break; + } + + // Verify the header and retrieve address, size and + // SHA512 hash of unpackaged image + l_err = ocmbFwValidateImage(l_pnorSectionInfo.vaddr, + l_pnorSectionInfo.size, + l_imageInfo); + if(l_err) + { + TRACFCOMP(g_trac_expupd, ERR_MRK + "updateAll: Failure in expupdValidateImage"); + + l_err->collectTrace(EXPUPD_COMP_NAME); + + // Create IStep error log and cross reference to error that occurred + i_StepError.addErrorDetails( l_err ); + + // Commit Error + errlCommit( l_err, EXPUPD_COMP_ID ); + break; + } + + // For each explorer chip, compare flash hash with PNOR hash and + // create a list of explorer chips with differing hash values + + // If list not empty update each explorer in the list + }while(0); + + // unload explorer fw image + if(l_imageLoaded) + { +#ifdef CONFIG_SECUREBOOT + l_err = PNOR::unloadSecureSection(PNOR::OCMBFW); + if(l_err) + { + TRACFCOMP(g_trac_expupd, ERR_MRK + "updateAll: Failed to unload OCMBFW"); + + l_err->collectTrace(EXPUPD_COMP_NAME); + + // Create IStep error log and cross reference to error that occurred + i_StepError.addErrorDetails( l_err ); + + // Commit Error + errlCommit( l_err, EXPUPD_COMP_ID ); + } +#endif //CONFIG_SECUREBOOT + } + + // force reboot if any updates were successful + + + TRACFCOMP(g_trac_expupd, EXIT_MRK"updateAll()"); +} + +}//namespace expupd |
