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| author | Corey Swenson <cswenson@us.ibm.com> | 2019-06-03 13:15:10 -0500 |
|---|---|---|
| committer | Daniel M. Crowell <dcrowell@us.ibm.com> | 2019-06-04 09:36:50 -0500 |
| commit | 20f6884ac8c615da75db885feae636ca60dc6f5a (patch) | |
| tree | 58654e04b15b84e65a1aae1f88f61e5020a30e0b | |
| parent | 3483624140e3f3da807a49d8ffb835813a093597 (diff) | |
| download | talos-hostboot-20f6884ac8c615da75db885feae636ca60dc6f5a.tar.gz talos-hostboot-20f6884ac8c615da75db885feae636ca60dc6f5a.zip | |
Add workaround to avoid DARN instruction at runtime
The DARN instruction caused the HBRT adjunct to crash.
Use hardcoded workaround until the problem is resolved.
Change-Id: I34887b03fc3ef9634d75eb1adc9c6a77f2eea217
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/78260
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Nicholas E. Bofferding <bofferdn@us.ibm.com>
Reviewed-by: Matt Derksen <mderkse1@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
| -rw-r--r-- | src/usr/isteps/nvdimm/runtime/nvdimm_rt.C | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/usr/isteps/nvdimm/runtime/nvdimm_rt.C b/src/usr/isteps/nvdimm/runtime/nvdimm_rt.C index 75515a761..7ab6a88d6 100644 --- a/src/usr/isteps/nvdimm/runtime/nvdimm_rt.C +++ b/src/usr/isteps/nvdimm/runtime/nvdimm_rt.C @@ -526,10 +526,16 @@ errlHndl_t nvdimm_getDarnNumber(size_t i_genSize, uint8_t* o_genData) // Darn could return an error code uint32_t l_darnErrors = 0; + // TODO RTC:210978 NVDIMM encryption remove DARN instruction workaround + // Darn instruction is not working, hardcode until it is fixed + uint64_t l_darnHack = 0x465a67b23c89d234ull; + while (l_darnErrors < MAX_DARN_ERRORS) { // Get a 64-bit random number with the darn instruction - l_darnData[l_loop] = getDarn(); + // TODO RTC:210978 NVDIMM encryption remove DARN instruction workaround + //l_darnData[l_loop] = getDarn(); + l_darnData[l_loop] = l_darnHack; if ( l_darnData[l_loop] != DARN_ERROR_CODE ) { |
