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This change fixes an issue where the HBRT reserved trace buffer can
be placed in a new location than it's origination.
When HB crashes, the reserved trace buffer is persisted until next IPL.
With OPAL, the reserved trace buffer may be in a different memory
location than where the buffer was when it crashed, therefore all
internal pointers will be invalid. This change will detect the change
in buffer location and realign all internal pointers to be valid
once again. This is not an issue with PHYP, only with OPAL.
Change-Id: I476845550062433fba190294b0bd2bbcf8dad658
RTC: 206137
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/82094
Tested-by: Jenkins Server <pfd-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>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R Geddes <crgeddes@us.ibm.com>
Reviewed-by: Glenn Miles <milesg@ibm.com>
Reviewed-by: Daniel M Crowell <dcrowell@us.ibm.com>
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This buffer is designed to be used in a runtime environment.
I am laying the ground work for an over arching story that will
save traces in a buffer for future consumption.
For this commit, I have created the methods necessary to add, remove and find
available space (for an Entry) in a buffer bound region of memory using a
circular, doubly linked list.
Change-Id: I259bb0f6051611a17b7b919bf026919ffdb12eb1
RTC: 191303
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/59575
Tested-by: Jenkins Server <pfd-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: Prachi Gupta <pragupta@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
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-Hostboot master Drawer will create TRACEBUF section in the HB
Rsvd Mem and HBRT, while booting, gets the TRACEBUF section
details and initializes the circual buffer, if available.
-If a valid data is present in the buffer, HBRT will create an
info log ERRL, otherwise initializes the buffer.
-Traces from all components are serialized and stored in the
single TRACEBUF in the same format (fsp-binary Trace). When
buffer is full, it deletes the oldest entry/entries to store
the new ones.
-ERRL->collectTrace() works similar to other buffers.
-A new test case is added to dump the traces from TRACEBUF.
Change-Id: I4ce943231a2ba30e3a13ca34d1c40ff68464a994
RTC:188726
RTC:191302
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/56450
Reviewed-by: Prachi Gupta <pragupta@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Tested-by: Daniel M. Crowell <dcrowell@us.ibm.com>
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