Extent Of Automatic Source Data Correction For Correctable Error; Error Marking For Cacheable Data Error - Fujitsu SPARC JPS1 Implementation Supplement Manual

Action Upon Detection of an Error (4 of 4)
TABLE P-2
Fatal Error (FE)
Number of All FEs are
errors detected and
indicated at accumulated in
trap
ASI_STCHG_
ERROR_INFO
Error address None
indication
register
P.2.3 Extent of Automatic Source Data Correction for
Correctable Error
Upon detection of the following correctable errors (
data and uses the corrected data; however, the source data with the
corrected automatically.
CE
CE
Upon detection of other correctable errors, the CPU automatically corrects the source
data containg the
For correctable errors in ASI_INTR_DATA, no special action is required by
privileged software because the erroneous data will be overwritten when the next
interrupt is received. For
software will correct the error in memory.
P.2.4

Error Marking for Cacheable Data Error

Error Marking for Cacheable Data
Error marking for cacheable data involves the following action:
Release 1.0, 1 July 2002
Error State Transition
Error (EE)
All EEs are
detected and
accumulated in
ASI_STCHG_
ERROR_INFO
None
in memory (DIMM)
in ASI_INTR_DATA_R
.
CE
CE
Urgent Error (UGE)
Single-ADE trap
All s and
I_UGE A_UGE
detected at trap.
Multiple-
ADE
The multiple- indication
ADE
+ s at first
UGE ADE
IAE
One error
DAE
One error
, : None
I_UGE A_UGE
IAE :
TPC
:
DAE ASI_DFAR
in memory (DIMM), it is expected that privileged
Restrainable Error (RE)
All restrainable errors
detected and accumulated
s
in ASI_AFSR.
trap
trap.
ASI_AFAR_D1
ASI_AFAR_U2
), the CPU corrects the input
CE
is not
CE
F. Chapter P Error Handling 157