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Release 1.0, 1 July 2002 F. Chapter P Error Handling
163
P.3 Fatal Error and error_state
Tr a n s i t i o n E r r o r
P. 3 . 1 ASI_STCHG_ERROR_INFO
The
ASI_STCHG_ERROR_INFO
register stores detected FATAL error and
error_state
transition error information, for access by OBP (Open Boot PROM)
software.
TABLE P-10
describes the fields in the
ASI_STCHG_ERROR_INFO
register.
[1] Register name:
ASI_STCHG_ERROR_INFO
[2] ASI:
4C
16
[3] VA:
18
16
[4] Error checking:
None
[5] Format & function:
See
TABLE P-10
[6] Initial value at reset: Hard POR: All fields are set to 0.
Other resets: Values are unchanged.
[7] Update policy: Upon detection of each related error, the corresponding bit in
ASI_STCHG_ERROR_INFO is set to 1. Writing 1 to bit 0 erases all
error indications in ASI_STCHG_ERROR_INFO (sets all bits in
the register, including bit 0, to 0).
TABLE P-10
Format of
ASI_STCHG_ERROR_INFO
Bit Description
Bit Name RW Description
63:34 Reserved R Always 0.
33 ECR_WEAK_ED R ASI_ERROR_CONTROL.WEAK_ED is copied into this
field at the beginning of a POR or watchdog reset.
32 ECR_UGE_HANDLER R ASI_ERROR_CONTROL.UGE_HANDLER is copied into
this field at the beginning of the POR or watchdog
reset.
31:15 Reserved R Always 0.
14 Always 0 (EE_OTHER) R In the ideal case, EE_OTHER would be assigned in this
bit, but the field is not implemented in SPARC64 V.
13 EE_TRAP_ADDR_UNCORRECTED_ERROR R Upon detection of the corresponding error, set to 1.
12 EE_OPSR R Upon detection of the corresponding error, set to 1.
11 EE_WATCH_DOG_TIMEOUT_IN_MAXTL R Upon detection of the corresponding error, set to 1.
10 EE_SECOND_WATCH_DOG_TIMEOUT R Upon detection of the corresponding error, set to 1.