Asi_Async_Fault_Addr_U2 - Fujitsu SPARC JPS1 Implementation Supplement Manual

P.7.3

ASI_ASYNC_FAULT_ADDR_U2

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[2]
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[5]
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The ASI_ASYNC_FAULT_ADDR_U2 register is described in
ASI_ASYNC_FAULT_ADDR_U2 (ASI_AFAR_U2) Register Bit Description
TABLE P-17
Bit Name
63:56
CONTENTS
55:48
SYNDROME
178 SPARC JPS1 Implementation Supplement: Fujitsu SPARC64 V • Release 1.0, 1 July 2002
Register name:
ASI:
VA:
Error checking:
Format & function:
Initial value at reset:
Update:
Software access:
R/W Description
R Contents of ASI_AFAR_U2. This field has the following two functions:
• Indicates the type of error held in the other fields of ASI_AFAR_U2 as
defined in
• Controls the recording of newly detected restrainable errors. Upon the
detection of a new restrainable error recordable in ASI_AFAR_U2, if the
current ASI_AFAR_U2.CONTENTS < the AFSR Prio_U2 value of the new
error, the new error is recorded into ASI_AFAR_U2. If the current
ASI_AFAR_U2.CONTENTS
error is not recorded in ASI_AFAR_U2 and ASI_AFAR_U2 is unchanged.
R Syndrome of incoming data at L2$ fill. When ASI_AFAR_U2.CONTENTS
indicates CE_INCOMED or UE_L2$FILL, this field indicates the syndrome of
the doubleword with error incoming from UPA bus. Otherwise, this field
indicates the unpredictable value.
ASI_ASYNC_FAULT_ADDR_U2
4D
16
08
16
Parity
See TABLE P-17 .
Hard POR: All fields are set to 0.
Other reset: Values are unchanged.
When a new restrainable error is detected, ASI_AFAR_U2 is
updated as defined in Section P.7.1 in the notes on the
column of
Prio_U2 TABLE P-15
When a program writes to ASI_AFAR_U2, all fields in
ASI_AFAR_U2 are set to 0 and validated.
ldxa [%g0]ASI_AFAR_U2,%rN
stxa %g0, [%g0]ASI_AFAR_U2
Write to ASI_AFAR_U2 after read is expected.
.
TABLE P-15
the AFSR
(ASI_AFAR_U2)
.
.
TABLE P-17
value of the new error, the
Prio_U2
AFSR