Intel C2518 FH8065501516710 Ficha De Dados
Códigos do produto
FH8065501516710
Volume 2—System Agent and Root Complex—C2000 Product Family
Global Error Reporting
Intel
®
Atom™ Processor C2000 Product Family for Microserver
Datasheet, Vol. 2 of 3
September 2014
96
Order Number: 330061-002US
4.7.7.5
Error Register Flow
1. Upon a detection of a local error, the corresponding local error status is set if the
error is unmasked; otherwise, the error bit is not set and the error is not
propagated.
5. The Global Error register reports the error with its associated error severity to the
System Event Status register. The system event status is set if the system event
reporting is unmasked for the error severity; otherwise, the bit is not set and the
error is not reported.
6. Setting the system event bit triggers a system event generation according the
mapping defined in the System Event Map register. The associated system event is
generated for the error severity and dispatched to the CPU/BMC of the error
(interrupt for the CPU or error pin for the BMC).
7. The Global Log and Local Log registers provide the information to identify the
source of the error. The software reads the log registers and clears the global and
local error status bits.
8. Since the error status bits are edge triggered, a 0-to-1 transition is required to set
the bit again. While the error status bit (local, global, or system event) is set to 1,
all incoming error reporting to the respective error status register is ignored (no
0-to-1 transition).
a. When a write to clear the local error status bit is done, the local error register
a. When a write to clear the local error status bit is done, the local error register
re-evaluates the logical OR output of its error bits and reports it to the Global
Error register; however, if the global error bit is already set, then the report is
ignored.
b. When a write to clear the error status bit is done, the Global Error register
re-evaluates the logical OR output of its error bits and reports it to the System
Event Status register; however, if the system event status bit is already set, then
the report is not generated.
c. The software optionally masks or unmasks the system event generation
(interrupt or error pin) for an error severity in the System Event Control register
while clearing the Local and Global Error registers.