Intel ITANIUM ARCHITECTURE - SOFTWARE DEVELOPERS MANUAL VOLUME 1 REV 2.3 Manual page 655

PAL_MC_CLEAR_LOG – Clear Processor Error Logging Registers
(21)
Clears all processor error logging registers and resets the indicator that allows the error
Purpose:
logging registers to be written. This procedure also checks the pending machine check
bit and pending INIT bit and reports their states.
Static Registers Only
Calling Conv:
Physical and Virtual
Mode:
Not dependent
Buffer:
Arguments:
Argument
index
Reserved
Reserved
Reserved
Returns:
Return Value
status
pending
Reserved
Reserved
Status:
Status Value
0
-2
-3
This procedure is called to clear processor error logging registers after all error
Description:
information has been obtained. This procedures re-enables the logging registers in the
case of a subsequent error. It clears any information that would be returned by either
the PAL_MC_ERROR_INFO or PAL_MC_DYNAMIC_STATE procedures.
This procedure does not clear any pending machine checks. The pending return
parameter returns a value of 0 if no subsequent event is pending, a 1 in bit position 0,
if a machine check is pending, and/or a 1 in bit position 1 if an INIT is pending. All other
values are reserved.
Figure 11-18. Pending Return Parameter
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
Table 11-85. Pending Return Parameter Fields
Field
mc
in
Volume 2, Part 1: Processor Abstraction Layer
Description
Index of PAL_MC_CLEAR_LOG within the list of PAL procedures.
0
0
0
Description
Return status of the PAL_MC_CLEAR_LOG procedure.
64-bit vector denoting whether an event is pending.
0
0
Description
Call completed without error
Invalid argument
Call completed with error
Reserved
Pending machine check
Pending initialization event
8
Reserved
Description
PAL_MC_CLEAR_LOG
7 6 5 4 3 2 1 0
in mc
32
2:407