Logical Page Exception Register (Lper) - IBM A2 User Manual

6.17.26 Logical Page Exception Register (LPER)

The LPER register captures the logical page number and page size of a page table entry (PTE) logical-to-real
translation that results in an LRAT miss exception.
Register Short Name:
Decimal SPR Number:
Initial Value:
Slow SPR:
Guest Supervisor Mapping:
Bits Field Name
0:21 ///
22:51 ALPN
52:59 ///
60:63 LPS
Version 1.3
October 23, 2012
LPER
56
0x0000000000000000
Y
Initial
Value
0x0 Reserved
0x0 Abbreviated Logical Page Number
This field is used to capture the abbreviated logical page number from the PTE translation
that caused an LRAT miss exception.
0x0 Reserved
0b0000 Logical Page Size
This field is used to capture the logical page size from the PTE translation that caused an
LRAT miss exception.
Read Access:
Write Access:
Duplicated for Multithread:
Notes:
Scan Ring:
Description
User's Manual
A2 Processor
Hypv
Hypv
Y
HM
func
Memory Management
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