B2.80 LORC_EL1, LORegion Control Register, EL1
The LORC_EL1 register enables and disables LORegions, and selects the current LORegion descriptor.
Bit field descriptions
LORC_EL1 is a 64-bit register and is part of the Virtual memory control registers functional group.
63 0
RES0
12
EN
34
DS
Figure B2-64 LORC_EL1 bit assignments
[63:4]
Reserved, RES0.
DS, [3:2]
Descriptor Select. Number that selects the current LORegion descriptor accessed by the
LORSA_EL1, LOREA_EL1, and LORN_EL1 registers.
[1]
Reserved, RES0.
EN, [0]
Enable. The possible values are:
0 Disabled. This is the reset value.
1 Enabled.
Configurations
RW fields in this register reset to architecturally UNKNOWN values.
Bit fields and details that are not provided in this description are architecturally defined. See the
Arm
®
Architecture Reference Manual Armv8, for Armv8-A architecture profile.
B2 AArch64 system registers
B2.80 LORC_EL1, LORegion Control Register, EL1
100798_0300_00_en Copyright © 2016–2018 Arm Limited or its affiliates. All rights
reserved.
B2-261
Non-Confidential
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