TPIDRRO_EL0
64-bitGenericThe read-only companion to TPIDR_EL0. A runtime can leave it unwritable by user code so a signal handler can trust it while still reading the thread pointer.
Reads from EL0 are trapped unless SCTLR_EL1.UMA is set, in which case EL0 sees it as read-only.
Field layout
TPIDRRO_EL0[63:0]63:0
byte 7
byte 6
byte 5
byte 4
byte 3
byte 2
byte 1
byte 0
Current value hover a field to locate it
B7
B6
B5
B4
B3
B2
B1
B0
Fields
| Bits | Field | Bits | Value | Description |
|---|---|---|---|---|
| 63:0 | TPIDRRO_EL0[63:0] | 64 | 0x0 (0) | The read-only thread pointer value. |