DBGCLAIMCLR_EL1 Debug CLAIM Tag Clear Register DBGCLAIMCLR_EL1 is in the Core power domain Debug 0xFA4 DBGCLAIMCLR_EL1 When DoubleLockStatus(), or !IsCorePowered(), or OSLockStatus() ERROR When SoftwareLockStatus(addrdesc) RO RW DBGCLAIMCLR_EL1 Architectural AArch64 31 0 31 0 31 0 31 0 DBGCLAIMSET_EL1 Architectural AArch64 31 0 31 0 31 0 31 0 DBGCLAIMCLR Architectural AArch32 31 0 31 0 31 0 31 0 DBGCLAIMSET Architectural AArch32 31 0 31 0 31 0 31 0 DBGCLAIMSET_EL1 Architectural External 31 0 31 0 31 0 31 0 Used by software to read the values of the CLAIM tag bits, and to clear CLAIM tag bits to 0. The architecture does not define any functionality for the CLAIM tag bits. CLAIM tags are typically used for communication between the debugger and target software. Used in conjunction with the DBGCLAIMSET_EL1 register. Debug An implementation must include eight CLAIM tag bits. DBGCLAIMCLR_EL1 is a 32-bit register. 31 8 31:8 Reserved, RAZ/WI. CLAIM<m> 7 0 7:0 Claim Tag Clear. Indicates the current status of Claim Tag bit <m>, and is used to clear Claim Tag bit <m> to 0. 7 0 0b0 On a read: Claim Tag bit <m> is not set. On a write: Ignored. 0b1 On a read: Claim Tag bit <m> is set. On a write: Clear Claim tag bit <m> to 0. '0' W1C 2026-03-26 20:27:25 2026-03_rel