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DBGCLAIMSET_EL1

DBGCLAIMSET_EL1, Debug CLAIM Tag Set Register

The DBGCLAIMSET_EL1 characteristics are:

Purpose

Used by software to set the CLAIM tag bits to 1.

The architecture does not define any functionality for the CLAIM tag bits.

Note

CLAIM tags are typically used for communication between the debugger and target software.

Used in conjunction with the DBGCLAIMCLR_EL1 register.

Configuration

External register DBGCLAIMSET_EL1 bits [31:0] are architecturally mapped to AArch64 System register DBGCLAIMSET_EL1[31:0].

External register DBGCLAIMSET_EL1 bits [31:0] are architecturally mapped to AArch64 System register DBGCLAIMCLR_EL1[31:0].

External register DBGCLAIMSET_EL1 bits [31:0] are architecturally mapped to AArch32 System register DBGCLAIMSET[31:0].

External register DBGCLAIMSET_EL1 bits [31:0] are architecturally mapped to AArch32 System register DBGCLAIMCLR[31:0].

External register DBGCLAIMSET_EL1 bits [31:0] are architecturally mapped to External register DBGCLAIMCLR_EL1[31:0].

DBGCLAIMSET_EL1 is in the Core power domain.

An implementation must include eight CLAIM tag bits.

Attributes

DBGCLAIMSET_EL1 is a 32-bit register.

Field descriptions

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
RAZ/WI																								CLAIM7	CLAIM6	CLAIM5	CLAIM4	CLAIM3	CLAIM2	CLAIM1	CLAIM0

Bits [31:8]

Reserved, RAZ/WI.

CLAIM<m>, bit [m], for m = 7 to 0

Claim Tag Set. Used to set Claim Tag bit <m> to 1.

CLAIM<m>	Meaning
0b0	On a write: Ignored.
0b1	On a write: Set Claim Tag bit <m> to 1.

Access to this field is RAO/W1S.

Accessing DBGCLAIMSET_EL1

DBGCLAIMSET_EL1 can be accessed through the external debug interface:

Component	Offset	Instance
Debug	0xFA0	DBGCLAIMSET_EL1

Accessible as follows:

When DoubleLockStatus(), or !IsCorePowered(), or OSLockStatus(), accesses to this register generate an error response.
When SoftwareLockStatus(), accesses to this register are RO.
Otherwise, accesses to this register are RW.

2026-03-12 12:23:09, 2025-09_rel_asl1