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Table 2.2 shows the system control coprocessor registers, accessed through CP15, that determine access to Advanced SIMD and VFP registers, where:
CRn is the register number within CP15
Op1 is the Opcode_1 value for the register
CRm is the operational register
Op2 is the Opcode_2 value for the register.
Table 2.2. Coprocessor Access Control registers
| CRn | Op1 | CRm | Op2 | Name | Description |
|---|---|---|---|---|---|
| c1 | 0 | c0 | 2 | CPACR | See Coprocessor Access Control Register |
| c1 | 0 | c1 | 2 | NSACR | See Non-secure Access Control Register |
| Copyright © 2008-2012 ARM. All rights reserved. | ARM DDI 0409H |
| Non-Confidential | ID032812 |
| PDF version | |
| Home > Programmers Model > Advanced SIMD and VFP register access |