Field Name | Bits | Type | Reset Value | Description |
CRC32 | 19:16 | roRead-only | 0x1 | CRC32 instructions in AArch64. Possible values of this field are:All other values are reserved.This field must have the same value as ID_ISAR5.CRC32. The architecture requires that if CRC32 is supported in one Execution state, it must be supported in both Execution states. |
SHA2 | 15:12 | roRead-only | 0x1 | SHA2 instructions in AArch64. Possible values of this field are:All other values are reserved. |
SHA1 | 11:8 | roRead-only | 0x1 | SHA1 instructions in AArch64. Possible values of this field are:All other values are reserved. |
AES | 7:4 | roRead-only | 0x2 | AES instructions in AArch64. Possible values of this field are: |