| # Copyright lowRISC contributors. | |
| # Licensed under the Apache License, Version 2.0, see LICENSE for details. | |
| # SPDX-License-Identifier: Apache-2.0 | |
| from enum import IntEnum | |
| class Cmd(IntEnum): | |
| '''Permitted values of the CMD register.''' | |
| EXECUTE = 0x01 | |
| SEC_WIPE_DMEM = 0x02 | |
| SEC_WIPE_IMEM = 0x03 | |
| class Status(IntEnum): | |
| '''Permitted values of the STATUS register.''' | |
| IDLE = 0x00 | |
| BUSY_EXECUTE = 0x01 | |
| BUSY_SEC_WIPE_DMEM = 0x02 | |
| BUSY_SEC_WIPE_IMEM = 0x03 | |
| class ErrBits(IntEnum): | |
| '''A copy of the list of bits in the ERR_BITS register.''' | |
| BAD_DATA_ADDR = 1 << 0 | |
| BAD_INSN_ADDR = 1 << 1 | |
| CALL_STACK = 1 << 2 | |
| ILLEGAL_INSN = 1 << 3 | |
| LOOP = 1 << 4 | |
| IMEM_INTG_VIOLATION = 1 << 5 | |
| DMEM_INTG_VIOLATION = 1 << 6 | |
| REG_INTG_VIOLATION = 1 << 7 | |
| ILLEGAL_BUS_ACCESS = 1 << 8 | |
| LIFECYCLE_ESCALATION = 1 << 9 |