andes-riscv 0.1.2

Low level access to Andes' AndeStar V5 RISC-V processors
Documentation
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block/CSR:
  description: Machine Mode CSRs and Debug Mode CSRs
  items:
    # - MARK: machine mode
    - name: micm_cfg
      byte_offset: 0xFC0
      description: Instruction cache/memory configuration
      access: Read
      fieldset: MICM_CFG
    - name: mdcm_cfg
      byte_offset: 0xFC1
      description: Data cache/memory configuration
      access: Read
      fieldset: MDCM_CFG
    - name: mmsc_cfg
      byte_offset: 0xFC2
      description: Miscellaneous configuration
      access: Read
      fieldset: MMSC_CFG
    - name: mmsc_cfg2
      byte_offset: 0xFC3
      description: Miscellaneous configuration (RV32)
      access: Read
      fieldset: MMSC_CFG2
    - name: mvec_cfg
      byte_offset: 0xFC7
      description: Vector processor configuration
      access: Read
      fieldset: MVEC_CFG
    - name: mccache_ctl_base
      byte_offset: 0xFCF
      description: Cluster cache control base address
      access: Read
    - name: mrvarch_cfg
      byte_offset: 0xFCA
      description: RISC-V Architecture
      access: Read
      fieldset: MRVARCH_CFG
    # Crash Debug CSRs
    - name: mcrash_statesave
      byte_offset: 0xFC8
      description: Current state save for crash debugging
      access: Read
      fieldset: MCRASH_STATESAVE
    - name: mstatus_crashsave
      byte_offset: 0xFC9
      access: Read
      description: mstatus state save for crash debugging
    # Memory CSRs
    - name: milmb
      byte_offset: 0x7C0
      description: Instruction local memory base address.
      fieldset: MILMB
    - name: mdlmb
      byte_offset: 0x7C1
      description: Data local memory base address.
      fieldset: MDLMB
    - name: mecc_code
      byte_offset: 0x7C2
      description: ECC code.
      fieldset: MECC_CODE
    - name: mnvec
      byte_offset: 0x7C3
      description: NMI-handler base address.
    - name: mcache_ctl
      byte_offset: 0x7CA
      description: Cache control
      fieldset: MCACHE_CTL
    - name: mcctlbeginaddr
      byte_offset: 0x7CB
      description: CCTL begin address
    - name: mcctlcommand
      byte_offset: 0x7CC
      description: CCTL command
    - name: mcctldata
      byte_offset: 0x7CD
      description: CCTL data
    - name: mppib
      byte_offset: 0x7F0
      description: Private peripheral interface base address
      fieldset: MPPIB
    - name: mfiob
      byte_offset: 0x7F1
      description: Fast IO interface base address
      fieldset: MFIOB
    # Hardware Stack Protection & Recording
    - name: mhsp_ctl
      byte_offset: 0x7C6
      description: Hardware stack protection control
      fieldset: MHSP_CTL
    - name: msp_bound
      byte_offset: 0x7C7
      description: SP bound register
    - name: msp_base
      byte_offset: 0x7C8
      description: SP base register
    # Trap related CSR
    - name: mxstatus
      byte_offset: 0x7C4
      description: Additional machine mode status
      fieldset: MXSTATUS
    - name: mdcause
      byte_offset: 0x7C9
      description: Detailed exception cause
      fieldset: MDCAUSE
    - name: mslideleg
      byte_offset: 0x7D5
      description: Supervisor local interrupt delegation
      fieldset: MSLIDELEG
    - name: msavestatus
      byte_offset: 0x7D6
      description: Status save register (level 1 & level 2)
      fieldset: MSAVESTATUS
    - name: msaveepc1
      byte_offset: 0x7D7
      description: EPC save register (level 1)
    - name: msavecause1
      byte_offset: 0x7D8
      description: Exception cause save register (level 1)
    - name: msaveepc2
      byte_offset: 0x7D9
      description: EPC save register (level 2)
    - name: msavecause2
      byte_offset: 0x7DA
      description: Exception cause save register (level 2)
    - name: msavedcause1
      byte_offset: 0x7DB
      description: Detailed exception cause save (level 1)
    - name: msavedcause2
      byte_offset: 0x7DC
      description: Detailed exception cause save (level 2)
    # Control CSRs
    - name: mpft_ctl
      byte_offset: 0x7C5
      description: Performance throttling control
      fieldset: MPFT_CTL
    - name: mmisc_ctl
      byte_offset: 0x7D0
      description: Miscellaneous control
      fieldset: MMISC_CTL
    - name: mclk_ctl
      byte_offset: 0x7DF
      description: Clock control
    # Counter related CSRs
    - name: mcounterwen
      byte_offset: 0x7CE
      description: Counter write enable
      fieldset: MCOUNTER_COMMON
    - name: mcounterinten
      byte_offset: 0x7CF
      description: Counter overflow interrupt enable
      fieldset: MCOUNTER_COMMON
    - name: mcountermask_m
      byte_offset: 0x7D1
      description: Counter not counting in M-mode
      fieldset: MCOUNTER_COMMON
    - name: mcountermask_s
      byte_offset: 0x7D2
      description: Counter not counting in S-mode
      fieldset: MCOUNTER_COMMON
    - name: mcountermask_u
      byte_offset: 0x7D3
      description: Counter not counting in U-mode
      fieldset: MCOUNTER_COMMON
    - name: mcounterovf
      byte_offset: 0x7D4
      description: Counter overflow status
      fieldset: MCOUNTER_COMMON
    # Enhanced CLIC CSRs
    - name: mirq_entry
      byte_offset: 0x7EC
      description: Interrupt common entry point
      fieldset: MIRQ_ENTRY
    - name: mintsel_jal
      byte_offset: 0x7ED
      description: Select interrupt and call ISR
    - name: pushmcause
      byte_offset: 0x7EE
      description: Store mcause to stack
    - name: pushmepc
      byte_offset: 0x7EF
      description: Store mepc to stack
    - name: pushmxstatus
      byte_offset: 0x7EB
      description: Store mxstatus to stack
    # Physical Memory Attribute CSRs
    - name: pmacfg0
      byte_offset: 0xBC0
      description: PMA configuration
      fieldset: PMACFG
    - name: pmacfg1
      byte_offset: 0xBC0
      description: PMA configuration
      fieldset: PMACFG
    - name: pmacfg2
      byte_offset: 0xBC0
      description: PMA configuration
      fieldset: PMACFG
    - name: pmacfg3
      byte_offset: 0xBC0
      description: PMA configuration
      fieldset: PMACFG
    # pmaaddr0 to pmaaddr15
    - name: pmaaddr0
      byte_offset: 0xBD0
      description: PMA address
    - name: pmaaddr1
      byte_offset: 0xBD1
      description: PMA address
    - name: pmaaddr2
      byte_offset: 0xBD2
      description: PMA address
    - name: pmaaddr3
      byte_offset: 0xBD3
      description: PMA address
    - name: pmaaddr4
      byte_offset: 0xBD4
      description: PMA address
    - name: pmaaddr5
      byte_offset: 0xBD5
      description: PMA address
    - name: pmaaddr6
      byte_offset: 0xBD6
      description: PMA address
    - name: pmaaddr7
      byte_offset: 0xBD7
      description: PMA address
    - name: pmaaddr8
      byte_offset: 0xBD8
      description: PMA address
    - name: pmaaddr9
      byte_offset: 0xBD9
      description: PMA address
    - name: pmaaddr10
      byte_offset: 0xBDA
      description: PMA address
    - name: pmaaddr11
      byte_offset: 0xBDB
      description: PMA address
    - name: pmaaddr12
      byte_offset: 0xBDC
      description: PMA address
    - name: pmaaddr13
      byte_offset: 0xBDD
      description: PMA address
    - name: pmaaddr14
      byte_offset: 0xBDE
      description: PMA address
    - name: pmaaddr15
      byte_offset: 0xBDF
      description: PMA address
    # - MARK: debug mode
    - name: dexc2dbg
      byte_offset: 0x7E0
      description: Enable exception to enter Halt Mode.
      fieldset: DEXC2DBG
    - name: ddcause
      byte_offset: 0x7E1
      description: Detailed exception type information when an exception enters Halt Mode.
      fieldset: DDCAUSE
    # - MARK: supervisor mode
    # Supervisor Trap Handling
    - name: slie
      byte_offset: 0x9C4
      description: Supervisor local interrupt enable
      fieldset: SLIE
    - name: slip
      byte_offset: 0x9C5
      description: Supervisor local interrupt pending
      fieldset: SLIP
    - name: sdcause
      byte_offset: 0x9C9
      description: Detailed exception cause
      fieldset: SDCAUSE
    # Supervisor Counter Related
    - name: scounterinten
      byte_offset: 0x9CF
      description: Counter overflow interrupt enable
      fieldset: SCOUNTER_COMMON
    - name: scountermask_m
      byte_offset: 0x9D1
      description: Counter mask for M-mode
      fieldset: SCOUNTER_COMMON
    - name: scountermask_s
      byte_offset: 0x9D2
      description: Counter mask for S-mode
      fieldset: SCOUNTER_COMMON
    - name: scountermask_u
      byte_offset: 0x9D3
      description: Counter mask for U-mode
      fieldset: SCOUNTER_COMMON
    - name: scounterovf
      byte_offset: 0x9D4
      description: Counter overflow status
      fieldset: SCOUNTER_COMMON
    - name: scountinhibit
      byte_offset: 0x9E0
      description: Supervisor counter inhibit
      fieldset: SCOUNTER_COMMON
    # shpmevent3~6
    - name: shpmevent3
      byte_offset: 0x9E3
      description: Performance monitoring event selection
    - name: shpmevent4
      byte_offset: 0x9E4
      description: Performance monitoring event selection
    - name: shpmevent5
      byte_offset: 0x9E5
      description: Performance monitoring event selection
    - name: shpmevent6
      byte_offset: 0x9E6
      description: Performance monitoring event selection
    # Supervisor Control
    - name: scctldata
      byte_offset: 0x9CD
      description: CCTL data
    - name: smisc_ctl
      byte_offset: 0x9D0
      description: Miscellaneous control
      fieldset: SMISC_CTL
    # - MARK: user mode
    # AndeStar V5 user mode CSRs
    - name: uitb
      byte_offset: 0x800
      description: Instruction table base address for CoDense extension.
      fieldset: UITB
    - name: ucode
      byte_offset: 0x801
      description: Contains overflow flag for DSP extension.
      fieldset: UCODE
    - name: udcause
      byte_offset: 0x809
      description: User detailed trap cause
    - name: ucctlbeginaddr
      byte_offset: 0x80B
      description: CCTL begin address
    - name: ucctlcommand
      byte_offset: 0x80C
      description: CCTL command
    - name: wfe
      byte_offset: 0x810
      description: Wait for event control
      fieldset: WFE
    - name: sleepvalue
      byte_offset: 0x811
      description: Sleep value
      fieldset: SLEEPVALUE
    - name: txevt
      byte_offset: 0x812
      description: Transmit event
      fieldset: TXEVT
# - MARK: fieldsets
fieldset/MICM_CFG:
  description: Instruction Cache/Memory Configuration Register
  fields:
    - name: ISET
      description:
      bit_offset: 0
      bit_size: 3
    - name: IWAY
      description:
      bit_offset: 3
      bit_size: 3
    - name: ISZ
      description:
      bit_offset: 6
      bit_size: 3
    - name: ILCK
      description:
      bit_offset: 9
      bit_size: 1
    - name: IC_ECC
      description:
      bit_offset: 10
      bit_size: 2
    - name: ILMB
      description:
      bit_offset: 12
      bit_size: 3
    - name: ILMSZ
      description:
      bit_offset: 15
      bit_size: 5
    - name: ULM_2BANK
      description:
      bit_offset: 20
      bit_size: 1
    - name: ILM_ECC
      description:
      bit_offset: 21
      bit_size: 2
    - name: ILM_XONLY
      description:
      bit_offset: 23
      bit_size: 1
    - name: SETH
      description:
      bit_offset: 24
      bit_size: 1
    - name: IC_REPL
      description:
      bit_offset: 25
      bit_size: 2
fieldset/MDCM_CFG:
  description: Data Cache/Memory Configuration Register
  fields:
    - name: DSET
      description:
      bit_offset: 0
      bit_size: 3
    - name: DWAY
      description:
      bit_offset: 3
      bit_size: 3
    - name: DSZ
      description:
      bit_offset: 6
      bit_size: 3
    - name: DLCK
      description:
      bit_offset: 9
      bit_size: 1
    - name: DC_ECC
      description:
      bit_offset: 10
      bit_size: 2
    - name: DLMB
      description:
      bit_offset: 12
      bit_size: 3
    - name: DLMSZ
      description:
      bit_offset: 15
      bit_size: 5
    - name: ULM_2BANK
      description:
      bit_offset: 20
      bit_size: 1
    - name: DLM_ECC
      description:
      bit_offset: 21
      bit_size: 2
    - name: SETH
      description:
      bit_offset: 24
      bit_size: 1
    - name: DC_REPL
      description:
      bit_offset: 25
      bit_size: 2
fieldset/MMSC_CFG:
  description: Misc. Configuration Register
  fields:
    - name: ECC
      description:
      bit_offset: 0
      bit_size: 1
    - name: TLB_ECC
      description:
      bit_offset: 1
      bit_size: 2
    - name: ECD
      description:
      bit_offset: 3
      bit_size: 1
    - name: PFT
      description:
      bit_offset: 4
      bit_size: 1
    - name: HSP
      description:
      bit_offset: 5
      bit_size: 1
    - name: ACE
      description:
      bit_offset: 6
      bit_size: 1
    - name: ADDPMC
      description:
      bit_offset: 7
      bit_size: 5
    - name: VPLIC
      description:
      bit_offset: 12
      bit_size: 1
    - name: EV5PE
      description:
      bit_offset: 13
      bit_size: 1
    - name: LMSLVP
      description:
      bit_offset: 14
      bit_size: 1
    - name: PMNDS
      description:
      bit_offset: 15
      bit_size: 1
    - name: CCTLCSR
      description:
      bit_offset: 16
      bit_size: 1
    - name: EFHW
      description:
      bit_offset: 17
      bit_size: 1
    - name: VCCTL
      description:
      bit_offset: 18
      bit_size: 2
    - name: EXCSLVL
      description:
      bit_offset: 20
      bit_size: 2
    - name: NOPMC
      description:
      bit_offset: 22
      bit_size: 1
    - name: SPE_AFT
      description:
      bit_offset: 23
      bit_size: 1
    - name: ESLEEP
      description:
      bit_offset: 24
      bit_size: 1
    - name: PPI
      description:
      bit_offset: 25
      bit_size: 1
    - name: FIO
      description:
      bit_offset: 26
      bit_size: 1
    - name: CLIC
      description:
      bit_offset: 27
      bit_size: 1
    - name: ECLIC
      description:
      bit_offset: 28
      bit_size: 1
    - name: EDSP
      description:
      bit_offset: 29
      bit_size: 1
    - name: PPMA
      description:
      bit_offset: 30
      bit_size: 1
    - name: MSC_EXT
      description:
      bit_offset: 31
      bit_size: 1
fieldset/MMSC_CFG2:
  description: Misc. Configuration 2 Register
  fields:
    - name: BF16CVT
      description:
      bit_offset: 0
      bit_size: 1
    - name: ZFH
      description:
      bit_offset: 1
      bit_size: 1
    - name: VL4
      description:
      bit_offset: 2
      bit_size: 1
    - name: CRASHSAVE
      description:
      bit_offset: 3
      bit_size: 1
    - name: VECCFG
      description:
      bit_offset: 4
      bit_size: 1
    - name: FINV
      description:
      bit_offset: 5
      bit_size: 1
    - name: PP16
      description:
      bit_offset: 6
      bit_size: 1
    - name: VSIH
      description:
      bit_offset: 8
      bit_size: 1
    - name: ECDV
      description:
      bit_offset: 9
      bit_size: 2
    - name: VDOT
      description:
      bit_offset: 11
      bit_size: 1
    - name: VPFH
      description:
      bit_offset: 12
      bit_size: 1
    - name: CCACHEMP_CFG
      description:
      bit_offset: 13
      bit_size: 1
    - name: CCACHE
      description:
      bit_offset: 14
      bit_size: 1
    - name: IO_COHP
      description:
      bit_offset: 15
      bit_size: 1
    - name: CORE_PCLUS
      description:
      bit_offset: 16
      bit_size: 4
    - name: RVARCH
      description:
      bit_offset: 20
      bit_size: 1
fieldset/MCRASH_STATESAVE:
  description: Machine Crash State Save
  fields:
    - name: MIE
      description:
      bit_offset: 0
      bit_size: 1
    - name: CP
      description:
      bit_offset: 1
      bit_size: 2
    - name: PPFT_EN
      description:
      bit_offset: 3
      bit_size: 1
    - name: PIME
      description:
      bit_offset: 4
      bit_size: 1
    - name: PDME
      description:
      bit_offset: 5
      bit_size: 1
    - name: PTYP
      description:
      bit_offset: 6
      bit_size: 2
fieldset/MVEC_CFG:
  description: Vector Configuration Register
  fields:
    - name: MINOR
      description:
      bit_offset: 0
      bit_size: 4
    - name: MAJOR
      description:
      bit_offset: 4
      bit_size: 4
    - name: DW
      description:
      bit_offset: 8
      bit_size: 3
    - name: MW
      description:
      bit_offset: 11
      bit_size: 3
    - name: MISEW
      description:
      bit_offset: 14
      bit_size: 2
    - name: MFSEW
      description:
      bit_offset: 16
      bit_size: 2
fieldset/MRVARCH_CFG:
  description: RISC-V Architecture Configuration Register
  fields:
    - name: Zba
      description:
      bit_offset: 0
      bit_size: 1
    - name: Zbb
      description:
      bit_offset: 1
      bit_size: 1
    - name: Zbc
      description:
      bit_offset: 2
      bit_size: 1
    - name: Zbs
      description:
      bit_offset: 3
      bit_size: 1
    - name: Smepmp
      description:
      bit_offset: 4
      bit_size: 1
    - name: Svinval
      description:
      bit_offset: 5
      bit_size: 1
    - name: Smstateen
      description:
      bit_offset: 6
      bit_size: 1
    - name: Sscofmpf
      description:
      bit_offset: 7
      bit_size: 1
    - name: Sstc
      description:
      bit_offset: 8
      bit_size: 1
    - name: Zicbom
      description:
      bit_offset: 9
      bit_size: 1
    - name: Zicbop
      description:
      bit_offset: 10
      bit_size: 1
    - name: Zicboz
      description:
      bit_offset: 11
      bit_size: 1
    - name: Zbk
      description:
      bit_offset: 12
      bit_size: 1
    - name: Zkn
      description:
      bit_offset: 13
      bit_size: 1
    - name: Zks
      description:
      bit_offset: 14
      bit_size: 1
    - name: Zkt
      description:
      bit_offset: 15
      bit_size: 1
    - name: Zkr
      description:
      bit_offset: 16
      bit_size: 1
    - name: SM_VERION
      description:
      bit_offset: 17
      bit_size: 3
    - name: SS_VERSION
      description:
      bit_offset: 20
      bit_size: 3
    - name: Svpbmt
      description:
      bit_offset: 23
      bit_size: 1
    - name: Svnapot
      description:
      bit_offset: 24
      bit_size: 1
    - name: Zihintpause
      description:
      bit_offset: 25
      bit_size: 1
fieldset/MILMB:
  description: ILM (Instruction Local Memory) Base Register
  fields:
    - name: IEN
      description: ILM Enable
      bit_offset: 0
      bit_size: 1
    - name: ECCEN
      description: ECC Enable
      bit_offset: 1
      bit_size: 2
    - name: RWECC
      description: Read/Write ECC
      bit_offset: 3
      bit_size: 1
    - name: IBPA
      description: Base Physical Address (IBPA)
      bit_offset: 10
      bit_size: 22 # NOTE: 32-bit
fieldset/MDLMB:
  description: DLM (Data Local Memory) Base Register
  fields:
    - name: DEN
      description: DLM Enable
      bit_offset: 0
      bit_size: 1
    - name: ECCEN
      description: ECC Enable
      bit_offset: 1
      bit_size: 2
    - name: RWECC
      description: Read/Write ECC
      bit_offset: 3
      bit_size: 1
    - name: Reserved
      description: Reserved
      bit_offset: 4
      bit_size: 6
    - name: DBPA
      description: Base Physical Address (DBPA)
      bit_offset: 10
      bit_size: 22 # NOTE: 32-bit
fieldset/MECC_CODE:
  description: ECC Code Register
  fields:
    - name: Code
      description: ECC Code
      bit_offset: 0
      bit_size: 7 # 8 for RV64
    - name: C
      description: Correctable Error Flag
      bit_offset: 16
      bit_size: 1
    - name: P
      description: Parity Error Flag
      bit_offset: 17
      bit_size: 1
    - name: RAMID
      description: RAM Identifier
      bit_offset: 18
      bit_size: 4
    - name: INSN
      description: Instruction Error Flag
      bit_offset: 22
      bit_size: 1
    - name: SYNDR
      description: Syndrome
      bit_offset: 23
      bit_size: 1
fieldset/MPFT_CTL:
  description: Performance Throttling Control Register
  fields:
    - name: T_LEVEL
      description: Throttling Level
      bit_offset: 4
      bit_size: 4
    - name: FAST_INT
      description: Fast Interrupt
      bit_offset: 8
      bit_size: 1
fieldset/MCACHE_CTL:
  description: Cache Control Register
  fields:
    - name: IC_EN
      description: Instruction Cache Enable
      bit_offset: 0
      bit_size: 1
    - name: DC_EN
      description: Data Cache Enable
      bit_offset: 1
      bit_size: 1
    - name: IC_ECCEN
      description: Instruction Cache ECC Enable
      bit_offset: 2
      bit_size: 2
    - name: DC_ECCEN
      description: Data Cache ECC Enable
      bit_offset: 4
      bit_size: 2
    - name: IC_RWECC
      description: Instruction Cache Read/Write ECC
      bit_offset: 6
      bit_size: 1
    - name: DC_RWECC
      description: Data Cache Read/Write ECC
      bit_offset: 7
      bit_size: 1
    - name: CCTL_SUEN
      description: Cache Control SU Enable
      bit_offset: 8
      bit_size: 1
    - name: IPREF_EN
      description: Instruction Prefetch Enable
      bit_offset: 9
      bit_size: 1
    - name: DPREF_EN
      description: Data Prefetch Enable
      bit_offset: 10
      bit_size: 1
    - name: IC_1ST_WD
      description: Instruction Cache 1st Way Disable
      bit_offset: 11
      bit_size: 1
    - name: DC_1ST_WD
      description: Data Cache 1st Way Disable
      bit_offset: 12
      bit_size: 1
    - name: DC_WARND
      description: Data Cache Write-Around
      bit_offset: 13
      bit_size: 2
    - name: L2C_WARND
      description: L2 Cache Write-Around
      bit_offset: 15
      bit_size: 2
    - name: TLB_ECCEN
      description: TLB ECC Enable
      bit_offset: 17
      bit_size: 2
    - name: DC_COHEN
      description: Data Cache Coherence Enable
      bit_offset: 19
      bit_size: 1
    - name: DC_COHSTA
      description: Data Cache Coherence State
      bit_offset: 20
      bit_size: 1
    - name: DPREF_MODE
      description: Data Prefetch Mode
      bit_offset: 21
      bit_size: 2
fieldset/MMISC_CTL:
  description: Machine Miscellaneous Control Register
  fields:
    - name: ACE
      description: Andes Custom Extension (ACE) enable
      bit_offset: 0
      bit_size: 1
    - name: VEC_PLIC
      description: Vectored external PLIC interrupt enable
      bit_offset: 1
      bit_size: 1
    - name: RVCOMPM
      description: RV compatibility mode enable bit
      bit_offset: 2
      bit_size: 1
    - name: BRPE
      description:
      bit_offset: 3
      bit_size: 1
    - name: ACES
      description:
      bit_offset: 4
      bit_size: 2
    - name: MSA_UNA
      description:
      bit_offset: 6
      bit_size: 1
    - name: NBLD_EN
      description:
      bit_offset: 8
      bit_size: 1
    - name: NEWNMI
      description:
      bit_offset: 9
      bit_size: 1
    - name: VCGL1_EN
      description:
      bit_offset: 10
      bit_size: 1
    - name: VCGL2_EN
      description:
      bit_offset: 11
      bit_size: 1
    - name: VCGL3_EN
      description:
      bit_offset: 12
      bit_size: 1
    - name: LDX0NXP
      description: “Load to x0” exception generation control bit
      bit_offset: 13
      bit_size: 1
fieldset/MPPIB:
  description: PPI (Private Peripheral Interface) Base Register
  fields:
    - name: EN
      description: Private Peripheral Interface enable bit
      bit_offset: 0
      bit_size: 1
    - name: SIZE
      description: Indicates the power-of-2 size of the PPI region
      bit_offset: 1
      bit_size: 5
    - name: BPA
      description: Base Physical Address
      bit_offset: 10
      bit_size: 22 # NOTE: 32-bit
fieldset/MFIOB:
  description: FIO (Fast IO Interface) Base Register
  fields:
    - name: EN
      description:
      bit_offset: 0
      bit_size: 1
    - name: SIZE
      description:
      bit_offset: 1
      bit_size: 5
    - name: BPA
      description: Base Physical Address
      bit_offset: 10
      bit_size: 22 # NOTE: 32-bit
fieldset/MXSTATUS:
  description: Machine Extended Status Register
  fields:
    - name: PFT_EN
      description:
      bit_offset: 0
      bit_size: 1
    - name: PPFT_EN
      description:
      bit_offset: 1
      bit_size: 1
    - name: IME
      description:
      bit_offset: 2
      bit_size: 1
    - name: PIME
      description:
      bit_offset: 3
      bit_size: 1
    - name: DME
      description:
      bit_offset: 4
      bit_size: 1
    - name: PDME
      description:
      bit_offset: 5
      bit_size: 1
    - name: TYP
      description:
      bit_offset: 6
      bit_size: 2
    - name: PTYP
      description:
      bit_offset: 8
      bit_size: 2
fieldset/MDCAUSE:
  description: Machine Detailed Trap Cause Register (for imprecise exception/interrupt)
  fields:
    - name: mdcause
      description:
      bit_offset: 0
      bit_size: 5
    - name: PM
      description:
      bit_offset: 5
      bit_size: 2
fieldset/MSLIDELEG:
  description: Machine Supervisor Local Interrupt Delegation Register
  fields:
    - name: IMECCI
      description:
      bit_offset: 16
      bit_size: 1
    - name: BWEI
      description:
      bit_offset: 17
      bit_size: 1
    - name: PMOVI
      description:
      bit_offset: 18
      bit_size: 1
    - name: IMECCDMR
      description:
      bit_offset: 19
      bit_size: 1
    - name: ACEERR
      description:
      bit_offset: 24
      bit_size: 1
fieldset/MSAVESTATUS:
  description: Machine Status Save Register
  fields:
    - name: MPIE
      description:
      bit_offset: 0
      bit_size: 1
    - name: MPP
      description:
      bit_offset: 1
      bit_size: 2
    - name: PPFT_EN
      description:
      bit_offset: 3
      bit_size: 1
    - name: PIME
      description:
      bit_offset: 4
      bit_size: 1
    - name: PDME
      description:
      bit_offset: 5
      bit_size: 1
    - name: PTYP
      description:
      bit_offset: 6
      bit_size: 2
fieldset/MHSP_CTL:
  description: Machine Hardware Stack Protection Control Register
  fields:
    - name: OVF_EN
      description:
      bit_offset: 0
      bit_size: 1
    - name: UDF_EN
      description:
      bit_offset: 1
      bit_size: 1
    - name: SCHM
      description:
      bit_offset: 2
      bit_size: 1
    - name: U
      description:
      bit_offset: 3
      bit_size: 1
    - name: S
      description:
      bit_offset: 4
      bit_size: 1
    - name: M
      description:
      bit_offset: 5
      bit_size: 1
fieldset/MIRQ_ENTRY:
  description: Machine Interrupt Common Entry Address Register
  fields:
    - name: EN
      description: Enable
      bit_offset: 0
      bit_size: 1
    - name: ICEA
      description: Interrupt Common Entry Address
      bit_offset: 1
      bit_size: 31
fieldset/DEXC2DBG:
  description: Exception Redirection Register
  fields:
    - name: IAM
      description:
      bit_offset: 0
      bit_size: 1
    - name: IAF
      description:
      bit_offset: 1
      bit_size: 1
    - name: II
      description:
      bit_offset: 2
      bit_size: 1
    - name: NMI
      description:
      bit_offset: 3
      bit_size: 1
    - name: LAM
      description:
      bit_offset: 4
      bit_size: 1
    - name: LAF
      description:
      bit_offset: 5
      bit_size: 1
    - name: SAM
      description:
      bit_offset: 6
      bit_size: 1
    - name: SAF
      description:
      bit_offset: 7
      bit_size: 1
    - name: UEC
      description:
      bit_offset: 8
      bit_size: 1
    - name: SEC
      description:
      bit_offset: 9
      bit_size: 1
    - name: HEC
      description:
      bit_offset: 10
      bit_size: 1
    - name: MEC
      description:
      bit_offset: 11
      bit_size: 1
    - name: HSP
      description:
      bit_offset: 12
      bit_size: 1
    - name: ACE
      description:
      bit_offset: 13
      bit_size: 1
    - name: SLPECC
      description:
      bit_offset: 14
      bit_size: 1
    - name: BWE
      description:
      bit_offset: 15
      bit_size: 1
    - name: IPF
      description:
      bit_offset: 16
      bit_size: 1
    - name: LPF
      description:
      bit_offset: 17
      bit_size: 1
    - name: SPF
      description:
      bit_offset: 18
      bit_size: 1
    - name: PMOV
      description:
      bit_offset: 19
      bit_size: 1
fieldset/DDCAUSE:
  description: Debug Detailed Cause Register
  fields:
    - name: MAINTYPE
      description: Indicates the main types of a Debug Mode entrance. Its definition is listed below.
      bit_offset: 0
      bit_size: 8
    - name: SUBTYPE
      description: Indicates the subtypes of a main type. Its definition is listed below. A main type may not have a subtype definition.
      bit_offset: 8
      bit_size: 8
fieldset/MCOUNTER_COMMON:
  description: Machine Counter Fields
  fields:
    - name: CY
      description: Cycle counter
      bit_offset: 0
      bit_size: 1
    - name: IR
      description: Instruction retired counter
      bit_offset: 2
      bit_size: 1
    - name: HPM
      description: Hardware performance monitor 3 to 31
      bit_offset: 3
      bit_size: 1
      array:
        len: 29
        stride: 1
        start_index: 3 # TODO, support this
fieldset/PMACFG:
  description: PMA Configuration Register
  fields:
    - name: ETYP
      description: Entry address matching mode
      bit_offset: 0
      bit_size: 2
      array:
        len: 4
        stride: 4
      enum: EntryType
    - name: MTYP
      description: Memory type attribute
      bit_offset: 2
      bit_size: 4
      array:
        len: 4
        stride: 4
      enum: MemoryType
    - name: NAMO
      description: Indicate whether Atomic Memory Operation instructions (including LR/SC) are not supported in this region
      bit_offset: 6
      bit_size: 1
      array:
        len: 4
        stride: 4
fieldset/SLIE:
  description: Supervisor Local Interrupt Enable
  fields:
    - name: IMECCI
      description: Enable S-mode slave-port ECC error local interrupt
      bit_offset: 16
      bit_size: 1
    - name: BWEI
      description: Enable S-mode bus read/write transaction error local interrupt
      bit_offset: 17
      bit_size: 1
    - name: PMOVI
      description: Enable S-mode performance monitor overflow local interrupt
      bit_offset: 18
      bit_size: 1
    - name: IMECCDMR
      description: Enable S-mode ECC DMR error local interrupt
      bit_offset: 19
      bit_size: 1
    - name: ACEERR
      description: Enable S-mode ACE error local interrupt
      bit_offset: 24
      bit_size: 1
fieldset/SLIP:
  description: Supervisor Local Interrupt Pending
  fields:
    - name: IMECCI
      description:
      bit_offset: 16
      bit_size: 1
    - name: BWEI
      description:
      bit_offset: 17
      bit_size: 1
    - name: PMOVI
      description:
      bit_offset: 18
      bit_size: 1
    - name: IMECCDMR
      description:
      bit_offset: 19
      bit_size: 1
    - name: ACEERR
      description:
      bit_offset: 24
      bit_size: 1
fieldset/SDCAUSE:
  description: Supervisor Detailed Cause (for imprecise exception/interrupt)
  fields:
    - name: sdcause
      description: Detailed cause for imprecise exception
      bit_offset: 0
      bit_size: 5
    - name: PM
      description: Privilege Mode
      bit_offset: 5
      bit_size: 2
fieldset/SMISC_CTL:
  description: Supervisor Miscellaneous Control Register
  fields:
    - name: ACES
      description: ACE (Access Control Extension) Status
      bit_offset: 4
      bit_size: 2
      enum: ACES
fieldset/SCOUNTER_COMMON:
  description: Machine Counter Fields
  fields:
    - name: CY
      description: Cycle counter
      bit_offset: 0
      bit_size: 1
    - name: IR
      description: Instruction retired counter
      bit_offset: 2
      bit_size: 1
    - name: HPM
      description: Hardware performance monitor 3 to 31
      bit_offset: 3
      bit_size: 1
      array:
        len: 29
        stride: 1
        start_index: 3 # TODO, support this
enum/ACES:
  bit_size: 2
  variants:
    - name: "Off"
      value: 0
    - name: Initial
      value: 1
    - name: Clean
      value: 2
    - name: Dirty
      value: 3
fieldset/UITB:
  description: Instruction Table Base Address Register
  fields:
    - name: HW
      description: if the Xcodense instruction table is hardwired
      bit_offset: 0
      bit_size: 1
    - name: ADDR
      description:
      bit_offset: 2
      bit_size: 30
fieldset/UCODE:
  description: Code Register - Stores the overflow flag of the DSP extension
  fields:
    - name: OV
      description: Overflow flag
      bit_offset: 0
      bit_size: 1
fieldset/WFE:
  description: Wait for Event Control Register
  fields:
    - name: WFE
      description: Wait for event
      bit_offset: 0
      bit_size: 1
fieldset/SLEEPVALUE:
  description: Sleep Value Register
  fields:
    - name: SV
      description: Sleep value
      bit_offset: 0
      bit_size: 1
fieldset/TXEVT:
  description: Transmit Event Register
  fields:
    - name: EVTo
      description: Event output
      bit_offset: 0
      bit_size: 1
enum/EntryType:
  bit_size: 2
  variants:
    - name: OFF
      description: This PMA entry is disabled
      value: 0
    - name: NAPOT
      description: Naturally aligned power-of-2 region. The granularity is 4K bytes.
      value: 3
enum/MemoryType:
  bit_size: 4
  variants:
    - name: DEV_NON_BUF
      description: Device memory, non-bufferable
      value: 0
    - name: DEV_BUF
      description: Device memory, bufferable
      value: 1
    - name: MEM_NON_CACHE_NON_BUF
      description: Normal memory, non-cacheable, non-bufferable
      value: 2
    - name: MEM_NON_CACHE_BUF
      description: Normal memory, non-cacheable, bufferable
      value: 3
    - name: MEM_WT_NO_ALLOC
      description: Normal memory, write-through, no allocate
      value: 4
    - name: MEM_WT_READ_ALLOC
      description: Normal memory, write-through, read allocate
      value: 5
    - name: MEM_WB_NO_ALLOC
      description: Normal memory, write-back, no allocate
      value: 8
    - name: MEM_WB_READ_ALLOC
      description: Normal memory, write-back, read allocate
      value: 9
    - name: MEM_WB_WRITE_ALLOC
      description: Normal memory, write-back, write allocate
      value: 10
    - name: MEM_WB_READ_WRITE_ALLOC
      description: Normal memory, write-back, read and write allocate
      value: 11
    - name: EMPTY_HOLE
      description: Empty hole
      value: 15
#define MEM_TYPE_DEV_BUF (1U)
#define MEM_TYPE_MEM_NON_CACHE_NON_BUF (2U)
#define MEM_TYPE_MEM_NON_CACHE_BUF (3U)
#define MEM_TYPE_MEM_WT_NO_ALLOC (4U)
#define MEM_TYPE_MEM_WT_READ_ALLOC (5U)
#define MEM_TYPE_MEM_WB_NO_ALLOC (8U)
#define MEM_TYPE_MEM_WB_READ_ALLOC (9U)
#define MEM_TYPE_MEM_WB_WRITE_ALLOC (10U)
#define MEM_TYPE_MEM_WB_READ_WRITE_ALLOC (11U)
#define MEM_TYPE_EMPTY_HOLE (15U)