block/CSR:
description: Machine Mode CSRs and Debug Mode CSRs
items:
- name: micm_cfg
byte_offset: 0xFC0
description: Instruction cache/memory configuration
fieldset: MICM_CFG
- name: mdcm_cfg
byte_offset: 0xFC1
description: Data cache/memory configuration
fieldset: MDCM_CFG
- name: mmsc_cfg
byte_offset: 0xFC2
description: Miscellaneous configuration
fieldset: MMSC_CFG
- name: mmsc_cfg2
byte_offset: 0xFC3
description: Miscellaneous configuration (RV32)
fieldset: MMSC_CFG2
- name: mvec_cfg
byte_offset: 0xFC7
description: Vector processor configuration
fieldset: MVEC_CFG
- name: mccache_ctl_base
byte_offset: 0xFCF
description: Cluster cache control base address
- name: mrvarch_cfg
byte_offset: 0xFCA
description: RISC-V Architecture
fieldset: MRVARCH_CFG
- name: mcrash_statesave
byte_offset: 0xFC8
description: Current state save for crash debugging
fieldset: MCRASH_STATESAVE
- name: mstatus_crashsave
byte_offset: 0xFC9
description: mstatus state save for crash debugging
- 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
- 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
- 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)
- 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
- 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
- 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
- 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
- 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
- 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
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 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 fieldset/MECC_CODE:
description: ECC Code Register
fields:
- name: Code
description: ECC Code
bit_offset: 0
bit_size: 7 - 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 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 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 fieldset/PMACFG:
description: PMA Configuration Register 0
fields:
- name: ETYP
description: Event Type
bit_offset: 0
bit_size: 2
array:
len: 4
stride: 4
- name: MTYP
description: Memory Type
bit_offset: 2
bit_size: 4
array:
len: 4
stride: 4
- name: NAMO
description: Naturally Aligned Memory Operation
bit_offset: 6
bit_size: 1
array:
len: 4
stride: 4