neorv32_cpu_csr.h File Reference

Control and Status Registers (CSR) definitions. More...

#include <stdint.h>

Go to the source code of this file.

Enumerations
enum	NEORV32_CSR_enum {   CSR_FFLAGS = 0x001 , CSR_FRM = 0x002 , CSR_FCSR = 0x003 , CSR_MSTATUS = 0x300 ,   CSR_MISA = 0x301 , CSR_MIE = 0x304 , CSR_MTVEC = 0x305 , CSR_MCOUNTEREN = 0x306 ,   CSR_MSTATUSH = 0x310 , CSR_MCOUNTINHIBIT = 0x320 , CSR_MENVCFG = 0x30a , CSR_MENVCFGH = 0x31a ,   CSR_MHPMEVENT3 = 0x323 , CSR_MHPMEVENT4 = 0x324 , CSR_MHPMEVENT5 = 0x325 , CSR_MHPMEVENT6 = 0x326 ,   CSR_MHPMEVENT7 = 0x327 , CSR_MHPMEVENT8 = 0x328 , CSR_MHPMEVENT9 = 0x329 , CSR_MHPMEVENT10 = 0x32a ,   CSR_MHPMEVENT11 = 0x32b , CSR_MHPMEVENT12 = 0x32c , CSR_MHPMEVENT13 = 0x32d , CSR_MHPMEVENT14 = 0x32e ,   CSR_MHPMEVENT15 = 0x32f , CSR_MSCRATCH = 0x340 , CSR_MEPC = 0x341 , CSR_MCAUSE = 0x342 ,   CSR_MTVAL = 0x343 , CSR_MIP = 0x344 , CSR_MTINST = 0x34a , CSR_PMPCFG0 = 0x3a0 ,   CSR_PMPCFG1 = 0x3a1 , CSR_PMPCFG2 = 0x3a2 , CSR_PMPCFG3 = 0x3a3 , CSR_PMPADDR0 = 0x3b0 ,   CSR_PMPADDR1 = 0x3b1 , CSR_PMPADDR2 = 0x3b2 , CSR_PMPADDR3 = 0x3b3 , CSR_PMPADDR4 = 0x3b4 ,   CSR_PMPADDR5 = 0x3b5 , CSR_PMPADDR6 = 0x3b6 , CSR_PMPADDR7 = 0x3b7 , CSR_PMPADDR8 = 0x3b8 ,   CSR_PMPADDR9 = 0x3b9 , CSR_PMPADDR10 = 0x3ba , CSR_PMPADDR11 = 0x3bb , CSR_PMPADDR12 = 0x3bc ,   CSR_PMPADDR13 = 0x3bd , CSR_PMPADDR14 = 0x3be , CSR_PMPADDR15 = 0x3bf , CSR_TSELECT = 0x7a0 ,   CSR_TDATA1 = 0x7a1 , CSR_TDATA2 = 0x7a2 , CSR_TINFO = 0x7a4 , CSR_DCSR = 0x7b0 ,   CSR_DPC = 0x7b1 , CSR_DSCRATCH0 = 0x7b2 , CSR_CFUREG0 = 0x800 , CSR_CFUREG1 = 0x801 ,   CSR_CFUREG2 = 0x802 , CSR_CFUREG3 = 0x803 , CSR_MCYCLE = 0xb00 , CSR_MINSTRET = 0xb02 ,   CSR_MHPMCOUNTER3 = 0xb03 , CSR_MHPMCOUNTER4 = 0xb04 , CSR_MHPMCOUNTER5 = 0xb05 , CSR_MHPMCOUNTER6 = 0xb06 ,   CSR_MHPMCOUNTER7 = 0xb07 , CSR_MHPMCOUNTER8 = 0xb08 , CSR_MHPMCOUNTER9 = 0xb09 , CSR_MHPMCOUNTER10 = 0xb0a ,   CSR_MHPMCOUNTER11 = 0xb0b , CSR_MHPMCOUNTER12 = 0xb0c , CSR_MHPMCOUNTER13 = 0xb0d , CSR_MHPMCOUNTER14 = 0xb0e ,   CSR_MHPMCOUNTER15 = 0xb0f , CSR_MCYCLEH = 0xb80 , CSR_MINSTRETH = 0xb82 , CSR_MHPMCOUNTER3H = 0xb83 ,   CSR_MHPMCOUNTER4H = 0xb84 , CSR_MHPMCOUNTER5H = 0xb85 , CSR_MHPMCOUNTER6H = 0xb86 , CSR_MHPMCOUNTER7H = 0xb87 ,   CSR_MHPMCOUNTER8H = 0xb88 , CSR_MHPMCOUNTER9H = 0xb89 , CSR_MHPMCOUNTER10H = 0xb8a , CSR_MHPMCOUNTER11H = 0xb8b ,   CSR_MHPMCOUNTER12H = 0xb8c , CSR_MHPMCOUNTER13H = 0xb8d , CSR_MHPMCOUNTER14H = 0xb8e , CSR_MHPMCOUNTER15H = 0xb8f ,   CSR_CYCLE = 0xc00 , CSR_INSTRET = 0xc02 , CSR_CYCLEH = 0xc80 , CSR_INSTRETH = 0xc82 ,   CSR_MVENDORID = 0xf11 , CSR_MARCHID = 0xf12 , CSR_MIMPID = 0xf13 , CSR_MHARTID = 0xf14 ,   CSR_MCONFIGPTR = 0xf15 , CSR_MXISA = 0xfc0 }
enum	NEORV32_CSR_FFLAGS_enum {   CSR_FFLAGS_NX = 0 , CSR_FFLAGS_UF = 1 , CSR_FFLAGS_OF = 2 , CSR_FFLAGS_DZ = 3 ,   CSR_FFLAGS_NV = 4 }
enum	NEORV32_CSR_MCOUNTEREN_enum { CSR_MCOUNTEREN_CY = 0 , CSR_MCOUNTEREN_IR = 2 }
enum	NEORV32_CSR_MSTATUS_enum {   CSR_MSTATUS_MIE = 3 , CSR_MSTATUS_MPIE = 7 , CSR_MSTATUS_MPP_L = 11 , CSR_MSTATUS_MPP_H = 12 ,   CSR_MSTATUS_MPRV = 17 , CSR_MSTATUS_TW = 21 }
enum	NEORV32_CSR_MCOUNTINHIBIT_enum {   CSR_MCOUNTINHIBIT_CY = 0 , CSR_MCOUNTINHIBIT_IR = 2 , CSR_MCOUNTINHIBIT_HPM3 = 3 , CSR_MCOUNTINHIBIT_HPM4 = 4 ,   CSR_MCOUNTINHIBIT_HPM5 = 5 , CSR_MCOUNTINHIBIT_HPM6 = 6 , CSR_MCOUNTINHIBIT_HPM7 = 7 , CSR_MCOUNTINHIBIT_HPM8 = 8 ,   CSR_MCOUNTINHIBIT_HPM9 = 9 , CSR_MCOUNTINHIBIT_HPM10 = 10 , CSR_MCOUNTINHIBIT_HPM11 = 11 , CSR_MCOUNTINHIBIT_HPM12 = 12 ,   CSR_MCOUNTINHIBIT_HPM13 = 13 , CSR_MCOUNTINHIBIT_HPM14 = 14 , CSR_MCOUNTINHIBIT_HPM15 = 15 , CSR_MCOUNTINHIBIT_HPM16 = 16 ,   CSR_MCOUNTINHIBIT_HPM17 = 17 , CSR_MCOUNTINHIBIT_HPM18 = 18 , CSR_MCOUNTINHIBIT_HPM19 = 19 , CSR_MCOUNTINHIBIT_HPM20 = 20 ,   CSR_MCOUNTINHIBIT_HPM21 = 21 , CSR_MCOUNTINHIBIT_HPM22 = 22 , CSR_MCOUNTINHIBIT_HPM23 = 23 , CSR_MCOUNTINHIBIT_HPM24 = 24 ,   CSR_MCOUNTINHIBIT_HPM25 = 25 , CSR_MCOUNTINHIBIT_HPM26 = 26 , CSR_MCOUNTINHIBIT_HPM27 = 27 , CSR_MCOUNTINHIBIT_HPM28 = 28 ,   CSR_MCOUNTINHIBIT_HPM29 = 29 , CSR_MCOUNTINHIBIT_HPM30 = 30 , CSR_MCOUNTINHIBIT_HPM31 = 31 }
enum	NEORV32_CSR_MIE_enum {   CSR_MIE_MSIE = 3 , CSR_MIE_MTIE = 7 , CSR_MIE_MEIE = 11 , CSR_MIE_FIRQ0E = 16 ,   CSR_MIE_FIRQ1E = 17 , CSR_MIE_FIRQ2E = 18 , CSR_MIE_FIRQ3E = 19 , CSR_MIE_FIRQ4E = 20 ,   CSR_MIE_FIRQ5E = 21 , CSR_MIE_FIRQ6E = 22 , CSR_MIE_FIRQ7E = 23 , CSR_MIE_FIRQ8E = 24 ,   CSR_MIE_FIRQ9E = 25 , CSR_MIE_FIRQ10E = 26 , CSR_MIE_FIRQ11E = 27 , CSR_MIE_FIRQ12E = 28 ,   CSR_MIE_FIRQ13E = 29 , CSR_MIE_FIRQ14E = 30 , CSR_MIE_FIRQ15E = 31 }
enum	NEORV32_CSR_MIP_enum {   CSR_MIP_MSIP = 3 , CSR_MIP_MTIP = 7 , CSR_MIP_MEIP = 11 , CSR_MIP_FIRQ0P = 16 ,   CSR_MIP_FIRQ1P = 17 , CSR_MIP_FIRQ2P = 18 , CSR_MIP_FIRQ3P = 19 , CSR_MIP_FIRQ4P = 20 ,   CSR_MIP_FIRQ5P = 21 , CSR_MIP_FIRQ6P = 22 , CSR_MIP_FIRQ7P = 23 , CSR_MIP_FIRQ8P = 24 ,   CSR_MIP_FIRQ9P = 25 , CSR_MIP_FIRQ10P = 26 , CSR_MIP_FIRQ11P = 27 , CSR_MIP_FIRQ12P = 28 ,   CSR_MIP_FIRQ13P = 29 , CSR_MIP_FIRQ14P = 30 , CSR_MIP_FIRQ15P = 31 }
enum	NEORV32_CSR_MISA_enum {   CSR_MISA_B = 1 , CSR_MISA_C = 2 , CSR_MISA_E = 4 , CSR_MISA_I = 8 ,   CSR_MISA_M = 12 , CSR_MISA_U = 20 , CSR_MISA_X = 23 , CSR_MISA_MXL_LO = 30 ,   CSR_MISA_MXL_HI = 31 }
enum	NEORV32_CSR_XISA_enum {   CSR_MXISA_ZICSR = 0 , CSR_MXISA_ZIFENCEI = 1 , CSR_MXISA_ZMMUL = 2 , CSR_MXISA_ZXCFU = 3 ,   CSR_MXISA_ZKT = 4 , CSR_MXISA_ZFINX = 5 , CSR_MXISA_ZICOND = 6 , CSR_MXISA_ZICNTR = 7 ,   CSR_MXISA_SMPMP = 8 , CSR_MXISA_ZIHPM = 9 , CSR_MXISA_SDEXT = 10 , CSR_MXISA_SDTRIG = 11 ,   CSR_MXISA_ZBKX = 12 , CSR_MXISA_ZKND = 13 , CSR_MXISA_ZKNE = 14 , CSR_MXISA_ZKNH = 15 ,   CSR_MXISA_ZBKB = 16 , CSR_MXISA_ZBKC = 17 , CSR_MXISA_ZKN = 18 , CSR_MXISA_ZKSH = 19 ,   CSR_MXISA_ZKSED = 20 , CSR_MXISA_ZKS = 21 , CSR_MXISA_ZBA = 22 , CSR_MXISA_ZBB = 23 ,   CSR_MXISA_ZBS = 24 , CSR_MXISA_ZALRSC = 25 , CSR_MXISA_RFHWRST = 28 , CSR_MXISA_FASTMUL = 29 ,   CSR_MXISA_FASTSHIFT = 30 , CSR_MXISA_IS_SIM = 31 }
enum	NEORV32_HPMCNT_EVENT_enum {   HPMCNT_EVENT_CY = 0 , HPMCNT_EVENT_TM = 1 , HPMCNT_EVENT_IR = 2 , HPMCNT_EVENT_COMPR = 3 ,   HPMCNT_EVENT_WAIT_DIS = 4 , HPMCNT_EVENT_WAIT_ALU = 5 , HPMCNT_EVENT_BRANCH = 6 , HPMCNT_EVENT_BRANCHED = 7 ,   HPMCNT_EVENT_LOAD = 8 , HPMCNT_EVENT_STORE = 9 , HPMCNT_EVENT_WAIT_LSU = 10 , HPMCNT_EVENT_TRAP = 11 }
enum	NEORV32_PMPCFG_ATTRIBUTES_enum {   PMPCFG_R = 0 , PMPCFG_W = 1 , PMPCFG_X = 2 , PMPCFG_A_LSB = 3 ,   PMPCFG_A_MSB = 4 , PMPCFG_L = 7 }
enum	NEORV32_PMP_MODES_enum { PMP_OFF = 0 , PMP_TOR = 1 , PMP_NA4 = 2 , PMP_NAPOT = 3 }
enum	NEORV32_EXCEPTION_CODES_enum {   TRAP_CODE_I_MISALIGNED = 0x00000000U , TRAP_CODE_I_ACCESS = 0x00000001U , TRAP_CODE_I_ILLEGAL = 0x00000002U , TRAP_CODE_BREAKPOINT = 0x00000003U ,   TRAP_CODE_L_MISALIGNED = 0x00000004U , TRAP_CODE_L_ACCESS = 0x00000005U , TRAP_CODE_S_MISALIGNED = 0x00000006U , TRAP_CODE_S_ACCESS = 0x00000007U ,   TRAP_CODE_UENV_CALL = 0x00000008U , TRAP_CODE_MENV_CALL = 0x0000000bU , TRAP_CODE_MSI = 0x80000003U , TRAP_CODE_MTI = 0x80000007U ,   TRAP_CODE_MEI = 0x8000000bU , TRAP_CODE_FIRQ_0 = 0x80000010U , TRAP_CODE_FIRQ_1 = 0x80000011U , TRAP_CODE_FIRQ_2 = 0x80000012U ,   TRAP_CODE_FIRQ_3 = 0x80000013U , TRAP_CODE_FIRQ_4 = 0x80000014U , TRAP_CODE_FIRQ_5 = 0x80000015U , TRAP_CODE_FIRQ_6 = 0x80000016U ,   TRAP_CODE_FIRQ_7 = 0x80000017U , TRAP_CODE_FIRQ_8 = 0x80000018U , TRAP_CODE_FIRQ_9 = 0x80000019U , TRAP_CODE_FIRQ_10 = 0x8000001aU ,   TRAP_CODE_FIRQ_11 = 0x8000001bU , TRAP_CODE_FIRQ_12 = 0x8000001cU , TRAP_CODE_FIRQ_13 = 0x8000001dU , TRAP_CODE_FIRQ_14 = 0x8000001eU ,   TRAP_CODE_FIRQ_15 = 0x8000001fU }

Detailed Description

Control and Status Registers (CSR) definitions.

See also

https://stnolting.github.io/neorv32/sw/files.html

Enumeration Type Documentation

NEORV32_CSR_enum

enum NEORV32_CSR_enum

Available CPU Control and Status Registers (CSRs)

Enumerator
CSR_FFLAGS	0x001 - fflags: Floating-point accrued exception flags (NEORV32_CSR_FFLAGS_enum)
CSR_FRM	0x002 - frm: Floating-point dynamic rounding mode
CSR_FCSR	0x003 - fcsr: Floating-point control/status register (frm + fflags)
CSR_MSTATUS	0x300 - mstatus: Machine status register (NEORV32_CSR_MSTATUS_enum)
CSR_MISA	0x301 - misa: Machine ISA and extensions (NEORV32_CSR_MISA_enum)
CSR_MIE	0x304 - mie: Machine interrupt-enable register (NEORV32_CSR_MIE_enum)
CSR_MTVEC	0x305 - mtvec: Machine trap-handler base address
CSR_MCOUNTEREN	0x305 - mcounteren: Machine counter enable register (NEORV32_CSR_MCOUNTEREN_enum)
CSR_MSTATUSH	0x310 - mstatush: Machine status register - high word
CSR_MCOUNTINHIBIT	0x320 - mcountinhibit: Machine counter-inhibit register (NEORV32_CSR_MCOUNTINHIBIT_enum)
CSR_MENVCFG	0x30a - menvcfg: Machine environment configuration register - low word
CSR_MENVCFGH	0x31a - menvcfgh: Machine environment configuration register - high word
CSR_MHPMEVENT3	0x323 - mhpmevent3: Machine hardware performance monitor event selector 3 (NEORV32_HPMCNT_EVENT_enum)
CSR_MHPMEVENT4	0x324 - mhpmevent4: Machine hardware performance monitor event selector 4 (NEORV32_HPMCNT_EVENT_enum)
CSR_MHPMEVENT5	0x325 - mhpmevent5: Machine hardware performance monitor event selector 5 (NEORV32_HPMCNT_EVENT_enum)
CSR_MHPMEVENT6	0x326 - mhpmevent6: Machine hardware performance monitor event selector 6 (NEORV32_HPMCNT_EVENT_enum)
CSR_MHPMEVENT7	0x327 - mhpmevent7: Machine hardware performance monitor event selector 7 (NEORV32_HPMCNT_EVENT_enum)
CSR_MHPMEVENT8	0x328 - mhpmevent8: Machine hardware performance monitor event selector 8 (NEORV32_HPMCNT_EVENT_enum)
CSR_MHPMEVENT9	0x329 - mhpmevent9: Machine hardware performance monitor event selector 9 (NEORV32_HPMCNT_EVENT_enum)
CSR_MHPMEVENT10	0x32a - mhpmevent10: Machine hardware performance monitor event selector 10 (NEORV32_HPMCNT_EVENT_enum)
CSR_MHPMEVENT11	0x32b - mhpmevent11: Machine hardware performance monitor event selector 11 (NEORV32_HPMCNT_EVENT_enum)
CSR_MHPMEVENT12	0x32c - mhpmevent12: Machine hardware performance monitor event selector 12 (NEORV32_HPMCNT_EVENT_enum)
CSR_MHPMEVENT13	0x32d - mhpmevent13: Machine hardware performance monitor event selector 13 (NEORV32_HPMCNT_EVENT_enum)
CSR_MHPMEVENT14	0x32e - mhpmevent14: Machine hardware performance monitor event selector 14 (NEORV32_HPMCNT_EVENT_enum)
CSR_MHPMEVENT15	0x32f - mhpmevent15: Machine hardware performance monitor event selector 15 (NEORV32_HPMCNT_EVENT_enum)
CSR_MSCRATCH	0x340 - mscratch: Machine scratch register
CSR_MEPC	0x341 - mepc: Machine exception program counter
CSR_MCAUSE	0x342 - mcause: Machine trap cause (NEORV32_EXCEPTION_CODES_enum)
CSR_MTVAL	0x343 - mtval: Machine trap value
CSR_MIP	0x344 - mip: Machine interrupt pending register (NEORV32_CSR_MIP_enum)
CSR_MTINST	0x34a - mtinst: Machine trap instruction
CSR_PMPCFG0	0x3a0 - pmpcfg0: Physical memory protection configuration register 0: regions 0..3 (NEORV32_PMPCFG_ATTRIBUTES_enum, NEORV32_PMP_MODES_enum)
CSR_PMPCFG1	0x3a1 - pmpcfg1: Physical memory protection configuration register 1: regions 4..7 (NEORV32_PMPCFG_ATTRIBUTES_enum, NEORV32_PMP_MODES_enum)
CSR_PMPCFG2	0x3a2 - pmpcfg2: Physical memory protection configuration register 2: regions 8..11 (NEORV32_PMPCFG_ATTRIBUTES_enum, NEORV32_PMP_MODES_enum)
CSR_PMPCFG3	0x3a3 - pmpcfg3: Physical memory protection configuration register 3: regions 12..15 (NEORV32_PMPCFG_ATTRIBUTES_enum, NEORV32_PMP_MODES_enum)
CSR_PMPADDR0	0x3b0 - pmpaddr0: Physical memory protection address register 0
CSR_PMPADDR1	0x3b1 - pmpaddr1: Physical memory protection address register 1
CSR_PMPADDR2	0x3b2 - pmpaddr2: Physical memory protection address register 2
CSR_PMPADDR3	0x3b3 - pmpaddr3: Physical memory protection address register 3
CSR_PMPADDR4	0x3b4 - pmpaddr4: Physical memory protection address register 4
CSR_PMPADDR5	0x3b5 - pmpaddr5: Physical memory protection address register 5
CSR_PMPADDR6	0x3b6 - pmpaddr6: Physical memory protection address register 6
CSR_PMPADDR7	0x3b7 - pmpaddr7: Physical memory protection address register 7
CSR_PMPADDR8	0x3b8 - pmpaddr8: Physical memory protection address register 8
CSR_PMPADDR9	0x3b9 - pmpaddr9: Physical memory protection address register 9
CSR_PMPADDR10	0x3ba - pmpaddr10: Physical memory protection address register 10
CSR_PMPADDR11	0x3bb - pmpaddr11: Physical memory protection address register 11
CSR_PMPADDR12	0x3bc - pmpaddr12: Physical memory protection address register 12
CSR_PMPADDR13	0x3bd - pmpaddr13: Physical memory protection address register 13
CSR_PMPADDR14	0x3be - pmpaddr14: Physical memory protection address register 14
CSR_PMPADDR15	0x3bf - pmpaddr15: Physical memory protection address register 15
CSR_TSELECT	0x7a0 - tselect: Trigger select
CSR_TDATA1	0x7a1 - tdata1: Trigger data register 0
CSR_TDATA2	0x7a2 - tdata2: Trigger data register 1
CSR_TINFO	0x7a4 - tinfo: Trigger info
CSR_DCSR	0x7b0 - dcsr: Debug status and control register
CSR_DPC	0x7b1 - dpc: Debug program counter
CSR_DSCRATCH0	0x7b2 - dscratch0: Debug scratch register
CSR_CFUREG0	0x800 - cfureg0: custom CFU CSR 0
CSR_CFUREG1	0x801 - cfureg1: custom CFU CSR 1
CSR_CFUREG2	0x802 - cfureg2: custom CFU CSR 2
CSR_CFUREG3	0x803 - cfureg3: custom CFU CSR 3
CSR_MCYCLE	0xb00 - mcycle: Machine cycle counter low word
CSR_MINSTRET	0xb02 - minstret: Machine instructions-retired counter low word
CSR_MHPMCOUNTER3	0xb03 - mhpmcounter3: Machine hardware performance monitor 3 counter low word
CSR_MHPMCOUNTER4	0xb04 - mhpmcounter4: Machine hardware performance monitor 4 counter low word
CSR_MHPMCOUNTER5	0xb05 - mhpmcounter5: Machine hardware performance monitor 5 counter low word
CSR_MHPMCOUNTER6	0xb06 - mhpmcounter6: Machine hardware performance monitor 6 counter low word
CSR_MHPMCOUNTER7	0xb07 - mhpmcounter7: Machine hardware performance monitor 7 counter low word
CSR_MHPMCOUNTER8	0xb08 - mhpmcounter8: Machine hardware performance monitor 8 counter low word
CSR_MHPMCOUNTER9	0xb09 - mhpmcounter9: Machine hardware performance monitor 9 counter low word
CSR_MHPMCOUNTER10	0xb0a - mhpmcounter10: Machine hardware performance monitor 10 counter low word
CSR_MHPMCOUNTER11	0xb0b - mhpmcounter11: Machine hardware performance monitor 11 counter low word
CSR_MHPMCOUNTER12	0xb0c - mhpmcounter12: Machine hardware performance monitor 12 counter low word
CSR_MHPMCOUNTER13	0xb0d - mhpmcounter13: Machine hardware performance monitor 13 counter low word
CSR_MHPMCOUNTER14	0xb0e - mhpmcounter14: Machine hardware performance monitor 14 counter low word
CSR_MHPMCOUNTER15	0xb0f - mhpmcounter15: Machine hardware performance monitor 15 counter low word
CSR_MCYCLEH	0xb80 - mcycleh: Machine cycle counter high word
CSR_MINSTRETH	0xb82 - minstreth: Machine instructions-retired counter high word
CSR_MHPMCOUNTER3H	0xb83 - mhpmcounter3 : Machine hardware performance monitor 3 counter high word
CSR_MHPMCOUNTER4H	0xb84 - mhpmcounter4h: Machine hardware performance monitor 4 counter high word
CSR_MHPMCOUNTER5H	0xb85 - mhpmcounter5h: Machine hardware performance monitor 5 counter high word
CSR_MHPMCOUNTER6H	0xb86 - mhpmcounter6h: Machine hardware performance monitor 6 counter high word
CSR_MHPMCOUNTER7H	0xb87 - mhpmcounter7h: Machine hardware performance monitor 7 counter high word
CSR_MHPMCOUNTER8H	0xb88 - mhpmcounter8h: Machine hardware performance monitor 8 counter high word
CSR_MHPMCOUNTER9H	0xb89 - mhpmcounter9h: Machine hardware performance monitor 9 counter high word
CSR_MHPMCOUNTER10H	0xb8a - mhpmcounter10h: Machine hardware performance monitor 10 counter high word
CSR_MHPMCOUNTER11H	0xb8b - mhpmcounter11h: Machine hardware performance monitor 11 counter high word
CSR_MHPMCOUNTER12H	0xb8c - mhpmcounter12h: Machine hardware performance monitor 12 counter high word
CSR_MHPMCOUNTER13H	0xb8d - mhpmcounter13h: Machine hardware performance monitor 13 counter high word
CSR_MHPMCOUNTER14H	0xb8e - mhpmcounter14h: Machine hardware performance monitor 14 counter high word
CSR_MHPMCOUNTER15H	0xb8f - mhpmcounter15h: Machine hardware performance monitor 15 counter high word
CSR_CYCLE	0xc00 - cycle: User cycle counter low word
CSR_INSTRET	0xc02 - instret: User instructions-retired counter low word
CSR_CYCLEH	0xc80 - cycleh: User cycle counter high word
CSR_INSTRETH	0xc82 - instreth: User instructions-retired counter high word
CSR_MVENDORID	0xf11 - mvendorid: Machine vendor ID
CSR_MARCHID	0xf12 - marchid: Machine architecture ID
CSR_MIMPID	0xf13 - mimpid: Machine implementation ID
CSR_MHARTID	0xf14 - mhartid: Machine hardware thread ID
CSR_MCONFIGPTR	0xf15 - mconfigptr: Machine configuration pointer register
CSR_MXISA	0xfc0 - mxisa: Machine extended ISA and extensions (NEORV32_CSR_XISA_enum)

NEORV32_CSR_FFLAGS_enum

enum NEORV32_CSR_FFLAGS_enum

CPU fflags (fcsr) CSR (r/w): FPU accrued exception flags

Enumerator
CSR_FFLAGS_NX	CPU fflags CSR (0): NX - inexact (r/w)
CSR_FFLAGS_UF	CPU fflags CSR (1): UF - underflow (r/w)
CSR_FFLAGS_OF	CPU fflags CSR (2): OF - overflow (r/w)
CSR_FFLAGS_DZ	CPU fflags CSR (3): DZ - divide by zero (r/w)
CSR_FFLAGS_NV	CPU fflags CSR (4): NV - invalid operation (r/w)

NEORV32_CSR_MCOUNTEREN_enum

enum NEORV32_CSR_MCOUNTEREN_enum

CPU mcountern CSR (r/w): Machine counter-enable register

Enumerator
CSR_MCOUNTEREN_CY	CPU mcountern CSR (0): CY - cycle counter (r/w)
CSR_MCOUNTEREN_IR	CPU mcountern CSR (2): IR instruction-retired counter (r/w)

NEORV32_CSR_MCOUNTINHIBIT_enum

enum NEORV32_CSR_MCOUNTINHIBIT_enum

CPU mcountinhibitCSR (r/w): Machine counter-inhibit

Enumerator
CSR_MCOUNTINHIBIT_CY	CPU mcountinhibit CSR (0): CY - Enable auto-increment of [m]cycle[h] CSR when set (r/w)
CSR_MCOUNTINHIBIT_IR	CPU mcountinhibit CSR (2): IR - Enable auto-increment of [m]instret[h] CSR when set (r/w)
CSR_MCOUNTINHIBIT_HPM3	CPU mcountinhibit CSR (3): HPM3 - Enable auto-increment of hpmcnt3[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM4	CPU mcountinhibit CSR (4): HPM4 - Enable auto-increment of hpmcnt4[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM5	CPU mcountinhibit CSR (5): HPM5 - Enable auto-increment of hpmcnt5[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM6	CPU mcountinhibit CSR (6): HPM6 - Enable auto-increment of hpmcnt6[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM7	CPU mcountinhibit CSR (7): HPM7 - Enable auto-increment of hpmcnt7[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM8	CPU mcountinhibit CSR (8): HPM8 - Enable auto-increment of hpmcnt8[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM9	CPU mcountinhibit CSR (9): HPM9 - Enable auto-increment of hpmcnt9[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM10	CPU mcountinhibit CSR (10): HPM10 - Enable auto-increment of hpmcnt10[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM11	CPU mcountinhibit CSR (11): HPM11 - Enable auto-increment of hpmcnt11[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM12	CPU mcountinhibit CSR (12): HPM12 - Enable auto-increment of hpmcnt12[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM13	CPU mcountinhibit CSR (13): HPM13 - Enable auto-increment of hpmcnt13[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM14	CPU mcountinhibit CSR (14): HPM14 - Enable auto-increment of hpmcnt14[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM15	CPU mcountinhibit CSR (15): HPM15 - Enable auto-increment of hpmcnt15[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM16	CPU mcountinhibit CSR (16): HPM16 - Enable auto-increment of hpmcnt16[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM17	CPU mcountinhibit CSR (17): HPM17 - Enable auto-increment of hpmcnt17[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM18	CPU mcountinhibit CSR (18): HPM18 - Enable auto-increment of hpmcnt18[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM19	CPU mcountinhibit CSR (19): HPM19 - Enable auto-increment of hpmcnt19[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM20	CPU mcountinhibit CSR (20): HPM20 - Enable auto-increment of hpmcnt20[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM21	CPU mcountinhibit CSR (21): HPM21 - Enable auto-increment of hpmcnt21[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM22	CPU mcountinhibit CSR (22): HPM22 - Enable auto-increment of hpmcnt22[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM23	CPU mcountinhibit CSR (23): HPM23 - Enable auto-increment of hpmcnt23[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM24	CPU mcountinhibit CSR (24): HPM24 - Enable auto-increment of hpmcnt24[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM25	CPU mcountinhibit CSR (25): HPM25 - Enable auto-increment of hpmcnt25[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM26	CPU mcountinhibit CSR (26): HPM26 - Enable auto-increment of hpmcnt26[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM27	CPU mcountinhibit CSR (27): HPM27 - Enable auto-increment of hpmcnt27[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM28	CPU mcountinhibit CSR (28): HPM28 - Enable auto-increment of hpmcnt28[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM29	CPU mcountinhibit CSR (29): HPM29 - Enable auto-increment of hpmcnt29[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM30	CPU mcountinhibit CSR (30): HPM30 - Enable auto-increment of hpmcnt30[h] when set (r/w)
CSR_MCOUNTINHIBIT_HPM31	CPU mcountinhibit CSR (31): HPM31 - Enable auto-increment of hpmcnt31[h] when set (r/w)

NEORV32_CSR_MIE_enum

enum NEORV32_CSR_MIE_enum

CPU mie CSR (r/w): Machine interrupt enable

Enumerator
CSR_MIE_MSIE	CPU mie CSR (3): MSIE - Machine software interrupt enable (r/w)
CSR_MIE_MTIE	CPU mie CSR (7): MTIE - Machine timer interrupt enable bit (r/w)
CSR_MIE_MEIE	CPU mie CSR (11): MEIE - Machine external interrupt enable bit (r/w)
CSR_MIE_FIRQ0E	CPU mie CSR (16): FIRQ0E - Fast interrupt channel 0 enable bit (r/w)
CSR_MIE_FIRQ1E	CPU mie CSR (17): FIRQ1E - Fast interrupt channel 1 enable bit (r/w)
CSR_MIE_FIRQ2E	CPU mie CSR (18): FIRQ2E - Fast interrupt channel 2 enable bit (r/w)
CSR_MIE_FIRQ3E	CPU mie CSR (19): FIRQ3E - Fast interrupt channel 3 enable bit (r/w)
CSR_MIE_FIRQ4E	CPU mie CSR (20): FIRQ4E - Fast interrupt channel 4 enable bit (r/w)
CSR_MIE_FIRQ5E	CPU mie CSR (21): FIRQ5E - Fast interrupt channel 5 enable bit (r/w)
CSR_MIE_FIRQ6E	CPU mie CSR (22): FIRQ6E - Fast interrupt channel 6 enable bit (r/w)
CSR_MIE_FIRQ7E	CPU mie CSR (23): FIRQ7E - Fast interrupt channel 7 enable bit (r/w)
CSR_MIE_FIRQ8E	CPU mie CSR (24): FIRQ8E - Fast interrupt channel 8 enable bit (r/w)
CSR_MIE_FIRQ9E	CPU mie CSR (25): FIRQ9E - Fast interrupt channel 9 enable bit (r/w)
CSR_MIE_FIRQ10E	CPU mie CSR (26): FIRQ10E - Fast interrupt channel 10 enable bit (r/w)
CSR_MIE_FIRQ11E	CPU mie CSR (27): FIRQ11E - Fast interrupt channel 11 enable bit (r/w)
CSR_MIE_FIRQ12E	CPU mie CSR (28): FIRQ12E - Fast interrupt channel 12 enable bit (r/w)
CSR_MIE_FIRQ13E	CPU mie CSR (29): FIRQ13E - Fast interrupt channel 13 enable bit (r/w)
CSR_MIE_FIRQ14E	CPU mie CSR (30): FIRQ14E - Fast interrupt channel 14 enable bit (r/w)
CSR_MIE_FIRQ15E	CPU mie CSR (31): FIRQ15E - Fast interrupt channel 15 enable bit (r/w)

NEORV32_CSR_MIP_enum

enum NEORV32_CSR_MIP_enum

CPU mip CSR (r/-): Machine interrupt pending

Enumerator
CSR_MIP_MSIP	CPU mip CSR (3): MSIP - Machine software interrupt pending (r/-)
CSR_MIP_MTIP	CPU mip CSR (7): MTIP - Machine timer interrupt pending (r/-)
CSR_MIP_MEIP	CPU mip CSR (11): MEIP - Machine external interrupt pending (r/-)
CSR_MIP_FIRQ0P	CPU mip CSR (16): FIRQ0P - Fast interrupt channel 0 pending (r/-)
CSR_MIP_FIRQ1P	CPU mip CSR (17): FIRQ1P - Fast interrupt channel 1 pending (r/-)
CSR_MIP_FIRQ2P	CPU mip CSR (18): FIRQ2P - Fast interrupt channel 2 pending (r/-)
CSR_MIP_FIRQ3P	CPU mip CSR (19): FIRQ3P - Fast interrupt channel 3 pending (r/-)
CSR_MIP_FIRQ4P	CPU mip CSR (20): FIRQ4P - Fast interrupt channel 4 pending (r/-)
CSR_MIP_FIRQ5P	CPU mip CSR (21): FIRQ5P - Fast interrupt channel 5 pending (r/-)
CSR_MIP_FIRQ6P	CPU mip CSR (22): FIRQ6P - Fast interrupt channel 6 pending (r/-)
CSR_MIP_FIRQ7P	CPU mip CSR (23): FIRQ7P - Fast interrupt channel 7 pending (r/-)
CSR_MIP_FIRQ8P	CPU mip CSR (24): FIRQ8P - Fast interrupt channel 8 pending (r/-)
CSR_MIP_FIRQ9P	CPU mip CSR (25): FIRQ9P - Fast interrupt channel 9 pending (r/-)
CSR_MIP_FIRQ10P	CPU mip CSR (26): FIRQ10P - Fast interrupt channel 10 pending (r/-)
CSR_MIP_FIRQ11P	CPU mip CSR (27): FIRQ11P - Fast interrupt channel 11 pending (r/-)
CSR_MIP_FIRQ12P	CPU mip CSR (28): FIRQ12P - Fast interrupt channel 12 pending (r/-)
CSR_MIP_FIRQ13P	CPU mip CSR (29): FIRQ13P - Fast interrupt channel 13 pending (r/-)
CSR_MIP_FIRQ14P	CPU mip CSR (30): FIRQ14P - Fast interrupt channel 14 pending (r/-)
CSR_MIP_FIRQ15P	CPU mip CSR (31): FIRQ15P - Fast interrupt channel 15 pending (r/-)

NEORV32_CSR_MISA_enum

enum NEORV32_CSR_MISA_enum

CPU misa CSR (r/-): Machine instruction set extensions

Enumerator
CSR_MISA_B	CPU misa CSR (1): B: Bit manipulation CPU extension available (r/-)
CSR_MISA_C	CPU misa CSR (2): C: Compressed instructions CPU extension available (r/-)
CSR_MISA_E	CPU misa CSR (4): E: Embedded CPU extension available (r/-)
CSR_MISA_I	CPU misa CSR (8): I: Base integer ISA CPU extension available (r/-)
CSR_MISA_M	CPU misa CSR (12): M: Multiplier/divider CPU extension available (r/-)
CSR_MISA_U	CPU misa CSR (20): U: User mode CPU extension available (r/-)
CSR_MISA_X	CPU misa CSR (23): X: Non-standard CPU extension available (r/-)
CSR_MISA_MXL_LO	CPU misa CSR (30): MXL.lo: CPU data width (r/-)
CSR_MISA_MXL_HI	CPU misa CSR (31): MXL.Hi: CPU data width (r/-)

NEORV32_CSR_MSTATUS_enum

enum NEORV32_CSR_MSTATUS_enum

CPU mstatus CSR (r/w): Machine status

Enumerator
CSR_MSTATUS_MIE	CPU mstatus CSR (3): MIE - Machine interrupt enable bit (r/w)
CSR_MSTATUS_MPIE	CPU mstatus CSR (7): MPIE - Machine previous interrupt enable bit (r/w)
CSR_MSTATUS_MPP_L	CPU mstatus CSR (11): MPP_L - Machine previous privilege mode bit low (r/w)
CSR_MSTATUS_MPP_H	CPU mstatus CSR (12): MPP_H - Machine previous privilege mode bit high (r/w)
CSR_MSTATUS_MPRV	CPU mstatus CSR (17): MPRV - Use MPP as effective privilege for M-mode load/stores when set (r/w)
CSR_MSTATUS_TW	CPU mstatus CSR (21): TW - Disallow execution of wfi instruction in user mode when set (r/w)

NEORV32_CSR_XISA_enum

enum NEORV32_CSR_XISA_enum

CPU mxisa CSR (r/-): Machine extended instruction set extensions (NEORV32-specific)

Enumerator
CSR_MXISA_ZICSR	CPU mxisa CSR (0): privileged architecture (r/-)
CSR_MXISA_ZIFENCEI	CPU mxisa CSR (1): instruction stream sync (r/-)
CSR_MXISA_ZMMUL	CPU mxisa CSR (2): hardware mul/div (r/-)
CSR_MXISA_ZXCFU	CPU mxisa CSR (3): custom RISC-V instructions (r/-)
CSR_MXISA_ZKT	CPU mxisa CSR (4): data independent execution time (of cryptographic operations) (r/-)
CSR_MXISA_ZFINX	CPU mxisa CSR (5): FPU using x registers (r/-)
CSR_MXISA_ZICOND	CPU mxisa CSR (6): integer conditional operations (r/-)
CSR_MXISA_ZICNTR	CPU mxisa CSR (7): standard instruction, cycle and time counter CSRs (r/-)
CSR_MXISA_SMPMP	CPU mxisa CSR (8): physical memory protection (r/-)
CSR_MXISA_ZIHPM	CPU mxisa CSR (9): hardware performance monitors (r/-)
CSR_MXISA_SDEXT	CPU mxisa CSR (10): RISC-V debug mode (r/-)
CSR_MXISA_SDTRIG	CPU mxisa CSR (11): RISC-V trigger module (r/-)
CSR_MXISA_ZBKX	CPU mxisa CSR (12): scalar cryptography - crossbar permutation (r/-)
CSR_MXISA_ZKND	CPU mxisa CSR (13): scalar cryptography - NIST AES decryption (r/-)
CSR_MXISA_ZKNE	CPU mxisa CSR (14): scalar cryptography - NIST AES encryption (r/-)
CSR_MXISA_ZKNH	CPU mxisa CSR (15): scalar cryptography - NIST hash functions (r/-)
CSR_MXISA_ZBKB	CPU mxisa CSR (16): scalar cryptography - bit manipulation instructions (r/-)
CSR_MXISA_ZBKC	CPU mxisa CSR (17): scalar cryptography - carry-less multiplication instructions (r/-)
CSR_MXISA_ZKN	CPU mxisa CSR (18): scalar cryptography - NIST algorithm suite (r/-)
CSR_MXISA_ZKSH	CPU mxisa CSR (19): scalar cryptography - ShangMi hash functions (r/-)
CSR_MXISA_ZKSED	CPU mxisa CSR (20): scalar cryptography - ShangMi block cyphers (r/-)
CSR_MXISA_ZKS	CPU mxisa CSR (21): scalar cryptography - ShangMi algorithm suite (r/-)
CSR_MXISA_ZBA	CPU mxisa CSR (22): shifted-add bit-manipulation operations (r/-)
CSR_MXISA_ZBB	CPU mxisa CSR (23): basic bit-manipulation operations (r/-)
CSR_MXISA_ZBS	CPU mxisa CSR (24): single-bit bit-manipulation operations (r/-)
CSR_MXISA_ZALRSC	CPU mxisa CSR (25): atomic reservation-set operations (r/-)
CSR_MXISA_RFHWRST	CPU mxisa CSR (28): register file has full hardware reset (r/-)
CSR_MXISA_FASTMUL	CPU mxisa CSR (29): DSP-based multiplication (M extensions only) (r/-)
CSR_MXISA_FASTSHIFT	CPU mxisa CSR (30): parallel logic for shifts (barrel shifters) (r/-)
CSR_MXISA_IS_SIM	CPU mxisa CSR (31): this might be a simulation when set (r/-)

NEORV32_EXCEPTION_CODES_enum

enum NEORV32_EXCEPTION_CODES_enum

Trap codes from mcause CSR.

Enumerator
TRAP_CODE_I_MISALIGNED	0.0: Instruction address misaligned
TRAP_CODE_I_ACCESS	0.1: Instruction (bus) access fault
TRAP_CODE_I_ILLEGAL	0.2: Illegal instruction
TRAP_CODE_BREAKPOINT	0.3: Breakpoint (EBREAK instruction)
TRAP_CODE_L_MISALIGNED	0.4: Load address misaligned
TRAP_CODE_L_ACCESS	0.5: Load (bus) access fault
TRAP_CODE_S_MISALIGNED	0.6: Store address misaligned
TRAP_CODE_S_ACCESS	0.7: Store (bus) access fault
TRAP_CODE_UENV_CALL	0.8: Environment call from user mode (ECALL instruction)
TRAP_CODE_MENV_CALL	0.11: Environment call from machine mode (ECALL instruction)
TRAP_CODE_MSI	1.3: Machine software interrupt
TRAP_CODE_MTI	1.7: Machine timer interrupt
TRAP_CODE_MEI	1.11: Machine external interrupt
TRAP_CODE_FIRQ_0	1.16: Fast interrupt channel 0
TRAP_CODE_FIRQ_1	1.17: Fast interrupt channel 1
TRAP_CODE_FIRQ_2	1.18: Fast interrupt channel 2
TRAP_CODE_FIRQ_3	1.19: Fast interrupt channel 3
TRAP_CODE_FIRQ_4	1.20: Fast interrupt channel 4
TRAP_CODE_FIRQ_5	1.21: Fast interrupt channel 5
TRAP_CODE_FIRQ_6	1.22: Fast interrupt channel 6
TRAP_CODE_FIRQ_7	1.23: Fast interrupt channel 7
TRAP_CODE_FIRQ_8	1.24: Fast interrupt channel 8
TRAP_CODE_FIRQ_9	1.25: Fast interrupt channel 9
TRAP_CODE_FIRQ_10	1.26: Fast interrupt channel 10
TRAP_CODE_FIRQ_11	1.27: Fast interrupt channel 11
TRAP_CODE_FIRQ_12	1.28: Fast interrupt channel 12
TRAP_CODE_FIRQ_13	1.29: Fast interrupt channel 13
TRAP_CODE_FIRQ_14	1.30: Fast interrupt channel 14
TRAP_CODE_FIRQ_15	1.31: Fast interrupt channel 15

NEORV32_HPMCNT_EVENT_enum

enum NEORV32_HPMCNT_EVENT_enum

CPU mhpmevent hardware performance monitor events

Enumerator
HPMCNT_EVENT_CY	CPU mhpmevent CSR (0): Active cycle
HPMCNT_EVENT_TM	CPU mhpmevent CSR (1): Reserved
HPMCNT_EVENT_IR	CPU mhpmevent CSR (2): Retired instruction
HPMCNT_EVENT_COMPR	CPU mhpmevent CSR (3): Executed compressed instruction
HPMCNT_EVENT_WAIT_DIS	CPU mhpmevent CSR (4): Instruction dispatch wait cycle
HPMCNT_EVENT_WAIT_ALU	CPU mhpmevent CSR (5): Multi-cycle ALU co-processor wait cycle
HPMCNT_EVENT_BRANCH	CPU mhpmevent CSR (6): Executed branch instruction
HPMCNT_EVENT_BRANCHED	CPU mhpmevent CSR (7): Control flow transfer
HPMCNT_EVENT_LOAD	CPU mhpmevent CSR (8): Executed load operation
HPMCNT_EVENT_STORE	CPU mhpmevent CSR (9): Executed store operation
HPMCNT_EVENT_WAIT_LSU	CPU mhpmevent CSR (10): Load-store unit memory wait cycle
HPMCNT_EVENT_TRAP	CPU mhpmevent CSR (11): Entered trap

NEORV32_PMP_MODES_enum

enum NEORV32_PMP_MODES_enum

PMP modes

Enumerator
PMP_OFF	'00': entry disabled
PMP_TOR	'01': TOR mode (top of region)
PMP_NA4	'10': Naturally-aligned power of two region (4 bytes)
PMP_NAPOT	'11': Naturally-aligned power of two region (greater than 4 bytes )

NEORV32_PMPCFG_ATTRIBUTES_enum

enum NEORV32_PMPCFG_ATTRIBUTES_enum

CPU pmpcfg PMP configuration attributes

Enumerator
PMPCFG_R	CPU pmpcfg attribute (0): Read
PMPCFG_W	CPU pmpcfg attribute (1): Write
PMPCFG_X	CPU pmpcfg attribute (2): Execute
PMPCFG_A_LSB	CPU pmpcfg attribute (3): Mode LSB NEORV32_PMP_MODES_enum
PMPCFG_A_MSB	CPU pmpcfg attribute (4): Mode MSB NEORV32_PMP_MODES_enum
PMPCFG_L	CPU pmpcfg attribute (7): Locked