Package ibex_pkg

Typedefs

Name

Actual Type

Description
ibex_mubi_t

logic[IbexMuBiWidth-1:0]
lfsr_perm_t

logic[LfsrWidth-1:0][$clog2(LfsrWidth)-1:0]
lfsr_seed_t

logic[LfsrWidth-1:0]

Enums

alu_op_e

////////////////// ALU operations // //////////////////

Enum Items:

  • ALU_ADD

    Arithmetics

  • ALU_SUB

  • ALU_XOR

    Logics

  • ALU_OR

  • ALU_AND

  • ALU_XNOR

    RV32B

  • ALU_ORN

  • ALU_ANDN

  • ALU_SRA

    Shifts

  • ALU_SRL

  • ALU_SLL

  • ALU_SRO

    RV32B

  • ALU_SLO

  • ALU_ROR

  • ALU_ROL

  • ALU_GREV

  • ALU_GORC

  • ALU_SHFL

  • ALU_UNSHFL

  • ALU_XPERM_N

  • ALU_XPERM_B

  • ALU_XPERM_H

  • ALU_SH1ADD

    Address Calculations RV32B

  • ALU_SH2ADD

  • ALU_SH3ADD

  • ALU_LT

    Comparisons

  • ALU_LTU

  • ALU_GE

  • ALU_GEU

  • ALU_EQ

  • ALU_NE

  • ALU_MIN

    RV32B

  • ALU_MINU

  • ALU_MAX

  • ALU_MAXU

  • ALU_PACK

    Pack RV32B

  • ALU_PACKU

  • ALU_PACKH

  • ALU_SEXTB

    Sign-Extend RV32B

  • ALU_SEXTH

  • ALU_CLZ

    Bitcounting RV32B

  • ALU_CTZ

  • ALU_CPOP

  • ALU_SLT

    Set lower than

  • ALU_SLTU

  • ALU_CMOV

    Ternary Bitmanip Operations RV32B

  • ALU_CMIX

  • ALU_FSL

  • ALU_FSR

  • ALU_BSET

    Single-Bit Operations RV32B

  • ALU_BCLR

  • ALU_BINV

  • ALU_BEXT

  • ALU_BCOMPRESS

    Bit Compress / Decompress RV32B

  • ALU_BDECOMPRESS

  • ALU_BFP

    Bit Field Place RV32B

  • ALU_CLMUL

    Carry-less Multiply RV32B

  • ALU_CLMULR

  • ALU_CLMULH

  • ALU_CRC32_B

    Cyclic Redundancy Check

  • ALU_CRC32C_B

  • ALU_CRC32_H

  • ALU_CRC32C_H

  • ALU_CRC32_W

  • ALU_CRC32C_W

csr_num_e

CSRs

Enum Items:

  • CSR_MVENDORID = 12'hF11

    Machine information

  • CSR_MARCHID = 12'hF12

  • CSR_MIMPID = 12'hF13

  • CSR_MHARTID = 12'hF14

  • CSR_MCONFIGPTR = 12'hF15

  • CSR_MSTATUS = 12'h300

    Machine trap setup

  • CSR_MISA = 12'h301

  • CSR_MIE = 12'h304

  • CSR_MTVEC = 12'h305

  • CSR_MCOUNTEREN = 12'h306

  • CSR_MSTATUSH = 12'h310

  • CSR_MENVCFG = 12'h30A

  • CSR_MENVCFGH = 12'h31A

  • CSR_MSCRATCH = 12'h340

    Machine trap handling

  • CSR_MEPC = 12'h341

  • CSR_MCAUSE = 12'h342

  • CSR_MTVAL = 12'h343

  • CSR_MIP = 12'h344

  • CSR_PMPCFG0 = 12'h3A0

    Physical memory protection

  • CSR_PMPCFG1 = 12'h3A1

  • CSR_PMPCFG2 = 12'h3A2

  • CSR_PMPCFG3 = 12'h3A3

  • CSR_PMPADDR0 = 12'h3B0

  • CSR_PMPADDR1 = 12'h3B1

  • CSR_PMPADDR2 = 12'h3B2

  • CSR_PMPADDR3 = 12'h3B3

  • CSR_PMPADDR4 = 12'h3B4

  • CSR_PMPADDR5 = 12'h3B5

  • CSR_PMPADDR6 = 12'h3B6

  • CSR_PMPADDR7 = 12'h3B7

  • CSR_PMPADDR8 = 12'h3B8

  • CSR_PMPADDR9 = 12'h3B9

  • CSR_PMPADDR10 = 12'h3BA

  • CSR_PMPADDR11 = 12'h3BB

  • CSR_PMPADDR12 = 12'h3BC

  • CSR_PMPADDR13 = 12'h3BD

  • CSR_PMPADDR14 = 12'h3BE

  • CSR_PMPADDR15 = 12'h3BF

  • CSR_SCONTEXT = 12'h5A8

  • CSR_MSECCFG = 12'h747

    ePMP control

  • CSR_MSECCFGH = 12'h757

  • CSR_TSELECT = 12'h7A0

    Debug trigger

  • CSR_TDATA1 = 12'h7A1

  • CSR_TDATA2 = 12'h7A2

  • CSR_TDATA3 = 12'h7A3

  • CSR_MCONTEXT = 12'h7A8

  • CSR_MSCONTEXT = 12'h7AA

  • CSR_DCSR = 12'h7b0

    Debug/trace

  • CSR_DPC = 12'h7b1

  • CSR_DSCRATCH0 = 12'h7b2

    Debug optional

  • CSR_DSCRATCH1 = 12'h7b3

    optional

  • CSR_MCOUNTINHIBIT = 12'h320

    Machine Counter/Timers

  • CSR_MHPMEVENT3 = 12'h323

  • CSR_MHPMEVENT4 = 12'h324

  • CSR_MHPMEVENT5 = 12'h325

  • CSR_MHPMEVENT6 = 12'h326

  • CSR_MHPMEVENT7 = 12'h327

  • CSR_MHPMEVENT8 = 12'h328

  • CSR_MHPMEVENT9 = 12'h329

  • CSR_MHPMEVENT10 = 12'h32A

  • CSR_MHPMEVENT11 = 12'h32B

  • CSR_MHPMEVENT12 = 12'h32C

  • CSR_MHPMEVENT13 = 12'h32D

  • CSR_MHPMEVENT14 = 12'h32E

  • CSR_MHPMEVENT15 = 12'h32F

  • CSR_MHPMEVENT16 = 12'h330

  • CSR_MHPMEVENT17 = 12'h331

  • CSR_MHPMEVENT18 = 12'h332

  • CSR_MHPMEVENT19 = 12'h333

  • CSR_MHPMEVENT20 = 12'h334

  • CSR_MHPMEVENT21 = 12'h335

  • CSR_MHPMEVENT22 = 12'h336

  • CSR_MHPMEVENT23 = 12'h337

  • CSR_MHPMEVENT24 = 12'h338

  • CSR_MHPMEVENT25 = 12'h339

  • CSR_MHPMEVENT26 = 12'h33A

  • CSR_MHPMEVENT27 = 12'h33B

  • CSR_MHPMEVENT28 = 12'h33C

  • CSR_MHPMEVENT29 = 12'h33D

  • CSR_MHPMEVENT30 = 12'h33E

  • CSR_MHPMEVENT31 = 12'h33F

  • CSR_MCYCLE = 12'hB00

  • CSR_MINSTRET = 12'hB02

  • CSR_MHPMCOUNTER3 = 12'hB03

  • CSR_MHPMCOUNTER4 = 12'hB04

  • CSR_MHPMCOUNTER5 = 12'hB05

  • CSR_MHPMCOUNTER6 = 12'hB06

  • CSR_MHPMCOUNTER7 = 12'hB07

  • CSR_MHPMCOUNTER8 = 12'hB08

  • CSR_MHPMCOUNTER9 = 12'hB09

  • CSR_MHPMCOUNTER10 = 12'hB0A

  • CSR_MHPMCOUNTER11 = 12'hB0B

  • CSR_MHPMCOUNTER12 = 12'hB0C

  • CSR_MHPMCOUNTER13 = 12'hB0D

  • CSR_MHPMCOUNTER14 = 12'hB0E

  • CSR_MHPMCOUNTER15 = 12'hB0F

  • CSR_MHPMCOUNTER16 = 12'hB10

  • CSR_MHPMCOUNTER17 = 12'hB11

  • CSR_MHPMCOUNTER18 = 12'hB12

  • CSR_MHPMCOUNTER19 = 12'hB13

  • CSR_MHPMCOUNTER20 = 12'hB14

  • CSR_MHPMCOUNTER21 = 12'hB15

  • CSR_MHPMCOUNTER22 = 12'hB16

  • CSR_MHPMCOUNTER23 = 12'hB17

  • CSR_MHPMCOUNTER24 = 12'hB18

  • CSR_MHPMCOUNTER25 = 12'hB19

  • CSR_MHPMCOUNTER26 = 12'hB1A

  • CSR_MHPMCOUNTER27 = 12'hB1B

  • CSR_MHPMCOUNTER28 = 12'hB1C

  • CSR_MHPMCOUNTER29 = 12'hB1D

  • CSR_MHPMCOUNTER30 = 12'hB1E

  • CSR_MHPMCOUNTER31 = 12'hB1F

  • CSR_MCYCLEH = 12'hB80

  • CSR_MINSTRETH = 12'hB82

  • CSR_MHPMCOUNTER3H = 12'hB83

  • CSR_MHPMCOUNTER4H = 12'hB84

  • CSR_MHPMCOUNTER5H = 12'hB85

  • CSR_MHPMCOUNTER6H = 12'hB86

  • CSR_MHPMCOUNTER7H = 12'hB87

  • CSR_MHPMCOUNTER8H = 12'hB88

  • CSR_MHPMCOUNTER9H = 12'hB89

  • CSR_MHPMCOUNTER10H = 12'hB8A

  • CSR_MHPMCOUNTER11H = 12'hB8B

  • CSR_MHPMCOUNTER12H = 12'hB8C

  • CSR_MHPMCOUNTER13H = 12'hB8D

  • CSR_MHPMCOUNTER14H = 12'hB8E

  • CSR_MHPMCOUNTER15H = 12'hB8F

  • CSR_MHPMCOUNTER16H = 12'hB90

  • CSR_MHPMCOUNTER17H = 12'hB91

  • CSR_MHPMCOUNTER18H = 12'hB92

  • CSR_MHPMCOUNTER19H = 12'hB93

  • CSR_MHPMCOUNTER20H = 12'hB94

  • CSR_MHPMCOUNTER21H = 12'hB95

  • CSR_MHPMCOUNTER22H = 12'hB96

  • CSR_MHPMCOUNTER23H = 12'hB97

  • CSR_MHPMCOUNTER24H = 12'hB98

  • CSR_MHPMCOUNTER25H = 12'hB99

  • CSR_MHPMCOUNTER26H = 12'hB9A

  • CSR_MHPMCOUNTER27H = 12'hB9B

  • CSR_MHPMCOUNTER28H = 12'hB9C

  • CSR_MHPMCOUNTER29H = 12'hB9D

  • CSR_MHPMCOUNTER30H = 12'hB9E

  • CSR_MHPMCOUNTER31H = 12'hB9F

  • CSR_CPUCTRLSTS = 12'h7C0

  • CSR_SECURESEED = 12'h7C1

csr_op_e

CSR operations

Enum Items:

  • CSR_OP_READ

  • CSR_OP_WRITE

  • CSR_OP_SET

  • CSR_OP_CLEAR

ctrl_fsm_e

Controller FSM state encoding

Enum Items:

  • RESET

  • BOOT_SET

  • WAIT_SLEEP

  • SLEEP

  • FIRST_FETCH

  • DECODE

  • FLUSH

  • IRQ_TAKEN

  • DBG_TAKEN_IF

  • DBG_TAKEN_ID

dbg_cause_e

Debug cause

Enum Items:

  • DBG_CAUSE_NONE = 3'h0

  • DBG_CAUSE_EBREAK = 3'h1

  • DBG_CAUSE_TRIGGER = 3'h2

  • DBG_CAUSE_HALTREQ = 3'h3

  • DBG_CAUSE_STEP = 3'h4

exc_pc_sel_e

Exception PC mux selection

Enum Items:

  • EXC_PC_EXC

  • EXC_PC_IRQ

  • EXC_PC_DBD

  • EXC_PC_DBG_EXC

    Exception while in debug mode

imm_a_sel_e

Immediate a selection

Enum Items:

  • IMM_A_Z

  • IMM_A_ZERO

imm_b_sel_e

Immediate b selection

Enum Items:

  • IMM_B_I

  • IMM_B_S

  • IMM_B_B

  • IMM_B_U

  • IMM_B_J

  • IMM_B_INCR_PC

  • IMM_B_INCR_ADDR

md_op_e
Enum Items:

  • MD_OP_MULL

    Multiplier/divider

  • MD_OP_MULH

  • MD_OP_DIV

  • MD_OP_REM

nmi_int_cause_e

Internal NMI cause

Enum Items:

  • NMI_INT_CAUSE_ECC = 5'b0

op_a_sel_e

Operand a selection

Enum Items:

  • OP_A_REG_A

  • OP_A_FWD

  • OP_A_CURRPC

  • OP_A_IMM

op_b_sel_e

Operand b selection

Enum Items:

  • OP_B_REG_B

  • OP_B_IMM

opcode_e

/////////// Opcodes // ///////////

Enum Items:

  • OPCODE_LOAD = 7'h03

  • OPCODE_MISC_MEM = 7'h0f

  • OPCODE_OP_IMM = 7'h13

  • OPCODE_AUIPC = 7'h17

  • OPCODE_STORE = 7'h23

  • OPCODE_OP = 7'h33

  • OPCODE_LUI = 7'h37

  • OPCODE_BRANCH = 7'h63

  • OPCODE_JALR = 7'h67

  • OPCODE_JAL = 7'h6f

  • OPCODE_SYSTEM = 7'h73

pc_sel_e

PC mux selection

Enum Items:

  • PC_BOOT

  • PC_JUMP

  • PC_EXC

  • PC_ERET

  • PC_DRET

  • PC_BP

pmp_cfg_mode_e

PMP cfg structures

Enum Items:

  • PMP_MODE_OFF = 2'b00

  • PMP_MODE_TOR = 2'b01

  • PMP_MODE_NA4 = 2'b10

  • PMP_MODE_NAPOT = 2'b11

pmp_req_e
Enum Items:

  • PMP_ACC_EXEC = 2'b00

  • PMP_ACC_WRITE = 2'b01

  • PMP_ACC_READ = 2'b10

priv_lvl_e

Privileged mode

Enum Items:

  • PRIV_LVL_M = 2'b11

  • PRIV_LVL_H = 2'b10

  • PRIV_LVL_S = 2'b01

  • PRIV_LVL_U = 2'b00

regfile_e

/////////////////// Parameter Enums // ///////////////////

Enum Items:

  • RegFileFF = 0

  • RegFileFPGA = 1

  • RegFileLatch = 2

rf_wd_sel_e

Regfile write data selection

Enum Items:

  • RF_WD_EX

  • RF_WD_CSR

rv32b_e
Enum Items:

  • RV32BNone = 0

  • RV32BBalanced = 1

  • RV32BOTEarlGrey = 2

  • RV32BFull = 3

rv32m_e
Enum Items:

  • RV32MNone = 0

  • RV32MSlow = 1

  • RV32MFast = 2

  • RV32MSingleCycle = 3

wb_instr_type_e

Type of instruction present in writeback stage

Enum Items:

  • WB_INSTR_LOAD

    Instruction is awaiting load data

  • WB_INSTR_STORE

    Instruction is awaiting store response

  • WB_INSTR_OTHER

    Instruction doesn't fit into above categories

x_debug_ver_e

Constants for the dcsr.xdebugver fields

Enum Items:

  • XDEBUGVER_NO = 4'd0

    no external debug support

  • XDEBUGVER_STD = 4'd4

    external debug according to RISC-V debug spec

  • XDEBUGVER_NONSTD = 4'd15

    debug not conforming to RISC-V debug spec

Structs

typedef struct packed core2rf_t
raddr_bwe_awaddr_araddr_adumm...161511106540structunionenumfield
Bit Fields

Name

Type

Position

Size

raddr_b

logic[4:0]

0

5

we_a

logic

5

1

waddr_a

logic[4:0]

6

5

raddr_a

logic[4:0]

11

5

dummy_instr_id

logic

16

1
typedef struct packed crash_dump_t

////////////// IO Structs // //////////////

current_pc↪159128structunionenumfieldnext_pc↪12796last_data_addr↪9564exception_pc↪6332exception_addr↪310
Bit Fields

Name

Type

Position

Size

exception_addr

logic[31:0]

0

32

exception_pc

logic[31:0]

32

32

last_data_addr

logic[31:0]

64

32

next_pc

logic[31:0]

96

32

current_pc

logic[31:0]

128

32
typedef struct packed exc_cause_t
lower_causeirq_extirq_int6540structunionenumfield
Bit Fields

Name

Type

Position

Size

lower_cause

logic[4:0]

0

5

irq_ext

logic

5

1

irq_int

logic

6

1
typedef struct packed irqs_t

Interrupt requests

irq_fastirq_...irq_...irq_...171615140structunionenumfield
Bit Fields

Name

Type

Position

Size

irq_fast

logic[14:0]

0

15

irq_external

logic

15

1

irq_timer

logic

16

1

irq_software

logic

17

1
typedef struct packed pmp_cfg_t
readwriteexecmodelock543210structunionenumfield
Bit Fields

Name

Type

Position

Size

read

logic

0

1

write

logic

1

1

exec

logic

2

1

mode

pmp_cfg_mode_e

3

2

lock

logic

5

1
typedef struct packed pmp_mseccfg_t

Machine Security Configuration (ePMP)

mmlmmwprlb210structunionenumfield
Bit Fields

Name

Type

Position

Size

mml

logic

0

1

mmwp

logic

1

1

rlb

logic

2

1