Copyright (c) 2023 Thales DIS France SAS
SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
Author: Mohamed Aziz FRIKHA

REGISTERS CSR CV32A6

Unimplemented CSR accessing generates an illegal instruction exception.

Read-Only CSR write access generates an illegal instruction exception.

MSTATUS:Machine Status Register

AddressOffset: ‘h300

Description:

The mstatus register keeps track of and controls the hart’s current operating state.

BIT

NAME

displayName

Reset

RIGHT

Description

31

SD

State dirty

0x0

read-only,WARL

The SD bit is a read-only bit.``Legal Values``:0. ``Enumerated Values``( “Not_Dirty” :0)( “Dirty” :1)’n’

30:23

reserved_0

Reserved

0x0

read-write,WPRI

Reserved

22

TSR

Trap sret

0x0

read-write,WARL

The TSR bit supports intercepting the supervisor exception return instruction, SRET. ``Enumerated Values``( “Permitted” :0)( “Not_Permitted” :1)’n’

21

TW

Timeout wait

0x0

read-write,WARL

The TW bit supports intercepting the WFI instruction. ``Enumerated Values``( “Permitted” :0)( “Not_Permitted” :1)’n’

20

TVM

Trap virtual memory

0x0

read-write,WARL

The TVM bit supports intercepting supervisor virtual-memory management operations. ``Enumerated Values``( “Permitted” :0)( “Not_Permitted” :1)’n’

19

MXR

Make executable readable

0x0

read-write

The MXR bit modifies the privilege with which loads access virtual memory. ``Enumerated Values``( “Not_Executable” :0)( “Executable” :1)’n’

18

SUM

Supervisor user memory

0x0

read-write

The SUM bit modifies the privilege with which S-mode loads and stores access virtual memory. ``Enumerated Values``( “Not_Permitted” :0)( “Permitted” :1)’n’

17

MPRV

Modify privilege

0x0

read-write

The MPRV bit modifies the privilege mode at which loads and stores execute. Enumerated Values ( “Normal” :0)( “Protected” :1)’n’

16:15

XS

Extension state

0x0

read-only,WARL

The XS field encodes the status of the additional user-mode extensions and associated state.``Legal Values``:0. ``Enumerated Values``( “Off” :0)( “Initial” :1)( “Clean” :2)( “Dirty” :3)’n’

14:13

FS

Floating-point unit state

0x0

read-only,WARL

FS extension is not supported.``Legal Values``:0. ``Enumerated Values``( “Off” :0)( “Initial” :1)( “Clean” :2)( “Dirty” :3)’n’

12:11

MPP

Machine mode prior privilege

0x0

read-write

Holds the previous privilege mode for machine mode. ``Enumerated Values``( “U-mode” :0)( “S-mode” :1)( “Reserved” :2)( “M-mode” :3)’n’

10:9

VS

Vector extension state

0x0

read-only,WARL

V extension is not supported.``Legal Values``:0.

8

SPP

Supervisor mode prior privilege

0x0

read-write

Holds the previous privilege mode for supervisor mode. ``Enumerated Values``( “U-mode” :0)( “Otherwise” :1)’n’

7

MPIE

Machine mode prior interrupt enable

0x0

read-write

Indicates whether machine interrupts were enabled prior to trapping into machine mode. ``Enumerated Values``( “Disabled” :0)( “Enabled” :1)’n’

6

UBE

User mode bit endianess

0x0

read-write,WARL

UBE controls whether explicit load and store memory accesses made from U-mode are little-endian or big-endian.``Legal Values``:0. ``Enumerated Values``( “Little-endian” :0)( “Big-endian” :1)’n’

5

SPIE

Supervisor mode prior interrupt enable

0x0

read-write

Indicates whether supervisor interrupts were enabled prior to trapping into supervisor mode. ``Enumerated Values``( “Disabled” :0)( “Enabled” :1)’n’

4

reserved_1

Reserved

0x0

read-write,WPRI

Reserved

3

MIE

Machine mode interrupt enable

0x0

read-write

Global interrupt-enable bit for Machine mode. ``Enumerated Values``( “Disabled” :0)( “Enabled” :1)’n’

2

reserved_2

Reserved

0x0

read-write,WPRI

Reserved

1

SIE

Supervisor mode interrupt enable

0x0

read-write

Global interrupt-enable bit for Supervisor mode. ``Enumerated Values``( “Disabled” :0)( “Enabled” :1)’n’

0

reserved_3

Reserved

0x0

read-write,WPRI

Reserved

MISA:Machine ISA Register

AddressOffset: ‘h301

Description:

The misa CSR is reporting the ISA supported by the hart.

BIT

NAME

displayName

Reset

RIGHT

Description

31:30

MXL

Machine xlen

0x0

read-write,WARL

The MXL field encodes the native base integer ISA width.``Legal Values``:1. ``Enumerated Values``( “XLEN_32” :1)( “XLEN_64” :2)( “XLEN_128” :3)’n’

29:26

Reserved_26

Reserved

0x0

read-write,WARL

Reserved.``Legal Values:``0.

25:0

Extensions

Extensions

0x141104

read-write,WARL

The Extensions field encodes the presence of the standard extensions, with a single bit per letter of the alphabet.``Legal Values``:0x141104. ``Enumerated Values``( “A” :1)( “B” :2)( “C” :4)( “D” :8)( “E” :16)( “F” :32)( “G” :64)( “H” :128)( “I” :256)( “J” :512)( “K” :1024)( “L” :2048)( “M” :4096)( “N” :8192)( “O” :16384)( “P” :32768)( “Q” :65536)( “R” :131072)( “S” :262144)( “T” :524288)( “U” :1048576)( “V” :2097152)( “W” :4194304)( “X” :8388608)( “Y” :16777216)( “Z” :33554432)’n’

MIE:Machine Interrupt Enable Register

AddressOffset: ‘h304

Description:

This register contains machine interrupt enable bits.

BIT

NAME

displayName

Reset

RIGHT

Description

15:12

Reserved_12

Reserved

0x0

read-write,WARL

Reserved.``Legal Values:``0.

11

MEIE

M-mode external interrupt enable

0x0

read-write,WARL

Enables machine mode external interrupts.

10

Reserved_10

Reserved

0x0

read-write,WARL

Reserved.``Legal Values:``0.

9

SEIE

S-mode external interrupt enable

0x0

read-write,WARL

Enables supervisor mode external interrupts.

8

UEIE

0x0

read-write,WARL

enables U-mode external interrupts.``Legal Values:``0.

7

MTIE

M-mode timer interrupt enable

0x0

read-write,WARL

Enables machine mode timer interrupts.

6

Reserved_6

Reserved

0x0

read-write,WARL

Reserved.``Legal Values:``0.

5

STIE

S-mode timer interrupt enable

0x0

read-write,WARL

Enables supervisor mode timer interrupts.

4

UTIE

0x0

read-write,WARL

timer interrupt-enable bit for U-mode.``Legal Values:``0.

3

MSIE

M-mode software interrupt enable

0x0

read-write

Enables machine mode software interrupts.

2

Reserved_2

Reserved

0x0

read-write,WARL

Reserved.``Legal Values:``0.

1

SSIE

S-mode software interrupt enable

0x0

read-write,WARL

Enables supervisor mode software interrupts.

0

USIE

0x0

read-write,WARL

enable U-mode software interrrupts.``Legal Values:``0.

MTVEC:Machine Trap Vector Register

AddressOffset: ‘h305

Description:

This register holds trap vector configuration, consisting of a vector base address and a vector mode.

BIT

NAME

displayName

Reset

RIGHT

Description

31:2

BASE

0x0

read-write,WARL

The BASE field in mtvec is a WARL field that can hold any valid virtual or physical address, subject to the following alignment constraints: when MODE=Direct the address must be 4-byte aligned, and when MODE=Vectored the address must be 256-byte aligned.

1:0

MODE

0x0

read-write,WARL

Imposes additional alignment constraints on the value in the BASE field.``Legal Values :``0,1. ``Enumerated Values``( “Direct” :0)( “Vectored” :1)( “Reserved_2” :2)( “Reserved_3” :3)’n’

MSTATUSH:Upper 32-bits of Machine Status Register

AddressOffset: ‘h310

Description:

The mstatush is the upper 32-bits of Machine status only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

3:0

reserved_0

Reserved

0x0

read-write,WPRI

Reserved

4

SBE

Supervisor mode bit endianess

0x0

read-write,WARL

SBE controls whether explicit load and store memory accesses made from S-mode are little-endian or big-endian.``Legal Values``:0. ``Enumerated Values``( “Little-endian” :0)( “Big-endian” :1)’n’

5

MBE

Machine mode bit endianess

0x0

read-write,WARL

MBE controls whether explicit load and store memory accesses made from M-mode are little-endian or big-endian.``Legal Values``:0. ``Enumerated Values``( “Little-endian” :0)( “Big-endian” :1)’n’

31:6

reserved_1

Reserved

0x0

read-write,WPRI

Reserved

MHPMEVENT3:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h323

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT4:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h324

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT5:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h325

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT6:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h326

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT7:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h327

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT8:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h328

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT9:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h329

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT10:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h32a

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT11:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h32b

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT12:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h32c

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT13:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h32d

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT14:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h32e

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT15:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h32f

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT16:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h330

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT17:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h331

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT18:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h332

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT19:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h333

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT20:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h334

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT21:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h335

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT22:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h336

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT23:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h337

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT24:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h338

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT25:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h339

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT26:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h33a

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT27:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h33b

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT28:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h33c

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT29:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h33d

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT30:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h33e

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MHPMEVENT31:Machine Hardware Performance-Monitoring Event Selector Register

AddressOffset: ‘h33f

Description:

This register controls which event causes the corresponding counter to increment.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mhpmevent

0x0

WARL

Event selector CSRs.``Legal Values``:0.

MSCRATCH:Machine Scratch Register

AddressOffset: ‘h340

Description:

This register is used to hold a value dedicated to Machine mode. Attempts to access without Machine mode level raise illegal instruction exception.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mscratch

Machine scratch

0x0

read-write

Holds a value dedicated to Machine mode.

MEPC:Machine Exception Program Counter Register

AddressOffset: ‘h341

Description:

This register must be able to hold all valid virtual addresses.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mepc

Machine exception program counter

0x0

read-write,WARL

When a trap is taken into M-mode, mepc is written with the virtual address of the instruction that was interrupted or that encountered the exception.

MCAUSE:Machine Cause Register

AddressOffset: ‘h342

Description:

When a trap is taken into M-mode, mcause is written with a code indicating the event that caused the trap. Machine cause register (mcause) values after trap are shown in the following table.

Interrupt

Exception Code

Description

1

0

Reserved

1

1

Supervisor software interrupt

1

2-4

Reserved

1

5

Supervisor timer interrupt

1

6-8

Reserved

1

9

Supervisor external interrupt

1

10-15

Reserved

1

>=16

Designated for platform use

0

0

Instruction address misaligned

0

1

Instruction access fault

0

2

Illegal instruction

0

3

Breakpoint

0

4

Load address misaligned

0

5

Load access fault

0

6

Store/AMO address misaligned

0

7

Store/AMO access fault

0

8

Environment call from U-mode

0

9

Environment call from S-mode

0

10-11

Reserved

0

12

Instruction page fault

0

13

Load page fault

0

14

Reserved

0

15

Store/AMO page fault

0

16-23

Reserved

0

24-31

Designated for custom use

0

32-47

Reserved

0

48-63

Designated for custom use

0

>=64

Reserved

BIT

NAME

displayName

Reset

RIGHT

Description

31

Interrupt

Interrupt

0x0

read-write

This bit is set if the trap was caused by an interrupt.

30:0

exception_code

Exception code

0x0

read-write,WLRL

This field contains a code identifying the last exception or interrupt.

MTVAL:Machine Trap Value Register

AddressOffset: ‘h343

Description:

When a trap is taken into M-mode, mtval is either set to zero or written with exception-specific information to assist software in handling the trap.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

mtval

Machine trap value

0x0

read-write,WARL

If mtval is written with a nonzero value when a breakpoint, address-misaligned, access-fault, or page-fault exception occurs on an instruction fetch, load, or store, then mtval will contain the faulting virtual address. If mtval is written with a nonzero value when a misaligned load or store causes an access-fault or page-fault exception, then mtval will contain the virtual address of the portion of the access that caused the fault. If mtval is written with a nonzero value when an instruction access-fault or page-fault exception occurs on a system with variable-length instructions, then mtval will contain the virtual address of the portion of the instruction that caused the fault, while mepc will point to the beginning of the instruction.

MIP:Machine Interrupt Pending Register

AddressOffset: ‘h344

Description:

This register contains machine interrupt pending bits.

BIT

NAME

displayName

Reset

RIGHT

Description

15:12

Reserved_12

Reserved

0x0

read-write,WARL

Reserved.``Legal Values:``0.

11

MEIP

M-mode external interrupt pending

0x0

read-only

The interrupt-pending bit for machine-level external interrupts.

10

Reserved_10

Reserved

0x0

read-write,WARL

Reserved.``Legal Values:``0.

9

SEIP

S-mode external interrupt pending

0x0

read-write

The interrupt-pending bit for supervisor-level external interrupts.

8

UEIP

0x0

read-write

enables external interrupts.``Legal Values:``0.

7

MTIP

M-mode timer interrupt pending

0x0

read-only

The interrupt-pending bit for machine-level timer interrupts.

6

Reserved_6

Reserved

0x0

read-write,WARL

Reserved.``Legal Values:``0.

5

STIP

S-mode timer interrupt pending

0x0

read-write

The interrupt-pending bit for supervisor-level timer interrupts.

4

UTIP

0x0

read-write

Correspond to timer interrupt-pending bits for user interrupt.``Legal Values:``0.

3

MSIP

M-mode software interrupt pending

0x0

read-only

The interrupt-pending bit for machine-level software interrupts.

2

Reserved_2

Reserved

0x0

read-write,WARL

Reserved.``Legal Values:``0.

1

SSIP

S-mode software interrupt pending

0x0

read-write

The interrupt-pending bit for supervisor-level software interrupts.

0

USIP

0x0

read-write

A hart to directly write its own USIP bits when running in the appropriate mode.``Legal Values:``0.

PMPCFG0:Physical Memory Protection Config 0 Register

AddressOffset: ‘h3a0

Description:

Holds configuration 0-3.

BIT

NAME

displayName

Reset

RIGHT

Description

31:24

pmp3cfg

Physical memory protection 3 config

0x0

read-write

Holds the configuration.

23:16

pmp2cfg

Physical memory protection 2 config

0x0

read-write

Holds the configuration.

15:8

pmp1cfg

Physical memory protection 1 config

0x0

read-write

Holds the configuration.

7:0

pmp0cfg

Physical memory protection 0 config

0x0

read-write

Holds the configuration.

PMPCFG1:Physical Memory Protection Config 1 Register

AddressOffset: ‘h3a1

Description:

Holds configuration 4-7.

BIT

NAME

displayName

Reset

RIGHT

Description

31:24

pmp7cfg

Physical memory protection 7 config

0x0

read-write

Holds the configuration.

23:16

pmp6cfg

Physical memory protection 6 config

0x0

read-write

Holds the configuration.

15:8

pmp5cfg

Physical memory protection 5 config

0x0

read-write

Holds the configuration.

7:0

pmp4cfg

Physical memory protection 4 config

0x0

read-write

Holds the configuration.

PMPCFG2:Physical Memory Protection Config 2 Register

AddressOffset: ‘h3a2

Description:

Holds configuration 8-11.

BIT

NAME

displayName

Reset

RIGHT

Description

31:24

pmp11cfg

Physical memory protection 11 config

0x0

read-write

Holds the configuration.

23:16

pmp10cfg

Physical memory protection 10 config

0x0

read-write

Holds the configuration.

15:8

pmp9cfg

Physical memory protection 9 config

0x0

read-write

Holds the configuration.

7:0

pmp8cfg

Physical memory protection 8 config

0x0

read-write

Holds the configuration.

PMPCFG3:Physical Memory Protection Config 3 Register

AddressOffset: ‘h3a3

Description:

Holds configuration 12-15.

BIT

NAME

displayName

Reset

RIGHT

Description

31:24

pmp15cfg

Physical memory protection 15 config

0x0

read-write

Holds the configuration.

23:16

pmp14cfg

Physical memory protection 14 config

0x0

read-write

Holds the configuration.

15:8

pmp13cfg

Physical memory protection 13 config

0x0

read-write

Holds the configuration.

7:0

pmp12cfg

Physical memory protection 12 config

0x0

read-write

Holds the configuration.

PMPADDR0:Physical Memory Protection Address Register

AddressOffset: ‘h3b0

Description:

Address register for Physical Memory Protection.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

address

Address

0x0

read-write,WARL

Encodes bits 33-2 of a 34-bit physical address.

PMPADDR1:Physical Memory Protection Address Register

AddressOffset: ‘h3b1

Description:

Address register for Physical Memory Protection.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

address

Address

0x0

read-write,WARL

Encodes bits 33-2 of a 34-bit physical address.

PMPADDR2:Physical Memory Protection Address Register

AddressOffset: ‘h3b2

Description:

Address register for Physical Memory Protection.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

address

Address

0x0

read-write,WARL

Encodes bits 33-2 of a 34-bit physical address.

PMPADDR3:Physical Memory Protection Address Register

AddressOffset: ‘h3b3

Description:

Address register for Physical Memory Protection.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

address

Address

0x0

read-write,WARL

Encodes bits 33-2 of a 34-bit physical address.

PMPADDR4:Physical Memory Protection Address Register

AddressOffset: ‘h3b4

Description:

Address register for Physical Memory Protection.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

address

Address

0x0

read-write,WARL

Encodes bits 33-2 of a 34-bit physical address.

PMPADDR5:Physical Memory Protection Address Register

AddressOffset: ‘h3b5

Description:

Address register for Physical Memory Protection.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

address

Address

0x0

read-write,WARL

Encodes bits 33-2 of a 34-bit physical address.

PMPADDR6:Physical Memory Protection Address Register

AddressOffset: ‘h3b6

Description:

Address register for Physical Memory Protection.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

address

Address

0x0

read-write,WARL

Encodes bits 33-2 of a 34-bit physical address.

PMPADDR7:Physical Memory Protection Address Register

AddressOffset: ‘h3b7

Description:

Address register for Physical Memory Protection.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

address

Address

0x0

read-write,WARL

Encodes bits 33-2 of a 34-bit physical address.

PMPADDR8:Physical Memory Protection Address Register

AddressOffset: ‘h3b8

Description:

Address register for Physical Memory Protection.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

address

Address

0x0

read-write,WARL

Encodes bits 33-2 of a 34-bit physical address.

PMPADDR9:Physical Memory Protection Address Register

AddressOffset: ‘h3b9

Description:

Address register for Physical Memory Protection.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

address

Address

0x0

read-write,WARL

Encodes bits 33-2 of a 34-bit physical address.

PMPADDR10:Physical Memory Protection Address Register

AddressOffset: ‘h3ba

Description:

Address register for Physical Memory Protection.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

address

Address

0x0

read-write,WARL

Encodes bits 33-2 of a 34-bit physical address.

PMPADDR11:Physical Memory Protection Address Register

AddressOffset: ‘h3bb

Description:

Address register for Physical Memory Protection.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

address

Address

0x0

read-write,WARL

Encodes bits 33-2 of a 34-bit physical address.

PMPADDR12:Physical Memory Protection Address Register

AddressOffset: ‘h3bc

Description:

Address register for Physical Memory Protection.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

address

Address

0x0

read-write,WARL

Encodes bits 33-2 of a 34-bit physical address.

PMPADDR13:Physical Memory Protection Address Register

AddressOffset: ‘h3bd

Description:

Address register for Physical Memory Protection.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

address

Address

0x0

read-write,WARL

Encodes bits 33-2 of a 34-bit physical address.

PMPADDR14:Physical Memory Protection Address Register

AddressOffset: ‘h3be

Description:

Address register for Physical Memory Protection.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

address

Address

0x0

read-write,WARL

Encodes bits 33-2 of a 34-bit physical address.

PMPADDR15:Physical Memory Protection Address Register

AddressOffset: ‘h3bf

Description:

Address register for Physical Memory Protection.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

address

Address

0x0

read-write,WARL

Encodes bits 33-2 of a 34-bit physical address.

ICACHE:Instruction Cache Register

AddressOffset: ‘h7C0

Description:

Custom Register to enable/disable for Icache [bit 0]

BIT

NAME

displayName

Reset

RIGHT

Description

31:1

reserved_0

Reserved

0x0

read-only

Reserved

0

icache

Instruction cache

0x1

read-write

Custom Register

MCYCLE:M-mode Cycle counter Register

AddressOffset: ‘hB00

Description:

Counts the number of clock cycles executed by the processor core on which the hart is running.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

read-write

Counts the number of clock cycles executed by the processor core.

MINSTRET:Machine Instruction Retired counter Register

AddressOffset: ‘hB02

Description:

Counts the number of instructions the hart has retired.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

read-write

Counts the number of instructions the hart has retired.

MCYCLEH:Upper 32-bits of M-mode Cycle counter Register

AddressOffset: ‘hB80

Description:

Counts the number of clock cycles executed by the processor core on which the hart is running.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

read-write

Counts the number of clock cycles executed by the processor core.

MINSTRETH:Upper 32-bits of Machine Instruction Retired counter Register

AddressOffset: ‘hB82

Description:

Counts the number of instructions the hart has retired.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

read-write

Counts the number of instructions the hart has retired.

MHPMCOUNTER3:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb03

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER4:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb04

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER5:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb05

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER6:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb06

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER7:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb07

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER8:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb08

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER9:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb09

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER10:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb0a

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER11:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb0b

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER12:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb0c

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER13:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb0d

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER14:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb0e

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER15:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb0f

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER16:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb10

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER17:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb11

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER18:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb12

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER19:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb13

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER20:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb14

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER21:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb15

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER22:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb16

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER23:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb17

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER24:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb18

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER25:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb19

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER26:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb1a

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER27:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb1b

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER28:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb1c

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER29:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb1d

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER30:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb1e

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTER31:Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb1f

Description:

Hardware performance event counter.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH3:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb83

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH4:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb84

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH5:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb85

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH6:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb86

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH7:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb87

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH8:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb88

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH9:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb89

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH10:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb8a

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH11:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb8b

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH12:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb8c

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH13:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb8d

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH14:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb8e

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH15:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb8f

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH16:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb90

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH17:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb91

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH18:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb92

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH19:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb93

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH20:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb94

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH21:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb95

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH22:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb96

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH23:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb97

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH24:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb98

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH25:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb99

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH26:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb9a

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH27:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb9b

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH28:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb9c

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH29:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb9d

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH30:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb9e

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

MHPMCOUNTERH31:Upper 32 bits of Machine Hardware Performance Monitoring Counter Register

AddressOffset: ‘hb9f

Description:

Hardware performance event counter only for RV32.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

WARL

Legal Values: 0.

CYCLE:Cycle counter Register

AddressOffset: ‘hC00

Description:

Cycle counter for RDCYCLE instruction. Shadow of mcycle.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

read-only

Count

INSTRET:Instruction Retired counter Register

AddressOffset: ‘hC02

Description:

Instructions-retired counter for RDINSTRET instruction. Shadow of minstret.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

read-only

Count

CYCLEH:Upper 32-bits of Cycle counter Register

AddressOffset: ‘hC80

Description:

Cycle counter for RDCYCLE instruction. Shadow of mcycleh.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

read-only

Count

INSTRETH:Upper 32-bits of Instruction Retired counter Register

AddressOffset: ‘hC82

Description:

Instructions-retired counter for RDINSTRET instruction. Shadow of minstreth.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

count

Count

0x0

read-only

Count

MVENDORID:Machine Vendor ID Register

AddressOffset: ‘hF11

Description:

This register provids the JEDEC manufacturer ID of the provider of the core.

BIT

NAME

displayName

Reset

RIGHT

Description

31:7

bank

Bank

0xC

read-only

Contain encoding for number of one-byte continuation codes discarding the parity bit.

6:0

offset

Offset

0x2

read-only

Contain encording for the final byte discarding the parity bit.

MARCHID:Machine Architecture ID Register

AddressOffset: ‘hF12

Description:

This register encodes the base microarchitecture of the hart.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

architecture_id

Architecture id

0x3

read-only

Provide Encoding the base microarchitecture of the hart.

MIMPID:Machine Implementation ID Register

AddressOffset: ‘hF13

Description:

Provides a unique encoding of the version of the processor implementation.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

implementation

Implementation

0x0

read-only

Provides unique encoding of the version of the processor implementation.

MHARTID:Machine Hardware Thread ID Register

AddressOffset: ‘hF14

Description:

This register contains the integer ID of the hardware thread running the code.

BIT

NAME

displayName

Reset

RIGHT

Description

31:0

hart_id

Hart id

0x0

read-only

Contains the integer ID of the hardware thread running the code.