hcounteren

Hypervisor Counter Enable

Together with scounteren, delegates control of the hardware performance-monitoring counters to VS/VU-mode

See cycle for a table describing how exceptions occur.

Attributes

CSR Address	0x606
Defining extension	H, version >= 0
Length	32-bit
Privilege Mode	S

CSR Address

0x606

Defining extension

H, version >= 0

Length

32-bit

Privilege Mode

Format

Figure 1. hcounteren format

Field Summary

Name	Location	Type	Reset Value
`CY`	0	RW	UNDEFINED_LEGAL
`TM`	1	RO	0
`IR`	2	RW	UNDEFINED_LEGAL
`HPM3`	3	RW	UNDEFINED_LEGAL
`HPM4`	4	RW	UNDEFINED_LEGAL
`HPM5`	5	RW	UNDEFINED_LEGAL
`HPM6`	6	RW	UNDEFINED_LEGAL
`HPM7`	7	RW	UNDEFINED_LEGAL
`HPM8`	8	RW	UNDEFINED_LEGAL
`HPM9`	9	RW	UNDEFINED_LEGAL
`HPM10`	10	RW	UNDEFINED_LEGAL
`HPM11`	11	RO	0
`HPM12`	12	RO	0
`HPM13`	13	RO	0
`HPM14`	14	RO	0
`HPM15`	15	RO	0
`HPM16`	16	RO	0
`HPM17`	17	RO	0
`HPM18`	18	RO	0
`HPM19`	19	RO	0
`HPM20`	20	RO	0
`HPM21`	21	RO	0
`HPM22`	22	RO	0
`HPM23`	23	RO	0
`HPM24`	24	RO	0
`HPM25`	25	RO	0
`HPM26`	26	RO	0
`HPM27`	27	RO	0
`HPM28`	28	RO	0
`HPM29`	29	RO	0
`HPM30`	30	RO	0
`HPM31`	31	RO	0

Fields

`CY`

Location

hcounteren[0]

Description

When all of scounteren.CY, mcounteren.CY, and hcounteren.CY are set, the cycle CSR (an alias of mcycle) is accessible to VU-mode.

When mcounteren.CY and hcounteren.CY are set, the cycle CSR (an alias of mcycle) is accessible to VS-mode.

When hcounteren.CY is clear and mcounteren.CY is set, then any access to cycle in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.CY	mcounteren.CY	scounteren.CY	VS-mode	VU-mode +
hcounteren.CY	mcounteren.CY	scounteren.CY	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RW	Read-Write Field is writable by software. Any value that fits in the field is acceptable and shall be retained for subsequent reads.

Reset value: UNDEFINED_LEGAL

`TM`

Location

hcounteren[1]

Description

When all of scounteren.TM, mcounteren.TM, and hcounteren.TM are set, the time CSR (an alias of mtime memory-mapped CSR) is accessible to VU-mode.

When mcounteren.TM and hcounteren.TM are set, the time CSR (an alias of mtime) is accessible to VS-mode.

When hcounteren.TM is clear and mcounteren.TM is set, then any access to time in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.TM	mcounteren.TM	scounteren.TM	VS-mode	VU-mode +
hcounteren.TM	mcounteren.TM	scounteren.TM	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`IR`

Location

hcounteren[2]

Description

When all of scounteren.IR, mcounteren.IR, and hcounteren.IR are set, the instret CSR (an alias of minstret) is accessible to VU-mode.

When mcounteren.IR and hcounteren.IR are set, the instret CSR (an alias of minstret) is accessible to VS-mode.

When hcounteren.IR is clear and mcounteren.IR is set, then any access to instret in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.IR	mcounteren.IR	scounteren.IR	VS-mode	VU-mode +
hcounteren.IR	mcounteren.IR	scounteren.IR	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RW	Read-Write Field is writable by software. Any value that fits in the field is acceptable and shall be retained for subsequent reads.

Reset value: UNDEFINED_LEGAL

`HPM3`

Location

hcounteren[3]

Description

When all of scounteren.HPM3, mcounteren.HPM3, and hcounteren.HPM3 are set, the hpmcounter3 CSR (an alias of mhpmcounter3) is accessible to VU-mode.

When mcounteren.HPM3 and hcounteren.HPM3 are set, the hpmcounter3 CSR (an alias of mhpmcounter3) is accessible to VS-mode.

When hcounteren.HPM3 is clear and mcounteren.HPM3 is set, then any access to hpmcounter3 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM3	mcounteren.HPM3	scounteren.HPM3	VS-mode	VU-mode +
hcounteren.HPM3	mcounteren.HPM3	scounteren.HPM3	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RW	Read-Write Field is writable by software. Any value that fits in the field is acceptable and shall be retained for subsequent reads.

Reset value: UNDEFINED_LEGAL

`HPM4`

Location

hcounteren[4]

Description

When all of scounteren.HPM4, mcounteren.HPM4, and hcounteren.HPM4 are set, the hpmcounter4 CSR (an alias of mhpmcounter4) is accessible to VU-mode.

When mcounteren.HPM4 and hcounteren.HPM4 are set, the hpmcounter4 CSR (an alias of mhpmcounter4) is accessible to VS-mode.

When hcounteren.HPM4 is clear and mcounteren.HPM4 is set, then any access to hpmcounter4 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM4	mcounteren.HPM4	scounteren.HPM4	VS-mode	VU-mode +
hcounteren.HPM4	mcounteren.HPM4	scounteren.HPM4	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RW	Read-Write Field is writable by software. Any value that fits in the field is acceptable and shall be retained for subsequent reads.

Reset value: UNDEFINED_LEGAL

`HPM5`

Location

hcounteren[5]

Description

When all of scounteren.HPM5, mcounteren.HPM5, and hcounteren.HPM5 are set, the hpmcounter5 CSR (an alias of mhpmcounter5) is accessible to VU-mode.

When mcounteren.HPM5 and hcounteren.HPM5 are set, the hpmcounter5 CSR (an alias of mhpmcounter5) is accessible to VS-mode.

When hcounteren.HPM5 is clear and mcounteren.HPM5 is set, then any access to hpmcounter5 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM5	mcounteren.HPM5	scounteren.HPM5	VS-mode	VU-mode +
hcounteren.HPM5	mcounteren.HPM5	scounteren.HPM5	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RW	Read-Write Field is writable by software. Any value that fits in the field is acceptable and shall be retained for subsequent reads.

Reset value: UNDEFINED_LEGAL

`HPM6`

Location

hcounteren[6]

Description

When all of scounteren.HPM6, mcounteren.HPM6, and hcounteren.HPM6 are set, the hpmcounter6 CSR (an alias of mhpmcounter6) is accessible to VU-mode.

When mcounteren.HPM6 and hcounteren.HPM6 are set, the hpmcounter6 CSR (an alias of mhpmcounter6) is accessible to VS-mode.

When hcounteren.HPM6 is clear and mcounteren.HPM6 is set, then any access to hpmcounter6 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM6	mcounteren.HPM6	scounteren.HPM6	VS-mode	VU-mode +
hcounteren.HPM6	mcounteren.HPM6	scounteren.HPM6	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RW	Read-Write Field is writable by software. Any value that fits in the field is acceptable and shall be retained for subsequent reads.

Reset value: UNDEFINED_LEGAL

`HPM7`

Location

hcounteren[7]

Description

When all of scounteren.HPM7, mcounteren.HPM7, and hcounteren.HPM7 are set, the hpmcounter7 CSR (an alias of mhpmcounter7) is accessible to VU-mode.

When mcounteren.HPM7 and hcounteren.HPM7 are set, the hpmcounter7 CSR (an alias of mhpmcounter7) is accessible to VS-mode.

When hcounteren.HPM7 is clear and mcounteren.HPM7 is set, then any access to hpmcounter7 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM7	mcounteren.HPM7	scounteren.HPM7	VS-mode	VU-mode +
hcounteren.HPM7	mcounteren.HPM7	scounteren.HPM7	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RW	Read-Write Field is writable by software. Any value that fits in the field is acceptable and shall be retained for subsequent reads.

Reset value: UNDEFINED_LEGAL

`HPM8`

Location

hcounteren[8]

Description

When all of scounteren.HPM8, mcounteren.HPM8, and hcounteren.HPM8 are set, the hpmcounter8 CSR (an alias of mhpmcounter8) is accessible to VU-mode.

When mcounteren.HPM8 and hcounteren.HPM8 are set, the hpmcounter8 CSR (an alias of mhpmcounter8) is accessible to VS-mode.

When hcounteren.HPM8 is clear and mcounteren.HPM8 is set, then any access to hpmcounter8 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM8	mcounteren.HPM8	scounteren.HPM8	VS-mode	VU-mode +
hcounteren.HPM8	mcounteren.HPM8	scounteren.HPM8	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RW	Read-Write Field is writable by software. Any value that fits in the field is acceptable and shall be retained for subsequent reads.

Reset value: UNDEFINED_LEGAL

`HPM9`

Location

hcounteren[9]

Description

When all of scounteren.HPM9, mcounteren.HPM9, and hcounteren.HPM9 are set, the hpmcounter9 CSR (an alias of mhpmcounter9) is accessible to VU-mode.

When mcounteren.HPM9 and hcounteren.HPM9 are set, the hpmcounter9 CSR (an alias of mhpmcounter9) is accessible to VS-mode.

When hcounteren.HPM9 is clear and mcounteren.HPM9 is set, then any access to hpmcounter9 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM9	mcounteren.HPM9	scounteren.HPM9	VS-mode	VU-mode +
hcounteren.HPM9	mcounteren.HPM9	scounteren.HPM9	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RW	Read-Write Field is writable by software. Any value that fits in the field is acceptable and shall be retained for subsequent reads.

Reset value: UNDEFINED_LEGAL

`HPM10`

Location

hcounteren[10]

Description

When all of scounteren.HPM10, mcounteren.HPM10, and hcounteren.HPM10 are set, the hpmcounter10 CSR (an alias of mhpmcounter10) is accessible to VU-mode.

When mcounteren.HPM10 and hcounteren.HPM10 are set, the hpmcounter10 CSR (an alias of mhpmcounter10) is accessible to VS-mode.

When hcounteren.HPM10 is clear and mcounteren.HPM10 is set, then any access to hpmcounter10 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM10	mcounteren.HPM10	scounteren.HPM10	VS-mode	VU-mode +
hcounteren.HPM10	mcounteren.HPM10	scounteren.HPM10	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RW	Read-Write Field is writable by software. Any value that fits in the field is acceptable and shall be retained for subsequent reads.

Reset value: UNDEFINED_LEGAL

`HPM11`

Location

hcounteren[11]

Description

When all of scounteren.HPM11, mcounteren.HPM11, and hcounteren.HPM11 are set, the hpmcounter11 CSR (an alias of mhpmcounter11) is accessible to VU-mode.

When mcounteren.HPM11 and hcounteren.HPM11 are set, the hpmcounter11 CSR (an alias of mhpmcounter11) is accessible to VS-mode.

When hcounteren.HPM11 is clear and mcounteren.HPM11 is set, then any access to hpmcounter11 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM11	mcounteren.HPM11	scounteren.HPM11	VS-mode	VU-mode +
hcounteren.HPM11	mcounteren.HPM11	scounteren.HPM11	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM12`

Location

hcounteren[12]

Description

When all of scounteren.HPM12, mcounteren.HPM12, and hcounteren.HPM12 are set, the hpmcounter12 CSR (an alias of mhpmcounter12) is accessible to VU-mode.

When mcounteren.HPM12 and hcounteren.HPM12 are set, the hpmcounter12 CSR (an alias of mhpmcounter12) is accessible to VS-mode.

When hcounteren.HPM12 is clear and mcounteren.HPM12 is set, then any access to hpmcounter12 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM12	mcounteren.HPM12	scounteren.HPM12	VS-mode	VU-mode +
hcounteren.HPM12	mcounteren.HPM12	scounteren.HPM12	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM13`

Location

hcounteren[13]

Description

When all of scounteren.HPM13, mcounteren.HPM13, and hcounteren.HPM13 are set, the hpmcounter13 CSR (an alias of mhpmcounter13) is accessible to VU-mode.

When mcounteren.HPM13 and hcounteren.HPM13 are set, the hpmcounter13 CSR (an alias of mhpmcounter13) is accessible to VS-mode.

When hcounteren.HPM13 is clear and mcounteren.HPM13 is set, then any access to hpmcounter13 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM13	mcounteren.HPM13	scounteren.HPM13	VS-mode	VU-mode +
hcounteren.HPM13	mcounteren.HPM13	scounteren.HPM13	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM14`

Location

hcounteren[14]

Description

When all of scounteren.HPM14, mcounteren.HPM14, and hcounteren.HPM14 are set, the hpmcounter14 CSR (an alias of mhpmcounter14) is accessible to VU-mode.

When mcounteren.HPM14 and hcounteren.HPM14 are set, the hpmcounter14 CSR (an alias of mhpmcounter14) is accessible to VS-mode.

When hcounteren.HPM14 is clear and mcounteren.HPM14 is set, then any access to hpmcounter14 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM14	mcounteren.HPM14	scounteren.HPM14	VS-mode	VU-mode +
hcounteren.HPM14	mcounteren.HPM14	scounteren.HPM14	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM15`

Location

hcounteren[15]

Description

When all of scounteren.HPM15, mcounteren.HPM15, and hcounteren.HPM15 are set, the hpmcounter15 CSR (an alias of mhpmcounter15) is accessible to VU-mode.

When mcounteren.HPM15 and hcounteren.HPM15 are set, the hpmcounter15 CSR (an alias of mhpmcounter15) is accessible to VS-mode.

When hcounteren.HPM15 is clear and mcounteren.HPM15 is set, then any access to hpmcounter15 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM15	mcounteren.HPM15	scounteren.HPM15	VS-mode	VU-mode +
hcounteren.HPM15	mcounteren.HPM15	scounteren.HPM15	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM16`

Location

hcounteren[16]

Description

When all of scounteren.HPM16, mcounteren.HPM16, and hcounteren.HPM16 are set, the hpmcounter16 CSR (an alias of mhpmcounter16) is accessible to VU-mode.

When mcounteren.HPM16 and hcounteren.HPM16 are set, the hpmcounter16 CSR (an alias of mhpmcounter16) is accessible to VS-mode.

When hcounteren.HPM16 is clear and mcounteren.HPM16 is set, then any access to hpmcounter16 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM16	mcounteren.HPM16	scounteren.HPM16	VS-mode	VU-mode +
hcounteren.HPM16	mcounteren.HPM16	scounteren.HPM16	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM17`

Location

hcounteren[17]

Description

When all of scounteren.HPM17, mcounteren.HPM17, and hcounteren.HPM17 are set, the hpmcounter17 CSR (an alias of mhpmcounter17) is accessible to VU-mode.

When mcounteren.HPM17 and hcounteren.HPM17 are set, the hpmcounter17 CSR (an alias of mhpmcounter17) is accessible to VS-mode.

When hcounteren.HPM17 is clear and mcounteren.HPM17 is set, then any access to hpmcounter17 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM17	mcounteren.HPM17	scounteren.HPM17	VS-mode	VU-mode +
hcounteren.HPM17	mcounteren.HPM17	scounteren.HPM17	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM18`

Location

hcounteren[18]

Description

When all of scounteren.HPM18, mcounteren.HPM18, and hcounteren.HPM18 are set, the hpmcounter18 CSR (an alias of mhpmcounter18) is accessible to VU-mode.

When mcounteren.HPM18 and hcounteren.HPM18 are set, the hpmcounter18 CSR (an alias of mhpmcounter18) is accessible to VS-mode.

When hcounteren.HPM18 is clear and mcounteren.HPM18 is set, then any access to hpmcounter18 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM18	mcounteren.HPM18	scounteren.HPM18	VS-mode	VU-mode +
hcounteren.HPM18	mcounteren.HPM18	scounteren.HPM18	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM19`

Location

hcounteren[19]

Description

When all of scounteren.HPM19, mcounteren.HPM19, and hcounteren.HPM19 are set, the hpmcounter19 CSR (an alias of mhpmcounter19) is accessible to VU-mode.

When mcounteren.HPM19 and hcounteren.HPM19 are set, the hpmcounter19 CSR (an alias of mhpmcounter19) is accessible to VS-mode.

When hcounteren.HPM19 is clear and mcounteren.HPM19 is set, then any access to hpmcounter19 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM19	mcounteren.HPM19	scounteren.HPM19	VS-mode	VU-mode +
hcounteren.HPM19	mcounteren.HPM19	scounteren.HPM19	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM20`

Location

hcounteren[20]

Description

When all of scounteren.HPM20, mcounteren.HPM20, and hcounteren.HPM20 are set, the hpmcounter20 CSR (an alias of mhpmcounter20) is accessible to VU-mode.

When mcounteren.HPM20 and hcounteren.HPM20 are set, the hpmcounter20 CSR (an alias of mhpmcounter20) is accessible to VS-mode.

When hcounteren.HPM20 is clear and mcounteren.HPM20 is set, then any access to hpmcounter20 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM20	mcounteren.HPM20	scounteren.HPM20	VS-mode	VU-mode +
hcounteren.HPM20	mcounteren.HPM20	scounteren.HPM20	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM21`

Location

hcounteren[21]

Description

When all of scounteren.HPM21, mcounteren.HPM21, and hcounteren.HPM21 are set, the hpmcounter21 CSR (an alias of mhpmcounter21) is accessible to VU-mode.

When mcounteren.HPM21 and hcounteren.HPM21 are set, the hpmcounter21 CSR (an alias of mhpmcounter21) is accessible to VS-mode.

When hcounteren.HPM21 is clear and mcounteren.HPM21 is set, then any access to hpmcounter21 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM21	mcounteren.HPM21	scounteren.HPM21	VS-mode	VU-mode +
hcounteren.HPM21	mcounteren.HPM21	scounteren.HPM21	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM22`

Location

hcounteren[22]

Description

When all of scounteren.HPM22, mcounteren.HPM22, and hcounteren.HPM22 are set, the hpmcounter22 CSR (an alias of mhpmcounter22) is accessible to VU-mode.

When mcounteren.HPM22 and hcounteren.HPM22 are set, the hpmcounter22 CSR (an alias of mhpmcounter22) is accessible to VS-mode.

When hcounteren.HPM22 is clear and mcounteren.HPM22 is set, then any access to hpmcounter22 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM22	mcounteren.HPM22	scounteren.HPM22	VS-mode	VU-mode +
hcounteren.HPM22	mcounteren.HPM22	scounteren.HPM22	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM23`

Location

hcounteren[23]

Description

When all of scounteren.HPM23, mcounteren.HPM23, and hcounteren.HPM23 are set, the hpmcounter23 CSR (an alias of mhpmcounter23) is accessible to VU-mode.

When mcounteren.HPM23 and hcounteren.HPM23 are set, the hpmcounter23 CSR (an alias of mhpmcounter23) is accessible to VS-mode.

When hcounteren.HPM23 is clear and mcounteren.HPM23 is set, then any access to hpmcounter23 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM23	mcounteren.HPM23	scounteren.HPM23	VS-mode	VU-mode +
hcounteren.HPM23	mcounteren.HPM23	scounteren.HPM23	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM24`

Location

hcounteren[24]

Description

When all of scounteren.HPM24, mcounteren.HPM24, and hcounteren.HPM24 are set, the hpmcounter24 CSR (an alias of mhpmcounter24) is accessible to VU-mode.

When mcounteren.HPM24 and hcounteren.HPM24 are set, the hpmcounter24 CSR (an alias of mhpmcounter24) is accessible to VS-mode.

When hcounteren.HPM24 is clear and mcounteren.HPM24 is set, then any access to hpmcounter24 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM24	mcounteren.HPM24	scounteren.HPM24	VS-mode	VU-mode +
hcounteren.HPM24	mcounteren.HPM24	scounteren.HPM24	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM25`

Location

hcounteren[25]

Description

When all of scounteren.HPM25, mcounteren.HPM25, and hcounteren.HPM25 are set, the hpmcounter25 CSR (an alias of mhpmcounter25) is accessible to VU-mode.

When mcounteren.HPM25 and hcounteren.HPM25 are set, the hpmcounter25 CSR (an alias of mhpmcounter25) is accessible to VS-mode.

When hcounteren.HPM25 is clear and mcounteren.HPM25 is set, then any access to hpmcounter25 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM25	mcounteren.HPM25	scounteren.HPM25	VS-mode	VU-mode +
hcounteren.HPM25	mcounteren.HPM25	scounteren.HPM25	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM26`

Location

hcounteren[26]

Description

When all of scounteren.HPM26, mcounteren.HPM26, and hcounteren.HPM26 are set, the hpmcounter26 CSR (an alias of mhpmcounter26) is accessible to VU-mode.

When mcounteren.HPM26 and hcounteren.HPM26 are set, the hpmcounter26 CSR (an alias of mhpmcounter26) is accessible to VS-mode.

When hcounteren.HPM26 is clear and mcounteren.HPM26 is set, then any access to hpmcounter26 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM26	mcounteren.HPM26	scounteren.HPM26	VS-mode	VU-mode +
hcounteren.HPM26	mcounteren.HPM26	scounteren.HPM26	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM27`

Location

hcounteren[27]

Description

When all of scounteren.HPM27, mcounteren.HPM27, and hcounteren.HPM27 are set, the hpmcounter27 CSR (an alias of mhpmcounter27) is accessible to VU-mode.

When mcounteren.HPM27 and hcounteren.HPM27 are set, the hpmcounter27 CSR (an alias of mhpmcounter27) is accessible to VS-mode.

When hcounteren.HPM27 is clear and mcounteren.HPM27 is set, then any access to hpmcounter27 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM27	mcounteren.HPM27	scounteren.HPM27	VS-mode	VU-mode +
hcounteren.HPM27	mcounteren.HPM27	scounteren.HPM27	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM28`

Location

hcounteren[28]

Description

When all of scounteren.HPM28, mcounteren.HPM28, and hcounteren.HPM28 are set, the hpmcounter28 CSR (an alias of mhpmcounter28) is accessible to VU-mode.

When mcounteren.HPM28 and hcounteren.HPM28 are set, the hpmcounter28 CSR (an alias of mhpmcounter28) is accessible to VS-mode.

When hcounteren.HPM28 is clear and mcounteren.HPM28 is set, then any access to hpmcounter28 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM28	mcounteren.HPM28	scounteren.HPM28	VS-mode	VU-mode +
hcounteren.HPM28	mcounteren.HPM28	scounteren.HPM28	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM29`

Location

hcounteren[29]

Description

When all of scounteren.HPM29, mcounteren.HPM29, and hcounteren.HPM29 are set, the hpmcounter29 CSR (an alias of mhpmcounter29) is accessible to VU-mode.

When mcounteren.HPM29 and hcounteren.HPM29 are set, the hpmcounter29 CSR (an alias of mhpmcounter29) is accessible to VS-mode.

When hcounteren.HPM29 is clear and mcounteren.HPM29 is set, then any access to hpmcounter29 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM29	mcounteren.HPM29	scounteren.HPM29	VS-mode	VU-mode +
hcounteren.HPM29	mcounteren.HPM29	scounteren.HPM29	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM30`

Location

hcounteren[30]

Description

When all of scounteren.HPM30, mcounteren.HPM30, and hcounteren.HPM30 are set, the hpmcounter30 CSR (an alias of mhpmcounter30) is accessible to VU-mode.

When mcounteren.HPM30 and hcounteren.HPM30 are set, the hpmcounter30 CSR (an alias of mhpmcounter30) is accessible to VS-mode.

When hcounteren.HPM30 is clear and mcounteren.HPM30 is set, then any access to hpmcounter30 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM30	mcounteren.HPM30	scounteren.HPM30	VS-mode	VU-mode +
hcounteren.HPM30	mcounteren.HPM30	scounteren.HPM30	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0

`HPM31`

Location

hcounteren[31]

Description

When all of scounteren.HPM31, mcounteren.HPM31, and hcounteren.HPM31 are set, the hpmcounter31 CSR (an alias of mhpmcounter31) is accessible to VU-mode.

When mcounteren.HPM31 and hcounteren.HPM31 are set, the hpmcounter31 CSR (an alias of mhpmcounter31) is accessible to VS-mode.

When hcounteren.HPM31 is clear and mcounteren.HPM31 is set, then any access to hpmcounter31 in VU-mode or VS-mode causes a VirtualInstruction execption.

Summary:

hcounteren.HPM31	mcounteren.HPM31	scounteren.HPM31	VS-mode	VU-mode +
hcounteren.HPM31	mcounteren.HPM31	scounteren.HPM31	cycle access behavior
0	0	-	`IllegalInstruction`	`IllegalInstruction`
0	1	-	`VirtualInstruction`	`VirtualInstruction`
1	0	-	`IllegalInstruction`	`IllegalInstruction`
1	1	0	allowed	`VirtualInstruction`
1	1	1	allowed	allowed

Type

RO	Read-Only Field has a hardwired value that does not change. Writes to an RO field are ignored.

Reset value: 0