Core CSR Encoding

Core CSR Register Definitions

group NMSIS_Core_CSR_Registers

NMSIS Core CSR Register Definitions.

The following macros are used for CSR Register Defintions.

Defines

CSR_USTATUS 0x0

CSR_FFLAGS 0x1

CSR_FRM 0x2

CSR_FCSR 0x3

CSR_CYCLE 0xc00

CSR_TIME 0xc01

CSR_INSTRET 0xc02

CSR_HPMCOUNTER3 0xc03

CSR_HPMCOUNTER4 0xc04

CSR_HPMCOUNTER5 0xc05

CSR_HPMCOUNTER6 0xc06

CSR_HPMCOUNTER7 0xc07

CSR_HPMCOUNTER8 0xc08

CSR_HPMCOUNTER9 0xc09

CSR_HPMCOUNTER10 0xc0a

CSR_HPMCOUNTER11 0xc0b

CSR_HPMCOUNTER12 0xc0c

CSR_HPMCOUNTER13 0xc0d

CSR_HPMCOUNTER14 0xc0e

CSR_HPMCOUNTER15 0xc0f

CSR_HPMCOUNTER16 0xc10

CSR_HPMCOUNTER17 0xc11

CSR_HPMCOUNTER18 0xc12

CSR_HPMCOUNTER19 0xc13

CSR_HPMCOUNTER20 0xc14

CSR_HPMCOUNTER21 0xc15

CSR_HPMCOUNTER22 0xc16

CSR_HPMCOUNTER23 0xc17

CSR_HPMCOUNTER24 0xc18

CSR_HPMCOUNTER25 0xc19

CSR_HPMCOUNTER26 0xc1a

CSR_HPMCOUNTER27 0xc1b

CSR_HPMCOUNTER28 0xc1c

CSR_HPMCOUNTER29 0xc1d

CSR_HPMCOUNTER30 0xc1e

CSR_HPMCOUNTER31 0xc1f

CSR_SSTATUS 0x100

CSR_SIE 0x104

CSR_STVEC 0x105

CSR_SSCRATCH 0x140

CSR_SEPC 0x141

CSR_SCAUSE 0x142

CSR_SBADADDR 0x143

CSR_SIP 0x144

CSR_SPTBR 0x180

CSR_MSTATUS 0x300

CSR_MISA 0x301

CSR_MEDELEG 0x302

CSR_MIDELEG 0x303

CSR_MIE 0x304

CSR_MTVEC 0x305

CSR_MCOUNTEREN 0x306

CSR_MSCRATCH 0x340

CSR_MEPC 0x341

CSR_MCAUSE 0x342

CSR_MBADADDR 0x343

CSR_MIP 0x344

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_TDATA3 0x7a3

CSR_DCSR 0x7b0

CSR_DPC 0x7b1

CSR_DSCRATCH 0x7b2

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_MHPMCOUNTER16 0xb10

CSR_MHPMCOUNTER17 0xb11

CSR_MHPMCOUNTER18 0xb12

CSR_MHPMCOUNTER19 0xb13

CSR_MHPMCOUNTER20 0xb14

CSR_MHPMCOUNTER21 0xb15

CSR_MHPMCOUNTER22 0xb16

CSR_MHPMCOUNTER23 0xb17

CSR_MHPMCOUNTER24 0xb18

CSR_MHPMCOUNTER25 0xb19

CSR_MHPMCOUNTER26 0xb1a

CSR_MHPMCOUNTER27 0xb1b

CSR_MHPMCOUNTER28 0xb1c

CSR_MHPMCOUNTER29 0xb1d

CSR_MHPMCOUNTER30 0xb1e

CSR_MHPMCOUNTER31 0xb1f

CSR_MUCOUNTEREN 0x320

CSR_MSCOUNTEREN 0x321

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_MHPMEVENT16 0x330

CSR_MHPMEVENT17 0x331

CSR_MHPMEVENT18 0x332

CSR_MHPMEVENT19 0x333

CSR_MHPMEVENT20 0x334

CSR_MHPMEVENT21 0x335

CSR_MHPMEVENT22 0x336

CSR_MHPMEVENT23 0x337

CSR_MHPMEVENT24 0x338

CSR_MHPMEVENT25 0x339

CSR_MHPMEVENT26 0x33a

CSR_MHPMEVENT27 0x33b

CSR_MHPMEVENT28 0x33c

CSR_MHPMEVENT29 0x33d

CSR_MHPMEVENT30 0x33e

CSR_MHPMEVENT31 0x33f

CSR_MVENDORID 0xf11

CSR_MARCHID 0xf12

CSR_MIMPID 0xf13

CSR_MHARTID 0xf14

CSR_CYCLEH 0xc80

CSR_TIMEH 0xc81

CSR_INSTRETH 0xc82

CSR_HPMCOUNTER3H 0xc83

CSR_HPMCOUNTER4H 0xc84

CSR_HPMCOUNTER5H 0xc85

CSR_HPMCOUNTER6H 0xc86

CSR_HPMCOUNTER7H 0xc87

CSR_HPMCOUNTER8H 0xc88

CSR_HPMCOUNTER9H 0xc89

CSR_HPMCOUNTER10H 0xc8a

CSR_HPMCOUNTER11H 0xc8b

CSR_HPMCOUNTER12H 0xc8c

CSR_HPMCOUNTER13H 0xc8d

CSR_HPMCOUNTER14H 0xc8e

CSR_HPMCOUNTER15H 0xc8f

CSR_HPMCOUNTER16H 0xc90

CSR_HPMCOUNTER17H 0xc91

CSR_HPMCOUNTER18H 0xc92

CSR_HPMCOUNTER19H 0xc93

CSR_HPMCOUNTER20H 0xc94

CSR_HPMCOUNTER21H 0xc95

CSR_HPMCOUNTER22H 0xc96

CSR_HPMCOUNTER23H 0xc97

CSR_HPMCOUNTER24H 0xc98

CSR_HPMCOUNTER25H 0xc99

CSR_HPMCOUNTER26H 0xc9a

CSR_HPMCOUNTER27H 0xc9b

CSR_HPMCOUNTER28H 0xc9c

CSR_HPMCOUNTER29H 0xc9d

CSR_HPMCOUNTER30H 0xc9e

CSR_HPMCOUNTER31H 0xc9f

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_MHPMCOUNTER16H 0xb90

CSR_MHPMCOUNTER17H 0xb91

CSR_MHPMCOUNTER18H 0xb92

CSR_MHPMCOUNTER19H 0xb93

CSR_MHPMCOUNTER20H 0xb94

CSR_MHPMCOUNTER21H 0xb95

CSR_MHPMCOUNTER22H 0xb96

CSR_MHPMCOUNTER23H 0xb97

CSR_MHPMCOUNTER24H 0xb98

CSR_MHPMCOUNTER25H 0xb99

CSR_MHPMCOUNTER26H 0xb9a

CSR_MHPMCOUNTER27H 0xb9b

CSR_MHPMCOUNTER28H 0xb9c

CSR_MHPMCOUNTER29H 0xb9d

CSR_MHPMCOUNTER30H 0xb9e

CSR_MHPMCOUNTER31H 0xb9f

CSR_MTVT 0x307

CSR_MNXTI 0x345

CSR_MINTSTATUS 0x346

CSR_MSCRATCHCSW 0x348

CSR_MSCRATCHCSWL 0x349

CSR_MCLICBASE 0x350

CSR_MCOUNTINHIBIT 0x320

CSR_MNVEC 0x7C3

CSR_MSUBM 0x7C4

CSR_MDCAUSE 0x7C9

CSR_MCACHE_CTL 0x7CA

CSR_MMISC_CTL 0x7D0

CSR_MSAVESTATUS 0x7D6

CSR_MSAVEEPC1 0x7D7

CSR_MSAVECAUSE1 0x7D8

CSR_MSAVEEPC2 0x7D9

CSR_MSAVECAUSE2 0x7DA

CSR_MSAVEDCAUSE1 0x7DB

CSR_MSAVEDCAUSE2 0x7DC

CSR_PUSHMSUBM 0x7EB

CSR_MTVT2 0x7EC

CSR_JALMNXTI 0x7ED

CSR_PUSHMCAUSE 0x7EE

CSR_PUSHMEPC 0x7EF

CSR_SLEEPVALUE 0x811

CSR_TXEVT 0x812

CSR_WFE 0x810

Other Core Related Macros

group NMSIS_Core_CSR_Encoding

NMSIS Core CSR Encodings.

The following macros are used for CSR encodings

Defines

MSTATUS_UIE 0x00000001

MSTATUS_SIE 0x00000002

MSTATUS_HIE 0x00000004

MSTATUS_MIE 0x00000008

MSTATUS_UPIE 0x00000010

MSTATUS_SPIE 0x00000020

MSTATUS_HPIE 0x00000040

MSTATUS_MPIE 0x00000080

MSTATUS_SPP 0x00000100

MSTATUS_MPP 0x00001800

MSTATUS_FS 0x00006000

MSTATUS_XS 0x00018000

MSTATUS_MPRV 0x00020000

MSTATUS_PUM 0x00040000

MSTATUS_MXR 0x00080000

MSTATUS_VM 0x1F000000

MSTATUS32_SD 0x80000000

MSTATUS64_SD 0x8000000000000000

MSTATUS_FS_INITIAL 0x00002000

MSTATUS_FS_CLEAN 0x00004000

MSTATUS_FS_DIRTY 0x00006000

SSTATUS_UIE 0x00000001

SSTATUS_SIE 0x00000002

SSTATUS_UPIE 0x00000010

SSTATUS_SPIE 0x00000020

SSTATUS_SPP 0x00000100

SSTATUS_FS 0x00006000

SSTATUS_XS 0x00018000

SSTATUS_PUM 0x00040000

SSTATUS32_SD 0x80000000

SSTATUS64_SD 0x8000000000000000

CSR_MCACHE_CTL_IE 0x00000001

CSR_MCACHE_CTL_DE 0x00010000

DCSR_XDEBUGVER (3U<<30)

DCSR_NDRESET (1<<29)

DCSR_FULLRESET (1<<28)

DCSR_EBREAKM (1<<15)

DCSR_EBREAKH (1<<14)

DCSR_EBREAKS (1<<13)

DCSR_EBREAKU (1<<12)

DCSR_STOPCYCLE (1<<10)

DCSR_STOPTIME (1<<9)

DCSR_CAUSE (7<<6)

DCSR_DEBUGINT (1<<5)

DCSR_HALT (1<<3)

DCSR_STEP (1<<2)

DCSR_PRV (3<<0)

DCSR_CAUSE_NONE 0

DCSR_CAUSE_SWBP 1

DCSR_CAUSE_HWBP 2

DCSR_CAUSE_DEBUGINT 3

DCSR_CAUSE_STEP 4

DCSR_CAUSE_HALT 5

MCONTROL_TYPE(xlen) (0xfULL<<((xlen)-4))

MCONTROL_DMODE(xlen) (1ULL<<((xlen)-5))

MCONTROL_MASKMAX(xlen) (0x3fULL<<((xlen)-11))

MCONTROL_SELECT (1<<19)

MCONTROL_TIMING (1<<18)

MCONTROL_ACTION (0x3f<<12)

MCONTROL_CHAIN (1<<11)

MCONTROL_MATCH (0xf<<7)

MCONTROL_M (1<<6)

MCONTROL_H (1<<5)

MCONTROL_S (1<<4)

MCONTROL_U (1<<3)

MCONTROL_EXECUTE (1<<2)

MCONTROL_STORE (1<<1)

MCONTROL_LOAD (1<<0)

MCONTROL_TYPE_NONE 0

MCONTROL_TYPE_MATCH 2

MCONTROL_ACTION_DEBUG_EXCEPTION 0

MCONTROL_ACTION_DEBUG_MODE 1

MCONTROL_ACTION_TRACE_START 2

MCONTROL_ACTION_TRACE_STOP 3

MCONTROL_ACTION_TRACE_EMIT 4

MCONTROL_MATCH_EQUAL 0

MCONTROL_MATCH_NAPOT 1

MCONTROL_MATCH_GE 2

MCONTROL_MATCH_LT 3

MCONTROL_MATCH_MASK_LOW 4

MCONTROL_MATCH_MASK_HIGH 5

MCAUSE_INTERRUPT (1ULL<<((__riscv_xlen)-1))

MIP_SSIP (1 << IRQ_S_SOFT)

MIP_HSIP (1 << IRQ_H_SOFT)

MIP_MSIP (1 << IRQ_M_SOFT)

MIP_STIP (1 << IRQ_S_TIMER)

MIP_HTIP (1 << IRQ_H_TIMER)

MIP_MTIP (1 << IRQ_M_TIMER)

MIP_SEIP (1 << IRQ_S_EXT)

MIP_HEIP (1 << IRQ_H_EXT)

MIP_MEIP (1 << IRQ_M_EXT)

MIE_SSIE MIP_SSIP 

MIE_HSIE MIP_HSIP 

MIE_MSIE MIP_MSIP 

MIE_STIE MIP_STIP 

MIE_HTIE MIP_HTIP 

MIE_MTIE MIP_MTIP 

MIE_SEIE MIP_SEIP 

MIE_HEIE MIP_HEIP 

MIE_MEIE MIP_MEIP 

WFE_WFE 0x1

MCOUNTINHIBIT_IR (1<<2)

MCOUNTINHIBIT_CY (1<<0)

MMISC_CTL_NMI_CAUSE_FFF (1<<9)

MMISC_CTL_MISALIGN (1<<6)

MMISC_CTL_BPU (1<<3)

SIP_SSIP MIP_SSIP 

SIP_STIP MIP_STIP 

PRV_U 0

PRV_S 1

PRV_H 2

PRV_M 3

VM_MBARE 0

VM_MBB 1

VM_MBBID 2

VM_SV32 8

VM_SV39 9

VM_SV48 10

IRQ_S_SOFT 1

IRQ_H_SOFT 2

IRQ_M_SOFT 3

IRQ_S_TIMER 5

IRQ_H_TIMER 6

IRQ_M_TIMER 7

IRQ_S_EXT 9

IRQ_H_EXT 10

IRQ_M_EXT 11

IRQ_COP 12

IRQ_HOST 13

DEFAULT_RSTVEC 0x00001000

DEFAULT_NMIVEC 0x00001004

DEFAULT_MTVEC 0x00001010

CONFIG_STRING_ADDR 0x0000100C

EXT_IO_BASE 0x40000000

DRAM_BASE 0x80000000

FRM_RNDMODE_RNE 0x0: FPU Round to Nearest, ties to Even.

FRM_RNDMODE_RTZ 0x1: FPU Round Towards Zero.

FRM_RNDMODE_RDN 0x2: FPU Round Down (towards -inf)

FRM_RNDMODE_RUP 0x3: FPU Round Up (towards +inf)

FRM_RNDMODE_RMM 0x4: FPU Round to nearest, ties to Max Magnitude.

FRM_RNDMODE_DYN 0x7

In instruction’s rm, selects dynamic rounding mode.

In Rounding Mode register, Invalid

FFLAGS_AE_NX (1<<0): FPU Inexact.

FFLAGS_AE_UF (1<<1): FPU Underflow.

FFLAGS_AE_OF (1<<2): FPU Overflow.

FFLAGS_AE_DZ (1<<3): FPU Divide by Zero.

FFLAGS_AE_NV (1<<4): FPU Invalid Operation.

FREG(idx) f##idx

Floating Point Register f0-f31, eg.

PMP_R 0x01

PMP_W 0x02

PMP_X 0x04

PMP_A 0x18

PMP_A_TOR 0x08

PMP_A_NA4 0x10

PMP_A_NAPOT 0x18

PMP_L 0x80

PMP_SHIFT 2

PMP_COUNT 16

PTE_V 0x001

PTE_R 0x002

PTE_W 0x004

PTE_X 0x008

PTE_U 0x010

PTE_G 0x020

PTE_A 0x040

PTE_D 0x080

PTE_SOFT 0x300

PTE_PPN_SHIFT 10

PTE_TABLE(PTE) (((PTE) & (PTE_V | PTE_R | PTE_W | PTE_X)) == PTE_V)

CAUSE_MISALIGNED_FETCH 0x0: End of Doxygen Group NMSIS_Core_CSR_Registers.

CAUSE_FAULT_FETCH 0x1

CAUSE_ILLEGAL_INSTRUCTION 0x2

CAUSE_BREAKPOINT 0x3

CAUSE_MISALIGNED_LOAD 0x4

CAUSE_FAULT_LOAD 0x5

CAUSE_MISALIGNED_STORE 0x6

CAUSE_FAULT_STORE 0x7

CAUSE_USER_ECALL 0x8

CAUSE_SUPERVISOR_ECALL 0x9

CAUSE_HYPERVISOR_ECALL 0xa

CAUSE_MACHINE_ECALL 0xb

DCAUSE_FAULT_FETCH_PMP 0x1

DCAUSE_FAULT_FETCH_INST 0x2

DCAUSE_FAULT_LOAD_PMP 0x1

DCAUSE_FAULT_LOAD_INST 0x2

DCAUSE_FAULT_LOAD_NICE 0x3

DCAUSE_FAULT_STORE_PMP 0x1

DCAUSE_FAULT_STORE_INST 0x2