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nuttx/arch/risc-v/include/csr.h
Huang Qi 93d75129de riscv: Add Vector CSRs to csr.h 
The CSR register definitions from RVV 1.0 spec: https://github.com/riscv/riscv-v-spec/blob/master/v-spec.adoc#vector-registers

Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
2024-04-19 00:31:07 +08:00

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/****************************************************************************
* arch/risc-v/include/csr.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/* This file should never be included directly but, rather, only indirectly
* through nuttx/irq.h
*/
#ifndef __ARCH_RISCV_INCLUDE_CSR_H
#define __ARCH_RISCV_INCLUDE_CSR_H
/****************************************************************************
* Included Files
****************************************************************************/
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* User Trap Registers */
#define CSR_USTATUS 0x000
#define CSR_UIE 0x004
#define CSR_UTVEC 0x005
/* User Trap Handling Registers */
#define CSR_USCRATCH 0x040
#define CSR_UEPC 0x041
#define CSR_UCAUSE 0x042
#define CSR_UTVAL 0x043
#define CSR_UIP 0x044
/* User Floating-Point Registers */
#define CSR_FFLAGS 0x001
#define CSR_FRM 0x002
#define CSR_FCSR 0x003
/* User Counter/Times Registers */
#define CSR_CYCLE 0xc00
#define CSR_TIME 0xc01
#define CSR_INSTRET 0xc02
#define CSR_HPCOUNTER3 0xc03
#define CSR_HPCOUNTER4 0xc04
#define CSR_HPCOUNTER5 0xc05
#define CSR_HPCOUNTER6 0xc06
#define CSR_HPCOUNTER7 0xc07
#define CSR_HPCOUNTER8 0xc08
#define CSR_HPCOUNTER9 0xc09
#define CSR_HPCOUNTER10 0xc0a
#define CSR_HPCOUNTER11 0xc0b
#define CSR_HPCOUNTER12 0xc0c
#define CSR_HPCOUNTER13 0xc0d
#define CSR_HPCOUNTER14 0xc0e
#define CSR_HPCOUNTER15 0xc0f
#define CSR_HPCOUNTER16 0xc10
#define CSR_HPCOUNTER17 0xc11
#define CSR_HPCOUNTER18 0xc12
#define CSR_HPCOUNTER19 0xc13
#define CSR_HPCOUNTER20 0xc14
#define CSR_HPCOUNTER21 0xc15
#define CSR_HPCOUNTER22 0xc16
#define CSR_HPCOUNTER24 0xc17
#define CSR_HPCOUNTER25 0xc18
#define CSR_HPCOUNTER26 0xc19
#define CSR_HPCOUNTER27 0xc1a
#define CSR_HPCOUNTER28 0xc1b
#define CSR_HPCOUNTER29 0xc1c
#define CSR_HPCOUNTER30 0xc1d
#define CSR_HPCOUNTER31 0xc1f
#define CSR_CYCLEH 0xc80
#define CSR_TIMEH 0xc81
#define CSR_INSTRETH 0xc82
#define CSR_HPCOUNTER3H 0xc83
#define CSR_HPCOUNTER4H 0xc84
#define CSR_HPCOUNTER5H 0xc85
#define CSR_HPCOUNTER6H 0xc86
#define CSR_HPCOUNTER7H 0xc87
#define CSR_HPCOUNTER8H 0xc88
#define CSR_HPCOUNTER9H 0xc89
#define CSR_HPCOUNTER10H 0xc8a
#define CSR_HPCOUNTER11H 0xc8b
#define CSR_HPCOUNTER12H 0xc8c
#define CSR_HPCOUNTER13H 0xc8d
#define CSR_HPCOUNTER14H 0xc8e
#define CSR_HPCOUNTER15H 0xc8f
#define CSR_HPCOUNTER16H 0xc90
#define CSR_HPCOUNTER17H 0xc91
#define CSR_HPCOUNTER18H 0xc92
#define CSR_HPCOUNTER19H 0xc93
#define CSR_HPCOUNTER20H 0xc94
#define CSR_HPCOUNTER21H 0xc95
#define CSR_HPCOUNTER22H 0xc96
#define CSR_HPCOUNTER24H 0xc97
#define CSR_HPCOUNTER25H 0xc98
#define CSR_HPCOUNTER26H 0xc99
#define CSR_HPCOUNTER27H 0xc9a
#define CSR_HPCOUNTER28H 0xc9b
#define CSR_HPCOUNTER29H 0xc9c
#define CSR_HPCOUNTER30H 0xc9d
#define CSR_HPCOUNTER31H 0xc9f
/* Supervisor Trap Setup Registers */
#define CSR_SSTATUS 0x100
#define CSR_SEDELEG 0x102
#define CSR_SIDELEG 0x103
#define CSR_SIE 0x104
#define CSR_STVEC 0x105
#define CSR_SCOUNTEREN 0x106
/* Supervisor Trap Handling Registers */
#define CSR_SSCRATCH 0x140
#define CSR_SEPC 0x141
#define CSR_SCAUSE 0x142
#define CSR_STVAL 0x143
#define CSR_SIP 0x144
/* Supervisor Protection and Translation Registers */
#define CSR_SATP 0x180
/* Machine Information Registers */
#define CSR_MVENDORID 0xf11
#define CSR_MARCHID 0xf12
#define CSR_MIMPID 0xf13
#define CSR_MHARTID 0xf14
/* Machine Trap Registers */
#define CSR_MSTATUS 0x300
#define CSR_MISA 0x301
#define CSR_MEDELEG 0x302
#define CSR_MIDELEG 0x303
#define CSR_MIE 0x304
#define CSR_MTVEC 0x305
#define CSR_MCOUNTEREN 0x306
/* Machine Trap Handling */
#define CSR_MSCRATCH 0x340
#define CSR_MEPC 0x341
#define CSR_MCAUSE 0x342
#define CSR_MTVAL 0x343
#define CSR_MIP 0x344
/* Machine Protection and Translation */
#define CSR_PMPCFG0 0x3a0
#define CSR_PMPCFG1 0x3a1
#define CSR_PMPCFG2 0x3a2
#define CSR_PMPCFG3 0x3a3
#define CSR_PMPADDR0 0x3b0
#define CSR_PMPADDR1 0x3b1
#define CSR_PMPADDR2 0x3b2
#define CSR_PMPADDR3 0x3b3
#define CSR_PMPADDR4 0x3b4
#define CSR_PMPADDR5 0x3b5
#define CSR_PMPADDR6 0x3b6
#define CSR_PMPADDR7 0x3b7
#define CSR_PMPADDR8 0x3b8
#define CSR_PMPADDR9 0x3b9
#define CSR_PMPADDR10 0x3ba
#define CSR_PMPADDR11 0x3bb
#define CSR_PMPADDR12 0x3bc
#define CSR_PMPADDR13 0x3bd
#define CSR_PMPADDR14 0x3be
#define CSR_PMPADDR15 0x3bf
/* Machine Timers and Counters */
#define CSR_MCYCLE 0xb00
#define CSR_MINSTRET 0xb02
#define CSR_MHPMCOUNTER3 0xb03
#define CSR_MHPMCOUNTER4 0xb04
#define CSR_MHPMCOUNTER5 0xb05
#define CSR_MHPMCOUNTER6 0xb06
#define CSR_MHPMCOUNTER7 0xb07
#define CSR_MHPMCOUNTER8 0xb08
#define CSR_MHPMCOUNTER9 0xb09
#define CSR_MHPMCOUNTER10 0xb0a
#define CSR_MHPMCOUNTER11 0xb0b
#define CSR_MHPMCOUNTER12 0xb0c
#define CSR_MHPMCOUNTER13 0xb0d
#define CSR_MHPMCOUNTER14 0xb0e
#define CSR_MHPMCOUNTER15 0xb0f
#define CSR_MHPMCOUNTER16 0xb10
#define CSR_MHPMCOUNTER17 0xb11
#define CSR_MHPMCOUNTER18 0xb12
#define CSR_MHPMCOUNTER19 0xb13
#define CSR_MHPMCOUNTER20 0xb14
#define CSR_MHPMCOUNTER21 0xb15
#define CSR_MHPMCOUNTER22 0xb16
#define CSR_MHPMCOUNTER23 0xb17
#define CSR_MHPMCOUNTER24 0xb18
#define CSR_MHPMCOUNTER25 0xb19
#define CSR_MHPMCOUNTER26 0xb1a
#define CSR_MHPMCOUNTER27 0xb1b
#define CSR_MHPMCOUNTER28 0xb1c
#define CSR_MHPMCOUNTER29 0xb1d
#define CSR_MHPMCOUNTER30 0xb1e
#define CSR_MHPMCOUNTER31 0xb1f
#define CSR_MCYCLEH 0xb80
#define CSR_MINSTRETH 0xb82
#define CSR_MHPMCOUNTER3H 0xb83
#define CSR_MHPMCOUNTER4H 0xb84
#define CSR_MHPMCOUNTER5H 0xb85
#define CSR_MHPMCOUNTER6H 0xb86
#define CSR_MHPMCOUNTER7H 0xb87
#define CSR_MHPMCOUNTER8H 0xb88
#define CSR_MHPMCOUNTER9H 0xb89
#define CSR_MHPMCOUNTER10H 0xb8a
#define CSR_MHPMCOUNTER11H 0xb8b
#define CSR_MHPMCOUNTER12H 0xb8c
#define CSR_MHPMCOUNTER13H 0xb8d
#define CSR_MHPMCOUNTER14H 0xb8e
#define CSR_MHPMCOUNTER15H 0xb8f
#define CSR_MHPMCOUNTER16H 0xb90
#define CSR_MHPMCOUNTER17H 0xb91
#define CSR_MHPMCOUNTER18H 0xb92
#define CSR_MHPMCOUNTER19H 0xb93
#define CSR_MHPMCOUNTER20H 0xb94
#define CSR_MHPMCOUNTER21H 0xb95
#define CSR_MHPMCOUNTER22H 0xb96
#define CSR_MHPMCOUNTER23H 0xb97
#define CSR_MHPMCOUNTER24H 0xb98
#define CSR_MHPMCOUNTER25H 0xb99
#define CSR_MHPMCOUNTER26H 0xb9a
#define CSR_MHPMCOUNTER27H 0xb9b
#define CSR_MHPMCOUNTER28H 0xb9c
#define CSR_MHPMCOUNTER29H 0xb9d
#define CSR_MHPMCOUNTER30H 0xb9e
#define CSR_MHPMCOUNTER31H 0xb9f
/* Machine Counter Setup */
#define CSR_MPHEVENT3 0x323
#define CSR_MPHEVENT4 0x324
#define CSR_MPHEVENT5 0x325
#define CSR_MPHEVENT6 0x326
#define CSR_MPHEVENT7 0x327
#define CSR_MPHEVENT8 0x328
#define CSR_MPHEVENT9 0x329
#define CSR_MPHEVENT10 0x32a
#define CSR_MPHEVENT11 0x32b
#define CSR_MPHEVENT12 0x32c
#define CSR_MPHEVENT13 0x32d
#define CSR_MPHEVENT14 0x32e
#define CSR_MPHEVENT15 0x32f
#define CSR_MPHEVENT16 0x330
#define CSR_MPHEVENT17 0x331
#define CSR_MPHEVENT18 0x332
#define CSR_MPHEVENT19 0x333
#define CSR_MPHEVENT20 0x334
#define CSR_MPHEVENT21 0x335
#define CSR_MPHEVENT22 0x336
#define CSR_MPHEVENT23 0x337
#define CSR_MPHEVENT24 0x338
#define CSR_MPHEVENT25 0x339
#define CSR_MPHEVENT26 0x33a
#define CSR_MPHEVENT27 0x33b
#define CSR_MPHEVENT28 0x33c
#define CSR_MPHEVENT29 0x33d
#define CSR_MPHEVENT30 0x33e
#define CSR_MPHEVENT31 0x33f
/* Debug/Trace Registers */
#define CSR_TSELECT 0x7a0 /* Trigger Select */
#define CSR_TDATA1 0x7a1 /* Trigger Data 1 */
#define CSR_TDATA2 0x7a2 /* Trigger Data 2 */
#define CSR_TDATA3 0x7a3 /* Trigger Data 3 */
#define CSR_TINFO 0x7a4 /* Trigger Info */
#define CSR_TCONTROL 0x7a5 /* Trigger Control */
#define CSR_MCONTEXT 0x7a8 /* Machine Context */
#define CSR_MSCONTEXT 0x7aa /* Machine Supervisor Context */
#define CSR_SCONTEXT 0x5a8 /* Supervisor Context */
#define CSR_HCONTEXT 0x5aa /* Hypervisor Context */
/* Debug interface CSRs */
#define CSR_DCSR 0x7b0 /* Debug Control and Status */
#define CSR_DPC 0x7b1 /* Debug PC */
#define CSR_DSCRATCH0 0x7b2 /* Debug Scratch 0 */
#define CSR_DSCRATCH1 0x7b3 /* Debug Scratch 1 */
/* Vector CSRs */
#define CSR_VSTART 0x008 /* Vector Start Position */
#define CSR_VXSAT 0x009 /* Fixed-Point Saturate Flag */
#define CSR_VXRM 0x00a /* Fixed-Point Rounding Mode */
#define CSR_VCSR 0x00f /* Vector Control and Status */
#define CSR_VL 0xc20 /* Vector Length */
#define CSR_VTYPE 0xc21 /* Vector Data Type */
#define CSR_VLENB 0xc22 /* Vector Length in Bytes (VLEN/8) */
/* In mstatus register */
#define MSTATUS_UIE (0x1 << 0) /* User Interrupt Enable */
#define MSTATUS_SIE (0x1 << 1) /* Supervisor Interrupt Enable */
#define MSTATUS_MIE (0x1 << 3) /* Machine Interrupt Enable */
#define MSTATUS_SPIE (0x1 << 5) /* Supervisor Previous Interrupt Enable */
#define MSTATUS_MPIE (0x1 << 7) /* Machine Previous Interrupt Enable */
#define MSTATUS_SPPU (0x0 << 8) /* Supervisor Previous Privilege (u-mode) */
#define MSTATUS_SPPS (0x1 << 8) /* Supervisor Previous Privilege (s-mode) */
#define MSTATUS_VS (0x3 << 9) /* Machine Vector-extension Status */
#define MSTATUS_VS_INIT (0x1 << 9)
#define MSTATUS_VS_CLEAN (0x2 << 9)
#define MSTATUS_VS_DIRTY (0x3 << 9)
#define MSTATUS_MPPU (0x0 << 11) /* Machine Previous Privilege (u-mode) */
#define MSTATUS_MPPS (0x1 << 11) /* Machine Previous Privilege (s-mode) */
#define MSTATUS_MPPM (0x3 << 11) /* Machine Previous Privilege (m-mode) */
#define MSTATUS_MPP_MASK (0x3 << 11)
#define MSTATUS_FS (0x3 << 13) /* Machine Floating-point Status */
#define MSTATUS_FS_INIT (0x1 << 13)
#define MSTATUS_FS_CLEAN (0x2 << 13)
#define MSTATUS_FS_DIRTY (0x3 << 13)
#define MSTATUS_XS (0x3 << 15) /* Machine additional-extension Status */
#define MSTATUS_XS_INIT (0x1 << 15)
#define MSTATUS_XS_CLEAN (0x2 << 15)
#define MSTATUS_XS_DIRTY (0x3 << 15)
#define MSTATUS_MPRV (0x1 << 17) /* Modify Privilege */
#define MSTATUS_SUM (0x1 << 18) /* S mode access to U mode memory */
#define MSTATUS_MXR (0x1 << 19) /* Make executable / readable */
#define MSTATUS_TVM (0x1 << 20) /* Trap access to satp from S mode */
#define MSTATUS_TW (0x1 << 21) /* Trap WFI instruction from S mode */
#define MSTATUS_TSR (0x1 << 22) /* Trap supervisor return (sret) */
/* Mask of preserved bits for mstatus */
#ifdef CONFIG_ARCH_RV32
#define MSTATUS_WPRI (0xff << 23 | 0x15)
#else
#define MSTATUS_WPRI (UINT64_C(0x1ffffff) << 38 | UINT64_C(0x1ff) << 23 | 0x15)
#endif
/* In mie (machine interrupt enable) register */
#define MIE_SSIE (0x1 << 1) /* Supervisor Software Interrupt Enable */
#define MIE_MSIE (0x1 << 3) /* Machine Software Interrupt Enable */
#define MIE_STIE (0x1 << 5) /* Supervisor Timer Interrupt Enable */
#define MIE_MTIE (0x1 << 7) /* Machine Timer Interrupt Enable */
#define MIE_SEIE (0x1 << 9) /* Supervisor External Interrupt Enable */
#define MIE_MEIE (0x1 << 11) /* Machine External Interrupt Enable */
/* In mip (machine interrupt pending) register */
#define MIP_SSIP (0x1 << 1)
#define MIP_STIP (0x1 << 5)
#define MIP_MTIP (0x1 << 7)
#define MIP_SEIP (0x1 << 9)
/* In sstatus register (which is a view of mstatus) */
#define SSTATUS_SIE MSTATUS_SIE
#define SSTATUS_SPIE MSTATUS_SPIE
#define SSTATUS_SPPU MSTATUS_SPPU
#define SSTATUS_SPPS MSTATUS_SPPS
#define SSTATUS_VS MSTATUS_VS
#define SSTATUS_VS_INIT MSTATUS_VS_INIT
#define SSTATUS_VS_CLEAN MSTATUS_VS_CLEAN
#define SSTATUS_VS_DIRTY MSTATUS_VS_DIRTY
#define SSTATUS_FS MSTATUS_FS
#define SSTATUS_FS_INIT MSTATUS_FS_INIT
#define SSTATUS_FS_CLEAN MSTATUS_FS_CLEAN
#define SSTATUS_FS_DIRTY MSTATUS_FS_DIRTY
#define SSTATUS_XS MSTATUS_XS
#define SSTATUS_XS_INIT MSTATUS_XS_INIT
#define SSTATUS_XS_CLEAN MSTATUS_XS_CLEAN
#define SSTATUS_XS_DIRTY MSTATUS_XS_DIRTY
#define SSTATUS_SUM MSTATUS_SUM
#define SSTATUS_MXR MSTATUS_MXR
/* In sie register (which is a view of mie) */
#define SIE_SSIE MIE_SSIE
#define SIE_STIE MIE_STIE
#define SIE_SEIE MIE_SEIE
/* In sip register (which is a view of mip) */
#define SIP_SSIP MIP_SSIP
#define SIP_STIP MIP_STIP
#define SIP_SEIP MIP_SEIP
/* In pmpcfg (PMP configuration) register */
#define PMPCFG_R (1 << 0) /* readable ? */
#define PMPCFG_W (1 << 1) /* writable ? */
#define PMPCFG_X (1 << 2) /* executable ? */
#define PMPCFG_RWX_MASK (7 << 0) /* access rights mask */
#define PMPCFG_A_OFF (0 << 3) /* null region (disabled) */
#define PMPCFG_A_TOR (1 << 3) /* top of range */
#define PMPCFG_A_NA4 (2 << 3) /* naturally aligned four-byte region */
#define PMPCFG_A_NAPOT (3 << 3) /* naturally aligned power-of-two region */
#define PMPCFG_A_MASK (3 << 3) /* address-matching mode mask */
#define PMPCFG_L (1 << 7) /* locked ? */
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#endif /* __ARCH_RISCV_INCLUDE_CSR_H */
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