101 lines
3.6 KiB
C
101 lines
3.6 KiB
C
|
/****************************************************************************
|
||
|
|
* arch/risc-v/include/rv32im/csr.h
|
||
|
|
*
|
||
|
|
* Copyright (C) 2016 Ken Pettit. All rights reserved.
|
||
|
|
* Author: Ken Pettit <pettitkd@gmail.com>
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
*
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in
|
||
|
|
* the documentation and/or other materials provided with the
|
||
|
|
* distribution.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/* This file should never be included directed but, rather, only indirectly
|
||
|
|
* through nuttx/irq.h
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __ARCH_RISCV_INCLUDE_RV32IM_CSR_H
|
||
|
|
#define __ARCH_RISCV_INCLUDE_RV32IM_CSR_H
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Included Files
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Pre-processor Definitions
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/* Machine Information Registers */
|
||
|
|
|
||
|
|
#define CSR_MISA 0xF10
|
||
|
|
#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_MTDELEG 0x302
|
||
|
|
#define CSR_MIE 0x304
|
||
|
|
#define CSR_MTVEC 0x305
|
||
|
|
#define CSR_MIVEC 0x30f
|
||
|
|
|
||
|
|
/* Machine Trap Handling */
|
||
|
|
|
||
|
|
#define CSR_MSCRATCH 0x340
|
||
|
|
#define CSR_MEPC 0x341
|
||
|
|
#define CSR_MCAUSE 0x342
|
||
|
|
#define CSR_MBADADDR 0x343
|
||
|
|
#define CSR_MIP 0x344
|
||
|
|
|
||
|
|
/* Machine Timers and Counters */
|
||
|
|
|
||
|
|
#define CSR_CYCLE 0xF00
|
||
|
|
#define CSR_TIME 0xF01
|
||
|
|
#define CSR_INSTRET 0xF02
|
||
|
|
#define CSR_CYCLEH 0xF80
|
||
|
|
#define CSR_TIMEH 0xF81
|
||
|
|
#define CSR_INSTRETH 0xF82
|
||
|
|
|
||
|
|
/* Debug interface CSRs */
|
||
|
|
|
||
|
|
#define CSR_DCSR 0x7B0
|
||
|
|
#define CSR_DPC 0x7B1
|
||
|
|
#define CSR_DSCRATCH 0x7B2
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Public Types
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Public Variables
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Public Function Prototypes
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#endif /* __ARCH_RISCV_INCLUDE_RV32IM_CSR_H */
|
||
|
|
|