nuttx/arch/risc-v/include/rv32im/csr.h

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/****************************************************************************
* 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 directly 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 */