nuttx/arch/risc-v/include/rv32im/mcause.h
Dong Heng b11a5ca8b2 risc-v/esp32c3: Add ESP32-C3 basic support
Co-authored-by: Dong Heng <dongheng@espressif.com>
Co-authored-by: Abdelatif Guettouche <abdelatif.guettouche@espressif.com>
2021-02-18 01:21:53 -08:00

64 lines
2.9 KiB
C

/****************************************************************************
* arch/risc-v/include/rv32im/mcause.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.
*
****************************************************************************/
#ifndef __ARCH_RISCV_INCLUDE_RV32IM_MCAUSE_H
#define __ARCH_RISCV_INCLUDE_RV32IM_MCAUSE_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Interrupt(BIT31) or Exception(0) */
#define MCAUSE_INTERRUPT (1 << 31)
#define MCAUSE_INTERRUPT_MASK (~MCAUSE_INTERRUPT)
/* Exception values *********************************************************/
#define MCAUSE_ADDE_MISALIGNED (0) /* Instruction address misaligned */
#define MCAUSE_INST_ACCESS_FAULT (1) /* Instruction access fault */
#define MCAUSE_ILLEGAL_INST (2) /* Illegal instruction */
#define MCAUSE_BREAKPOINT (3) /* Breakpoint */
#define MCAUSE_LOAD_MISALIGNED (4) /* Load address misaligned */
#define MCAUSE_LOAD_ACCESS_FAULT (5) /* Load access fault */
#define MCAUSE_STORE_MISALIGNED (6) /* Store/AMO address misaligned */
#define MCAUSE_STORE_ACCESS_FAULT (7) /* Store/AMO access fault */
#define MCAUSE_ECALL_U (8) /* Environment call from U-mode */
#define MCAUSE_ECALL_S (9) /* Environment call from S-mode */
#define MCAUSE_RESERVED (10) /* Reserved */
#define MCAUSE_ECALL_M (11) /* Environment call from M-mode */
#define MCAUSE_INST_PAGE_FAULT (12) /* Instruction page fault */
#define MCAUSE_LOAD_PAGE_FAULT (13) /* Load page fault */
#define MCAUSE_RESERVED (14) /* Reserved */
#define MCAUSE_STORE_PAGE_FAULT (15) /* Store/AMO page fault */
/* Max RISC-V defined mcause exception values. */
#define MCAUSE_MAX_EXCEPTION (15)
#endif /* __ARCH_RISCV_INCLUDE_RV32IM_MCAUSE_H */