rt-thread-official/libcpu/risc-v/t-head/c908/interrupt.h

49 lines
1.2 KiB
C

/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-10-19 JasonHu first version
*/
#ifndef __INTERRUPT_H__
#define __INTERRUPT_H__
#include <rthw.h>
#define NR_CPUS 1
#define IRQ_OFFSET 16
#ifndef IRQ_MAX_NR
#define IRQ_MAX_NR 200
#endif
#define INTERRUPTS_MAX (IRQ_OFFSET + IRQ_MAX_NR)
enum {
EP_INSTRUCTION_ADDRESS_MISALIGNED = 0,
EP_INSTRUCTION_ACCESS_FAULT,
EP_ILLEGAL_INSTRUCTION,
EP_BREAKPOINT,
EP_LOAD_ADDRESS_MISALIGNED,
EP_LOAD_ACCESS_FAULT,
EP_STORE_ADDRESS_MISALIGNED,
EP_STORE_ACCESS_FAULT,
EP_ENVIRONMENT_CALL_U_MODE,
EP_ENVIRONMENT_CALL_S_MODE,
EP_RESERVED10,
EP_ENVIRONMENT_CALL_M_MODE,
EP_INSTRUCTION_PAGE_FAULT, /* page attr */
EP_LOAD_PAGE_FAULT, /* read data */
EP_RESERVED14,
EP_STORE_PAGE_FAULT, /* write data */
};
void rt_hw_interrupt_init(void);
void rt_hw_interrupt_mask(int vector);
void rt_hw_interrupt_umask(int vector);
rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler, void *param, const char *name);
#endif