rt-thread-official/bsp/cvitek/c906_little/board/interrupt.h

59 lines
2.0 KiB
C
Executable File

/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2024/01/11 flyingcys The first version
*/
#ifndef __INTERRUPT_H__
#define __INTERRUPT_H__
#define NR_CPUS 1
#define IRQ_OFFSET 16
#ifndef IRQ_MAX_NR
#define IRQ_MAX_NR 207
#endif
#define INTERRUPTS_MAX (IRQ_OFFSET + IRQ_MAX_NR)
#define PLIC_BASE 0x70000000
#define PLIC_PRIORITY0 (PLIC_BASE + 0x0)
#define PLIC_PRIORITY1 (PLIC_BASE + 0x4)
#define PLIC_PRIORITY2 (PLIC_BASE + 0x8)
#define PLIC_PRIORITY3 (PLIC_BASE + 0xc)
#define PLIC_PRIORITY4 (PLIC_BASE + 0x10)
#define PLIC_PENDING1 (PLIC_BASE + 0x1000)
#define PLIC_PENDING2 (PLIC_BASE + 0x1004)
#define PLIC_PENDING3 (PLIC_BASE + 0x1008)
#define PLIC_PENDING4 (PLIC_BASE + 0x100C)
#define PLIC_ENABLE1 (PLIC_BASE + 0x2000)
#define PLIC_ENABLE2 (PLIC_BASE + 0x2004)
#define PLIC_ENABLE3 (PLIC_BASE + 0x2008)
#define PLIC_ENABLE4 (PLIC_BASE + 0x200C)
#define PLIC_THRESHOLD (PLIC_BASE + 0x200000)
#define PLIC_CLAIM (PLIC_BASE + 0x200004)
#define PLIC_PRIORITY_OFFSET (0x0)
#define PLIC_PENDING_OFFSET (0x1000)
#define PLIC_ENABLE_OFFSET (0x2000)
#define PLIC_ENABLE_STRIDE 0x80
#define PLIC_CONTEXT_STRIDE 0x1000
#define PLIC_PRIORITY(id) (PLIC_PHY_ADDR + PLIC_PRIORITY_OFFSET + (id) * 4)
#define PLIC_PENDING(id) (PLIC_PHY_ADDR + PLIC_PENDING_OFFSET + ((id) / 32))
#define PLIC_ENABLE(id) (PLIC_PHY_ADDR + PLIC_ENABLE_OFFSET + ((id) / 32))
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