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