mirror of
https://github.com/eclipse-threadx/threadx.git
synced 2025-11-16 04:24:48 +00:00
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/***************************************************************************
|
|
* Copyright (c) 2024 Microsoft Corporation
|
|
*
|
|
* This program and the accompanying materials are made available under the
|
|
* terms of the MIT License which is available at
|
|
* https://opensource.org/licenses/MIT.
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
**************************************************************************/
|
|
|
|
|
|
#ifndef RISCV_PLIC_H
|
|
#define RISCV_PLIC_H
|
|
|
|
#include "csr.h"
|
|
#include <stdint.h>
|
|
|
|
#define PLIC 0x0c000000L
|
|
#define PLIC_PRIORITY (PLIC + 0x0)
|
|
#define PLIC_PENDING (PLIC + 0x1000)
|
|
#define PLIC_MENABLE(hart) (PLIC + 0x2000 + (hart)*0x100)
|
|
#define PLIC_SENABLE(hart) (PLIC + 0x2080 + (hart)*0x100)
|
|
#define PLIC_MPRIORITY(hart) (PLIC + 0x200000 + (hart)*0x2000)
|
|
#define PLIC_SPRIORITY(hart) (PLIC + 0x201000 + (hart)*0x2000)
|
|
#define PLIC_MCLAIM(hart) (PLIC + 0x200004 + (hart)*0x2000)
|
|
#define PLIC_SCLAIM(hart) (PLIC + 0x201004 + (hart)*0x2000)
|
|
#define PLIC_MCOMPLETE(hart) (PLIC + 0x200004 + (hart)*0x2000)
|
|
#define PLIC_SCOMPLETE(hart) (PLIC + 0x201004 + (hart)*0x2000)
|
|
|
|
|
|
#define PLIC_GET_PRIO(irqno) (*(uint32_t *)(PLIC_PRIORITY + (irqno)*4))
|
|
#define PLIC_SET_PRIO(irqno, prio) (*(uint32_t *)(PLIC_PRIORITY + (irqno)*4) = (prio))
|
|
|
|
#define MAX_CALLBACK_NUM 128
|
|
typedef int (*irq_callback)(int irqno);
|
|
|
|
void plic_irq_enable(int irqno);
|
|
void plic_irq_disable(int irqno);
|
|
int plic_prio_get(int irqno);
|
|
void plic_prio_set(int irqno, int prio);
|
|
int plic_register_callback(int irqno, irq_callback callback);
|
|
int plic_unregister_callback(int irqno);
|
|
int plic_init(void);
|
|
int plic_claim(void);
|
|
void plic_complete(int irqno);
|
|
|
|
int plic_irq_intr(void);
|
|
|
|
#endif
|
|
|