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riscv : add riscv qemu virt support and fix fs bit error in mstatus

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Jer6y
2024-10-25 20:03:11 +08:00
parent 485a02faec
commit d24da0e2ea
20 changed files with 1463 additions and 0 deletions
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50
ports/risc-v64/gnu/example_build/qemu_virt/plic.h Normal file
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/***************************************************************************
* 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