/*
** Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the MIT License.
*/
#ifndef KERNEL_ARCH_RISCV64_KERNEL_ARGS_H
#define KERNEL_ARCH_RISCV64_KERNEL_ARGS_H

#ifndef KERNEL_BOOT_KERNEL_ARGS_H
#       error This file is included from <boot/kernel_args.h> only
#endif


#include <util/FixedWidthPointer.h>
#include <boot/uart.h>


#define _PACKED __attribute__((packed))

#define MAX_VIRTUAL_RANGES_TO_KEEP      32


enum {
        kPlatformNone,
        kPlatformMNative,
        kPlatformSbi,
};


// kernel args
typedef struct {
        // Virtual address range of RAM physical memory mapping region
        addr_range physMap;

        // The virtual ranges we want to keep in the kernel.
        uint32          num_virtual_ranges_to_keep;
        addr_range      virtual_ranges_to_keep[MAX_VIRTUAL_RANGES_TO_KEEP];

        // MNative hooks, or SBI
        uint32 machine_platform;

        uint64 timerFrequency; // in Hz

        // All following address are virtual
        FixedWidthPointer<void> acpi_root;
        FixedWidthPointer<void> fdt;

        addr_range      htif;
        addr_range      plic;
        addr_range      clint;

        uart_info       uart;

        uint32 hartIds[SMP_MAX_CPUS];
        uint32 plicContexts[SMP_MAX_CPUS];
} _PACKED arch_kernel_args;

#endif  /* KERNEL_ARCH_RISCV64_KERNEL_ARGS_H */