// SPDX-License-Identifier: GPL-3.0-or-later
// Copyright (c) 2026 0xKSor

#include "../Common/bootinfo.h"
#include <Arch/DTB.h>
#include <Arch/Timer.h>
#include <Arch/CPU.h>
#include <Arch/GIC.h>
#include <IO/Serial.h>
#include <VM/PMM.h>
#include <VM/VMM.h>
#include <VM/Heap.h>
#include <OS/Log.h>
#include <OS/Panic.h>
#include <OS/Scheduler.h>

void KernelMain(Bootinfo* bootinfo) {
    OSLog("Kernel started.\n");
    if (bootinfo->magic != BOOTINFO_MAGIC) {
        OSPanic("Invalid bootinfo magic");
    }

    VMBootMemoryMap bootMap = {0};

    bootMap.reservedCount = 0;
    DTBParse(bootinfo->dtb, &bootMap);
    PMMInitialize(&bootMap);
    VMMInitialize(&bootMap, bootinfo);
    SerialUpdate(VMPhysToHHDM(bootMap.UART.base));
    HeapInitialize();

    GICInitialize(
        (Pointer)VMPhysToHHDM(bootMap.GIC.GICD.base),
        (Pointer)VMPhysToHHDM(bootMap.GIC.GICC.base)
    );
    TimerInitialize();
    CPUEnableInterrupts();
    SchedulerInitialize();

    OSLog("Kernel initialized.\n");
}