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

#pragma once
#include <Types.h>

enum {
    kVMPageSize = 4096,
    kVMBlocksPerByte = 8,
    kVMMaxReservedRegions = 256,
    kPMMReservedRegionCount = 3,
};

typedef struct {
    UInt64 base;
    Size size;
} VMMemoryRegion;

typedef struct {
    VMMemoryRegion GICD;
    VMMemoryRegion GICC;
} GICRegion;


typedef struct {
    VMMemoryRegion totalRAM;
    VMMemoryRegion reserved[kVMMaxReservedRegions];
    UInt32 reservedCount;
    VMMemoryRegion UART;
    GICRegion GIC;
} VMBootMemoryMap;

void PMMInitialize(VMBootMemoryMap* bootMap);
Pointer PMMAllocatePage();
void PMMFreePage(Address address);