physicalmemorymanager.h

//
// Created by dylan on 14/07/2026.
//
 
#ifndef BLU_OS_PHYSICALMEMORYMANAGER_H
#define BLU_OS_PHYSICALMEMORYMANAGER_H
 
#include <stdint.h>
#include <stddef.h>
 
#define KERNEL_VMA 0xC0000000
 
#define PAGE_SIZE 4096
#define FREE 0x00
#define USED 0x01
#define ERROR 0x00000000
 
typedef uint32_t physical_addr_t;
 
extern uint32_t endKernel;
 
void initPhysicalMemoryManager(size_t memSizeInMb);
 
physical_addr_t kallocFrame();
 
void kfreeFrame(physical_addr_t frameAddress);
 
#endif //BLU_OS_PHYSICALMEMORYMANAGER_H