42_KFS/src/memory/memory.c

#include "memory.h"
#include "debug.h"
#include "kprintf.h"

#include <stdint.h>

uint32_t *page_directory = &boot_page_directory;
uint32_t page_table_default[1024] __attribute__((aligned(4096)));
uint64_t mem_size;

void init_memory(void)
{
	assert(page_directory);
	for (uint16_t i = 0; i < 0x300; i++)
		page_directory[i] = 0x02;
	init_page_table(page_table_default, 0);
	page_directory[0] = ((uint32_t)page_table_default - HEAP_END) | 0x03;
}