mirror of https://github.com/E-Almqvist/eOS
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
24 lines
582 B
24 lines
582 B
#include "paging.h"
|
|
#include "../drivers/vga.h"
|
|
|
|
void enable_paging() {
|
|
println("Enabling paging...", DEFAULT_COLOR);
|
|
|
|
extern int enable_paging_registers(); // Call the assembly SR
|
|
enable_paging_registers();
|
|
|
|
return;
|
|
}
|
|
|
|
// Page Entry struct
|
|
struct page_entry {
|
|
unsigned int index;
|
|
unsigned int start_addr;
|
|
} page_table[PAGE_TABLE_SIZE];
|
|
|
|
int get_phys_addr(int virt_addr) {
|
|
int index = virt_addr / PAGE_SIZE; // page index for the virtual address
|
|
int offset = virt_addr % PAGE_SIZE; // actual physical offset for the address
|
|
|
|
return page_table[index].start_addr + offset;
|
|
}
|
|
|