spz-lab3/src/mmu.c

#include <stdio.h>

#include "kernel.h"


extern size_t system_time;


void MMU_read(struct PageTableEntry *pt, size_t page_no)
{
	if (!pt[page_no].p)
		KERNEL_page_fault(pt, page_no);

	printf("[mmu:read] pt[%d] -> ppn %d\n", page_no, pt[page_no].ppn);
	pt[page_no].r = 1;

	system_time++;
}

void MMU_write(struct PageTableEntry *pt, size_t page_no)
{
	if (!pt[page_no].p)
		KERNEL_page_fault(pt, page_no);

	printf("[mmu:write] pt[%d] -> ppn %d\n", page_no, pt[page_no].ppn);
	pt[page_no].r = 1;
	pt[page_no].m = 1;

	system_time++;
}