wip: change memory to have access to page_tables and allocate these dynamically

src/kernel.c

@@ -36,8 +36,9 @@ void kernel_main(void)
 	        "I see no way to confuse an array of 256 seg:off pairs with a "
 	        "complex 8*unknown quantity -byte descriptor table. -- Troy "
 	        "Martin 03:50, 22 March 2009 (UTC)\n");
-	/* char *str = vmalloc(10); */
-	/* strcpy(str, "hello"); */
+	char *str = vmalloc(10);
+	if (str)
+		strcpy(str, "hello");
 	/* int i = 0; */
 	/* while (vmalloc(10)) */
 	/* 	; */
@@ -45,9 +46,9 @@ void kernel_main(void)
 	/* 	kprintf("%d\n", i); */
 	/* void *tab[1024]; */
 	/* for (int i = 0; i < 1023; i++) { */
-	/* 	tab[i] = alloc_pages(1); */
-	/* PRINT_INT(i); */
-	/* PRINT_PTR(tab[i]); */
+	/* 	tab[i] = alloc_pages(1, NULL); */
+	/* 	PRINT_INT(i); */
+	/* 	PRINT_PTR(tab[i]); */
 	/* 	if (!tab[i]) */
 	/* 		break; */
 	/* 	memset(tab[i], i, 4096); */
@@ -56,5 +57,5 @@ void kernel_main(void)
 	/* for (int i = 0; i < 10; i++) */
 	/* 	PRINT_UINT(((uint8_t *)tab[i])[0]); */
 	/* PRINT_PTR(tab[i]); */
-	/* shell_init(); */
+	shell_init();
 }