//kernel.c
//08/13/03 Josh Holtrop
//Holtrop's Operating System

#include "k_defines.h"

#include "lib/string.h"
#include "lib/io.h"

#include "functions.h"
#include "video.h"
#include "mm.h"

void isr(dword num);
void k_init();

#include "mm.c"
#include "functions.c"
#include "video.c"

dword timer = 0;

void k_init()
{
	remap_pics(0x20, 0x28);
	//set timer : 2e9c = 100hz
	outportb(0x43, 0x34);
	outportb(0x40, 0x9c); //lsb
	outportb(0x40, 0x2e); //msb
	enable_ints();
	video_init((ModeInfoBlock *) 0x90306);
	mm_init();
	console_cls();
	printf("Memory available to OS: %d MB", mm_totalmem/0x100000);
	pageblock *pb = first_pageblock;
	for (;;)
	{
		if (pb->flags == MM_PB_NP)
			break;
		printf("\nBase: 0x%x; Limit: 0x%x; Flags: 0x%x, Link: 0x%x", pb->base, pb->length, pb->flags, pb->link);
		pb = (pageblock *) pb->link;
	}
	int a;
	for (a = -1024; a < 778; a += 98)
		printf("\n%u\t%d\t%x", a, a, a);
	//printf("\n%d\t%d", -123, -23456);
}

void isr(dword num)
{
	if (num == 0x20)
	{
		timer++;
		eoi();
	}
	//if (num == 0x21)
	//	restart();
}