kernel/main.c


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#include "gdt.h"
#include "idt.h"

void kernel_serial_out(char* str);

void main() {
	
	kernel_serial_out("main()\n");
	
	gdt_init();
	kernel_serial_out("GDT set.\n");
	
	idt_init();
	kernel_serial_out("IDT set.\n");
	
	kernel_serial_out("Halting.\n");
	
	asm volatile(
		"cli\n"
		"hlt\n"
	);
	while(1);
}

#define outb(port, value) asm volatile("out %b0,%w1" : : "a" (value), "d" (port));

void kernel_serial_out(char* str) {
	while(*str) {
		if(*str == '\n') {
			outb(0x3f8, '\r');
		}
		outb(0x3f8, *str++);
	}
}