x86_fat12bs/kernel.c

void kprintstr(char* str);
void khang();

/* HACK. kmain has to come first because of flat binary */

void kmain(void)
{
    char* k_msg = "Hello world from 32-bit C kernel!";
    kprintstr(k_msg);
    khang();
}

void kprintstr(char* str)
{
    /* last line of  80x25 */
    char* ch = (char*)0xb8000 + 2 * 80 * 22;
    while(*str)
    {
        *ch = *str;
        ch++;
        *ch = 0xf; /* white character */
        ch++;
        str++;
    }
    return;
}

void khang()
{
    while(1)
    {

    }
}