hackthelobby/libcaca/kernel/kernel.c

65 lines
1.7 KiB
C

/*
* libcaca Colour ASCII-Art library
* Copyright (c) 2006-2012 Sam Hocevar <sam@hocevar.net>
* 2009-2010 Jean-Yves Lamoureux <jylam@lnxscene.org>
* All Rights Reserved
*
* This library is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What the Fuck You Want
* to Public License, Version 2, as published by Sam Hocevar. See
* http://www.wtfpl.net/ for more details.
*/
#include "config.h"
#include "caca_types.h"
#ifdef __KERNEL__
#include "klibc.h"
#include "boot/stage2.h"
#include "kernel.h"
#include "drivers/processor.h"
#include "drivers/floppy.h"
#include "drivers/timer.h"
extern char const * const * caca_get_display_driver_list(void);
extern char end[];
/* C entry point, called from stage2 */
int kmain(void)
{
struct processor_info processor_info;
struct floppy_info floppy_info;
printf("_start at 0x%x\n", _start);
printf("kmain() at 0x%x\n", kmain);
printf("Types : char[%d] short[%d] int[%d] unsigned long long[%d]\n", sizeof(char), sizeof(short), sizeof(int), sizeof(unsigned long long));
enable_interrupt(1); // Enable Keyboard Interrupt (IRQ1)
enable_interrupt(0); // Enable IRQ0 (timer)
enable_interrupt(13);
timer_phase(100); // Fire IRQ0 each 1/100s
processor_get_info(&processor_info);
processor_print_info(&processor_info);
floppy_get_info(&floppy_info);
floppy_print_info(&floppy_info);
/* Caca is delicious */
printf("Filling memory with 0xCACA, starting from 0x%x\n", end);
char *ptr = end;
while (1)
{
*ptr = 0xCA;
*ptr++;
}
}
char end[];
#endif /* __KERNEL__ */