cos2000v2/system/system.c

/*******************************************************************************/
/* COS2000 - Compatible Operating System - LGPL v3 - Hordé Nicolas             */
/*                                                                             */
#include "vga.h"
#include "video.h"
#include "interrupts.h"
#include "timer.h"
#include "keyboard.h"
#include "mouse.h"
#include "asm.h"
#include "cpu.h"
#include "string.h"
#include "2d.h"
#include "ansi.c"
#include "gdt.h"
#include "shell.h"
#include "syscall.h"
#include "multiboot2.h"

static u8 warnmsg[] =
    "\033[99C\033[8D\033[37m\033[1m[ \033[36mNON\033[37m  ]\033[0m";
static u8 okmsg[] =
    "\033[99C\033[8D\033[37m\033[1m[  \033[32mOK\033[37m  ]\033[0m";
static u8 errormsg[] =
    "\033[99C\033[8D\033[37m\033[1m[\033[31mERREUR\033[37m]\033[0m";
static u8 key = 0;

void ok()
{
	print(okmsg);
	return;
}

void warning()
{
	print(warnmsg);
	return;
}

void error()
{
	print(errormsg);
	return;
}

int main(u32 magic, u32 addr)
{
	cli();
	setvmode(0x02);
	/*  Efface l'ecran   */

	print("\033[2J\000");
	print(ansilogo);

	print("\033[37m\033[0m -Chargement noyaux");
	ok();

	printf("\033[37m\033[0m -Nombre magique multiboot2 : %X",
	       (u32) magic);
	if (magic == MULTIBOOT2_BOOTLOADER_MAGIC)
{
        initmultiboot(addr);
		ok();
 }
	else
		error();

	print("\033[37m\033[0m -Initilisation de la memoire (GDT)");
	initgdt(&&next);
 next:
	ok();

	print("\033[37m\033[0m -Initilisation des taches (TSR)");
	inittr();
	ok();

    print("\033[37m\033[0m -Initilisation de la pagination (PAGING)");
	initpaging();
	ok();

	print("\033[37m\033[0m -Initilisation des interruptions (IDT/PIC)");
	initidt();
	initpic();
	initretry(&&retry);
	sti();
	ok();

	print(" -Installation du handler timer (IRQ 0)");
	setidt((u32) timer, SEL_KERNEL_CODE, ENTRY_PRESENT | ENTRY_RING0 | INTGATE, 32);
	enableirq(0);
	ok();

	print(" -Installation du handler clavier (IRQ 1)");
	setidt((u32) keyboard, SEL_KERNEL_CODE, ENTRY_PRESENT | ENTRY_RING0 | INTGATE, 33);
	enableirq(1);
	ok();

	print(" -Installation du handler souris (IRQ12+Cascade IRQ2)");
	setidt((u32) mouse, SEL_KERNEL_CODE, ENTRY_PRESENT | ENTRY_RING0 | INTGATE, 100);
	enableirq(2);
	enableirq(12);
	if (initmouse() != 1)
		warning();
	else
		ok();
	printf(" -Installation des appels systemes utilisateur");
	initsyscall();
	ok();
    static u8 tester[]="ceci est un test";
    static u8 strings[255];
    sprintf(&strings," pour voir : %u %d %f %s",123456789,-2522,3.14f,tester);
    print(&strings);

retry:
	shell();
}