Exemplo n.º 1
0
int start_kernel(int argc, char *argv[])
{
	int i;
	int rc;
	int reg[16];
	int cpsr;
	const int timer_irq = 49;

	cpsr = get_cpsr();
	cpsr &= ~(1<<6 | 1<<7); /* enable irq & fiq */
	cpsr = set_cpsr(cpsr);

	printk("starting kernel...\n");

	printk("starting timer1...\n");
	avic_init_irq((void *)0x80000000, 128);
	mxs_enable_fiq_functionality(1);

	icoll_unmask_irq(timer_irq);



	start_timer(0, 0, 0, 0);


	waitMsec(1000);

	printk("CPSR: [%08X]\n", getcpsr());
	getr(reg);

	for(i=0; i<16; i++){
		printk("register [%d]: [%X]\n", i, reg[i]);
	}
	printk("Hello World!\n");

	while(1) {
		printk("E");
		waitMsec(1000);
	}
	return 0;
}
Exemplo n.º 2
0
void
main() {
	uint j=0,i=0,k=0;
	uint rev;
	ulong pc;

	pc = getpc();
	pl011_addr((void *)pc, 1);
	pl011_puts("Entered main() at ");
	pl011_addr(&main, 0);
	pl011_puts(" with SP=");
	pl011_addr((void *)getsp(), 0);
	pl011_puts(" with SC=");
	pl011_addr((void *)getsc(), 0);
	pl011_puts(" with CPSR=");
	pl011_addr((void *)getcpsr(), 0);
	pl011_puts(" with SPSR=");
	pl011_addr((void *)getspsr(), 1);

	pl011_puts("Clearing Mach:  ");
	memset(m, 0, sizeof(Mach));
	pl011_addr((char *)m,		0); pl011_puts("-");
	pl011_addr((char *)(m+1),	1);

	pl011_puts("Clearing edata: ");
	memset(edata, 0, end-edata);
	pl011_addr((char *)&edata,	0); pl011_puts("-");
	pl011_addr((char *)&end,	1);

	conf.nmach = 1;

	quotefmtinstall();
	confinit();
	mmuinit1();
	xinit();
	poolinit();
	poolsizeinit();
	//uartconsinit();
	screeninit();
	trapinit();
	timersinit();
	clockinit();
	printinit();
	swcursorinit();

	rev = getfirmware();
	print("\nARM %ld MHz id %8.8lux firmware: rev %d, mem: %ld\n"
		,(m->cpuhz+500000)/1000000, getcpuid(), rev, conf.topofmem/MB);
	print("Inferno OS %s Vita Nuova\n", VERSION);
	print("Ported to Raspberry Pi (BCM2835) by LynxLine\n\n");

	procinit();
	links();
	chandevreset();

	eve = strdup("inferno");

	userinit();
	schedinit();

	pl011_puts("to inifinite loop\n\n");
	for (;;);
}