isfshax/stage2/utils.c

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2021-05-26 01:53:11 +02:00
/*
* minute - a port of the "mini" IOS replacement for the Wii U.
*
* Copyright (C) 2016 SALT
* Copyright (C) 2016 Daz Jones <daz@dazzozo.com>
*
* Copyright (C) 2008, 2009 Hector Martin "marcan" <marcan@marcansoft.com>
*
* This code is licensed to you under the terms of the GNU GPL, version 2;
* see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
*/
#include "types.h"
#include "utils.h"
#include "gpio.h"
#include "latte.h"
#include <stdarg.h>
void udelay(u32 d)
{
// should be good to max .2% error
u32 ticks = d * 19 / 10;
if(ticks < 2)
ticks = 2;
u32 now = read32(LT_TIMER);
u32 then = now + ticks;
if(then < now) {
while(read32(LT_TIMER) >= now);
now = read32(LT_TIMER);
}
while(now < then) {
now = read32(LT_TIMER);
}
}
void panic(u8 v)
{
while(true) {
//debug_output(v);
//set32(HW_GPIO1BOUT, GP_SLOTLED);
//udelay(500000);
//debug_output(0);
//clear32(HW_GPIO1BOUT, GP_SLOTLED);
//udelay(500000);
}
}