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79 lines
1.5 KiB
C
79 lines
1.5 KiB
C
/*
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mini - a Free Software replacement for the Nintendo/BroadOn IOS.
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random utilities
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Copyright (C) 2008, 2009 Hector Martin "marcan" <marcan@marcansoft.com>
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# This code is licensed to you under the terms of the GNU GPL, version 2;
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# see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
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*/
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#include "types.h"
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#include "utils.h"
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#include "gecko.h"
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#include "vsprintf.h"
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#include "start.h"
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#include "gpio.h"
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#include "hollywood.h"
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#ifndef LOADER
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static char ascii(char s) {
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if(s < 0x20) return '.';
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if(s > 0x7E) return '.';
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return s;
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}
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void hexdump(void *d, int len) {
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u8 *data;
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int i, off;
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data = (u8*)d;
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for (off=0; off<len; off += 16) {
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gecko_printf("%08x ",off);
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for(i=0; i<16; i++)
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if((i+off)>=len) gecko_printf(" ");
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else gecko_printf("%02x ",data[off+i]);
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gecko_printf(" ");
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for(i=0; i<16; i++)
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if((i+off)>=len) gecko_printf(" ");
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else gecko_printf("%c",ascii(data[off+i]));
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gecko_printf("\n");
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}
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}
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#endif
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void udelay(u32 d)
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{
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// should be good to max .2% error
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u32 ticks = d * 19 / 10;
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if(ticks < 2)
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ticks = 2;
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u32 now = read32(HW_TIMER);
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u32 then = now + ticks;
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if(then < now) {
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while(read32(HW_TIMER) >= now);
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now = read32(HW_TIMER);
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}
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while(now < then) {
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now = read32(HW_TIMER);
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}
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}
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void panic(u8 v)
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{
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while(1) {
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debug_output(v);
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set32(HW_GPIO1BOUT, GP_SLOTLED);
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udelay(500000);
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debug_output(0);
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clear32(HW_GPIO1BOUT, GP_SLOTLED);
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udelay(500000);
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}
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}
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