xref: /netbsd-src/sys/arch/landisk/stand/boot/prf.c (revision 1fd097bf157cce123eb2413f2d91732bb8e70bdc)
1 /*	$NetBSD: prf.c,v 1.1 2006/09/01 21:26:18 uwe Exp $	*/
2 
3 /*-
4  * Copyright (c) 2005 NONAKA Kimihiro
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <lib/libsa/stand.h>
30 #include <lib/libkern/libkern.h>
31 
32 #include "boot.h"
33 
34 void
puthex(int val,int size)35 puthex(int val, int size)
36 {
37 	static const char hexchar[16] = {
38 		'0','1','2','3','4','5','6','7',
39 		'8','9','a','b','c','d','e','f'
40 	};
41 	int i;
42 
43 	switch (size) {
44 	case 1:
45 	case 2:
46 	case 4:
47 		size *= 2;
48 		for (i = size - 1; i >= 0; i--) {
49 			putchar(hexchar[(val >> (i * 4)) & 0xf]);
50 		}
51 		break;
52 	}
53 }
54