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      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
     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