1 /* -----------------------------------------------------------------------
2 *
3 * Copyright 1994-2008 H. Peter Anvin - All Rights Reserved
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, Inc., 53 Temple Place Ste 330,
8 * Boston MA 02111-1307, USA; either version 2 of the License, or
9 * (at your option) any later version; incorporated herein by reference.
10 *
11 * -----------------------------------------------------------------------
12 */
13 #include <core.h>
14
15 /*
16 * writehex.c
17 *
18 * Write hexadecimal numbers to the console
19 *
20 */
21
__writehex(uint32_t h,int digits)22 static inline void __writehex(uint32_t h, int digits)
23 {
24 while (digits) {
25 uint8_t shift;
26 uint8_t al;
27
28 shift = --digits;
29 al = ((h & 0x0f << shift) >> shift);
30 if (al < 10)
31 al += '0';
32 else
33 al += 'A' - 10;
34
35 writechr(al);
36 }
37 }
38
39 /*
40 * writehex[248]: Write a hex number in (AL, AX, EAX) to the console
41 */
writehex2(uint32_t h)42 void writehex2(uint32_t h)
43 {
44 __writehex(h, 2);
45 }
46
writehex4(uint8_t h)47 void writehex4(uint8_t h)
48 {
49 __writehex(h, 4);
50 }
51
writehex8(uint8_t h)52 void writehex8(uint8_t h)
53 {
54 __writehex(h, 8);
55 }
56
pm_writehex2(com32sys_t * regs)57 void pm_writehex2(com32sys_t *regs)
58 {
59 writehex2(regs->eax.b[0]);
60 }
61
pm_writehex4(com32sys_t * regs)62 void pm_writehex4(com32sys_t *regs)
63 {
64 writehex4(regs->eax.w[0]);
65 }
66
pm_writehex8(com32sys_t * regs)67 void pm_writehex8(com32sys_t *regs)
68 {
69 writehex8(regs->eax.l);
70 }
71