Commit | Line | Data |
---|---|---|
7227b671 ORL |
1 | /* |
2 | * uuidutil.c | |
3 | * | |
4 | * DSP-BIOS Bridge driver support functions for TI OMAP processors. | |
5 | * | |
6 | * This file contains the implementation of UUID helper functions. | |
7 | * | |
8 | * Copyright (C) 2005-2006 Texas Instruments, Inc. | |
9 | * | |
10 | * This package is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
15 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
16 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
17 | */ | |
2094f12d | 18 | #include <linux/types.h> |
7227b671 ORL |
19 | |
20 | /* ----------------------------------- Host OS */ | |
21 | #include <dspbridge/host_os.h> | |
22 | ||
23 | /* ----------------------------------- DSP/BIOS Bridge */ | |
7227b671 ORL |
24 | #include <dspbridge/dbdefs.h> |
25 | ||
26 | /* ----------------------------------- Trace & Debug */ | |
27 | #include <dspbridge/dbc.h> | |
28 | ||
29 | /* ----------------------------------- This */ | |
30 | #include <dspbridge/uuidutil.h> | |
31 | ||
32 | /* | |
33 | * ======== uuid_uuid_to_string ======== | |
34 | * Purpose: | |
35 | * Converts a struct dsp_uuid to a string. | |
36 | * Note: snprintf format specifier is: | |
37 | * %[flags] [width] [.precision] [{h | l | I64 | L}]type | |
38 | */ | |
e6bf74f0 | 39 | void uuid_uuid_to_string(struct dsp_uuid *uuid_obj, char *sz_uuid, |
9d7d0a52 | 40 | s32 size) |
7227b671 ORL |
41 | { |
42 | s32 i; /* return result from snprintf. */ | |
43 | ||
383b8345 | 44 | DBC_REQUIRE(uuid_obj && sz_uuid); |
7227b671 | 45 | |
383b8345 | 46 | i = snprintf(sz_uuid, size, |
7227b671 | 47 | "%.8X_%.4X_%.4X_%.2X%.2X_%.2X%.2X%.2X%.2X%.2X%.2X", |
a534f17b RS |
48 | uuid_obj->data1, uuid_obj->data2, uuid_obj->data3, |
49 | uuid_obj->data4, uuid_obj->data5, | |
50 | uuid_obj->data6[0], uuid_obj->data6[1], | |
51 | uuid_obj->data6[2], uuid_obj->data6[3], | |
52 | uuid_obj->data6[4], uuid_obj->data6[5]); | |
7227b671 ORL |
53 | |
54 | DBC_ENSURE(i != -1); | |
55 | } | |
56 | ||
5b2652b6 | 57 | static s32 uuid_hex_to_bin(char *buf, s32 len) |
7227b671 | 58 | { |
5b2652b6 AS |
59 | s32 i; |
60 | s32 result = 0; | |
0d9073ab | 61 | int value; |
5b2652b6 AS |
62 | |
63 | for (i = 0; i < len; i++) { | |
64 | value = hex_to_bin(*buf++); | |
65 | result *= 16; | |
66 | if (value > 0) | |
67 | result += value; | |
7227b671 | 68 | } |
5b2652b6 AS |
69 | |
70 | return result; | |
7227b671 ORL |
71 | } |
72 | ||
73 | /* | |
74 | * ======== uuid_uuid_from_string ======== | |
75 | * Purpose: | |
76 | * Converts a string to a struct dsp_uuid. | |
77 | */ | |
e6bf74f0 | 78 | void uuid_uuid_from_string(char *sz_uuid, struct dsp_uuid *uuid_obj) |
7227b671 | 79 | { |
5b2652b6 | 80 | s32 j; |
7227b671 | 81 | |
dab7f7fe | 82 | uuid_obj->data1 = uuid_hex_to_bin(sz_uuid, 8); |
383b8345 | 83 | sz_uuid += 8; |
7227b671 ORL |
84 | |
85 | /* Step over underscore */ | |
383b8345 | 86 | sz_uuid++; |
7227b671 | 87 | |
a534f17b | 88 | uuid_obj->data2 = (u16) uuid_hex_to_bin(sz_uuid, 4); |
383b8345 | 89 | sz_uuid += 4; |
7227b671 ORL |
90 | |
91 | /* Step over underscore */ | |
383b8345 | 92 | sz_uuid++; |
7227b671 | 93 | |
a534f17b | 94 | uuid_obj->data3 = (u16) uuid_hex_to_bin(sz_uuid, 4); |
383b8345 | 95 | sz_uuid += 4; |
7227b671 ORL |
96 | |
97 | /* Step over underscore */ | |
383b8345 | 98 | sz_uuid++; |
7227b671 | 99 | |
a534f17b | 100 | uuid_obj->data4 = (u8) uuid_hex_to_bin(sz_uuid, 2); |
383b8345 | 101 | sz_uuid += 2; |
7227b671 | 102 | |
a534f17b | 103 | uuid_obj->data5 = (u8) uuid_hex_to_bin(sz_uuid, 2); |
383b8345 | 104 | sz_uuid += 2; |
7227b671 ORL |
105 | |
106 | /* Step over underscore */ | |
383b8345 | 107 | sz_uuid++; |
7227b671 ORL |
108 | |
109 | for (j = 0; j < 6; j++) { | |
a534f17b | 110 | uuid_obj->data6[j] = (u8) uuid_hex_to_bin(sz_uuid, 2); |
383b8345 | 111 | sz_uuid += 2; |
7227b671 ORL |
112 | } |
113 | } |