Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(33)

Side by Side Diff: firmware/lib/tpm_lite/include/tlcl_internal.h

Issue 2919010: Add tpm lite to vboot reference (Closed) Base URL: ssh://gitrw.chromium.org/vboot_reference.git
Patch Set: Created 10 years, 5 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « firmware/lib/tpm_lite/include/tlcl.h ('k') | firmware/lib/tpm_lite/include/tlcl_structures.h » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
(Empty)
1 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
2 * Use of this source code is governed by a BSD-style license that can be
3 * found in the LICENSE file.
4 */
5
6 #ifndef TPM_LITE_TLCL_INTERNAL_H_
7 #define TPM_LITE_TLCL_INTERNAL_H_
8
9 /*
10 * These numbers derive from adding the sizes of command fields as shown in the
11 * TPM commands manual.
12 */
13 #define kTpmRequestHeaderLength 10
14 #define kTpmResponseHeaderLength 10
15 #define kTpmReadInfoLength 12
16 #define kEncAuthLength 20
17 #define kPcrDigestLength 20
18
19
20 /*
21 * Conversion functions. ToTpmTYPE puts a value of type TYPE into a TPM
22 * command buffer. FromTpmTYPE gets a value of type TYPE from a TPM command
23 * buffer into a variable.
24 */
25 POSSIBLY_UNUSED
26 static INLINE void ToTpmUint32(uint8_t *buffer, uint32_t x) {
27 buffer[0] = (uint8_t)(x >> 24);
28 buffer[1] = (uint8_t)((x >> 16) & 0xff);
29 buffer[2] = (uint8_t)((x >> 8) & 0xff);
30 buffer[3] = (uint8_t)(x & 0xff);
31 }
32
33 /*
34 * See comment for above function.
35 */
36 POSSIBLY_UNUSED
37 static INLINE void FromTpmUint32(const uint8_t *buffer, uint32_t *x) {
38 *x = ((buffer[0] << 24) |
39 (buffer[1] << 16) |
40 (buffer[2] << 8) |
41 buffer[3]);
42 }
43
44 /*
45 * See comment for above function.
46 */
47 POSSIBLY_UNUSED
48 static INLINE void ToTpmUint16(uint8_t *buffer, uint16_t x) {
49 buffer[0] = (uint8_t)(x >> 8);
50 buffer[1] = (uint8_t)(x & 0xff);
51 }
52
53 /*
54 * See comment for above function.
55 */
56 POSSIBLY_UNUSED
57 static INLINE void FromTpmUint16(const uint8_t *buffer, uint16_t *x) {
58 *x = (buffer[0] << 8) | buffer[1];
59 }
60
61 #endif /* TPM_LITE_TLCL_INTERNAL_H_ */
OLDNEW
« no previous file with comments | « firmware/lib/tpm_lite/include/tlcl.h ('k') | firmware/lib/tpm_lite/include/tlcl_structures.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698