1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Access to portions of the GBB using the region API.
*/
#ifndef VBOOT_REFERENCE_GBB_ACCESS_H_
#define VBOOT_REFERENCE_GBB_ACCESS_H_
#include "vboot_api.h"
struct BmpBlockHeader;
struct ImageInfo;
struct GoogleBinaryBlockHeader;
struct ScreenLayout;
struct VbPublicKey;
/**
* Read the GBB header
*
* This accesses the GBB and reads its header.
*
* @param cparams Vboot common parameters
* @param gbb Place to put GBB header
*/
VbError_t VbGbbReadHeader_static(VbCommonParams *cparams,
struct GoogleBinaryBlockHeader *gbb);
/**
* Read the root key from the GBB
*
* @param cparams Vboot common parameters
* @param keyp Returns a pointer to the key. The caller must call
* free() on the key when finished with it.
* @return VBERROR_... error, VBERROR_SUCCESS on success,
*/
VbError_t VbGbbReadRootKey(VbCommonParams *cparams,
struct VbPublicKey **keyp);
/**
* Read the recovery key from the GBB
*
* @param cparams Vboot common parameters
* @param keyp Returns a pointer to the key. The caller must call
* free() on the key when finished with it.
* @return VBERROR_... error, VBERROR_SUCCESS on success,
*/
VbError_t VbGbbReadRecoveryKey(VbCommonParams *cparams,
struct VbPublicKey **keyp);
/**
* Read the bitmap block header from the GBB
*
* @param cparams Vboot common parameters
* @param hdr The header is placed in this block
* @return VBERROR_... error, VBERROR_SUCCESS on success,
*/
VbError_t VbGbbReadBmpHeader(VbCommonParams *cparams,
struct BmpBlockHeader *hdr);
/**
* Read a image from the GBB
*
* The caller must call free() on *image_datap when finished with it.
*
* @param cparams Vboot common parameters
* @param localization Localization/language number
* @param screen_index Index of screen to display (VB_SCREEN_...)
* @param image_num Image number within the screen
* @param layout Returns layout information (x, y position)
* @param image_info Returns information about the image (format)
* @param image_datap Returns a pointer to the image data
* @param iamge_data_sizep Return size of image data
* @return VBERROR_... error, VBERROR_SUCCESS on success,
*/
VbError_t VbGbbReadImage(VbCommonParams *cparams,
uint32_t localization, uint32_t screen_index,
uint32_t image_num, struct ScreenLayout *layout,
struct ImageInfo *image_info, char **image_datap,
uint32_t *image_data_sizep);
#endif
|
