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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/***************************************************************************
* Copyright (C) 2006 by Dominic Rath *
* Dominic.Rath@gmx.de *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xilinx_bit.h"
#include "pld.h"
#include <helper/log.h>
#include <sys/stat.h>
#include <helper/system.h>
static int read_section(FILE *input_file, int length_size, char section,
uint32_t *buffer_length, uint8_t **buffer)
{
uint8_t length_buffer[4];
int length;
char section_char;
int read_count;
if ((length_size != 2) && (length_size != 4)) {
LOG_ERROR("BUG: length_size neither 2 nor 4");
return ERROR_PLD_FILE_LOAD_FAILED;
}
read_count = fread(§ion_char, 1, 1, input_file);
if (read_count != 1)
return ERROR_PLD_FILE_LOAD_FAILED;
if (section_char != section)
return ERROR_PLD_FILE_LOAD_FAILED;
read_count = fread(length_buffer, 1, length_size, input_file);
if (read_count != length_size)
return ERROR_PLD_FILE_LOAD_FAILED;
if (length_size == 4)
length = be_to_h_u32(length_buffer);
else /* (length_size == 2) */
length = be_to_h_u16(length_buffer);
if (buffer_length)
*buffer_length = length;
*buffer = malloc(length);
read_count = fread(*buffer, 1, length, input_file);
if (read_count != length)
return ERROR_PLD_FILE_LOAD_FAILED;
return ERROR_OK;
}
int xilinx_read_bit_file(struct xilinx_bit_file *bit_file, const char *filename)
{
FILE *input_file;
struct stat input_stat;
int read_count;
if (!filename || !bit_file)
return ERROR_COMMAND_SYNTAX_ERROR;
if (stat(filename, &input_stat) == -1) {
LOG_ERROR("couldn't stat() %s: %s", filename, strerror(errno));
return ERROR_PLD_FILE_LOAD_FAILED;
}
if (S_ISDIR(input_stat.st_mode)) {
LOG_ERROR("%s is a directory", filename);
return ERROR_PLD_FILE_LOAD_FAILED;
}
if (input_stat.st_size == 0) {
LOG_ERROR("Empty file %s", filename);
return ERROR_PLD_FILE_LOAD_FAILED;
}
input_file = fopen(filename, "rb");
if (!input_file) {
LOG_ERROR("couldn't open %s: %s", filename, strerror(errno));
return ERROR_PLD_FILE_LOAD_FAILED;
}
read_count = fread(bit_file->unknown_header, 1, 13, input_file);
if (read_count != 13) {
LOG_ERROR("couldn't read unknown_header from file '%s'", filename);
return ERROR_PLD_FILE_LOAD_FAILED;
}
if (read_section(input_file, 2, 'a', NULL, &bit_file->source_file) != ERROR_OK)
return ERROR_PLD_FILE_LOAD_FAILED;
if (read_section(input_file, 2, 'b', NULL, &bit_file->part_name) != ERROR_OK)
return ERROR_PLD_FILE_LOAD_FAILED;
if (read_section(input_file, 2, 'c', NULL, &bit_file->date) != ERROR_OK)
return ERROR_PLD_FILE_LOAD_FAILED;
if (read_section(input_file, 2, 'd', NULL, &bit_file->time) != ERROR_OK)
return ERROR_PLD_FILE_LOAD_FAILED;
if (read_section(input_file, 4, 'e', &bit_file->length, &bit_file->data) != ERROR_OK)
return ERROR_PLD_FILE_LOAD_FAILED;
LOG_DEBUG("bit_file: %s %s %s,%s %" PRIu32 "", bit_file->source_file, bit_file->part_name,
bit_file->date, bit_file->time, bit_file->length);
fclose(input_file);
return ERROR_OK;
}
|