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
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/***************************************************************************
* Copyright (C) 2006 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xilinx_bit.h"
#include "pld.h"
#include "log.h"
#include <sys/stat.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;
}
if ((read_count = fread(§ion_char, 1, 1, input_file)) != 1)
{
return ERROR_PLD_FILE_LOAD_FAILED;
}
if (section_char != section)
{
return ERROR_PLD_FILE_LOAD_FAILED;
}
if ((read_count = fread(length_buffer, 1, length_size, input_file)) != 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);
if ((read_count = fread(*buffer, 1, length, input_file)) != length)
{
return ERROR_PLD_FILE_LOAD_FAILED;
}
return ERROR_OK;
}
int xilinx_read_bit_file(xilinx_bit_file_t *bit_file, char *filename)
{
FILE *input_file;
struct stat input_stat;
int read_count;
if (!filename || !bit_file)
return ERROR_INVALID_ARGUMENTS;
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;
}
if (!(input_file = fopen(filename, "rb")))
{
LOG_ERROR("couldn't open %s: %s", filename, strerror(errno));
return ERROR_PLD_FILE_LOAD_FAILED;
}
if ((read_count = fread(bit_file->unknown_header, 1, 13, input_file)) != 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 %" PRIi32 "", bit_file->source_file, bit_file->part_name,
bit_file->date, bit_file->time, bit_file->length);
fclose(input_file);
return ERROR_OK;
}
|
