Remove redundant sys/types.h #include directives (now in types.h).
[openocd.git] / src / pld / xilinx_bit.c
1 /***************************************************************************
2 * Copyright (C) 2006 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
23
24 #include "xilinx_bit.h"
25
26 #include "pld.h"
27 #include "log.h"
28
29 #include <stdlib.h>
30 #include <unistd.h>
31 #include <sys/stat.h>
32 #include <fcntl.h>
33 #include <string.h>
34 #include <errno.h>
35
36 #include <sys/time.h>
37 #include <time.h>
38
39 int read_section(FILE *input_file, int length_size, char section, u32 *buffer_length, u8 **buffer)
40 {
41 u8 length_buffer[4];
42 int length;
43 char section_char;
44 int read_count;
45
46 if ((length_size != 2) && (length_size != 4))
47 {
48 LOG_ERROR("BUG: length_size neither 2 nor 4");
49 return ERROR_PLD_FILE_LOAD_FAILED;
50 }
51
52 if ((read_count = fread(&section_char, 1, 1, input_file)) != 1)
53 {
54 return ERROR_PLD_FILE_LOAD_FAILED;
55 }
56
57 if (section_char != section)
58 {
59 return ERROR_PLD_FILE_LOAD_FAILED;
60 }
61
62 if ((read_count = fread(length_buffer, 1, length_size, input_file)) != length_size)
63 {
64 return ERROR_PLD_FILE_LOAD_FAILED;
65 }
66
67 if (length_size == 4)
68 length = be_to_h_u32(length_buffer);
69 else /* (length_size == 2) */
70 length = be_to_h_u16(length_buffer);
71
72 if (buffer_length)
73 *buffer_length = length;
74
75 *buffer = malloc(length);
76
77 if ((read_count = fread(*buffer, 1, length, input_file)) != length)
78 {
79 return ERROR_PLD_FILE_LOAD_FAILED;
80 }
81
82 return ERROR_OK;
83 }
84
85 int xilinx_read_bit_file(xilinx_bit_file_t *bit_file, char *filename)
86 {
87 FILE *input_file;
88 struct stat input_stat;
89 int read_count;
90
91 if (!filename || !bit_file)
92 return ERROR_INVALID_ARGUMENTS;
93
94 if (stat(filename, &input_stat) == -1)
95 {
96 LOG_ERROR("couldn't stat() %s: %s", filename, strerror(errno));
97 return ERROR_PLD_FILE_LOAD_FAILED;
98 }
99
100 if (S_ISDIR(input_stat.st_mode))
101 {
102 LOG_ERROR("%s is a directory", filename);
103 return ERROR_PLD_FILE_LOAD_FAILED;
104 }
105
106 if (input_stat.st_size == 0){
107 LOG_ERROR("Empty file %s", filename);
108 return ERROR_PLD_FILE_LOAD_FAILED;
109 }
110
111 if (!(input_file = fopen(filename, "rb")))
112 {
113 LOG_ERROR("couldn't open %s: %s", filename, strerror(errno));
114 return ERROR_PLD_FILE_LOAD_FAILED;
115 }
116
117 if ((read_count = fread(bit_file->unknown_header, 1, 13, input_file)) != 13)
118 {
119 LOG_ERROR("couldn't read unknown_header from file '%s'", filename);
120 return ERROR_PLD_FILE_LOAD_FAILED;
121 }
122
123 if (read_section(input_file, 2, 'a', NULL, &bit_file->source_file) != ERROR_OK)
124 return ERROR_PLD_FILE_LOAD_FAILED;
125
126 if (read_section(input_file, 2, 'b', NULL, &bit_file->part_name) != ERROR_OK)
127 return ERROR_PLD_FILE_LOAD_FAILED;
128
129 if (read_section(input_file, 2, 'c', NULL, &bit_file->date) != ERROR_OK)
130 return ERROR_PLD_FILE_LOAD_FAILED;
131
132 if (read_section(input_file, 2, 'd', NULL, &bit_file->time) != ERROR_OK)
133 return ERROR_PLD_FILE_LOAD_FAILED;
134
135 if (read_section(input_file, 4, 'e', &bit_file->length, &bit_file->data) != ERROR_OK)
136 return ERROR_PLD_FILE_LOAD_FAILED;
137
138 LOG_DEBUG("bit_file: %s %s %s,%s %i", bit_file->source_file, bit_file->part_name,
139 bit_file->date, bit_file->time, bit_file->length);
140
141 fclose(input_file);
142
143 return ERROR_OK;
144 }