1 /*
2 * Copyright (c) 2017, Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23 #include <stdio.h>
24 #include <string.h>
25
26 #define BUFFER_SIZE 4096
27 #define MAX_FILE_PATH 4096
28 #define MAX_FILE_NAME 260
29
30 #ifdef LINUX_
31 #define StrCmp strcasecmp
32 #else
33 #define StrCmp stricmp
34 #endif
35
usage()36 int usage()
37 {
38 fprintf(stderr, "KernelToHex <source file>\r\n" \
39 "Convert krn into hex file (single file)\r\n\r\n");
40 return -1;
41 }
42
KrnToHex(char * file_krn,char * file_hex)43 bool KrnToHex(char *file_krn, char *file_hex)
44 {
45 char buffer[BUFFER_SIZE];
46 char aux_file_hex[MAX_FILE_PATH];
47 char line[40];
48 FILE *f_in, *f_out;
49
50 unsigned int *pbuffer;
51 unsigned int n_read;
52
53 int i;
54 char *pfile_handle;
55
56 // Generate destination file name (if not provided)
57 if (!file_hex)
58 {
59 file_hex = aux_file_hex;
60
61 strncpy(file_hex, file_krn, MAX_FILE_PATH - 5);
62 file_hex[MAX_FILE_PATH - 5] = 0;
63 i = (int)strlen(file_hex);
64
65 pfile_handle = strrchr(file_hex, '.');
66 if (!pfile_handle)
67 {
68 pfile_handle = file_hex + i;
69 }
70 sprintf(pfile_handle, ".hex");
71 }
72
73 // Open files
74 f_in = fopen(file_krn, "rb");
75 f_out = fopen(file_hex, "wb");
76
77 // Check if files successfully open/created
78 if ((f_in != NULL) && (f_out != NULL))
79 {
80 while (true)
81 {
82 n_read = fread(buffer, sizeof(char), BUFFER_SIZE, f_in);
83 if (n_read == 0)
84 {
85 break;
86 }
87
88 pbuffer = (unsigned int *)buffer;
89
90 for (; n_read >= 16; n_read -= 16, pbuffer+=4)
91 {
92 sprintf(line, "%08x %08x %08x %08x\r\n", pbuffer[0], pbuffer[1], pbuffer[2], pbuffer[3]);
93 fwrite(line, 1, 37, f_out);
94 }
95
96 if(n_read > 0)
97 {
98 for (; n_read > 4; n_read -= 4, pbuffer++)
99 {
100 sprintf(line, "%08x ", pbuffer[0]);
101 fwrite(line, 1, 9, f_out);
102 }
103 sprintf(line, "%08x\r\n", pbuffer[0]);
104 fwrite(line, 1, 10, f_out);
105 }
106 }
107 }
108 else
109 {
110 if (f_in == NULL)
111 {
112 fprintf(stderr, "Failed to open input file \"%s\"\r\n", file_krn);
113 }
114
115 if (f_out == NULL)
116 {
117 fprintf(stderr, "Failed to create output file \"%s\"\r\n", file_hex);
118 }
119 }
120
121 // Add 128 bytes padding at the end of each biniary
122 for (int i = 0; i < 8; i++)
123 {
124 sprintf(line, "%08x %08x %08x %08x\r\n", 0, 0, 0, 0);
125 fwrite(line, 1, 37, f_out);
126 }
127
128 if (f_in != NULL)
129 {
130 fclose(f_in);
131 }
132
133 if (f_out != NULL)
134 {
135 fclose(f_out);
136 }
137
138 return true;
139 }
140
main(int argc,char * argv[])141 int main(int argc, char* argv[])
142 {
143 char *p = NULL;
144
145 if (argc == 2)
146 {
147 p = strrchr(argv[1], '.');
148
149 if (p != NULL && StrCmp(p, ".krn") == 0)
150 {
151 KrnToHex(argv[1], NULL);
152 }
153 }
154 else
155 {
156 return (usage());
157 }
158
159 return 0;
160 }
161