1 /*
2 * Copyright (c) 2019, 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 #include <stdlib.h>
26
27
28 #define BUFFER_SIZE 4096
29 #define MAX_FILE_PATH 4096
30 #define MAX_FILE_NAME 260
31
32 #define StrCmp strcasecmp
33
34
usage()35 int usage()
36 {
37 fprintf(stderr, "KernelToHex <source file>\r\n" \
38 "Convert krn into hex file (single file)\r\n\r\n");
39 return -1;
40 }
41
KrnToHex(char * file_krn)42 bool KrnToHex(char *file_krn)
43 {
44 char buffer[BUFFER_SIZE];
45 char *aux_file_hex;
46 char line[40];
47 FILE *f_in, *f_out;
48 char * file_hex = nullptr;
49
50 unsigned int *pbuffer;
51 unsigned int n_read;
52
53 int i;
54 char *pfile_handle;
55 aux_file_hex = (char *)malloc(MAX_FILE_PATH);
56 // Generate destination file name (if not provided)
57 if (aux_file_hex)
58 {
59 memset(aux_file_hex, 0, MAX_FILE_PATH);
60
61 file_hex = aux_file_hex;
62 i = strlen(file_krn) - 4;
63 memcpy(file_hex, file_krn, strlen(file_krn) - 4);
64
65 sprintf(aux_file_hex, "%s.hex", file_hex);
66 }
67
68 // Open files
69 f_in = fopen(file_krn, "rb");
70 f_out = fopen(file_hex, "wb");
71
72 // Check if files successfully open/created
73 if ((f_in != NULL) && (f_out != NULL))
74 {
75 while (true)
76 {
77 n_read = fread(buffer, sizeof(char), BUFFER_SIZE, f_in);
78 if (n_read == 0)
79 {
80 break;
81 }
82
83 pbuffer = (unsigned int *)buffer;
84
85 for (; n_read >= 16; n_read -= 16, pbuffer += 4)
86 {
87 sprintf(line, "%08x %08x %08x %08x\r\n", pbuffer[0], pbuffer[1], pbuffer[2], pbuffer[3]);
88 fwrite(line, 1, 37, f_out);
89 }
90
91 if (n_read > 0)
92 {
93 for (; n_read > 4; n_read -= 4, pbuffer++)
94 {
95 sprintf(line, "%08x ", pbuffer[0]);
96 fwrite(line, 1, 9, f_out);
97 }
98 sprintf(line, "%08x\r\n", pbuffer[0]);
99 fwrite(line, 1, 10, f_out);
100 }
101 }
102 }
103 else
104 {
105 if (f_in == NULL)
106 {
107 fprintf(stderr, "Failed to open input file \"%s\"\r\n", file_krn);
108 }
109
110 if (f_out == NULL)
111 {
112 fprintf(stderr, "Failed to create output file \"%s\"\r\n", file_hex);
113 }
114 }
115
116
117 if (f_in != NULL)
118 {
119 fclose(f_in);
120 }
121
122 if (f_out != NULL)
123 {
124 fclose(f_out);
125 }
126
127 if (aux_file_hex != nullptr)
128 {
129 free(aux_file_hex);
130 aux_file_hex = nullptr;
131 }
132
133 return true;
134 }
135
main(int argc,char * argv[])136 int main(int argc, char* argv[])
137 {
138 char *p = NULL;
139
140 if (argc == 2)
141 {
142 p = strrchr(argv[1], '.');
143
144 if (p != NULL && StrCmp(p, ".krn") == 0)
145 {
146 KrnToHex(argv[1]);
147 }
148 }
149 else
150 {
151 return (usage());
152 }
153
154 return 0;
155 }
156