tools/imagetool: remove linker script
[karo-tx-uboot.git] / tools / imagetool.c
1 /*
2  * (C) Copyright 2013
3  *
4  * Written by Guilherme Maciel Ferreira <guilherme.maciel.ferreira@gmail.com>
5  *
6  * SPDX-License-Identifier:     GPL-2.0+
7  */
8
9 #include "imagetool.h"
10
11 #include <image.h>
12
13 struct image_type_params *imagetool_get_type(int type)
14 {
15         struct image_type_params **curr;
16         INIT_SECTION(image_type);
17
18         struct image_type_params **start = __start_image_type;
19         struct image_type_params **end = __stop_image_type;
20
21         for (curr = start; curr != end; curr++) {
22                 if ((*curr)->check_image_type) {
23                         if (!(*curr)->check_image_type(type))
24                                 return *curr;
25                 }
26         }
27         return NULL;
28 }
29
30 int imagetool_verify_print_header(
31         void *ptr,
32         struct stat *sbuf,
33         struct image_type_params *tparams,
34         struct image_tool_params *params)
35 {
36         int retval = -1;
37         struct image_type_params **curr;
38         INIT_SECTION(image_type);
39
40         struct image_type_params **start = __start_image_type;
41         struct image_type_params **end = __stop_image_type;
42
43         for (curr = start; curr != end; curr++) {
44                 if ((*curr)->verify_header) {
45                         retval = (*curr)->verify_header((unsigned char *)ptr,
46                                                      sbuf->st_size, params);
47
48                         if (retval == 0) {
49                                 /*
50                                  * Print the image information  if verify is
51                                  * successful
52                                  */
53                                 if ((*curr)->print_header) {
54                                         (*curr)->print_header(ptr);
55                                 } else {
56                                         fprintf(stderr,
57                                                 "%s: print_header undefined for %s\n",
58                                                 params->cmdname, (*curr)->name);
59                                 }
60                                 break;
61                         }
62                 }
63         }
64
65         return retval;
66 }
67
68 int imagetool_save_subimage(
69         const char *file_name,
70         ulong file_data,
71         ulong file_len)
72 {
73         int dfd;
74
75         dfd = open(file_name, O_RDWR | O_CREAT | O_TRUNC | O_BINARY,
76                    S_IRUSR | S_IWUSR);
77         if (dfd < 0) {
78                 fprintf(stderr, "Can't open \"%s\": %s\n",
79                         file_name, strerror(errno));
80                 return -1;
81         }
82
83         if (write(dfd, (void *)file_data, file_len) != (ssize_t)file_len) {
84                 fprintf(stderr, "Write error on \"%s\": %s\n",
85                         file_name, strerror(errno));
86                 close(dfd);
87                 return -1;
88         }
89
90         close(dfd);
91
92         return 0;
93 }