1 /*
2 * Copyright 2009, François Revol, revol@free.fr.
3 * Distributed under the terms of the MIT License.
4 */
5
6 #include <uimage.h>
7
8 #include <KernelExport.h>
9 #include <ByteOrder.h>
10
11
dump_uimage(struct image_header * image)12 void dump_uimage(struct image_header *image)
13 {
14 uint32 *sizes;
15 int i;
16
17 dprintf("uimage @ %p:\n", image);
18
19 if (!image)
20 return;
21 dprintf("magic: %x\n", B_BENDIAN_TO_HOST_INT32(image->ih_magic));
22 dprintf("size: %d\n", B_BENDIAN_TO_HOST_INT32(image->ih_size));
23 dprintf("load: %p\n", (void *)B_BENDIAN_TO_HOST_INT32(image->ih_load));
24 dprintf("ep: %p\n", (void *)B_BENDIAN_TO_HOST_INT32(image->ih_ep));
25 dprintf("os: %d\n", image->ih_os);
26 dprintf("arch: %d\n", image->ih_arch);
27 dprintf("type: %d\n", image->ih_type);
28 dprintf("comp: %d\n", image->ih_comp);
29 dprintf("name: '%-32s'\n", image->ih_name);
30 if (image->ih_type != IH_TYPE_MULTI)
31 return;
32 sizes = (uint32 *)(&image[1]);
33 for (i = 0; sizes[i]; i++) {
34 dprintf("contents[%d] :", i);
35 dprintf("%d bytes\n", (int)B_BENDIAN_TO_HOST_INT32(sizes[i]));
36 }
37 }
38
39
40 bool
image_multi_getimg(struct image_header * image,uint32 idx,uint32 * data,uint32 * size)41 image_multi_getimg(struct image_header *image, uint32 idx, uint32 *data, uint32 *size)
42 {
43 uint32 *sizes;
44 uint32 base;
45 int i, count = 0;
46
47 sizes = (uint32 *)(&image[1]);
48 base = (uint32)sizes;
49 for (i = 0; sizes[i]; i++)
50 count++;
51 base += (count + 1) * sizeof(uint32);
52 for (i = 0; sizes[i] && i < count; i++) {
53 if (idx == i) {
54 *data = base;
55 *size = B_BENDIAN_TO_HOST_INT32(sizes[i]);
56 return true;
57 }
58 base += (B_BENDIAN_TO_HOST_INT32(sizes[i]) + 3) & ~3;
59 }
60 return false;
61 }
62
63