ffd4b35c |
1 | #include <stdio.h> |
2 | #include <arpa/inet.h> |
3 | |
4 | static uint32_t rom[0x400000 / 4]; |
5 | |
6 | int main(int argc, char *argv[]) |
7 | { |
8 | size_t ret; |
9 | FILE *f; |
10 | int i; |
11 | |
12 | if (argc != 2) { |
13 | fprintf(stderr, "usage:\n%s <bin>\n", argv[0]); |
14 | return 1; |
15 | } |
16 | |
17 | f = fopen(argv[1], "r+"); |
18 | if (!f) { |
19 | perror("fopen"); |
20 | return 1; |
21 | } |
22 | |
23 | for (i = 0; i < 0x400000; i += 4) { |
24 | uint32_t v = i; |
25 | v = (v << 8) | ((v >> 16) & 0xff); |
26 | rom[i / 4] = htonl(v); |
27 | } |
28 | |
29 | ret = fread(rom, 1, sizeof(rom), f); |
30 | if (ret == 0) { |
31 | perror("fread"); |
32 | fclose(f); |
33 | return 1; |
34 | } |
35 | rewind(f); |
36 | |
37 | ret = fwrite(rom, 1, sizeof(rom), f); |
38 | fclose(f); |
39 | if (ret != sizeof(rom)) { |
40 | perror("fwrite"); |
41 | return 1; |
42 | } |
43 | |
44 | return 0; |
45 | } |