| 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 | } |