| /* Copyright 2007, Google Inc. */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| |
| #include <sys/stat.h> |
| |
| int main(int argc, char *argv[]) |
| { |
| struct stat s; |
| unsigned size, base; |
| int unified_boot = 0; |
| unsigned unified_boot_magic[20]; |
| unsigned non_unified_boot_magic[10]; |
| unsigned magic_len = 0; |
| unsigned *magic; |
| int fd; |
| |
| if(argc < 3) { |
| fprintf(stderr,"usage: mkheader <bin> <hdr>\n"); |
| return -1; |
| } |
| |
| if (argc == 4) { |
| if(!strcmp("unified-boot",argv[3])) { |
| unified_boot = 1; |
| } |
| } |
| |
| if(stat(argv[1], &s)) { |
| perror("cannot stat binary"); |
| return -1; |
| } |
| |
| if(unified_boot) { |
| magic = unified_boot_magic; |
| magic_len = sizeof(unified_boot_magic); |
| } else { |
| magic = non_unified_boot_magic; |
| magic_len = sizeof(non_unified_boot_magic); |
| } |
| |
| size = s.st_size; |
| #if MEMBASE |
| base = MEMBASE; |
| #else |
| base = 0; |
| #endif |
| |
| magic[0] = 0x00000005; /* appsbl */ |
| magic[1] = 0x00000002; /* nand */ |
| magic[2] = 0x00000000; |
| magic[3] = base; |
| magic[4] = size; |
| magic[5] = size; |
| magic[6] = size + base; |
| magic[7] = 0x00000000; |
| magic[8] = size + base; |
| magic[9] = 0x00000000; |
| |
| if (unified_boot == 1) |
| { |
| magic[10] = 0x33836685; /* cookie magic number */ |
| magic[11] = 0x00000001; /* cookie version */ |
| magic[12] = 0x00000002; /* file formats */ |
| magic[13] = 0x00000000; |
| magic[14] = 0x00000000; /* not setting size for boot.img */ |
| magic[15] = 0x00000000; |
| magic[16] = 0x00000000; |
| magic[17] = 0x00000000; |
| magic[18] = 0x00000000; |
| magic[19] = 0x00000000; |
| } |
| |
| fd = open(argv[2], O_WRONLY | O_CREAT | O_TRUNC, 0644); |
| if(fd < 0) { |
| perror("cannot open header for writing"); |
| return -1; |
| } |
| if(write(fd, magic, magic_len) != magic_len) { |
| perror("cannot write header"); |
| close(fd); |
| unlink(argv[2]); |
| return -1; |
| } |
| close(fd); |
| |
| return 0; |
| } |