1 | #include <time.h> |
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2 | #include <ndstool.h> |
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3 | #include "logo.h" |
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4 | #include "raster.h" |
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5 | #include "banner.h" |
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6 | #include "overlay.h" |
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7 | #include "loadme.h" |
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8 | #include "ndstree.h" |
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9 | |
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10 | unsigned int arm9_align = 0x1FF; |
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11 | unsigned int arm7_align = 0x1FF; |
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12 | unsigned int fnt_align = 0x1FF; // 0x3 0x1FF |
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13 | unsigned int fat_align = 0x1FF; // 0x3 0x1FF |
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14 | unsigned int banner_align = 0x1FF; |
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15 | unsigned int file_align = 0x1FF; // 0x3 0x1FF |
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16 | |
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17 | unsigned int overlay_files = 0; |
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18 | |
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19 | unsigned char romcontrol[] = { 0x00,0x60,0x58,0x00,0xF8,0x08,0x18,0x00 }; |
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20 | |
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21 | const unsigned char nintendo_logo[] = |
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22 | { |
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23 | 0x24,0xFF,0xAE,0x51,0x69,0x9A,0xA2,0x21,0x3D,0x84,0x82,0x0A,0x84,0xE4,0x09,0xAD, |
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24 | 0x11,0x24,0x8B,0x98,0xC0,0x81,0x7F,0x21,0xA3,0x52,0xBE,0x19,0x93,0x09,0xCE,0x20, |
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25 | 0x10,0x46,0x4A,0x4A,0xF8,0x27,0x31,0xEC,0x58,0xC7,0xE8,0x33,0x82,0xE3,0xCE,0xBF, |
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26 | 0x85,0xF4,0xDF,0x94,0xCE,0x4B,0x09,0xC1,0x94,0x56,0x8A,0xC0,0x13,0x72,0xA7,0xFC, |
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27 | 0x9F,0x84,0x4D,0x73,0xA3,0xCA,0x9A,0x61,0x58,0x97,0xA3,0x27,0xFC,0x03,0x98,0x76, |
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28 | 0x23,0x1D,0xC7,0x61,0x03,0x04,0xAE,0x56,0xBF,0x38,0x84,0x00,0x40,0xA7,0x0E,0xFD, |
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29 | 0xFF,0x52,0xFE,0x03,0x6F,0x95,0x30,0xF1,0x97,0xFB,0xC0,0x85,0x60,0xD6,0x80,0x25, |
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30 | 0xA9,0x63,0xBE,0x03,0x01,0x4E,0x38,0xE2,0xF9,0xA2,0x34,0xFF,0xBB,0x3E,0x03,0x44, |
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31 | 0x78,0x00,0x90,0xCB,0x88,0x11,0x3A,0x94,0x65,0xC0,0x7C,0x63,0x87,0xF0,0x3C,0xAF, |
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32 | 0xD6,0x25,0xE4,0x8B,0x38,0x0A,0xAC,0x72,0x21,0xD4,0xF8,0x07, |
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33 | }; |
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34 | |
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35 | /* |
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36 | * HasElfExtension |
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37 | */ |
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38 | bool HasElfExtension(char *filename) |
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39 | { |
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40 | char *p = strrchr(filename, '.'); |
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41 | if (!p) return false; |
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42 | return (strcmp(p, ".elf") == 0); |
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43 | } |
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44 | |
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45 | /* |
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46 | * CopyFromBin |
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47 | */ |
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48 | int CopyFromBin(char *binFilename, unsigned int *size = 0, unsigned int *size_without_footer = 0) |
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49 | { |
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50 | FILE *fi = fopen(binFilename, "rb"); |
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51 | if (!fi) { fprintf(stderr, "Cannot open file '%s'.\n", binFilename); exit(1); } |
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52 | unsigned int _size = 0; |
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53 | while (1) |
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54 | { |
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55 | unsigned char buffer[1024]; |
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56 | int bytesread = fread(buffer, 1, sizeof(buffer), fi); |
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57 | if (bytesread <= 0) break; |
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58 | fwrite(buffer, 1, bytesread, fNDS); |
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59 | _size += bytesread; |
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60 | } |
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61 | if (size) *size = _size; |
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62 | |
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63 | // check footer |
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64 | if (size_without_footer) |
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65 | { |
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66 | fseek(fi, _size - 3*4, SEEK_SET); |
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67 | unsigned_int nitrocode; |
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68 | fread(&nitrocode, sizeof(nitrocode), 1, fi); |
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69 | if (nitrocode == 0xDEC00621) |
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70 | *size_without_footer = _size - 3*4; |
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71 | else |
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72 | *size_without_footer = _size; |
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73 | } |
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74 | |
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75 | fclose(fi); |
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76 | return 0; |
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77 | } |
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78 | |
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79 | /* |
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80 | * CopyFromElf |
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81 | */ |
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82 | #if 0 |
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83 | int CopyFromElf(char *elfFilename, unsigned int *entry, unsigned int *ram_address, unsigned int *size) |
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84 | { |
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85 | int fd = open(elfFilename, O_RDONLY); |
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86 | if (fd < 0) { fprintf(stderr, "Cannot open file '%s'.\n", elfFilename); exit(1); } |
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87 | if (elf_version(EV_CURRENT) == EV_NONE) { fprintf(stderr, "libelf out of date!\n"); exit(1); } |
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88 | Elf *elf; |
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89 | if ((elf = elf_begin(fd, ELF_C_READ, 0)) == 0) { fprintf(stderr, "Cannot open ELF file!\n"); exit(1); } |
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90 | Elf32_Ehdr *ehdr; |
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91 | if ((ehdr = elf32_getehdr(elf)) == 0) { fprintf(stderr, "Cannot read ELF header!\n"); exit(1); } |
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92 | if (ehdr->e_machine != EM_ARM) { fprintf(stderr, "Not an ARM ELF file!\n"); exit(1); } |
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93 | |
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94 | *entry = ehdr->e_entry; |
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95 | *size = 0; |
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96 | *ram_address = 0; |
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97 | // printf("entry = 0x%X\n", ehdr->e_entry); |
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98 | |
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99 | Elf_Scn *scn = elf_getscn(elf, 0); |
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100 | Elf32_Shdr *shdr = elf32_getshdr(scn); |
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101 | while (shdr) |
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102 | { |
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103 | if (shdr->sh_flags & SHF_ALLOC) |
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104 | { |
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105 | /* char *name; |
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106 | if (!(name = elf_strptr(elf, ehdr->e_shstrndx, shdr->sh_name))) name = "???"; |
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107 | printf("%s\n", name);*/ |
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108 | |
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109 | if (!*ram_address) *ram_address = shdr->sh_addr; // use first address (assume it's .text) |
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110 | |
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111 | // don't mind the garbage here |
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112 | |
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113 | // printf("sh_addr=0x%X sh_offset=0x%X sh_size=0x%X sh_link=%u sh_entsize=%u sh_addralign=%u\n", shdr->sh_addr, shdr->sh_offset, shdr->sh_size, shdr->sh_link, shdr->sh_entsize, shdr->sh_addralign); |
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114 | // Elf32_Word sh_name; |
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115 | // Elf32_Word sh_type; |
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116 | // Elf32_Word sh_flags; |
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117 | // Elf32_Addr sh_addr; |
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118 | // Elf32_Off sh_offset; |
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119 | // Elf32_Word sh_size; |
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120 | // Elf32_Word sh_link; |
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121 | // Elf32_Word sh_info; |
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122 | // Elf32_Word sh_addralign; |
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123 | // Elf32_Word sh_entsize; |
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124 | |
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125 | Elf_Data *data; |
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126 | if ((data = elf_getdata(scn, NULL))) |
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127 | { |
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128 | /*for (int i=0; i<data->d_size; i++) |
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129 | { |
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130 | printf("%02X ", ((unsigned char *)data->d_buf)[i]); |
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131 | } |
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132 | printf("\n");*/ |
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133 | fwrite(data->d_buf, 1, data->d_size, fNDS); |
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134 | *size += data->d_size; |
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135 | } |
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136 | } |
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137 | |
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138 | scn = elf_nextscn(elf, scn); |
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139 | shdr = elf32_getshdr(scn); |
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140 | } |
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141 | |
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142 | elf_end(elf); |
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143 | |
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144 | return 0; |
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145 | } |
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146 | #endif |
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147 | |
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148 | /* |
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149 | * AddFile |
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150 | */ |
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151 | void AddFile(char *rootdir, const char *prefix, const char *entry_name, unsigned int file_id) |
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152 | { |
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153 | // make filename |
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154 | char strbuf[MAXPATHLEN]; |
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155 | strcpy(strbuf, rootdir); |
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156 | strcat(strbuf, prefix); |
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157 | strcat(strbuf, entry_name); |
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158 | |
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159 | //unsigned int file_end = ftell(fNDS); |
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160 | |
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161 | file_top = (file_top + file_align) &~ file_align; |
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162 | fseek(fNDS, file_top, SEEK_SET); |
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163 | |
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164 | FILE *fi = fopen(strbuf, "rb"); |
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165 | if (!fi) { fprintf(stderr, "Cannot open file '%s'.\n", strbuf); exit(1); } |
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166 | fseek(fi, 0, SEEK_END); |
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167 | unsigned int size = ftell(fi); |
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168 | unsigned int file_bottom = file_top + size; |
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169 | fseek(fi, 0, SEEK_SET); |
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170 | |
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171 | // print |
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172 | if (verbose) |
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173 | { |
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174 | printf("%5u 0x%08X 0x%08X %9u %s%s\n", file_id, file_top, file_bottom, size, prefix, entry_name); |
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175 | } |
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176 | |
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177 | // write data |
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178 | unsigned int sizeof_copybuf = 256*1024; |
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179 | unsigned char *copybuf = new unsigned char [sizeof_copybuf]; |
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180 | while (size > 0) |
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181 | { |
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182 | unsigned int size2 = (size >= sizeof_copybuf) ? sizeof_copybuf : size; |
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183 | fread(copybuf, 1, size2, fi); |
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184 | fwrite(copybuf, 1, size2, fNDS); |
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185 | size -= size2; |
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186 | } |
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187 | delete [] copybuf; |
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188 | fclose(fi); |
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189 | if ((unsigned int)ftell(fNDS) > file_end) file_end = ftell(fNDS); |
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190 | |
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191 | // write fat |
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192 | fseek(fNDS, header.fat_offset + 8*file_id, SEEK_SET); |
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193 | unsigned_int top = file_top; |
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194 | fwrite(&top, 1, sizeof(top), fNDS); |
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195 | unsigned_int bottom = file_bottom; |
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196 | fwrite(&bottom, 1, sizeof(bottom), fNDS); |
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197 | |
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198 | file_top = file_bottom; |
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199 | } |
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200 | |
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201 | /* |
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202 | * AddDirectory |
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203 | * Walks the tree and adds files to NDS |
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204 | */ |
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205 | void AddDirectory(TreeNode *node, const char *prefix, unsigned int this_dir_id, unsigned int _parent_id) |
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206 | { |
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207 | // skip dummy node |
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208 | node = node->next; |
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209 | |
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210 | if (verbose) printf("%s\n", prefix); |
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211 | |
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212 | // write directory info |
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213 | fseek(fNDS, header.fnt_offset + 8*(this_dir_id & 0xFFF), SEEK_SET); |
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214 | unsigned_int entry_start = _entry_start; // reference location of entry name |
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215 | fwrite(&entry_start, 1, sizeof(entry_start), fNDS); |
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216 | unsigned int _top_file_id = free_file_id; |
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217 | unsigned_short top_file_id = _top_file_id; // file ID of top entry |
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218 | fwrite(&top_file_id, 1, sizeof(top_file_id), fNDS); |
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219 | unsigned_short parent_id = _parent_id; // ID of parent directory or directory count (root) |
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220 | fwrite(&parent_id, 1, sizeof(parent_id), fNDS); |
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221 | |
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222 | //printf("dir %X file_id %u +\n", this_dir_id, (int)top_file_id); |
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223 | |
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224 | // directory entrynames |
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225 | { |
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226 | // start of directory entrynames |
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227 | fseek(fNDS, header.fnt_offset + _entry_start, SEEK_SET); |
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228 | |
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229 | // write filenames |
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230 | for (TreeNode *t=node; t; t=t->next) |
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231 | { |
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232 | if (!t->directory) |
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233 | { |
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234 | int namelen = strlen(t->name); |
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235 | fputc(t->directory ? namelen | 128 : namelen, fNDS); _entry_start += 1; |
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236 | fwrite(t->name, 1, namelen, fNDS); _entry_start += namelen; |
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237 | |
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238 | //printf("[ %s -> %u ]\n", t->name, free_file_id); |
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239 | |
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240 | free_file_id++; |
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241 | } |
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242 | } |
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243 | |
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244 | // write directorynames |
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245 | for (TreeNode *t=node; t; t=t->next) |
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246 | { |
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247 | if (t->directory) |
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248 | { |
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249 | //printf("*entry %s\n", t->name); |
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250 | |
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251 | int namelen = strlen(t->name); |
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252 | fputc(t->directory ? namelen | 128 : namelen, fNDS); _entry_start += 1; |
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253 | fwrite(t->name, 1, namelen, fNDS); _entry_start += namelen; |
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254 | |
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255 | //printf("[ %s -> %X ]\n", t->name, t->dir_id); |
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256 | |
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257 | unsigned_short _dir_id_tmp = t->dir_id; |
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258 | fwrite(&_dir_id_tmp, 1, sizeof(_dir_id_tmp), fNDS); |
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259 | _entry_start += sizeof(_dir_id_tmp); |
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260 | } |
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261 | } |
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262 | |
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263 | fputc(0, fNDS); _entry_start += 1; // end of directory entrynames |
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264 | } |
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265 | |
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266 | // add files |
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267 | unsigned int local_file_id = _top_file_id; |
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268 | for (TreeNode *t=node; t; t=t->next) |
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269 | { |
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270 | //printf("*2* %s\n", t->name); |
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271 | |
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272 | if (!t->directory) |
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273 | { |
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274 | AddFile(filerootdir, prefix, t->name, local_file_id++); |
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275 | } |
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276 | } |
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277 | |
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278 | // add subdirectories |
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279 | for (TreeNode *t=node; t; t=t->next) |
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280 | { |
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281 | //printf("*2* %s\n", t->name); |
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282 | |
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283 | if (t->directory) |
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284 | { |
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285 | char strbuf[MAXPATHLEN]; |
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286 | strcpy(strbuf, prefix); |
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287 | strcat(strbuf, t->name); |
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288 | strcat(strbuf, "/"); |
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289 | AddDirectory(t->directory, strbuf, t->dir_id, this_dir_id); |
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290 | } |
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291 | } |
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292 | } |
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293 | |
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294 | /* |
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295 | * Create |
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296 | */ |
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297 | void Create() |
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298 | { |
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299 | fNDS = fopen(ndsfilename, "wb"); |
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300 | if (!fNDS) { fprintf(stderr, "Cannot open file '%s'.\n", ndsfilename); exit(1); } |
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301 | |
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302 | bool bSecureSyscalls = false; |
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303 | char *headerfilename = (headerfilename_or_size && (strtoul(headerfilename_or_size,0,0) == 0)) ? headerfilename_or_size : 0; |
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304 | u32 headersize = headerfilename_or_size ? strtoul(headerfilename_or_size,0,0) : 0x200; |
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305 | |
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306 | // initial header data |
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307 | if (headerfilename) |
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308 | { |
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309 | // header template |
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310 | FILE *fi = fopen(headerfilename, "rb"); |
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311 | if (!fi) { fprintf(stderr, "Cannot open file '%s'.\n", headerfilename); exit(1); } |
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312 | fread(&header, 1, 0x200, fi); |
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313 | fclose(fi); |
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314 | |
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315 | if ((header.arm9_ram_address + 0x800 == header.arm9_entry_address) || (header.rom_header_size > 0x200)) |
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316 | { |
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317 | bSecureSyscalls = true; |
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318 | } |
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319 | } |
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320 | else // set header default values |
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321 | { |
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322 | // clear header |
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323 | memset(&header, 0, 0x200); |
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324 | memcpy(header.gamecode, "####", 4); |
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325 | |
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326 | if ((arm9RamAddress + 0x800 == arm9Entry) || (headersize > 0x200)) |
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327 | { |
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328 | bSecureSyscalls = true; |
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329 | } |
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330 | else |
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331 | { |
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332 | header.reserved2 = 0x04; // autostart |
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333 | *(unsigned_int *)(((unsigned char *)&header) + 0x0) = 0xEA00002E; // for PassMe's that start @ 0x08000000 |
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334 | } |
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335 | *(unsigned_int *)(((unsigned char *)&header) + 0x60) = 1<<22 | latency2<<16 | 1<<14 | 1<<13 | latency1; // ROM control info 1 |
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336 | *(unsigned_int *)(((unsigned char *)&header) + 0x64) = 1<<29 | latency2<<16 | latency1; // ROM control info 2 |
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337 | *(unsigned_short *)(((unsigned char *)&header) + 0x6E) = 0x051E; // ROM control info 3 |
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338 | } |
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339 | if (headersize) header.rom_header_size = headersize; |
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340 | if (header.rom_header_size == 0) header.rom_header_size = bSecureSyscalls ? 0x4000 : 0x200; |
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341 | |
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342 | // load a logo |
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343 | if (logofilename) |
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344 | { |
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345 | char *p = strrchr(logofilename, '.'); |
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346 | if (!strcmp(p, ".bmp")) |
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347 | { |
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348 | CRaster raster; |
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349 | if (raster.LoadBMP(logofilename) < 0) exit(1); |
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350 | unsigned char white = (raster.palette[0].rgbGreen >= 128) ? 0 : 1; |
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351 | if (LogoConvert(raster.raster, header.logo, white) < 0) exit(1); |
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352 | } |
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353 | else |
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354 | { |
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355 | FILE *fi = fopen(logofilename, "rb"); |
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356 | if (!fi) { fprintf(stderr, "Cannot open file '%s'.\n", logofilename); exit(1); } |
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357 | fread(&header.logo, 1, 156, fi); |
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358 | fclose(fi); |
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359 | } |
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360 | } |
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361 | else if (bSecureSyscalls) // use Nintendo logo |
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362 | { |
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363 | memcpy(((unsigned char *)&header) + 0xC0, nintendo_logo, sizeof(nintendo_logo)); |
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364 | } |
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365 | else // add small NDS loader |
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366 | { |
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367 | if (loadme_size != 156) { fprintf(stderr, "loadme size error\n"); exit(1); } |
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368 | memcpy(header.logo, loadme, loadme_size); // self-contained NDS loader for *Me GBA cartridge boot |
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369 | memcpy(&header.offset_0xA0, "SRAM_V110", 9); // allow GBA cartridge SRAM backup |
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370 | memcpy(&header.offset_0xAC, "PASS01\x96", 7); // automatically start with FlashMe, make it look more like a GBA rom |
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371 | } |
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372 | |
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373 | // override default title/game/maker codes |
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374 | if (title) strncpy(header.title, title, 12); |
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375 | if (gamecode) strncpy(header.gamecode, gamecode, 4); |
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376 | if (makercode) strncpy((char *)header.makercode, makercode, 2); |
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377 | |
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378 | // -------------------------- |
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379 | |
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380 | fseek(fNDS, header.rom_header_size, SEEK_SET); |
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381 | |
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382 | // ARM9 binary |
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383 | if (arm9filename) |
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384 | { |
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385 | header.arm9_rom_offset = (ftell(fNDS) + arm9_align) &~ arm9_align; |
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386 | fseek(fNDS, header.arm9_rom_offset, SEEK_SET); |
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387 | |
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388 | unsigned int entry_address = arm9Entry ? arm9Entry : (unsigned int)header.arm9_entry_address; // template |
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389 | unsigned int ram_address = arm9RamAddress ? arm9RamAddress : (unsigned int)header.arm9_ram_address; // template |
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390 | if (!ram_address && entry_address) ram_address = entry_address; |
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391 | if (!entry_address && ram_address) entry_address = ram_address; |
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392 | if (!ram_address) { ram_address = entry_address = 0x02000000; } |
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393 | |
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394 | // add dummy area for secure syscalls |
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395 | header.arm9_size = 0; |
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396 | if (bSecureSyscalls) |
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397 | { |
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398 | unsigned_int x; |
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399 | FILE *fARM9 = fopen(arm9filename, "rb"); |
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400 | if (fARM9) |
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401 | { |
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402 | fread(&x, sizeof(x), 1, fARM9); |
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403 | fclose(fARM9); |
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404 | if (x != 0xE7FFDEFF) // not already exist? |
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405 | { |
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406 | x = 0xE7FFDEFF; |
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407 | for (int i=0; i<0x800/4; i++) fwrite(&x, sizeof(x), 1, fNDS); |
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408 | header.arm9_size = 0x800; |
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409 | } |
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410 | } |
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411 | } |
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412 | |
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413 | unsigned int size = 0; |
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414 | #if 0 |
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415 | if (HasElfExtension(arm9filename)) |
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416 | CopyFromElf(arm9filename, &entry_address, &ram_address, &size); |
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417 | else |
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418 | #endif |
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419 | CopyFromBin(arm9filename, 0, &size); |
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420 | header.arm9_entry_address = entry_address; |
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421 | header.arm9_ram_address = ram_address; |
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422 | header.arm9_size = header.arm9_size + ((size + 3) &~ 3); |
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423 | } |
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424 | else |
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425 | { |
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426 | fprintf(stderr, "ARM9 binary file required.\n"); |
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427 | exit(1); |
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428 | } |
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429 | |
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430 | // ARM9 overlay table |
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431 | if (arm9ovltablefilename) |
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432 | { |
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433 | unsigned_int x1 = 0xDEC00621; fwrite(&x1, sizeof(x1), 1, fNDS); // 0x2106c0de magic |
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434 | unsigned_int x2 = 0x00000AD8; fwrite(&x2, sizeof(x2), 1, fNDS); // ??? |
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435 | unsigned_int x3 = 0x00000000; fwrite(&x3, sizeof(x3), 1, fNDS); // ??? |
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436 | |
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437 | header.arm9_overlay_offset = ftell(fNDS); // do not align |
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438 | fseek(fNDS, header.arm9_overlay_offset, SEEK_SET); |
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439 | unsigned int size = 0; |
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440 | CopyFromBin(arm9ovltablefilename, &size); |
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441 | header.arm9_overlay_size = size; |
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442 | overlay_files += size / sizeof(OverlayEntry); |
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443 | if (!size) header.arm9_overlay_offset = 0; |
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444 | } |
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445 | |
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446 | // COULD BE HERE: ARM9 overlay files, no padding before or between. end is padded with 0xFF's and then followed by ARM7 binary |
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447 | // fseek(fNDS, 1388772, SEEK_CUR); // test for ASME |
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448 | |
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449 | // ARM7 binary |
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450 | header.arm7_rom_offset = (ftell(fNDS) + arm7_align) &~ arm7_align; |
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451 | fseek(fNDS, header.arm7_rom_offset, SEEK_SET); |
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452 | |
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453 | char *devkitProPATH; |
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454 | devkitProPATH = getenv("DEVKITPRO"); |
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455 | |
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456 | #ifdef __WIN32__ |
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457 | // convert to standard windows path |
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458 | if ( devkitProPATH && devkitProPATH[0] == '/' ) { |
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459 | devkitProPATH[0] = devkitProPATH[1]; |
---|
460 | devkitProPATH[1] = ':'; |
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461 | } |
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462 | #endif |
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463 | |
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464 | if ( !arm7filename) { |
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465 | char arm7PathName[MAXPATHLEN]; |
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466 | |
---|
467 | if (!devkitProPATH) { |
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468 | fprintf(stderr,"No arm7 specified and DEVKITPRO missing from environment!\n"); |
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469 | exit(1); |
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470 | } |
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471 | |
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472 | strcpy(arm7PathName,devkitProPATH); |
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473 | strcat(arm7PathName,"/libnds/basic.arm7"); |
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474 | arm7filename = arm7PathName; |
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475 | } |
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476 | |
---|
477 | unsigned int entry_address = arm7Entry ? arm7Entry : (unsigned int)header.arm7_entry_address; // template |
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478 | unsigned int ram_address = arm7RamAddress ? arm7RamAddress : (unsigned int)header.arm7_ram_address; // template |
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479 | if (!ram_address && entry_address) ram_address = entry_address; |
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480 | if (!entry_address && ram_address) entry_address = ram_address; |
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481 | if (!ram_address) { ram_address = entry_address = 0x037f8000; } |
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482 | |
---|
483 | unsigned int size = 0; |
---|
484 | CopyFromBin(arm7filename, &size); |
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485 | |
---|
486 | header.arm7_entry_address = entry_address; |
---|
487 | header.arm7_ram_address = ram_address; |
---|
488 | header.arm7_size = ((size + 3) &~ 3); |
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489 | |
---|
490 | // ARM7 overlay table |
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491 | if (arm7ovltablefilename) |
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492 | { |
---|
493 | header.arm7_overlay_offset = ftell(fNDS); // do not align |
---|
494 | fseek(fNDS, header.arm7_overlay_offset, SEEK_SET); |
---|
495 | unsigned int size = 0; |
---|
496 | CopyFromBin(arm7ovltablefilename, &size); |
---|
497 | header.arm7_overlay_size = size; |
---|
498 | overlay_files += size / sizeof(OverlayEntry); |
---|
499 | if (!size) header.arm7_overlay_offset = 0; |
---|
500 | } |
---|
501 | |
---|
502 | // COULD BE HERE: probably ARM7 overlay files, just like for ARM9 |
---|
503 | // |
---|
504 | |
---|
505 | if (overlay_files && !overlaydir) |
---|
506 | { |
---|
507 | fprintf(stderr, "Overlay directory required!.\n"); |
---|
508 | exit(1); |
---|
509 | } |
---|
510 | |
---|
511 | // filesystem |
---|
512 | //if (filerootdir || overlaydir) |
---|
513 | { |
---|
514 | // read directory structure |
---|
515 | free_file_id = overlay_files; |
---|
516 | free_dir_id++; |
---|
517 | directory_count++; |
---|
518 | TreeNode *filetree; |
---|
519 | if (filerootdir) |
---|
520 | filetree = ReadDirectory(new TreeNode(), filerootdir); |
---|
521 | else |
---|
522 | filetree = new TreeNode(); // dummy root node 0xF000 |
---|
523 | |
---|
524 | // calculate offsets required for FNT and FAT |
---|
525 | _entry_start = 8*directory_count; // names come after directory structs |
---|
526 | header.fnt_offset = (ftell(fNDS) + fnt_align) &~ fnt_align; |
---|
527 | header.fnt_size = |
---|
528 | _entry_start + // directory structs |
---|
529 | total_name_size + // total number of name characters for dirs and files |
---|
530 | directory_count*4 + // directory: name length (1), dir id (2), end-character (1) |
---|
531 | file_count*1 + // files: name length (1) |
---|
532 | - 3; // root directory only has an end-character |
---|
533 | file_count += overlay_files; // didn't take overlay files into FNT size, but have to be calculated into FAT size |
---|
534 | header.fat_offset = (header.fnt_offset + header.fnt_size + fat_align) &~ fat_align; |
---|
535 | header.fat_size = file_count * 8; // each entry contains top & bottom offset |
---|
536 | |
---|
537 | // banner after FNT/FAT |
---|
538 | if (bannerfilename) |
---|
539 | { |
---|
540 | header.banner_offset = (header.fat_offset + header.fat_size + banner_align) &~ banner_align; |
---|
541 | file_top = header.banner_offset + 0x840; |
---|
542 | fseek(fNDS, header.banner_offset, SEEK_SET); |
---|
543 | if (bannertype == BANNER_IMAGE) |
---|
544 | { |
---|
545 | IconFromBMP(); |
---|
546 | } |
---|
547 | else |
---|
548 | { |
---|
549 | CopyFromBin(bannerfilename, 0); |
---|
550 | } |
---|
551 | } |
---|
552 | else |
---|
553 | { |
---|
554 | file_top = header.fat_offset + header.fat_size; |
---|
555 | header.banner_offset = 0; |
---|
556 | } |
---|
557 | |
---|
558 | file_end = file_top; // no file data as yet |
---|
559 | |
---|
560 | // add (hidden) overlay files |
---|
561 | for (unsigned int i=0; i<overlay_files; i++) |
---|
562 | { |
---|
563 | char s[32]; sprintf(s, OVERLAY_FMT, i/*free_file_id*/); |
---|
564 | AddFile(overlaydir, "/", s, i/*free_file_id*/); |
---|
565 | //free_file_id++; // incremented up to overlay_files |
---|
566 | } |
---|
567 | |
---|
568 | // add all other (visible) files |
---|
569 | AddDirectory(filetree, "/", 0xF000, directory_count); |
---|
570 | fseek(fNDS, file_end, SEEK_SET); |
---|
571 | |
---|
572 | if (verbose) |
---|
573 | { |
---|
574 | printf("%u directories.\n", directory_count); |
---|
575 | printf("%u normal files.\n", file_count - overlay_files); |
---|
576 | printf("%u overlay files.\n", overlay_files); |
---|
577 | } |
---|
578 | } |
---|
579 | |
---|
580 | // -------------------------- |
---|
581 | |
---|
582 | // align file size |
---|
583 | unsigned int newfilesize = file_end; //ftell(fNDS); |
---|
584 | newfilesize = (newfilesize + 3) &~ 3; // align to 4 bytes |
---|
585 | header.application_end_offset = newfilesize; |
---|
586 | fseek(fNDS, newfilesize-1, SEEK_SET); int c = fgetc(fNDS); |
---|
587 | fseek(fNDS, newfilesize-1, SEEK_SET); fputc((c >= 0) ? c : 0, fNDS); |
---|
588 | |
---|
589 | // calculate device capacity |
---|
590 | newfilesize |= newfilesize >> 16; newfilesize |= newfilesize >> 8; |
---|
591 | newfilesize |= newfilesize >> 4; newfilesize |= newfilesize >> 2; |
---|
592 | newfilesize |= newfilesize >> 1; newfilesize++; |
---|
593 | if (newfilesize <= 128*1024) newfilesize = 128*1024; |
---|
594 | int devcap = -18; |
---|
595 | unsigned int x = newfilesize; |
---|
596 | while (x != 0) { x >>= 1; devcap++; } |
---|
597 | header.devicecap = (devcap < 0) ? 0 : devcap; |
---|
598 | |
---|
599 | // fix up header CRCs and write header |
---|
600 | header.logo_crc = CalcLogoCRC(header); |
---|
601 | header.header_crc = CalcHeaderCRC(header); |
---|
602 | fseek(fNDS, 0, SEEK_SET); |
---|
603 | fwrite(&header, 0x200, 1, fNDS); |
---|
604 | |
---|
605 | fclose(fNDS); |
---|
606 | } |
---|