| 172 | } |
| 173 | |
| 174 | static int read_bios_directory(FILE *fw, uint32_t offset, uint32_t expected_cookie, |
| 175 | bios_directory_hdr *header, bios_directory_entry **entries, |
| 176 | size_t *num_entries) |
| 177 | { |
| 178 | offset = file_rel_mask(offset); |
| 179 | |
| 180 | if (read_header(fw, offset, header, sizeof(bios_directory_hdr))) { |
| 181 | ERR("Failed to read BIOS header\n"); |
| 182 | return 1; |
| 183 | } |
| 184 | |
| 185 | /* Ensure that we have a BIOS directory */ |
| 186 | if (header->cookie != expected_cookie) { |
| 187 | ERR("Invalid BIOS header cookie value found: 0x%x, expected: 0x%x\n", |
| 188 | header->cookie, expected_cookie); |
| 189 | return 1; |
| 190 | } |
| 191 | |
| 192 | if (!entries || !num_entries) |
| 193 | return 0; |
| 194 | |
| 195 | /* Read the entries */ |
| 196 | *num_entries = header->num_entries; |
| 197 | *entries = malloc(sizeof(bios_directory_entry) * header->num_entries); |
| 198 | if (fread(*entries, sizeof(bios_directory_entry), header->num_entries, fw) |
| 199 | != header->num_entries) { |
| 200 | ERR("Failed to read %d BIOS entries\n", header->num_entries); |
| 201 | return 1; |
| 202 | } |
| 203 | |
| 204 | return 0; |
| 205 | } |
| 206 | |
| 207 | static int read_soft_fuse(FILE *fw, const embedded_firmware *fw_header) |
| 208 | { |
no test coverage detected