Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 1 | // SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
| 2 | /* |
| 3 | * Copyright (c) 2019 Amlogic, Inc. All rights reserved. |
| 4 | */ |
| 5 | |
| 6 | #include <config.h> |
| 7 | #include <common.h> |
| 8 | #include <command.h> |
| 9 | #include <errno.h> |
| 10 | #include <mmc.h> |
| 11 | #include <part.h> |
| 12 | #include <memalign.h> |
| 13 | #include <malloc.h> |
| 14 | #include <linux/list.h> |
| 15 | #include <div64.h> |
| 16 | #include <amlogic/mmc_private.h> |
| 17 | #include <amlogic/emmc_partitions.h> |
| 18 | #include <amlogic/cpu_id.h> |
| 19 | #include <part_efi.h> |
| 20 | #include <amlogic/partition_table.h> |
| 21 | #include <linux/compat.h> |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 22 | #include <u-boot/crc.h> |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 23 | #include <amlogic/aml_mmc.h> |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 24 | |
| 25 | DECLARE_GLOBAL_DATA_PTR; |
| 26 | /* using mbr*/ |
| 27 | #define CONFIG_PTBL_MBR (0) |
| 28 | #if (CONFIG_PTBL_MBR) |
| 29 | /* cmpare partition name? */ |
| 30 | #define CONFIG_CMP_PARTNAME (0) |
| 31 | /* cmpare partition mask */ |
| 32 | #define CONFIG_CMP_PARTMASK (0) |
| 33 | #else |
| 34 | #define CONFIG_CMP_PARTNAME (1) |
| 35 | #define CONFIG_CMP_PARTMASK (1) |
| 36 | #endif |
| 37 | /* debug info*/ |
| 38 | #define CONFIG_MPT_DEBUG (0) |
jinbiao | 8794b48 | 2023-12-26 12:40:24 +0000 | [diff] [blame] | 39 | #define GPT_SIZE 0x4400 |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 40 | |
| 41 | #define apt_err(fmt, ...) printf( "%s()-%d: " fmt , \ |
| 42 | __func__, __LINE__, ##__VA_ARGS__) |
| 43 | |
| 44 | #define apt_wrn(fmt, ...) printf( "%s()-%d: " fmt , \ |
| 45 | __func__, __LINE__, ##__VA_ARGS__) |
| 46 | #if (CONFIG_MPT_DEBUG) |
| 47 | /* for detail debug info */ |
| 48 | #define apt_info(fmt, ...) printf( "%s()-%d: " fmt , \ |
| 49 | __func__, __LINE__, ##__VA_ARGS__) |
| 50 | #else |
| 51 | #define apt_info(fmt, ...) |
| 52 | #endif |
| 53 | |
| 54 | /* creat MBR for emmc */ |
| 55 | #define MAX_PNAME_LEN MAX_MMC_PART_NAME_LEN |
| 56 | #define MAX_PART_COUNT MAX_MMC_PART_NUM |
| 57 | |
| 58 | /* |
| 59 | Global offset of reserved partition is 36MBytes |
| 60 | since MMC_BOOT_PARTITION_RESERVED is 32MBytes and |
| 61 | MMC_BOOT_DEVICE_SIZE is 4MBytes. |
| 62 | MMC_RESERVED_SIZE is 64MBytes for now. |
| 63 | layout detail inside reserved partition. |
| 64 | 0x000000 - 0x003fff: partition table |
| 65 | 0x004000 - 0x03ffff: storage key area (16k offset & 256k size) |
| 66 | 0x400000 - 0x47ffff: dtb area (4M offset & 512k size) |
| 67 | 0x480000 - 64MBytes: resv for other usage. |
| 68 | ... |
| 69 | */ |
| 70 | /* |
| 71 | #define RSV_DTB_OFFSET_GLB (SZ_1M*40) |
| 72 | #define RSV_DTB_SIZE (512*1024UL) |
| 73 | #define RSV_PTBL_OFFSET (SZ_1M*0) |
| 74 | #define RSV_PTBL_SIZE (16*1024UL) |
| 75 | #define RSV_SKEY_OFFSET (16*1024UL) |
| 76 | #define RSV_SKEY_SIZE (256*1024UL) |
| 77 | #define RSV_DTB_OFFSET (SZ_1M*4) |
| 78 | */ |
| 79 | |
| 80 | /* virtual partitions which are in "reserved" */ |
| 81 | #define MAX_MMC_VIRTUAL_PART_CNT (5) |
| 82 | |
| 83 | /* BinaryLayout of partition table stored in rsv area */ |
| 84 | struct ptbl_rsv { |
| 85 | char magic[4]; /* MPT */ |
| 86 | unsigned char version[12]; /* binary version */ |
| 87 | int count; /* partition count in using */ |
| 88 | int checksum; |
| 89 | struct partitions partitions[MAX_MMC_PART_NUM]; |
| 90 | }; |
| 91 | |
| 92 | /* partition table for innor usage*/ |
| 93 | struct _iptbl { |
| 94 | struct partitions *partitions; |
| 95 | int count; /* partition count in use */ |
| 96 | }; |
| 97 | |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 98 | struct aml_key_info { |
| 99 | u64 checksum; |
| 100 | u32 stamp; |
| 101 | u32 magic; |
| 102 | }; |
| 103 | |
| 104 | struct aml_key_info key_infos[2] = { {0, 0, 0}, {0, 0, 0} }; |
| 105 | |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 106 | unsigned device_boot_flag = 0xff; |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 107 | |
| 108 | #ifndef CONFIG_AML_MMC_INHERENT_PART |
| 109 | /* fixme, name should be changed as aml_inherent_ptbl */ |
| 110 | struct partitions emmc_partition_table[] = { |
| 111 | PARTITION_ELEMENT(MMC_BOOT_NAME, MMC_BOOT_DEVICE_SIZE, 0), |
| 112 | PARTITION_ELEMENT(MMC_RESERVED_NAME, MMC_RESERVED_SIZE, 0), |
| 113 | /* prior partitions, same partition name with dts*/ |
| 114 | /* partition size will be override by dts*/ |
| 115 | PARTITION_ELEMENT(MMC_CACHE_NAME, 0, 0), |
| 116 | PARTITION_ELEMENT(MMC_ENV_NAME, MMC_ENV_SIZE, 0), |
| 117 | }; |
| 118 | |
| 119 | struct virtual_partition virtual_partition_table[] = { |
| 120 | /* partition for name idx, off & size will not be used! */ |
| 121 | #if (CONFIG_PTBL_MBR) |
| 122 | VIRTUAL_PARTITION_ELEMENT(MMC_MBR_NAME, MMC_MBR_OFFSET, MMC_MBR_SIZE), |
| 123 | #endif |
| 124 | VIRTUAL_PARTITION_ELEMENT(MMC_BOOT_NAME0, 0, 0), |
| 125 | VIRTUAL_PARTITION_ELEMENT(MMC_BOOT_NAME1, 0, 0), |
| 126 | |
| 127 | /* virtual partition in reserved partition, take care off and size */ |
| 128 | #ifdef CONFIG_AML_PARTITION |
| 129 | VIRTUAL_PARTITION_ELEMENT(MMC_TABLE_NAME, MMC_TABLE_OFFSET, MMC_TABLE_SIZE), |
| 130 | #endif |
| 131 | VIRTUAL_PARTITION_ELEMENT(MMC_KEY_NAME, EMMCKEY_RESERVE_OFFSET, MMC_KEY_SIZE), |
| 132 | VIRTUAL_PARTITION_ELEMENT(MMC_PATTERN_NAME, CALI_PATTERN_OFFSET, CALI_PATTERN_SIZE), |
| 133 | VIRTUAL_PARTITION_ELEMENT(MMC_MAGIC_NAME, MAGIC_OFFSET, MAGIC_SIZE), |
| 134 | VIRTUAL_PARTITION_ELEMENT(MMC_RANDOM_NAME, RANDOM_OFFSET, RANDOM_SIZE), |
| 135 | #ifndef DTB_BIND_KERNEL |
| 136 | VIRTUAL_PARTITION_ELEMENT(MMC_DTB_NAME, DTB_OFFSET, DTB_SIZE), |
| 137 | #endif |
| 138 | VIRTUAL_PARTITION_ELEMENT(MMC_FASTBOOT_CONTEXT_NAME, |
| 139 | FASTBOOT_CONTEXT_OFFSET, FASTBOOT_CONTEXT_SIZE), |
| 140 | VIRTUAL_PARTITION_ELEMENT(MMC_DDR_PARAMETER_NAME,DDR_PARAMETER_OFFSET, DDR_PARAMETER_SIZE), |
| 141 | }; |
| 142 | |
| 143 | int get_emmc_partition_arraysize(void) |
| 144 | { |
| 145 | return ARRAY_SIZE(emmc_partition_table); |
| 146 | } |
| 147 | |
| 148 | int get_emmc_virtual_partition_arraysize(void) |
| 149 | { |
| 150 | return ARRAY_SIZE(virtual_partition_table); |
| 151 | } |
| 152 | |
| 153 | #endif |
| 154 | |
| 155 | void __attribute__((unused)) _dump_part_tbl(struct partitions *p, int count) |
| 156 | { |
| 157 | int i = 0; |
| 158 | apt_info("count %d\n", count); |
| 159 | while (i < count) { |
| 160 | printf("%02d %10s %016llx %016llx\n", i, p[i].name, p[i].offset, p[i].size); |
| 161 | i++; |
| 162 | } |
| 163 | return; |
| 164 | } |
| 165 | |
| 166 | static int _get_part_index_by_name(struct partitions *tbl, |
| 167 | int cnt, const char *name) |
| 168 | { |
| 169 | int i = 0; |
| 170 | struct partitions *part = NULL; |
| 171 | |
| 172 | while (i < cnt) { |
| 173 | part = &tbl[i]; |
| 174 | if (!strcmp(name, part->name)) { |
| 175 | apt_info("find %s @ tbl[%d]\n", name, i); |
| 176 | break; |
| 177 | } |
| 178 | i++; |
| 179 | }; |
| 180 | |
| 181 | if (i == cnt) { |
| 182 | i = -1; |
| 183 | apt_wrn("do not find match in table %s\n", name); |
| 184 | } |
| 185 | |
| 186 | if (gpt_partition) |
| 187 | i += 1; |
| 188 | |
| 189 | return i; |
| 190 | } |
| 191 | |
| 192 | static struct partitions *_find_partition_by_name(struct partitions *tbl, |
| 193 | int cnt, const char *name) |
| 194 | { |
| 195 | int i = 0; |
| 196 | struct partitions *part = NULL; |
| 197 | |
| 198 | while (i < cnt) { |
| 199 | part = &tbl[i]; |
| 200 | if (!strcmp(name, part->name)) { |
| 201 | apt_info("find %s @ tbl[%d]\n", name, i); |
| 202 | break; |
| 203 | } |
| 204 | i++; |
| 205 | }; |
| 206 | if (i == cnt) { |
| 207 | part = NULL; |
| 208 | apt_wrn("do not find match in table %s\n", name); |
| 209 | } |
| 210 | return part; |
| 211 | } |
| 212 | |
| 213 | /* fixme, must called after offset was calculated. */ |
| 214 | static ulong _get_inherent_offset(const char *name) |
| 215 | { |
| 216 | struct partitions *part; |
| 217 | |
| 218 | part = _find_partition_by_name(emmc_partition_table, |
| 219 | get_emmc_partition_arraysize(), name); |
| 220 | if (NULL == part) |
| 221 | return -1; |
| 222 | else |
| 223 | return part->offset; |
| 224 | } |
| 225 | /* partition table (Emmc Partition Table) */ |
| 226 | struct _iptbl *p_iptbl_ept = NULL; |
| 227 | |
| 228 | /* trans byte into lba manner for rsv area read/write */ |
| 229 | #ifdef CONFIG_AML_PARTITION |
| 230 | static ulong _mmc_rsv_read(struct mmc *mmc, ulong offset, ulong size, void * buffer) |
| 231 | { |
| 232 | lbaint_t _blk, _cnt; |
| 233 | if (0 == size) |
| 234 | return 0; |
| 235 | |
| 236 | _blk = offset / mmc->read_bl_len; |
| 237 | _cnt = size / mmc->read_bl_len; |
| 238 | _cnt = blk_dread(mmc_get_blk_desc(mmc), _blk, _cnt, buffer); |
| 239 | |
| 240 | return (ulong)(_cnt * mmc->read_bl_len); |
| 241 | } |
| 242 | |
| 243 | static ulong _mmc_rsv_write(struct mmc *mmc, ulong offset, ulong size, void * buffer) |
| 244 | { |
| 245 | lbaint_t _blk, _cnt; |
| 246 | if (0 == size) |
| 247 | return 0; |
| 248 | |
| 249 | _blk = offset / mmc->read_bl_len; |
| 250 | _cnt = size / mmc->read_bl_len; |
| 251 | _cnt = blk_dwrite(mmc_get_blk_desc(mmc), _blk, _cnt, buffer); |
| 252 | |
| 253 | return (ulong)(_cnt * mmc->read_bl_len); |
| 254 | } |
| 255 | #endif |
| 256 | |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 257 | int fill_ept_by_gpt(struct mmc *mmc) |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 258 | { |
| 259 | struct blk_desc *dev_desc = mmc_get_blk_desc(mmc); |
| 260 | gpt_entry *gpt_pte = NULL; |
| 261 | int i, k; |
| 262 | size_t efiname_len, dosname_len; |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 263 | struct _iptbl *ept = NULL; |
| 264 | struct partitions *partitions = NULL; |
jinbiao | 890dba6 | 2024-09-04 04:04:22 +0000 | [diff] [blame] | 265 | int ret = 0; |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 266 | |
| 267 | if (!p_iptbl_ept) |
| 268 | return 1; |
| 269 | |
| 270 | ept = p_iptbl_ept; |
| 271 | partitions = ept->partitions; |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 272 | |
| 273 | if (!dev_desc) { |
| 274 | printf("%s: Invalid Argument(s)\n", __func__); |
| 275 | return 1; |
| 276 | } |
| 277 | |
xiane | 831dec2 | 2025-02-19 17:05:00 +0900 | [diff] [blame] | 278 | #ifdef CONFIG_S7D_ODROIDC5 |
| 279 | if (resize_gpt(mmc)) { |
| 280 | ret = 1; |
| 281 | return ret; |
| 282 | } |
| 283 | #endif |
| 284 | |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 285 | ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_head, 1, dev_desc->blksz); |
| 286 | |
jinbiao | 72612e1 | 2024-10-31 20:33:52 +0800 | [diff] [blame] | 287 | if (is_gpt_valid(dev_desc, (dev_desc->lba - 1), gpt_head, &gpt_pte) != 1) { |
| 288 | ret = gpt_repair_headers(dev_desc); |
| 289 | printf("Repaired Backup GPT %s\n", ret ? "failed" : "success"); |
| 290 | if (ret) |
| 291 | return ret; |
| 292 | } |
| 293 | |
| 294 | if (is_gpt_valid(dev_desc, GPT_PRIMARY_PARTITION_TABLE_LBA, gpt_head, &gpt_pte) != 1) { |
| 295 | ret = gpt_repair_headers(dev_desc); |
| 296 | printf("Repaired Primary GPT %s\n", ret ? "failed" : "success"); |
| 297 | if (ret) |
| 298 | return ret; |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 299 | } |
| 300 | |
xiane | 831dec2 | 2025-02-19 17:05:00 +0900 | [diff] [blame] | 301 | #ifndef CONFIG_S7D_ODROIDC5 |
jinbiao | 890dba6 | 2024-09-04 04:04:22 +0000 | [diff] [blame] | 302 | if (resize_gpt(mmc)) { |
| 303 | ret = 1; |
| 304 | goto _out; |
| 305 | } |
xiane | 831dec2 | 2025-02-19 17:05:00 +0900 | [diff] [blame] | 306 | #endif |
jinbiao | 890dba6 | 2024-09-04 04:04:22 +0000 | [diff] [blame] | 307 | |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 308 | for (i = 0; i < le32_to_cpu(gpt_head->num_partition_entries); i++) { |
| 309 | if (!is_pte_valid(&gpt_pte[i])) |
| 310 | break; |
| 311 | |
| 312 | partitions[i].offset = le64_to_cpu(gpt_pte[i].starting_lba << 9ULL); |
| 313 | partitions[i].size = ((le64_to_cpu(gpt_pte[i].ending_lba) + 1) - |
| 314 | le64_to_cpu(gpt_pte[i].starting_lba)) << 9ULL; |
| 315 | /* mask flag */ |
| 316 | partitions[i].mask_flags = |
| 317 | (uint32_t)le64_to_cpu(gpt_pte[i].attributes.fields.type_guid_specific); |
| 318 | /* partition name */ |
| 319 | efiname_len = sizeof(gpt_pte[i].partition_name) |
| 320 | / sizeof(efi_char16_t); |
| 321 | dosname_len = sizeof(partitions[i].name); |
| 322 | |
| 323 | memset(partitions[i].name, 0, sizeof(partitions[i].name)); |
| 324 | for (k = 0; k < min(dosname_len, efiname_len); k++) |
| 325 | partitions[i].name[k] = (char)gpt_pte[i].partition_name[k]; |
| 326 | |
| 327 | if (strcmp(partitions[i].name, "boot_a") == 0) { |
| 328 | has_boot_slot = 1; |
| 329 | printf("set has_boot_slot = 1\n"); |
| 330 | } else if (strcmp(partitions[i].name, "boot") == 0) { |
| 331 | has_boot_slot = 0; |
| 332 | printf("set has_boot_slot = 0\n"); |
| 333 | } |
| 334 | if (strcmp(partitions[i].name, "system_a") == 0) |
| 335 | has_system_slot = 1; |
| 336 | else if (strcmp(partitions[i].name, "system") == 0) |
| 337 | has_system_slot = 0; |
| 338 | |
| 339 | if (strcmp(partitions[i].name, "super") == 0) { |
| 340 | dynamic_partition = true; |
| 341 | env_set("partition_mode", "dynamic"); |
| 342 | printf("enable dynamic_partition\n"); |
| 343 | } |
| 344 | |
| 345 | if (strncmp(partitions[i].name, "vendor_boot", 11) == 0) { |
| 346 | vendor_boot_partition = true; |
| 347 | env_set("vendor_boot_mode", "true"); |
| 348 | printf("enable vendor_boot\n"); |
| 349 | } |
| 350 | } |
| 351 | ept->count = i; |
xiane | 831dec2 | 2025-02-19 17:05:00 +0900 | [diff] [blame] | 352 | #ifndef CONFIG_S7D_ODROIDC5 |
jinbiao | 890dba6 | 2024-09-04 04:04:22 +0000 | [diff] [blame] | 353 | _out: |
xiane | 831dec2 | 2025-02-19 17:05:00 +0900 | [diff] [blame] | 354 | #endif |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 355 | free(gpt_pte); |
jinbiao | 890dba6 | 2024-09-04 04:04:22 +0000 | [diff] [blame] | 356 | return ret; |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 357 | } |
| 358 | |
| 359 | /* |
| 360 | * 1. gpt is writed on emmc |
| 361 | * parse gpt and compose ept and part_table |
| 362 | * |
| 363 | */ |
| 364 | int get_ept_from_gpt(struct mmc *mmc) |
| 365 | { |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 366 | struct partitions *ptbl; |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 367 | |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 368 | if (!p_iptbl_ept) |
| 369 | return -1; |
| 370 | |
| 371 | ptbl = p_iptbl_ept->partitions; |
| 372 | |
| 373 | if (part_table && part_table[0].offset != 0) { |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 374 | memcpy(ptbl, part_table, sizeof(struct partitions) * parts_total_num); |
| 375 | p_iptbl_ept->count = parts_total_num; |
| 376 | printf("get ept from part_table success\n"); |
| 377 | gpt_partition = true; |
| 378 | return 0; |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 379 | } else if (!fill_ept_by_gpt(mmc)) { |
| 380 | printf("get ept from gpt success\n"); |
| 381 | gpt_partition = true; |
| 382 | return 0; |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 383 | } |
| 384 | |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 385 | return -1; |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 386 | } |
| 387 | |
| 388 | static struct partitions * get_ptbl_from_dtb(struct mmc *mmc) |
| 389 | { |
| 390 | struct partitions * ptbl = NULL; |
| 391 | #ifdef CONFIG_AML_PARTITION |
| 392 | #ifndef DTB_BIND_KERNEL |
| 393 | unsigned char * buffer = NULL; |
| 394 | ulong ret, offset; |
| 395 | struct virtual_partition *vpart = aml_get_virtual_partition_by_name(MMC_DTB_NAME); |
| 396 | |
| 397 | /* try get dtb table from ddr, which may exsit while usb burning */ |
| 398 | if (NULL == get_partitions()) { |
| 399 | /* if failed, try rsv dtb area then. */ |
| 400 | buffer = malloc(vpart->size * DTB_COPIES); |
| 401 | if (NULL == buffer) { |
| 402 | apt_err("Can not alloc enough buffer\n"); |
| 403 | goto _err; |
| 404 | } |
| 405 | offset = _get_inherent_offset(MMC_RESERVED_NAME) + vpart->offset; |
| 406 | ret = _mmc_rsv_read(mmc, offset, (vpart->size * DTB_COPIES), buffer); |
| 407 | if (ret != (vpart->size * DTB_COPIES)) { |
| 408 | apt_err("Can not alloc enough buffer\n"); |
| 409 | goto _err1; |
| 410 | } |
| 411 | /* parse it */ |
| 412 | if (get_partition_from_dts(buffer)) { |
| 413 | apt_err("get partition table from dts faild\n"); |
| 414 | goto _err1; |
| 415 | } |
| 416 | /* double check part_table(glb) */ |
| 417 | if (NULL == get_partitions()) { |
| 418 | goto _err1; |
| 419 | } |
| 420 | apt_info("get partition table from dts successfully\n"); |
| 421 | |
| 422 | free(buffer); |
| 423 | buffer = NULL; |
| 424 | } |
| 425 | #endif |
| 426 | #endif |
| 427 | /* asign partition info to *ptbl */ |
| 428 | ptbl = get_partitions(); |
| 429 | return ptbl; |
| 430 | #ifdef CONFIG_AML_PARTITION |
| 431 | #ifndef DTB_BIND_KERNEL |
| 432 | _err1: |
| 433 | if (buffer) |
| 434 | free(buffer); |
| 435 | _err: |
| 436 | free (ptbl); |
| 437 | return NULL; |
| 438 | #endif |
| 439 | #endif |
| 440 | } |
| 441 | |
| 442 | static struct partitions *is_prio_partition(struct _iptbl *list, struct partitions *part) |
| 443 | { |
| 444 | int i; |
| 445 | struct partitions *plist = NULL; |
| 446 | |
| 447 | if (list->count == 0) |
| 448 | goto _out; |
| 449 | |
| 450 | apt_info("count %d\n", list->count); |
| 451 | for (i=0; i<list->count; i++) { |
| 452 | plist = &list->partitions[i]; |
| 453 | apt_info("%d: %s, %s\n", i, part->name, plist->name); |
| 454 | if (!strcmp(plist->name, part->name)) { |
| 455 | apt_info("%s is prio in list[%d]\n", part->name, i); |
| 456 | break; |
| 457 | } |
| 458 | } |
| 459 | if (i == list->count) |
| 460 | plist = NULL; |
| 461 | _out: |
| 462 | return plist; |
| 463 | } |
| 464 | |
| 465 | /* calculate offset of each partitions. |
| 466 | bottom is a flag for considering |
| 467 | */ |
| 468 | static int _calculate_offset(struct mmc *mmc, struct _iptbl *itbl, u32 bottom) |
| 469 | { |
| 470 | int i; |
| 471 | struct partitions *part; |
| 472 | ulong gap = PARTITION_RESERVED; |
| 473 | int ret = 0; |
| 474 | |
| 475 | if (itbl->count <= 0) |
| 476 | return -1; |
| 477 | part = itbl->partitions; |
| 478 | #if (CONFIG_MPT_DEBUG) |
| 479 | _dump_part_tbl(part, itbl->count); |
| 480 | #endif |
| 481 | |
| 482 | if (!strcmp(part->name, "bootloader")) { |
| 483 | part->offset = 0; |
| 484 | gap = MMC_BOOT_PARTITION_RESERVED; |
| 485 | } |
| 486 | for (i=1; i<itbl->count; i++) { |
| 487 | /**/ |
| 488 | part[i].offset = part[i-1].offset + part[i-1].size + gap; |
| 489 | /* check capacity overflow ?*/ |
| 490 | if (((part[i].offset + part[i].size) > mmc->capacity) || |
| 491 | (part[i].size == -1)) { |
| 492 | part[i].size = mmc->capacity - part[i].offset; |
| 493 | /* reserv space @ the bottom */ |
| 494 | if (bottom && (part[i].size > MMC_BOTTOM_RSV_SIZE)) { |
| 495 | apt_info("reserv %d bytes at bottom\n", MMC_BOTTOM_RSV_SIZE); |
| 496 | part[i].size -= MMC_BOTTOM_RSV_SIZE; |
| 497 | } |
| 498 | break; |
| 499 | } |
| 500 | if ((part[i].mask_flags & 0x100) != 0) |
| 501 | gap = PARTITION_MIN_RESERVED; |
| 502 | else |
| 503 | gap = PARTITION_RESERVED; |
| 504 | } |
| 505 | |
| 506 | #if (ADD_LAST_PARTITION) |
| 507 | i += 1; |
| 508 | if (i == itbl->count - 1 && bottom == 1) { |
| 509 | part[i - 1].size -= gap + part[i].size; |
| 510 | part[i].offset = part[i - 1].offset + part[i - 1].size + gap; |
| 511 | } |
| 512 | #endif |
| 513 | |
| 514 | if (i < (itbl->count - 1)) { |
| 515 | apt_err("too large partition table for current emmc, overflow!\n"); |
| 516 | ret = -1; |
| 517 | } |
| 518 | #if (CONFIG_MPT_DEBUG) |
| 519 | _dump_part_tbl(part, itbl->count); |
| 520 | #endif |
| 521 | return ret; |
| 522 | } |
| 523 | |
| 524 | static void compose_ept(struct _iptbl *dtb, struct _iptbl *inh, |
| 525 | struct _iptbl *ept) |
| 526 | { |
| 527 | int i; |
| 528 | struct partitions *partition = NULL; |
| 529 | struct partitions *dst, *src, *prio; |
| 530 | |
| 531 | /* override inh info by dts */ |
| 532 | apt_info("dtb %p, inh %p, ept %p\n", dtb, inh, ept); |
| 533 | apt_info("ept->partitions %p\n", ept->partitions); |
| 534 | partition = ept->partitions; |
| 535 | apt_info("partition %p\n", partition); |
| 536 | for (i=0; i<MAX_PART_COUNT; i++) { |
| 537 | apt_info("i %d, ept->count %d\n", i, ept->count); |
| 538 | dst = &partition[ept->count]; |
| 539 | src = (i < inh->count) ? &inh->partitions[i]:&dtb->partitions[i-inh->count]; |
| 540 | |
| 541 | prio = is_prio_partition(ept, src); |
| 542 | if (prio) { |
| 543 | /* override prio partition by new */ |
| 544 | apt_info("override %d: %s\n", ept->count, prio->name); |
| 545 | //*prio = *src; |
| 546 | dst = prio; |
| 547 | } else |
| 548 | ept->count ++; |
| 549 | *dst = *src; |
| 550 | if (-1 == src->size) { |
| 551 | apt_info("break! %s\n", src->name); |
| 552 | break; |
| 553 | } |
| 554 | } |
| 555 | |
| 556 | #if (ADD_LAST_PARTITION) |
| 557 | i += 1; |
| 558 | dst = &partition[ept->count]; |
| 559 | src = &dtb->partitions[i - inh->count]; |
| 560 | ept->count += 1; |
| 561 | *dst = *src; |
| 562 | #endif |
| 563 | |
| 564 | return; |
| 565 | } |
| 566 | #ifdef CONFIG_AML_PARTITION |
| 567 | static int _get_version(unsigned char * s) |
| 568 | { |
| 569 | int version = 0; |
| 570 | if (!strncmp((char *)s, MMC_MPT_VERSION_2, sizeof(MMC_MPT_VERSION_2))) |
| 571 | version = 2; |
| 572 | else if (!strncmp((char *)s, MMC_MPT_VERSION_1, sizeof(MMC_MPT_VERSION_1))) |
| 573 | version = 1; |
| 574 | else |
| 575 | version = -1; |
| 576 | |
| 577 | return version; |
| 578 | } |
| 579 | |
| 580 | /* calc checksum. |
| 581 | there's a bug on v1 which did not calculate all the partitions. |
| 582 | */ |
| 583 | static int _calc_iptbl_check_v2(struct partitions * part, int count) |
| 584 | { |
| 585 | int ret = 0, i; |
| 586 | int size = count * sizeof(struct partitions) >> 2; |
| 587 | int *buf = (int *)part; |
| 588 | |
| 589 | for (i = 0; i < size; i++) |
| 590 | ret +=buf[i]; |
| 591 | |
| 592 | return ret; |
| 593 | } |
| 594 | |
| 595 | static int _calc_iptbl_check_v1(struct partitions *part, int count) |
| 596 | { |
| 597 | int i, j; |
| 598 | u32 checksum = 0, *p; |
| 599 | |
| 600 | for (i = 0; i < count; i++) { |
| 601 | p = (u32*)part; |
| 602 | /*BUG here, do not fix it!!*/ |
| 603 | for (j = sizeof(struct partitions)/sizeof(checksum); j > 0; j--) { |
| 604 | checksum += *p; |
| 605 | p++; |
| 606 | } |
| 607 | } |
| 608 | |
| 609 | return checksum; |
| 610 | } |
| 611 | |
| 612 | static int _calc_iptbl_check(struct partitions * part, int count, int version) |
| 613 | { |
| 614 | if (1 == version) |
| 615 | return _calc_iptbl_check_v1(part, count); |
| 616 | else if (2 == version) |
| 617 | return _calc_iptbl_check_v2(part, count); |
| 618 | else |
| 619 | return -1; |
| 620 | } |
| 621 | |
| 622 | /* ept is malloced out side */ |
| 623 | static int _cpy_iptbl(struct _iptbl * dst, struct _iptbl * src) |
| 624 | { |
| 625 | int ret = 0; |
| 626 | if (!dst || !src) { |
| 627 | apt_err("invalid arg %s\n", !dst ? "dst" : "src"); |
| 628 | ret = -1; |
| 629 | goto _out; |
| 630 | } |
| 631 | if (!dst->partitions || !src->partitions) { |
| 632 | apt_err("invalid arg %s->partitions\n", !dst ? "dst" : "src"); |
| 633 | ret = -2; |
| 634 | goto _out; |
| 635 | } |
| 636 | |
| 637 | dst->count = src->count; |
| 638 | memcpy(dst->partitions, src->partitions, sizeof(struct partitions) * src->count); |
| 639 | |
| 640 | _out: |
| 641 | return ret; |
| 642 | } |
| 643 | |
| 644 | /* get ptbl from rsv area from emmc */ |
| 645 | static int get_ptbl_rsv(struct mmc *mmc, struct _iptbl *rsv) |
| 646 | { |
| 647 | struct ptbl_rsv * ptbl_rsv = NULL; |
| 648 | uchar * buffer = NULL; |
| 649 | ulong size, offset; |
| 650 | int checksum, version, ret = 0; |
| 651 | struct virtual_partition *vpart = aml_get_virtual_partition_by_name(MMC_TABLE_NAME); |
| 652 | |
| 653 | size = (sizeof(struct ptbl_rsv) + 511) / 512 * 512; |
| 654 | if (vpart->size < size) { |
| 655 | apt_err("too much partitions\n"); |
| 656 | ret = -1; |
| 657 | goto _out; |
| 658 | } |
| 659 | buffer = malloc(size); |
| 660 | if (NULL == buffer) { |
| 661 | apt_err("no enough memory for ptbl rsv\n"); |
| 662 | ret = -2; |
| 663 | goto _out; |
| 664 | } |
| 665 | /* read it from emmc. */ |
| 666 | offset = _get_inherent_offset(MMC_RESERVED_NAME) + vpart->offset; |
| 667 | if (size != _mmc_rsv_read(mmc, offset, size, buffer)) { |
| 668 | apt_err("read ptbl from rsv failed\n"); |
| 669 | ret = -3; |
| 670 | goto _out; |
| 671 | } |
| 672 | |
| 673 | ptbl_rsv = (struct ptbl_rsv *) buffer; |
| 674 | apt_info("magic %3.3s, version %8.8s, checksum %x\n", ptbl_rsv->magic, |
| 675 | ptbl_rsv->version, ptbl_rsv->checksum); |
| 676 | /* fixme, check magic ?*/ |
| 677 | if (strncmp(ptbl_rsv->magic, MMC_PARTITIONS_MAGIC, sizeof(MMC_PARTITIONS_MAGIC))) { |
| 678 | apt_err("magic faild %s, %3.3s\n", MMC_PARTITIONS_MAGIC, ptbl_rsv->magic); |
| 679 | ret = -4; |
| 680 | goto _out; |
| 681 | } |
| 682 | /* check version*/ |
| 683 | version = _get_version(ptbl_rsv->version); |
| 684 | if (version < 0) { |
| 685 | apt_err("version faild %s, %3.3s\n", MMC_PARTITIONS_MAGIC, ptbl_rsv->magic); |
| 686 | ret = -5; |
| 687 | goto _out; |
| 688 | } |
| 689 | if (ptbl_rsv->count > MAX_MMC_PART_NUM) { |
| 690 | apt_err("invalid partition count %d\n", ptbl_rsv->count); |
| 691 | ret = -1; |
| 692 | goto _out; |
| 693 | } |
| 694 | /* check sum */ |
| 695 | checksum = _calc_iptbl_check(ptbl_rsv->partitions, ptbl_rsv->count, version); |
| 696 | if (checksum != ptbl_rsv->checksum) { |
| 697 | apt_err("checksum faild 0x%x, 0x%x\n", ptbl_rsv->checksum, checksum); |
| 698 | ret = -6; |
| 699 | goto _out; |
| 700 | } |
| 701 | |
| 702 | rsv->count = ptbl_rsv->count; |
| 703 | memcpy(rsv->partitions, ptbl_rsv->partitions, rsv->count * sizeof(struct partitions)); |
| 704 | |
| 705 | _out: |
| 706 | if (buffer) |
| 707 | free (buffer); |
| 708 | return ret; |
| 709 | } |
| 710 | |
| 711 | /* update partition tables from src |
| 712 | if success, return 0; |
| 713 | else, return 1 |
| 714 | */ |
| 715 | static int update_ptbl_rsv(struct mmc *mmc, struct _iptbl *src) |
| 716 | { |
| 717 | struct ptbl_rsv *ptbl_rsv = NULL; |
| 718 | uchar *buffer; |
| 719 | ulong size, offset; |
| 720 | int ret = 0, version; |
| 721 | struct virtual_partition *vpart = aml_get_virtual_partition_by_name(MMC_TABLE_NAME); |
| 722 | |
| 723 | size = (sizeof(struct ptbl_rsv) + 511) / 512 * 512; |
| 724 | buffer = malloc(size); |
| 725 | if (NULL == buffer) { |
| 726 | apt_err("no enough memory for ptbl rsv\n"); |
| 727 | return -1; |
| 728 | } |
| 729 | memset(buffer, 0 , size); |
| 730 | /* version, magic and checksum */ |
| 731 | ptbl_rsv = (struct ptbl_rsv *) buffer; |
| 732 | strcpy((char *)ptbl_rsv->version, MMC_MPT_VERSION); |
| 733 | strcpy(ptbl_rsv->magic, MMC_PARTITIONS_MAGIC); |
| 734 | if (src->count > MAX_MMC_PART_NUM) { |
| 735 | apt_err("too much partitions\n"); |
| 736 | ret = -1; |
| 737 | goto _err; |
| 738 | } |
| 739 | ptbl_rsv->count = src->count; |
| 740 | memcpy(ptbl_rsv->partitions, src->partitions, |
| 741 | sizeof(struct partitions)*src->count); |
| 742 | version = _get_version(ptbl_rsv->version); |
| 743 | ptbl_rsv->checksum = _calc_iptbl_check(src->partitions, src->count, version); |
| 744 | /* write it to emmc. */ |
| 745 | apt_info("magic %3.3s, version %8.8s, checksum %x\n", ptbl_rsv->magic, ptbl_rsv->version, ptbl_rsv->checksum); |
| 746 | offset = _get_inherent_offset(MMC_RESERVED_NAME) + vpart->offset; |
| 747 | if (_mmc_rsv_write(mmc, offset, size, buffer) != size) { |
| 748 | apt_err("write ptbl to rsv failed\n"); |
| 749 | ret = -1; |
| 750 | goto _err; |
| 751 | } |
| 752 | _err: |
| 753 | free (buffer); |
| 754 | return ret; |
| 755 | } |
| 756 | |
| 757 | static void _free_iptbl(struct _iptbl *iptbl) |
| 758 | { |
| 759 | if (iptbl && iptbl->partitions) { |
| 760 | free(iptbl->partitions); |
| 761 | iptbl->partitions = NULL; |
| 762 | } |
| 763 | if (iptbl) { |
| 764 | free(iptbl); |
| 765 | iptbl = NULL; |
| 766 | } |
| 767 | |
| 768 | return; |
| 769 | } |
| 770 | |
| 771 | #endif |
| 772 | static int _cmp_partition(struct partitions *dst, struct partitions *src, int override) |
| 773 | { |
| 774 | int ret = 0; |
| 775 | #if (CONFIG_CMP_PARTNAME) |
| 776 | if (strncmp(dst->name, src->name, sizeof(src->name))) |
| 777 | ret = -2; |
| 778 | #endif |
| 779 | if (dst->size != src->size) |
| 780 | ret = -3; |
| 781 | if (dst->offset != src->offset) |
| 782 | ret = -4; |
| 783 | #if (CONFIG_CMP_PARTMASK) |
| 784 | if (dst->mask_flags != src->mask_flags) |
| 785 | ret = -5; |
| 786 | #endif |
| 787 | |
| 788 | if (ret && (!override)) { |
| 789 | apt_err("name: %10.10s<->%10.10s\n", dst->name, src->name); |
| 790 | apt_err("size: %llx<->%llx\n", dst->size, src->size); |
| 791 | apt_err("offset: %llx<->%llx\n", dst->offset, src->offset); |
| 792 | apt_err("mask: %08x<->%08x\n", dst->mask_flags, src->mask_flags); |
| 793 | } |
| 794 | |
| 795 | if (override) { |
| 796 | *dst = *src; |
| 797 | ret = 0; |
| 798 | } |
| 799 | |
| 800 | return ret; |
| 801 | } |
| 802 | |
| 803 | /* compare partition tables |
| 804 | if same, do nothing then return 0; |
| 805 | else, print the diff ones and return -x |
| 806 | -1:count |
| 807 | -2:name |
| 808 | -3:size |
| 809 | -4:offset |
| 810 | */ |
| 811 | static int _cmp_iptbl(struct _iptbl * dst, struct _iptbl * src) |
| 812 | { |
| 813 | int ret = 0, i = 0; |
| 814 | struct partitions *dstp; |
| 815 | struct partitions *srcp; |
| 816 | |
| 817 | if (dst->count != src->count) { |
| 818 | apt_err("partition count is not same %d:%d\n", dst->count, src->count); |
| 819 | ret = -1; |
| 820 | goto _out; |
| 821 | } |
| 822 | |
| 823 | while (i < dst->count) { |
| 824 | dstp = &dst->partitions[i]; |
| 825 | srcp = &src->partitions[i]; |
| 826 | ret = _cmp_partition(dstp, srcp, 0); |
| 827 | if (ret) { |
| 828 | env_set("part_changed", "1"); |
| 829 | apt_err("partition %d has changed\n", i); |
| 830 | break; |
| 831 | } |
| 832 | i++; |
| 833 | } |
| 834 | |
| 835 | _out: |
| 836 | return ret; |
| 837 | } |
| 838 | |
| 839 | /* iptbl buffer opt. */ |
| 840 | static int _zalloc_iptbl(struct _iptbl **_iptbl) |
| 841 | { |
| 842 | int ret = 0; |
| 843 | struct _iptbl *iptbl; |
| 844 | struct partitions *partition = NULL; |
| 845 | |
| 846 | partition = malloc(sizeof(struct partitions)*MAX_PART_COUNT); |
| 847 | if (NULL == partition) { |
| 848 | ret = -1; |
| 849 | apt_err("no enough memory for partitions\n"); |
| 850 | goto _out; |
| 851 | } |
| 852 | |
| 853 | iptbl = malloc(sizeof(struct _iptbl)); |
| 854 | if (NULL == iptbl) { |
| 855 | ret = -2; |
| 856 | apt_err("no enough memory for ept\n"); |
| 857 | free(partition); |
| 858 | goto _out; |
| 859 | } |
| 860 | memset(partition, 0, sizeof(struct partitions)*MAX_PART_COUNT); |
| 861 | memset(iptbl, 0, sizeof(struct _iptbl)); |
| 862 | |
| 863 | iptbl->partitions = partition; |
| 864 | apt_info("iptbl %p, partition %p, iptbl->partitions %p\n", |
| 865 | iptbl, partition, iptbl->partitions); |
| 866 | *_iptbl = iptbl; |
| 867 | _out: |
| 868 | return ret; |
| 869 | } |
| 870 | |
| 871 | |
| 872 | /* |
| 873 | * fixme, need check space size later. |
| 874 | */ |
| 875 | |
| 876 | static inline int le32_to_int(unsigned char *le32) |
| 877 | { |
| 878 | return ((le32[3] << 24) + |
| 879 | (le32[2] << 16) + |
| 880 | (le32[1] << 8) + |
| 881 | le32[0] |
| 882 | ); |
| 883 | } |
| 884 | |
| 885 | static int test_block_type(unsigned char *buffer) |
| 886 | { |
| 887 | int slot; |
| 888 | struct dos_partition *p; |
| 889 | |
| 890 | if ((buffer[DOS_PART_MAGIC_OFFSET + 0] != 0x55) || |
| 891 | (buffer[DOS_PART_MAGIC_OFFSET + 1] != 0xaa) ) { |
| 892 | return (-1); |
| 893 | } /* no DOS Signature at all */ |
| 894 | p = (struct dos_partition *)&buffer[DOS_PART_TBL_OFFSET]; |
| 895 | for (slot = 0; slot < 3; slot++) { |
| 896 | if (p->boot_ind != 0 && p->boot_ind != 0x80) { |
| 897 | if (!slot && |
| 898 | (strncmp((char *)&buffer[DOS_PBR_FSTYPE_OFFSET], |
| 899 | "FAT", 3) == 0 || |
| 900 | strncmp((char *)&buffer[DOS_PBR32_FSTYPE_OFFSET], |
| 901 | "FAT32", 5) == 0)) { |
| 902 | return DOS_PBR; /* is PBR */ |
| 903 | } else { |
| 904 | return -1; |
| 905 | } |
| 906 | } |
| 907 | } |
| 908 | return DOS_MBR; /* Is MBR */ |
| 909 | } |
| 910 | |
| 911 | //DOS_MBR OR DOS_PBR |
| 912 | /* |
| 913 | * re-constructed iptbl from mbr&ebr infos. |
| 914 | * memory for iptbl_mbr must be alloced outside. |
| 915 | * |
| 916 | */ |
| 917 | static void _construct_ptbl_by_mbr(struct mmc *mmc, struct _iptbl *iptbl_mbr) |
| 918 | { |
| 919 | int ret,i; |
| 920 | int flag = 0; |
| 921 | lbaint_t read_offset = 0; |
| 922 | int part_num = 0; |
| 923 | int primary_num = 0; |
| 924 | uint64_t logic_start = 0; |
| 925 | uint64_t extended_start = 0; |
| 926 | struct dos_partition *pt; |
| 927 | struct partitions *partitions = iptbl_mbr->partitions; |
| 928 | |
| 929 | apt_info("aml MBR&EBR debug...\n"); |
| 930 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, 512); |
| 931 | for (;;) { |
| 932 | apt_info("**%02d: read_offset %016llx\n", part_num, (uint64_t)read_offset<<9); |
| 933 | ret = blk_dread(mmc_get_blk_desc(mmc), read_offset, 1, buffer); |
| 934 | if (read_offset == 0) |
| 935 | flag = 1; |
| 936 | else |
| 937 | flag = 0; |
| 938 | /* debug code */ |
| 939 | // print_buffer(0,buffer,1,512,16); |
| 940 | if (ret != 1) { |
| 941 | apt_err("ret %d fail to read current ebr&mbr from emmc! \n", ret); |
| 942 | break; |
| 943 | } |
| 944 | ret = test_block_type(buffer); |
| 945 | if (ret != 0 && ret != 1) { |
| 946 | apt_err("invalid magic value: 0x%02x%02x\n", |
| 947 | buffer[DOS_PART_MAGIC_OFFSET], buffer[DOS_PART_MAGIC_OFFSET + 1]); |
| 948 | break; |
| 949 | } |
| 950 | |
| 951 | pt = (dos_partition_t *)(&buffer[0] + DOS_PART_TBL_OFFSET); |
| 952 | for (i = 0; i < 4; i++, pt++) { |
| 953 | if ( (pt->boot_ind == 0x00 || pt->boot_ind == 0x80) && pt->sys_ind == 0x83 ) { |
| 954 | //emmc_partition[part_num]->name = NULL; |
| 955 | partitions[part_num].offset = ((uint64_t)(le32_to_int(pt->start4)+read_offset) << 9ULL); |
| 956 | partitions[part_num].size = (uint64_t)le32_to_int(pt->size4) << 9ULL; |
| 957 | partitions[part_num].mask_flags = pt->sys_ind; |
| 958 | |
| 959 | apt_info("--partition[%d]: %016llx, %016llx, 0x%08x \n", |
| 960 | part_num, partitions[part_num].offset, |
| 961 | partitions[part_num].size, |
| 962 | le32_to_int(pt->size4)); |
| 963 | part_num++; |
| 964 | if ( flag ) |
| 965 | primary_num++; |
| 966 | }else{/* get the next extended partition info */ |
| 967 | if ( pt->boot_ind == 0x00 && pt->sys_ind == 0x05) { |
| 968 | logic_start = (uint64_t)le32_to_int (pt->start4); |
| 969 | //logic_size = (uint64_t)le32_to_int (pt->size4); |
| 970 | } |
| 971 | } |
| 972 | } |
| 973 | /* mbr & ebr debug infos */ |
| 974 | apt_info("******%02d: read_offset=%016llx, logic_start=%016llx\n", |
| 975 | part_num,(uint64_t)read_offset*512ULL,logic_start*512ULL); |
| 976 | |
| 977 | if (part_num == primary_num) { |
| 978 | extended_start = logic_start; |
| 979 | read_offset = extended_start; |
| 980 | }else |
| 981 | read_offset = extended_start + logic_start; |
| 982 | if (logic_start == 0) |
| 983 | break; |
| 984 | logic_start = 0; |
| 985 | |
| 986 | } |
| 987 | iptbl_mbr->count = part_num; |
| 988 | apt_info("iptbl_mbr->count = %d\n", iptbl_mbr->count); |
| 989 | |
| 990 | return; |
| 991 | } |
| 992 | |
| 993 | static int __attribute__((unused)) _check_ptbl_mbr(struct mmc *mmc, struct _iptbl *ept) |
| 994 | { |
| 995 | int ret = 0; |
| 996 | /* re-constructed by mbr */ |
| 997 | struct _iptbl *iptbl_mbr = NULL; |
| 998 | struct partitions *partitions = NULL; |
| 999 | |
| 1000 | iptbl_mbr = malloc(sizeof(struct _iptbl)); |
| 1001 | if (NULL == iptbl_mbr) { |
| 1002 | apt_err("no enough memory for iptbl_mbr\n"); |
| 1003 | return -1; |
| 1004 | } |
| 1005 | memset(iptbl_mbr , 0, sizeof(struct _iptbl)); |
| 1006 | partitions = (struct partitions *)malloc(sizeof(struct partitions) * DOS_PARTITION_COUNT); |
| 1007 | if (NULL == partitions) { |
| 1008 | apt_err("no enough memory for partitions\n"); |
| 1009 | free(iptbl_mbr); |
| 1010 | return -1; |
| 1011 | } |
| 1012 | memset(partitions, 0, sizeof(struct partitions) * DOS_PARTITION_COUNT); |
| 1013 | iptbl_mbr->partitions = partitions; |
| 1014 | |
| 1015 | _construct_ptbl_by_mbr(mmc, iptbl_mbr); |
| 1016 | |
| 1017 | ret = _cmp_iptbl(iptbl_mbr, ept); |
| 1018 | |
| 1019 | if (partitions) |
| 1020 | free(partitions); |
| 1021 | if (iptbl_mbr) |
| 1022 | free(iptbl_mbr); |
| 1023 | |
| 1024 | apt_wrn("MBR is %s\n", ret?"Improper!":"OK!"); |
| 1025 | return ret; |
| 1026 | } |
| 1027 | |
| 1028 | /* construct a partition table entry of EBR */ |
| 1029 | static int _construct_ebr_1st_entry(struct _iptbl *p_iptbl,struct dos_partition *p_ebr, int part_num ) |
| 1030 | { |
| 1031 | uint64_t start_offset = 0; |
| 1032 | uint64_t logic_size = 0; |
| 1033 | |
| 1034 | p_ebr->boot_ind = 0x00; |
| 1035 | p_ebr->sys_ind = 0x83; |
| 1036 | /* Starting = relative offset between this EBR sector and the first sector of the logical partition |
| 1037 | * the gap between two partition is a fixed value of PARTITION_RESERVED ,otherwise the emmc partition |
| 1038 | * is different with reserved */ |
| 1039 | start_offset = PARTITION_RESERVED >> 9; |
| 1040 | /* Number of sectors = total count of sectors for this logical partition */ |
| 1041 | // logic_size = (p_iptbl->partitions[part_num].size) >> 9ULL; |
| 1042 | logic_size = lldiv(p_iptbl->partitions[part_num].size, 512); |
| 1043 | apt_info("*** %02d: size 0x%016llx, logic_size 0x%016llx\n", part_num, p_iptbl->partitions[part_num].size, logic_size); |
| 1044 | memcpy((unsigned char *)(p_ebr->start4), &start_offset, 4); |
| 1045 | memcpy((unsigned char *)(p_ebr->size4), &logic_size, 4); |
| 1046 | return 0; |
| 1047 | } |
| 1048 | |
| 1049 | static int _construct_ebr_2nd_entry(struct _iptbl *p_iptbl, struct dos_partition *p_ebr, int part_num) |
| 1050 | { |
| 1051 | uint64_t start_offset = 0; |
| 1052 | uint64_t logic_size = 0; |
| 1053 | |
| 1054 | if ((part_num+2) > p_iptbl->count) |
| 1055 | return 0; |
| 1056 | |
| 1057 | p_ebr->boot_ind = 0x00; |
| 1058 | p_ebr->sys_ind = 0x05; |
| 1059 | /* Starting sector = LBA address of next EBR minus LBA address of extended partition's first EBR */ |
| 1060 | start_offset = (p_iptbl->partitions[part_num+1].offset - PARTITION_RESERVED - |
| 1061 | (p_iptbl->partitions[3].offset - PARTITION_RESERVED)) >> 9; |
| 1062 | /* total count of sectors for next logical partition, but count starts from the next EBR sector */ |
| 1063 | logic_size = (p_iptbl->partitions[part_num+1].size + PARTITION_RESERVED) >> 9; |
| 1064 | |
| 1065 | memcpy((unsigned char *)(p_ebr->start4), &start_offset, 4); |
| 1066 | memcpy((unsigned char *)(p_ebr->size4), &logic_size, 4); |
| 1067 | |
| 1068 | return 0; |
| 1069 | } |
| 1070 | |
| 1071 | /* construct a partition table entry of MBR OR EBR */ |
| 1072 | static int _construct_mbr_entry(struct _iptbl *p_iptbl, struct dos_partition *p_entry, int part_num) |
| 1073 | { |
| 1074 | uint64_t start_offset = 0; |
| 1075 | uint64_t primary_size = 0; |
| 1076 | uint64_t extended_size = 0; |
| 1077 | int i; |
| 1078 | /* the entry is active or not */ |
| 1079 | p_entry->boot_ind = 0x00; |
| 1080 | |
| 1081 | if (part_num == 3) {/* the logic partition entry */ |
| 1082 | /* the entry type */ |
| 1083 | p_entry->sys_ind = 0x05; |
| 1084 | start_offset = (p_iptbl->partitions[3].offset - PARTITION_RESERVED) >> 9; |
| 1085 | for ( i = 3;i< p_iptbl->count;i++) |
| 1086 | extended_size = p_iptbl->partitions[i].size >> 9; |
| 1087 | |
| 1088 | memcpy((unsigned char *)p_entry->start4, &start_offset, 4); |
| 1089 | memcpy((unsigned char *)p_entry->size4, &extended_size, 4); |
| 1090 | }else{/* the primary partition entry */ |
| 1091 | /* the entry type */ |
| 1092 | p_entry->sys_ind = 0x83; |
| 1093 | start_offset = (p_iptbl->partitions[part_num].offset) >> 9; |
| 1094 | primary_size = (p_iptbl->partitions[part_num].size)>>9; |
| 1095 | memcpy((unsigned char *)p_entry->start4, &start_offset, 4); |
| 1096 | memcpy((unsigned char *)p_entry->size4, &primary_size, 4); |
| 1097 | } |
| 1098 | |
| 1099 | return 0; |
| 1100 | } |
| 1101 | |
| 1102 | static int _construct_mbr_or_ebr(struct _iptbl *p_iptbl, struct dos_mbr_or_ebr *p_br, |
| 1103 | int part_num, int type) |
| 1104 | { |
| 1105 | int i; |
| 1106 | |
| 1107 | if (DOS_MBR == type) { |
| 1108 | /* construct a integral MBR */ |
| 1109 | for (i = 0; i<4 ; i++) |
| 1110 | _construct_mbr_entry(p_iptbl, &p_br->part_entry[i], i); |
| 1111 | |
| 1112 | }else{ |
| 1113 | /* construct a integral EBR */ |
| 1114 | p_br->bootstart[DOS_PBR32_FSTYPE_OFFSET] = 'F'; |
| 1115 | p_br->bootstart[DOS_PBR32_FSTYPE_OFFSET + 1] = 'A'; |
| 1116 | p_br->bootstart[DOS_PBR32_FSTYPE_OFFSET + 2] = 'T'; |
| 1117 | p_br->bootstart[DOS_PBR32_FSTYPE_OFFSET + 3] = '3'; |
| 1118 | p_br->bootstart[DOS_PBR32_FSTYPE_OFFSET + 4] = '2'; |
| 1119 | |
| 1120 | _construct_ebr_1st_entry(p_iptbl, &p_br->part_entry[0], part_num); |
| 1121 | _construct_ebr_2nd_entry(p_iptbl, &p_br->part_entry[1], part_num); |
| 1122 | } |
| 1123 | |
| 1124 | p_br->magic[0] = 0x55 ; |
| 1125 | p_br->magic[1] = 0xAA ; |
| 1126 | return 0; |
| 1127 | } |
| 1128 | |
| 1129 | static __attribute__((unused)) int _update_ptbl_mbr(struct mmc *mmc, struct _iptbl *p_iptbl) |
| 1130 | { |
| 1131 | int ret = 0, start_blk = 0, blk_cnt = 1; |
| 1132 | unsigned char *src; |
| 1133 | int i; |
| 1134 | struct dos_mbr_or_ebr *mbr; |
| 1135 | struct _iptbl *ptb ; |
| 1136 | |
| 1137 | ptb = p_iptbl; |
| 1138 | mbr = malloc(sizeof(struct dos_mbr_or_ebr)); |
| 1139 | |
| 1140 | for (i=0;i<ptb->count;i++) { |
| 1141 | apt_info("-update MBR-: partition[%02d]: %016llx - %016llx\n",i, |
| 1142 | ptb->partitions[i].offset, ptb->partitions[i].size); |
| 1143 | } |
| 1144 | |
| 1145 | for (i = 0;i < ptb->count;) { |
| 1146 | memset(mbr ,0 ,sizeof(struct dos_mbr_or_ebr)); |
| 1147 | if (i == 0) { |
| 1148 | _construct_mbr_or_ebr(ptb, mbr, i, 0); |
| 1149 | i = i+2; |
| 1150 | } else |
| 1151 | _construct_mbr_or_ebr(ptb, mbr, i, 2); |
| 1152 | src = (unsigned char *)mbr; |
| 1153 | apt_info("--%s(): %02d(%02d), off %x\n", __func__, i, ptb->count, start_blk); |
| 1154 | ret = blk_dwrite(mmc_get_blk_desc(mmc), start_blk, blk_cnt, src); |
| 1155 | i++; |
| 1156 | if (ret != blk_cnt) { |
| 1157 | apt_err("write current MBR failed! ret: %d != cnt: %d\n",ret,blk_cnt); |
| 1158 | break; |
| 1159 | } |
| 1160 | start_blk = (ptb->partitions[i].offset - PARTITION_RESERVED) >> 9; |
| 1161 | } |
| 1162 | free(mbr); |
| 1163 | |
| 1164 | ret = !ret; |
| 1165 | if (ret) |
| 1166 | apt_err("write MBR failed!\n"); |
| 1167 | |
| 1168 | return ret; |
| 1169 | } |
| 1170 | |
Xindong Xu | 15e83fa | 2024-03-15 08:56:00 +0800 | [diff] [blame] | 1171 | int check_gpt_change(struct blk_desc *dev_desc, void *buf) |
| 1172 | { |
| 1173 | int i, k; |
| 1174 | int m = 0; |
| 1175 | gpt_header *gpt_h; |
| 1176 | gpt_entry *gpt_e; |
| 1177 | u32 calc_crc32; |
| 1178 | u32 entries_num; |
| 1179 | size_t efiname_len; |
| 1180 | int ret = 0; |
| 1181 | bool alternate_flag = false; |
| 1182 | int j = 0; |
| 1183 | int recovery_offset_old = 0, recovery_offset_new = 0; |
| 1184 | int tee_offset_old = 0, tee_offset_new = 0; |
| 1185 | int oem_offset_old = 0, oem_offset_new = 0; |
| 1186 | int data_offset_old = 0, data_offset_new = 0; |
| 1187 | int data_size_old = 0, data_size_new = 0; |
| 1188 | int cache_offset_old = 0, cache_offset_new = 0; |
| 1189 | int cache_size_old = 0, cache_size_new = 0; |
| 1190 | int tee_size_old = 0, tee_size_new = 0; |
| 1191 | int oem_size_old = 0, oem_size_new = 0; |
| 1192 | int metadata_offset_old = 0, metadata_offset_new = 0; |
| 1193 | int metadata_size_old = 0, metadata_size_new = 0; |
| 1194 | |
| 1195 | struct partitions *partitions = p_iptbl_ept->partitions; |
| 1196 | int parts_num = p_iptbl_ept->count; |
| 1197 | uint64_t offset; |
| 1198 | uint64_t size; |
| 1199 | uint32_t mask_flags; |
| 1200 | char name[PARTNAME_SZ]; |
| 1201 | char *update_dts_gpt = NULL; |
| 1202 | #if (ADD_LAST_PARTITION) |
| 1203 | ulong gap = GPT_GAP; |
| 1204 | #endif |
| 1205 | |
| 1206 | update_dts_gpt = env_get("update_dts_gpt"); |
| 1207 | |
| 1208 | if (is_valid_gpt_buf(dev_desc, buf)) |
| 1209 | return -1; |
| 1210 | |
| 1211 | gpt_h = buf + (GPT_PRIMARY_PARTITION_TABLE_LBA * |
| 1212 | dev_desc->blksz); |
| 1213 | |
| 1214 | /* determine start of GPT Entries in the buffer */ |
| 1215 | gpt_e = buf + (le64_to_cpu(gpt_h->partition_entry_lba) * |
| 1216 | dev_desc->blksz); |
| 1217 | entries_num = le32_to_cpu(gpt_h->num_partition_entries); |
| 1218 | |
| 1219 | if (le64_to_cpu(gpt_h->alternate_lba) > dev_desc->lba || |
| 1220 | le64_to_cpu(gpt_h->alternate_lba) == 0) { |
| 1221 | printf("GPT: alternate_lba: %llX, " LBAF ", reset it\n", |
| 1222 | le64_to_cpu(gpt_h->alternate_lba), dev_desc->lba); |
| 1223 | gpt_h->alternate_lba = cpu_to_le64(dev_desc->lba - 1); |
| 1224 | alternate_flag = true; |
| 1225 | } |
| 1226 | |
| 1227 | if (le64_to_cpu(gpt_h->last_usable_lba) > dev_desc->lba) { |
| 1228 | printf("GPT: last_usable_lba incorrect: %llX > " LBAF ", reset it\n", |
| 1229 | le64_to_cpu(gpt_h->last_usable_lba), dev_desc->lba); |
| 1230 | if (alternate_flag) |
| 1231 | gpt_h->last_usable_lba = cpu_to_le64(dev_desc->lba - 34); |
| 1232 | else |
| 1233 | gpt_h->last_usable_lba = cpu_to_le64(dev_desc->lba - 1); |
| 1234 | } |
| 1235 | |
| 1236 | for (i = 0; i < entries_num; i++) { |
| 1237 | #if (ADD_LAST_PARTITION) |
| 1238 | if (i == entries_num - 1) { |
| 1239 | gpt_e[i - 1].ending_lba -= gpt_e[i].ending_lba + le64_to_cpu(gap) + 1; |
| 1240 | gpt_e[i].starting_lba = gpt_e[i - 1].ending_lba + le64_to_cpu(gap) + 1; |
| 1241 | gpt_e[i].ending_lba = gpt_h->last_usable_lba; |
| 1242 | } |
| 1243 | |
| 1244 | #endif |
| 1245 | if (le64_to_cpu(gpt_e[i].starting_lba) > gpt_h->last_usable_lba) { |
| 1246 | printf("gpt_e[%d].starting_lba: %llX > %llX, writing failed\n", i, |
| 1247 | le64_to_cpu(gpt_e[i].starting_lba), |
| 1248 | le64_to_cpu(gpt_h->last_usable_lba)); |
| 1249 | return 1; |
| 1250 | } |
| 1251 | if (le64_to_cpu(gpt_e[i].ending_lba) > gpt_h->last_usable_lba) { |
| 1252 | printf("gpt_e[%d].ending_lba: %llX > %llX, reset it\n", |
| 1253 | i, le64_to_cpu(gpt_e[i].ending_lba), le64_to_cpu(gpt_h->last_usable_lba)); |
| 1254 | if (alternate_flag) |
| 1255 | gpt_e[i].ending_lba = ((gpt_h->last_usable_lba >> 12) << 12) - 1; |
| 1256 | else |
| 1257 | gpt_e[i].ending_lba = gpt_h->last_usable_lba; |
| 1258 | printf("gpt_e[%d].ending_lba: %llX\n", i, gpt_e[i].ending_lba); |
| 1259 | } |
| 1260 | } |
| 1261 | |
| 1262 | calc_crc32 = crc32(0, (const unsigned char *)gpt_e, |
| 1263 | entries_num * le32_to_cpu(gpt_h->sizeof_partition_entry)); |
| 1264 | gpt_h->partition_entry_array_crc32 = calc_crc32; |
| 1265 | gpt_h->header_crc32 = 0; |
| 1266 | calc_crc32 = crc32(0, (const unsigned char *)gpt_h, |
| 1267 | le32_to_cpu(gpt_h->header_size)); |
| 1268 | gpt_h->header_crc32 = calc_crc32; |
| 1269 | |
| 1270 | if (update_dts_gpt) { |
| 1271 | printf("update_dts_gpt is %s\n", update_dts_gpt); |
| 1272 | m = 1; |
| 1273 | ret = 2; |
| 1274 | } |
| 1275 | |
| 1276 | if (parts_num != entries_num) { |
| 1277 | printf("parts_num changes\n"); |
| 1278 | ret = 2; |
| 1279 | } |
| 1280 | |
| 1281 | for (j = m; j < parts_num; j++) { |
| 1282 | if (partitions[j].size != 0 && |
| 1283 | (strcmp(partitions[j].name, "rsv") != 0)) { |
| 1284 | if (!strcmp(partitions[j].name, "recovery")) { |
| 1285 | recovery_offset_old = partitions[j].offset; |
| 1286 | //printf("recovery_offset_old = %d\n", recovery_offset_old); |
| 1287 | } else if (!strcmp(partitions[j].name, "cache")) { |
| 1288 | cache_offset_old = partitions[j].offset; |
| 1289 | cache_size_old = partitions[j].size; |
| 1290 | //printf("cache_offset_old = %d\n", cache_offset_old); |
| 1291 | //printf("cache_size_old = %d\n", cache_size_old); |
| 1292 | } else if (!strcmp(partitions[j].name, "userdata") || |
| 1293 | !strcmp(partitions[j].name, "data")) { |
| 1294 | data_offset_old = partitions[j].offset; |
| 1295 | data_size_old = partitions[j].size; |
| 1296 | //printf("data_offset_old = %d\n", data_offset_old); |
| 1297 | //printf("data_size_old = %d\n", data_size_old); |
| 1298 | } else if (!strcmp(partitions[j].name, "tee")) { |
| 1299 | tee_offset_old = partitions[j].offset; |
| 1300 | tee_size_old = partitions[j].size; |
| 1301 | //printf("tee_offset_old = %d\n", tee_offset_old); |
| 1302 | //printf("tee_size_old = %d\n", tee_size_old); |
| 1303 | } else if (!strcmp(partitions[j].name, "metadata")) { |
| 1304 | metadata_offset_old = partitions[j].offset; |
| 1305 | metadata_size_old = partitions[j].size; |
| 1306 | //printf("metadata_offset_old = %d\n", metadata_offset_old); |
| 1307 | //printf("metadata_size_old = %d\n", metadata_size_old); |
| 1308 | } else if (!strcmp(partitions[j].name, "oem")) { |
| 1309 | oem_offset_old = partitions[j].offset; |
| 1310 | oem_size_old = partitions[j].size; |
| 1311 | //printf("oem_offset_old = %d\n", tee_offset_old); |
| 1312 | //printf("oem_size_old = %d\n", tee_size_old); |
| 1313 | } |
| 1314 | } |
| 1315 | } |
| 1316 | |
| 1317 | for (i = 0; i < entries_num; i++) { |
| 1318 | /* partition name */ |
| 1319 | efiname_len = sizeof(gpt_e[i].partition_name) |
| 1320 | / sizeof(efi_char16_t); |
| 1321 | |
| 1322 | memset(name, 0, PARTNAME_SZ); |
| 1323 | for (k = 0; k < efiname_len; k++) |
| 1324 | name[k] = (char)gpt_e[i].partition_name[k]; |
| 1325 | |
| 1326 | if (strcmp(name, partitions[i].name) != 0) { |
| 1327 | printf("Caution! GPT name [%s] had been changed\n", name); |
| 1328 | if (ret == 0) |
| 1329 | ret = 2; |
| 1330 | } |
| 1331 | |
| 1332 | offset = le64_to_cpu(gpt_e[i].starting_lba << 9ULL); |
| 1333 | size = ((le64_to_cpu(gpt_e[i].ending_lba) + 1) - |
| 1334 | le64_to_cpu(gpt_e[i].starting_lba)) << 9ULL; |
| 1335 | |
| 1336 | mask_flags = |
| 1337 | (uint32_t)le64_to_cpu(gpt_e[i].attributes.fields.type_guid_specific); |
| 1338 | |
| 1339 | if (!strcmp(name, "recovery")) { |
| 1340 | recovery_offset_new = offset; |
| 1341 | //printf("recovery_offset_new = %d\n", recovery_offset_new); |
| 1342 | } else if (!strcmp(name, "cache")) { |
| 1343 | cache_offset_new = offset; |
| 1344 | cache_size_new = size; |
| 1345 | ///printf("cache_offset_new = %d\n", cache_offset_new); |
| 1346 | //printf("cache_size_new = %d\n", cache_size_new); |
| 1347 | } else if (!strcmp(name, "userdata") || |
| 1348 | !strcmp(name, "data")) { |
| 1349 | data_offset_new = offset; |
| 1350 | data_size_new = size; |
| 1351 | //printf("data_offset_new = %d\n", data_offset_new); |
| 1352 | //printf("data_size_new = %d\n", data_size_new); |
| 1353 | } else if (!strcmp(name, "tee")) { |
| 1354 | tee_offset_new = offset; |
| 1355 | tee_size_new = size; |
| 1356 | //printf("tee_offset_new = %d\n", tee_offset_new); |
| 1357 | //printf("tee_size_new = %d\n", tee_size_new); |
| 1358 | } else if (!strcmp(name, "metadata")) { |
| 1359 | metadata_offset_new = offset; |
| 1360 | metadata_size_new = size; |
| 1361 | //printf("metadata_offset_new = %d\n", metadata_offset_new); |
| 1362 | //printf("metadata_size_new = %d\n", metadata_size_new); |
| 1363 | } else if (!strcmp(name, "oem")) { |
| 1364 | oem_offset_new = offset; |
| 1365 | oem_size_new = size; |
| 1366 | //printf("oem_offset_new = %d\n", oem_offset_new); |
| 1367 | //printf("oem_size_new = %d\n", oem_size_new); |
| 1368 | } |
| 1369 | |
| 1370 | for (j = m; j < parts_num; j++) { |
| 1371 | if ((strcmp(partitions[j].name, name) == 0) && |
| 1372 | (strcmp(partitions[j].name, "rsv") != 0)) { |
| 1373 | if (partitions[j].offset != offset || |
| 1374 | partitions[j].size != size) { |
| 1375 | printf("%s offset/size had been changed\n", |
| 1376 | name); |
| 1377 | printf("offset: %016llx --> %016llx\n", |
| 1378 | partitions[j].offset, |
| 1379 | offset); |
| 1380 | printf("size: %016llx --> %016llx\n", |
| 1381 | partitions[j].size, size); |
| 1382 | ret = 3; |
| 1383 | } |
| 1384 | if (partitions[j].mask_flags != mask_flags) { |
| 1385 | printf("%s mask_flags had been changed\n", |
| 1386 | name); |
| 1387 | printf("%08x<->%08x\n", partitions[j].mask_flags, |
| 1388 | mask_flags); |
| 1389 | if (ret == 0) |
| 1390 | ret = 2; |
| 1391 | } |
| 1392 | } |
| 1393 | } |
| 1394 | } |
| 1395 | |
| 1396 | if (data_offset_old != data_offset_new || |
| 1397 | data_size_old != data_size_new || |
| 1398 | cache_offset_old != cache_offset_new || |
| 1399 | cache_size_old != cache_size_new || |
| 1400 | tee_offset_old != tee_offset_new || |
| 1401 | tee_size_old != tee_size_new || |
| 1402 | metadata_offset_old != metadata_offset_new || |
| 1403 | metadata_size_old != metadata_size_new || |
| 1404 | oem_offset_old != oem_offset_new || |
| 1405 | oem_size_old != oem_size_new || |
| 1406 | recovery_offset_old != recovery_offset_new) { |
| 1407 | printf("null ab critical partition change\n"); |
| 1408 | ret = 4; |
| 1409 | } |
| 1410 | |
| 1411 | return ret; |
| 1412 | } |
| 1413 | |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 1414 | /* |
| 1415 | * check is gpt is valid |
| 1416 | * if valid return 0 |
| 1417 | * else return 1 |
| 1418 | */ |
| 1419 | int aml_gpt_valid(struct mmc *mmc) { |
| 1420 | struct blk_desc *dev_desc = mmc_get_blk_desc(mmc); |
| 1421 | if (!dev_desc) { |
| 1422 | printf("%s: Invalid Argument(s)\n", __func__); |
| 1423 | return 1; |
| 1424 | } else { |
| 1425 | ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_head, 1, dev_desc->blksz); |
| 1426 | gpt_entry *gpt_pte = NULL; |
| 1427 | if (is_gpt_valid(dev_desc, GPT_PRIMARY_PARTITION_TABLE_LBA, |
| 1428 | gpt_head, &gpt_pte) != 1) { |
| 1429 | if (is_gpt_valid(dev_desc, (dev_desc->lba - 1), |
| 1430 | gpt_head, &gpt_pte) != 1) { |
| 1431 | printf("gpt is invalid\n"); |
| 1432 | return 1; |
| 1433 | } else { |
| 1434 | printf("%s: *** Using Backup GPT ***\n", |
| 1435 | __func__); |
| 1436 | } |
| 1437 | } |
| 1438 | } |
| 1439 | |
| 1440 | return 0; |
| 1441 | } |
| 1442 | |
| 1443 | void trans_ept_to_diskpart(struct _iptbl *ept, disk_partition_t *disk_part) { |
| 1444 | struct partitions *part = ept->partitions; |
| 1445 | int count = ept->count; |
| 1446 | int i; |
| 1447 | for (i = 0; i < count; i++) { |
| 1448 | disk_part[i].start = part[i].offset >> 9; |
| 1449 | strcpy((char *)disk_part[i].name, part[i].name); |
| 1450 | /* store maskflag into type, 8bits ONLY! */ |
| 1451 | disk_part[i].type[0] = (uchar)part[i].mask_flags; |
| 1452 | #ifdef CONFIG_PARTITION_TYPE_GUID |
| 1453 | strcpy((char *)disk_part[i].type_guid, part[i].name); |
| 1454 | #endif |
| 1455 | #ifdef CONFIG_RANDOM_UUID |
| 1456 | gen_rand_uuid_str(disk_part[i].uuid, UUID_STR_FORMAT_STD); |
| 1457 | #endif |
| 1458 | disk_part[i].bootable = 0; |
| 1459 | if ( i == (count - 1)) |
| 1460 | disk_part[i].size = 0; |
| 1461 | else |
| 1462 | disk_part[i].size = (part[i].size) >> 9; |
| 1463 | } |
| 1464 | return; |
| 1465 | } |
| 1466 | |
| 1467 | #ifdef CONFIG_AML_PARTITION |
| 1468 | /* |
| 1469 | * compare ept and rsv |
| 1470 | * |
| 1471 | * if different: |
| 1472 | * update rsv write back on emmc |
| 1473 | * |
| 1474 | */ |
| 1475 | int enable_rsv_part_table(struct mmc *mmc) |
| 1476 | { |
| 1477 | struct _iptbl *p_iptbl_rsv = NULL; |
| 1478 | int ret = -1; |
| 1479 | |
| 1480 | /* try to get partition table from rsv */ |
| 1481 | ret = _zalloc_iptbl(&p_iptbl_rsv); |
| 1482 | if (ret) |
| 1483 | return ret; |
| 1484 | if (!get_ptbl_rsv(mmc, p_iptbl_rsv)) { |
| 1485 | if (_cmp_iptbl(p_iptbl_ept, p_iptbl_rsv)) { |
| 1486 | apt_wrn("update rsv with gpt!\n"); |
| 1487 | ret = update_ptbl_rsv(mmc, p_iptbl_ept); |
| 1488 | if (ret) |
| 1489 | printf("update rsv with gpt failed\n"); |
| 1490 | } |
| 1491 | } else { |
| 1492 | printf("rsv not exist\n"); |
| 1493 | ret = update_ptbl_rsv(mmc, p_iptbl_ept); |
| 1494 | if (ret) |
| 1495 | printf("update rsv with gpt failed\n"); |
| 1496 | } |
| 1497 | |
| 1498 | _free_iptbl(p_iptbl_rsv); |
| 1499 | return ret; |
| 1500 | } |
| 1501 | #endif |
| 1502 | |
| 1503 | void __attribute__((unused)) _update_part_tbl(struct partitions *p, int count) |
| 1504 | { |
| 1505 | int i = 0; |
| 1506 | |
| 1507 | while (i < count) { |
| 1508 | if (strcmp(p[i].name, "boot_a") == 0) |
| 1509 | has_boot_slot = 1; |
| 1510 | else if (strcmp(p[i].name, "boot") == 0) |
| 1511 | has_boot_slot = 0; |
| 1512 | |
| 1513 | if (strcmp(p[i].name, "system_a") == 0) |
| 1514 | has_system_slot = 1; |
| 1515 | else if (strcmp(p[i].name, "system") == 0) |
| 1516 | has_system_slot = 0; |
| 1517 | |
| 1518 | if (strcmp(p[i].name, "super") == 0) { |
| 1519 | dynamic_partition = true; |
| 1520 | env_set("partition_mode", "dynamic"); |
| 1521 | } |
| 1522 | |
| 1523 | if (strncmp(p[i].name, "vendor_boot", 11) == 0) { |
| 1524 | vendor_boot_partition = true; |
| 1525 | env_set("vendor_boot_mode", "true"); |
| 1526 | } |
| 1527 | i++; |
| 1528 | } |
| 1529 | } |
| 1530 | |
jinbiao | 8794b48 | 2023-12-26 12:40:24 +0000 | [diff] [blame] | 1531 | int resize_gpt(struct mmc *mmc) |
| 1532 | { |
| 1533 | gpt_header *gpt_h; |
| 1534 | void *buf; |
| 1535 | int ret; |
| 1536 | |
| 1537 | struct blk_desc *dev_desc = mmc_get_blk_desc(mmc); |
| 1538 | |
| 1539 | buf = malloc(GPT_SIZE); |
| 1540 | if (!buf) { |
| 1541 | printf("not enough space for gpt buffer\n"); |
| 1542 | return -1; |
| 1543 | } |
| 1544 | |
| 1545 | ret = mmc_gpt_read(buf); |
| 1546 | if (ret == 0) { |
| 1547 | /* determine start of GPT Header in the buffer */ |
| 1548 | gpt_h = buf + (GPT_PRIMARY_PARTITION_TABLE_LBA * dev_desc->blksz); |
| 1549 | if (le64_to_cpu(gpt_h->last_usable_lba) > dev_desc->lba) { |
| 1550 | check_gpt_part(dev_desc, buf); |
| 1551 | ret = write_mbr_and_gpt_partitions(dev_desc, (u_char *)buf); |
| 1552 | if (ret) { |
| 1553 | printf("%s: writing GPT partitions failed\n", __func__); |
| 1554 | free(buf); |
| 1555 | return -1; |
| 1556 | } |
| 1557 | printf("resize gpt success\n"); |
| 1558 | } |
| 1559 | } else if (ret == -1) { |
| 1560 | printf("%s: read gpt failed\n", __func__); |
| 1561 | free(buf); |
| 1562 | return -1; |
| 1563 | } |
| 1564 | free(buf); |
| 1565 | return 0; |
| 1566 | } |
| 1567 | |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 1568 | /*************************************************** |
| 1569 | * init partition table for emmc device. |
| 1570 | * returns 0 means ok. |
| 1571 | * other means failure. |
| 1572 | *************************************************** |
| 1573 | * work flows: |
| 1574 | * source of logic partition table(LPT) is from dts |
| 1575 | * no matter MACRO is on/off |
| 1576 | * 1. try to get LPT from dtb |
| 1577 | * 1.1 if dtb exist, compose ept by LPT&inh |
| 1578 | * 1.2 if not, go ahead |
| 1579 | * 2. try to get ept from emmc rsv partition |
| 1580 | * 2.1 if not: |
| 1581 | * 2.1.1 when dtb exists |
| 1582 | * 2.1.1.1 check ept with dtb |
| 1583 | * 2.1.1.2 update rsv if needed |
| 1584 | * 2.1.1 without dtb, exit |
| 1585 | * 2.2 if got: |
| 1586 | * 2.2.1 try to reconstruct ept by MBR |
| 1587 | * 2.2.2 check it with ept |
| 1588 | * 2.2.3 update MBR if needed |
| 1589 | *************************************************** |
| 1590 | * when normal boot: |
| 1591 | * without dtb, with rsv, with MBR |
| 1592 | * when blank emmc: |
| 1593 | * without dtb, without rsv, without MBR |
| 1594 | * when burning MBR on a blank emmc: |
| 1595 | * with dtb, without rsv, without MBR |
| 1596 | * when burning MBR on a emmc with rsv: |
| 1597 | * with dtb, with rsv, without MBR |
| 1598 | * when burning MBR on a emmc with rsv&MBR: |
| 1599 | * with dtb, with rsv, with MBR |
| 1600 | ***************************************************/ |
jinbiao | 5da7d89 | 2024-05-13 12:19:47 +0000 | [diff] [blame] | 1601 | int mmc_device_init(struct mmc *mmc) |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 1602 | { |
| 1603 | int ret = 1; |
| 1604 | |
| 1605 | #ifdef CONFIG_AML_PARTITION |
| 1606 | int update = 1; |
| 1607 | struct _iptbl *p_iptbl_rsv = NULL; |
| 1608 | #endif |
| 1609 | |
| 1610 | #if (CONFIG_PTBL_MBR) || (!CONFIG_AML_PARTITION) |
| 1611 | cpu_id_t cpu_id = get_cpu_id(); |
| 1612 | #endif |
| 1613 | /* partition table from dtb/code/emmc rsv */ |
| 1614 | struct _iptbl iptbl_dtb, iptbl_inh; |
| 1615 | |
| 1616 | /* For re-entry */ |
| 1617 | if (!p_iptbl_ept) { |
| 1618 | ret = _zalloc_iptbl(&p_iptbl_ept); |
| 1619 | if (ret) |
| 1620 | goto _out; |
| 1621 | } else { |
| 1622 | p_iptbl_ept->count = 0; |
| 1623 | memset(p_iptbl_ept->partitions, 0, |
| 1624 | sizeof(struct partitions) * MAX_PART_COUNT); |
| 1625 | } |
| 1626 | |
jinbiao | 8794b48 | 2023-12-26 12:40:24 +0000 | [diff] [blame] | 1627 | if (resize_gpt(mmc)) |
| 1628 | goto _out; |
| 1629 | |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 1630 | /* calculate inherent offset */ |
| 1631 | iptbl_inh.count = get_emmc_partition_arraysize(); |
| 1632 | if (iptbl_inh.count) { |
| 1633 | iptbl_inh.partitions = emmc_partition_table; |
| 1634 | _calculate_offset(mmc, &iptbl_inh, 0); |
| 1635 | } |
| 1636 | apt_info("inh count %d\n", iptbl_inh.count); |
| 1637 | |
| 1638 | ret = get_ept_from_gpt(mmc); |
| 1639 | if (!ret) { |
| 1640 | #ifdef CONFIG_AML_PARTITION |
| 1641 | /* init part again */ |
| 1642 | part_init(mmc_get_blk_desc(mmc)); |
| 1643 | return enable_rsv_part_table(mmc); |
| 1644 | #else |
| 1645 | part_init(mmc_get_blk_desc(mmc)); |
| 1646 | return ret; |
| 1647 | #endif |
| 1648 | } |
| 1649 | |
| 1650 | #if (CONFIG_MPT_DEBUG) |
| 1651 | apt_info("inherent partition table\n"); |
| 1652 | _dump_part_tbl(iptbl_inh.partitions, iptbl_inh.count); |
| 1653 | #endif |
| 1654 | |
| 1655 | /* try to get partition table from dtb(ddr or emmc) */ |
| 1656 | iptbl_dtb.partitions = get_ptbl_from_dtb(mmc); |
| 1657 | /* construct ept by dtb if exist */ |
| 1658 | if (iptbl_dtb.partitions) { |
| 1659 | iptbl_dtb.count = get_partition_count(); |
| 1660 | apt_info("dtb %p, count %d\n", iptbl_dtb.partitions, iptbl_dtb.count); |
| 1661 | /* reserved partition must exist! */ |
| 1662 | if (iptbl_inh.count) { |
| 1663 | compose_ept(&iptbl_dtb, &iptbl_inh, p_iptbl_ept); |
| 1664 | if (0 == p_iptbl_ept->count) { |
| 1665 | apt_err("compose partition table failed!\n"); |
| 1666 | goto _out; |
| 1667 | } |
| 1668 | /* calculate offset infos. considering GAPs */ |
| 1669 | if (_calculate_offset(mmc, p_iptbl_ept, 1)) { |
| 1670 | goto _out; |
| 1671 | } |
| 1672 | #if (CONFIG_MPT_DEBUG) |
| 1673 | apt_info("ept partition table\n"); |
| 1674 | _dump_part_tbl(p_iptbl_ept->partitions, p_iptbl_ept->count); |
| 1675 | #endif |
| 1676 | } else { |
| 1677 | /* report fail, because there is no reserved partitions */ |
| 1678 | apt_err("compose partition table failed!\n"); |
| 1679 | ret = -1; |
| 1680 | goto _out; |
| 1681 | } |
| 1682 | } else |
| 1683 | apt_wrn("get partition table from dtb failed\n"); |
| 1684 | #ifndef CONFIG_AML_PARTITION |
| 1685 | if (cpu_id.family_id < MESON_CPU_MAJOR_ID_G12B) { |
| 1686 | printf("CONFIG_AML_PARTITION should define before G12B\n"); |
| 1687 | goto _out; |
| 1688 | } |
| 1689 | #endif |
| 1690 | |
| 1691 | #ifdef CONFIG_AML_PARTITION |
| 1692 | /* try to get partition table from rsv */ |
| 1693 | ret = _zalloc_iptbl(&p_iptbl_rsv); |
| 1694 | if (ret) |
| 1695 | goto _out; |
| 1696 | ret = get_ptbl_rsv(mmc, p_iptbl_rsv); |
| 1697 | if (p_iptbl_rsv->count) { |
| 1698 | /* dtb exist, p_iptbl_ept already inited */ |
| 1699 | if (iptbl_dtb.partitions) { |
| 1700 | ret = _cmp_iptbl(p_iptbl_ept, p_iptbl_rsv); |
| 1701 | if (!ret) { |
| 1702 | update = 0; |
| 1703 | } |
| 1704 | } else { |
| 1705 | /* without dtb, update ept with rsv */ |
| 1706 | #if 0 |
| 1707 | p_iptbl_ept->count = p_iptbl_rsv->count; |
| 1708 | memcpy(p_iptbl_ept->partitions, p_iptbl_rsv->partitions, |
| 1709 | p_iptbl_ept->count * sizeof(struct partitions)); |
| 1710 | #endif |
| 1711 | _cpy_iptbl(p_iptbl_ept, p_iptbl_rsv); |
| 1712 | update = 0; |
| 1713 | } |
| 1714 | } else { |
| 1715 | /* without dtb& rsv */ |
| 1716 | if (!iptbl_dtb.partitions) { |
| 1717 | apt_err("dtb&rsv are not exist, no LPT source\n"); |
| 1718 | ret = -9; |
| 1719 | goto _out; |
| 1720 | } |
| 1721 | } |
| 1722 | |
| 1723 | if (update && iptbl_dtb.partitions && (aml_gpt_valid(mmc) != 0)) { |
| 1724 | apt_wrn("update rsv with dtb!\n"); |
| 1725 | ret = update_ptbl_rsv(mmc, p_iptbl_ept); |
| 1726 | } |
| 1727 | #endif |
| 1728 | //apt_wrn("ept source is %s\n", (ept_source == p_iptbl_ept)?"ept":"rsv"); |
| 1729 | #if (CONFIG_PTBL_MBR) |
| 1730 | /* 1st sector was reserved by romboot after gxl */ |
| 1731 | if (cpu_id.family_id >= MESON_CPU_MAJOR_ID_GXL) { |
| 1732 | if (_check_ptbl_mbr(mmc, p_iptbl_ept)) { |
| 1733 | /*fixme, compatible for mbr&ebr */ |
| 1734 | ret |= _update_ptbl_mbr(mmc, p_iptbl_ept); |
| 1735 | apt_wrn("MBR Updated!\n"); |
| 1736 | } |
| 1737 | } |
| 1738 | #endif |
| 1739 | |
| 1740 | _update_part_tbl(p_iptbl_ept->partitions, p_iptbl_ept->count); |
| 1741 | |
| 1742 | /* init part again */ |
| 1743 | part_init(mmc_get_blk_desc(mmc)); |
| 1744 | |
| 1745 | _out: |
| 1746 | #ifdef CONFIG_AML_PARTITION |
| 1747 | if (p_iptbl_rsv) |
| 1748 | _free_iptbl(p_iptbl_rsv); |
| 1749 | #endif |
| 1750 | return ret; |
| 1751 | } |
| 1752 | |
ruixuan.li | ffca1b9 | 2023-02-24 16:18:59 +0800 | [diff] [blame] | 1753 | int mmc_partition_init(void) |
| 1754 | { |
jinbiao | 5da7d89 | 2024-05-13 12:19:47 +0000 | [diff] [blame] | 1755 | struct mmc *mmc = find_mmc_device(STORAGE_EMMC); |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 1756 | struct _iptbl iptbl_inh; |
ruixuan.li | ffca1b9 | 2023-02-24 16:18:59 +0800 | [diff] [blame] | 1757 | int ret; |
| 1758 | |
| 1759 | if (!mmc) { |
| 1760 | printf("emmc is not exist\n"); |
| 1761 | return -1; |
| 1762 | } |
| 1763 | |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 1764 | iptbl_inh.count = get_emmc_partition_arraysize(); |
| 1765 | if (iptbl_inh.count) { |
| 1766 | iptbl_inh.partitions = emmc_partition_table; |
| 1767 | _calculate_offset(mmc, &iptbl_inh, 0); |
| 1768 | } |
| 1769 | |
ruixuan.li | ffca1b9 | 2023-02-24 16:18:59 +0800 | [diff] [blame] | 1770 | if (!p_iptbl_ept) { |
| 1771 | ret = _zalloc_iptbl(&p_iptbl_ept); |
| 1772 | if (ret) |
| 1773 | return ret; |
| 1774 | } else { |
| 1775 | p_iptbl_ept->count = 0; |
| 1776 | memset(p_iptbl_ept->partitions, 0, |
| 1777 | sizeof(struct partitions) * MAX_PART_COUNT); |
| 1778 | } |
| 1779 | |
| 1780 | ret = get_ept_from_gpt(mmc); |
| 1781 | if (!ret) { |
| 1782 | part_init(mmc_get_blk_desc(mmc)); |
| 1783 | return ret; |
| 1784 | } |
| 1785 | |
| 1786 | printf("gpt is not exist, partition registe failed\n"); |
| 1787 | return ret; |
| 1788 | } |
| 1789 | |
jinbiao | 890dba6 | 2024-09-04 04:04:22 +0000 | [diff] [blame] | 1790 | struct partitions *find_mmc_partition_by_name(char const *name) |
Bo Lv | 72d0e90 | 2023-01-02 14:27:34 +0000 | [diff] [blame] | 1791 | { |
| 1792 | struct partitions *partition = NULL; |
| 1793 | |
| 1794 | apt_info("p_iptbl_ept %p\n", p_iptbl_ept); |
| 1795 | if (NULL == p_iptbl_ept) { |
| 1796 | goto _out; |
| 1797 | } |
| 1798 | partition = p_iptbl_ept->partitions; |
| 1799 | partition = _find_partition_by_name(partition, |
| 1800 | p_iptbl_ept->count, name); |
| 1801 | apt_info("partition %p\n", partition); |
| 1802 | if (!partition) { |
| 1803 | partition = _find_partition_by_name(emmc_partition_table, |
| 1804 | get_emmc_partition_arraysize(), name); |
| 1805 | } |
| 1806 | apt_info("partition %p\n", partition); |
| 1807 | _out: |
| 1808 | return partition; |
| 1809 | } |
| 1810 | |
| 1811 | /* |
| 1812 | find virtual partition in inherent table. |
| 1813 | */ |
| 1814 | int find_virtual_partition_by_name (char const *name, struct partitions *partition) |
| 1815 | { |
| 1816 | int ret = 0; |
| 1817 | ulong offset; |
| 1818 | struct virtual_partition *vpart = aml_get_virtual_partition_by_name(MMC_DTB_NAME); |
| 1819 | if (NULL == partition) |
| 1820 | return -1; |
| 1821 | |
| 1822 | offset = _get_inherent_offset(MMC_RESERVED_NAME); |
| 1823 | if (-1 == offset) { |
| 1824 | apt_err("can't find %s in inherent\n", MMC_RESERVED_NAME); |
| 1825 | return -1; |
| 1826 | } |
| 1827 | |
| 1828 | if (!strcmp(name, "dtb")) { |
| 1829 | strncpy(partition->name, name, sizeof(partition->name) - 1); |
| 1830 | partition->name[sizeof(partition->name) - 1] = '\0'; |
| 1831 | partition->offset = offset + vpart->offset; |
| 1832 | partition->size = (vpart->size * DTB_COPIES); |
| 1833 | } |
| 1834 | |
| 1835 | return ret; |
| 1836 | } |
| 1837 | |
| 1838 | int find_dev_num_by_partition_name (char const *name) |
| 1839 | { |
| 1840 | int dev = -1; |
| 1841 | |
| 1842 | /* card */ |
| 1843 | if (!strcmp(name, MMC_CARD_PARTITION_NAME)) { |
| 1844 | dev = 0; |
| 1845 | } else { /* eMMC OR TSD */ |
| 1846 | /* partition name is valid */ |
| 1847 | if (find_mmc_partition_by_name(name)) { |
| 1848 | dev = 1; |
| 1849 | } |
| 1850 | } |
| 1851 | return dev; |
| 1852 | } |
| 1853 | |
| 1854 | static inline uint64_t get_part_size(struct partitions *part, int num) |
| 1855 | { |
| 1856 | return part[num].size; |
| 1857 | } |
| 1858 | |
| 1859 | static inline uint64_t get_part_offset(struct partitions *part, int num) |
| 1860 | { |
| 1861 | return part[num].offset; |
| 1862 | } |
| 1863 | |
| 1864 | static inline char * get_part_name(struct partitions *part, int num) |
| 1865 | { |
| 1866 | return (char *)part[num].name; |
| 1867 | } |
| 1868 | |
| 1869 | int get_part_info_from_tbl(struct blk_desc *dev_desc, |
| 1870 | int num, disk_partition_t *info) |
| 1871 | { |
| 1872 | int ret = 0; |
| 1873 | struct partitions *part; |
| 1874 | |
| 1875 | if (NULL == p_iptbl_ept) |
| 1876 | return -1; |
| 1877 | if (num > (p_iptbl_ept->count-1)) |
| 1878 | return -1; |
| 1879 | part = p_iptbl_ept->partitions; |
| 1880 | |
| 1881 | /*get partition info by index! */ |
| 1882 | info->start = (lbaint_t)(get_part_offset(part, num)/dev_desc->blksz); |
| 1883 | info->size = (lbaint_t)(get_part_size(part, num)/dev_desc->blksz); |
| 1884 | info->blksz = dev_desc->blksz; |
| 1885 | strcpy((char *)info->name, get_part_name(part, num)); |
| 1886 | |
| 1887 | return ret; |
| 1888 | } |
| 1889 | #if (CONFIG_MPT_DEBUG) |
| 1890 | void show_partition_info(disk_partition_t *info) |
| 1891 | { |
| 1892 | printf("----------%s----------\n", __func__); |
| 1893 | printf("name %10s\n", info->name); |
| 1894 | printf("blksz " LBAFU "\n", info->blksz); |
| 1895 | printf("sart %ld\n", info->start); |
| 1896 | printf("size %ld\n", info->size); |
| 1897 | printf("----------end----------\n"); |
| 1898 | } |
| 1899 | #endif |
| 1900 | |
| 1901 | struct partitions *aml_get_partition_by_name(const char *name) |
| 1902 | { |
| 1903 | struct partitions *partition = NULL; |
| 1904 | partition = _find_partition_by_name(emmc_partition_table, |
| 1905 | get_emmc_partition_arraysize(), name); |
| 1906 | if (partition == NULL) |
| 1907 | apt_wrn("do not find match in inherent table %s\n", name); |
| 1908 | return partition; |
| 1909 | } |
| 1910 | |
| 1911 | struct virtual_partition *aml_get_virtual_partition_by_name(const char *name) |
| 1912 | { |
| 1913 | int i = 0, cnt; |
| 1914 | struct virtual_partition *part = NULL; |
| 1915 | cnt = get_emmc_virtual_partition_arraysize(); |
| 1916 | while (i < cnt) { |
| 1917 | |
| 1918 | part = &virtual_partition_table[i]; |
| 1919 | if (!strcmp(name, part->name)) { |
| 1920 | apt_info("find %10s @ tbl[%d]\n", name, i); |
| 1921 | break; |
| 1922 | } |
| 1923 | i++; |
| 1924 | }; |
| 1925 | if (i == cnt) { |
| 1926 | part = NULL; |
| 1927 | apt_wrn("do not find match in table %10s\n", name); |
| 1928 | } |
| 1929 | return part; |
| 1930 | } |
| 1931 | |
| 1932 | int get_part_info_by_name(struct blk_desc *dev_desc, |
| 1933 | const char *name, disk_partition_t *info) |
| 1934 | { |
| 1935 | struct partitions *partition = NULL; |
| 1936 | struct partitions virtual; |
| 1937 | int ret = 0; |
| 1938 | cpu_id_t cpu_id = get_cpu_id(); |
| 1939 | |
| 1940 | partition = find_mmc_partition_by_name((char *)name); |
| 1941 | if (partition) { |
| 1942 | info->start = (lbaint_t)(partition->offset/dev_desc->blksz); |
| 1943 | info->size = (lbaint_t)(partition->size/dev_desc->blksz); |
| 1944 | info->blksz = dev_desc->blksz; |
| 1945 | strcpy((char *)info->name, partition->name); |
| 1946 | } else if (!find_virtual_partition_by_name((char *)name, &virtual)) { |
| 1947 | /* try virtual partitions */ |
| 1948 | apt_wrn("Got %s in virtual table\n", name); |
| 1949 | info->start = (lbaint_t)(virtual.offset/dev_desc->blksz); |
| 1950 | info->size = (lbaint_t)(virtual.size/dev_desc->blksz); |
| 1951 | info->blksz = dev_desc->blksz; |
| 1952 | strcpy((char *)info->name, virtual.name); |
| 1953 | } else { |
| 1954 | /* all partitions were tried, fail */ |
| 1955 | ret = -1; |
| 1956 | goto _out; |
| 1957 | } |
| 1958 | /* for bootloader */ |
| 1959 | if ((0 == info->start) && (cpu_id.family_id >= MESON_CPU_MAJOR_ID_GXL)) { |
| 1960 | info->start = 1; |
| 1961 | info->size -= 1; |
| 1962 | } |
| 1963 | |
| 1964 | #if (CONFIG_MPT_DEBUG) |
| 1965 | show_partition_info(info); |
| 1966 | #endif |
| 1967 | _out: |
| 1968 | return ret; |
| 1969 | } |
| 1970 | |
| 1971 | |
| 1972 | /* |
| 1973 | * get the partition number by name |
| 1974 | * return value |
| 1975 | * < 0 means no partition found |
| 1976 | * >= 0 means valid partition |
| 1977 | */ |
| 1978 | __weak int get_partition_num_by_name(char const *name) |
| 1979 | { |
| 1980 | int ret = -1; |
| 1981 | struct partitions *partition = NULL; |
| 1982 | |
| 1983 | if (NULL == p_iptbl_ept) |
| 1984 | goto _out; |
| 1985 | partition = p_iptbl_ept->partitions; |
| 1986 | ret = _get_part_index_by_name(partition, |
| 1987 | p_iptbl_ept->count, name); |
| 1988 | _out: |
| 1989 | return ret; |
| 1990 | } |
| 1991 | |
| 1992 | /* |
| 1993 | * get the partition info by number |
| 1994 | * return value |
| 1995 | * < 0 means no partition found |
| 1996 | * >= 0 means valid partition |
| 1997 | */ |
| 1998 | __weak struct partitions *get_partition_info_by_num(const int num) |
| 1999 | { |
| 2000 | struct partitions *partition = NULL; |
| 2001 | |
| 2002 | if ((NULL == p_iptbl_ept) |
| 2003 | || (num >= p_iptbl_ept->count)) |
| 2004 | goto _out; |
| 2005 | partition = &p_iptbl_ept->partitions[num]; |
| 2006 | |
| 2007 | _out: |
| 2008 | return partition; |
| 2009 | } |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 2010 | |
| 2011 | int check_gpt_part(struct blk_desc *dev_desc, void *buf) |
| 2012 | { |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 2013 | gpt_header *gpt_h; |
| 2014 | gpt_entry *gpt_e; |
| 2015 | u32 calc_crc32; |
| 2016 | int i; |
| 2017 | u32 entries_num; |
| 2018 | #if (ADD_LAST_PARTITION) |
| 2019 | ulong gap = GPT_GAP; |
| 2020 | #endif |
| 2021 | u64 offset_old, size_old; |
| 2022 | u64 offset_new, size_new; |
| 2023 | int ret = 0; |
| 2024 | bool alternate_flag = false; |
jinbiao | 8794b48 | 2023-12-26 12:40:24 +0000 | [diff] [blame] | 2025 | lbaint_t last_usable_lba, last_ending_lba; |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 2026 | |
| 2027 | /* determine start of GPT Header in the buffer */ |
| 2028 | gpt_h = buf + (GPT_PRIMARY_PARTITION_TABLE_LBA * |
| 2029 | dev_desc->blksz); |
| 2030 | |
| 2031 | /* determine start of GPT Entries in the buffer */ |
| 2032 | gpt_e = buf + (le64_to_cpu(gpt_h->partition_entry_lba) * |
| 2033 | dev_desc->blksz); |
| 2034 | entries_num = le32_to_cpu(gpt_h->num_partition_entries); |
| 2035 | |
jinbiao | 8794b48 | 2023-12-26 12:40:24 +0000 | [diff] [blame] | 2036 | if (le64_to_cpu(gpt_h->alternate_lba) != (dev_desc->lba - 1)) { |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 2037 | printf("GPT: alternate_lba: %llX, " LBAF ", reset it\n", |
| 2038 | le64_to_cpu(gpt_h->alternate_lba), dev_desc->lba); |
| 2039 | gpt_h->alternate_lba = cpu_to_le64(dev_desc->lba - 1); |
| 2040 | alternate_flag = true; |
| 2041 | } |
| 2042 | |
jinbiao | 8794b48 | 2023-12-26 12:40:24 +0000 | [diff] [blame] | 2043 | if (alternate_flag) { |
| 2044 | last_usable_lba = cpu_to_le64(dev_desc->lba - 34); |
jinbiao | 4cdaa18 | 2024-10-15 11:14:44 +0000 | [diff] [blame] | 2045 | last_ending_lba = ((last_usable_lba >> 12) << 12) - 1; |
jinbiao | 8794b48 | 2023-12-26 12:40:24 +0000 | [diff] [blame] | 2046 | } else { |
| 2047 | last_usable_lba = cpu_to_le64(dev_desc->lba - 1); |
| 2048 | last_ending_lba = last_usable_lba; |
| 2049 | } |
| 2050 | |
| 2051 | if (le64_to_cpu(gpt_h->last_usable_lba) != last_usable_lba) { |
| 2052 | printf("GPT: last_usable_lba incorrect: %llX != " LBAF ", reset it\n", |
| 2053 | le64_to_cpu(gpt_h->last_usable_lba), last_usable_lba); |
| 2054 | gpt_h->last_usable_lba = last_usable_lba; |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 2055 | } |
| 2056 | |
| 2057 | for (i = 0; i < entries_num; i++) { |
| 2058 | #if (ADD_LAST_PARTITION) |
| 2059 | if (i == entries_num - 1) { |
| 2060 | gpt_e[i - 1].ending_lba -= gpt_e[i].ending_lba + le64_to_cpu(gap) + 1; |
| 2061 | gpt_e[i].starting_lba = gpt_e[i - 1].ending_lba + le64_to_cpu(gap) + 1; |
jinbiao | 8794b48 | 2023-12-26 12:40:24 +0000 | [diff] [blame] | 2062 | gpt_e[i].ending_lba = last_ending_lba; |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 2063 | } |
| 2064 | |
| 2065 | #endif |
jinbiao | c6b040f | 2023-11-27 02:46:06 +0000 | [diff] [blame] | 2066 | if (le64_to_cpu(gpt_e[i].starting_lba) > gpt_h->last_usable_lba) { |
| 2067 | printf("gpt_e[%d].starting_lba: %llX > %llX, writing failed\n", i, |
| 2068 | le64_to_cpu(gpt_e[i].starting_lba), |
| 2069 | le64_to_cpu(gpt_h->last_usable_lba)); |
| 2070 | return 1; |
| 2071 | } |
jinbiao | 8794b48 | 2023-12-26 12:40:24 +0000 | [diff] [blame] | 2072 | if ((le64_to_cpu(gpt_e[i].ending_lba) > last_ending_lba) || |
| 2073 | ((i == entries_num - 1) && |
| 2074 | le64_to_cpu(gpt_e[i].ending_lba) != last_ending_lba)) { |
| 2075 | printf("gpt_e[%d].ending_lba: %llX, last_ending_lba: %lX, reset it\n", |
| 2076 | i, le64_to_cpu(gpt_e[i].ending_lba), last_ending_lba); |
| 2077 | gpt_e[i].ending_lba = last_ending_lba; |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 2078 | printf("gpt_e[%d].ending_lba: %llX\n", i, gpt_e[i].ending_lba); |
| 2079 | } |
Xindong Xu | 7f58de9 | 2024-03-01 14:21:52 +0800 | [diff] [blame] | 2080 | if (le64_to_cpu(gpt_h->alternate_lba) > le64_to_cpu(gpt_e[i].starting_lba) && |
| 2081 | le64_to_cpu(gpt_h->alternate_lba) < le64_to_cpu(gpt_e[i].ending_lba)) { |
| 2082 | printf("%s: alternate_lba: %llX during part %d, invalid, reset it\n", |
| 2083 | __func__, le64_to_cpu(gpt_h->alternate_lba), i); |
| 2084 | gpt_h->alternate_lba = gpt_e[1].starting_lba - 1; |
| 2085 | } |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 2086 | } |
| 2087 | |
| 2088 | calc_crc32 = crc32(0, (const unsigned char *)gpt_e, |
| 2089 | entries_num * le32_to_cpu(gpt_h->sizeof_partition_entry)); |
| 2090 | gpt_h->partition_entry_array_crc32 = calc_crc32; |
| 2091 | gpt_h->header_crc32 = 0; |
| 2092 | calc_crc32 = crc32(0, (const unsigned char *)gpt_h, |
| 2093 | le32_to_cpu(gpt_h->header_size)); |
| 2094 | gpt_h->header_crc32 = calc_crc32; |
| 2095 | |
| 2096 | for (i = 0; i < le32_to_cpu(gpt_h->num_partition_entries); i++) { |
Ruixuan.li | 05acd9b | 2023-08-04 09:44:36 +0800 | [diff] [blame] | 2097 | if (!is_pte_valid(&gpt_e[i])) |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 2098 | break; |
| 2099 | |
Ruixuan.li | 05acd9b | 2023-08-04 09:44:36 +0800 | [diff] [blame] | 2100 | offset_old = le64_to_cpu(gpt_e[i].starting_lba << 9ULL); |
| 2101 | size_old = ((le64_to_cpu(gpt_e[i].ending_lba) + 1) - |
| 2102 | le64_to_cpu(gpt_e[i].starting_lba)) << 9ULL; |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 2103 | |
| 2104 | offset_new = le64_to_cpu(gpt_e[i].starting_lba << 9ULL); |
| 2105 | size_new = ((le64_to_cpu(gpt_e[i].ending_lba) + 1) - |
| 2106 | le64_to_cpu(gpt_e[i].starting_lba)) << 9ULL; |
| 2107 | |
| 2108 | if (offset_old != offset_new || size_old != size_new) { |
| 2109 | printf("old %02d %10ls %016llx %016llx\n", |
Ruixuan.li | 05acd9b | 2023-08-04 09:44:36 +0800 | [diff] [blame] | 2110 | i, gpt_e[i].partition_name, |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 2111 | offset_old, size_old); |
| 2112 | printf("new %02d %10ls %016llx %016llx\n", |
| 2113 | i, gpt_e[i].partition_name, |
| 2114 | offset_new, size_new); |
| 2115 | ret = 1; |
| 2116 | printf("partition changes, erase\n"); |
| 2117 | goto _out; |
| 2118 | } |
| 2119 | } |
| 2120 | |
| 2121 | _out: |
ruixuan.li | 554d4e9 | 2023-02-28 17:11:25 +0800 | [diff] [blame] | 2122 | return ret; |
| 2123 | } |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2124 | |
| 2125 | /* unifykey backup distribution */ |
| 2126 | |
| 2127 | /*-------------------------------------------------------- |
| 2128 | * offset | 0x12020 | 0x12220 | 0x12420 | 0x12421 | |
| 2129 | *-------------------------------------------------------- |
| 2130 | * size | 200 block | 200 block | 1 block | 1 block | |
| 2131 | *-------------------------------------------------------- |
| 2132 | *content | key1 | key2 | checksum1 | checksum2 | |
| 2133 | *-------------------------------------------------------- |
| 2134 | */ |
| 2135 | static u64 _calc_key_checksum(void *addr, int size) |
| 2136 | { |
| 2137 | int i = 0; |
| 2138 | u32 *buffer; |
| 2139 | u64 checksum = 0; |
| 2140 | |
| 2141 | if ((u64)addr % 4 != 0) |
| 2142 | BUG(); |
| 2143 | |
| 2144 | buffer = (u32 *)addr; |
| 2145 | size = size >> 2; |
| 2146 | while (i < size) |
| 2147 | checksum += buffer[i++]; |
| 2148 | |
| 2149 | return checksum; |
| 2150 | } |
| 2151 | |
| 2152 | static int _key_read(struct mmc *mmc, u64 blk, u64 cnt, void * addr) |
| 2153 | { |
| 2154 | int dev = EMMC_DTB_DEV; |
| 2155 | u64 n; |
| 2156 | n = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, addr); |
| 2157 | if (n != cnt) { |
| 2158 | printf("%s: dev # %d, block # %#llx, count # %#llx ERROR!\n", |
| 2159 | __func__, dev, blk, cnt); |
| 2160 | } |
| 2161 | |
| 2162 | return (n != cnt); |
| 2163 | } |
| 2164 | |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2165 | static int _verify_key_checksum(struct mmc *mmc, void *addr, int cpy, unsigned int size) |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2166 | { |
| 2167 | u64 checksum; |
| 2168 | int ret = 0; |
| 2169 | u64 blk, key_glb_offset; |
| 2170 | struct partitions * part = NULL; |
| 2171 | struct virtual_partition *vpart = NULL; |
| 2172 | char checksum_info[512] = {0}; |
| 2173 | |
| 2174 | vpart = aml_get_virtual_partition_by_name(MMC_KEY_NAME); |
| 2175 | part = aml_get_partition_by_name(MMC_RESERVED_NAME); |
| 2176 | key_glb_offset = part->offset + vpart->offset; |
| 2177 | |
| 2178 | blk = (key_glb_offset + 2 * (vpart->size)) / MMC_BLOCK_SIZE + cpy; |
| 2179 | ret = _key_read(mmc, blk, 1, (void *)checksum_info); |
| 2180 | if (ret) |
| 2181 | return -1; |
| 2182 | |
| 2183 | memcpy(&key_infos[cpy], checksum_info, sizeof(struct aml_key_info)); |
| 2184 | |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2185 | checksum = _calc_key_checksum(addr, size); |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2186 | printf("calc %llx, store %llx\n", checksum, key_infos[cpy].checksum); |
| 2187 | |
| 2188 | return !(checksum == key_infos[cpy].checksum); |
| 2189 | } |
| 2190 | |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2191 | static int update_key_info(struct mmc *mmc, unsigned char *addr, unsigned int size) |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2192 | { |
| 2193 | int ret = 0; |
| 2194 | u64 blk, cnt, key_glb_offset; |
| 2195 | int cpy = 1; |
| 2196 | struct partitions * part = NULL; |
| 2197 | struct virtual_partition *vpart = NULL; |
| 2198 | int valid_flag = 0; |
| 2199 | |
| 2200 | vpart = aml_get_virtual_partition_by_name(MMC_KEY_NAME); |
| 2201 | part = aml_get_partition_by_name(MMC_RESERVED_NAME); |
| 2202 | key_glb_offset = part->offset + vpart->offset; |
| 2203 | |
| 2204 | while (cpy >= 0) { |
| 2205 | blk = (key_glb_offset + cpy * (vpart->size)) / MMC_BLOCK_SIZE; |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2206 | cnt = size / mmc->read_bl_len; |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2207 | ret = _key_read(mmc, blk, cnt, addr); |
| 2208 | if (ret) { |
| 2209 | printf("%s: block # %#llx, cnt # %#llx ERROR!\n", |
| 2210 | __func__, blk, cnt); |
| 2211 | return -1; |
| 2212 | } |
| 2213 | |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2214 | ret = _verify_key_checksum(mmc, addr, cpy, size); |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2215 | if (!ret && key_infos[cpy].magic != 0) |
| 2216 | valid_flag += cpy + 1; |
| 2217 | else |
| 2218 | printf("cpy %d is not valid\n", cpy); |
| 2219 | cpy--; |
| 2220 | } |
| 2221 | |
| 2222 | if (key_infos[0].stamp > key_infos[1].stamp) |
| 2223 | mmc->key_stamp = key_infos[0].stamp; |
| 2224 | else |
| 2225 | mmc->key_stamp = key_infos[1].stamp; |
| 2226 | |
| 2227 | return valid_flag; |
| 2228 | } |
| 2229 | |
| 2230 | static int _key_write(struct mmc *mmc, u64 blk, u64 cnt, void *addr) |
| 2231 | { |
| 2232 | int dev = STORAGE_EMMC; |
| 2233 | u32 n; |
| 2234 | n = blk_dwrite(mmc_get_blk_desc(mmc), blk, cnt, addr); |
| 2235 | if (n != cnt) { |
| 2236 | printf("%s: dev # %d, block # %#llx, count # %#llx ERROR!\n", |
| 2237 | __func__, dev, blk, cnt); |
| 2238 | } |
| 2239 | |
| 2240 | return (n != cnt); |
| 2241 | } |
| 2242 | |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2243 | static int write_invalid_key(struct mmc *mmc, void *addr, unsigned int size, int valid_flag) |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2244 | { |
| 2245 | u64 blk, cnt, key_glb_offset; |
| 2246 | int ret; |
| 2247 | struct partitions * part = NULL; |
| 2248 | struct virtual_partition *vpart = NULL; |
| 2249 | char checksum_info[512] = {0}; |
| 2250 | |
| 2251 | if (valid_flag > 2 || valid_flag < 1) |
| 2252 | return 1; |
| 2253 | |
| 2254 | vpart = aml_get_virtual_partition_by_name(MMC_KEY_NAME); |
| 2255 | part = aml_get_partition_by_name(MMC_RESERVED_NAME); |
| 2256 | key_glb_offset = part->offset + vpart->offset; |
| 2257 | |
| 2258 | blk = (key_glb_offset + (valid_flag - 1) * (vpart->size)) / MMC_BLOCK_SIZE; |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2259 | cnt = size / mmc->read_bl_len; |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2260 | |
| 2261 | if (_key_read(mmc, blk, cnt, addr)) { |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2262 | printf("%s: block # %#llx,cnt # %#llx ERROR!\n", __func__, blk, cnt); |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2263 | ret = -2; |
| 2264 | } |
| 2265 | /* fixme, update the invalid one - key1 */ |
| 2266 | blk = (key_glb_offset + (valid_flag % 2) * vpart->size) / MMC_BLOCK_SIZE; |
| 2267 | if (_key_write(mmc, blk, cnt, addr)) { |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2268 | printf("%s: block # %#llx,cnt # %#llx ERROR!\n", __func__, blk, cnt); |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2269 | ret = -4; |
| 2270 | } |
| 2271 | |
| 2272 | memcpy(checksum_info, &key_infos[valid_flag - 1], sizeof(struct aml_key_info)); |
| 2273 | blk = (key_glb_offset + 2 * (vpart->size)) / MMC_BLOCK_SIZE + valid_flag % 2; |
| 2274 | if (_key_write(mmc, blk, 1, checksum_info)) { |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2275 | printf("%s: block # %#llx,cnt # %#llx ERROR!\n", __func__, blk, cnt); |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2276 | ret = -4; |
| 2277 | } |
| 2278 | |
| 2279 | return ret; |
| 2280 | } |
| 2281 | |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2282 | static int update_invalid_key(struct mmc *mmc, void *addr, unsigned int size, int valid_flag) |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2283 | { |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2284 | int ret = 0; |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2285 | |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2286 | printf("update key%d\n", (valid_flag == 2) ? 1 : 2); |
| 2287 | ret = write_invalid_key(mmc, addr, size, valid_flag); |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2288 | |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2289 | return ret; |
| 2290 | } |
| 2291 | |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2292 | int update_old_key(struct mmc *mmc, void *addr, unsigned int size) |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2293 | { |
| 2294 | int ret = 0; |
| 2295 | int valid_flag; |
| 2296 | |
| 2297 | if (stamp_after(key_infos[1].stamp, key_infos[0].stamp)) { |
| 2298 | memcpy(&key_infos[1], &key_infos[0], sizeof(struct aml_key_info)); |
| 2299 | valid_flag = 2; |
| 2300 | } else if (stamp_after(key_infos[0].stamp, key_infos[1].stamp)) { |
| 2301 | memcpy(&key_infos[0], &key_infos[1], sizeof(struct aml_key_info)); |
| 2302 | valid_flag = 1; |
| 2303 | } else { |
| 2304 | printf("do nothing\n"); |
| 2305 | return ret; |
| 2306 | } |
| 2307 | |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2308 | ret = write_invalid_key(mmc, addr, size, valid_flag); |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2309 | /*update key*/ |
| 2310 | if (ret) |
| 2311 | ret = -3; |
| 2312 | mmc->key_stamp = key_infos[0].stamp; |
| 2313 | return ret; |
| 2314 | } |
| 2315 | |
| 2316 | static struct mmc *_rsv_init(void) |
| 2317 | { |
| 2318 | struct mmc *mmc = find_mmc_device(STORAGE_EMMC); |
| 2319 | if (!mmc) { |
| 2320 | printf("not find mmc\n"); |
| 2321 | return NULL; |
| 2322 | } |
| 2323 | |
| 2324 | if (mmc_init(mmc)) { |
| 2325 | printf("mmc init failed\n"); |
| 2326 | return NULL; |
| 2327 | } |
| 2328 | |
| 2329 | return mmc; |
| 2330 | } |
| 2331 | |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2332 | int mmc_key_write_backup(const char *name, unsigned char *addr, unsigned int size) |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2333 | { |
| 2334 | int ret = 0; |
| 2335 | u64 blk, cnt, key_glb_offset; |
| 2336 | int cpy; |
| 2337 | struct mmc * mmc; |
| 2338 | struct partitions * part = NULL; |
| 2339 | struct virtual_partition *vpart = NULL; |
| 2340 | char checksum_info[512] = {0}; |
| 2341 | |
| 2342 | vpart = aml_get_virtual_partition_by_name(MMC_KEY_NAME); |
| 2343 | part = aml_get_partition_by_name(MMC_RESERVED_NAME); |
| 2344 | key_glb_offset = part->offset + vpart->offset; |
| 2345 | |
| 2346 | mmc = _rsv_init(); |
| 2347 | if (mmc == NULL) |
| 2348 | return -10; |
| 2349 | |
| 2350 | key_infos[0].stamp = mmc->key_stamp + 1; |
| 2351 | key_infos[0].magic = 9; |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2352 | key_infos[0].checksum = _calc_key_checksum(addr, size); |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2353 | printf("new stamp %d, checksum 0x%llx, magic %d\n", |
| 2354 | key_infos[0].stamp, key_infos[0].checksum, key_infos[0].magic); |
| 2355 | |
| 2356 | memcpy(checksum_info, &key_infos[0], sizeof(struct aml_key_info)); |
| 2357 | |
| 2358 | for (cpy = 0; cpy < KEY_COPIES; cpy++) { |
| 2359 | blk = (key_glb_offset + cpy * (vpart->size)) / MMC_BLOCK_SIZE; |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2360 | cnt = size / mmc->read_bl_len; |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2361 | ret |= _key_write(mmc, blk, cnt, addr); |
| 2362 | |
| 2363 | blk = (key_glb_offset + 2 * (vpart->size)) / MMC_BLOCK_SIZE + cpy; |
| 2364 | ret |= _key_write(mmc, blk, 1, checksum_info); |
| 2365 | } |
| 2366 | |
| 2367 | if (ret) { |
| 2368 | printf("%s() %d: emmc init %d\n", __func__, __LINE__, ret); |
| 2369 | ret = -2; |
| 2370 | } |
| 2371 | |
| 2372 | return ret; |
| 2373 | } |
| 2374 | |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2375 | int mmc_key_read_backup(const char *name, unsigned char *addr, unsigned int size) |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2376 | { |
| 2377 | int valid = 0; |
| 2378 | struct mmc *mmc; |
| 2379 | |
| 2380 | mmc = _rsv_init(); |
| 2381 | if (mmc == NULL) |
| 2382 | return -10; |
| 2383 | |
| 2384 | /* check valid key flag , addr save the first key content */ |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2385 | valid = update_key_info(mmc, addr, size); |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2386 | switch (valid) { |
| 2387 | /* none is valid, using the 1st one for compatibility*/ |
| 2388 | case 0: |
| 2389 | goto _out; |
| 2390 | break; |
| 2391 | /* only first is valid, using the first update the second */ |
| 2392 | case 1: |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2393 | update_invalid_key(mmc, addr, size, 1); |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2394 | break; |
| 2395 | /* only second is valid, using the second */ |
| 2396 | case 2: |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2397 | update_invalid_key(mmc, addr, size, 2); |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2398 | break; |
| 2399 | case 3: |
| 2400 | /*update the old key */ |
jinbiao | 0cd5716 | 2024-04-09 08:23:25 +0000 | [diff] [blame] | 2401 | update_old_key(mmc, addr, size); |
Ruixuan.li | fd943de | 2024-01-19 15:48:40 +0800 | [diff] [blame] | 2402 | break; |
| 2403 | default: |
| 2404 | printf("impossible valid values.\n"); |
| 2405 | BUG(); |
| 2406 | break; |
| 2407 | } |
| 2408 | _out: |
| 2409 | return 0; |
| 2410 | } |
| 2411 | |