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disk/part_efi.c
32.3 KB
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// SPDX-License-Identifier: GPL-2.0+ |
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/* * Copyright (C) 2008 RuggedCom, Inc. * Richard Retanubun <RichardRetanubun@RuggedCom.com> |
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*/ /* |
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* NOTE: * when CONFIG_SYS_64BIT_LBA is not defined, lbaint_t is 32 bits; this * limits the maximum size of addressable storage to < 2 Terra Bytes |
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*/ |
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#include <asm/unaligned.h> |
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#include <common.h> #include <command.h> |
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#include <fdtdec.h> |
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#include <ide.h> #include <malloc.h> |
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#include <memalign.h> |
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#include <part_efi.h> |
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#include <linux/compiler.h> |
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#include <linux/ctype.h> |
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#include <u-boot/crc.h> |
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DECLARE_GLOBAL_DATA_PTR; |
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/* * GUID for basic data partions. */ static const efi_guid_t partition_basic_data_guid = PARTITION_BASIC_DATA_GUID; |
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#ifdef CONFIG_HAVE_BLOCK_DEVICE |
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/** * efi_crc32() - EFI version of crc32 function * @buf: buffer to calculate crc32 of * @len - length of buf * * Description: Returns EFI-style CRC32 value for @buf */ |
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static inline u32 efi_crc32(const void *buf, u32 len) |
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{ return crc32(0, buf, len); } /* * Private function prototypes */ static int pmbr_part_valid(struct partition *part); static int is_pmbr_valid(legacy_mbr * mbr); |
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static int is_gpt_valid(struct blk_desc *dev_desc, u64 lba, |
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gpt_header *pgpt_head, gpt_entry **pgpt_pte); |
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static gpt_entry *alloc_read_gpt_entries(struct blk_desc *dev_desc, gpt_header *pgpt_head); |
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static int is_pte_valid(gpt_entry * pte); |
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static int find_valid_gpt(struct blk_desc *dev_desc, gpt_header *gpt_head, gpt_entry **pgpt_pte); |
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static char *print_efiname(gpt_entry *pte) { static char name[PARTNAME_SZ + 1]; int i; for (i = 0; i < PARTNAME_SZ; i++) { u8 c; c = pte->partition_name[i] & 0xff; c = (c && !isprint(c)) ? '.' : c; name[i] = c; } name[PARTNAME_SZ] = 0; return name; } |
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static const efi_guid_t system_guid = PARTITION_SYSTEM_GUID; |
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static inline int is_bootable(gpt_entry *p) { return p->attributes.fields.legacy_bios_bootable || !memcmp(&(p->partition_type_guid), &system_guid, sizeof(efi_guid_t)); } |
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static int validate_gpt_header(gpt_header *gpt_h, lbaint_t lba, lbaint_t lastlba) { uint32_t crc32_backup = 0; uint32_t calc_crc32; /* Check the GPT header signature */ |
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if (le64_to_cpu(gpt_h->signature) != GPT_HEADER_SIGNATURE_UBOOT) { |
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printf("%s signature is wrong: 0x%llX != 0x%llX ", "GUID Partition Table Header", le64_to_cpu(gpt_h->signature), |
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GPT_HEADER_SIGNATURE_UBOOT); |
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return -1; } /* Check the GUID Partition Table CRC */ memcpy(&crc32_backup, &gpt_h->header_crc32, sizeof(crc32_backup)); memset(&gpt_h->header_crc32, 0, sizeof(gpt_h->header_crc32)); calc_crc32 = efi_crc32((const unsigned char *)gpt_h, le32_to_cpu(gpt_h->header_size)); memcpy(&gpt_h->header_crc32, &crc32_backup, sizeof(crc32_backup)); if (calc_crc32 != le32_to_cpu(crc32_backup)) { printf("%s CRC is wrong: 0x%x != 0x%x ", "GUID Partition Table Header", le32_to_cpu(crc32_backup), calc_crc32); return -1; } /* * Check that the my_lba entry points to the LBA that contains the GPT */ if (le64_to_cpu(gpt_h->my_lba) != lba) { printf("GPT: my_lba incorrect: %llX != " LBAF " ", le64_to_cpu(gpt_h->my_lba), lba); return -1; } /* * Check that the first_usable_lba and that the last_usable_lba are * within the disk. */ if (le64_to_cpu(gpt_h->first_usable_lba) > lastlba) { printf("GPT: first_usable_lba incorrect: %llX > " LBAF " ", le64_to_cpu(gpt_h->first_usable_lba), lastlba); return -1; } if (le64_to_cpu(gpt_h->last_usable_lba) > lastlba) { printf("GPT: last_usable_lba incorrect: %llX > " LBAF " ", le64_to_cpu(gpt_h->last_usable_lba), lastlba); return -1; } debug("GPT: first_usable_lba: %llX last_usable_lba: %llX last lba: " LBAF " ", le64_to_cpu(gpt_h->first_usable_lba), le64_to_cpu(gpt_h->last_usable_lba), lastlba); return 0; } |
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static void prepare_last_lba_gpt_header(struct blk_desc *dev_desc, gpt_header *gpt_h) { uint32_t calc_crc32; uint64_t val; /* recalculate the values for the Backup GPT Header */ val = le64_to_cpu(gpt_h->my_lba); gpt_h->my_lba = cpu_to_le64(dev_desc->lba - 1);; gpt_h->alternate_lba = cpu_to_le64(val); gpt_h->last_usable_lba = cpu_to_le64(dev_desc->lba - 34); gpt_h->partition_entry_lba = cpu_to_le64(le64_to_cpu(gpt_h->last_usable_lba) + 1); gpt_h->header_crc32 = 0; calc_crc32 = efi_crc32((const unsigned char *)gpt_h, le32_to_cpu(gpt_h->header_size)); gpt_h->header_crc32 = cpu_to_le32(calc_crc32); } |
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static int validate_gpt_entries(gpt_header *gpt_h, gpt_entry *gpt_e) { uint32_t calc_crc32; /* Check the GUID Partition Table Entry Array CRC */ calc_crc32 = efi_crc32((const unsigned char *)gpt_e, le32_to_cpu(gpt_h->num_partition_entries) * le32_to_cpu(gpt_h->sizeof_partition_entry)); if (calc_crc32 != le32_to_cpu(gpt_h->partition_entry_array_crc32)) { |
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debug("%s: 0x%x != 0x%x ", |
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"GUID Partition Table Entry Array CRC is wrong", le32_to_cpu(gpt_h->partition_entry_array_crc32), calc_crc32); return -1; } return 0; } static void prepare_backup_gpt_header(gpt_header *gpt_h) { uint32_t calc_crc32; uint64_t val; /* recalculate the values for the Backup GPT Header */ val = le64_to_cpu(gpt_h->my_lba); gpt_h->my_lba = gpt_h->alternate_lba; gpt_h->alternate_lba = cpu_to_le64(val); |
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gpt_h->partition_entry_lba = cpu_to_le64(le64_to_cpu(gpt_h->last_usable_lba) + 1); |
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gpt_h->header_crc32 = 0; calc_crc32 = efi_crc32((const unsigned char *)gpt_h, le32_to_cpu(gpt_h->header_size)); gpt_h->header_crc32 = cpu_to_le32(calc_crc32); } |
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#if CONFIG_IS_ENABLED(EFI_PARTITION) |
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/* * Public Functions (include/part.h) */ |
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/* * UUID is displayed as 32 hexadecimal digits, in 5 groups, * separated by hyphens, in the form 8-4-4-4-12 for a total of 36 characters */ int get_disk_guid(struct blk_desc * dev_desc, char *guid) { ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_head, 1, dev_desc->blksz); gpt_entry *gpt_pte = NULL; unsigned char *guid_bin; /* This function validates AND fills in the GPT header and PTE */ |
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if (find_valid_gpt(dev_desc, gpt_head, &gpt_pte) != 1) return -EINVAL; |
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guid_bin = gpt_head->disk_guid.b; uuid_bin_to_str(guid_bin, guid, UUID_STR_FORMAT_GUID); |
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/* Remember to free pte */ free(gpt_pte); |
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return 0; } |
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void part_print_efi(struct blk_desc *dev_desc) |
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{ |
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ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_head, 1, dev_desc->blksz); |
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gpt_entry *gpt_pte = NULL; |
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int i = 0; |
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char uuid[UUID_STR_LEN + 1]; |
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unsigned char *uuid_bin; |
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/* This function validates AND fills in the GPT header and PTE */ |
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if (find_valid_gpt(dev_desc, gpt_head, &gpt_pte) != 1) return; |
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debug("%s: gpt-entry at %p ", __func__, gpt_pte); |
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printf("Part\tStart LBA\tEnd LBA\t\tName "); |
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printf("\tAttributes "); |
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printf("\tType GUID "); printf("\tPartition GUID "); |
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for (i = 0; i < le32_to_cpu(gpt_head->num_partition_entries); i++) { |
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/* Stop at the first non valid PTE */ if (!is_pte_valid(&gpt_pte[i])) break; |
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printf("%3d\t0x%08llx\t0x%08llx\t\"%s\" ", (i + 1), |
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le64_to_cpu(gpt_pte[i].starting_lba), le64_to_cpu(gpt_pte[i].ending_lba), |
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print_efiname(&gpt_pte[i])); |
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printf("\tattrs:\t0x%016llx ", gpt_pte[i].attributes.raw); |
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uuid_bin = (unsigned char *)gpt_pte[i].partition_type_guid.b; |
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uuid_bin_to_str(uuid_bin, uuid, UUID_STR_FORMAT_GUID); |
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printf("\ttype:\t%s ", uuid); |
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#ifdef CONFIG_PARTITION_TYPE_GUID if (!uuid_guid_get_str(uuid_bin, uuid)) printf("\ttype:\t%s ", uuid); #endif |
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uuid_bin = (unsigned char *)gpt_pte[i].unique_partition_guid.b; |
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uuid_bin_to_str(uuid_bin, uuid, UUID_STR_FORMAT_GUID); printf("\tguid:\t%s ", uuid); |
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} |
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#if !defined(CONFIG_DUAL_BOOTLOADER) || !defined(CONFIG_SPL_BUILD) |
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/* Remember to free pte */ |
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free(gpt_pte); |
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#endif |
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return; } |
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int part_get_info_efi(struct blk_desc *dev_desc, int part, disk_partition_t *info) |
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{ |
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ALLOC_CACHE_ALIGN_BUFFER_PAD(gpt_header, gpt_head, 1, dev_desc->blksz); |
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gpt_entry *gpt_pte = NULL; |
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/* "part" argument must be at least 1 */ |
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if (part < 1) { |
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printf("%s: Invalid Argument(s) ", __func__); |
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return -1; } /* This function validates AND fills in the GPT header and PTE */ |
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if (find_valid_gpt(dev_desc, gpt_head, &gpt_pte) != 1) return -1; |
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if (part > le32_to_cpu(gpt_head->num_partition_entries) || |
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!is_pte_valid(&gpt_pte[part - 1])) { |
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debug("%s: *** ERROR: Invalid partition number %d *** ", |
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__func__, part); |
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#if !defined(CONFIG_DUAL_BOOTLOADER) || !defined(CONFIG_SPL_BUILD) |
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free(gpt_pte); |
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#endif |
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return -1; } |
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/* The 'lbaint_t' casting may limit the maximum disk size to 2 TB */ info->start = (lbaint_t)le64_to_cpu(gpt_pte[part - 1].starting_lba); |
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/* The ending LBA is inclusive, to calculate size, add 1 to it */ |
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info->size = (lbaint_t)le64_to_cpu(gpt_pte[part - 1].ending_lba) + 1 |
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- info->start; |
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info->blksz = dev_desc->blksz; |
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snprintf((char *)info->name, sizeof(info->name), "%s", print_efiname(&gpt_pte[part - 1])); |
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strcpy((char *)info->type, "U-Boot"); |
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info->bootable = is_bootable(&gpt_pte[part - 1]); |
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#if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
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uuid_bin_to_str(gpt_pte[part - 1].unique_partition_guid.b, info->uuid, UUID_STR_FORMAT_GUID); |
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#endif |
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#ifdef CONFIG_PARTITION_TYPE_GUID uuid_bin_to_str(gpt_pte[part - 1].partition_type_guid.b, info->type_guid, UUID_STR_FORMAT_GUID); #endif |
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debug("%s: start 0x" LBAF ", size 0x" LBAF ", name %s ", __func__, |
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info->start, info->size, info->name); |
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#if !defined(CONFIG_DUAL_BOOTLOADER) || !defined(CONFIG_SPL_BUILD) /* Heap memory is very limited in SPL, if the dual bootloader is * enabled, just load pte to dram instead of oc-ram. In such case, * this part of memory shouldn't be freed. But in common routine, * don't forget to free the memory after use. */ |
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free(gpt_pte); |
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#endif |
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return 0; } |
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static int part_test_efi(struct blk_desc *dev_desc) |
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{ |
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ALLOC_CACHE_ALIGN_BUFFER_PAD(legacy_mbr, legacymbr, 1, dev_desc->blksz); |
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/* Read legacy MBR from block 0 and validate it */ |
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if ((blk_dread(dev_desc, 0, 1, (ulong *)legacymbr) != 1) |
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|| (is_pmbr_valid(legacymbr) != 1)) { |
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return -1; } return 0; } |
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/** * set_protective_mbr(): Set the EFI protective MBR * @param dev_desc - block device descriptor * * @return - zero on success, otherwise error */ |
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static int set_protective_mbr(struct blk_desc *dev_desc) |
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{ |
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/* Setup the Protective MBR */ |
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ALLOC_CACHE_ALIGN_BUFFER_PAD(legacy_mbr, p_mbr, 1, dev_desc->blksz); |
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if (p_mbr == NULL) { printf("%s: calloc failed! ", __func__); return -1; } |
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/* Read MBR to backup boot code if it exists */ if (blk_dread(dev_desc, 0, 1, p_mbr) != 1) { |
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pr_err("** Can't read from device %d ** ", dev_desc->devnum); |
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return -1; } |
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/* Clear all data in MBR except of backed up boot code */ memset((char *)p_mbr + MSDOS_MBR_BOOT_CODE_SIZE, 0, sizeof(*p_mbr) - MSDOS_MBR_BOOT_CODE_SIZE); |
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/* Append signature */ p_mbr->signature = MSDOS_MBR_SIGNATURE; p_mbr->partition_record[0].sys_ind = EFI_PMBR_OSTYPE_EFI_GPT; p_mbr->partition_record[0].start_sect = 1; |
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p_mbr->partition_record[0].nr_sects = (u32) dev_desc->lba - 1; |
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/* Write MBR sector to the MMC device */ |
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if (blk_dwrite(dev_desc, 0, 1, p_mbr) != 1) { |
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printf("** Can't write to device %d ** ", |
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dev_desc->devnum); |
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return -1; } |
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return 0; } |
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int write_gpt_table(struct blk_desc *dev_desc, |
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gpt_header *gpt_h, gpt_entry *gpt_e) { |
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const int pte_blk_cnt = BLOCK_CNT((gpt_h->num_partition_entries * sizeof(gpt_entry)), dev_desc); |
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u32 calc_crc32; |
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debug("max lba: %x ", (u32) dev_desc->lba); /* Setup the Protective MBR */ if (set_protective_mbr(dev_desc) < 0) goto err; /* Generate CRC for the Primary GPT Header */ calc_crc32 = efi_crc32((const unsigned char *)gpt_e, le32_to_cpu(gpt_h->num_partition_entries) * le32_to_cpu(gpt_h->sizeof_partition_entry)); gpt_h->partition_entry_array_crc32 = cpu_to_le32(calc_crc32); calc_crc32 = efi_crc32((const unsigned char *)gpt_h, le32_to_cpu(gpt_h->header_size)); gpt_h->header_crc32 = cpu_to_le32(calc_crc32); /* Write the First GPT to the block right after the Legacy MBR */ |
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if (blk_dwrite(dev_desc, 1, 1, gpt_h) != 1) |
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goto err; |
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if (blk_dwrite(dev_desc, le64_to_cpu(gpt_h->partition_entry_lba), pte_blk_cnt, gpt_e) != pte_blk_cnt) |
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goto err; |
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prepare_backup_gpt_header(gpt_h); |
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if (blk_dwrite(dev_desc, (lbaint_t)le64_to_cpu(gpt_h->last_usable_lba) + 1, pte_blk_cnt, gpt_e) != pte_blk_cnt) |
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goto err; |
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if (blk_dwrite(dev_desc, (lbaint_t)le64_to_cpu(gpt_h->my_lba), 1, gpt_h) != 1) |
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goto err; debug("GPT successfully written to block device! "); return 0; err: |
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printf("** Can't write to device %d ** ", dev_desc->devnum); |
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return -1; } |
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int gpt_fill_pte(struct blk_desc *dev_desc, gpt_header *gpt_h, gpt_entry *gpt_e, disk_partition_t *partitions, int parts) |
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{ |
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lbaint_t offset = (lbaint_t)le64_to_cpu(gpt_h->first_usable_lba); |
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lbaint_t last_usable_lba = (lbaint_t) le64_to_cpu(gpt_h->last_usable_lba); |
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int i, k; |
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size_t efiname_len, dosname_len; |
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#if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
40684ddb8
|
449 |
char *str_uuid; |
a96a0e615
|
450 |
unsigned char *bin_uuid; |
40684ddb8
|
451 |
#endif |
7561b258a
|
452 453 454 455 |
#ifdef CONFIG_PARTITION_TYPE_GUID char *str_type_guid; unsigned char *bin_type_guid; #endif |
79c5912e8
|
456 457 458 459 460 461 462 |
size_t hdr_start = gpt_h->my_lba; size_t hdr_end = hdr_start + 1; size_t pte_start = gpt_h->partition_entry_lba; size_t pte_end = pte_start + gpt_h->num_partition_entries * gpt_h->sizeof_partition_entry / dev_desc->blksz; |
40684ddb8
|
463 464 465 |
for (i = 0; i < parts; i++) { /* partition starting lba */ |
5276e8b62
|
466 467 |
lbaint_t start = partitions[i].start; lbaint_t size = partitions[i].size; |
40684ddb8
|
468 |
if (start) { |
5276e8b62
|
469 |
offset = start + size; |
40684ddb8
|
470 |
} else { |
79c5912e8
|
471 |
start = offset; |
5276e8b62
|
472 |
offset += size; |
40684ddb8
|
473 |
} |
79c5912e8
|
474 475 476 477 478 |
/* * If our partition overlaps with either the GPT * header, or the partition entry, reject it. */ |
ae0e0228e
|
479 480 |
if (((start < hdr_end && hdr_start < (start + size)) || (start < pte_end && pte_start < (start + size)))) { |
79c5912e8
|
481 482 483 484 485 486 |
printf("Partition overlap "); return -1; } gpt_e[i].starting_lba = cpu_to_le64(start); |
a56538676
|
487 |
if (offset > (last_usable_lba + 1)) { |
40684ddb8
|
488 489 490 491 492 |
printf("Partitions layout exceds disk size "); return -1; } /* partition ending lba */ |
5276e8b62
|
493 |
if ((i == parts - 1) && (size == 0)) |
40684ddb8
|
494 495 496 497 |
/* extend the last partition to maximuim */ gpt_e[i].ending_lba = gpt_h->last_usable_lba; else gpt_e[i].ending_lba = cpu_to_le64(offset - 1); |
7561b258a
|
498 499 500 501 502 503 504 505 506 507 508 509 510 511 |
#ifdef CONFIG_PARTITION_TYPE_GUID str_type_guid = partitions[i].type_guid; bin_type_guid = gpt_e[i].partition_type_guid.b; if (strlen(str_type_guid)) { if (uuid_str_to_bin(str_type_guid, bin_type_guid, UUID_STR_FORMAT_GUID)) { printf("Partition no. %d: invalid type guid: %s ", i, str_type_guid); return -1; } } else { /* default partition type GUID */ memcpy(bin_type_guid, |
44ab2d325
|
512 |
&partition_basic_data_guid, 16); |
7561b258a
|
513 514 |
} #else |
40684ddb8
|
515 516 |
/* partition type GUID */ memcpy(gpt_e[i].partition_type_guid.b, |
44ab2d325
|
517 |
&partition_basic_data_guid, 16); |
7561b258a
|
518 |
#endif |
40684ddb8
|
519 |
|
b331cd620
|
520 |
#if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
40684ddb8
|
521 |
str_uuid = partitions[i].uuid; |
a96a0e615
|
522 |
bin_uuid = gpt_e[i].unique_partition_guid.b; |
9da52f8f6
|
523 |
if (uuid_str_to_bin(str_uuid, bin_uuid, UUID_STR_FORMAT_GUID)) { |
40684ddb8
|
524 525 526 527 528 529 530 531 532 533 |
printf("Partition no. %d: invalid guid: %s ", i, str_uuid); return -1; } #endif /* partition attributes */ memset(&gpt_e[i].attributes, 0, sizeof(gpt_entry_attributes)); |
cfdaf4caa
|
534 535 |
if (partitions[i].bootable) gpt_e[i].attributes.fields.legacy_bios_bootable = 1; |
40684ddb8
|
536 |
/* partition name */ |
67cd4a634
|
537 |
efiname_len = sizeof(gpt_e[i].partition_name) |
40684ddb8
|
538 |
/ sizeof(efi_char16_t); |
67cd4a634
|
539 540 541 542 543 544 |
dosname_len = sizeof(partitions[i].name); memset(gpt_e[i].partition_name, 0, sizeof(gpt_e[i].partition_name)); for (k = 0; k < min(dosname_len, efiname_len); k++) |
40684ddb8
|
545 546 |
gpt_e[i].partition_name[k] = (efi_char16_t)(partitions[i].name[k]); |
e04350d29
|
547 548 549 |
debug("%s: name: %s offset[%d]: 0x" LBAF " size[%d]: 0x" LBAF " ", |
40684ddb8
|
550 |
__func__, partitions[i].name, i, |
5276e8b62
|
551 |
offset, i, size); |
40684ddb8
|
552 553 554 555 |
} return 0; } |
02e43537b
|
556 557 558 |
static uint32_t partition_entries_offset(struct blk_desc *dev_desc) { uint32_t offset_blks = 2; |
89d33a2c0
|
559 |
uint32_t __maybe_unused offset_bytes; |
02e43537b
|
560 561 562 563 564 565 566 567 568 569 570 |
int __maybe_unused config_offset; #if defined(CONFIG_EFI_PARTITION_ENTRIES_OFF) /* * Some architectures require their SPL loader at a fixed * address within the first 16KB of the disk. To avoid an * overlap with the partition entries of the EFI partition * table, the first safe offset (in bytes, from the start of * the disk) for the entries can be set in * CONFIG_EFI_PARTITION_ENTRIES_OFF. */ |
89d33a2c0
|
571 |
offset_bytes = |
02e43537b
|
572 |
PAD_TO_BLOCKSIZE(CONFIG_EFI_PARTITION_ENTRIES_OFF, dev_desc); |
89d33a2c0
|
573 |
offset_blks = offset_bytes / dev_desc->blksz; |
02e43537b
|
574 575 576 577 578 579 580 581 582 583 584 |
#endif #if defined(CONFIG_OF_CONTROL) /* * Allow the offset of the first partition entires (in bytes * from the start of the device) to be specified as a property * of the device tree '/config' node. */ config_offset = fdtdec_get_config_int(gd->fdt_blob, "u-boot,efi-partition-entries-offset", -EINVAL); |
89d33a2c0
|
585 586 587 588 |
if (config_offset != -EINVAL) { offset_bytes = PAD_TO_BLOCKSIZE(config_offset, dev_desc); offset_blks = offset_bytes / dev_desc->blksz; } |
02e43537b
|
589 590 591 592 593 594 595 596 597 598 599 600 601 602 |
#endif debug("efi: partition entries offset (in blocks): %d ", offset_blks); /* * The earliest LBA this can be at is LBA#2 (i.e. right behind * the (protective) MBR and the GPT header. */ if (offset_blks < 2) offset_blks = 2; return offset_blks; } |
4101f6879
|
603 |
int gpt_fill_header(struct blk_desc *dev_desc, gpt_header *gpt_h, |
40684ddb8
|
604 605 |
char *str_guid, int parts_count) { |
67b905226
|
606 |
gpt_h->signature = cpu_to_le64(GPT_HEADER_SIGNATURE_UBOOT); |
40684ddb8
|
607 608 609 610 |
gpt_h->revision = cpu_to_le32(GPT_HEADER_REVISION_V1); gpt_h->header_size = cpu_to_le32(sizeof(gpt_header)); gpt_h->my_lba = cpu_to_le64(1); gpt_h->alternate_lba = cpu_to_le64(dev_desc->lba - 1); |
40684ddb8
|
611 |
gpt_h->last_usable_lba = cpu_to_le64(dev_desc->lba - 34); |
02e43537b
|
612 613 614 615 |
gpt_h->partition_entry_lba = cpu_to_le64(partition_entries_offset(dev_desc)); gpt_h->first_usable_lba = cpu_to_le64(le64_to_cpu(gpt_h->partition_entry_lba) + 32); |
40684ddb8
|
616 617 618 619 |
gpt_h->num_partition_entries = cpu_to_le32(GPT_ENTRY_NUMBERS); gpt_h->sizeof_partition_entry = cpu_to_le32(sizeof(gpt_entry)); gpt_h->header_crc32 = 0; gpt_h->partition_entry_array_crc32 = 0; |
d718ded05
|
620 |
if (uuid_str_to_bin(str_guid, gpt_h->disk_guid.b, UUID_STR_FORMAT_GUID)) |
40684ddb8
|
621 622 623 624 |
return -1; return 0; } |
4101f6879
|
625 |
int gpt_restore(struct blk_desc *dev_desc, char *str_disk_guid, |
40684ddb8
|
626 627 |
disk_partition_t *partitions, int parts_count) { |
bb021013b
|
628 |
gpt_header *gpt_h; |
ae1768a72
|
629 |
gpt_entry *gpt_e; |
bb021013b
|
630 |
int ret, size; |
ae1768a72
|
631 |
|
bb021013b
|
632 633 |
size = PAD_TO_BLOCKSIZE(sizeof(gpt_header), dev_desc); gpt_h = malloc_cache_aligned(size); |
40684ddb8
|
634 635 636 637 638 |
if (gpt_h == NULL) { printf("%s: calloc failed! ", __func__); return -1; } |
bb021013b
|
639 |
memset(gpt_h, 0, size); |
40684ddb8
|
640 |
|
bb021013b
|
641 642 643 |
size = PAD_TO_BLOCKSIZE(GPT_ENTRY_NUMBERS * sizeof(gpt_entry), dev_desc); gpt_e = malloc_cache_aligned(size); |
40684ddb8
|
644 645 646 647 648 649 |
if (gpt_e == NULL) { printf("%s: calloc failed! ", __func__); free(gpt_h); return -1; } |
bb021013b
|
650 |
memset(gpt_e, 0, size); |
40684ddb8
|
651 652 653 654 655 656 657 |
/* Generate Primary GPT header (LBA1) */ ret = gpt_fill_header(dev_desc, gpt_h, str_disk_guid, parts_count); if (ret) goto err; /* Generate partition entries */ |
47d7ee47b
|
658 |
ret = gpt_fill_pte(dev_desc, gpt_h, gpt_e, partitions, parts_count); |
40684ddb8
|
659 660 661 662 663 664 665 666 667 668 669 |
if (ret) goto err; /* Write GPT partition table */ ret = write_gpt_table(dev_desc, gpt_h, gpt_e); err: free(gpt_e); free(gpt_h); return ret; } |
0ff7e585d
|
670 |
|
06e921b18
|
671 672 673 674 675 676 677 678 679 680 |
/** * gpt_convert_efi_name_to_char() - convert u16 string to char string * * TODO: this conversion only supports ANSI characters * * @s: target buffer * @es: u16 string to be converted * @n: size of target buffer */ static void gpt_convert_efi_name_to_char(char *s, void *es, int n) |
cef68bf90
|
681 |
{ |
06e921b18
|
682 |
char *ess = es; |
cef68bf90
|
683 684 685 686 687 688 689 690 691 692 |
int i, j; memset(s, '\0', n); for (i = 0, j = 0; j < n; i += 2, j++) { s[j] = ess[i]; if (!ess[i]) return; } } |
4101f6879
|
693 |
int gpt_verify_headers(struct blk_desc *dev_desc, gpt_header *gpt_head, |
cef68bf90
|
694 695 696 697 698 699 700 701 702 703 704 705 706 707 |
gpt_entry **gpt_pte) { /* * This function validates AND * fills in the GPT header and PTE */ if (is_gpt_valid(dev_desc, GPT_PRIMARY_PARTITION_TABLE_LBA, gpt_head, gpt_pte) != 1) { printf("%s: *** ERROR: Invalid GPT *** ", __func__); return -1; } |
716f919d2
|
708 709 710 |
/* Free pte before allocating again */ free(*gpt_pte); |
cef68bf90
|
711 712 713 714 715 716 717 718 719 720 |
if (is_gpt_valid(dev_desc, (dev_desc->lba - 1), gpt_head, gpt_pte) != 1) { printf("%s: *** ERROR: Invalid Backup GPT *** ", __func__); return -1; } return 0; } |
4101f6879
|
721 |
int gpt_verify_partitions(struct blk_desc *dev_desc, |
cef68bf90
|
722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 |
disk_partition_t *partitions, int parts, gpt_header *gpt_head, gpt_entry **gpt_pte) { char efi_str[PARTNAME_SZ + 1]; u64 gpt_part_size; gpt_entry *gpt_e; int ret, i; ret = gpt_verify_headers(dev_desc, gpt_head, gpt_pte); if (ret) return ret; gpt_e = *gpt_pte; for (i = 0; i < parts; i++) { if (i == gpt_head->num_partition_entries) { |
9b643e312
|
738 739 |
pr_err("More partitions than allowed! "); |
cef68bf90
|
740 741 742 743 744 745 746 747 748 749 750 751 |
return -1; } /* Check if GPT and ENV partition names match */ gpt_convert_efi_name_to_char(efi_str, gpt_e[i].partition_name, PARTNAME_SZ + 1); debug("%s: part: %2d name - GPT: %16s, ENV: %16s ", __func__, i, efi_str, partitions[i].name); if (strncmp(efi_str, (char *)partitions[i].name, sizeof(partitions->name))) { |
9b643e312
|
752 753 |
pr_err("Partition name: %s does not match %s! ", |
cef68bf90
|
754 755 756 757 758 759 760 761 |
efi_str, (char *)partitions[i].name); return -1; } /* Check if GPT and ENV sizes match */ gpt_part_size = le64_to_cpu(gpt_e[i].ending_lba) - le64_to_cpu(gpt_e[i].starting_lba) + 1; debug("size(LBA) - GPT: %8llu, ENV: %8llu ", |
f8d6165d4
|
762 763 |
(unsigned long long)gpt_part_size, (unsigned long long)partitions[i].size); |
cef68bf90
|
764 765 |
if (le64_to_cpu(gpt_part_size) != partitions[i].size) { |
c2fdd3456
|
766 767 768 |
/* We do not check the extend partition size */ if ((i == parts - 1) && (partitions[i].size == 0)) continue; |
9b643e312
|
769 770 |
pr_err("Partition %s size: %llu does not match %llu! ", |
f8d6165d4
|
771 772 |
efi_str, (unsigned long long)gpt_part_size, (unsigned long long)partitions[i].size); |
cef68bf90
|
773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 |
return -1; } /* * Start address is optional - check only if provided * in '$partition' variable */ if (!partitions[i].start) { debug(" "); continue; } /* Check if GPT and ENV start LBAs match */ debug("start LBA - GPT: %8llu, ENV: %8llu ", le64_to_cpu(gpt_e[i].starting_lba), |
f8d6165d4
|
790 |
(unsigned long long)partitions[i].start); |
cef68bf90
|
791 792 |
if (le64_to_cpu(gpt_e[i].starting_lba) != partitions[i].start) { |
9b643e312
|
793 794 |
pr_err("Partition %s start: %llu does not match %llu! ", |
cef68bf90
|
795 |
efi_str, le64_to_cpu(gpt_e[i].starting_lba), |
f8d6165d4
|
796 |
(unsigned long long)partitions[i].start); |
cef68bf90
|
797 798 799 800 801 802 |
return -1; } } return 0; } |
4101f6879
|
803 |
int is_valid_gpt_buf(struct blk_desc *dev_desc, void *buf) |
0ff7e585d
|
804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 |
{ gpt_header *gpt_h; gpt_entry *gpt_e; /* determine start of GPT Header in the buffer */ gpt_h = buf + (GPT_PRIMARY_PARTITION_TABLE_LBA * dev_desc->blksz); if (validate_gpt_header(gpt_h, GPT_PRIMARY_PARTITION_TABLE_LBA, dev_desc->lba)) return -1; /* determine start of GPT Entries in the buffer */ gpt_e = buf + (le64_to_cpu(gpt_h->partition_entry_lba) * dev_desc->blksz); if (validate_gpt_entries(gpt_h, gpt_e)) return -1; return 0; } |
4101f6879
|
823 |
int write_mbr_and_gpt_partitions(struct blk_desc *dev_desc, void *buf) |
0ff7e585d
|
824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 |
{ gpt_header *gpt_h; gpt_entry *gpt_e; int gpt_e_blk_cnt; lbaint_t lba; int cnt; if (is_valid_gpt_buf(dev_desc, buf)) return -1; /* determine start of GPT Header in the buffer */ gpt_h = buf + (GPT_PRIMARY_PARTITION_TABLE_LBA * dev_desc->blksz); /* determine start of GPT Entries in the buffer */ gpt_e = buf + (le64_to_cpu(gpt_h->partition_entry_lba) * dev_desc->blksz); gpt_e_blk_cnt = BLOCK_CNT((le32_to_cpu(gpt_h->num_partition_entries) * le32_to_cpu(gpt_h->sizeof_partition_entry)), dev_desc); /* write MBR */ lba = 0; /* MBR is always at 0 */ cnt = 1; /* MBR (1 block) */ |
2a981dc2c
|
848 |
if (blk_dwrite(dev_desc, lba, cnt, buf) != cnt) { |
0ff7e585d
|
849 850 851 852 853 854 855 856 857 |
printf("%s: failed writing '%s' (%d blks at 0x" LBAF ") ", __func__, "MBR", cnt, lba); return 1; } /* write Primary GPT */ lba = GPT_PRIMARY_PARTITION_TABLE_LBA; cnt = 1; /* GPT Header (1 block) */ |
2a981dc2c
|
858 |
if (blk_dwrite(dev_desc, lba, cnt, gpt_h) != cnt) { |
0ff7e585d
|
859 860 861 862 863 864 865 866 |
printf("%s: failed writing '%s' (%d blks at 0x" LBAF ") ", __func__, "Primary GPT Header", cnt, lba); return 1; } lba = le64_to_cpu(gpt_h->partition_entry_lba); cnt = gpt_e_blk_cnt; |
2a981dc2c
|
867 |
if (blk_dwrite(dev_desc, lba, cnt, gpt_e) != cnt) { |
0ff7e585d
|
868 869 870 871 872 873 874 875 876 877 878 |
printf("%s: failed writing '%s' (%d blks at 0x" LBAF ") ", __func__, "Primary GPT Entries", cnt, lba); return 1; } prepare_backup_gpt_header(gpt_h); /* write Backup GPT */ lba = le64_to_cpu(gpt_h->partition_entry_lba); cnt = gpt_e_blk_cnt; |
2a981dc2c
|
879 |
if (blk_dwrite(dev_desc, lba, cnt, gpt_e) != cnt) { |
0ff7e585d
|
880 881 882 883 884 885 886 887 |
printf("%s: failed writing '%s' (%d blks at 0x" LBAF ") ", __func__, "Backup GPT Entries", cnt, lba); return 1; } lba = le64_to_cpu(gpt_h->my_lba); cnt = 1; /* GPT Header (1 block) */ |
2a981dc2c
|
888 |
if (blk_dwrite(dev_desc, lba, cnt, gpt_h) != cnt) { |
0ff7e585d
|
889 890 891 892 893 894 895 896 |
printf("%s: failed writing '%s' (%d blks at 0x" LBAF ") ", __func__, "Backup GPT Header", cnt, lba); return 1; } return 0; } |
a2018ab0d
|
897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 |
int write_backup_gpt_partitions(struct blk_desc *dev_desc, void *buf) { gpt_header *gpt_h; gpt_entry *gpt_e; int gpt_e_blk_cnt; lbaint_t lba; int cnt; if (is_valid_gpt_buf(dev_desc, buf)) return -1; /* determine start of GPT Header in the buffer */ gpt_h = buf + (GPT_PRIMARY_PARTITION_TABLE_LBA * dev_desc->blksz); /* determine start of GPT Entries in the buffer */ gpt_e = buf + (le64_to_cpu(gpt_h->partition_entry_lba) * dev_desc->blksz); gpt_e_blk_cnt = BLOCK_CNT((le32_to_cpu(gpt_h->num_partition_entries) * le32_to_cpu(gpt_h->sizeof_partition_entry)), dev_desc); /* write MBR */ lba = 0; /* MBR is always at 0 */ cnt = 1; /* MBR (1 block) */ if (blk_dwrite(dev_desc, lba, cnt, buf) != cnt) { printf("%s: failed writing '%s' (%d blks at 0x" LBAF ") ", __func__, "MBR", cnt, lba); return 1; } prepare_last_lba_gpt_header(dev_desc, gpt_h); /* write Backup GPT */ lba = le64_to_cpu(gpt_h->partition_entry_lba); cnt = gpt_e_blk_cnt; if (blk_dwrite(dev_desc, lba, cnt, gpt_e) != cnt) { printf("%s: failed writing '%s' (%d blks at 0x" LBAF ") ", __func__, "Backup GPT Entries", cnt, lba); return 1; } lba = le64_to_cpu(gpt_h->my_lba); cnt = 1; /* GPT Header (1 block) */ if (blk_dwrite(dev_desc, lba, cnt, gpt_h) != cnt) { printf("%s: failed writing '%s' (%d blks at 0x" LBAF ") ", __func__, "Backup GPT Header", cnt, lba); return 1; } return 0; } |
40684ddb8
|
952 |
#endif |
07f3d789b
|
953 954 955 956 957 958 959 960 961 962 963 |
/* * Private functions */ /* * pmbr_part_valid(): Check for EFI partition signature * * Returns: 1 if EFI GPT partition type is found. */ static int pmbr_part_valid(struct partition *part) { if (part->sys_ind == EFI_PMBR_OSTYPE_EFI_GPT && |
8faefadb7
|
964 |
get_unaligned_le32(&part->start_sect) == 1UL) { |
07f3d789b
|
965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 |
return 1; } return 0; } /* * is_pmbr_valid(): test Protective MBR for validity * * Returns: 1 if PMBR is valid, 0 otherwise. * Validity depends on two things: * 1) MSDOS signature is in the last two bytes of the MBR * 2) One partition of type 0xEE is found, checked by pmbr_part_valid() */ static int is_pmbr_valid(legacy_mbr * mbr) { int i = 0; |
fae2bf22a
|
982 |
if (!mbr || le16_to_cpu(mbr->signature) != MSDOS_MBR_SIGNATURE) |
07f3d789b
|
983 |
return 0; |
07f3d789b
|
984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 |
for (i = 0; i < 4; i++) { if (pmbr_part_valid(&mbr->partition_record[i])) { return 1; } } return 0; } /** * is_gpt_valid() - tests one GPT header and PTEs for validity * * lba is the logical block address of the GPT header to test * gpt is a GPT header ptr, filled on return. * ptes is a PTEs ptr, filled on return. * |
0557d46b6
|
1000 |
* Description: returns 1 if valid, 0 on error, 2 if ignored header |
07f3d789b
|
1001 1002 |
* If valid, returns pointers to PTEs. */ |
4101f6879
|
1003 |
static int is_gpt_valid(struct blk_desc *dev_desc, u64 lba, |
e04350d29
|
1004 |
gpt_header *pgpt_head, gpt_entry **pgpt_pte) |
07f3d789b
|
1005 |
{ |
b351ccf11
|
1006 |
/* Confirm valid arguments prior to allocation. */ |
07f3d789b
|
1007 |
if (!dev_desc || !pgpt_head) { |
df70b1c2e
|
1008 1009 |
printf("%s: Invalid Argument(s) ", __func__); |
07f3d789b
|
1010 1011 |
return 0; } |
3cc566117
|
1012 |
ALLOC_CACHE_ALIGN_BUFFER_PAD(legacy_mbr, mbr, 1, dev_desc->blksz); |
b351ccf11
|
1013 |
|
ff98cb905
|
1014 1015 1016 1017 1018 1019 |
/* Read MBR Header from device */ if (blk_dread(dev_desc, 0, 1, (ulong *)mbr) != 1) { printf("*** ERROR: Can't read MBR header *** "); return 0; } |
07f3d789b
|
1020 |
/* Read GPT Header from device */ |
2a981dc2c
|
1021 |
if (blk_dread(dev_desc, (lbaint_t)lba, 1, pgpt_head) != 1) { |
07f3d789b
|
1022 1023 1024 1025 |
printf("*** ERROR: Can't read GPT header *** "); return 0; } |
0557d46b6
|
1026 1027 1028 1029 1030 1031 |
/* Invalid but nothing to yell about. */ if (le64_to_cpu(pgpt_head->signature) == GPT_HEADER_CHROMEOS_IGNORE) { debug("ChromeOS 'IGNOREME' GPT header found and ignored "); return 2; } |
e1f6b0a02
|
1032 |
if (validate_gpt_header(pgpt_head, (lbaint_t)lba, dev_desc->lba)) |
07f3d789b
|
1033 |
return 0; |
07f3d789b
|
1034 |
|
ff98cb905
|
1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 |
if (dev_desc->sig_type == SIG_TYPE_NONE) { efi_guid_t empty = {}; if (memcmp(&pgpt_head->disk_guid, &empty, sizeof(empty))) { dev_desc->sig_type = SIG_TYPE_GUID; memcpy(&dev_desc->guid_sig, &pgpt_head->disk_guid, sizeof(empty)); } else if (mbr->unique_mbr_signature != 0) { dev_desc->sig_type = SIG_TYPE_MBR; dev_desc->mbr_sig = mbr->unique_mbr_signature; } } |
07f3d789b
|
1046 1047 1048 1049 1050 1051 1052 |
/* Read and allocate Partition Table Entries */ *pgpt_pte = alloc_read_gpt_entries(dev_desc, pgpt_head); if (*pgpt_pte == NULL) { printf("GPT: Failed to allocate memory for PTE "); return 0; } |
e1f6b0a02
|
1053 |
if (validate_gpt_entries(pgpt_head, *pgpt_pte)) { |
deb5ca802
|
1054 |
free(*pgpt_pte); |
07f3d789b
|
1055 1056 1057 1058 1059 1060 1061 1062 |
return 0; } /* We're done, all's well */ return 1; } /** |
20c568cae
|
1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 |
* find_valid_gpt() - finds a valid GPT header and PTEs * * gpt is a GPT header ptr, filled on return. * ptes is a PTEs ptr, filled on return. * * Description: returns 1 if found a valid gpt, 0 on error. * If valid, returns pointers to PTEs. */ static int find_valid_gpt(struct blk_desc *dev_desc, gpt_header *gpt_head, gpt_entry **pgpt_pte) { |
0557d46b6
|
1074 1075 1076 1077 1078 1079 1080 |
int r; r = is_gpt_valid(dev_desc, GPT_PRIMARY_PARTITION_TABLE_LBA, gpt_head, pgpt_pte); if (r != 1) { if (r != 2) |
a2018ab0d
|
1081 1082 |
debug("%s: *** ERROR: Invalid GPT *** ", __func__); |
0557d46b6
|
1083 1084 1085 |
if (is_gpt_valid(dev_desc, (dev_desc->lba - 1), gpt_head, pgpt_pte) != 1) { |
20c568cae
|
1086 1087 1088 1089 1090 |
printf("%s: *** ERROR: Invalid Backup GPT *** ", __func__); return 0; } |
0557d46b6
|
1091 |
if (r != 2) |
a2018ab0d
|
1092 1093 |
debug("%s: *** Using Backup GPT *** ", |
0557d46b6
|
1094 |
__func__); |
20c568cae
|
1095 1096 1097 1098 1099 |
} return 1; } /** |
07f3d789b
|
1100 1101 1102 1103 1104 1105 1106 1107 |
* alloc_read_gpt_entries(): reads partition entries from disk * @dev_desc * @gpt - GPT header * * Description: Returns ptes on success, NULL on error. * Allocates space for PTEs based on information found in @gpt. * Notes: remember to free pte when you're done! */ |
4101f6879
|
1108 1109 |
static gpt_entry *alloc_read_gpt_entries(struct blk_desc *dev_desc, gpt_header *pgpt_head) |
07f3d789b
|
1110 |
{ |
ae1768a72
|
1111 |
size_t count = 0, blk_cnt; |
7c4213f6a
|
1112 |
lbaint_t blk; |
07f3d789b
|
1113 1114 1115 |
gpt_entry *pte = NULL; if (!dev_desc || !pgpt_head) { |
df70b1c2e
|
1116 1117 |
printf("%s: Invalid Argument(s) ", __func__); |
07f3d789b
|
1118 1119 |
return NULL; } |
fae2bf22a
|
1120 1121 |
count = le32_to_cpu(pgpt_head->num_partition_entries) * le32_to_cpu(pgpt_head->sizeof_partition_entry); |
07f3d789b
|
1122 |
|
5afb8d151
|
1123 1124 |
debug("%s: count = %u * %u = %lu ", __func__, |
fae2bf22a
|
1125 |
(u32) le32_to_cpu(pgpt_head->num_partition_entries), |
5afb8d151
|
1126 1127 |
(u32) le32_to_cpu(pgpt_head->sizeof_partition_entry), (ulong)count); |
07f3d789b
|
1128 |
|
ed915f7d4
|
1129 1130 1131 1132 1133 1134 |
/* Allocate memory for PTE. * Heap memory is very limited in SPL, if the dual bootloader is * enabled, just load pte to dram instead of oc-ram. In such case, * this part of memory shouldn't be freed. But in common routine, * don't forget to free the memory after use. */ |
07f3d789b
|
1135 |
if (count != 0) { |
ed915f7d4
|
1136 1137 1138 |
#if defined(CONFIG_DUAL_BOOTLOADER) && defined(CONFIG_SPL_BUILD) pte = (gpt_entry *)CONFIG_SYS_SPL_PTE_RAM_BASE; #else |
ae1768a72
|
1139 1140 |
pte = memalign(ARCH_DMA_MINALIGN, PAD_TO_BLOCKSIZE(count, dev_desc)); |
ed915f7d4
|
1141 |
#endif |
07f3d789b
|
1142 1143 1144 |
} if (count == 0 || pte == NULL) { |
5afb8d151
|
1145 1146 1147 |
printf("%s: ERROR: Can't allocate %#lX bytes for GPT Entries ", __func__, (ulong)count); |
07f3d789b
|
1148 1149 1150 1151 |
return NULL; } /* Read GPT Entries from device */ |
7c4213f6a
|
1152 |
blk = le64_to_cpu(pgpt_head->partition_entry_lba); |
ae1768a72
|
1153 |
blk_cnt = BLOCK_CNT(count, dev_desc); |
2a981dc2c
|
1154 |
if (blk_dread(dev_desc, blk, (lbaint_t)blk_cnt, pte) != blk_cnt) { |
07f3d789b
|
1155 1156 |
printf("*** ERROR: Can't read GPT Entries *** "); |
ed915f7d4
|
1157 |
#if !defined(CONFIG_DUAL_BOOTLOADER) || !defined(CONFIG_SPL_BUILD) |
07f3d789b
|
1158 |
free(pte); |
ed915f7d4
|
1159 |
#endif |
07f3d789b
|
1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 |
return NULL; } return pte; } /** * is_pte_valid(): validates a single Partition Table Entry * @gpt_entry - Pointer to a single Partition Table Entry * * Description: returns 1 if valid, 0 on error. */ static int is_pte_valid(gpt_entry * pte) { efi_guid_t unused_guid; if (!pte) { |
df70b1c2e
|
1176 1177 |
printf("%s: Invalid Argument(s) ", __func__); |
07f3d789b
|
1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 |
return 0; } /* Only one validation for now: * The GUID Partition Type != Unused Entry (ALL-ZERO) */ memset(unused_guid.b, 0, sizeof(unused_guid.b)); if (memcmp(pte->partition_type_guid.b, unused_guid.b, sizeof(unused_guid.b)) == 0) { |
df70b1c2e
|
1188 1189 |
debug("%s: Found an unused PTE GUID at 0x%08X ", __func__, |
9936be31f
|
1190 |
(unsigned int)(uintptr_t)pte); |
07f3d789b
|
1191 1192 1193 1194 1195 1196 |
return 0; } else { return 1; } } |
96e5b03c8
|
1197 1198 1199 1200 1201 1202 1203 1204 1205 |
/* * Add an 'a_' prefix so it comes before 'dos' in the linker list. We need to * check EFI first, since a DOS partition is often used as a 'protective MBR' * with EFI. */ U_BOOT_PART_TYPE(a_efi) = { .name = "EFI", .part_type = PART_TYPE_EFI, |
87b8530fe
|
1206 |
.max_entries = GPT_ENTRY_NUMBERS, |
3e8bd4695
|
1207 |
.get_info = part_get_info_ptr(part_get_info_efi), |
084bf4c24
|
1208 1209 |
.print = part_print_ptr(part_print_efi), .test = part_test_efi, |
96e5b03c8
|
1210 |
}; |
07f3d789b
|
1211 |
#endif |