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disk/part_efi.c
31.9 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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|
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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 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 */ if (is_gpt_valid(dev_desc, GPT_PRIMARY_PARTITION_TABLE_LBA, gpt_head, &gpt_pte) != 1) { printf("%s: *** ERROR: Invalid GPT *** ", __func__); if (is_gpt_valid(dev_desc, dev_desc->lba - 1, gpt_head, &gpt_pte) != 1) { printf("%s: *** ERROR: Invalid Backup GPT *** ", __func__); return -EINVAL; } else { printf("%s: *** Using Backup GPT *** ", __func__); } } guid_bin = gpt_head->disk_guid.b; uuid_bin_to_str(guid_bin, guid, UUID_STR_FORMAT_GUID); 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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|
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/* This function validates AND fills in the GPT header and PTE */ if (is_gpt_valid(dev_desc, GPT_PRIMARY_PARTITION_TABLE_LBA, |
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gpt_head, &gpt_pte) != 1) { |
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printf("%s: *** ERROR: Invalid GPT *** ", __func__); |
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if (is_gpt_valid(dev_desc, (dev_desc->lba - 1), gpt_head, &gpt_pte) != 1) { printf("%s: *** ERROR: Invalid Backup GPT *** ", __func__); return; } else { printf("%s: *** Using Backup GPT *** ", __func__); } |
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} |
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debug("%s: gpt-entry at %p ", __func__, gpt_pte); |
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|
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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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|
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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 */ if (is_gpt_valid(dev_desc, GPT_PRIMARY_PARTITION_TABLE_LBA, |
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gpt_head, &gpt_pte) != 1) { |
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debug("%s: *** ERROR: Invalid GPT *** ", __func__); |
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if (is_gpt_valid(dev_desc, (dev_desc->lba - 1), gpt_head, &gpt_pte) != 1) { printf("%s: *** ERROR: Invalid Backup GPT *** ", __func__); return -1; } else { |
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debug("%s: *** Using Backup GPT *** ", |
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__func__); } |
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} |
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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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|
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sprintf((char *)info->name, "%s", |
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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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|
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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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|
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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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428 429 |
gpt_header *gpt_h, gpt_entry *gpt_e) { |
ae1768a72 disk/gpt: Fix GPT... |
430 431 |
const int pte_blk_cnt = BLOCK_CNT((gpt_h->num_partition_entries * sizeof(gpt_entry)), dev_desc); |
40684ddb8 gpt: Support for ... |
432 |
u32 calc_crc32; |
40684ddb8 gpt: Support for ... |
433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 |
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 */ |
2a981dc2c dm: block: Adjust... |
451 |
if (blk_dwrite(dev_desc, 1, 1, gpt_h) != 1) |
40684ddb8 gpt: Support for ... |
452 |
goto err; |
02e43537b part_efi: support... |
453 454 |
if (blk_dwrite(dev_desc, le64_to_cpu(gpt_h->partition_entry_lba), pte_blk_cnt, gpt_e) != pte_blk_cnt) |
40684ddb8 gpt: Support for ... |
455 |
goto err; |
e1f6b0a02 disk: part_efi: m... |
456 |
prepare_backup_gpt_header(gpt_h); |
40684ddb8 gpt: Support for ... |
457 |
|
2a981dc2c dm: block: Adjust... |
458 459 |
if (blk_dwrite(dev_desc, (lbaint_t)le64_to_cpu(gpt_h->last_usable_lba) + 1, pte_blk_cnt, gpt_e) != pte_blk_cnt) |
40684ddb8 gpt: Support for ... |
460 |
goto err; |
2a981dc2c dm: block: Adjust... |
461 462 |
if (blk_dwrite(dev_desc, (lbaint_t)le64_to_cpu(gpt_h->my_lba), 1, gpt_h) != 1) |
40684ddb8 gpt: Support for ... |
463 464 465 466 467 468 469 |
goto err; debug("GPT successfully written to block device! "); return 0; err: |
bcce53d04 dm: block: Rename... |
470 471 |
printf("** Can't write to device %d ** ", dev_desc->devnum); |
40684ddb8 gpt: Support for ... |
472 473 |
return -1; } |
47d7ee47b part: efi: make g... |
474 475 476 |
int gpt_fill_pte(struct blk_desc *dev_desc, gpt_header *gpt_h, gpt_entry *gpt_e, disk_partition_t *partitions, int parts) |
40684ddb8 gpt: Support for ... |
477 |
{ |
e04350d29 disk: part_efi: c... |
478 |
lbaint_t offset = (lbaint_t)le64_to_cpu(gpt_h->first_usable_lba); |
e04350d29 disk: part_efi: c... |
479 480 |
lbaint_t last_usable_lba = (lbaint_t) le64_to_cpu(gpt_h->last_usable_lba); |
40684ddb8 gpt: Support for ... |
481 |
int i, k; |
67cd4a634 disk: Fix possibl... |
482 |
size_t efiname_len, dosname_len; |
b331cd620 cmd, disk: conver... |
483 |
#if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
40684ddb8 gpt: Support for ... |
484 |
char *str_uuid; |
a96a0e615 part_efi: move uu... |
485 |
unsigned char *bin_uuid; |
40684ddb8 gpt: Support for ... |
486 |
#endif |
7561b258a gpt: add optional... |
487 488 489 490 |
#ifdef CONFIG_PARTITION_TYPE_GUID char *str_type_guid; unsigned char *bin_type_guid; #endif |
79c5912e8 part: efi: Disabl... |
491 492 493 494 495 496 497 |
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 gpt: Support for ... |
498 499 500 |
for (i = 0; i < parts; i++) { /* partition starting lba */ |
5276e8b62 part: efi: rework... |
501 502 |
lbaint_t start = partitions[i].start; lbaint_t size = partitions[i].size; |
40684ddb8 gpt: Support for ... |
503 |
if (start) { |
5276e8b62 part: efi: rework... |
504 |
offset = start + size; |
40684ddb8 gpt: Support for ... |
505 |
} else { |
79c5912e8 part: efi: Disabl... |
506 |
start = offset; |
5276e8b62 part: efi: rework... |
507 |
offset += size; |
40684ddb8 gpt: Support for ... |
508 |
} |
79c5912e8 part: efi: Disabl... |
509 510 511 512 513 |
/* * If our partition overlaps with either the GPT * header, or the partition entry, reject it. */ |
ae0e0228e disk: efi: correc... |
514 515 |
if (((start < hdr_end && hdr_start < (start + size)) || (start < pte_end && pte_start < (start + size)))) { |
79c5912e8 part: efi: Disabl... |
516 517 518 519 520 521 |
printf("Partition overlap "); return -1; } gpt_e[i].starting_lba = cpu_to_le64(start); |
a56538676 disk: part_efi: f... |
522 |
if (offset > (last_usable_lba + 1)) { |
40684ddb8 gpt: Support for ... |
523 524 525 526 527 |
printf("Partitions layout exceds disk size "); return -1; } /* partition ending lba */ |
5276e8b62 part: efi: rework... |
528 |
if ((i == parts - 1) && (size == 0)) |
40684ddb8 gpt: Support for ... |
529 530 531 532 |
/* 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 gpt: add optional... |
533 534 535 536 537 538 539 540 541 542 543 544 545 546 |
#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 efi_loader: avoid... |
547 |
&partition_basic_data_guid, 16); |
7561b258a gpt: add optional... |
548 549 |
} #else |
40684ddb8 gpt: Support for ... |
550 551 |
/* partition type GUID */ memcpy(gpt_e[i].partition_type_guid.b, |
44ab2d325 efi_loader: avoid... |
552 |
&partition_basic_data_guid, 16); |
7561b258a gpt: add optional... |
553 |
#endif |
40684ddb8 gpt: Support for ... |
554 |
|
b331cd620 cmd, disk: conver... |
555 |
#if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
40684ddb8 gpt: Support for ... |
556 |
str_uuid = partitions[i].uuid; |
a96a0e615 part_efi: move uu... |
557 |
bin_uuid = gpt_e[i].unique_partition_guid.b; |
9da52f8f6 gpt: Fix uuid str... |
558 |
if (uuid_str_to_bin(str_uuid, bin_uuid, UUID_STR_FORMAT_GUID)) { |
40684ddb8 gpt: Support for ... |
559 560 561 562 563 564 565 566 567 568 |
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 part:efi: add boo... |
569 570 |
if (partitions[i].bootable) gpt_e[i].attributes.fields.legacy_bios_bootable = 1; |
40684ddb8 gpt: Support for ... |
571 |
/* partition name */ |
67cd4a634 disk: Fix possibl... |
572 |
efiname_len = sizeof(gpt_e[i].partition_name) |
40684ddb8 gpt: Support for ... |
573 |
/ sizeof(efi_char16_t); |
67cd4a634 disk: Fix possibl... |
574 575 576 577 578 579 |
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 gpt: Support for ... |
580 581 |
gpt_e[i].partition_name[k] = (efi_char16_t)(partitions[i].name[k]); |
e04350d29 disk: part_efi: c... |
582 583 584 |
debug("%s: name: %s offset[%d]: 0x" LBAF " size[%d]: 0x" LBAF " ", |
40684ddb8 gpt: Support for ... |
585 |
__func__, partitions[i].name, i, |
5276e8b62 part: efi: rework... |
586 |
offset, i, size); |
40684ddb8 gpt: Support for ... |
587 588 589 590 |
} return 0; } |
02e43537b part_efi: support... |
591 592 593 |
static uint32_t partition_entries_offset(struct blk_desc *dev_desc) { uint32_t offset_blks = 2; |
89d33a2c0 part: efi: Fix of... |
594 |
uint32_t __maybe_unused offset_bytes; |
02e43537b part_efi: support... |
595 596 597 598 599 600 601 602 603 604 605 |
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 part: efi: Fix of... |
606 |
offset_bytes = |
02e43537b part_efi: support... |
607 |
PAD_TO_BLOCKSIZE(CONFIG_EFI_PARTITION_ENTRIES_OFF, dev_desc); |
89d33a2c0 part: efi: Fix of... |
608 |
offset_blks = offset_bytes / dev_desc->blksz; |
02e43537b part_efi: support... |
609 610 611 612 613 614 615 616 617 618 619 |
#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 part: efi: Fix of... |
620 621 622 623 |
if (config_offset != -EINVAL) { offset_bytes = PAD_TO_BLOCKSIZE(config_offset, dev_desc); offset_blks = offset_bytes / dev_desc->blksz; } |
02e43537b part_efi: support... |
624 625 626 627 628 629 630 631 632 633 634 635 636 637 |
#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 dm: Drop the bloc... |
638 |
int gpt_fill_header(struct blk_desc *dev_desc, gpt_header *gpt_h, |
40684ddb8 gpt: Support for ... |
639 640 |
char *str_guid, int parts_count) { |
67b905226 Rename GPT_HEADER... |
641 |
gpt_h->signature = cpu_to_le64(GPT_HEADER_SIGNATURE_UBOOT); |
40684ddb8 gpt: Support for ... |
642 643 644 645 |
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 gpt: Support for ... |
646 |
gpt_h->last_usable_lba = cpu_to_le64(dev_desc->lba - 34); |
02e43537b part_efi: support... |
647 648 649 650 |
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 gpt: Support for ... |
651 652 653 654 |
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 lib: uuid: code r... |
655 |
if (uuid_str_to_bin(str_guid, gpt_h->disk_guid.b, UUID_STR_FORMAT_GUID)) |
40684ddb8 gpt: Support for ... |
656 657 658 659 |
return -1; return 0; } |
4101f6879 dm: Drop the bloc... |
660 |
int gpt_restore(struct blk_desc *dev_desc, char *str_disk_guid, |
40684ddb8 gpt: Support for ... |
661 662 |
disk_partition_t *partitions, int parts_count) { |
bb021013b gpt: Use cache al... |
663 |
gpt_header *gpt_h; |
ae1768a72 disk/gpt: Fix GPT... |
664 |
gpt_entry *gpt_e; |
bb021013b gpt: Use cache al... |
665 |
int ret, size; |
ae1768a72 disk/gpt: Fix GPT... |
666 |
|
bb021013b gpt: Use cache al... |
667 668 |
size = PAD_TO_BLOCKSIZE(sizeof(gpt_header), dev_desc); gpt_h = malloc_cache_aligned(size); |
40684ddb8 gpt: Support for ... |
669 670 671 672 673 |
if (gpt_h == NULL) { printf("%s: calloc failed! ", __func__); return -1; } |
bb021013b gpt: Use cache al... |
674 |
memset(gpt_h, 0, size); |
40684ddb8 gpt: Support for ... |
675 |
|
bb021013b gpt: Use cache al... |
676 677 678 |
size = PAD_TO_BLOCKSIZE(GPT_ENTRY_NUMBERS * sizeof(gpt_entry), dev_desc); gpt_e = malloc_cache_aligned(size); |
40684ddb8 gpt: Support for ... |
679 680 681 682 683 684 |
if (gpt_e == NULL) { printf("%s: calloc failed! ", __func__); free(gpt_h); return -1; } |
bb021013b gpt: Use cache al... |
685 |
memset(gpt_e, 0, size); |
40684ddb8 gpt: Support for ... |
686 687 688 689 690 691 692 |
/* 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 part: efi: make g... |
693 |
ret = gpt_fill_pte(dev_desc, gpt_h, gpt_e, partitions, parts_count); |
40684ddb8 gpt: Support for ... |
694 695 696 697 698 699 700 701 702 703 704 |
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 fastboot: handle ... |
705 |
|
cef68bf90 gpt: part: Defini... |
706 707 708 709 710 711 712 713 714 715 716 717 718 |
static void gpt_convert_efi_name_to_char(char *s, efi_char16_t *es, int n) { char *ess = (char *)es; 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 dm: Drop the bloc... |
719 |
int gpt_verify_headers(struct blk_desc *dev_desc, gpt_header *gpt_head, |
cef68bf90 gpt: part: Defini... |
720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 |
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; } 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 dm: Drop the bloc... |
744 |
int gpt_verify_partitions(struct blk_desc *dev_desc, |
cef68bf90 gpt: part: Defini... |
745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 |
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 treewide: replace... |
761 762 |
pr_err("More partitions than allowed! "); |
cef68bf90 gpt: part: Defini... |
763 764 765 766 767 768 769 770 771 772 773 774 |
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 treewide: replace... |
775 776 |
pr_err("Partition name: %s does not match %s! ", |
cef68bf90 gpt: part: Defini... |
777 778 779 780 781 782 783 784 |
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 dm: part: Correct... |
785 786 |
(unsigned long long)gpt_part_size, (unsigned long long)partitions[i].size); |
cef68bf90 gpt: part: Defini... |
787 788 |
if (le64_to_cpu(gpt_part_size) != partitions[i].size) { |
c2fdd3456 cmd: gpt: fix the... |
789 790 791 |
/* We do not check the extend partition size */ if ((i == parts - 1) && (partitions[i].size == 0)) continue; |
9b643e312 treewide: replace... |
792 793 |
pr_err("Partition %s size: %llu does not match %llu! ", |
f8d6165d4 dm: part: Correct... |
794 795 |
efi_str, (unsigned long long)gpt_part_size, (unsigned long long)partitions[i].size); |
cef68bf90 gpt: part: Defini... |
796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 |
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 dm: part: Correct... |
813 |
(unsigned long long)partitions[i].start); |
cef68bf90 gpt: part: Defini... |
814 815 |
if (le64_to_cpu(gpt_e[i].starting_lba) != partitions[i].start) { |
9b643e312 treewide: replace... |
816 817 |
pr_err("Partition %s start: %llu does not match %llu! ", |
cef68bf90 gpt: part: Defini... |
818 |
efi_str, le64_to_cpu(gpt_e[i].starting_lba), |
f8d6165d4 dm: part: Correct... |
819 |
(unsigned long long)partitions[i].start); |
cef68bf90 gpt: part: Defini... |
820 821 822 823 824 825 |
return -1; } } return 0; } |
4101f6879 dm: Drop the bloc... |
826 |
int is_valid_gpt_buf(struct blk_desc *dev_desc, void *buf) |
0ff7e585d fastboot: handle ... |
827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 |
{ 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 dm: Drop the bloc... |
846 |
int write_mbr_and_gpt_partitions(struct blk_desc *dev_desc, void *buf) |
0ff7e585d fastboot: handle ... |
847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 |
{ 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 dm: block: Adjust... |
871 |
if (blk_dwrite(dev_desc, lba, cnt, buf) != cnt) { |
0ff7e585d fastboot: handle ... |
872 873 874 875 876 877 878 879 880 |
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 dm: block: Adjust... |
881 |
if (blk_dwrite(dev_desc, lba, cnt, gpt_h) != cnt) { |
0ff7e585d fastboot: handle ... |
882 883 884 885 886 887 888 889 |
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 dm: block: Adjust... |
890 |
if (blk_dwrite(dev_desc, lba, cnt, gpt_e) != cnt) { |
0ff7e585d fastboot: handle ... |
891 892 893 894 895 896 897 898 899 900 901 |
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 dm: block: Adjust... |
902 |
if (blk_dwrite(dev_desc, lba, cnt, gpt_e) != cnt) { |
0ff7e585d fastboot: handle ... |
903 904 905 906 907 908 909 910 |
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 dm: block: Adjust... |
911 |
if (blk_dwrite(dev_desc, lba, cnt, gpt_h) != cnt) { |
0ff7e585d fastboot: handle ... |
912 913 914 915 916 917 918 919 |
printf("%s: failed writing '%s' (%d blks at 0x" LBAF ") ", __func__, "Backup GPT Header", cnt, lba); return 1; } return 0; } |
9b149c2a2 MLK-18591-3 andro... |
920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 |
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 gpt: Support for ... |
975 |
#endif |
07f3d789b Add support for C... |
976 977 978 979 980 981 982 983 984 985 986 |
/* * 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 disk: fix unalign... |
987 |
get_unaligned_le32(&part->start_sect) == 1UL) { |
07f3d789b Add support for C... |
988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 |
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 gpt: The leXX_to_... |
1005 |
if (!mbr || le16_to_cpu(mbr->signature) != MSDOS_MBR_SIGNATURE) |
07f3d789b Add support for C... |
1006 |
return 0; |
07f3d789b Add support for C... |
1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 |
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. * * Description: returns 1 if valid, 0 on error. * If valid, returns pointers to PTEs. */ |
4101f6879 dm: Drop the bloc... |
1026 |
static int is_gpt_valid(struct blk_desc *dev_desc, u64 lba, |
e04350d29 disk: part_efi: c... |
1027 |
gpt_header *pgpt_head, gpt_entry **pgpt_pte) |
07f3d789b Add support for C... |
1028 |
{ |
b351ccf11 part_efi: In is_g... |
1029 |
/* Confirm valid arguments prior to allocation. */ |
07f3d789b Add support for C... |
1030 |
if (!dev_desc || !pgpt_head) { |
df70b1c2e cosmetic: Replace... |
1031 1032 |
printf("%s: Invalid Argument(s) ", __func__); |
07f3d789b Add support for C... |
1033 1034 |
return 0; } |
3cc566117 disk: efi: correc... |
1035 |
ALLOC_CACHE_ALIGN_BUFFER_PAD(legacy_mbr, mbr, 1, dev_desc->blksz); |
b351ccf11 part_efi: In is_g... |
1036 |
|
ff98cb905 part: extract MBR... |
1037 1038 1039 1040 1041 1042 |
/* 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 Add support for C... |
1043 |
/* Read GPT Header from device */ |
2a981dc2c dm: block: Adjust... |
1044 |
if (blk_dread(dev_desc, (lbaint_t)lba, 1, pgpt_head) != 1) { |
07f3d789b Add support for C... |
1045 1046 1047 1048 |
printf("*** ERROR: Can't read GPT header *** "); return 0; } |
e1f6b0a02 disk: part_efi: m... |
1049 |
if (validate_gpt_header(pgpt_head, (lbaint_t)lba, dev_desc->lba)) |
07f3d789b Add support for C... |
1050 |
return 0; |
07f3d789b Add support for C... |
1051 |
|
ff98cb905 part: extract MBR... |
1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 |
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 Add support for C... |
1063 1064 1065 1066 1067 1068 1069 |
/* 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 disk: part_efi: m... |
1070 |
if (validate_gpt_entries(pgpt_head, *pgpt_pte)) { |
deb5ca802 disk: part_efi: f... |
1071 |
free(*pgpt_pte); |
07f3d789b Add support for C... |
1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 |
return 0; } /* We're done, all's well */ return 1; } /** * 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 dm: Drop the bloc... |
1088 1089 |
static gpt_entry *alloc_read_gpt_entries(struct blk_desc *dev_desc, gpt_header *pgpt_head) |
07f3d789b Add support for C... |
1090 |
{ |
ae1768a72 disk/gpt: Fix GPT... |
1091 |
size_t count = 0, blk_cnt; |
7c4213f6a block: pass block... |
1092 |
lbaint_t blk; |
07f3d789b Add support for C... |
1093 1094 1095 |
gpt_entry *pte = NULL; if (!dev_desc || !pgpt_head) { |
df70b1c2e cosmetic: Replace... |
1096 1097 |
printf("%s: Invalid Argument(s) ", __func__); |
07f3d789b Add support for C... |
1098 1099 |
return NULL; } |
fae2bf22a gpt: The leXX_to_... |
1100 1101 |
count = le32_to_cpu(pgpt_head->num_partition_entries) * le32_to_cpu(pgpt_head->sizeof_partition_entry); |
07f3d789b Add support for C... |
1102 |
|
5afb8d151 part_efi: Fix com... |
1103 1104 |
debug("%s: count = %u * %u = %lu ", __func__, |
fae2bf22a gpt: The leXX_to_... |
1105 |
(u32) le32_to_cpu(pgpt_head->num_partition_entries), |
5afb8d151 part_efi: Fix com... |
1106 1107 |
(u32) le32_to_cpu(pgpt_head->sizeof_partition_entry), (ulong)count); |
07f3d789b Add support for C... |
1108 |
|
30355b43d MA-14916-4 suppor... |
1109 1110 1111 1112 1113 1114 |
/* 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 Add support for C... |
1115 |
if (count != 0) { |
30355b43d MA-14916-4 suppor... |
1116 1117 1118 |
#if defined(CONFIG_DUAL_BOOTLOADER) && defined(CONFIG_SPL_BUILD) pte = (gpt_entry *)CONFIG_SYS_SPL_PTE_RAM_BASE; #else |
ae1768a72 disk/gpt: Fix GPT... |
1119 1120 |
pte = memalign(ARCH_DMA_MINALIGN, PAD_TO_BLOCKSIZE(count, dev_desc)); |
30355b43d MA-14916-4 suppor... |
1121 |
#endif |
07f3d789b Add support for C... |
1122 1123 1124 |
} if (count == 0 || pte == NULL) { |
5afb8d151 part_efi: Fix com... |
1125 1126 1127 |
printf("%s: ERROR: Can't allocate %#lX bytes for GPT Entries ", __func__, (ulong)count); |
07f3d789b Add support for C... |
1128 1129 1130 1131 |
return NULL; } /* Read GPT Entries from device */ |
7c4213f6a block: pass block... |
1132 |
blk = le64_to_cpu(pgpt_head->partition_entry_lba); |
ae1768a72 disk/gpt: Fix GPT... |
1133 |
blk_cnt = BLOCK_CNT(count, dev_desc); |
2a981dc2c dm: block: Adjust... |
1134 |
if (blk_dread(dev_desc, blk, (lbaint_t)blk_cnt, pte) != blk_cnt) { |
07f3d789b Add support for C... |
1135 1136 |
printf("*** ERROR: Can't read GPT Entries *** "); |
30355b43d MA-14916-4 suppor... |
1137 |
#if !defined(CONFIG_DUAL_BOOTLOADER) || !defined(CONFIG_SPL_BUILD) |
07f3d789b Add support for C... |
1138 |
free(pte); |
30355b43d MA-14916-4 suppor... |
1139 |
#endif |
07f3d789b Add support for C... |
1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 |
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 cosmetic: Replace... |
1156 1157 |
printf("%s: Invalid Argument(s) ", __func__); |
07f3d789b Add support for C... |
1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 |
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 cosmetic: Replace... |
1168 1169 |
debug("%s: Found an unused PTE GUID at 0x%08X ", __func__, |
9936be31f disk: Address cas... |
1170 |
(unsigned int)(uintptr_t)pte); |
07f3d789b Add support for C... |
1171 1172 1173 1174 1175 1176 |
return 0; } else { return 1; } } |
96e5b03c8 dm: part: Convert... |
1177 1178 1179 1180 1181 1182 1183 1184 1185 |
/* * 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 disk: part: imple... |
1186 |
.max_entries = GPT_ENTRY_NUMBERS, |
3e8bd4695 dm: part: Rename ... |
1187 |
.get_info = part_get_info_ptr(part_get_info_efi), |
084bf4c24 part: Rename test... |
1188 1189 |
.print = part_print_ptr(part_print_efi), .test = part_test_efi, |
96e5b03c8 dm: part: Convert... |
1190 |
}; |
07f3d789b Add support for C... |
1191 |
#endif |