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-rw-r--r--disk/part_efi.c73
1 files changed, 47 insertions, 26 deletions
diff --git a/disk/part_efi.c b/disk/part_efi.c
index c74b7b9..612f092 100644
--- a/disk/part_efi.c
+++ b/disk/part_efi.c
@@ -6,13 +6,9 @@
*/
/*
- * Problems with CONFIG_SYS_64BIT_LBA:
- *
- * struct disk_partition.start in include/part.h is sized as ulong.
- * When CONFIG_SYS_64BIT_LBA is activated, lbaint_t changes from ulong to uint64_t.
- * For now, it is cast back to ulong at assignment.
- *
- * This limits the maximum size of addressable storage to < 2 Terra Bytes
+ * 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
*/
#include <asm/unaligned.h>
#include <common.h>
@@ -43,8 +39,8 @@ static inline u32 efi_crc32(const void *buf, u32 len)
static int pmbr_part_valid(struct partition *part);
static int is_pmbr_valid(legacy_mbr * mbr);
-static int is_gpt_valid(block_dev_desc_t * dev_desc, unsigned long long lba,
- gpt_header * pgpt_head, gpt_entry ** pgpt_pte);
+static int is_gpt_valid(block_dev_desc_t *dev_desc, u64 lba,
+ gpt_header *pgpt_head, gpt_entry **pgpt_pte);
static gpt_entry *alloc_read_gpt_entries(block_dev_desc_t * dev_desc,
gpt_header * pgpt_head);
static int is_pte_valid(gpt_entry * pte);
@@ -169,10 +165,10 @@ int get_partition_info_efi(block_dev_desc_t * dev_desc, int part,
return -1;
}
- /* The ulong casting limits the maximum disk size to 2 TB */
- info->start = (u64)le64_to_cpu(gpt_pte[part - 1].starting_lba);
+ /* 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);
/* The ending LBA is inclusive, to calculate size, add 1 to it */
- info->size = ((u64)le64_to_cpu(gpt_pte[part - 1].ending_lba) + 1)
+ info->size = (lbaint_t)le64_to_cpu(gpt_pte[part - 1].ending_lba) + 1
- info->start;
info->blksz = dev_desc->blksz;
@@ -185,7 +181,7 @@ int get_partition_info_efi(block_dev_desc_t * dev_desc, int part,
UUID_STR_FORMAT_GUID);
#endif
- debug("%s: start 0x" LBAF ", size 0x" LBAF ", name %s", __func__,
+ debug("%s: start 0x" LBAF ", size 0x" LBAF ", name %s\n", __func__,
info->start, info->size, info->name);
/* Remember to free pte */
@@ -193,6 +189,25 @@ int get_partition_info_efi(block_dev_desc_t * dev_desc, int part,
return 0;
}
+int get_partition_info_efi_by_name(block_dev_desc_t *dev_desc,
+ const char *name, disk_partition_t *info)
+{
+ int ret;
+ int i;
+ for (i = 1; i < GPT_ENTRY_NUMBERS; i++) {
+ ret = get_partition_info_efi(dev_desc, i, info);
+ if (ret != 0) {
+ /* no more entries in table */
+ return -1;
+ }
+ if (strcmp(name, (const char *)info->name) == 0) {
+ /* matched */
+ return 0;
+ }
+ }
+ return -2;
+}
+
int test_part_efi(block_dev_desc_t * dev_desc)
{
ALLOC_CACHE_ALIGN_BUFFER_PAD(legacy_mbr, legacymbr, 1, dev_desc->blksz);
@@ -279,12 +294,14 @@ int write_gpt_table(block_dev_desc_t *dev_desc,
gpt_h->header_crc32 = cpu_to_le32(calc_crc32);
if (dev_desc->block_write(dev_desc->dev,
- le32_to_cpu(gpt_h->last_usable_lba + 1),
+ (lbaint_t)le64_to_cpu(gpt_h->last_usable_lba)
+ + 1,
pte_blk_cnt, gpt_e) != pte_blk_cnt)
goto err;
if (dev_desc->block_write(dev_desc->dev,
- le32_to_cpu(gpt_h->my_lba), 1, gpt_h) != 1)
+ (lbaint_t)le64_to_cpu(gpt_h->my_lba), 1,
+ gpt_h) != 1)
goto err;
debug("GPT successfully written to block device!\n");
@@ -298,8 +315,10 @@ int write_gpt_table(block_dev_desc_t *dev_desc,
int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e,
disk_partition_t *partitions, int parts)
{
- u32 offset = (u32)le32_to_cpu(gpt_h->first_usable_lba);
- ulong start;
+ lbaint_t offset = (lbaint_t)le64_to_cpu(gpt_h->first_usable_lba);
+ lbaint_t start;
+ lbaint_t last_usable_lba = (lbaint_t)
+ le64_to_cpu(gpt_h->last_usable_lba);
int i, k;
size_t efiname_len, dosname_len;
#ifdef CONFIG_PARTITION_UUIDS
@@ -321,7 +340,7 @@ int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e,
gpt_e[i].starting_lba = cpu_to_le64(offset);
offset += partitions[i].size;
}
- if (offset >= gpt_h->last_usable_lba) {
+ if (offset >= last_usable_lba) {
printf("Partitions layout exceds disk size\n");
return -1;
}
@@ -363,7 +382,8 @@ int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e,
gpt_e[i].partition_name[k] =
(efi_char16_t)(partitions[i].name[k]);
- debug("%s: name: %s offset[%d]: 0x%x size[%d]: 0x" LBAF "\n",
+ debug("%s: name: %s offset[%d]: 0x" LBAF
+ " size[%d]: 0x" LBAF "\n",
__func__, partitions[i].name, i,
offset, i, partitions[i].size);
}
@@ -487,12 +507,12 @@ static int is_pmbr_valid(legacy_mbr * mbr)
* Description: returns 1 if valid, 0 on error.
* If valid, returns pointers to PTEs.
*/
-static int is_gpt_valid(block_dev_desc_t * dev_desc, unsigned long long lba,
- gpt_header * pgpt_head, gpt_entry ** pgpt_pte)
+static int is_gpt_valid(block_dev_desc_t *dev_desc, u64 lba,
+ gpt_header *pgpt_head, gpt_entry **pgpt_pte)
{
u32 crc32_backup = 0;
u32 calc_crc32;
- unsigned long long lastlba;
+ u64 lastlba;
if (!dev_desc || !pgpt_head) {
printf("%s: Invalid Argument(s)\n", __func__);
@@ -500,7 +520,8 @@ static int is_gpt_valid(block_dev_desc_t * dev_desc, unsigned long long lba,
}
/* Read GPT Header from device */
- if (dev_desc->block_read(dev_desc->dev, lba, 1, pgpt_head) != 1) {
+ if (dev_desc->block_read(dev_desc->dev, (lbaint_t)lba, 1, pgpt_head)
+ != 1) {
printf("*** ERROR: Can't read GPT header ***\n");
return 0;
}
@@ -539,7 +560,7 @@ static int is_gpt_valid(block_dev_desc_t * dev_desc, unsigned long long lba,
}
/* Check the first_usable_lba and last_usable_lba are within the disk. */
- lastlba = (unsigned long long)dev_desc->lba;
+ lastlba = (u64)dev_desc->lba;
if (le64_to_cpu(pgpt_head->first_usable_lba) > lastlba) {
printf("GPT: first_usable_lba incorrect: %llX > %llX\n",
le64_to_cpu(pgpt_head->first_usable_lba), lastlba);
@@ -547,7 +568,7 @@ static int is_gpt_valid(block_dev_desc_t * dev_desc, unsigned long long lba,
}
if (le64_to_cpu(pgpt_head->last_usable_lba) > lastlba) {
printf("GPT: last_usable_lba incorrect: %llX > %llX\n",
- (u64) le64_to_cpu(pgpt_head->last_usable_lba), lastlba);
+ le64_to_cpu(pgpt_head->last_usable_lba), lastlba);
return 0;
}
@@ -624,7 +645,7 @@ static gpt_entry *alloc_read_gpt_entries(block_dev_desc_t * dev_desc,
/* Read GPT Entries from device */
blk_cnt = BLOCK_CNT(count, dev_desc);
if (dev_desc->block_read (dev_desc->dev,
- le64_to_cpu(pgpt_head->partition_entry_lba),
+ (lbaint_t)le64_to_cpu(pgpt_head->partition_entry_lba),
(lbaint_t) (blk_cnt), pte)
!= blk_cnt) {
generated by cgit v1.1 at 2024-12-24 06:36:18 +0000