printf("Part\tStart LBA\tEnd LBA\t\tName\n");
printf("\tAttributes\n");
- printf("\tType UUID\n");
- printf("\tPartition UUID\n");
+ printf("\tType GUID\n");
+ printf("\tPartition GUID\n");
for (i = 0; i < le32_to_cpu(gpt_head->num_partition_entries); i++) {
/* Stop at the first non valid PTE */
print_efiname(&gpt_pte[i]));
printf("\tattrs:\t0x%016llx\n", gpt_pte[i].attributes.raw);
uuid_bin = (unsigned char *)gpt_pte[i].partition_type_guid.b;
- uuid_bin_to_str(uuid_bin, uuid);
+ uuid_bin_to_str(uuid_bin, uuid, UUID_STR_FORMAT_GUID);
printf("\ttype:\t%s\n", uuid);
uuid_bin = (unsigned char *)gpt_pte[i].unique_partition_guid.b;
- uuid_bin_to_str(uuid_bin, uuid);
- printf("\tuuid:\t%s\n", uuid);
+ uuid_bin_to_str(uuid_bin, uuid, UUID_STR_FORMAT_GUID);
+ printf("\tguid:\t%s\n", uuid);
}
/* Remember to free pte */
sprintf((char *)info->type, "U-Boot");
info->bootable = is_bootable(&gpt_pte[part - 1]);
#ifdef CONFIG_PARTITION_UUIDS
- uuid_bin_to_str(gpt_pte[part - 1].unique_partition_guid.b, info->uuid);
+ uuid_bin_to_str(gpt_pte[part - 1].unique_partition_guid.b, info->uuid,
+ UUID_STR_FORMAT_GUID);
#endif
debug("%s: start 0x" LBAF ", size 0x" LBAF ", name %s", __func__,
str_uuid = partitions[i].uuid;
bin_uuid = gpt_e[i].unique_partition_guid.b;
- if (uuid_str_to_bin(str_uuid, bin_uuid)) {
+ if (uuid_str_to_bin(str_uuid, bin_uuid, UUID_STR_FORMAT_STD)) {
printf("Partition no. %d: invalid guid: %s\n",
i, str_uuid);
return -1;
gpt_h->header_crc32 = 0;
gpt_h->partition_entry_array_crc32 = 0;
- if (uuid_str_to_bin(str_guid, gpt_h->disk_guid.b))
+ if (uuid_str_to_bin(str_guid, gpt_h->disk_guid.b, UUID_STR_FORMAT_GUID))
return -1;
return 0;
#include <linux/ctype.h>
#include <errno.h>
#include <common.h>
-
-#define UUID_STR_LEN 36
+#include <asm/io.h>
+#include <part_efi.h>
+#include <malloc.h>
/*
* UUID - Universally Unique IDentifier - 128 bits unique number.
*
* GUID is used e.g. in GPT (GUID Partition Table) as a partiions unique id.
*/
-
int uuid_str_valid(const char *uuid)
{
int i, valid;
}
}
- if (i != 36 || !valid)
+ if (i != UUID_STR_LEN || !valid)
return 0;
return 1;
}
-int uuid_str_to_bin(char *uuid, unsigned char *out)
+/*
+ * uuid_str_to_bin() - convert string UUID or GUID to big endian binary data.
+ *
+ * @param uuid_str - pointer to UUID or GUID string [37B]
+ * @param uuid_bin - pointer to allocated array for big endian output [16B]
+ * @str_format - UUID string format: 0 - UUID; 1 - GUID
+ */
+int uuid_str_to_bin(char *uuid_str, unsigned char *uuid_bin, int str_format)
{
uint16_t tmp16;
uint32_t tmp32;
uint64_t tmp64;
- if (!uuid || !out)
+ if (!uuid_str_valid(uuid_str))
return -EINVAL;
- if (strlen(uuid) != UUID_STR_LEN)
- return -EINVAL;
+ if (str_format == UUID_STR_FORMAT_STD) {
+ tmp32 = cpu_to_be32(simple_strtoul(uuid_str, NULL, 16));
+ memcpy(uuid_bin, &tmp32, 4);
- tmp32 = cpu_to_le32(simple_strtoul(uuid, NULL, 16));
- memcpy(out, &tmp32, 4);
+ tmp16 = cpu_to_be16(simple_strtoul(uuid_str + 9, NULL, 16));
+ memcpy(uuid_bin + 4, &tmp16, 2);
- tmp16 = cpu_to_le16(simple_strtoul(uuid + 9, NULL, 16));
- memcpy(out + 4, &tmp16, 2);
+ tmp16 = cpu_to_be16(simple_strtoul(uuid_str + 14, NULL, 16));
+ memcpy(uuid_bin + 6, &tmp16, 2);
+ } else {
+ tmp32 = cpu_to_le32(simple_strtoul(uuid_str, NULL, 16));
+ memcpy(uuid_bin, &tmp32, 4);
- tmp16 = cpu_to_le16(simple_strtoul(uuid + 14, NULL, 16));
- memcpy(out + 6, &tmp16, 2);
+ tmp16 = cpu_to_le16(simple_strtoul(uuid_str + 9, NULL, 16));
+ memcpy(uuid_bin + 4, &tmp16, 2);
- tmp16 = cpu_to_be16(simple_strtoul(uuid + 19, NULL, 16));
- memcpy(out + 8, &tmp16, 2);
+ tmp16 = cpu_to_le16(simple_strtoul(uuid_str + 14, NULL, 16));
+ memcpy(uuid_bin + 6, &tmp16, 2);
+ }
+
+ tmp16 = cpu_to_be16(simple_strtoul(uuid_str + 19, NULL, 16));
+ memcpy(uuid_bin + 8, &tmp16, 2);
- tmp64 = cpu_to_be64(simple_strtoull(uuid + 24, NULL, 16));
- memcpy(out + 10, (char *)&tmp64 + 2, 6);
+ tmp64 = cpu_to_be64(simple_strtoull(uuid_str + 24, NULL, 16));
+ memcpy(uuid_bin + 10, (char *)&tmp64 + 2, 6);
return 0;
}
-void uuid_bin_to_str(unsigned char *uuid, char *str)
+/*
+ * uuid_bin_to_str() - convert big endian binary data to string UUID or GUID.
+ *
+ * @param uuid_bin - pointer to binary data of UUID (big endian) [16B]
+ * @param uuid_str - pointer to allocated array for output string [37B]
+ * @str_format - UUID string format: 0 - UUID; 1 - GUID
+ */
+void uuid_bin_to_str(unsigned char *uuid_bin, char *uuid_str, int str_format)
{
- static const u8 le[16] = {3, 2, 1, 0, 5, 4, 7, 6, 8, 9, 10, 11,
- 12, 13, 14, 15};
+ const u8 uuid_char_order[UUID_BIN_LEN] = {0, 1, 2, 3, 4, 5, 6, 7, 8,
+ 9, 10, 11, 12, 13, 14, 15};
+ const u8 guid_char_order[UUID_BIN_LEN] = {3, 2, 1, 0, 5, 4, 7, 6, 8,
+ 9, 10, 11, 12, 13, 14, 15};
+ const u8 *char_order;
int i;
+ /*
+ * UUID and GUID bin data - always in big endian:
+ * 4B-2B-2B-2B-6B
+ * be be be be be
+ */
+ if (str_format == UUID_STR_FORMAT_STD)
+ char_order = uuid_char_order;
+ else
+ char_order = guid_char_order;
+
for (i = 0; i < 16; i++) {
- sprintf(str, "%02x", uuid[le[i]]);
- str += 2;
+ sprintf(uuid_str, "%02x", uuid_bin[char_order[i]]);
+ uuid_str += 2;
switch (i) {
case 3:
case 5:
case 7:
case 9:
- *str++ = '-';
+ *uuid_str++ = '-';
break;
}
}