+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2011 Calxeda, Inc.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <command.h>
+#include <env.h>
+#include <rand.h>
+#include <time.h>
+#include <uuid.h>
#include <linux/ctype.h>
#include <errno.h>
#include <common.h>
#include <asm/io.h>
#include <part_efi.h>
#include <malloc.h>
+#include <dm/uclass.h>
+#include <rng.h>
/*
* UUID - Universally Unique IDentifier - 128 bits unique number.
return 1;
}
+#ifdef CONFIG_PARTITION_TYPE_GUID
+static const struct {
+ const char *string;
+ efi_guid_t guid;
+} list_guid[] = {
+ {"system", PARTITION_SYSTEM_GUID},
+ {"mbr", LEGACY_MBR_PARTITION_GUID},
+ {"msft", PARTITION_MSFT_RESERVED_GUID},
+ {"data", PARTITION_BASIC_DATA_GUID},
+ {"linux", PARTITION_LINUX_FILE_SYSTEM_DATA_GUID},
+ {"raid", PARTITION_LINUX_RAID_GUID},
+ {"swap", PARTITION_LINUX_SWAP_GUID},
+ {"lvm", PARTITION_LINUX_LVM_GUID},
+ {"u-boot-env", PARTITION_U_BOOT_ENVIRONMENT},
+};
+
+/*
+ * uuid_guid_get_bin() - this function get GUID bin for string
+ *
+ * @param guid_str - pointer to partition type string
+ * @param guid_bin - pointer to allocated array for big endian output [16B]
+ */
+int uuid_guid_get_bin(const char *guid_str, unsigned char *guid_bin)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(list_guid); i++) {
+ if (!strcmp(list_guid[i].string, guid_str)) {
+ memcpy(guid_bin, &list_guid[i].guid, 16);
+ return 0;
+ }
+ }
+ return -ENODEV;
+}
+
+/*
+ * uuid_guid_get_str() - this function get string for GUID.
+ *
+ * @param guid_bin - pointer to string with partition type guid [16B]
+ *
+ * Returns NULL if the type GUID is not known.
+ */
+const char *uuid_guid_get_str(const unsigned char *guid_bin)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(list_guid); i++) {
+ if (!memcmp(list_guid[i].guid.b, guid_bin, 16)) {
+ return list_guid[i].string;
+ }
+ }
+ return NULL;
+}
+#endif
+
/*
* 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_str - pointer to UUID or GUID string [37B] or GUID shorcut
* @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)
+int uuid_str_to_bin(const char *uuid_str, unsigned char *uuid_bin,
+ int str_format)
{
uint16_t tmp16;
uint32_t tmp32;
uint64_t tmp64;
- if (!uuid_str_valid(uuid_str))
+ if (!uuid_str_valid(uuid_str)) {
+#ifdef CONFIG_PARTITION_TYPE_GUID
+ if (!uuid_guid_get_bin(uuid_str, uuid_bin))
+ return 0;
+#endif
return -EINVAL;
+ }
if (str_format == UUID_STR_FORMAT_STD) {
- tmp32 = cpu_to_be32(simple_strtoul(uuid_str, NULL, 16));
+ tmp32 = cpu_to_be32(hextoul(uuid_str, NULL));
memcpy(uuid_bin, &tmp32, 4);
- tmp16 = cpu_to_be16(simple_strtoul(uuid_str + 9, NULL, 16));
+ tmp16 = cpu_to_be16(hextoul(uuid_str + 9, NULL));
memcpy(uuid_bin + 4, &tmp16, 2);
- tmp16 = cpu_to_be16(simple_strtoul(uuid_str + 14, NULL, 16));
+ tmp16 = cpu_to_be16(hextoul(uuid_str + 14, NULL));
memcpy(uuid_bin + 6, &tmp16, 2);
} else {
- tmp32 = cpu_to_le32(simple_strtoul(uuid_str, NULL, 16));
+ tmp32 = cpu_to_le32(hextoul(uuid_str, NULL));
memcpy(uuid_bin, &tmp32, 4);
- tmp16 = cpu_to_le16(simple_strtoul(uuid_str + 9, NULL, 16));
+ tmp16 = cpu_to_le16(hextoul(uuid_str + 9, NULL));
memcpy(uuid_bin + 4, &tmp16, 2);
- tmp16 = cpu_to_le16(simple_strtoul(uuid_str + 14, NULL, 16));
+ tmp16 = cpu_to_le16(hextoul(uuid_str + 14, NULL));
memcpy(uuid_bin + 6, &tmp16, 2);
}
- tmp16 = cpu_to_be16(simple_strtoul(uuid_str + 19, NULL, 16));
+ tmp16 = cpu_to_be16(hextoul(uuid_str + 19, NULL));
memcpy(uuid_bin + 8, &tmp16, 2);
tmp64 = cpu_to_be64(simple_strtoull(uuid_str + 24, NULL, 16));
/*
* 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
+ * @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: bit 0: 0 - UUID; 1 - GUID
+ * bit 1: 0 - lower case; 2 - upper case
*/
-void uuid_bin_to_str(unsigned char *uuid_bin, char *uuid_str, int str_format)
+void uuid_bin_to_str(const unsigned char *uuid_bin, char *uuid_str,
+ int str_format)
{
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;
+ const char *format;
int i;
/*
* 4B-2B-2B-2B-6B
* be be be be be
*/
- if (str_format == UUID_STR_FORMAT_STD)
+ if (str_format & UUID_STR_FORMAT_GUID)
+ char_order = guid_char_order;
+ else
char_order = uuid_char_order;
+ if (str_format & UUID_STR_UPPER_CASE)
+ format = "%02X";
else
- char_order = guid_char_order;
+ format = "%02x";
for (i = 0; i < 16; i++) {
- sprintf(uuid_str, "%02x", uuid_bin[char_order[i]]);
+ sprintf(uuid_str, format, uuid_bin[char_order[i]]);
uuid_str += 2;
switch (i) {
case 3:
#if defined(CONFIG_RANDOM_UUID) || defined(CONFIG_CMD_UUID)
void gen_rand_uuid(unsigned char *uuid_bin)
{
- struct uuid uuid;
- unsigned int *ptr = (unsigned int *)&uuid;
- int i;
+ u32 ptr[4];
+ struct uuid *uuid = (struct uuid *)ptr;
+ int i, ret;
+ struct udevice *devp;
+ u32 randv = 0;
+
+ if (IS_ENABLED(CONFIG_DM_RNG)) {
+ ret = uclass_get_device(UCLASS_RNG, 0, &devp);
+ if (ret) {
+ ret = dm_rng_read(devp, &randv, sizeof(randv));
+ if (ret < 0)
+ randv = 0;
+ }
+ }
+ if (randv)
+ srand(randv);
+ else
+ srand(get_ticks() + rand());
/* Set all fields randomly */
- for (i = 0; i < sizeof(struct uuid) / sizeof(*ptr); i++)
- *(ptr + i) = cpu_to_be32(rand());
+ for (i = 0; i < 4; i++)
+ ptr[i] = rand();
- clrsetbits_be16(&uuid.time_hi_and_version,
+ clrsetbits_be16(&uuid->time_hi_and_version,
UUID_VERSION_MASK,
UUID_VERSION << UUID_VERSION_SHIFT);
- clrsetbits_8(&uuid.clock_seq_hi_and_reserved,
+ clrsetbits_8(&uuid->clock_seq_hi_and_reserved,
UUID_VARIANT_MASK,
UUID_VARIANT << UUID_VARIANT_SHIFT);
- memcpy(uuid_bin, &uuid, sizeof(struct uuid));
+ memcpy(uuid_bin, uuid, 16);
}
/*
uuid_bin_to_str(uuid_bin, uuid_str, str_format);
}
-#ifdef CONFIG_CMD_UUID
-int do_uuid(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_CMD_UUID)
+int do_uuid(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
char uuid[UUID_STR_LEN + 1];
int str_format;
if (argc == 1)
printf("%s\n", uuid);
else
- setenv(argv[1], uuid);
+ env_set(argv[1], uuid);
return CMD_RET_SUCCESS;
}
projects / J-u-boot.git / blobdiff