* [U-Boot] [PATCH] disk: generate GUID Partiton Tables
@ 2012-05-02 1:34 Donghwa Lee
2012-08-09 21:05 ` Wolfgang Denk
0 siblings, 1 reply; 3+ messages in thread
From: Donghwa Lee @ 2012-05-02 1:34 UTC (permalink / raw)
To: u-boot
This patch manipulates GUID Papartition Tables.
I send this patch on behalf of Gwuieon Jin.
Signed-off-by: Gwuieon Jin <ge.jin@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
disk/part_efi.c | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
disk/part_efi.h | 2 +
include/part.h | 2 +
3 files changed, 111 insertions(+), 0 deletions(-)
diff --git a/disk/part_efi.c b/disk/part_efi.c
index b6cda57..ce25ad5 100644
--- a/disk/part_efi.c
+++ b/disk/part_efi.c
@@ -433,4 +433,111 @@ static int is_pte_valid(gpt_entry * pte)
return 1;
}
}
+
+void set_gpt_table(block_dev_desc_t *dev_desc, unsigned int part_start_lba,
+ int parts, unsigned int *blocks, unsigned int *part_offset)
+{
+ legacy_mbr protective_mbr;
+ gpt_header p_gpt_head, s_gpt_head;
+ gpt_entry p_gpt_entry[GPT_ENTRY_NUMBERS],
+ s_gpt_entry[GPT_ENTRY_NUMBERS];
+ efi_guid_t disk_uuid, part_uuid;
+ unsigned long crc32_tmp, tmp_val;
+ unsigned int size = 0;
+ unsigned int offset = part_start_lba;
+ int i;
+
+ memset(&protective_mbr, 0, sizeof(legacy_mbr));
+ memset(&p_gpt_head, 0, sizeof(gpt_header));
+ memset(&s_gpt_head, 0, sizeof(gpt_header));
+ memset(p_gpt_entry, 0, GPT_ENTRY_NUMBERS * sizeof(gpt_entry));
+ memset(s_gpt_entry, 0, GPT_ENTRY_NUMBERS * sizeof(gpt_entry));
+
+ /* protective MBR (LBA0) */
+ *(unsigned short *) protective_mbr.signature = MSDOS_MBR_SIGNATURE;
+ protective_mbr.partition_record[0].sys_ind = EFI_PMBR_OSTYPE_EFI_GPT;
+ tmp_val = 1UL;
+ memcpy(protective_mbr.partition_record[0].start_sect, &tmp_val, 4);
+ tmp_val = (unsigned long) (dev_desc->lba - 1);
+ memcpy(protective_mbr.partition_record[0].nr_sects, &tmp_val, 4);
+ dev_desc->block_write(dev_desc->dev, 0, 1, &protective_mbr);
+
+ /* primary GPT header (LBA1) */
+ *(unsigned long long *) p_gpt_head.signature = GPT_HEADER_SIGNATURE;
+ *(unsigned long *) p_gpt_head.revision = GPT_HEADER_REVISION_V1;
+ *(unsigned long *) p_gpt_head.header_size = sizeof(gpt_header);
+ *(unsigned long long *) p_gpt_head.my_lba = 1;
+ *(unsigned long long *) p_gpt_head.alternate_lba = dev_desc->lba - 1;
+ *(unsigned long long *) p_gpt_head.first_usable_lba = 34;
+ *(unsigned long long *) p_gpt_head.last_usable_lba = dev_desc->lba - 34;
+ *(unsigned long long *) p_gpt_head.partition_entry_lba = 2;
+ *(unsigned long *) p_gpt_head.num_partition_entries = GPT_ENTRY_NUMBERS;
+ *(unsigned long *) p_gpt_head.sizeof_partition_entry = GPT_ENTRY_SIZE;
+ *(unsigned long *) p_gpt_head.header_crc32 = 0;
+ *(unsigned long *) p_gpt_head.partition_entry_array_crc32 = 0;
+
+ /* primary partition entrys (LBA2-33) */
+ for (i = 0; i < parts; i++) {
+ memcpy(p_gpt_entry[i].partition_type_guid.b,
+ &PARTITION_BASIC_DATA_GUID, 16);
+
+ *(unsigned long long *) p_gpt_entry[i].starting_lba = offset;
+ /* allocate remaining memory in last partition */
+ if (i != parts - 1)
+ *(unsigned long long *) p_gpt_entry[i].ending_lba =
+ offset + blocks[i] - 1;
+ else
+ *(unsigned long long *) p_gpt_entry[i].ending_lba =
+ dev_desc->lba - 33;
+ memset(&p_gpt_entry[i].attributes, 0,
+ sizeof(gpt_entry_attributes));
+ part_offset[i] = offset;
+ offset += blocks[i];
+ }
+
+ crc32_tmp = efi_crc32((const unsigned char *)p_gpt_entry,
+ le32_to_int(p_gpt_head.num_partition_entries) *
+ le32_to_int(p_gpt_head.sizeof_partition_entry));
+ memcpy(p_gpt_head.partition_entry_array_crc32, &crc32_tmp,
+ sizeof(crc32_tmp));
+
+ crc32_tmp = efi_crc32((const unsigned char *)&p_gpt_head,
+ le32_to_int(p_gpt_head.header_size));
+ memcpy(p_gpt_head.header_crc32, &crc32_tmp, sizeof(crc32_tmp));
+
+ dev_desc->block_write(dev_desc->dev, 1, 1, &p_gpt_head);
+ dev_desc->block_write(dev_desc->dev, 2, 32, p_gpt_entry);
+
+ /* secondary partition entrys */
+ memcpy(s_gpt_entry, p_gpt_entry,
+ GPT_ENTRY_NUMBERS * sizeof(gpt_entry));
+
+ /* secondary gpt header */
+ memcpy(&s_gpt_head, &p_gpt_head, sizeof(gpt_header));
+ *(unsigned long long *) s_gpt_head.my_lba =
+ le64_to_int(p_gpt_head.alternate_lba);
+ *(unsigned long long *) s_gpt_head.alternate_lba =
+ le64_to_int(p_gpt_head.my_lba);
+ *(unsigned long long *) s_gpt_head.partition_entry_lba =
+ le64_to_int(p_gpt_head.last_usable_lba) + 1;
+ *(unsigned long *) s_gpt_head.header_crc32 = 0;
+ *(unsigned long *) s_gpt_head.partition_entry_array_crc32 = 0;
+
+ crc32_tmp = efi_crc32((const unsigned char *)s_gpt_entry,
+ le32_to_int(s_gpt_head.num_partition_entries) *
+ le32_to_int(s_gpt_head.sizeof_partition_entry));
+ memcpy(s_gpt_head.partition_entry_array_crc32, &crc32_tmp,
+ sizeof(unsigned long));
+
+ crc32_tmp = efi_crc32((const unsigned char *)&s_gpt_head,
+ le32_to_int(s_gpt_head.header_size));
+ memcpy(s_gpt_head.header_crc32, &crc32_tmp, sizeof(unsigned long));
+
+ dev_desc->block_write(dev_desc->dev,
+ le64_to_int(s_gpt_head.partition_entry_lba),
+ 32, s_gpt_entry);
+ dev_desc->block_write(dev_desc->dev,
+ le64_to_int(s_gpt_head.partition_entry_lba) + 32,
+ 1, &s_gpt_head);
+}
#endif
diff --git a/disk/part_efi.h b/disk/part_efi.h
index 5903e7c..ddc2a7f 100644
--- a/disk/part_efi.h
+++ b/disk/part_efi.h
@@ -41,6 +41,8 @@
#define GPT_HEADER_REVISION_V1 0x00010000
#define GPT_PRIMARY_PARTITION_TABLE_LBA 1ULL
#define GPT_ENTRY_NAME "gpt"
+#define GPT_ENTRY_NUMBERS 128
+#define GPT_ENTRY_SIZE 128
#define EFI_GUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \
((efi_guid_t) \
diff --git a/include/part.h b/include/part.h
index 1827767..32c3295 100644
--- a/include/part.h
+++ b/include/part.h
@@ -161,6 +161,8 @@ int test_part_amiga (block_dev_desc_t *dev_desc);
int get_partition_info_efi (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
void print_part_efi (block_dev_desc_t *dev_desc);
int test_part_efi (block_dev_desc_t *dev_desc);
+void set_gpt_table(block_dev_desc_t *dev_desc, unsigned int part_start_lba,
+ int parts, unsigned int *blocks, unsigned int *part_offset);
#endif
#endif /* _PART_H */
--
1.7.4.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [U-Boot] [PATCH] disk: generate GUID Partiton Tables
2012-05-02 1:34 [U-Boot] [PATCH] disk: generate GUID Partiton Tables Donghwa Lee
@ 2012-08-09 21:05 ` Wolfgang Denk
2012-08-09 23:53 ` Kyungmin Park
0 siblings, 1 reply; 3+ messages in thread
From: Wolfgang Denk @ 2012-08-09 21:05 UTC (permalink / raw)
To: u-boot
Dear Donghwa Lee,
In message <4FA08F0A.6040201@samsung.com> you wrote:
> This patch manipulates GUID Papartition Tables.
> I send this patch on behalf of Gwuieon Jin.
>
> Signed-off-by: Gwuieon Jin <ge.jin@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
> ---
> disk/part_efi.c | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> disk/part_efi.h | 2 +
> include/part.h | 2 +
> 3 files changed, 111 insertions(+), 0 deletions(-)
>
> diff --git a/disk/part_efi.c b/disk/part_efi.c
> index b6cda57..ce25ad5 100644
> --- a/disk/part_efi.c
> +++ b/disk/part_efi.c
> @@ -433,4 +433,111 @@ static int is_pte_valid(gpt_entry * pte)
> return 1;
> }
> }
> +
> +void set_gpt_table(block_dev_desc_t *dev_desc, unsigned int part_start_lba,
> + int parts, unsigned int *blocks, unsigned int *part_offset)
Is there any code anywhere that actually calls this function?
I cannot see it, and we don't add dead code...
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
"If a computer can't directly address all the RAM you can use, it's
just a toy." - anonymous comp.sys.amiga posting, non-sequitir
^ permalink raw reply [flat|nested] 3+ messages in thread
* [U-Boot] [PATCH] disk: generate GUID Partiton Tables
2012-08-09 21:05 ` Wolfgang Denk
@ 2012-08-09 23:53 ` Kyungmin Park
0 siblings, 0 replies; 3+ messages in thread
From: Kyungmin Park @ 2012-08-09 23:53 UTC (permalink / raw)
To: u-boot
On 8/10/12, Wolfgang Denk <wd@denx.de> wrote:
> Dear Donghwa Lee,
>
> In message <4FA08F0A.6040201@samsung.com> you wrote:
>> This patch manipulates GUID Papartition Tables.
>> I send this patch on behalf of Gwuieon Jin.
>>
>> Signed-off-by: Gwuieon Jin <ge.jin@samsung.com>
>> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
>> ---
>> disk/part_efi.c | 107
>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++
>> disk/part_efi.h | 2 +
>> include/part.h | 2 +
>> 3 files changed, 111 insertions(+), 0 deletions(-)
>>
>> diff --git a/disk/part_efi.c b/disk/part_efi.c
>> index b6cda57..ce25ad5 100644
>> --- a/disk/part_efi.c
>> +++ b/disk/part_efi.c
>> @@ -433,4 +433,111 @@ static int is_pte_valid(gpt_entry * pte)
>> return 1;
>> }
>> }
>> +
>> +void set_gpt_table(block_dev_desc_t *dev_desc, unsigned int
>> part_start_lba,
>> + int parts, unsigned int *blocks, unsigned int *part_offset)
>
> Is there any code anywhere that actually calls this function?
>
> I cannot see it, and we don't add dead code...
It used at generating partition when new partition information
downloaded by USB.
and it's preperation patch for it.
However, as you concerns thses codes are not yet posted. it will send
patches together next time.
Thank you,
Kyungmin Park
>
> Best regards,
>
> Wolfgang Denk
>
> --
> DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
> "If a computer can't directly address all the RAM you can use, it's
> just a toy." - anonymous comp.sys.amiga posting, non-sequitir
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2012-08-09 21:05 ` Wolfgang Denk
2012-08-09 23:53 ` Kyungmin Park
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