diff options
| -rw-r--r-- | README | 2 | ||||
| -rw-r--r-- | disk/Makefile | 1 | ||||
| -rw-r--r-- | disk/part.c | 33 | ||||
| -rw-r--r-- | disk/part_efi.c | 425 | ||||
| -rw-r--r-- | disk/part_efi.h | 138 | ||||
| -rw-r--r-- | include/part.h | 8 | 
6 files changed, 603 insertions, 4 deletions
| @@ -687,7 +687,7 @@ The following options need to be configured:  - Partition Support:  		CONFIG_MAC_PARTITION and/or CONFIG_DOS_PARTITION -		and/or CONFIG_ISO_PARTITION +		and/or CONFIG_ISO_PARTITION and/or CONFIG_EFI_PARTITION  		If IDE or SCSI support is enabled (CONFIG_CMD_IDE or  		CONFIG_CMD_SCSI) you must configure support for at diff --git a/disk/Makefile b/disk/Makefile index f19d18d89..c4791451c 100644 --- a/disk/Makefile +++ b/disk/Makefile @@ -32,6 +32,7 @@ COBJS-y += part_mac.o  COBJS-y += part_dos.o  COBJS-y += part_iso.o  COBJS-y += part_amiga.o +COBJS-y += part_efi.o  COBJS	:= $(COBJS-y)  SRCS	:= $(COBJS:.o=.c) diff --git a/disk/part.c b/disk/part.c index 80532a7a7..e2bf4ab84 100644 --- a/disk/part.c +++ b/disk/part.c @@ -212,7 +212,8 @@ void dev_print (block_dev_desc_t *dev_desc)  #if defined(CONFIG_MAC_PARTITION) || \      defined(CONFIG_DOS_PARTITION) || \      defined(CONFIG_ISO_PARTITION) || \ -    defined(CONFIG_AMIGA_PARTITION) +    defined(CONFIG_AMIGA_PARTITION) || \ +    defined(CONFIG_EFI_PARTITION)  void init_part (block_dev_desc_t * dev_desc)  { @@ -230,6 +231,14 @@ void init_part (block_dev_desc_t * dev_desc)  	}  #endif +/* must be placed before DOS partition detection */ +#ifdef CONFIG_EFI_PARTITION +	if (test_part_efi(dev_desc) == 0) { +		dev_desc->part_type = PART_TYPE_EFI; +		return; +	} +#endif +  #ifdef CONFIG_DOS_PARTITION  	if (test_part_dos(dev_desc) == 0) {  		dev_desc->part_type = PART_TYPE_DOS; @@ -286,6 +295,15 @@ int get_partition_info (block_dev_desc_t *dev_desc, int part  	    }  	    break;  #endif + +#ifdef CONFIG_EFI_PARTITION +	case PART_TYPE_EFI: +		if (get_partition_info_efi(dev_desc,part,info) == 0) { +			PRINTF ("## Valid EFI partition found ##\n"); +			return (0); +		} +		break; +#endif  	default:  		break;  	} @@ -356,14 +374,23 @@ void print_part (block_dev_desc_t * dev_desc)  	    print_part_amiga (dev_desc);  	    return;  #endif + +#ifdef CONFIG_EFI_PARTITION +	case PART_TYPE_EFI: +		PRINTF ("## Testing for valid EFI partition ##\n"); +		print_part_header ("EFI", dev_desc); +		print_part_efi (dev_desc); +		return; +#endif  	}  	puts ("## Unknown partition table\n");  } -#else	/* neither MAC nor DOS nor ISO partition configured */ +#else	/* neither MAC nor DOS nor ISO nor AMIGA nor EFI partition configured */  # error neither CONFIG_MAC_PARTITION nor CONFIG_DOS_PARTITION -# error nor CONFIG_ISO_PARTITION configured! +# error nor CONFIG_ISO_PARTITION nor CONFIG_AMIGA_PARTITION +# error nor CONFIG_EFI_PARTITION configured!  #endif  #endif diff --git a/disk/part_efi.c b/disk/part_efi.c new file mode 100644 index 000000000..979019ac8 --- /dev/null +++ b/disk/part_efi.c @@ -0,0 +1,425 @@ +/* + * Copyright (C) 2008 RuggedCom, Inc. + * Richard Retanubun <RichardRetanubun@RuggedCom.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Problems with CFG_64BIT_LBA: + * + * struct disk_partition.start in include/part.h is sized as ulong. + * When CFG_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 + */ +#include <common.h> +#include <command.h> +#include <ide.h> +#include <malloc.h> +#include "part_efi.h" + +#if (defined(CONFIG_CMD_IDE) || \ +     defined(CONFIG_CMD_SATA) || \ +     defined(CONFIG_CMD_SCSI) || \ +     defined(CONFIG_CMD_USB) || \ +     defined(CONFIG_MMC) || \ +     defined(CONFIG_SYSTEMACE) ) && defined(CONFIG_EFI_PARTITION) + +/* Convert char[2] in little endian format to the host format integer + */ +static inline unsigned short le16_to_int(unsigned char *le16) +{ +	return ((le16[1] << 8) + le16[0]); +} + +/* Convert char[4] in little endian format to the host format integer + */ +static inline unsigned long le32_to_int(unsigned char *le32) +{ +	return ((le32[3] << 24) + (le32[2] << 16) + (le32[1] << 8) + le32[0]); +} + +/* Convert char[8] in little endian format to the host format integer + */ +static inline unsigned long long le64_to_int(unsigned char *le64) +{ +	return (((unsigned long long)le64[7] << 56) + +		((unsigned long long)le64[6] << 48) + +		((unsigned long long)le64[5] << 40) + +		((unsigned long long)le64[4] << 32) + +		((unsigned long long)le64[3] << 24) + +		((unsigned long long)le64[2] << 16) + +		((unsigned long long)le64[1] << 8) + +		(unsigned long long)le64[0]); +} + +/** + * 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 + */ +static inline unsigned long efi_crc32(const void *buf, unsigned long len) +{ +	return crc32(0, buf, len); +} + +/* + * Private function prototypes + */ + +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 gpt_entry *alloc_read_gpt_entries(block_dev_desc_t * dev_desc, +				gpt_header * pgpt_head); + +static int is_pte_valid(gpt_entry * pte); + +/* + * Public Functions (include/part.h) + */ + +void print_part_efi(block_dev_desc_t * dev_desc) +{ +	gpt_header gpt_head; +	gpt_entry **pgpt_pte = NULL; +	int i = 0; + +	if (!dev_desc) { +		printf("%s: Invalid Argument(s)\n", __FUNCTION__); +		return; +	} +	/* This function validates AND fills in the GPT header and PTE */ +	if (is_gpt_valid(dev_desc, GPT_PRIMARY_PARTITION_TABLE_LBA, +			 &(gpt_head), pgpt_pte) != 1) { +		printf("%s: *** ERROR: Invalid GPT ***\n", __FUNCTION__); +		return; +	} + +	debug("%s: gpt-entry at 0x%08X\n", __FUNCTION__, (unsigned int)*pgpt_pte); + +	printf("Part  Start LBA  End LBA\n"); +	for (i = 0; i < le32_to_int(gpt_head.num_partition_entries); i++) { + +		if (is_pte_valid(&(*pgpt_pte)[i])) { +			printf("%s%d  0x%llX    0x%llX\n", GPT_ENTRY_NAME, +				(i + 1), +				le64_to_int((*pgpt_pte)[i].starting_lba), +				le64_to_int((*pgpt_pte)[i].ending_lba)); +		} else { +			break;	/* Stop at the first non valid PTE */ +		} +	} + +	/* Remember to free pte */ +	if (*pgpt_pte != NULL) { +		debug("%s: Freeing pgpt_pte\n", __FUNCTION__); +		free(*pgpt_pte); +	} +	return; +} + +int get_partition_info_efi(block_dev_desc_t * dev_desc, int part, +				disk_partition_t * info) +{ +	gpt_header gpt_head; +	gpt_entry **pgpt_pte = NULL; + +	/* "part" argument must be at least 1 */ +	if (!dev_desc || !info || part < 1) { +		printf("%s: Invalid Argument(s)\n", __FUNCTION__); +		return -1; +	} + +	/* This function validates AND fills in the GPT header and PTE */ +	if (is_gpt_valid(dev_desc, GPT_PRIMARY_PARTITION_TABLE_LBA, +			&(gpt_head), pgpt_pte) != 1) { +		printf("%s: *** ERROR: Invalid GPT ***\n", __FUNCTION__); +		return -1; +	} + +	/* The ulong casting limits the maximum disk size to 2 TB */ +	info->start = (ulong) le64_to_int((*pgpt_pte)[part - 1].starting_lba); +	info->size = (ulong) le64_to_int((*pgpt_pte)[part - 1].ending_lba) - info->start; +	info->blksz = GPT_BLOCK_SIZE; + +	sprintf((char *)info->name, "%s%d\n", GPT_ENTRY_NAME, part); +	sprintf((char *)info->type, "U-Boot"); + +	debug("%s: start 0x%lX, size 0x%lX, name %s", __FUNCTION__, +		info->start, info->size, info->name); + +	/* Remember to free pte */ +	if (*pgpt_pte != NULL) { +		debug("%s: Freeing pgpt_pte\n", __FUNCTION__); +		free(*pgpt_pte); +	} +	return 0; +} + +int test_part_efi(block_dev_desc_t * dev_desc) +{ +	legacy_mbr legacymbr; + +	/* Read legacy MBR from block 0 and validate it */ +	if ((dev_desc->block_read(dev_desc->dev, 0, 1, (ulong *) & legacymbr) != 1) +		|| (is_pmbr_valid(&legacymbr) != 1)) { +		return -1; +	} +	return 0; +} + +/* + * 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 && +		le32_to_int(part->start_sect) == 1UL) { +		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; + +	if (!mbr || le16_to_int(mbr->signature) != MSDOS_MBR_SIGNATURE) { +		return 0; +	} + +	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. + */ +static int is_gpt_valid(block_dev_desc_t * dev_desc, unsigned long long lba, +			gpt_header * pgpt_head, gpt_entry ** pgpt_pte) +{ +	unsigned char crc32_backup[4] = { 0 }; +	unsigned long calc_crc32; +	unsigned long long lastlba; + +	if (!dev_desc || !pgpt_head) { +		printf("%s: Invalid Argument(s)\n", __FUNCTION__); +		return 0; +	} + +	/* Read GPT Header from device */ +	if (dev_desc->block_read(dev_desc->dev, lba, 1, pgpt_head) != 1) { +		printf("*** ERROR: Can't read GPT header ***\n"); +		return 0; +	} + +	/* Check the GPT header signature */ +	if (le64_to_int(pgpt_head->signature) != GPT_HEADER_SIGNATURE) { +		printf("GUID Partition Table Header signature is wrong:" +			"0x%llX != 0x%llX\n", +			(unsigned long long)le64_to_int(pgpt_head->signature), +			(unsigned long long)GPT_HEADER_SIGNATURE); +		return 0; +	} + +	/* Check the GUID Partition Table CRC */ +	memcpy(crc32_backup, pgpt_head->header_crc32, sizeof(crc32_backup)); +	memset(pgpt_head->header_crc32, 0, sizeof(pgpt_head->header_crc32)); + +	calc_crc32 = efi_crc32((const unsigned char *)pgpt_head, +		le32_to_int(pgpt_head->header_size)); + +	memcpy(pgpt_head->header_crc32, crc32_backup, sizeof(crc32_backup)); + +	if (calc_crc32 != le32_to_int(crc32_backup)) { +		printf("GUID Partition Table Header CRC is wrong:" +			"0x%08lX != 0x%08lX\n", +			le32_to_int(crc32_backup), calc_crc32); +		return 0; +	} + +	/* Check that the my_lba entry points to the LBA that contains the GPT */ +	if (le64_to_int(pgpt_head->my_lba) != lba) { +		printf("GPT: my_lba incorrect: %llX != %llX\n", +			(unsigned long long)le64_to_int(pgpt_head->my_lba), +			(unsigned long long)lba); +		return 0; +	} + +	/* Check the first_usable_lba and last_usable_lba are within the disk. */ +	lastlba = (unsigned long long)dev_desc->lba; +	if (le64_to_int(pgpt_head->first_usable_lba) > lastlba) { +		printf("GPT: first_usable_lba incorrect: %llX > %llX\n", +			le64_to_int(pgpt_head->first_usable_lba), lastlba); +		return 0; +	} +	if (le64_to_int(pgpt_head->last_usable_lba) > lastlba) { +		printf("GPT: last_usable_lba incorrect: %llX > %llX\n", +			le64_to_int(pgpt_head->last_usable_lba), lastlba); +		return 0; +	} + +	debug("GPT: first_usable_lba: %llX last_usable_lba %llX last lba %llX\n", +		le64_to_int(pgpt_head->first_usable_lba), +		le64_to_int(pgpt_head->last_usable_lba), lastlba); + +	/* 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\n"); +		return 0; +	} + +	/* Check the GUID Partition Table Entry Array CRC */ +	calc_crc32 = efi_crc32((const unsigned char *)*pgpt_pte, +		le32_to_int(pgpt_head->num_partition_entries) * +		le32_to_int(pgpt_head->sizeof_partition_entry)); + +	if (calc_crc32 != le32_to_int(pgpt_head->partition_entry_array_crc32)) { +		printf("GUID Partition Table Entry Array CRC is wrong:" +			"0x%08lX != 0x%08lX\n", +			le32_to_int(pgpt_head->partition_entry_array_crc32), +			calc_crc32); + +		if (*pgpt_pte != NULL) { +			free(*pgpt_pte); +		} +		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! + */ +static gpt_entry *alloc_read_gpt_entries(block_dev_desc_t * dev_desc, +					 gpt_header * pgpt_head) +{ +	size_t count = 0; +	gpt_entry *pte = NULL; + +	if (!dev_desc || !pgpt_head) { +		printf("%s: Invalid Argument(s)\n", __FUNCTION__); +		return NULL; +	} + +	count = le32_to_int(pgpt_head->num_partition_entries) * +		le32_to_int(pgpt_head->sizeof_partition_entry); + +	debug("%s: count = %lu * %lu = %u\n", __FUNCTION__, +		le32_to_int(pgpt_head->num_partition_entries), +		le32_to_int(pgpt_head->sizeof_partition_entry), count); + +	/* Allocate memory for PTE, remember to FREE */ +	if (count != 0) { +		pte = malloc(count); +	} + +	if (count == 0 || pte == NULL) { +		printf("%s: ERROR: Can't allocate 0x%X bytes for GPT Entries\n", +			__FUNCTION__, count); +		return NULL; +	} + +	/* Read GPT Entries from device */ +	if (dev_desc->block_read (dev_desc->dev, +		(unsigned long)le64_to_int(pgpt_head->partition_entry_lba), +		(lbaint_t) (count / GPT_BLOCK_SIZE), pte) +		!= (count / GPT_BLOCK_SIZE)) { + +		printf("*** ERROR: Can't read GPT Entries ***\n"); +		free(pte); +		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) { +		printf("%s: Invalid Argument(s)\n", __FUNCTION__); +		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) { + +		debug("%s: Found an unused PTE GUID at 0x%08X\n", __FUNCTION__, +		(unsigned int)pte); + +		return 0; +	} else { +		return 1; +	} +} +#endif diff --git a/disk/part_efi.h b/disk/part_efi.h new file mode 100644 index 000000000..aad905daa --- /dev/null +++ b/disk/part_efi.h @@ -0,0 +1,138 @@ +/* + * Copyright (C) 2008 RuggedCom, Inc. + * Richard Retanubun <RichardRetanubun@RuggedCom.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * See also linux/fs/partitions/efi.h + * + * EFI GUID Partition Table + * Per Intel EFI Specification v1.02 + * http://developer.intel.com/technology/efi/efi.htm +*/ + +#ifndef _DISK_PART_EFI_H +#define _DISK_PART_EFI_H + +#define MSDOS_MBR_SIGNATURE 0xAA55 +#define EFI_PMBR_OSTYPE_EFI 0xEF +#define EFI_PMBR_OSTYPE_EFI_GPT 0xEE + +#define GPT_BLOCK_SIZE 512 +#define GPT_HEADER_SIGNATURE 0x5452415020494645ULL +#define GPT_HEADER_REVISION_V1 0x00010000 +#define GPT_PRIMARY_PARTITION_TABLE_LBA 1ULL +#define GPT_ENTRY_NAME "gpt" + +#define EFI_GUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \ +((efi_guid_t) \ +{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ +  (b) & 0xff, ((b) >> 8) & 0xff, \ +  (c) & 0xff, ((c) >> 8) & 0xff, \ +  (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }}) + +#define PARTITION_SYSTEM_GUID \ +    EFI_GUID( 0xC12A7328, 0xF81F, 0x11d2, \ +              0xBA, 0x4B, 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B) +#define LEGACY_MBR_PARTITION_GUID \ +    EFI_GUID( 0x024DEE41, 0x33E7, 0x11d3, \ +              0x9D, 0x69, 0x00, 0x08, 0xC7, 0x81, 0xF3, 0x9F) +#define PARTITION_MSFT_RESERVED_GUID \ +    EFI_GUID( 0xE3C9E316, 0x0B5C, 0x4DB8, \ +              0x81, 0x7D, 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE) +#define PARTITION_BASIC_DATA_GUID \ +    EFI_GUID( 0xEBD0A0A2, 0xB9E5, 0x4433, \ +              0x87, 0xC0, 0x68, 0xB6, 0xB7, 0x26, 0x99, 0xC7) +#define PARTITION_LINUX_RAID_GUID \ +    EFI_GUID( 0xa19d880f, 0x05fc, 0x4d3b, \ +              0xa0, 0x06, 0x74, 0x3f, 0x0f, 0x84, 0x91, 0x1e) +#define PARTITION_LINUX_SWAP_GUID \ +    EFI_GUID( 0x0657fd6d, 0xa4ab, 0x43c4, \ +              0x84, 0xe5, 0x09, 0x33, 0xc8, 0x4b, 0x4f, 0x4f) +#define PARTITION_LINUX_LVM_GUID \ +    EFI_GUID( 0xe6d6d379, 0xf507, 0x44c2, \ +              0xa2, 0x3c, 0x23, 0x8f, 0x2a, 0x3d, 0xf9, 0x28) + +/* linux/include/efi.h */ +typedef unsigned short efi_char16_t; + +typedef struct { +	unsigned char b[16]; +} efi_guid_t; + +/* based on linux/include/genhd.h */ +struct partition { +	unsigned char boot_ind;	/* 0x80 - active */ +	unsigned char head;	/* starting head */ +	unsigned char sector;	/* starting sector */ +	unsigned char cyl;	/* starting cylinder */ +	unsigned char sys_ind;	/* What partition type */ +	unsigned char end_head;	/* end head */ +	unsigned char end_sector;	/* end sector */ +	unsigned char end_cyl;	/* end cylinder */ +	unsigned char start_sect[4];	/* starting sector counting from 0 */ +	unsigned char nr_sects[4];	/* nr of sectors in partition */ +} __attribute__ ((packed)); + +/* based on linux/fs/partitions/efi.h */ +typedef struct _gpt_header { +	unsigned char signature[8]; +	unsigned char revision[4]; +	unsigned char header_size[4]; +	unsigned char header_crc32[4]; +	unsigned char reserved1[4]; +	unsigned char my_lba[8]; +	unsigned char alternate_lba[8]; +	unsigned char first_usable_lba[8]; +	unsigned char last_usable_lba[8]; +	efi_guid_t disk_guid; +	unsigned char partition_entry_lba[8]; +	unsigned char num_partition_entries[4]; +	unsigned char sizeof_partition_entry[4]; +	unsigned char partition_entry_array_crc32[4]; +	unsigned char reserved2[GPT_BLOCK_SIZE - 92]; +} __attribute__ ((packed)) gpt_header; + +typedef struct _gpt_entry_attributes { +	unsigned long long required_to_function:1; +	unsigned long long reserved:47; +	unsigned long long type_guid_specific:16; +} __attribute__ ((packed)) gpt_entry_attributes; + +typedef struct _gpt_entry { +	efi_guid_t partition_type_guid; +	efi_guid_t unique_partition_guid; +	unsigned char starting_lba[8]; +	unsigned char ending_lba[8]; +	gpt_entry_attributes attributes; +	efi_char16_t partition_name[72 / sizeof(efi_char16_t)]; +} +__attribute__ ((packed)) gpt_entry; + +typedef struct _legacy_mbr { +	unsigned char boot_code[440]; +	unsigned char unique_mbr_signature[4]; +	unsigned char unknown[2]; +	struct partition partition_record[4]; +	unsigned char signature[2]; +} __attribute__ ((packed)) legacy_mbr; + +#endif				/* _DISK_PART_EFI_H */ diff --git a/include/part.h b/include/part.h index b22a637dd..980fd0435 100644 --- a/include/part.h +++ b/include/part.h @@ -69,6 +69,7 @@ typedef struct block_dev_desc {  #define PART_TYPE_DOS		0x02  #define PART_TYPE_ISO		0x03  #define PART_TYPE_AMIGA		0x04 +#define PART_TYPE_EFI		0x05  /*   * Type string for U-Boot bootable partitions @@ -135,4 +136,11 @@ void print_part_amiga (block_dev_desc_t *dev_desc);  int   test_part_amiga (block_dev_desc_t *dev_desc);  #endif +#ifdef CONFIG_EFI_PARTITION +/* disk/part_efi.c */ +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); +#endif +  #endif /* _PART_H */ |