diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/drivers/partition/gpt.h | 75 | ||||
| -rw-r--r-- | include/drivers/partition/mbr.h | 53 | ||||
| -rw-r--r-- | include/drivers/partition/partition.h | 63 |
3 files changed, 191 insertions, 0 deletions
diff --git a/include/drivers/partition/gpt.h b/include/drivers/partition/gpt.h new file mode 100644 index 00000000..bd0a7f03 --- /dev/null +++ b/include/drivers/partition/gpt.h @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __GPT_H__ +#define __GPT_H__ + +#include <partition.h> + +#define PARTITION_TYPE_GPT 0xee +#define GPT_HEADER_OFFSET PARTITION_BLOCK_SIZE +#define GPT_ENTRY_OFFSET (GPT_HEADER_OFFSET + \ + PARTITION_BLOCK_SIZE) +#define GUID_LEN 16 + +#define GPT_SIGNATURE "EFI PART" + +typedef struct gpt_entry { + unsigned char type_uuid[GUID_LEN]; + unsigned char unique_uuid[GUID_LEN]; + unsigned long long first_lba; + unsigned long long last_lba; + unsigned long long attr; + unsigned short name[EFI_NAMELEN]; +} gpt_entry_t; + +typedef struct gpt_header { + unsigned char signature[8]; + unsigned int revision; + unsigned int size; + unsigned int header_crc; + unsigned int reserved; + unsigned long long current_lba; + unsigned long long backup_lba; + unsigned long long first_lba; + unsigned long long last_lba; + unsigned char disk_uuid[16]; + /* starting LBA of array of partition entries */ + unsigned long long part_lba; + /* number of partition entries in array */ + unsigned int list_num; + /* size of a single partition entry (usually 128) */ + unsigned int part_size; + unsigned int part_crc; +} gpt_header_t; + +int parse_gpt_entry(gpt_entry_t *gpt_entry, partition_entry_t *entry); + +#endif /* __GPT_H__ */ diff --git a/include/drivers/partition/mbr.h b/include/drivers/partition/mbr.h new file mode 100644 index 00000000..5287e284 --- /dev/null +++ b/include/drivers/partition/mbr.h @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __MBR_H__ +#define __MBR_H__ + +#define MBR_OFFSET 0 + +#define MBR_PRIMARY_ENTRY_OFFSET 0x1be +#define MBR_PRIMARY_ENTRY_SIZE 0x10 +#define MBR_PRIMARY_ENTRY_NUMBER 4 +#define MBR_CHS_ADDRESS_LEN 3 + +#define MBR_SIGNATURE_FIRST 0x55 +#define MBR_SIGNATURE_SECOND 0xAA + +typedef struct mbr_entry { + unsigned char status; + unsigned char first_sector[MBR_CHS_ADDRESS_LEN]; + unsigned char type; + unsigned char last_sector[MBR_CHS_ADDRESS_LEN]; + unsigned int first_lba; + unsigned int sector_nums; +} mbr_entry_t; + +#endif /* __MBR_H__ */ diff --git a/include/drivers/partition/partition.h b/include/drivers/partition/partition.h new file mode 100644 index 00000000..9d7221dd --- /dev/null +++ b/include/drivers/partition/partition.h @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __PARTITION_H__ +#define __PARTITION_H__ + +#include <cassert.h> +#include <types.h> + +#if !PLAT_PARTITION_MAX_ENTRIES +# define PLAT_PARTITION_MAX_ENTRIES 128 +#endif /* PLAT_PARTITION_MAX_ENTRIES */ + +CASSERT(PLAT_PARTITION_MAX_ENTRIES <= 128, assert_plat_partition_max_entries); + +#define PARTITION_BLOCK_SIZE 512 + +#define EFI_NAMELEN 36 + +typedef struct partition_entry { + uint64_t start; + uint64_t length; + char name[EFI_NAMELEN]; +} partition_entry_t; + +typedef struct partition_entry_list { + partition_entry_t list[PLAT_PARTITION_MAX_ENTRIES]; + int entry_count; +} partition_entry_list_t; + +int load_partition_table(unsigned int image_id); +const partition_entry_t *get_partition_entry(const char *name); +const partition_entry_list_t *get_partition_entry_list(void); +void partition_init(unsigned int image_id); + +#endif /* __PARTITION_H__ */ |