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C part of Reed-Solomon

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-09-24 14:05:47 +02:00
parent 6d0fa83c79
commit 4f0de6881c
9 changed files with 553 additions and 23 deletions
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9
include/grub/offsets.h
View file

@ -34,11 +34,16 @@
/* The offset of GRUB_INSTALL_BSD_PART. */
#define GRUB_KERNEL_I386_PC_INSTALL_BSD_PART 0x18
/* Offset of reed_solomon_redundancy. */
#define GRUB_KERNEL_I386_PC_REED_SOLOMON_REDUNDANCY 0x1c
/* The offset of multiboot signature. */
#define GRUB_KERNEL_I386_PC_MULTIBOOT_SIGNATURE 0x1c
#define GRUB_KERNEL_I386_PC_MULTIBOOT_SIGNATURE 0x20
/* The size of the first region which won't be compressed. */
#define GRUB_KERNEL_I386_PC_RAW_SIZE 0x5D8
#define GRUB_KERNEL_I386_PC_RAW_SIZE 0x5E0
#define GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_PART 0x300
/* The offset of GRUB_PREFIX. */
#define GRUB_KERNEL_I386_PC_PREFIX GRUB_KERNEL_I386_PC_RAW_SIZE

5
include/grub/partition.h
View file

@ -48,8 +48,9 @@ struct grub_partition_map
const grub_partition_t partition));
#ifdef GRUB_UTIL
/* Determine sectors available for embedding. */
grub_err_t (*embed) (struct grub_disk *disk, unsigned int nsectors,
grub_embed_type_t embed_type, grub_disk_addr_t *sectors);
grub_err_t (*embed) (struct grub_disk *disk, unsigned int *nsectors,
grub_embed_type_t embed_type,
grub_disk_addr_t **sectors);
#endif
};
typedef struct grub_partition_map *grub_partition_map_t;

30
include/grub/reed_solomon.h Normal file
View file

@ -0,0 +1,30 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2010 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_REED_SOLOMON_HEADER
#define GRUB_REED_SOLOMON_HEADER 1
void
grub_reed_solomon_add_redundancy (void *buffer, grub_size_t data_size,
grub_size_t redundancy);
void
grub_reed_solomon_recover (void *buffer, grub_size_t data_size,
grub_size_t redundancy);
#endif