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First compileable newreloc

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-01-10 00:30:33 +01:00
parent 5d2c52b8ca
commit 95c7fc3f55
13 changed files with 1007 additions and 405 deletions
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6
include/grub/i386/relocator.h
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@ -21,6 +21,7 @@
#include <grub/types.h>
#include <grub/err.h>
#include <grub/relocator.h>
struct grub_relocator32_state
{
@ -32,10 +33,7 @@ struct grub_relocator32_state
grub_uint32_t eip;
};
void *grub_relocator32_alloc (grub_size_t size);
grub_err_t grub_relocator32_boot (void *relocator, grub_uint32_t dest,
grub_err_t grub_relocator32_boot (struct grub_relocator *rel,
struct grub_relocator32_state state);
void *grub_relocator32_realloc (void *relocator, grub_size_t size);
void grub_relocator32_free (void *relocator);
#endif /* ! GRUB_RELOCATOR_CPU_HEADER */

2
include/grub/misc.h
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@ -43,6 +43,8 @@
#define ALIGN_UP(addr, align) \
((addr + (typeof (addr)) align - 1) & ~((typeof (addr)) align - 1))
#define ALIGN_DOWN(addr, align) \
((addr) & ~((typeof (addr)) align - 1))
#define ARRAY_SIZE(array) (sizeof (array) / sizeof (array[0]))
#define COMPILE_TIME_ASSERT(cond) switch (0) { case 1: case !(cond): ; }

62
include/grub/mm_private.h Normal file
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@ -0,0 +1,62 @@
/*
* 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_MM_PRIVATE_H
#define GRUB_MM_PRIVATE_H 1
#include <grub/mm.h>
/* Magic words. */
#define GRUB_MM_FREE_MAGIC 0x2d3c2808
#define GRUB_MM_ALLOC_MAGIC 0x6db08fa4
typedef struct grub_mm_header
{
struct grub_mm_header *next;
grub_size_t size;
grub_size_t magic;
#if GRUB_CPU_SIZEOF_VOID_P == 4
char padding[4];
#elif GRUB_CPU_SIZEOF_VOID_P == 8
char padding[8];
#else
# error "unknown word size"
#endif
}
*grub_mm_header_t;
#if GRUB_CPU_SIZEOF_VOID_P == 4
# define GRUB_MM_ALIGN_LOG2 4
#elif GRUB_CPU_SIZEOF_VOID_P == 8
# define GRUB_MM_ALIGN_LOG2 5
#endif
#define GRUB_MM_ALIGN (1 << GRUB_MM_ALIGN_LOG2)
typedef struct grub_mm_region
{
struct grub_mm_header *first;
struct grub_mm_region *next;
grub_size_t pre_size;
grub_size_t size;
}
*grub_mm_region_t;
extern grub_mm_region_t EXPORT_VAR (grub_mm_base);
#endif

42
include/grub/relocator.h Normal file
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@ -0,0 +1,42 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2009 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_RELOCATOR_HEADER
#define GRUB_RELOCATOR_HEADER 1
#include <grub/types.h>
#include <grub/err.h>
struct grub_relocator;
struct grub_relocator *grub_relocator_new (void);
grub_err_t
grub_relocator_alloc_chunk_addr (struct grub_relocator *rel, void **src,
grub_addr_t target, grub_size_t size);
grub_err_t
grub_relocator_alloc_chunk_align (struct grub_relocator *rel, void **src,
grub_addr_t *target,
grub_addr_t min_addr, grub_addr_t max_addr,
grub_size_t size, grub_size_t align);
void
grub_relocator_unload (struct grub_relocator *rel);
#endif

58
include/grub/relocator_private.h Normal file
View file

@ -0,0 +1,58 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2009 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_RELOCATOR_PRIVATE_HEADER
#define GRUB_RELOCATOR_PRIVATE_HEADER 1
#include <grub/types.h>
#include <grub/err.h>
extern grub_size_t grub_relocator_align;
extern grub_size_t grub_relocator_forward_size;
extern grub_size_t grub_relocator_backward_size;
extern grub_size_t grub_relocator_jumper_size;
struct grub_relocator
{
struct grub_relocator_chunk *chunks;
grub_addr_t postchunks;
grub_addr_t highestaddr;
grub_addr_t highestnonpostaddr;
grub_size_t relocators_size;
};
struct grub_relocator_chunk
{
struct grub_relocator_chunk *next;
grub_addr_t src;
grub_addr_t target;
grub_size_t size;
};
void
grub_cpu_relocator_init (void);
grub_err_t
grub_relocator_prepare_relocs (struct grub_relocator *rel, grub_addr_t addr,
grub_addr_t *relstart);
void grub_cpu_relocator_forward (void *rels, void *src, void *tgt,
grub_size_t size);
void grub_cpu_relocator_backward (void *rels, void *src, void *tgt,
grub_size_t size);
void grub_cpu_relocator_jumper (void *rels, grub_addr_t addr);
#endif