/*
 *  VasEBoot  --  GRand Unified Bootloader
 *  Copyright (C) 2009  Free Software Foundation, Inc.
 *
 *  VasEBoot 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.
 *
 *  VasEBoot 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 VasEBoot.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef VasEBoot_RELOCATOR_HEADER
#define VasEBoot_RELOCATOR_HEADER	1

#include <VasEBoot/types.h>
#include <VasEBoot/err.h>
#include <VasEBoot/memory.h>
#include <VasEBoot/cpu/memory.h>

struct VasEBoot_relocator;
struct VasEBoot_relocator_chunk;
typedef const struct VasEBoot_relocator_chunk *VasEBoot_relocator_chunk_t;

struct VasEBoot_relocator *VasEBoot_relocator_new (void);

VasEBoot_err_t
VasEBoot_relocator_alloc_chunk_addr (struct VasEBoot_relocator *rel,
				 VasEBoot_relocator_chunk_t *out,
				 VasEBoot_phys_addr_t target, VasEBoot_size_t size);

void *
get_virtual_current_address (VasEBoot_relocator_chunk_t in);
VasEBoot_phys_addr_t
get_physical_target_address (VasEBoot_relocator_chunk_t in);

VasEBoot_err_t
VasEBoot_relocator_alloc_chunk_align (struct VasEBoot_relocator *rel, 
				  VasEBoot_relocator_chunk_t *out,
				  VasEBoot_phys_addr_t min_addr,
				  VasEBoot_phys_addr_t max_addr,
				  VasEBoot_size_t size, VasEBoot_size_t align,
				  int preference,
				  int avoid_efi_boot_services);

#define VasEBoot_RELOCATOR_PREFERENCE_NONE 0
#define VasEBoot_RELOCATOR_PREFERENCE_LOW 1
#define VasEBoot_RELOCATOR_PREFERENCE_HIGH 2

void
VasEBoot_relocator_unload (struct VasEBoot_relocator *rel);

#endif