arch/all-pc/boot/grub2-aros/include/grub/relocator.h

   1 /*
   2  *  GRUB  --  GRand Unified Bootloader
   3  *  Copyright (C) 2009  Free Software Foundation, Inc.
   4  *
   5  *  GRUB is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  GRUB is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef GRUB_RELOCATOR_HEADER
  20 #define GRUB_RELOCATOR_HEADER   1
  21
  22 #include <grub/types.h>
  23 #include <grub/err.h>
  24 #include <grub/memory.h>
  25 #include <grub/cpu/memory.h>
  26
  27 struct grub_relocator;
  28 struct grub_relocator_chunk;
  29 typedef const struct grub_relocator_chunk *grub_relocator_chunk_t;
  30
  31 struct grub_relocator *grub_relocator_new (void);
  32
  33 grub_err_t
  34 grub_relocator_alloc_chunk_addr (struct grub_relocator *rel,
  35                                  grub_relocator_chunk_t *out,
  36                                  grub_phys_addr_t target, grub_size_t size);
  37
  38 void *
  39 get_virtual_current_address (grub_relocator_chunk_t in);
  40 grub_phys_addr_t
  41 get_physical_target_address (grub_relocator_chunk_t in);
  42
  43 grub_err_t
  44 grub_relocator_alloc_chunk_align (struct grub_relocator *rel,
  45                                   grub_relocator_chunk_t *out,
  46                                   grub_phys_addr_t min_addr,
  47                                   grub_phys_addr_t max_addr,
  48                                   grub_size_t size, grub_size_t align,
  49                                   int preference);
  50
  51 #define GRUB_RELOCATOR_PREFERENCE_NONE 0
  52 #define GRUB_RELOCATOR_PREFERENCE_LOW 1
  53 #define GRUB_RELOCATOR_PREFERENCE_HIGH 2
  54
  55 void
  56 grub_relocator_unload (struct grub_relocator *rel);
  57
  58 #endif