ieee1275.h 1.9 KB

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  1. /* ieee1275.h - Access the Open Firmware client interface. */
  2. /*
  3. * GRUB -- GRand Unified Bootloader
  4. * Copyright (C) 2003,2004,2005,2007,2009 Free Software Foundation, Inc.
  5. *
  6. * GRUB is free software: you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation, either version 3 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * GRUB is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
  18. */
  19. #ifndef GRUB_IEEE1275_MACHINE_HEADER
  20. #define GRUB_IEEE1275_MACHINE_HEADER 1
  21. #include <grub/types.h>
  22. #define GRUB_IEEE1275_CELL_SIZEOF 8
  23. typedef grub_uint64_t grub_ieee1275_cell_t;
  24. /* Encoding of 'mode' argument to grub_ieee1275_map_physical() */
  25. #define IEEE1275_MAP_WRITE 0x0001 /* Writable */
  26. #define IEEE1275_MAP_READ 0x0002 /* Readable */
  27. #define IEEE1275_MAP_EXEC 0x0004 /* Executable */
  28. #define IEEE1275_MAP_LOCKED 0x0010 /* Locked in TLB */
  29. #define IEEE1275_MAP_CACHED 0x0020 /* Cacheable */
  30. #define IEEE1275_MAP_SE 0x0040 /* Side-effects */
  31. #define IEEE1275_MAP_GLOBAL 0x0080 /* Global */
  32. #define IEEE1275_MAP_IE 0x0100 /* Invert Endianness */
  33. #define IEEE1275_MAP_DEFAULT (IEEE1275_MAP_WRITE | IEEE1275_MAP_READ | \
  34. IEEE1275_MAP_EXEC | IEEE1275_MAP_CACHED)
  35. extern int grub_ieee1275_claim_vaddr (grub_addr_t vaddr,
  36. grub_size_t size);
  37. extern int grub_ieee1275_alloc_physmem (grub_addr_t *paddr,
  38. grub_size_t size,
  39. grub_uint32_t align);
  40. extern grub_addr_t EXPORT_VAR (grub_ieee1275_original_stack);
  41. #endif /* ! GRUB_IEEE1275_MACHINE_HEADER */