1 /* ieee1275.h - Access the Open Firmware client interface. */
3 * GRUB -- GRand Unified Bootloader
4 * Copyright (C) 2003,2004,2005,2007,2009 Free Software Foundation, Inc.
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.
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.
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/>.
20 #ifndef GRUB_IEEE1275_MACHINE_HEADER
21 #define GRUB_IEEE1275_MACHINE_HEADER 1
23 #include <grub/types.h>
25 #define GRUB_IEEE1275_CELL_SIZEOF 8
26 typedef grub_uint64_t grub_ieee1275_cell_t;
28 /* Encoding of 'mode' argument to grub_ieee1275_map_physical() */
29 #define IEEE1275_MAP_WRITE 0x0001 /* Writable */
30 #define IEEE1275_MAP_READ 0x0002 /* Readable */
31 #define IEEE1275_MAP_EXEC 0x0004 /* Executable */
32 #define IEEE1275_MAP_LOCKED 0x0010 /* Locked in TLB */
33 #define IEEE1275_MAP_CACHED 0x0020 /* Cacheable */
34 #define IEEE1275_MAP_SE 0x0040 /* Side-effects */
35 #define IEEE1275_MAP_GLOBAL 0x0080 /* Global */
36 #define IEEE1275_MAP_IE 0x0100 /* Invert Endianness */
37 #define IEEE1275_MAP_DEFAULT (IEEE1275_MAP_WRITE | IEEE1275_MAP_READ | \
38 IEEE1275_MAP_EXEC | IEEE1275_MAP_CACHED)
40 extern int EXPORT_FUNC(grub_ieee1275_claim_vaddr) (grub_addr_t vaddr,
42 extern int EXPORT_FUNC(grub_ieee1275_alloc_physmem) (grub_addr_t *paddr,
45 extern grub_uint64_t EXPORT_FUNC(grub_ieee1275_num_blocks) (grub_uint32_t ihandle);
47 extern grub_addr_t EXPORT_VAR (grub_ieee1275_original_stack);
49 #endif /* ! GRUB_IEEE1275_MACHINE_HEADER */