2 * GRUB -- GRand Unified Bootloader
3 * Copyright (C) 2009 Free Software Foundation, Inc.
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.
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.
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/>.
19 #include <grub/ieee1275/ieee1275.h>
20 #include <grub/types.h>
22 /* Sun specific ieee1275 interfaces used by GRUB. */
25 grub_ieee1275_claim_vaddr (grub_addr_t vaddr, grub_size_t size)
27 struct claim_vaddr_args
29 struct grub_ieee1275_common_hdr common;
30 grub_ieee1275_cell_t method;
31 grub_ieee1275_cell_t ihandle;
32 grub_ieee1275_cell_t align;
33 grub_ieee1275_cell_t size;
34 grub_ieee1275_cell_t virt;
35 grub_ieee1275_cell_t catch_result;
39 INIT_IEEE1275_COMMON (&args.common, "call-method", 5, 2);
40 args.method = (grub_ieee1275_cell_t) "claim";
41 args.ihandle = grub_ieee1275_mmu;
45 args.catch_result = (grub_ieee1275_cell_t) -1;
47 if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
49 return args.catch_result;
53 grub_ieee1275_alloc_physmem (grub_addr_t *paddr, grub_size_t size,
56 grub_uint32_t memory_ihandle;
57 struct alloc_physmem_args
59 struct grub_ieee1275_common_hdr common;
60 grub_ieee1275_cell_t method;
61 grub_ieee1275_cell_t ihandle;
62 grub_ieee1275_cell_t align;
63 grub_ieee1275_cell_t size;
64 grub_ieee1275_cell_t catch_result;
65 grub_ieee1275_cell_t phys_high;
66 grub_ieee1275_cell_t phys_low;
69 grub_ssize_t actual = 0;
71 grub_ieee1275_get_property (grub_ieee1275_chosen, "memory",
72 &memory_ihandle, sizeof (memory_ihandle),
74 if (actual != sizeof (memory_ihandle))
80 INIT_IEEE1275_COMMON (&args.common, "call-method", 4, 3);
81 args.method = (grub_ieee1275_cell_t) "claim";
82 args.ihandle = memory_ihandle;
83 args.align = (align ? align : 1);
85 if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
88 *paddr = args.phys_low;
90 return args.catch_result;
94 grub_ieee1275_num_blocks (grub_ieee1275_ihandle_t ihandle)
96 struct nblocks_args_ieee1275
98 struct grub_ieee1275_common_hdr common;
99 grub_ieee1275_cell_t method;
100 grub_ieee1275_cell_t ihandle;
101 grub_ieee1275_cell_t catch_result;
102 grub_ieee1275_cell_t blocks;
106 INIT_IEEE1275_COMMON (&args.common, "call-method", 2, 2);
107 args.method = (grub_ieee1275_cell_t) "#blocks";
108 args.ihandle = ihandle;
109 args.catch_result = 1;
111 if ((IEEE1275_CALL_ENTRY_FN (&args) == -1) || (args.catch_result != 0))
115 * If the number of blocks exceeds the range of an unsigned number,
116 * return 0 to alert the caller to try the #blocks64 command.
118 if (args.blocks >= 0xffffffffULL)