| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 2009 Free Software Foundation, Inc. |
| * |
| * GRUB 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. |
| * |
| * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <grub/ieee1275/ieee1275.h> |
| #include <grub/types.h> |
| |
| /* Sun specific ieee1275 interfaces used by GRUB. */ |
| |
| int |
| grub_ieee1275_claim_vaddr (grub_addr_t vaddr, grub_size_t size) |
| { |
| struct claim_vaddr_args |
| { |
| struct grub_ieee1275_common_hdr common; |
| grub_ieee1275_cell_t method; |
| grub_ieee1275_cell_t ihandle; |
| grub_ieee1275_cell_t align; |
| grub_ieee1275_cell_t size; |
| grub_ieee1275_cell_t virt; |
| grub_ieee1275_cell_t catch_result; |
| } |
| args; |
| |
| INIT_IEEE1275_COMMON (&args.common, "call-method", 5, 2); |
| args.method = (grub_ieee1275_cell_t) "claim"; |
| args.ihandle = grub_ieee1275_mmu; |
| args.align = 0; |
| args.size = size; |
| args.virt = vaddr; |
| args.catch_result = (grub_ieee1275_cell_t) -1; |
| |
| if (IEEE1275_CALL_ENTRY_FN (&args) == -1) |
| return -1; |
| return args.catch_result; |
| } |
| |
| int |
| grub_ieee1275_alloc_physmem (grub_addr_t *paddr, grub_size_t size, |
| grub_uint32_t align) |
| { |
| grub_uint32_t memory_ihandle; |
| struct alloc_physmem_args |
| { |
| struct grub_ieee1275_common_hdr common; |
| grub_ieee1275_cell_t method; |
| grub_ieee1275_cell_t ihandle; |
| grub_ieee1275_cell_t align; |
| grub_ieee1275_cell_t size; |
| grub_ieee1275_cell_t catch_result; |
| grub_ieee1275_cell_t phys_high; |
| grub_ieee1275_cell_t phys_low; |
| } |
| args; |
| grub_ssize_t actual = 0; |
| |
| grub_ieee1275_get_property (grub_ieee1275_chosen, "memory", |
| &memory_ihandle, sizeof (memory_ihandle), |
| &actual); |
| if (actual != sizeof (memory_ihandle)) |
| return -1; |
| |
| if (!align) |
| align = 1; |
| |
| INIT_IEEE1275_COMMON (&args.common, "call-method", 4, 3); |
| args.method = (grub_ieee1275_cell_t) "claim"; |
| args.ihandle = memory_ihandle; |
| args.align = (align ? align : 1); |
| args.size = size; |
| if (IEEE1275_CALL_ENTRY_FN (&args) == -1) |
| return -1; |
| |
| *paddr = args.phys_low; |
| |
| return args.catch_result; |
| } |