mirror of
https://git.proxmox.com/git/grub2
synced 2025-10-31 06:40:12 +00:00
92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/*
|
|
* 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;
|
|
}
|