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git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - arch/x86/xen/efi.c
2 * Copyright (c) 2014 Oracle Co., Daniel Kiper
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program. If not, see <http://www.gnu.org/licenses/>.
18 #include <linux/bitops.h>
19 #include <linux/efi.h>
20 #include <linux/init.h>
21 #include <linux/string.h>
23 #include <xen/xen-ops.h>
26 #include <asm/setup.h>
28 void __init
xen_efi_init(void)
30 efi_system_table_t
*efi_systab_xen
;
32 efi_systab_xen
= xen_efi_probe();
34 if (efi_systab_xen
== NULL
)
37 strncpy((char *)&boot_params
.efi_info
.efi_loader_signature
, "Xen",
38 sizeof(boot_params
.efi_info
.efi_loader_signature
));
39 boot_params
.efi_info
.efi_systab
= (__u32
)__pa(efi_systab_xen
);
40 boot_params
.efi_info
.efi_systab_hi
= (__u32
)(__pa(efi_systab_xen
) >> 32);
42 set_bit(EFI_BOOT
, &efi
.flags
);
43 set_bit(EFI_PARAVIRT
, &efi
.flags
);
44 set_bit(EFI_64BIT
, &efi
.flags
);