46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
/*
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* Copyright (c) 2014 Oracle Co., Daniel Kiper
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/bitops.h>
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#include <linux/efi.h>
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#include <linux/init.h>
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#include <linux/string.h>
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#include <xen/xen-ops.h>
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#include <asm/page.h>
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#include <asm/setup.h>
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void __init xen_efi_init(void)
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{
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efi_system_table_t *efi_systab_xen;
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efi_systab_xen = xen_efi_probe();
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if (efi_systab_xen == NULL)
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return;
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strncpy((char *)&boot_params.efi_info.efi_loader_signature, "Xen",
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sizeof(boot_params.efi_info.efi_loader_signature));
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boot_params.efi_info.efi_systab = (__u32)__pa(efi_systab_xen);
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boot_params.efi_info.efi_systab_hi = (__u32)(__pa(efi_systab_xen) >> 32);
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set_bit(EFI_BOOT, &efi.flags);
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set_bit(EFI_PARAVIRT, &efi.flags);
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set_bit(EFI_64BIT, &efi.flags);
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}
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