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be1aaf4e40
When running on Xen hypervisor, runtime services are supported through hypercall. Add a Xen specific function to initialize runtime services. Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org> Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Tested-by: Julien Grall <julien.grall@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
41 lines
1.7 KiB
C
41 lines
1.7 KiB
C
/*
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* Copyright (c) 2015, Linaro Limited, Shannon Zhao
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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/efi.h>
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#include <xen/xen-ops.h>
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#include <asm/xen/xen-ops.h>
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/* Set XEN EFI runtime services function pointers. Other fields of struct efi,
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* e.g. efi.systab, will be set like normal EFI.
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*/
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void __init xen_efi_runtime_setup(void)
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{
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efi.get_time = xen_efi_get_time;
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efi.set_time = xen_efi_set_time;
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efi.get_wakeup_time = xen_efi_get_wakeup_time;
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efi.set_wakeup_time = xen_efi_set_wakeup_time;
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efi.get_variable = xen_efi_get_variable;
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efi.get_next_variable = xen_efi_get_next_variable;
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efi.set_variable = xen_efi_set_variable;
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efi.query_variable_info = xen_efi_query_variable_info;
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efi.update_capsule = xen_efi_update_capsule;
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efi.query_capsule_caps = xen_efi_query_capsule_caps;
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efi.get_next_high_mono_count = xen_efi_get_next_high_mono_count;
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efi.reset_system = NULL; /* Functionality provided by Xen. */
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}
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EXPORT_SYMBOL_GPL(xen_efi_runtime_setup);
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