sysreg-sr.c

 1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * Copyright (C) 2012-2015 - ARM Ltd
 4 * Author: Marc Zyngier <marc.zyngier@arm.com>
 5 */
 6
 7#include <hyp/sysreg-sr.h>
 8
 9#include <linux/compiler.h>
10#include <linux/kvm_host.h>
11
12#include <asm/kprobes.h>
13#include <asm/kvm_asm.h>
14#include <asm/kvm_emulate.h>
15#include <asm/kvm_hyp.h>
16
17/*
18 * Non-VHE: Both host and guest must save everything.
19 */
20
21void __sysreg_save_state_nvhe(struct kvm_cpu_context *ctxt)
22{
23	__sysreg_save_el1_state(ctxt);
24	__sysreg_save_common_state(ctxt);
25	__sysreg_save_user_state(ctxt);
26	__sysreg_save_el2_return_state(ctxt);
27}
28
29void __sysreg_restore_state_nvhe(struct kvm_cpu_context *ctxt)
30{
31	u64 midr = ctxt_midr_el1(ctxt);
32
33	__sysreg_restore_el1_state(ctxt, midr, ctxt_sys_reg(ctxt, MPIDR_EL1));
34	__sysreg_restore_common_state(ctxt);
35	__sysreg_restore_user_state(ctxt);
36	__sysreg_restore_el2_return_state(ctxt);
37}