xref: /OK3568_Linux_fs/kernel/arch/arm64/kvm/hyp/nvhe/sysreg-sr.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (C) 2012-2015 - ARM Ltd
4*4882a593Smuzhiyun  * Author: Marc Zyngier <marc.zyngier@arm.com>
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <hyp/sysreg-sr.h>
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #include <linux/compiler.h>
10*4882a593Smuzhiyun #include <linux/kvm_host.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #include <asm/kprobes.h>
13*4882a593Smuzhiyun #include <asm/kvm_asm.h>
14*4882a593Smuzhiyun #include <asm/kvm_emulate.h>
15*4882a593Smuzhiyun #include <asm/kvm_hyp.h>
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun /*
18*4882a593Smuzhiyun  * Non-VHE: Both host and guest must save everything.
19*4882a593Smuzhiyun  */
20*4882a593Smuzhiyun 
__sysreg_save_state_nvhe(struct kvm_cpu_context * ctxt)21*4882a593Smuzhiyun void __sysreg_save_state_nvhe(struct kvm_cpu_context *ctxt)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun 	__sysreg_save_el1_state(ctxt);
24*4882a593Smuzhiyun 	__sysreg_save_common_state(ctxt);
25*4882a593Smuzhiyun 	__sysreg_save_user_state(ctxt);
26*4882a593Smuzhiyun 	__sysreg_save_el2_return_state(ctxt);
27*4882a593Smuzhiyun }
28*4882a593Smuzhiyun 
__sysreg_restore_state_nvhe(struct kvm_cpu_context * ctxt)29*4882a593Smuzhiyun void __sysreg_restore_state_nvhe(struct kvm_cpu_context *ctxt)
30*4882a593Smuzhiyun {
31*4882a593Smuzhiyun 	__sysreg_restore_el1_state(ctxt);
32*4882a593Smuzhiyun 	__sysreg_restore_common_state(ctxt);
33*4882a593Smuzhiyun 	__sysreg_restore_user_state(ctxt);
34*4882a593Smuzhiyun 	__sysreg_restore_el2_return_state(ctxt);
35*4882a593Smuzhiyun }
36