cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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sysreg-sr.c (807B)

      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	__sysreg_restore_el1_state(ctxt);
     32	__sysreg_restore_common_state(ctxt);
     33	__sysreg_restore_user_state(ctxt);
     34	__sysreg_restore_el2_return_state(ctxt);
     35}