// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2012-2015 - ARM Ltd * Author: Marc Zyngier <marc.zyngier@arm.com> */ #include <hyp/sysreg-sr.h> #include <linux/compiler.h> #include <linux/kvm_host.h> #include <asm/kprobes.h> #include <asm/kvm_asm.h> #include <asm/kvm_emulate.h> #include <asm/kvm_hyp.h> /* * Non-VHE: Both host and guest must save everything. */ void __sysreg_save_state_nvhe(struct kvm_cpu_context *ctxt) { __sysreg_save_el1_state(ctxt); __sysreg_save_common_state(ctxt); __sysreg_save_user_state(ctxt); __sysreg_save_el2_return_state(ctxt); } void __sysreg_restore_state_nvhe(struct kvm_cpu_context *ctxt) { __sysreg_restore_el1_state(ctxt); __sysreg_restore_common_state(ctxt); __sysreg_restore_user_state(ctxt); __sysreg_restore_el2_return_state(ctxt); } void __kvm_enable_ssbs(void) { u64 tmp; asm volatile( "mrs %0, sctlr_el2\n" "orr %0, %0, %1\n" "msr sctlr_el2, %0" : "=&r" (tmp) : "L" (SCTLR_ELx_DSSBS)); }