linux/arch/arm/kvm/hyp/s2-setup.c

23 lines
452 B
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016 - ARM Ltd
* Author: Marc Zyngier <marc.zyngier@arm.com>
*/
#include <linux/types.h>
#include <asm/kvm_arm.h>
#include <asm/kvm_asm.h>
#include <asm/kvm_hyp.h>
void __hyp_text __init_stage2_translation(void)
{
u64 val;
val = read_sysreg(VTCR) & ~VTCR_MASK;
val |= read_sysreg(HTCR) & VTCR_HTCR_SH;
val |= KVM_VTCR_SL0 | KVM_VTCR_T0SZ | KVM_VTCR_S;
write_sysreg(val, VTCR);
}