diff options
Diffstat (limited to 'virt/kvm/arm/hyp/timer-sr.c')
| -rw-r--r-- | virt/kvm/arm/hyp/timer-sr.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/virt/kvm/arm/hyp/timer-sr.c b/virt/kvm/arm/hyp/timer-sr.c deleted file mode 100644 index ff76e6845fe4..000000000000 --- a/virt/kvm/arm/hyp/timer-sr.c +++ /dev/null @@ -1,49 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2012-2015 - ARM Ltd - * Author: Marc Zyngier <marc.zyngier@arm.com> - */ - -#include <clocksource/arm_arch_timer.h> -#include <linux/compiler.h> -#include <linux/kvm_host.h> - -#include <asm/kvm_hyp.h> - -void __hyp_text __kvm_timer_set_cntvoff(u32 cntvoff_low, u32 cntvoff_high) -{ - u64 cntvoff = (u64)cntvoff_high << 32 | cntvoff_low; - write_sysreg(cntvoff, cntvoff_el2); -} - -/* - * Should only be called on non-VHE systems. - * VHE systems use EL2 timers and configure EL1 timers in kvm_timer_init_vhe(). - */ -void __hyp_text __timer_disable_traps(struct kvm_vcpu *vcpu) -{ - u64 val; - - /* Allow physical timer/counter access for the host */ - val = read_sysreg(cnthctl_el2); - val |= CNTHCTL_EL1PCTEN | CNTHCTL_EL1PCEN; - write_sysreg(val, cnthctl_el2); -} - -/* - * Should only be called on non-VHE systems. - * VHE systems use EL2 timers and configure EL1 timers in kvm_timer_init_vhe(). - */ -void __hyp_text __timer_enable_traps(struct kvm_vcpu *vcpu) -{ - u64 val; - - /* - * Disallow physical timer access for the guest - * Physical counter access is allowed - */ - val = read_sysreg(cnthctl_el2); - val &= ~CNTHCTL_EL1PCEN; - val |= CNTHCTL_EL1PCTEN; - write_sysreg(val, cnthctl_el2); -} |