diff options
Diffstat (limited to 'arch/arm/kvm/hyp/vgic-v2-sr.c')
-rw-r--r-- | arch/arm/kvm/hyp/vgic-v2-sr.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/arch/arm/kvm/hyp/vgic-v2-sr.c b/arch/arm/kvm/hyp/vgic-v2-sr.c deleted file mode 100644 index 9514a7d90d71..000000000000 --- a/arch/arm/kvm/hyp/vgic-v2-sr.c +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Copyright (C) 2012-2015 - ARM Ltd - * Author: Marc Zyngier <marc.zyngier@arm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <linux/compiler.h> -#include <linux/irqchip/arm-gic.h> -#include <linux/kvm_host.h> - -#include <asm/kvm_hyp.h> - -/* vcpu is already in the HYP VA space */ -void __hyp_text __vgic_v2_save_state(struct kvm_vcpu *vcpu) -{ - struct kvm *kvm = kern_hyp_va(vcpu->kvm); - struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2; - struct vgic_dist *vgic = &kvm->arch.vgic; - void __iomem *base = kern_hyp_va(vgic->vctrl_base); - u32 eisr0, eisr1, elrsr0, elrsr1; - int i, nr_lr; - - if (!base) - return; - - nr_lr = vcpu->arch.vgic_cpu.nr_lr; - cpu_if->vgic_vmcr = readl_relaxed(base + GICH_VMCR); - cpu_if->vgic_misr = readl_relaxed(base + GICH_MISR); - eisr0 = readl_relaxed(base + GICH_EISR0); - elrsr0 = readl_relaxed(base + GICH_ELRSR0); - if (unlikely(nr_lr > 32)) { - eisr1 = readl_relaxed(base + GICH_EISR1); - elrsr1 = readl_relaxed(base + GICH_ELRSR1); - } else { - eisr1 = elrsr1 = 0; - } -#ifdef CONFIG_CPU_BIG_ENDIAN - cpu_if->vgic_eisr = ((u64)eisr0 << 32) | eisr1; - cpu_if->vgic_elrsr = ((u64)elrsr0 << 32) | elrsr1; -#else - cpu_if->vgic_eisr = ((u64)eisr1 << 32) | eisr0; - cpu_if->vgic_elrsr = ((u64)elrsr1 << 32) | elrsr0; -#endif - cpu_if->vgic_apr = readl_relaxed(base + GICH_APR); - - writel_relaxed(0, base + GICH_HCR); - - for (i = 0; i < nr_lr; i++) - cpu_if->vgic_lr[i] = readl_relaxed(base + GICH_LR0 + (i * 4)); -} - -/* vcpu is already in the HYP VA space */ -void __hyp_text __vgic_v2_restore_state(struct kvm_vcpu *vcpu) -{ - struct kvm *kvm = kern_hyp_va(vcpu->kvm); - struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2; - struct vgic_dist *vgic = &kvm->arch.vgic; - void __iomem *base = kern_hyp_va(vgic->vctrl_base); - int i, nr_lr; - - if (!base) - return; - - writel_relaxed(cpu_if->vgic_hcr, base + GICH_HCR); - writel_relaxed(cpu_if->vgic_vmcr, base + GICH_VMCR); - writel_relaxed(cpu_if->vgic_apr, base + GICH_APR); - - nr_lr = vcpu->arch.vgic_cpu.nr_lr; - for (i = 0; i < nr_lr; i++) - writel_relaxed(cpu_if->vgic_lr[i], base + GICH_LR0 + (i * 4)); -} |