diff options
Diffstat (limited to 'arch/arm/kvm/reset.c')
| -rw-r--r-- | arch/arm/kvm/reset.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/arch/arm/kvm/reset.c b/arch/arm/kvm/reset.c deleted file mode 100644 index b7840e7aa452..000000000000 --- a/arch/arm/kvm/reset.c +++ /dev/null @@ -1,86 +0,0 @@ -/* - * Copyright (C) 2012 - Virtual Open Systems and Columbia University - * Author: Christoffer Dall <c.dall@virtualopensystems.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, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - */ -#include <linux/compiler.h> -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/kvm_host.h> -#include <linux/kvm.h> - -#include <asm/unified.h> -#include <asm/ptrace.h> -#include <asm/cputype.h> -#include <asm/kvm_arm.h> -#include <asm/kvm_coproc.h> - -#include <kvm/arm_arch_timer.h> - -/****************************************************************************** - * Cortex-A15 Reset Values - */ - -static const int a15_max_cpu_idx = 3; - -static struct kvm_regs a15_regs_reset = { - .usr_regs.ARM_cpsr = SVC_MODE | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT, -}; - -static const struct kvm_irq_level a15_vtimer_irq = { - .irq = 27, - .level = 1, -}; - - -/******************************************************************************* - * Exported reset function - */ - -/** - * kvm_reset_vcpu - sets core registers and cp15 registers to reset value - * @vcpu: The VCPU pointer - * - * This function finds the right table above and sets the registers on the - * virtual CPU struct to their architectually defined reset values. - */ -int kvm_reset_vcpu(struct kvm_vcpu *vcpu) -{ - struct kvm_regs *cpu_reset; - const struct kvm_irq_level *cpu_vtimer_irq; - - switch (vcpu->arch.target) { - case KVM_ARM_TARGET_CORTEX_A15: - if (vcpu->vcpu_id > a15_max_cpu_idx) - return -EINVAL; - cpu_reset = &a15_regs_reset; - vcpu->arch.midr = read_cpuid_id(); - cpu_vtimer_irq = &a15_vtimer_irq; - break; - default: - return -ENODEV; - } - - /* Reset core registers */ - memcpy(&vcpu->arch.regs, cpu_reset, sizeof(vcpu->arch.regs)); - - /* Reset CP15 registers */ - kvm_reset_coprocs(vcpu); - - /* Reset arch_timer context */ - kvm_timer_vcpu_reset(vcpu, cpu_vtimer_irq); - - return 0; -} |
