| Christoffer Dall | 749cf76c | 2013-01-20 18:28:06 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 - Virtual Open Systems and Columbia University |
| 3 | * Author: Christoffer Dall <c.dall@virtualopensystems.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License, version 2, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | */ |
| 18 | |
| 19 | #ifndef __ARM_KVM_EMULATE_H__ |
| 20 | #define __ARM_KVM_EMULATE_H__ |
| 21 | |
| 22 | #include <linux/kvm_host.h> |
| 23 | #include <asm/kvm_asm.h> |
| 24 | |
| 25 | u32 *vcpu_reg(struct kvm_vcpu *vcpu, u8 reg_num); |
| 26 | u32 *vcpu_spsr(struct kvm_vcpu *vcpu); |
| 27 | |
| Christoffer Dall | 5b3e5e5 | 2013-01-20 18:28:09 -0500 | [diff] [blame^] | 28 | int kvm_handle_wfi(struct kvm_vcpu *vcpu, struct kvm_run *run); |
| 29 | void kvm_skip_instr(struct kvm_vcpu *vcpu, bool is_wide_instr); |
| 30 | void kvm_inject_undefined(struct kvm_vcpu *vcpu); |
| 31 | void kvm_inject_dabt(struct kvm_vcpu *vcpu, unsigned long addr); |
| 32 | void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr); |
| 33 | |
| Christoffer Dall | 749cf76c | 2013-01-20 18:28:06 -0500 | [diff] [blame] | 34 | static inline u32 *vcpu_pc(struct kvm_vcpu *vcpu) |
| 35 | { |
| 36 | return (u32 *)&vcpu->arch.regs.usr_regs.ARM_pc; |
| 37 | } |
| 38 | |
| 39 | static inline u32 *vcpu_cpsr(struct kvm_vcpu *vcpu) |
| 40 | { |
| 41 | return (u32 *)&vcpu->arch.regs.usr_regs.ARM_cpsr; |
| 42 | } |
| 43 | |
| 44 | static inline bool mode_has_spsr(struct kvm_vcpu *vcpu) |
| 45 | { |
| 46 | unsigned long cpsr_mode = vcpu->arch.regs.usr_regs.ARM_cpsr & MODE_MASK; |
| 47 | return (cpsr_mode > USR_MODE && cpsr_mode < SYSTEM_MODE); |
| 48 | } |
| 49 | |
| 50 | static inline bool vcpu_mode_priv(struct kvm_vcpu *vcpu) |
| 51 | { |
| 52 | unsigned long cpsr_mode = vcpu->arch.regs.usr_regs.ARM_cpsr & MODE_MASK; |
| 53 | return cpsr_mode > USR_MODE;; |
| 54 | } |
| 55 | |
| 56 | #endif /* __ARM_KVM_EMULATE_H__ */ |