51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
|
/*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __ARM_KVM_EMULATE_H__
|
||
|
|
#define __ARM_KVM_EMULATE_H__
|
||
|
|
|
||
|
|
#include <linux/kvm_host.h>
|
||
|
|
#include <asm/kvm_asm.h>
|
||
|
|
|
||
|
|
u32 *vcpu_reg(struct kvm_vcpu *vcpu, u8 reg_num);
|
||
|
|
u32 *vcpu_spsr(struct kvm_vcpu *vcpu);
|
||
|
|
|
||
|
|
static inline u32 *vcpu_pc(struct kvm_vcpu *vcpu)
|
||
|
|
{
|
||
|
|
return (u32 *)&vcpu->arch.regs.usr_regs.ARM_pc;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline u32 *vcpu_cpsr(struct kvm_vcpu *vcpu)
|
||
|
|
{
|
||
|
|
return (u32 *)&vcpu->arch.regs.usr_regs.ARM_cpsr;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline bool mode_has_spsr(struct kvm_vcpu *vcpu)
|
||
|
|
{
|
||
|
|
unsigned long cpsr_mode = vcpu->arch.regs.usr_regs.ARM_cpsr & MODE_MASK;
|
||
|
|
return (cpsr_mode > USR_MODE && cpsr_mode < SYSTEM_MODE);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline bool vcpu_mode_priv(struct kvm_vcpu *vcpu)
|
||
|
|
{
|
||
|
|
unsigned long cpsr_mode = vcpu->arch.regs.usr_regs.ARM_cpsr & MODE_MASK;
|
||
|
|
return cpsr_mode > USR_MODE;;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* __ARM_KVM_EMULATE_H__ */
|