mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
4a1df28ac0
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <cdall@cs.columbia.edu>
99 lines
2.7 KiB
C
99 lines
2.7 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>
|
|
#include <asm/kvm_mmio.h>
|
|
#include <asm/kvm_arm.h>
|
|
|
|
unsigned long *vcpu_reg(struct kvm_vcpu *vcpu, u8 reg_num);
|
|
unsigned long *vcpu_spsr(struct kvm_vcpu *vcpu);
|
|
|
|
int kvm_handle_wfi(struct kvm_vcpu *vcpu, struct kvm_run *run);
|
|
void kvm_skip_instr(struct kvm_vcpu *vcpu, bool is_wide_instr);
|
|
void kvm_inject_undefined(struct kvm_vcpu *vcpu);
|
|
void kvm_inject_dabt(struct kvm_vcpu *vcpu, unsigned long addr);
|
|
void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr);
|
|
|
|
static inline bool vcpu_mode_is_32bit(struct kvm_vcpu *vcpu)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
static inline unsigned long *vcpu_pc(struct kvm_vcpu *vcpu)
|
|
{
|
|
return &vcpu->arch.regs.usr_regs.ARM_pc;
|
|
}
|
|
|
|
static inline unsigned long *vcpu_cpsr(struct kvm_vcpu *vcpu)
|
|
{
|
|
return &vcpu->arch.regs.usr_regs.ARM_cpsr;
|
|
}
|
|
|
|
static inline void vcpu_set_thumb(struct kvm_vcpu *vcpu)
|
|
{
|
|
*vcpu_cpsr(vcpu) |= PSR_T_BIT;
|
|
}
|
|
|
|
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;;
|
|
}
|
|
|
|
static inline bool kvm_vcpu_reg_is_pc(struct kvm_vcpu *vcpu, int reg)
|
|
{
|
|
return reg == 15;
|
|
}
|
|
|
|
static inline u32 kvm_vcpu_get_hsr(struct kvm_vcpu *vcpu)
|
|
{
|
|
return vcpu->arch.fault.hsr;
|
|
}
|
|
|
|
static inline unsigned long kvm_vcpu_get_hfar(struct kvm_vcpu *vcpu)
|
|
{
|
|
return vcpu->arch.fault.hxfar;
|
|
}
|
|
|
|
static inline phys_addr_t kvm_vcpu_get_fault_ipa(struct kvm_vcpu *vcpu)
|
|
{
|
|
return ((phys_addr_t)vcpu->arch.fault.hpfar & HPFAR_MASK) << 8;
|
|
}
|
|
|
|
static inline unsigned long kvm_vcpu_get_hyp_pc(struct kvm_vcpu *vcpu)
|
|
{
|
|
return vcpu->arch.fault.hyp_pc;
|
|
}
|
|
|
|
static inline bool kvm_vcpu_dabt_isvalid(struct kvm_vcpu *vcpu)
|
|
{
|
|
return kvm_vcpu_get_hsr(vcpu) & HSR_ISV;
|
|
}
|
|
|
|
#endif /* __ARM_KVM_EMULATE_H__ */
|