diff options
Diffstat (limited to 'arch/arm/include/asm/kvm_emulate.h')
-rw-r--r-- | arch/arm/include/asm/kvm_emulate.h | 75 |
1 files changed, 70 insertions, 5 deletions
diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h index 82b4babead2c..b9db269c6e61 100644 --- a/arch/arm/include/asm/kvm_emulate.h +++ b/arch/arm/include/asm/kvm_emulate.h @@ -65,11 +65,6 @@ static inline bool vcpu_mode_priv(struct kvm_vcpu *vcpu) 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; @@ -154,6 +149,11 @@ static inline bool kvm_vcpu_trap_is_iabt(struct kvm_vcpu *vcpu) static inline u8 kvm_vcpu_trap_get_fault(struct kvm_vcpu *vcpu) { + return kvm_vcpu_get_hsr(vcpu) & HSR_FSC; +} + +static inline u8 kvm_vcpu_trap_get_fault_type(struct kvm_vcpu *vcpu) +{ return kvm_vcpu_get_hsr(vcpu) & HSR_FSC_TYPE; } @@ -162,4 +162,69 @@ static inline u32 kvm_vcpu_hvc_get_imm(struct kvm_vcpu *vcpu) return kvm_vcpu_get_hsr(vcpu) & HSR_HVC_IMM_MASK; } +static inline unsigned long kvm_vcpu_get_mpidr(struct kvm_vcpu *vcpu) +{ + return vcpu->arch.cp15[c0_MPIDR]; +} + +static inline void kvm_vcpu_set_be(struct kvm_vcpu *vcpu) +{ + *vcpu_cpsr(vcpu) |= PSR_E_BIT; +} + +static inline bool kvm_vcpu_is_be(struct kvm_vcpu *vcpu) +{ + return !!(*vcpu_cpsr(vcpu) & PSR_E_BIT); +} + +static inline unsigned long vcpu_data_guest_to_host(struct kvm_vcpu *vcpu, + unsigned long data, + unsigned int len) +{ + if (kvm_vcpu_is_be(vcpu)) { + switch (len) { + case 1: + return data & 0xff; + case 2: + return be16_to_cpu(data & 0xffff); + default: + return be32_to_cpu(data); + } + } else { + switch (len) { + case 1: + return data & 0xff; + case 2: + return le16_to_cpu(data & 0xffff); + default: + return le32_to_cpu(data); + } + } +} + +static inline unsigned long vcpu_data_host_to_guest(struct kvm_vcpu *vcpu, + unsigned long data, + unsigned int len) +{ + if (kvm_vcpu_is_be(vcpu)) { + switch (len) { + case 1: + return data & 0xff; + case 2: + return cpu_to_be16(data & 0xffff); + default: + return cpu_to_be32(data); + } + } else { + switch (len) { + case 1: + return data & 0xff; + case 2: + return cpu_to_le16(data & 0xffff); + default: + return cpu_to_le32(data); + } + } +} + #endif /* __ARM_KVM_EMULATE_H__ */ |