1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * 4 * Copyright SUSE Linux Products GmbH 2010 5 * 6 * Authors: Alexander Graf <agraf@suse.de> 7 */ 8 9 #ifndef __ASM_KVM_BOOKE_H__ 10 #define __ASM_KVM_BOOKE_H__ 11 12 #include <linux/types.h> 13 #include <linux/kvm_host.h> 14 15 /* 16 * Number of available lpids. Only the low-order 6 bits of LPID rgister are 17 * implemented on e500mc+ cores. 18 */ 19 #define KVMPPC_NR_LPIDS 64 20 21 #define KVMPPC_INST_EHPRIV 0x7c00021c 22 #define EHPRIV_OC_SHIFT 11 23 /* "ehpriv 1" : ehpriv with OC = 1 is used for debug emulation */ 24 #define EHPRIV_OC_DEBUG 1 25 26 static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val) 27 { 28 vcpu->arch.regs.gpr[num] = val; 29 } 30 31 static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num) 32 { 33 return vcpu->arch.regs.gpr[num]; 34 } 35 36 static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val) 37 { 38 vcpu->arch.regs.ccr = val; 39 } 40 41 static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu) 42 { 43 return vcpu->arch.regs.ccr; 44 } 45 46 static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, ulong val) 47 { 48 vcpu->arch.regs.xer = val; 49 } 50 51 static inline ulong kvmppc_get_xer(struct kvm_vcpu *vcpu) 52 { 53 return vcpu->arch.regs.xer; 54 } 55 56 static inline bool kvmppc_need_byteswap(struct kvm_vcpu *vcpu) 57 { 58 /* XXX Would need to check TLB entry */ 59 return false; 60 } 61 62 static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val) 63 { 64 vcpu->arch.regs.ctr = val; 65 } 66 67 static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu) 68 { 69 return vcpu->arch.regs.ctr; 70 } 71 72 static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val) 73 { 74 vcpu->arch.regs.link = val; 75 } 76 77 static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu) 78 { 79 return vcpu->arch.regs.link; 80 } 81 82 static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val) 83 { 84 vcpu->arch.regs.nip = val; 85 } 86 87 static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu) 88 { 89 return vcpu->arch.regs.nip; 90 } 91 92 static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu) 93 { 94 return vcpu->arch.fault_dear; 95 } 96 97 static inline bool kvmppc_supports_magic_page(struct kvm_vcpu *vcpu) 98 { 99 /* Magic page is only supported on e500v2 */ 100 #ifdef CONFIG_KVM_E500V2 101 return true; 102 #else 103 return false; 104 #endif 105 } 106 #endif /* __ASM_KVM_BOOKE_H__ */ 107