1 /* 2 * This program is free software; you can redistribute it and/or modify 3 * it under the terms of the GNU General Public License, version 2, as 4 * published by the Free Software Foundation. 5 * 6 * This program is distributed in the hope that it will be useful, 7 * but WITHOUT ANY WARRANTY; without even the implied warranty of 8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 9 * GNU General Public License for more details. 10 * 11 * You should have received a copy of the GNU General Public License 12 * along with this program; if not, write to the Free Software 13 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 14 * 15 * Copyright SUSE Linux Products GmbH 2010 16 * 17 * Authors: Alexander Graf <agraf@suse.de> 18 */ 19 20 #ifndef __ASM_KVM_BOOKE_H__ 21 #define __ASM_KVM_BOOKE_H__ 22 23 #include <linux/types.h> 24 #include <linux/kvm_host.h> 25 26 /* LPIDs we support with this build -- runtime limit may be lower */ 27 #define KVMPPC_NR_LPIDS 64 28 29 #define KVMPPC_INST_EHPRIV 0x7c00021c 30 #define EHPRIV_OC_SHIFT 11 31 /* "ehpriv 1" : ehpriv with OC = 1 is used for debug emulation */ 32 #define EHPRIV_OC_DEBUG 1 33 #define KVMPPC_INST_EHPRIV_DEBUG (KVMPPC_INST_EHPRIV | \ 34 (EHPRIV_OC_DEBUG << EHPRIV_OC_SHIFT)) 35 36 static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val) 37 { 38 vcpu->arch.gpr[num] = val; 39 } 40 41 static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num) 42 { 43 return vcpu->arch.gpr[num]; 44 } 45 46 static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val) 47 { 48 vcpu->arch.cr = val; 49 } 50 51 static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu) 52 { 53 return vcpu->arch.cr; 54 } 55 56 static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val) 57 { 58 vcpu->arch.xer = val; 59 } 60 61 static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu) 62 { 63 return vcpu->arch.xer; 64 } 65 66 static inline bool kvmppc_need_byteswap(struct kvm_vcpu *vcpu) 67 { 68 /* XXX Would need to check TLB entry */ 69 return false; 70 } 71 72 static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val) 73 { 74 vcpu->arch.ctr = val; 75 } 76 77 static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu) 78 { 79 return vcpu->arch.ctr; 80 } 81 82 static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val) 83 { 84 vcpu->arch.lr = val; 85 } 86 87 static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu) 88 { 89 return vcpu->arch.lr; 90 } 91 92 static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val) 93 { 94 vcpu->arch.pc = val; 95 } 96 97 static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu) 98 { 99 return vcpu->arch.pc; 100 } 101 102 static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu) 103 { 104 return vcpu->arch.fault_dear; 105 } 106 107 static inline bool kvmppc_supports_magic_page(struct kvm_vcpu *vcpu) 108 { 109 /* Magic page is only supported on e500v2 */ 110 #ifdef CONFIG_KVM_E500V2 111 return true; 112 #else 113 return false; 114 #endif 115 } 116 #endif /* __ASM_KVM_BOOKE_H__ */ 117