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 /* 27 * Number of available lpids. Only the low-order 6 bits of LPID rgister are 28 * implemented on e500mc+ cores. 29 */ 30 #define KVMPPC_NR_LPIDS 64 31 32 #define KVMPPC_INST_EHPRIV 0x7c00021c 33 #define EHPRIV_OC_SHIFT 11 34 /* "ehpriv 1" : ehpriv with OC = 1 is used for debug emulation */ 35 #define EHPRIV_OC_DEBUG 1 36 37 static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val) 38 { 39 vcpu->arch.regs.gpr[num] = val; 40 } 41 42 static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num) 43 { 44 return vcpu->arch.regs.gpr[num]; 45 } 46 47 static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val) 48 { 49 vcpu->arch.regs.ccr = val; 50 } 51 52 static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu) 53 { 54 return vcpu->arch.regs.ccr; 55 } 56 57 static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, ulong val) 58 { 59 vcpu->arch.regs.xer = val; 60 } 61 62 static inline ulong kvmppc_get_xer(struct kvm_vcpu *vcpu) 63 { 64 return vcpu->arch.regs.xer; 65 } 66 67 static inline bool kvmppc_need_byteswap(struct kvm_vcpu *vcpu) 68 { 69 /* XXX Would need to check TLB entry */ 70 return false; 71 } 72 73 static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val) 74 { 75 vcpu->arch.regs.ctr = val; 76 } 77 78 static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu) 79 { 80 return vcpu->arch.regs.ctr; 81 } 82 83 static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val) 84 { 85 vcpu->arch.regs.link = val; 86 } 87 88 static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu) 89 { 90 return vcpu->arch.regs.link; 91 } 92 93 static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val) 94 { 95 vcpu->arch.regs.nip = val; 96 } 97 98 static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu) 99 { 100 return vcpu->arch.regs.nip; 101 } 102 103 static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu) 104 { 105 return vcpu->arch.fault_dear; 106 } 107 108 static inline bool kvmppc_supports_magic_page(struct kvm_vcpu *vcpu) 109 { 110 /* Magic page is only supported on e500v2 */ 111 #ifdef CONFIG_KVM_E500V2 112 return true; 113 #else 114 return false; 115 #endif 116 } 117 #endif /* __ASM_KVM_BOOKE_H__ */ 118