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 u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
73 {
74 	return vcpu->arch.last_inst;
75 }
76 
77 static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
78 {
79 	vcpu->arch.ctr = val;
80 }
81 
82 static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
83 {
84 	return vcpu->arch.ctr;
85 }
86 
87 static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
88 {
89 	vcpu->arch.lr = val;
90 }
91 
92 static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
93 {
94 	return vcpu->arch.lr;
95 }
96 
97 static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
98 {
99 	vcpu->arch.pc = val;
100 }
101 
102 static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
103 {
104 	return vcpu->arch.pc;
105 }
106 
107 static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
108 {
109 	return vcpu->arch.fault_dear;
110 }
111 #endif /* __ASM_KVM_BOOKE_H__ */
112