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-rw-r--r--arch/powerpc/include/asm/disassemble.h80
-rw-r--r--arch/powerpc/kvm/emulate.c57
2 files changed, 81 insertions, 56 deletions
diff --git a/arch/powerpc/include/asm/disassemble.h b/arch/powerpc/include/asm/disassemble.h
new file mode 100644
index 00000000000..9b198d1b3b2
--- /dev/null
+++ b/arch/powerpc/include/asm/disassemble.h
@@ -0,0 +1,80 @@
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 IBM Corp. 2008
16 *
17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
18 */
19
20#ifndef __ASM_PPC_DISASSEMBLE_H__
21#define __ASM_PPC_DISASSEMBLE_H__
22
23#include <linux/types.h>
24
25static inline unsigned int get_op(u32 inst)
26{
27 return inst >> 26;
28}
29
30static inline unsigned int get_xop(u32 inst)
31{
32 return (inst >> 1) & 0x3ff;
33}
34
35static inline unsigned int get_sprn(u32 inst)
36{
37 return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
38}
39
40static inline unsigned int get_dcrn(u32 inst)
41{
42 return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
43}
44
45static inline unsigned int get_rt(u32 inst)
46{
47 return (inst >> 21) & 0x1f;
48}
49
50static inline unsigned int get_rs(u32 inst)
51{
52 return (inst >> 21) & 0x1f;
53}
54
55static inline unsigned int get_ra(u32 inst)
56{
57 return (inst >> 16) & 0x1f;
58}
59
60static inline unsigned int get_rb(u32 inst)
61{
62 return (inst >> 11) & 0x1f;
63}
64
65static inline unsigned int get_rc(u32 inst)
66{
67 return inst & 0x1;
68}
69
70static inline unsigned int get_ws(u32 inst)
71{
72 return (inst >> 11) & 0x1f;
73}
74
75static inline unsigned int get_d(u32 inst)
76{
77 return inst & 0xffff;
78}
79
80#endif /* __ASM_PPC_DISASSEMBLE_H__ */
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index c5d2bfcf567..5fd9cf779be 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -28,62 +28,7 @@
28#include <asm/time.h> 28#include <asm/time.h>
29#include <asm/byteorder.h> 29#include <asm/byteorder.h>
30#include <asm/kvm_ppc.h> 30#include <asm/kvm_ppc.h>
31 31#include <asm/disassemble.h>
32/* Instruction decoding */
33static inline unsigned int get_op(u32 inst)
34{
35 return inst >> 26;
36}
37
38static inline unsigned int get_xop(u32 inst)
39{
40 return (inst >> 1) & 0x3ff;
41}
42
43static inline unsigned int get_sprn(u32 inst)
44{
45 return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
46}
47
48static inline unsigned int get_dcrn(u32 inst)
49{
50 return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
51}
52
53static inline unsigned int get_rt(u32 inst)
54{
55 return (inst >> 21) & 0x1f;
56}
57
58static inline unsigned int get_rs(u32 inst)
59{
60 return (inst >> 21) & 0x1f;
61}
62
63static inline unsigned int get_ra(u32 inst)
64{
65 return (inst >> 16) & 0x1f;
66}
67
68static inline unsigned int get_rb(u32 inst)
69{
70 return (inst >> 11) & 0x1f;
71}
72
73static inline unsigned int get_rc(u32 inst)
74{
75 return inst & 0x1;
76}
77
78static inline unsigned int get_ws(u32 inst)
79{
80 return (inst >> 11) & 0x1f;
81}
82
83static inline unsigned int get_d(u32 inst)
84{
85 return inst & 0xffff;
86}
87 32
88static void kvmppc_emulate_dec(struct kvm_vcpu *vcpu) 33static void kvmppc_emulate_dec(struct kvm_vcpu *vcpu)
89{ 34{