diff options
| -rw-r--r-- | arch/powerpc/include/asm/disassemble.h | 80 | ||||
| -rw-r--r-- | arch/powerpc/kvm/emulate.c | 57 |
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 000000000000..9b198d1b3b2b --- /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 | |||
| 25 | static inline unsigned int get_op(u32 inst) | ||
| 26 | { | ||
| 27 | return inst >> 26; | ||
| 28 | } | ||
| 29 | |||
| 30 | static inline unsigned int get_xop(u32 inst) | ||
| 31 | { | ||
| 32 | return (inst >> 1) & 0x3ff; | ||
| 33 | } | ||
| 34 | |||
| 35 | static inline unsigned int get_sprn(u32 inst) | ||
| 36 | { | ||
| 37 | return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0); | ||
| 38 | } | ||
| 39 | |||
| 40 | static inline unsigned int get_dcrn(u32 inst) | ||
| 41 | { | ||
| 42 | return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0); | ||
| 43 | } | ||
| 44 | |||
| 45 | static inline unsigned int get_rt(u32 inst) | ||
| 46 | { | ||
| 47 | return (inst >> 21) & 0x1f; | ||
| 48 | } | ||
| 49 | |||
| 50 | static inline unsigned int get_rs(u32 inst) | ||
| 51 | { | ||
| 52 | return (inst >> 21) & 0x1f; | ||
| 53 | } | ||
| 54 | |||
| 55 | static inline unsigned int get_ra(u32 inst) | ||
| 56 | { | ||
| 57 | return (inst >> 16) & 0x1f; | ||
| 58 | } | ||
| 59 | |||
| 60 | static inline unsigned int get_rb(u32 inst) | ||
| 61 | { | ||
| 62 | return (inst >> 11) & 0x1f; | ||
| 63 | } | ||
| 64 | |||
| 65 | static inline unsigned int get_rc(u32 inst) | ||
| 66 | { | ||
| 67 | return inst & 0x1; | ||
| 68 | } | ||
| 69 | |||
| 70 | static inline unsigned int get_ws(u32 inst) | ||
| 71 | { | ||
| 72 | return (inst >> 11) & 0x1f; | ||
| 73 | } | ||
| 74 | |||
| 75 | static 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 c5d2bfcf567a..5fd9cf779be5 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 */ | ||
| 33 | static inline unsigned int get_op(u32 inst) | ||
| 34 | { | ||
| 35 | return inst >> 26; | ||
| 36 | } | ||
| 37 | |||
| 38 | static inline unsigned int get_xop(u32 inst) | ||
| 39 | { | ||
| 40 | return (inst >> 1) & 0x3ff; | ||
| 41 | } | ||
| 42 | |||
| 43 | static inline unsigned int get_sprn(u32 inst) | ||
| 44 | { | ||
| 45 | return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0); | ||
| 46 | } | ||
| 47 | |||
| 48 | static inline unsigned int get_dcrn(u32 inst) | ||
| 49 | { | ||
| 50 | return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0); | ||
| 51 | } | ||
| 52 | |||
| 53 | static inline unsigned int get_rt(u32 inst) | ||
| 54 | { | ||
| 55 | return (inst >> 21) & 0x1f; | ||
| 56 | } | ||
| 57 | |||
| 58 | static inline unsigned int get_rs(u32 inst) | ||
| 59 | { | ||
| 60 | return (inst >> 21) & 0x1f; | ||
| 61 | } | ||
| 62 | |||
| 63 | static inline unsigned int get_ra(u32 inst) | ||
| 64 | { | ||
| 65 | return (inst >> 16) & 0x1f; | ||
| 66 | } | ||
| 67 | |||
| 68 | static inline unsigned int get_rb(u32 inst) | ||
| 69 | { | ||
| 70 | return (inst >> 11) & 0x1f; | ||
| 71 | } | ||
| 72 | |||
| 73 | static inline unsigned int get_rc(u32 inst) | ||
| 74 | { | ||
| 75 | return inst & 0x1; | ||
| 76 | } | ||
| 77 | |||
| 78 | static inline unsigned int get_ws(u32 inst) | ||
| 79 | { | ||
| 80 | return (inst >> 11) & 0x1f; | ||
| 81 | } | ||
| 82 | |||
| 83 | static inline unsigned int get_d(u32 inst) | ||
| 84 | { | ||
| 85 | return inst & 0xffff; | ||
| 86 | } | ||
| 87 | 32 | ||
| 88 | static void kvmppc_emulate_dec(struct kvm_vcpu *vcpu) | 33 | static void kvmppc_emulate_dec(struct kvm_vcpu *vcpu) |
| 89 | { | 34 | { |
