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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-05-24 01:13:01 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-05-24 01:13:01 -0700 |
commit | e644dae645e167d154c0526358940986682a72b0 (patch) | |
tree | 972993c6568085b8d407fc7e13de10f4b93c651d /arch/x86/include/asm/insn.h | |
parent | 899c612d74d4a242158a4db20367388d6299c028 (diff) | |
parent | 86809173ce32ef03bd4d0389dfc72df0c805e9c4 (diff) |
Merge branch 'next' into for-linus
Diffstat (limited to 'arch/x86/include/asm/insn.h')
-rw-r--r-- | arch/x86/include/asm/insn.h | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/x86/include/asm/insn.h b/arch/x86/include/asm/insn.h index 74df3f1eddf..48eb30a8606 100644 --- a/arch/x86/include/asm/insn.h +++ b/arch/x86/include/asm/insn.h @@ -96,12 +96,6 @@ struct insn { #define X86_VEX_P(vex) ((vex) & 0x03) /* VEX3 Byte2, VEX2 Byte1 */ #define X86_VEX_M_MAX 0x1f /* VEX3.M Maximum value */ -/* The last prefix is needed for two-byte and three-byte opcodes */ -static inline insn_byte_t insn_last_prefix(struct insn *insn) -{ - return insn->prefixes.bytes[3]; -} - extern void insn_init(struct insn *insn, const void *kaddr, int x86_64); extern void insn_get_prefixes(struct insn *insn); extern void insn_get_opcode(struct insn *insn); @@ -160,6 +154,18 @@ static inline insn_byte_t insn_vex_p_bits(struct insn *insn) return X86_VEX_P(insn->vex_prefix.bytes[2]); } +/* Get the last prefix id from last prefix or VEX prefix */ +static inline int insn_last_prefix_id(struct insn *insn) +{ + if (insn_is_avx(insn)) + return insn_vex_p_bits(insn); /* VEX_p is a SIMD prefix id */ + + if (insn->prefixes.bytes[3]) + return inat_get_last_prefix_id(insn->prefixes.bytes[3]); + + return 0; +} + /* Offset of each field from kaddr */ static inline int insn_offset_rex_prefix(struct insn *insn) { |