From e0e492e99b372c6990a5daca9e4683c341f1330e Mon Sep 17 00:00:00 2001
From: Masami Hiramatsu <mhiramat@redhat.com>
Date: Tue, 27 Oct 2009 16:42:27 -0400
Subject: x86: AVX instruction set decoder support

Add Intel AVX(Advanced Vector Extensions) instruction set
support to x86 instruction decoder. This adds insn.vex_prefix
field for storing VEX prefixes, and introduces some original
tags for expressing opcodes attributes.

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Frank Ch. Eigler <fche@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: K.Prasad <prasad@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
LKML-Reference: <20091027204226.30545.23451.stgit@harusame>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/lib/inat.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'arch/x86/lib/inat.c')

diff --git a/arch/x86/lib/inat.c b/arch/x86/lib/inat.c
index 3fb5998b823e..46fc4ee09fc4 100644
--- a/arch/x86/lib/inat.c
+++ b/arch/x86/lib/inat.c
@@ -76,3 +76,15 @@ insn_attr_t inat_get_group_attribute(insn_byte_t modrm, insn_byte_t last_pfx,
 	       inat_group_common_attribute(grp_attr);
 }
 
+insn_attr_t inat_get_avx_attribute(insn_byte_t opcode, insn_byte_t vex_m,
+				   insn_byte_t vex_p)
+{
+	const insn_attr_t *table;
+	if (vex_m > X86_VEX_M_MAX || vex_p > INAT_LSTPFX_MAX)
+		return 0;
+	table = inat_avx_tables[vex_m][vex_p];
+	if (!table)
+		return 0;
+	return table[opcode];
+}
+
-- 
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