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authorMasami Hiramatsu <mhiramat@redhat.com>2009-10-27 23:42:27 +0300
committerIngo Molnar <mingo@elte.hu>2009-10-29 10:47:46 +0300
commite0e492e99b372c6990a5daca9e4683c341f1330e (patch)
tree79704aa82391ff2f54d92fe11b1b7958b09a5bb8 /arch/x86/lib/inat.c
parent82cb57028c864822c5a260f806d051e2ce28c86a (diff)
downloadlinux-e0e492e99b372c6990a5daca9e4683c341f1330e.tar.xz
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>
Diffstat (limited to 'arch/x86/lib/inat.c')
-rw-r--r--arch/x86/lib/inat.c12
1 files changed, 12 insertions, 0 deletions
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];
+}
+