1 files changed, 90 insertions, 0 deletions

diff --git a/arch/x86/lib/inat.c b/arch/x86/lib/inat.c
new file mode 100644
index 000000000000..46fc4ee09fc4
--- /dev/null
+++ b/arch/x86/lib/inat.c
@@ -0,0 +1,90 @@
+/*
+ * x86 instruction attribute tables
+ *
+ * Written by Masami Hiramatsu <mhiramat@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+#include <asm/insn.h>
+
+/* Attribute tables are generated from opcode map */
+#include "inat-tables.c"
+
+/* Attribute search APIs */
+insn_attr_t inat_get_opcode_attribute(insn_byte_t opcode)
+{
+        return inat_primary_table[opcode];
+}
+
+insn_attr_t inat_get_escape_attribute(insn_byte_t opcode, insn_byte_t last_pfx,
+                                      insn_attr_t esc_attr)
+{
+        const insn_attr_t *table;
+        insn_attr_t lpfx_attr;
+        int n, m = 0;
+
+        n = inat_escape_id(esc_attr);
+        if (last_pfx) {
+                lpfx_attr = inat_get_opcode_attribute(last_pfx);
+                m = inat_last_prefix_id(lpfx_attr);
+        }
+        table = inat_escape_tables[n][0];
+        if (!table)
+                return 0;
+        if (inat_has_variant(table[opcode]) && m) {
+                table = inat_escape_tables[n][m];
+                if (!table)
+                        return 0;
+        }
+        return table[opcode];
+}
+
+insn_attr_t inat_get_group_attribute(insn_byte_t modrm, insn_byte_t last_pfx,
+                                     insn_attr_t grp_attr)
+{
+        const insn_attr_t *table;
+        insn_attr_t lpfx_attr;
+        int n, m = 0;
+
+        n = inat_group_id(grp_attr);
+        if (last_pfx) {
+                lpfx_attr = inat_get_opcode_attribute(last_pfx);
+                m = inat_last_prefix_id(lpfx_attr);
+        }
+        table = inat_group_tables[n][0];
+        if (!table)
+                return inat_group_common_attribute(grp_attr);
+        if (inat_has_variant(table[X86_MODRM_REG(modrm)]) && m) {
+                table = inat_group_tables[n][m];
+                if (!table)
+                        return inat_group_common_attribute(grp_attr);
+        }
+        return table[X86_MODRM_REG(modrm)] |
+               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];
+}
+