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Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* x86 instruction attribute tables
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*
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* Written by Masami Hiramatsu <mhiramat@redhat.com>
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*/
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#include <asm/insn.h>
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/* Attribute tables are generated from opcode map */
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#include "inat-tables.c"
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/* Attribute search APIs */
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insn_attr_t inat_get_opcode_attribute(insn_byte_t opcode)
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{
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return inat_primary_table[opcode];
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}
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int inat_get_last_prefix_id(insn_byte_t last_pfx)
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{
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insn_attr_t lpfx_attr;
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lpfx_attr = inat_get_opcode_attribute(last_pfx);
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return inat_last_prefix_id(lpfx_attr);
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}
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insn_attr_t inat_get_escape_attribute(insn_byte_t opcode, int lpfx_id,
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insn_attr_t esc_attr)
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{
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const insn_attr_t *table;
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int n;
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n = inat_escape_id(esc_attr);
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table = inat_escape_tables[n][0];
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if (!table)
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return 0;
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if (inat_has_variant(table[opcode]) && lpfx_id) {
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table = inat_escape_tables[n][lpfx_id];
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if (!table)
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return 0;
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}
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return table[opcode];
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}
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insn_attr_t inat_get_group_attribute(insn_byte_t modrm, int lpfx_id,
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insn_attr_t grp_attr)
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{
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const insn_attr_t *table;
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int n;
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n = inat_group_id(grp_attr);
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table = inat_group_tables[n][0];
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if (!table)
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return inat_group_common_attribute(grp_attr);
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if (inat_has_variant(table[X86_MODRM_REG(modrm)]) && lpfx_id) {
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table = inat_group_tables[n][lpfx_id];
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if (!table)
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return inat_group_common_attribute(grp_attr);
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}
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return table[X86_MODRM_REG(modrm)] |
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inat_group_common_attribute(grp_attr);
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}
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insn_attr_t inat_get_avx_attribute(insn_byte_t opcode, insn_byte_t vex_m,
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insn_byte_t vex_p)
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{
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const insn_attr_t *table;
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if (vex_m > X86_VEX_M_MAX || vex_p > INAT_LSTPFX_MAX)
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return 0;
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/* At first, this checks the master table */
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table = inat_avx_tables[vex_m][0];
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if (!table)
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return 0;
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if (!inat_is_group(table[opcode]) && vex_p) {
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/* If this is not a group, get attribute directly */
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table = inat_avx_tables[vex_m][vex_p];
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if (!table)
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return 0;
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}
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return table[opcode];
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}
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