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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * x86 instruction attribute tables4 *5 * Written by Masami Hiramatsu <mhiramat@redhat.com>6 */7#include "../include/asm/insn.h" /* __ignore_sync_check__ */8 9/* Attribute tables are generated from opcode map */10#include "inat-tables.c"11 12/* Attribute search APIs */13insn_attr_t inat_get_opcode_attribute(insn_byte_t opcode)14{15 return inat_primary_table[opcode];16}17 18int inat_get_last_prefix_id(insn_byte_t last_pfx)19{20 insn_attr_t lpfx_attr;21 22 lpfx_attr = inat_get_opcode_attribute(last_pfx);23 return inat_last_prefix_id(lpfx_attr);24}25 26insn_attr_t inat_get_escape_attribute(insn_byte_t opcode, int lpfx_id,27 insn_attr_t esc_attr)28{29 const insn_attr_t *table;30 int n;31 32 n = inat_escape_id(esc_attr);33 34 table = inat_escape_tables[n][0];35 if (!table)36 return 0;37 if (inat_has_variant(table[opcode]) && lpfx_id) {38 table = inat_escape_tables[n][lpfx_id];39 if (!table)40 return 0;41 }42 return table[opcode];43}44 45insn_attr_t inat_get_group_attribute(insn_byte_t modrm, int lpfx_id,46 insn_attr_t grp_attr)47{48 const insn_attr_t *table;49 int n;50 51 n = inat_group_id(grp_attr);52 53 table = inat_group_tables[n][0];54 if (!table)55 return inat_group_common_attribute(grp_attr);56 if (inat_has_variant(table[X86_MODRM_REG(modrm)]) && lpfx_id) {57 table = inat_group_tables[n][lpfx_id];58 if (!table)59 return inat_group_common_attribute(grp_attr);60 }61 return table[X86_MODRM_REG(modrm)] |62 inat_group_common_attribute(grp_attr);63}64 65insn_attr_t inat_get_avx_attribute(insn_byte_t opcode, insn_byte_t vex_m,66 insn_byte_t vex_p)67{68 const insn_attr_t *table;69 if (vex_m > X86_VEX_M_MAX || vex_p > INAT_LSTPFX_MAX)70 return 0;71 /* At first, this checks the master table */72 table = inat_avx_tables[vex_m][0];73 if (!table)74 return 0;75 if (!inat_is_group(table[opcode]) && vex_p) {76 /* If this is not a group, get attribute directly */77 table = inat_avx_tables[vex_m][vex_p];78 if (!table)79 return 0;80 }81 return table[opcode];82}83 84