git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| eb13296c MH |
1 | /* |
| 2 | * x86 instruction attribute tables | |
| 3 | * | |
| 4 | * Written by Masami Hiramatsu <mhiramat@redhat.com> | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License as published by | |
| 8 | * the Free Software Foundation; either version 2 of the License, or | |
| 9 | * (at your option) any later version. | |
| 10 | * | |
| 11 | * This program is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | * GNU General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License | |
| 17 | * along with this program; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 19 | * | |
| 20 | */ | |
| 21 | #include <asm/insn.h> | |
| 22 | ||
| 23 | /* Attribute tables are generated from opcode map */ | |
| 24 | #include "inat-tables.c" | |
| 25 | ||
| 26 | /* Attribute search APIs */ | |
| 27 | insn_attr_t inat_get_opcode_attribute(insn_byte_t opcode) | |
| 28 | { | |
| 29 | return inat_primary_table[opcode]; | |
| 30 | } | |
| 31 | ||
| 32 | insn_attr_t inat_get_escape_attribute(insn_byte_t opcode, insn_byte_t last_pfx, | |
| 33 | insn_attr_t esc_attr) | |
| 34 | { | |
| 35 | const insn_attr_t *table; | |
| 36 | insn_attr_t lpfx_attr; | |
| 37 | int n, m = 0; | |
| 38 | ||
| 39 | n = inat_escape_id(esc_attr); | |
| 40 | if (last_pfx) { | |
| 41 | lpfx_attr = inat_get_opcode_attribute(last_pfx); | |
| 42 | m = inat_last_prefix_id(lpfx_attr); | |
| 43 | } | |
| 44 | table = inat_escape_tables[n][0]; | |
| 45 | if (!table) | |
| 46 | return 0; | |
| 47 | if (inat_has_variant(table[opcode]) && m) { | |
| 48 | table = inat_escape_tables[n][m]; | |
| 49 | if (!table) | |
| 50 | return 0; | |
| 51 | } | |
| 52 | return table[opcode]; | |
| 53 | } | |
| 54 | ||
| 55 | insn_attr_t inat_get_group_attribute(insn_byte_t modrm, insn_byte_t last_pfx, | |
| 56 | insn_attr_t grp_attr) | |
| 57 | { | |
| 58 | const insn_attr_t *table; | |
| 59 | insn_attr_t lpfx_attr; | |
| 60 | int n, m = 0; | |
| 61 | ||
| 62 | n = inat_group_id(grp_attr); | |
| 63 | if (last_pfx) { | |
| 64 | lpfx_attr = inat_get_opcode_attribute(last_pfx); | |
| 65 | m = inat_last_prefix_id(lpfx_attr); | |
| 66 | } | |
| 67 | table = inat_group_tables[n][0]; | |
| 68 | if (!table) | |
| 69 | return inat_group_common_attribute(grp_attr); | |
| 70 | if (inat_has_variant(table[X86_MODRM_REG(modrm)]) && m) { | |
| 06ed6ba5 | 71 | table = inat_group_tables[n][m]; |
| eb13296c MH |
72 | if (!table) |
| 73 | return inat_group_common_attribute(grp_attr); | |
| 74 | } | |
| 75 | return table[X86_MODRM_REG(modrm)] | | |
| 76 | inat_group_common_attribute(grp_attr); | |
| 77 | } | |
| 78 | ||
| e0e492e9 MH |
79 | insn_attr_t inat_get_avx_attribute(insn_byte_t opcode, insn_byte_t vex_m, |
| 80 | insn_byte_t vex_p) | |
| 81 | { | |
| 82 | const insn_attr_t *table; | |
| 83 | if (vex_m > X86_VEX_M_MAX || vex_p > INAT_LSTPFX_MAX) | |
| 84 | return 0; | |
| 85 | table = inat_avx_tables[vex_m][vex_p]; | |
| 86 | if (!table) | |
| 87 | return 0; | |
| 88 | return table[opcode]; | |
| 89 | } | |
| 90 |