filename | src/sh4/x86op.h |
changeset | 359:c588dce7ebde |
next | 361:be3de4ecd954 |
author | nkeynes |
date | Thu Aug 23 12:33:27 2007 +0000 (13 years ago) |
permissions | -rw-r--r-- |
last change | Commit decoder generator Translator work in progress Fix mac.l, mac.w in emu core |
file | annotate | diff | log | raw |
nkeynes@359 | 1 | /** |
nkeynes@359 | 2 | * $Id: x86op.h,v 1.1 2007-08-23 12:33:27 nkeynes Exp $ |
nkeynes@359 | 3 | * |
nkeynes@359 | 4 | * Definitions of x86 opcodes for use by the translator. |
nkeynes@359 | 5 | * |
nkeynes@359 | 6 | * Copyright (c) 2007 Nathan Keynes. |
nkeynes@359 | 7 | * |
nkeynes@359 | 8 | * This program is free software; you can redistribute it and/or modify |
nkeynes@359 | 9 | * it under the terms of the GNU General Public License as published by |
nkeynes@359 | 10 | * the Free Software Foundation; either version 2 of the License, or |
nkeynes@359 | 11 | * (at your option) any later version. |
nkeynes@359 | 12 | * |
nkeynes@359 | 13 | * This program is distributed in the hope that it will be useful, |
nkeynes@359 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
nkeynes@359 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
nkeynes@359 | 16 | * GNU General Public License for more details. |
nkeynes@359 | 17 | */ |
nkeynes@359 | 18 | |
nkeynes@359 | 19 | #ifndef __lxdream_x86op_H |
nkeynes@359 | 20 | #define __lxdream_x86op_H |
nkeynes@359 | 21 | |
nkeynes@359 | 22 | #define R_NONE -1 |
nkeynes@359 | 23 | #define R_EAX 0 |
nkeynes@359 | 24 | #define R_ECX 1 |
nkeynes@359 | 25 | #define R_EDX 2 |
nkeynes@359 | 26 | #define R_EBX 3 |
nkeynes@359 | 27 | #define R_ESP 4 |
nkeynes@359 | 28 | #define R_EBP 5 |
nkeynes@359 | 29 | #define R_ESI 6 |
nkeynes@359 | 30 | #define R_EDI 7 |
nkeynes@359 | 31 | |
nkeynes@359 | 32 | #define R_AL 0 |
nkeynes@359 | 33 | #define R_CL 1 |
nkeynes@359 | 34 | #define R_DL 2 |
nkeynes@359 | 35 | #define R_BL 3 |
nkeynes@359 | 36 | #define R_AH 4 |
nkeynes@359 | 37 | #define R_CH 5 |
nkeynes@359 | 38 | #define R_DH 6 |
nkeynes@359 | 39 | #define R_BH 7 |
nkeynes@359 | 40 | |
nkeynes@359 | 41 | |
nkeynes@359 | 42 | #define OP(x) *xlat_output++ = x |
nkeynes@359 | 43 | #define OP32(x) *((uint32_t *)xlat_output) = x; xlat_output+=2 |
nkeynes@359 | 44 | |
nkeynes@359 | 45 | /* Offset of a reg relative to the sh4r structure */ |
nkeynes@359 | 46 | #define REG_OFFSET(reg) (((char *)&sh4r.reg) - ((char *)&sh4r)) |
nkeynes@359 | 47 | |
nkeynes@359 | 48 | #define R_T REG_OFFSET(t) |
nkeynes@359 | 49 | #define R_GBR REG_OFFSET(gbr) |
nkeynes@359 | 50 | #define R_SSR REG_OFFSET(ssr) |
nkeynes@359 | 51 | #define R_SPC REG_OFFSET(spc) |
nkeynes@359 | 52 | #define R_VBR REG_OFFSET(vbr) |
nkeynes@359 | 53 | #define R_MACH REG_OFFSET(mac)+4 |
nkeynes@359 | 54 | #define R_MACL REG_OFFSET(mac) |
nkeynes@359 | 55 | #define R_PR REG_OFFSET(pr) |
nkeynes@359 | 56 | #define R_SGR REG_OFFSET(sgr) |
nkeynes@359 | 57 | #define R_FPUL REG_OFFSET(fpul) |
nkeynes@359 | 58 | #define R_FPSCR REG_OFFSET(fpscr) |
nkeynes@359 | 59 | #define R_DBR REG_OFFSET(dbr) |
nkeynes@359 | 60 | |
nkeynes@359 | 61 | /**************** Basic X86 operations *********************/ |
nkeynes@359 | 62 | /* Note: operands follow SH4 convention (source, dest) rather than x86 |
nkeynes@359 | 63 | * conventions (dest, source) |
nkeynes@359 | 64 | */ |
nkeynes@359 | 65 | |
nkeynes@359 | 66 | /* Two-reg modrm form - first arg is the r32 reg, second arg is the r/m32 reg */ |
nkeynes@359 | 67 | #define MODRM_r32_rm32(r1,r2) OP(0xC0 | (r1<<3) | r2) |
nkeynes@359 | 68 | #define MODRM_rm32_r32(r1,r2) OP(0xC0 | (r2<<3) | r1) |
nkeynes@359 | 69 | |
nkeynes@359 | 70 | /* ebp+disp8 modrm form */ |
nkeynes@359 | 71 | #define MODRM_r32_ebp8(r1,disp) OP(0x45 | (r1<<3)); OP(disp) |
nkeynes@359 | 72 | |
nkeynes@359 | 73 | /* ebp+disp32 modrm form */ |
nkeynes@359 | 74 | #define MODRM_r32_ebp32(r1,disp) OP(0x85 | (r1<<3)); OP32(disp) |
nkeynes@359 | 75 | |
nkeynes@359 | 76 | /* Major opcodes */ |
nkeynes@359 | 77 | #define ADD_r32_r32(r1,r2) OP(0x03); MODRM_rm32_r32(r1,r2) |
nkeynes@359 | 78 | #define ADD_imm8s_r32(imm,r1) OP(0x83); MODRM_rm32_r32(r1, 0); OP(imm) |
nkeynes@359 | 79 | #define ADC_r32_r32(r1,r2) OP(0x13); MODRM_rm32_r32(r1,r2) |
nkeynes@359 | 80 | #define AND_r32_r32(r1,r2) OP(0x23); MODRM_rm32_r32(r1,r2) |
nkeynes@359 | 81 | #define AND_imm32_r32(imm,r1) OP(0x81); MODRM_rm32_r32(r1,4); OP32(imm) |
nkeynes@359 | 82 | #define CMC() OP(0xF5) |
nkeynes@359 | 83 | #define CMP_r32_r32(r1,r2) OP(0x3B); MODRM_rm32_r32(r1,r2) |
nkeynes@359 | 84 | #define CMP_imm8s_r32(imm,r1) OP(0x83); MODRM_rm32_r32(r1,7); OP(imm) |
nkeynes@359 | 85 | #define MOV_r32_ebp8(r1,disp) OP(0x89); MODRM_r32_ebp8(r1,disp) |
nkeynes@359 | 86 | #define MOV_r32_ebp32(r1,disp) OP(0x89); MODRM_r32_ebp32(r1,disp) |
nkeynes@359 | 87 | #define MOV_ebp8_r32(r1,disp) OP(0x8B); MODRM_r32_ebp8(r1,disp) |
nkeynes@359 | 88 | #define MOV_ebp32_r32(r1,disp) OP(0x8B); MODRM_r32_ebp32(r1,disp) |
nkeynes@359 | 89 | #define MOVSX_r8_r32(r1,r2) OP(0x0F); OP(0xBE); MODRM_rm32_r32(r1,r2) |
nkeynes@359 | 90 | #define MOVSX_r16_r32(r1,r2) OP(0x0F); OP(0xBF); MODRM_rm32_r32(r1,r2) |
nkeynes@359 | 91 | #define MOVZX_r8_r32(r1,r2) OP(0x0F); OP(0xB6); MODRM_rm32_r32(r1,r2) |
nkeynes@359 | 92 | #define MOVZX_r16_r32(r1,r2) OP(0x0F); OP(0xB7); MODRM_rm32_r32(r1,r2) |
nkeynes@359 | 93 | #define NEG_r32(r1) OP(0xF7); MODRM_rm32_r32(r1,3) |
nkeynes@359 | 94 | #define NOT_r32(r1) OP(0xF7); MODRM_rm32_r32(r1,2) |
nkeynes@359 | 95 | #define OR_r32_r32(r1,r2) OP(0x0B); MODRM_rm32_r32(r1,r2) |
nkeynes@359 | 96 | #define OR_imm32_r32(imm,r1) OP(0x81); MODRM_rm32_r32(r1,1); OP32(imm) |
nkeynes@359 | 97 | #define RCL1_r32(r1) OP(0xD1); MODRM_rm32_r32(r1,2) |
nkeynes@359 | 98 | #define RCR1_r32(r1) OP(0xD1); MODRM_rm32_r32(r1,3) |
nkeynes@359 | 99 | #define RET() OP(0xC3) |
nkeynes@359 | 100 | #define ROL1_r32(r1) OP(0xD1); MODRM_rm32_r32(r1,0) |
nkeynes@359 | 101 | #define ROR1_r32(r1) OP(0xD1); MODRM_rm32_r32(r1,1) |
nkeynes@359 | 102 | #define SAR1_r32(r1) OP(0xD1); MODRM_rm32_r32(r1,7) |
nkeynes@359 | 103 | #define SAR_imm8_r32(imm,r1) OP(0xC1); MODRM_rm32_r32(r1,7); OP(imm) |
nkeynes@359 | 104 | #define SBB_r32_r32(r1,r2) OP(0x1B); MODRM_rm32_r32(r1,r2) |
nkeynes@359 | 105 | #define SHL1_r32(r1) OP(0xD1); MODRM_rm32_r32(r1,4) |
nkeynes@359 | 106 | #define SHL_imm8_r32(imm,r1) OP(0xC1); MODRM_rm32_r32(r1,4); OP(imm) |
nkeynes@359 | 107 | #define SHR1_r32(r1) OP(0xD1); MODRM_rm32_r32(r1,5) |
nkeynes@359 | 108 | #define SHR_imm8_r32(imm,r1) OP(0xC1); MODRM_rm32_r32(r1,5); OP(imm) |
nkeynes@359 | 109 | #define SUB_r32_r32(r1,r2) OP(0x2B); MODRM_rm32_r32(r1,r2) |
nkeynes@359 | 110 | #define TEST_r32_r32(r1,r2) OP(0x85); MODRM_rm32_r32(r1,r2) |
nkeynes@359 | 111 | #define TEST_imm32_r32(imm,r1) OP(0xF7); MODRM_rm32_r32(r1,0); OP32(imm) |
nkeynes@359 | 112 | #define XOR_r32_r32(r1,r2) OP(0x33); MODRM_rm32_r32(r1,r2) |
nkeynes@359 | 113 | #define XOR_imm32_r32(imm,r1) OP(0x81); MODRM_rm32_r32(r1,6); OP32(imm) |
nkeynes@359 | 114 | |
nkeynes@359 | 115 | #define ADD_imm32_r32(imm32,r1) |
nkeynes@359 | 116 | #define MOV_r32_r32(r1,r2) |
nkeynes@359 | 117 | #define XCHG_r8_r8(r1,r2) |
nkeynes@359 | 118 | |
nkeynes@359 | 119 | /* Conditional branches */ |
nkeynes@359 | 120 | #define JE_rel8(rel) OP(0x74); OP(rel) |
nkeynes@359 | 121 | #define JA_rel8(rel) OP(0x77); OP(rel) |
nkeynes@359 | 122 | #define JAE_rel8(rel) OP(0x73); OP(rel) |
nkeynes@359 | 123 | #define JG_rel8(rel) OP(0x7F); OP(rel) |
nkeynes@359 | 124 | #define JGE_rel8(rel) OP(0x7D); OP(rel) |
nkeynes@359 | 125 | #define JC_rel8(rel) OP(0x72); OP(rel) |
nkeynes@359 | 126 | #define JO_rel8(rel) OP(0x70); OP(rel) |
nkeynes@359 | 127 | |
nkeynes@359 | 128 | /* Negated forms */ |
nkeynes@359 | 129 | #define JNE_rel8(rel) OP(0x75); OP(rel) |
nkeynes@359 | 130 | #define JNA_rel8(rel) OP(0x76); OP(rel) |
nkeynes@359 | 131 | #define JNAE_rel8(rel) OP(0x72); OP(rel) |
nkeynes@359 | 132 | #define JNG_rel8(rel) OP(0x7E); OP(rel) |
nkeynes@359 | 133 | #define JNGE_rel8(rel) OP(0x7C); OP(rel) |
nkeynes@359 | 134 | #define JNC_rel8(rel) OP(0x73); OP(rel) |
nkeynes@359 | 135 | #define JNO_rel8(rel) OP(0x71); OP(rel) |
nkeynes@359 | 136 | |
nkeynes@359 | 137 | /* Conditional setcc - writeback to sh4r.t */ |
nkeynes@359 | 138 | #define SETE_t() OP(0x0F); OP(0x94); MODRM_r32_ebp8(0, R_T); |
nkeynes@359 | 139 | #define SETA_t() OP(0x0F); OP(0x97); MODRM_r32_ebp8(0, R_T); |
nkeynes@359 | 140 | #define SETAE_t() OP(0x0F); OP(0x93); MODRM_r32_ebp8(0, R_T); |
nkeynes@359 | 141 | #define SETG_t() OP(0x0F); OP(0x9F); MODRM_r32_ebp8(0, R_T); |
nkeynes@359 | 142 | #define SETGE_t() OP(0x0F); OP(0x9D); MODRM_r32_ebp8(0, R_T); |
nkeynes@359 | 143 | #define SETC_t() OP(0x0F); OP(0x92); MODRM_r32_ebp8(0, R_T); |
nkeynes@359 | 144 | #define SETO_t() OP(0x0F); OP(0x90); MODRM_r32_ebp8(0, R_T); |
nkeynes@359 | 145 | |
nkeynes@359 | 146 | #define SETNE_t() OP(0x0F); OP(0x95); MODRM_r32_ebp8(0, R_T); |
nkeynes@359 | 147 | #define SETNA_t() OP(0x0F); OP(0x96); MODRM_r32_ebp8(0, R_T); |
nkeynes@359 | 148 | #define SETNAE_t() OP(0x0F); OP(0x92); MODRM_r32_ebp8(0, R_T); |
nkeynes@359 | 149 | #define SETNG_t() OP(0x0F); OP(0x9E); MODRM_r32_ebp8(0, R_T); |
nkeynes@359 | 150 | #define SETNGE_t() OP(0x0F); OP(0x9C); MODRM_r32_ebp8(0, R_T); |
nkeynes@359 | 151 | #define SETNC_t() OP(0x0F); OP(0x93); MODRM_r32_ebp8(0, R_T); |
nkeynes@359 | 152 | #define SETNO_t() OP(0x0F); OP(0x91); MODRM_r32_ebp8(0, R_T); |
nkeynes@359 | 153 | |
nkeynes@359 | 154 | /* Pseudo-op Load carry from T: CMP [EBP+t], #01 ; CMC */ |
nkeynes@359 | 155 | #define LDC_t() OP(0x83); MODRM_r32_ebp8(7,R_T); OP(0x01); CMC() |
nkeynes@359 | 156 | |
nkeynes@359 | 157 | #endif /* !__lxdream_x86op_H */ |
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