1 | /* CPU data for openrisc.
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2 |
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3 | THIS FILE IS MACHINE GENERATED WITH CGEN.
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4 |
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5 | Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
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6 |
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7 | This file is part of the GNU Binutils and/or GDB, the GNU debugger.
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8 |
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9 | This program is free software; you can redistribute it and/or modify
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10 | it under the terms of the GNU General Public License as published by
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11 | the Free Software Foundation; either version 2, or (at your option)
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12 | any later version.
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13 |
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14 | This program is distributed in the hope that it will be useful,
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15 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 | GNU General Public License for more details.
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18 |
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19 | You should have received a copy of the GNU General Public License along
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20 | with this program; if not, write to the Free Software Foundation, Inc.,
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21 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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22 |
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23 | */
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24 |
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25 | #include "sysdep.h"
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26 | #include <stdio.h>
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27 | #include <stdarg.h>
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28 | #include "ansidecl.h"
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29 | #include "bfd.h"
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30 | #include "symcat.h"
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31 | #include "openrisc-desc.h"
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32 | #include "openrisc-opc.h"
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33 | #include "opintl.h"
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34 | #include "libiberty.h"
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35 | #include "xregex.h"
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36 |
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37 | /* Attributes. */
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38 |
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39 | static const CGEN_ATTR_ENTRY bool_attr[] =
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40 | {
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41 | { "#f", 0 },
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42 | { "#t", 1 },
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43 | { 0, 0 }
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44 | };
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45 |
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46 | static const CGEN_ATTR_ENTRY MACH_attr[] =
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47 | {
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48 | { "base", MACH_BASE },
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49 | { "openrisc", MACH_OPENRISC },
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50 | { "or1300", MACH_OR1300 },
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51 | { "max", MACH_MAX },
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52 | { 0, 0 }
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53 | };
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54 |
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55 | static const CGEN_ATTR_ENTRY ISA_attr[] =
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56 | {
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57 | { "or32", ISA_OR32 },
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58 | { "max", ISA_MAX },
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59 | { 0, 0 }
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60 | };
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61 |
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62 | static const CGEN_ATTR_ENTRY HAS_CACHE_attr[] =
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63 | {
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64 | { "DATA_CACHE", HAS_CACHE_DATA_CACHE },
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65 | { "INSN_CACHE", HAS_CACHE_INSN_CACHE },
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66 | { 0, 0 }
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67 | };
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68 |
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69 | const CGEN_ATTR_TABLE openrisc_cgen_ifield_attr_table[] =
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70 | {
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71 | { "MACH", & MACH_attr[0], & MACH_attr[0] },
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72 | { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
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73 | { "PCREL-ADDR", &bool_attr[0], &bool_attr[0] },
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74 | { "ABS-ADDR", &bool_attr[0], &bool_attr[0] },
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75 | { "RESERVED", &bool_attr[0], &bool_attr[0] },
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76 | { "SIGN-OPT", &bool_attr[0], &bool_attr[0] },
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77 | { "SIGNED", &bool_attr[0], &bool_attr[0] },
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78 | { 0, 0, 0 }
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79 | };
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80 |
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81 | const CGEN_ATTR_TABLE openrisc_cgen_hardware_attr_table[] =
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82 | {
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83 | { "MACH", & MACH_attr[0], & MACH_attr[0] },
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84 | { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
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85 | { "CACHE-ADDR", &bool_attr[0], &bool_attr[0] },
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86 | { "PC", &bool_attr[0], &bool_attr[0] },
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87 | { "PROFILE", &bool_attr[0], &bool_attr[0] },
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88 | { 0, 0, 0 }
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89 | };
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90 |
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91 | const CGEN_ATTR_TABLE openrisc_cgen_operand_attr_table[] =
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92 | {
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93 | { "MACH", & MACH_attr[0], & MACH_attr[0] },
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94 | { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
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95 | { "PCREL-ADDR", &bool_attr[0], &bool_attr[0] },
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96 | { "ABS-ADDR", &bool_attr[0], &bool_attr[0] },
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97 | { "SIGN-OPT", &bool_attr[0], &bool_attr[0] },
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98 | { "SIGNED", &bool_attr[0], &bool_attr[0] },
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99 | { "NEGATIVE", &bool_attr[0], &bool_attr[0] },
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100 | { "RELAX", &bool_attr[0], &bool_attr[0] },
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101 | { "SEM-ONLY", &bool_attr[0], &bool_attr[0] },
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102 | { 0, 0, 0 }
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103 | };
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104 |
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105 | const CGEN_ATTR_TABLE openrisc_cgen_insn_attr_table[] =
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106 | {
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107 | { "MACH", & MACH_attr[0], & MACH_attr[0] },
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108 | { "ALIAS", &bool_attr[0], &bool_attr[0] },
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109 | { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
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110 | { "UNCOND-CTI", &bool_attr[0], &bool_attr[0] },
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111 | { "COND-CTI", &bool_attr[0], &bool_attr[0] },
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112 | { "SKIP-CTI", &bool_attr[0], &bool_attr[0] },
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113 | { "DELAY-SLOT", &bool_attr[0], &bool_attr[0] },
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114 | { "RELAXABLE", &bool_attr[0], &bool_attr[0] },
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115 | { "RELAX", &bool_attr[0], &bool_attr[0] },
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116 | { "NO-DIS", &bool_attr[0], &bool_attr[0] },
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117 | { "PBB", &bool_attr[0], &bool_attr[0] },
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118 | { "NOT-IN-DELAY-SLOT", &bool_attr[0], &bool_attr[0] },
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119 | { 0, 0, 0 }
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120 | };
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121 |
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122 | /* Instruction set variants. */
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123 |
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124 | static const CGEN_ISA openrisc_cgen_isa_table[] = {
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125 | { "or32", 32, 32, 32, 32 },
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126 | { 0, 0, 0, 0, 0 }
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127 | };
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128 |
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129 | /* Machine variants. */
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130 |
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131 | static const CGEN_MACH openrisc_cgen_mach_table[] = {
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132 | { "openrisc", "openrisc", MACH_OPENRISC, 0 },
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133 | { "or1300", "openrisc:1300", MACH_OR1300, 0 },
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134 | { 0, 0, 0, 0 }
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135 | };
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136 |
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137 | static CGEN_KEYWORD_ENTRY openrisc_cgen_opval_h_gr_entries[] =
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138 | {
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139 | { "r0", 0, {0, {0}}, 0, 0 },
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140 | { "r1", 1, {0, {0}}, 0, 0 },
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141 | { "r2", 2, {0, {0}}, 0, 0 },
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142 | { "r3", 3, {0, {0}}, 0, 0 },
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143 | { "r4", 4, {0, {0}}, 0, 0 },
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144 | { "r5", 5, {0, {0}}, 0, 0 },
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145 | { "r6", 6, {0, {0}}, 0, 0 },
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146 | { "r7", 7, {0, {0}}, 0, 0 },
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147 | { "r8", 8, {0, {0}}, 0, 0 },
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148 | { "r9", 9, {0, {0}}, 0, 0 },
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149 | { "r10", 10, {0, {0}}, 0, 0 },
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150 | { "r11", 11, {0, {0}}, 0, 0 },
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151 | { "r12", 12, {0, {0}}, 0, 0 },
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152 | { "r13", 13, {0, {0}}, 0, 0 },
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153 | { "r14", 14, {0, {0}}, 0, 0 },
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154 | { "r15", 15, {0, {0}}, 0, 0 },
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155 | { "r16", 16, {0, {0}}, 0, 0 },
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156 | { "r17", 17, {0, {0}}, 0, 0 },
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157 | { "r18", 18, {0, {0}}, 0, 0 },
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158 | { "r19", 19, {0, {0}}, 0, 0 },
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159 | { "r20", 20, {0, {0}}, 0, 0 },
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160 | { "r21", 21, {0, {0}}, 0, 0 },
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161 | { "r22", 22, {0, {0}}, 0, 0 },
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162 | { "r23", 23, {0, {0}}, 0, 0 },
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163 | { "r24", 24, {0, {0}}, 0, 0 },
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164 | { "r25", 25, {0, {0}}, 0, 0 },
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165 | { "r26", 26, {0, {0}}, 0, 0 },
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166 | { "r27", 27, {0, {0}}, 0, 0 },
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167 | { "r28", 28, {0, {0}}, 0, 0 },
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168 | { "r29", 29, {0, {0}}, 0, 0 },
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169 | { "r30", 30, {0, {0}}, 0, 0 },
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170 | { "r31", 31, {0, {0}}, 0, 0 },
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171 | { "lr", 11, {0, {0}}, 0, 0 },
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172 | { "sp", 1, {0, {0}}, 0, 0 },
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173 | { "fp", 2, {0, {0}}, 0, 0 }
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174 | };
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175 |
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176 | CGEN_KEYWORD openrisc_cgen_opval_h_gr =
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177 | {
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178 | & openrisc_cgen_opval_h_gr_entries[0],
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179 | 35,
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180 | 0, 0, 0, 0, ""
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181 | };
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182 |
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183 |
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184 | /* The hardware table. */
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185 |
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186 | #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
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187 | #define A(a) (1 << CGEN_HW_##a)
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188 | #else
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189 | #define A(a) (1 << CGEN_HW_/**/a)
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190 | #endif
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191 |
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192 | const CGEN_HW_ENTRY openrisc_cgen_hw_table[] =
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193 | {
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194 | { "h-memory", HW_H_MEMORY, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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195 | { "h-sint", HW_H_SINT, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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196 | { "h-uint", HW_H_UINT, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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197 | { "h-addr", HW_H_ADDR, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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198 | { "h-iaddr", HW_H_IADDR, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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199 | { "h-pc", HW_H_PC, CGEN_ASM_NONE, 0, { 0|A(PROFILE)|A(PC), { (1<<MACH_BASE) } } },
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200 | { "h-gr", HW_H_GR, CGEN_ASM_KEYWORD, (PTR) & openrisc_cgen_opval_h_gr, { 0|A(PROFILE), { (1<<MACH_BASE) } } },
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201 | { "h-sr", HW_H_SR, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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202 | { "h-hi16", HW_H_HI16, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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203 | { "h-lo16", HW_H_LO16, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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204 | { "h-cbit", HW_H_CBIT, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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205 | { "h-delay-insn", HW_H_DELAY_INSN, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
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206 | { 0, 0, CGEN_ASM_NONE, 0, {0, {0}} }
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207 | };
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208 |
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209 | #undef A
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210 |
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211 |
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212 | /* The instruction field table. */
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213 |
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214 | #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
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215 | #define A(a) (1 << CGEN_IFLD_##a)
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216 | #else
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217 | #define A(a) (1 << CGEN_IFLD_/**/a)
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218 | #endif
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219 |
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220 | const CGEN_IFLD openrisc_cgen_ifld_table[] =
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221 | {
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222 | { OPENRISC_F_NIL, "f-nil", 0, 0, 0, 0, { 0, { (1<<MACH_BASE) } } },
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223 | { OPENRISC_F_ANYOF, "f-anyof", 0, 0, 0, 0, { 0, { (1<<MACH_BASE) } } },
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224 | { OPENRISC_F_CLASS, "f-class", 0, 32, 31, 2, { 0, { (1<<MACH_BASE) } } },
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225 | { OPENRISC_F_SUB, "f-sub", 0, 32, 29, 4, { 0, { (1<<MACH_BASE) } } },
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226 | { OPENRISC_F_R1, "f-r1", 0, 32, 25, 5, { 0, { (1<<MACH_BASE) } } },
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227 | { OPENRISC_F_R2, "f-r2", 0, 32, 20, 5, { 0, { (1<<MACH_BASE) } } },
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228 | { OPENRISC_F_R3, "f-r3", 0, 32, 15, 5, { 0, { (1<<MACH_BASE) } } },
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229 | { OPENRISC_F_SIMM16, "f-simm16", 0, 32, 15, 16, { 0, { (1<<MACH_BASE) } } },
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230 | { OPENRISC_F_UIMM16, "f-uimm16", 0, 32, 15, 16, { 0, { (1<<MACH_BASE) } } },
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231 | { OPENRISC_F_UIMM5, "f-uimm5", 0, 32, 4, 5, { 0, { (1<<MACH_BASE) } } },
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232 | { OPENRISC_F_HI16, "f-hi16", 0, 32, 15, 16, { 0, { (1<<MACH_BASE) } } },
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233 | { OPENRISC_F_LO16, "f-lo16", 0, 32, 15, 16, { 0, { (1<<MACH_BASE) } } },
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234 | { OPENRISC_F_OP1, "f-op1", 0, 32, 31, 2, { 0, { (1<<MACH_BASE) } } },
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235 | { OPENRISC_F_OP2, "f-op2", 0, 32, 29, 4, { 0, { (1<<MACH_BASE) } } },
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236 | { OPENRISC_F_OP3, "f-op3", 0, 32, 25, 2, { 0, { (1<<MACH_BASE) } } },
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237 | { OPENRISC_F_OP4, "f-op4", 0, 32, 23, 3, { 0, { (1<<MACH_BASE) } } },
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238 | { OPENRISC_F_OP5, "f-op5", 0, 32, 25, 5, { 0, { (1<<MACH_BASE) } } },
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239 | { OPENRISC_F_OP6, "f-op6", 0, 32, 7, 3, { 0, { (1<<MACH_BASE) } } },
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240 | { OPENRISC_F_OP7, "f-op7", 0, 32, 3, 4, { 0, { (1<<MACH_BASE) } } },
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241 | { OPENRISC_F_I16_1, "f-i16-1", 0, 32, 10, 11, { 0, { (1<<MACH_BASE) } } },
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242 | { OPENRISC_F_I16_2, "f-i16-2", 0, 32, 25, 5, { 0, { (1<<MACH_BASE) } } },
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243 | { OPENRISC_F_DISP26, "f-disp26", 0, 32, 25, 26, { 0|A(PCREL_ADDR), { (1<<MACH_BASE) } } },
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244 | { OPENRISC_F_ABS26, "f-abs26", 0, 32, 25, 26, { 0|A(ABS_ADDR), { (1<<MACH_BASE) } } },
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245 | { OPENRISC_F_I16NC, "f-i16nc", 0, 0, 0, 0,{ 0|A(SIGN_OPT)|A(VIRTUAL), { (1<<MACH_BASE) } } },
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246 | { OPENRISC_F_F_15_8, "f-f-15-8", 0, 32, 15, 8, { 0|A(RESERVED), { (1<<MACH_BASE) } } },
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247 | { OPENRISC_F_F_10_3, "f-f-10-3", 0, 32, 10, 3, { 0|A(RESERVED), { (1<<MACH_BASE) } } },
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248 | { OPENRISC_F_F_4_1, "f-f-4-1", 0, 32, 4, 1, { 0|A(RESERVED), { (1<<MACH_BASE) } } },
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249 | { OPENRISC_F_F_7_3, "f-f-7-3", 0, 32, 7, 3, { 0|A(RESERVED), { (1<<MACH_BASE) } } },
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250 | { OPENRISC_F_F_10_7, "f-f-10-7", 0, 32, 10, 7, { 0|A(RESERVED), { (1<<MACH_BASE) } } },
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251 | { OPENRISC_F_F_10_11, "f-f-10-11", 0, 32, 10, 11, { 0|A(RESERVED), { (1<<MACH_BASE) } } },
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252 | { 0, 0, 0, 0, 0, 0, {0, {0}} }
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253 | };
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254 |
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255 | #undef A
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256 |
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257 |
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258 |
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259 | /* multi ifield declarations */
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260 |
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261 | const CGEN_MAYBE_MULTI_IFLD OPENRISC_F_I16NC_MULTI_IFIELD [];
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262 |
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263 |
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264 | /* multi ifield definitions */
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265 |
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266 | const CGEN_MAYBE_MULTI_IFLD OPENRISC_F_I16NC_MULTI_IFIELD [] =
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267 | {
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268 | { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_I16_1] } },
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269 | { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_I16_2] } },
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270 | { 0, { (const PTR) 0 } }
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271 | };
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272 |
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273 | /* The operand table. */
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274 |
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275 | #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
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276 | #define A(a) (1 << CGEN_OPERAND_##a)
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277 | #else
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278 | #define A(a) (1 << CGEN_OPERAND_/**/a)
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279 | #endif
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280 | #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
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281 | #define OPERAND(op) OPENRISC_OPERAND_##op
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282 | #else
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283 | #define OPERAND(op) OPENRISC_OPERAND_/**/op
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284 | #endif
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285 |
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286 | const CGEN_OPERAND openrisc_cgen_operand_table[] =
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287 | {
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288 | /* pc: program counter */
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289 | { "pc", OPENRISC_OPERAND_PC, HW_H_PC, 0, 0,
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290 | { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_NIL] } },
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291 | { 0|A(SEM_ONLY), { (1<<MACH_BASE) } } },
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292 | /* sr: special register */
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293 | { "sr", OPENRISC_OPERAND_SR, HW_H_SR, 0, 0,
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294 | { 0, { (const PTR) 0 } },
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295 | { 0|A(SEM_ONLY), { (1<<MACH_BASE) } } },
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296 | /* cbit: condition bit */
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297 | { "cbit", OPENRISC_OPERAND_CBIT, HW_H_CBIT, 0, 0,
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298 | { 0, { (const PTR) 0 } },
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299 | { 0|A(SEM_ONLY), { (1<<MACH_BASE) } } },
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300 | /* simm-16: 16 bit signed immediate */
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301 | { "simm-16", OPENRISC_OPERAND_SIMM_16, HW_H_SINT, 15, 16,
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302 | { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_SIMM16] } },
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303 | { 0, { (1<<MACH_BASE) } } },
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304 | /* uimm-16: 16 bit unsigned immediate */
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305 | { "uimm-16", OPENRISC_OPERAND_UIMM_16, HW_H_UINT, 15, 16,
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306 | { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_UIMM16] } },
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307 | { 0, { (1<<MACH_BASE) } } },
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308 | /* disp-26: pc-rel 26 bit */
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309 | { "disp-26", OPENRISC_OPERAND_DISP_26, HW_H_IADDR, 25, 26,
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310 | { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_DISP26] } },
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311 | { 0|A(PCREL_ADDR), { (1<<MACH_BASE) } } },
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312 | /* abs-26: abs 26 bit */
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313 | { "abs-26", OPENRISC_OPERAND_ABS_26, HW_H_IADDR, 25, 26,
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314 | { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_ABS26] } },
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315 | { 0|A(ABS_ADDR), { (1<<MACH_BASE) } } },
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316 | /* uimm-5: imm5 */
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317 | { "uimm-5", OPENRISC_OPERAND_UIMM_5, HW_H_UINT, 4, 5,
|
---|
318 | { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_UIMM5] } },
|
---|
319 | { 0, { (1<<MACH_BASE) } } },
|
---|
320 | /* rD: destination register */
|
---|
321 | { "rD", OPENRISC_OPERAND_RD, HW_H_GR, 25, 5,
|
---|
322 | { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_R1] } },
|
---|
323 | { 0, { (1<<MACH_BASE) } } },
|
---|
324 | /* rA: source register A */
|
---|
325 | { "rA", OPENRISC_OPERAND_RA, HW_H_GR, 20, 5,
|
---|
326 | { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_R2] } },
|
---|
327 | { 0, { (1<<MACH_BASE) } } },
|
---|
328 | /* rB: source register B */
|
---|
329 | { "rB", OPENRISC_OPERAND_RB, HW_H_GR, 15, 5,
|
---|
330 | { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_R3] } },
|
---|
331 | { 0, { (1<<MACH_BASE) } } },
|
---|
332 | /* op-f-23: f-op23 */
|
---|
333 | { "op-f-23", OPENRISC_OPERAND_OP_F_23, HW_H_UINT, 23, 3,
|
---|
334 | { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_OP4] } },
|
---|
335 | { 0, { (1<<MACH_BASE) } } },
|
---|
336 | /* op-f-3: f-op3 */
|
---|
337 | { "op-f-3", OPENRISC_OPERAND_OP_F_3, HW_H_UINT, 25, 5,
|
---|
338 | { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_OP5] } },
|
---|
339 | { 0, { (1<<MACH_BASE) } } },
|
---|
340 | /* hi16: high 16 bit immediate, sign optional */
|
---|
341 | { "hi16", OPENRISC_OPERAND_HI16, HW_H_HI16, 15, 16,
|
---|
342 | { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_SIMM16] } },
|
---|
343 | { 0|A(SIGN_OPT), { (1<<MACH_BASE) } } },
|
---|
344 | /* lo16: low 16 bit immediate, sign optional */
|
---|
345 | { "lo16", OPENRISC_OPERAND_LO16, HW_H_LO16, 15, 16,
|
---|
346 | { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_LO16] } },
|
---|
347 | { 0|A(SIGN_OPT), { (1<<MACH_BASE) } } },
|
---|
348 | /* ui16nc: 16 bit immediate, sign optional */
|
---|
349 | { "ui16nc", OPENRISC_OPERAND_UI16NC, HW_H_LO16, 10, 16,
|
---|
350 | { 2, { (const PTR) &OPENRISC_F_I16NC_MULTI_IFIELD[0] } },
|
---|
351 | { 0|A(SIGN_OPT)|A(VIRTUAL), { (1<<MACH_BASE) } } },
|
---|
352 | /* sentinel */
|
---|
353 | { 0, 0, 0, 0, 0,
|
---|
354 | { 0, { (const PTR) 0 } },
|
---|
355 | { 0, { 0 } } }
|
---|
356 | };
|
---|
357 |
|
---|
358 | #undef A
|
---|
359 |
|
---|
360 |
|
---|
361 | /* The instruction table. */
|
---|
362 |
|
---|
363 | #define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
|
---|
364 | #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
|
---|
365 | #define A(a) (1 << CGEN_INSN_##a)
|
---|
366 | #else
|
---|
367 | #define A(a) (1 << CGEN_INSN_/**/a)
|
---|
368 | #endif
|
---|
369 |
|
---|
370 | static const CGEN_IBASE openrisc_cgen_insn_table[MAX_INSNS] =
|
---|
371 | {
|
---|
372 | /* Special null first entry.
|
---|
373 | A `num' value of zero is thus invalid.
|
---|
374 | Also, the special `invalid' insn resides here. */
|
---|
375 | { 0, 0, 0, 0, {0, {0}} },
|
---|
376 | /* l.j ${abs-26} */
|
---|
377 | {
|
---|
378 | OPENRISC_INSN_L_J, "l-j", "l.j", 32,
|
---|
379 | { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
380 | },
|
---|
381 | /* l.jal ${abs-26} */
|
---|
382 | {
|
---|
383 | OPENRISC_INSN_L_JAL, "l-jal", "l.jal", 32,
|
---|
384 | { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
385 | },
|
---|
386 | /* l.jr $rA */
|
---|
387 | {
|
---|
388 | OPENRISC_INSN_L_JR, "l-jr", "l.jr", 32,
|
---|
389 | { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
390 | },
|
---|
391 | /* l.jalr $rA */
|
---|
392 | {
|
---|
393 | OPENRISC_INSN_L_JALR, "l-jalr", "l.jalr", 32,
|
---|
394 | { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
395 | },
|
---|
396 | /* l.bal ${disp-26} */
|
---|
397 | {
|
---|
398 | OPENRISC_INSN_L_BAL, "l-bal", "l.bal", 32,
|
---|
399 | { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
400 | },
|
---|
401 | /* l.bnf ${disp-26} */
|
---|
402 | {
|
---|
403 | OPENRISC_INSN_L_BNF, "l-bnf", "l.bnf", 32,
|
---|
404 | { 0|A(NOT_IN_DELAY_SLOT)|A(COND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
405 | },
|
---|
406 | /* l.bf ${disp-26} */
|
---|
407 | {
|
---|
408 | OPENRISC_INSN_L_BF, "l-bf", "l.bf", 32,
|
---|
409 | { 0|A(NOT_IN_DELAY_SLOT)|A(COND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
410 | },
|
---|
411 | /* l.brk ${uimm-16} */
|
---|
412 | {
|
---|
413 | OPENRISC_INSN_L_BRK, "l-brk", "l.brk", 32,
|
---|
414 | { 0|A(NOT_IN_DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
415 | },
|
---|
416 | /* l.rfe $rA */
|
---|
417 | {
|
---|
418 | OPENRISC_INSN_L_RFE, "l-rfe", "l.rfe", 32,
|
---|
419 | { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
420 | },
|
---|
421 | /* l.sys ${uimm-16} */
|
---|
422 | {
|
---|
423 | OPENRISC_INSN_L_SYS, "l-sys", "l.sys", 32,
|
---|
424 | { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
425 | },
|
---|
426 | /* l.nop */
|
---|
427 | {
|
---|
428 | OPENRISC_INSN_L_NOP, "l-nop", "l.nop", 32,
|
---|
429 | { 0, { (1<<MACH_BASE) } }
|
---|
430 | },
|
---|
431 | /* l.movhi $rD,$hi16 */
|
---|
432 | {
|
---|
433 | OPENRISC_INSN_L_MOVHI, "l-movhi", "l.movhi", 32,
|
---|
434 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
435 | },
|
---|
436 | /* l.mfsr $rD,$rA */
|
---|
437 | {
|
---|
438 | OPENRISC_INSN_L_MFSR, "l-mfsr", "l.mfsr", 32,
|
---|
439 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
440 | },
|
---|
441 | /* l.mtsr $rA,$rB */
|
---|
442 | {
|
---|
443 | OPENRISC_INSN_L_MTSR, "l-mtsr", "l.mtsr", 32,
|
---|
444 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
445 | },
|
---|
446 | /* l.lw $rD,${simm-16}($rA) */
|
---|
447 | {
|
---|
448 | OPENRISC_INSN_L_LW, "l-lw", "l.lw", 32,
|
---|
449 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
450 | },
|
---|
451 | /* l.lbz $rD,${simm-16}($rA) */
|
---|
452 | {
|
---|
453 | OPENRISC_INSN_L_LBZ, "l-lbz", "l.lbz", 32,
|
---|
454 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
455 | },
|
---|
456 | /* l.lbs $rD,${simm-16}($rA) */
|
---|
457 | {
|
---|
458 | OPENRISC_INSN_L_LBS, "l-lbs", "l.lbs", 32,
|
---|
459 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
460 | },
|
---|
461 | /* l.lhz $rD,${simm-16}($rA) */
|
---|
462 | {
|
---|
463 | OPENRISC_INSN_L_LHZ, "l-lhz", "l.lhz", 32,
|
---|
464 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
465 | },
|
---|
466 | /* l.lhs $rD,${simm-16}($rA) */
|
---|
467 | {
|
---|
468 | OPENRISC_INSN_L_LHS, "l-lhs", "l.lhs", 32,
|
---|
469 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
470 | },
|
---|
471 | /* l.sw ${ui16nc}($rA),$rB */
|
---|
472 | {
|
---|
473 | OPENRISC_INSN_L_SW, "l-sw", "l.sw", 32,
|
---|
474 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
475 | },
|
---|
476 | /* l.sb ${ui16nc}($rA),$rB */
|
---|
477 | {
|
---|
478 | OPENRISC_INSN_L_SB, "l-sb", "l.sb", 32,
|
---|
479 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
480 | },
|
---|
481 | /* l.sh ${ui16nc}($rA),$rB */
|
---|
482 | {
|
---|
483 | OPENRISC_INSN_L_SH, "l-sh", "l.sh", 32,
|
---|
484 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
485 | },
|
---|
486 | /* l.sll $rD,$rA,$rB */
|
---|
487 | {
|
---|
488 | OPENRISC_INSN_L_SLL, "l-sll", "l.sll", 32,
|
---|
489 | { 0, { (1<<MACH_BASE) } }
|
---|
490 | },
|
---|
491 | /* l.slli $rD,$rA,${uimm-5} */
|
---|
492 | {
|
---|
493 | OPENRISC_INSN_L_SLLI, "l-slli", "l.slli", 32,
|
---|
494 | { 0, { (1<<MACH_BASE) } }
|
---|
495 | },
|
---|
496 | /* l.srl $rD,$rA,$rB */
|
---|
497 | {
|
---|
498 | OPENRISC_INSN_L_SRL, "l-srl", "l.srl", 32,
|
---|
499 | { 0, { (1<<MACH_BASE) } }
|
---|
500 | },
|
---|
501 | /* l.srli $rD,$rA,${uimm-5} */
|
---|
502 | {
|
---|
503 | OPENRISC_INSN_L_SRLI, "l-srli", "l.srli", 32,
|
---|
504 | { 0, { (1<<MACH_BASE) } }
|
---|
505 | },
|
---|
506 | /* l.sra $rD,$rA,$rB */
|
---|
507 | {
|
---|
508 | OPENRISC_INSN_L_SRA, "l-sra", "l.sra", 32,
|
---|
509 | { 0, { (1<<MACH_BASE) } }
|
---|
510 | },
|
---|
511 | /* l.srai $rD,$rA,${uimm-5} */
|
---|
512 | {
|
---|
513 | OPENRISC_INSN_L_SRAI, "l-srai", "l.srai", 32,
|
---|
514 | { 0, { (1<<MACH_BASE) } }
|
---|
515 | },
|
---|
516 | /* l.ror $rD,$rA,$rB */
|
---|
517 | {
|
---|
518 | OPENRISC_INSN_L_ROR, "l-ror", "l.ror", 32,
|
---|
519 | { 0, { (1<<MACH_BASE) } }
|
---|
520 | },
|
---|
521 | /* l.rori $rD,$rA,${uimm-5} */
|
---|
522 | {
|
---|
523 | OPENRISC_INSN_L_RORI, "l-rori", "l.rori", 32,
|
---|
524 | { 0, { (1<<MACH_BASE) } }
|
---|
525 | },
|
---|
526 | /* l.add $rD,$rA,$rB */
|
---|
527 | {
|
---|
528 | OPENRISC_INSN_L_ADD, "l-add", "l.add", 32,
|
---|
529 | { 0, { (1<<MACH_BASE) } }
|
---|
530 | },
|
---|
531 | /* l.addi $rD,$rA,$lo16 */
|
---|
532 | {
|
---|
533 | OPENRISC_INSN_L_ADDI, "l-addi", "l.addi", 32,
|
---|
534 | { 0, { (1<<MACH_BASE) } }
|
---|
535 | },
|
---|
536 | /* l.sub $rD,$rA,$rB */
|
---|
537 | {
|
---|
538 | OPENRISC_INSN_L_SUB, "l-sub", "l.sub", 32,
|
---|
539 | { 0, { (1<<MACH_BASE) } }
|
---|
540 | },
|
---|
541 | /* l.subi $rD,$rA,$lo16 */
|
---|
542 | {
|
---|
543 | OPENRISC_INSN_L_SUBI, "l-subi", "l.subi", 32,
|
---|
544 | { 0, { (1<<MACH_BASE) } }
|
---|
545 | },
|
---|
546 | /* l.and $rD,$rA,$rB */
|
---|
547 | {
|
---|
548 | OPENRISC_INSN_L_AND, "l-and", "l.and", 32,
|
---|
549 | { 0, { (1<<MACH_BASE) } }
|
---|
550 | },
|
---|
551 | /* l.andi $rD,$rA,$lo16 */
|
---|
552 | {
|
---|
553 | OPENRISC_INSN_L_ANDI, "l-andi", "l.andi", 32,
|
---|
554 | { 0, { (1<<MACH_BASE) } }
|
---|
555 | },
|
---|
556 | /* l.or $rD,$rA,$rB */
|
---|
557 | {
|
---|
558 | OPENRISC_INSN_L_OR, "l-or", "l.or", 32,
|
---|
559 | { 0, { (1<<MACH_BASE) } }
|
---|
560 | },
|
---|
561 | /* l.ori $rD,$rA,$lo16 */
|
---|
562 | {
|
---|
563 | OPENRISC_INSN_L_ORI, "l-ori", "l.ori", 32,
|
---|
564 | { 0, { (1<<MACH_BASE) } }
|
---|
565 | },
|
---|
566 | /* l.xor $rD,$rA,$rB */
|
---|
567 | {
|
---|
568 | OPENRISC_INSN_L_XOR, "l-xor", "l.xor", 32,
|
---|
569 | { 0, { (1<<MACH_BASE) } }
|
---|
570 | },
|
---|
571 | /* l.xori $rD,$rA,$lo16 */
|
---|
572 | {
|
---|
573 | OPENRISC_INSN_L_XORI, "l-xori", "l.xori", 32,
|
---|
574 | { 0, { (1<<MACH_BASE) } }
|
---|
575 | },
|
---|
576 | /* l.mul $rD,$rA,$rB */
|
---|
577 | {
|
---|
578 | OPENRISC_INSN_L_MUL, "l-mul", "l.mul", 32,
|
---|
579 | { 0, { (1<<MACH_BASE) } }
|
---|
580 | },
|
---|
581 | /* l.muli $rD,$rA,$lo16 */
|
---|
582 | {
|
---|
583 | OPENRISC_INSN_L_MULI, "l-muli", "l.muli", 32,
|
---|
584 | { 0, { (1<<MACH_BASE) } }
|
---|
585 | },
|
---|
586 | /* l.div $rD,$rA,$rB */
|
---|
587 | {
|
---|
588 | OPENRISC_INSN_L_DIV, "l-div", "l.div", 32,
|
---|
589 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
590 | },
|
---|
591 | /* l.divu $rD,$rA,$rB */
|
---|
592 | {
|
---|
593 | OPENRISC_INSN_L_DIVU, "l-divu", "l.divu", 32,
|
---|
594 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
595 | },
|
---|
596 | /* l.sfgts $rA,$rB */
|
---|
597 | {
|
---|
598 | OPENRISC_INSN_L_SFGTS, "l-sfgts", "l.sfgts", 32,
|
---|
599 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
600 | },
|
---|
601 | /* l.sfgtu $rA,$rB */
|
---|
602 | {
|
---|
603 | OPENRISC_INSN_L_SFGTU, "l-sfgtu", "l.sfgtu", 32,
|
---|
604 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
605 | },
|
---|
606 | /* l.sfges $rA,$rB */
|
---|
607 | {
|
---|
608 | OPENRISC_INSN_L_SFGES, "l-sfges", "l.sfges", 32,
|
---|
609 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
610 | },
|
---|
611 | /* l.sfgeu $rA,$rB */
|
---|
612 | {
|
---|
613 | OPENRISC_INSN_L_SFGEU, "l-sfgeu", "l.sfgeu", 32,
|
---|
614 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
615 | },
|
---|
616 | /* l.sflts $rA,$rB */
|
---|
617 | {
|
---|
618 | OPENRISC_INSN_L_SFLTS, "l-sflts", "l.sflts", 32,
|
---|
619 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
620 | },
|
---|
621 | /* l.sfltu $rA,$rB */
|
---|
622 | {
|
---|
623 | OPENRISC_INSN_L_SFLTU, "l-sfltu", "l.sfltu", 32,
|
---|
624 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
625 | },
|
---|
626 | /* l.sfles $rA,$rB */
|
---|
627 | {
|
---|
628 | OPENRISC_INSN_L_SFLES, "l-sfles", "l.sfles", 32,
|
---|
629 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
630 | },
|
---|
631 | /* l.sfleu $rA,$rB */
|
---|
632 | {
|
---|
633 | OPENRISC_INSN_L_SFLEU, "l-sfleu", "l.sfleu", 32,
|
---|
634 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
635 | },
|
---|
636 | /* l.sfgtsi $rA,${simm-16} */
|
---|
637 | {
|
---|
638 | OPENRISC_INSN_L_SFGTSI, "l-sfgtsi", "l.sfgtsi", 32,
|
---|
639 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
640 | },
|
---|
641 | /* l.sfgtui $rA,${uimm-16} */
|
---|
642 | {
|
---|
643 | OPENRISC_INSN_L_SFGTUI, "l-sfgtui", "l.sfgtui", 32,
|
---|
644 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
645 | },
|
---|
646 | /* l.sfgesi $rA,${simm-16} */
|
---|
647 | {
|
---|
648 | OPENRISC_INSN_L_SFGESI, "l-sfgesi", "l.sfgesi", 32,
|
---|
649 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
650 | },
|
---|
651 | /* l.sfgeui $rA,${uimm-16} */
|
---|
652 | {
|
---|
653 | OPENRISC_INSN_L_SFGEUI, "l-sfgeui", "l.sfgeui", 32,
|
---|
654 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
655 | },
|
---|
656 | /* l.sfltsi $rA,${simm-16} */
|
---|
657 | {
|
---|
658 | OPENRISC_INSN_L_SFLTSI, "l-sfltsi", "l.sfltsi", 32,
|
---|
659 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
660 | },
|
---|
661 | /* l.sfltui $rA,${uimm-16} */
|
---|
662 | {
|
---|
663 | OPENRISC_INSN_L_SFLTUI, "l-sfltui", "l.sfltui", 32,
|
---|
664 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
665 | },
|
---|
666 | /* l.sflesi $rA,${simm-16} */
|
---|
667 | {
|
---|
668 | OPENRISC_INSN_L_SFLESI, "l-sflesi", "l.sflesi", 32,
|
---|
669 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
670 | },
|
---|
671 | /* l.sfleui $rA,${uimm-16} */
|
---|
672 | {
|
---|
673 | OPENRISC_INSN_L_SFLEUI, "l-sfleui", "l.sfleui", 32,
|
---|
674 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
675 | },
|
---|
676 | /* l.sfeq $rA,$rB */
|
---|
677 | {
|
---|
678 | OPENRISC_INSN_L_SFEQ, "l-sfeq", "l.sfeq", 32,
|
---|
679 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
680 | },
|
---|
681 | /* l.sfeqi $rA,${simm-16} */
|
---|
682 | {
|
---|
683 | OPENRISC_INSN_L_SFEQI, "l-sfeqi", "l.sfeqi", 32,
|
---|
684 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
685 | },
|
---|
686 | /* l.sfne $rA,$rB */
|
---|
687 | {
|
---|
688 | OPENRISC_INSN_L_SFNE, "l-sfne", "l.sfne", 32,
|
---|
689 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
690 | },
|
---|
691 | /* l.sfnei $rA,${simm-16} */
|
---|
692 | {
|
---|
693 | OPENRISC_INSN_L_SFNEI, "l-sfnei", "l.sfnei", 32,
|
---|
694 | { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
|
---|
695 | },
|
---|
696 | };
|
---|
697 |
|
---|
698 | #undef OP
|
---|
699 | #undef A
|
---|
700 |
|
---|
701 | /* Initialize anything needed to be done once, before any cpu_open call. */
|
---|
702 | static void init_tables PARAMS ((void));
|
---|
703 |
|
---|
704 | static void
|
---|
705 | init_tables ()
|
---|
706 | {
|
---|
707 | }
|
---|
708 |
|
---|
709 | static const CGEN_MACH * lookup_mach_via_bfd_name
|
---|
710 | PARAMS ((const CGEN_MACH *, const char *));
|
---|
711 | static void build_hw_table PARAMS ((CGEN_CPU_TABLE *));
|
---|
712 | static void build_ifield_table PARAMS ((CGEN_CPU_TABLE *));
|
---|
713 | static void build_operand_table PARAMS ((CGEN_CPU_TABLE *));
|
---|
714 | static void build_insn_table PARAMS ((CGEN_CPU_TABLE *));
|
---|
715 | static void openrisc_cgen_rebuild_tables PARAMS ((CGEN_CPU_TABLE *));
|
---|
716 |
|
---|
717 | /* Subroutine of openrisc_cgen_cpu_open to look up a mach via its bfd name. */
|
---|
718 |
|
---|
719 | static const CGEN_MACH *
|
---|
720 | lookup_mach_via_bfd_name (table, name)
|
---|
721 | const CGEN_MACH *table;
|
---|
722 | const char *name;
|
---|
723 | {
|
---|
724 | while (table->name)
|
---|
725 | {
|
---|
726 | if (strcmp (name, table->bfd_name) == 0)
|
---|
727 | return table;
|
---|
728 | ++table;
|
---|
729 | }
|
---|
730 | abort ();
|
---|
731 | }
|
---|
732 |
|
---|
733 | /* Subroutine of openrisc_cgen_cpu_open to build the hardware table. */
|
---|
734 |
|
---|
735 | static void
|
---|
736 | build_hw_table (cd)
|
---|
737 | CGEN_CPU_TABLE *cd;
|
---|
738 | {
|
---|
739 | int i;
|
---|
740 | int machs = cd->machs;
|
---|
741 | const CGEN_HW_ENTRY *init = & openrisc_cgen_hw_table[0];
|
---|
742 | /* MAX_HW is only an upper bound on the number of selected entries.
|
---|
743 | However each entry is indexed by it's enum so there can be holes in
|
---|
744 | the table. */
|
---|
745 | const CGEN_HW_ENTRY **selected =
|
---|
746 | (const CGEN_HW_ENTRY **) xmalloc (MAX_HW * sizeof (CGEN_HW_ENTRY *));
|
---|
747 |
|
---|
748 | cd->hw_table.init_entries = init;
|
---|
749 | cd->hw_table.entry_size = sizeof (CGEN_HW_ENTRY);
|
---|
750 | memset (selected, 0, MAX_HW * sizeof (CGEN_HW_ENTRY *));
|
---|
751 | /* ??? For now we just use machs to determine which ones we want. */
|
---|
752 | for (i = 0; init[i].name != NULL; ++i)
|
---|
753 | if (CGEN_HW_ATTR_VALUE (&init[i], CGEN_HW_MACH)
|
---|
754 | & machs)
|
---|
755 | selected[init[i].type] = &init[i];
|
---|
756 | cd->hw_table.entries = selected;
|
---|
757 | cd->hw_table.num_entries = MAX_HW;
|
---|
758 | }
|
---|
759 |
|
---|
760 | /* Subroutine of openrisc_cgen_cpu_open to build the hardware table. */
|
---|
761 |
|
---|
762 | static void
|
---|
763 | build_ifield_table (cd)
|
---|
764 | CGEN_CPU_TABLE *cd;
|
---|
765 | {
|
---|
766 | cd->ifld_table = & openrisc_cgen_ifld_table[0];
|
---|
767 | }
|
---|
768 |
|
---|
769 | /* Subroutine of openrisc_cgen_cpu_open to build the hardware table. */
|
---|
770 |
|
---|
771 | static void
|
---|
772 | build_operand_table (cd)
|
---|
773 | CGEN_CPU_TABLE *cd;
|
---|
774 | {
|
---|
775 | int i;
|
---|
776 | int machs = cd->machs;
|
---|
777 | const CGEN_OPERAND *init = & openrisc_cgen_operand_table[0];
|
---|
778 | /* MAX_OPERANDS is only an upper bound on the number of selected entries.
|
---|
779 | However each entry is indexed by it's enum so there can be holes in
|
---|
780 | the table. */
|
---|
781 | const CGEN_OPERAND **selected =
|
---|
782 | (const CGEN_OPERAND **) xmalloc (MAX_OPERANDS * sizeof (CGEN_OPERAND *));
|
---|
783 |
|
---|
784 | cd->operand_table.init_entries = init;
|
---|
785 | cd->operand_table.entry_size = sizeof (CGEN_OPERAND);
|
---|
786 | memset (selected, 0, MAX_OPERANDS * sizeof (CGEN_OPERAND *));
|
---|
787 | /* ??? For now we just use mach to determine which ones we want. */
|
---|
788 | for (i = 0; init[i].name != NULL; ++i)
|
---|
789 | if (CGEN_OPERAND_ATTR_VALUE (&init[i], CGEN_OPERAND_MACH)
|
---|
790 | & machs)
|
---|
791 | selected[init[i].type] = &init[i];
|
---|
792 | cd->operand_table.entries = selected;
|
---|
793 | cd->operand_table.num_entries = MAX_OPERANDS;
|
---|
794 | }
|
---|
795 |
|
---|
796 | /* Subroutine of openrisc_cgen_cpu_open to build the hardware table.
|
---|
797 | ??? This could leave out insns not supported by the specified mach/isa,
|
---|
798 | but that would cause errors like "foo only supported by bar" to become
|
---|
799 | "unknown insn", so for now we include all insns and require the app to
|
---|
800 | do the checking later.
|
---|
801 | ??? On the other hand, parsing of such insns may require their hardware or
|
---|
802 | operand elements to be in the table [which they mightn't be]. */
|
---|
803 |
|
---|
804 | static void
|
---|
805 | build_insn_table (cd)
|
---|
806 | CGEN_CPU_TABLE *cd;
|
---|
807 | {
|
---|
808 | int i;
|
---|
809 | const CGEN_IBASE *ib = & openrisc_cgen_insn_table[0];
|
---|
810 | CGEN_INSN *insns = (CGEN_INSN *) xmalloc (MAX_INSNS * sizeof (CGEN_INSN));
|
---|
811 |
|
---|
812 | memset (insns, 0, MAX_INSNS * sizeof (CGEN_INSN));
|
---|
813 | for (i = 0; i < MAX_INSNS; ++i)
|
---|
814 | insns[i].base = &ib[i];
|
---|
815 | cd->insn_table.init_entries = insns;
|
---|
816 | cd->insn_table.entry_size = sizeof (CGEN_IBASE);
|
---|
817 | cd->insn_table.num_init_entries = MAX_INSNS;
|
---|
818 | }
|
---|
819 |
|
---|
820 | /* Subroutine of openrisc_cgen_cpu_open to rebuild the tables. */
|
---|
821 |
|
---|
822 | static void
|
---|
823 | openrisc_cgen_rebuild_tables (cd)
|
---|
824 | CGEN_CPU_TABLE *cd;
|
---|
825 | {
|
---|
826 | int i;
|
---|
827 | unsigned int isas = cd->isas;
|
---|
828 | unsigned int machs = cd->machs;
|
---|
829 |
|
---|
830 | cd->int_insn_p = CGEN_INT_INSN_P;
|
---|
831 |
|
---|
832 | /* Data derived from the isa spec. */
|
---|
833 | #define UNSET (CGEN_SIZE_UNKNOWN + 1)
|
---|
834 | cd->default_insn_bitsize = UNSET;
|
---|
835 | cd->base_insn_bitsize = UNSET;
|
---|
836 | cd->min_insn_bitsize = 65535; /* some ridiculously big number */
|
---|
837 | cd->max_insn_bitsize = 0;
|
---|
838 | for (i = 0; i < MAX_ISAS; ++i)
|
---|
839 | if (((1 << i) & isas) != 0)
|
---|
840 | {
|
---|
841 | const CGEN_ISA *isa = & openrisc_cgen_isa_table[i];
|
---|
842 |
|
---|
843 | /* Default insn sizes of all selected isas must be
|
---|
844 | equal or we set the result to 0, meaning "unknown". */
|
---|
845 | if (cd->default_insn_bitsize == UNSET)
|
---|
846 | cd->default_insn_bitsize = isa->default_insn_bitsize;
|
---|
847 | else if (isa->default_insn_bitsize == cd->default_insn_bitsize)
|
---|
848 | ; /* this is ok */
|
---|
849 | else
|
---|
850 | cd->default_insn_bitsize = CGEN_SIZE_UNKNOWN;
|
---|
851 |
|
---|
852 | /* Base insn sizes of all selected isas must be equal
|
---|
853 | or we set the result to 0, meaning "unknown". */
|
---|
854 | if (cd->base_insn_bitsize == UNSET)
|
---|
855 | cd->base_insn_bitsize = isa->base_insn_bitsize;
|
---|
856 | else if (isa->base_insn_bitsize == cd->base_insn_bitsize)
|
---|
857 | ; /* this is ok */
|
---|
858 | else
|
---|
859 | cd->base_insn_bitsize = CGEN_SIZE_UNKNOWN;
|
---|
860 |
|
---|
861 | /* Set min,max insn sizes. */
|
---|
862 | if (isa->min_insn_bitsize < cd->min_insn_bitsize)
|
---|
863 | cd->min_insn_bitsize = isa->min_insn_bitsize;
|
---|
864 | if (isa->max_insn_bitsize > cd->max_insn_bitsize)
|
---|
865 | cd->max_insn_bitsize = isa->max_insn_bitsize;
|
---|
866 | }
|
---|
867 |
|
---|
868 | /* Data derived from the mach spec. */
|
---|
869 | for (i = 0; i < MAX_MACHS; ++i)
|
---|
870 | if (((1 << i) & machs) != 0)
|
---|
871 | {
|
---|
872 | const CGEN_MACH *mach = & openrisc_cgen_mach_table[i];
|
---|
873 |
|
---|
874 | if (mach->insn_chunk_bitsize != 0)
|
---|
875 | {
|
---|
876 | if (cd->insn_chunk_bitsize != 0 && cd->insn_chunk_bitsize != mach->insn_chunk_bitsize)
|
---|
877 | {
|
---|
878 | fprintf (stderr, "openrisc_cgen_rebuild_tables: conflicting insn-chunk-bitsize values: `%d' vs. `%d'\n",
|
---|
879 | cd->insn_chunk_bitsize, mach->insn_chunk_bitsize);
|
---|
880 | abort ();
|
---|
881 | }
|
---|
882 |
|
---|
883 | cd->insn_chunk_bitsize = mach->insn_chunk_bitsize;
|
---|
884 | }
|
---|
885 | }
|
---|
886 |
|
---|
887 | /* Determine which hw elements are used by MACH. */
|
---|
888 | build_hw_table (cd);
|
---|
889 |
|
---|
890 | /* Build the ifield table. */
|
---|
891 | build_ifield_table (cd);
|
---|
892 |
|
---|
893 | /* Determine which operands are used by MACH/ISA. */
|
---|
894 | build_operand_table (cd);
|
---|
895 |
|
---|
896 | /* Build the instruction table. */
|
---|
897 | build_insn_table (cd);
|
---|
898 | }
|
---|
899 |
|
---|
900 | /* Initialize a cpu table and return a descriptor.
|
---|
901 | It's much like opening a file, and must be the first function called.
|
---|
902 | The arguments are a set of (type/value) pairs, terminated with
|
---|
903 | CGEN_CPU_OPEN_END.
|
---|
904 |
|
---|
905 | Currently supported values:
|
---|
906 | CGEN_CPU_OPEN_ISAS: bitmap of values in enum isa_attr
|
---|
907 | CGEN_CPU_OPEN_MACHS: bitmap of values in enum mach_attr
|
---|
908 | CGEN_CPU_OPEN_BFDMACH: specify 1 mach using bfd name
|
---|
909 | CGEN_CPU_OPEN_ENDIAN: specify endian choice
|
---|
910 | CGEN_CPU_OPEN_END: terminates arguments
|
---|
911 |
|
---|
912 | ??? Simultaneous multiple isas might not make sense, but it's not (yet)
|
---|
913 | precluded.
|
---|
914 |
|
---|
915 | ??? We only support ISO C stdargs here, not K&R.
|
---|
916 | Laziness, plus experiment to see if anything requires K&R - eventually
|
---|
917 | K&R will no longer be supported - e.g. GDB is currently trying this. */
|
---|
918 |
|
---|
919 | CGEN_CPU_DESC
|
---|
920 | openrisc_cgen_cpu_open (enum cgen_cpu_open_arg arg_type, ...)
|
---|
921 | {
|
---|
922 | CGEN_CPU_TABLE *cd = (CGEN_CPU_TABLE *) xmalloc (sizeof (CGEN_CPU_TABLE));
|
---|
923 | static int init_p;
|
---|
924 | unsigned int isas = 0; /* 0 = "unspecified" */
|
---|
925 | unsigned int machs = 0; /* 0 = "unspecified" */
|
---|
926 | enum cgen_endian endian = CGEN_ENDIAN_UNKNOWN;
|
---|
927 | va_list ap;
|
---|
928 |
|
---|
929 | if (! init_p)
|
---|
930 | {
|
---|
931 | init_tables ();
|
---|
932 | init_p = 1;
|
---|
933 | }
|
---|
934 |
|
---|
935 | memset (cd, 0, sizeof (*cd));
|
---|
936 |
|
---|
937 | va_start (ap, arg_type);
|
---|
938 | while (arg_type != CGEN_CPU_OPEN_END)
|
---|
939 | {
|
---|
940 | switch (arg_type)
|
---|
941 | {
|
---|
942 | case CGEN_CPU_OPEN_ISAS :
|
---|
943 | isas = va_arg (ap, unsigned int);
|
---|
944 | break;
|
---|
945 | case CGEN_CPU_OPEN_MACHS :
|
---|
946 | machs = va_arg (ap, unsigned int);
|
---|
947 | break;
|
---|
948 | case CGEN_CPU_OPEN_BFDMACH :
|
---|
949 | {
|
---|
950 | const char *name = va_arg (ap, const char *);
|
---|
951 | const CGEN_MACH *mach =
|
---|
952 | lookup_mach_via_bfd_name (openrisc_cgen_mach_table, name);
|
---|
953 |
|
---|
954 | machs |= 1 << mach->num;
|
---|
955 | break;
|
---|
956 | }
|
---|
957 | case CGEN_CPU_OPEN_ENDIAN :
|
---|
958 | endian = va_arg (ap, enum cgen_endian);
|
---|
959 | break;
|
---|
960 | default :
|
---|
961 | fprintf (stderr, "openrisc_cgen_cpu_open: unsupported argument `%d'\n",
|
---|
962 | arg_type);
|
---|
963 | abort (); /* ??? return NULL? */
|
---|
964 | }
|
---|
965 | arg_type = va_arg (ap, enum cgen_cpu_open_arg);
|
---|
966 | }
|
---|
967 | va_end (ap);
|
---|
968 |
|
---|
969 | /* mach unspecified means "all" */
|
---|
970 | if (machs == 0)
|
---|
971 | machs = (1 << MAX_MACHS) - 1;
|
---|
972 | /* base mach is always selected */
|
---|
973 | machs |= 1;
|
---|
974 | /* isa unspecified means "all" */
|
---|
975 | if (isas == 0)
|
---|
976 | isas = (1 << MAX_ISAS) - 1;
|
---|
977 | if (endian == CGEN_ENDIAN_UNKNOWN)
|
---|
978 | {
|
---|
979 | /* ??? If target has only one, could have a default. */
|
---|
980 | fprintf (stderr, "openrisc_cgen_cpu_open: no endianness specified\n");
|
---|
981 | abort ();
|
---|
982 | }
|
---|
983 |
|
---|
984 | cd->isas = isas;
|
---|
985 | cd->machs = machs;
|
---|
986 | cd->endian = endian;
|
---|
987 | /* FIXME: for the sparc case we can determine insn-endianness statically.
|
---|
988 | The worry here is where both data and insn endian can be independently
|
---|
989 | chosen, in which case this function will need another argument.
|
---|
990 | Actually, will want to allow for more arguments in the future anyway. */
|
---|
991 | cd->insn_endian = endian;
|
---|
992 |
|
---|
993 | /* Table (re)builder. */
|
---|
994 | cd->rebuild_tables = openrisc_cgen_rebuild_tables;
|
---|
995 | openrisc_cgen_rebuild_tables (cd);
|
---|
996 |
|
---|
997 | /* Default to not allowing signed overflow. */
|
---|
998 | cd->signed_overflow_ok_p = 0;
|
---|
999 |
|
---|
1000 | return (CGEN_CPU_DESC) cd;
|
---|
1001 | }
|
---|
1002 |
|
---|
1003 | /* Cover fn to openrisc_cgen_cpu_open to handle the simple case of 1 isa, 1 mach.
|
---|
1004 | MACH_NAME is the bfd name of the mach. */
|
---|
1005 |
|
---|
1006 | CGEN_CPU_DESC
|
---|
1007 | openrisc_cgen_cpu_open_1 (mach_name, endian)
|
---|
1008 | const char *mach_name;
|
---|
1009 | enum cgen_endian endian;
|
---|
1010 | {
|
---|
1011 | return openrisc_cgen_cpu_open (CGEN_CPU_OPEN_BFDMACH, mach_name,
|
---|
1012 | CGEN_CPU_OPEN_ENDIAN, endian,
|
---|
1013 | CGEN_CPU_OPEN_END);
|
---|
1014 | }
|
---|
1015 |
|
---|
1016 | /* Close a cpu table.
|
---|
1017 | ??? This can live in a machine independent file, but there's currently
|
---|
1018 | no place to put this file (there's no libcgen). libopcodes is the wrong
|
---|
1019 | place as some simulator ports use this but they don't use libopcodes. */
|
---|
1020 |
|
---|
1021 | void
|
---|
1022 | openrisc_cgen_cpu_close (cd)
|
---|
1023 | CGEN_CPU_DESC cd;
|
---|
1024 | {
|
---|
1025 | unsigned int i;
|
---|
1026 | const CGEN_INSN *insns;
|
---|
1027 |
|
---|
1028 | if (cd->macro_insn_table.init_entries)
|
---|
1029 | {
|
---|
1030 | insns = cd->macro_insn_table.init_entries;
|
---|
1031 | for (i = 0; i < cd->macro_insn_table.num_init_entries; ++i, ++insns)
|
---|
1032 | {
|
---|
1033 | if (CGEN_INSN_RX ((insns)))
|
---|
1034 | regfree (CGEN_INSN_RX (insns));
|
---|
1035 | }
|
---|
1036 | }
|
---|
1037 |
|
---|
1038 | if (cd->insn_table.init_entries)
|
---|
1039 | {
|
---|
1040 | insns = cd->insn_table.init_entries;
|
---|
1041 | for (i = 0; i < cd->insn_table.num_init_entries; ++i, ++insns)
|
---|
1042 | {
|
---|
1043 | if (CGEN_INSN_RX (insns))
|
---|
1044 | regfree (CGEN_INSN_RX (insns));
|
---|
1045 | }
|
---|
1046 | }
|
---|
1047 |
|
---|
1048 |
|
---|
1049 |
|
---|
1050 | if (cd->macro_insn_table.init_entries)
|
---|
1051 | free ((CGEN_INSN *) cd->macro_insn_table.init_entries);
|
---|
1052 |
|
---|
1053 | if (cd->insn_table.init_entries)
|
---|
1054 | free ((CGEN_INSN *) cd->insn_table.init_entries);
|
---|
1055 |
|
---|
1056 | if (cd->hw_table.entries)
|
---|
1057 | free ((CGEN_HW_ENTRY *) cd->hw_table.entries);
|
---|
1058 |
|
---|
1059 | if (cd->operand_table.entries)
|
---|
1060 | free ((CGEN_HW_ENTRY *) cd->operand_table.entries);
|
---|
1061 |
|
---|
1062 | free (cd);
|
---|
1063 | }
|
---|
1064 |
|
---|