Mercurial > repos > blastem
annotate m68k_core.c @ 720:15d9359fd771
Add some tests for hint timing and fix it properly this time.
author | Michael Pavone <pavone@retrodev.com> |
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date | Wed, 20 May 2015 22:27:51 -0700 |
parents | f9b80a78d9a6 |
children | a92ca6f0ed83 |
rev | line source |
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570
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Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
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1 /* |
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2 Copyright 2014 Michael Pavone |
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3 This file is part of BlastEm. |
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4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text. |
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5 */ |
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6 #include "m68k_core.h" |
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7 #include "m68k_internal.h" |
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8 #include "68kinst.h" |
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9 #include "backend.h" |
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10 #include "gen.h" |
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11 #include <stdio.h> |
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12 #include <stddef.h> |
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13 #include <stdlib.h> |
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14 #include <string.h> |
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15 |
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16 char disasm_buf[1024]; |
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17 |
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18 int8_t native_reg(m68k_op_info * op, m68k_options * opts) |
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19 { |
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20 if (op->addr_mode == MODE_REG) { |
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21 return opts->dregs[op->params.regs.pri]; |
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22 } |
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23 if (op->addr_mode == MODE_AREG) { |
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24 return opts->aregs[op->params.regs.pri]; |
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25 } |
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26 return -1; |
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27 } |
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28 |
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29 size_t dreg_offset(uint8_t reg) |
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30 { |
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31 return offsetof(m68k_context, dregs) + sizeof(uint32_t) * reg; |
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32 } |
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33 |
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34 size_t areg_offset(uint8_t reg) |
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35 { |
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36 return offsetof(m68k_context, aregs) + sizeof(uint32_t) * reg; |
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37 } |
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38 |
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39 //must be called with an m68k_op_info that uses a register |
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Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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40 size_t reg_offset(m68k_op_info *op) |
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41 { |
574
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42 return op->addr_mode == MODE_REG ? dreg_offset(op->params.regs.pri) : areg_offset(op->params.regs.pri); |
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43 } |
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Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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44 |
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45 void print_regs_exit(m68k_context * context) |
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46 { |
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47 printf("XNZVC\n%d%d%d%d%d\n", context->flags[0], context->flags[1], context->flags[2], context->flags[3], context->flags[4]); |
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48 for (int i = 0; i < 8; i++) { |
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49 printf("d%d: %X\n", i, context->dregs[i]); |
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50 } |
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51 for (int i = 0; i < 8; i++) { |
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52 printf("a%d: %X\n", i, context->aregs[i]); |
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53 } |
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54 exit(0); |
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55 } |
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56 |
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57 void m68k_read_size(m68k_options *opts, uint8_t size) |
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58 { |
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59 switch (size) |
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60 { |
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61 case OPSIZE_BYTE: |
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62 call(&opts->gen.code, opts->read_8); |
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63 break; |
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64 case OPSIZE_WORD: |
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65 call(&opts->gen.code, opts->read_16); |
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66 break; |
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67 case OPSIZE_LONG: |
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68 call(&opts->gen.code, opts->read_32); |
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69 break; |
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70 } |
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71 } |
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72 |
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73 void m68k_write_size(m68k_options *opts, uint8_t size) |
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74 { |
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75 switch (size) |
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76 { |
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77 case OPSIZE_BYTE: |
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78 call(&opts->gen.code, opts->write_8); |
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79 break; |
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80 case OPSIZE_WORD: |
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81 call(&opts->gen.code, opts->write_16); |
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82 break; |
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83 case OPSIZE_LONG: |
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84 call(&opts->gen.code, opts->write_32_highfirst); |
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85 break; |
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86 } |
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87 } |
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88 |
688
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89 void m68k_save_result(m68kinst * inst, m68k_options * opts) |
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90 { |
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91 code_info *code = &opts->gen.code; |
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92 if (inst->dst.addr_mode != MODE_REG && inst->dst.addr_mode != MODE_AREG && inst->dst.addr_mode != MODE_UNUSED) { |
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93 if (inst->dst.addr_mode == MODE_AREG_PREDEC && inst->src.addr_mode == MODE_AREG_PREDEC && inst->op != M68K_MOVE) { |
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94 areg_to_native(opts, inst->dst.params.regs.pri, opts->gen.scratch2); |
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95 } |
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96 switch (inst->extra.size) |
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97 { |
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98 case OPSIZE_BYTE: |
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99 call(code, opts->write_8); |
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100 break; |
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101 case OPSIZE_WORD: |
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102 call(code, opts->write_16); |
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103 break; |
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104 case OPSIZE_LONG: |
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105 call(code, opts->write_32_lowfirst); |
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106 break; |
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107 } |
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108 } |
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109 } |
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110 |
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111 void translate_m68k_lea_pea(m68k_options * opts, m68kinst * inst) |
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112 { |
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113 code_info *code = &opts->gen.code; |
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114 int8_t dst_reg = inst->op == M68K_PEA ? opts->gen.scratch1 : native_reg(&(inst->dst), opts); |
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115 switch(inst->src.addr_mode) |
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116 { |
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117 case MODE_AREG_INDIRECT: |
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118 cycles(&opts->gen, BUS); |
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119 if (dst_reg >= 0) { |
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120 areg_to_native(opts, inst->src.params.regs.pri, dst_reg); |
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121 } else { |
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122 if (opts->aregs[inst->src.params.regs.pri] >= 0) { |
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123 native_to_areg(opts, opts->aregs[inst->src.params.regs.pri], inst->dst.params.regs.pri); |
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124 } else { |
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125 areg_to_native(opts, inst->src.params.regs.pri, opts->gen.scratch1); |
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126 native_to_areg(opts, opts->gen.scratch1, inst->dst.params.regs.pri); |
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127 } |
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128 } |
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129 break; |
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130 case MODE_AREG_DISPLACE: |
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131 cycles(&opts->gen, 8); |
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132 calc_areg_displace(opts, &inst->src, dst_reg >= 0 ? dst_reg : opts->gen.scratch1); |
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133 if (dst_reg < 0) { |
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134 native_to_areg(opts, opts->gen.scratch1, inst->dst.params.regs.pri); |
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135 } |
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136 break; |
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137 case MODE_AREG_INDEX_DISP8: |
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138 cycles(&opts->gen, 12); |
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139 if (dst_reg < 0 || inst->dst.params.regs.pri == inst->src.params.regs.pri || inst->dst.params.regs.pri == (inst->src.params.regs.sec >> 1 & 0x7)) { |
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140 dst_reg = opts->gen.scratch1; |
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141 } |
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142 calc_areg_index_disp8(opts, &inst->src, dst_reg); |
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143 if (dst_reg == opts->gen.scratch1 && inst->op != M68K_PEA) { |
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144 native_to_areg(opts, opts->gen.scratch1, inst->dst.params.regs.pri); |
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145 } |
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146 break; |
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147 case MODE_PC_DISPLACE: |
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148 cycles(&opts->gen, 8); |
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149 if (inst->op == M68K_PEA) { |
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150 ldi_native(opts, inst->src.params.regs.displacement + inst->address+2, dst_reg); |
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151 } else { |
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152 ldi_areg(opts, inst->src.params.regs.displacement + inst->address+2, inst->dst.params.regs.pri); |
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153 } |
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154 break; |
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155 case MODE_PC_INDEX_DISP8: |
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156 cycles(&opts->gen, BUS*3); |
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157 if (dst_reg < 0 || inst->dst.params.regs.pri == (inst->src.params.regs.sec >> 1 & 0x7)) { |
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158 dst_reg = opts->gen.scratch1; |
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159 } |
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160 ldi_native(opts, inst->address+2, dst_reg); |
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161 calc_index_disp8(opts, &inst->src, dst_reg); |
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162 if (dst_reg == opts->gen.scratch1 && inst->op != M68K_PEA) { |
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163 native_to_areg(opts, opts->gen.scratch1, inst->dst.params.regs.pri); |
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164 } |
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165 break; |
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166 case MODE_ABSOLUTE: |
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167 case MODE_ABSOLUTE_SHORT: |
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168 cycles(&opts->gen, (inst->src.addr_mode == MODE_ABSOLUTE) ? BUS * 3 : BUS * 2); |
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169 if (inst->op == M68K_PEA) { |
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170 ldi_native(opts, inst->src.params.immed, dst_reg); |
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171 } else { |
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172 ldi_areg(opts, inst->src.params.immed, inst->dst.params.regs.pri); |
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173 } |
574
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174 break; |
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175 default: |
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176 m68k_disasm(inst, disasm_buf); |
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177 printf("%X: %s\naddress mode %d not implemented (lea src)\n", inst->address, disasm_buf, inst->src.addr_mode); |
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178 exit(1); |
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179 } |
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180 if (inst->op == M68K_PEA) { |
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181 subi_areg(opts, 4, 7); |
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182 areg_to_native(opts, 7, opts->gen.scratch2); |
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183 call(code, opts->write_32_lowfirst); |
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184 } |
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185 } |
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186 |
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187 void push_const(m68k_options *opts, int32_t value) |
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188 { |
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189 ldi_native(opts, value, opts->gen.scratch1); |
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190 subi_areg(opts, 4, 7); |
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191 areg_to_native(opts, 7, opts->gen.scratch2); |
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192 call(&opts->gen.code, opts->write_32_highfirst); |
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193 } |
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194 |
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195 void jump_m68k_abs(m68k_options * opts, uint32_t address) |
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196 { |
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197 code_info *code = &opts->gen.code; |
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198 code_ptr dest_addr = get_native_address(opts->gen.native_code_map, address); |
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199 if (!dest_addr) { |
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200 opts->gen.deferred = defer_address(opts->gen.deferred, address, code->cur + 1); |
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201 //dummy address to be replaced later, make sure it generates a 4-byte displacement |
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202 dest_addr = code->cur + 256; |
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203 } |
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204 jmp(code, dest_addr); |
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205 //this used to call opts->native_addr for destinations in RAM, but that shouldn't be needed |
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206 //since instruction retranslation patches the original native instruction location |
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207 } |
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208 |
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209 void translate_m68k_bsr(m68k_options * opts, m68kinst * inst) |
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210 { |
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211 code_info *code = &opts->gen.code; |
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212 int32_t disp = inst->src.params.immed; |
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213 uint32_t after = inst->address + (inst->variant == VAR_BYTE ? 2 : 4); |
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214 //TODO: Add cycles in the right place relative to pushing the return address on the stack |
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215 cycles(&opts->gen, 10); |
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216 push_const(opts, after); |
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217 jump_m68k_abs(opts, inst->address + 2 + disp); |
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218 } |
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219 |
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220 void translate_m68k_jmp_jsr(m68k_options * opts, m68kinst * inst) |
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221 { |
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222 uint8_t is_jsr = inst->op == M68K_JSR; |
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223 code_info *code = &opts->gen.code; |
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224 code_ptr dest_addr; |
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225 uint8_t sec_reg; |
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226 uint32_t after; |
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227 uint32_t m68k_addr; |
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228 switch(inst->src.addr_mode) |
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229 { |
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230 case MODE_AREG_INDIRECT: |
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231 cycles(&opts->gen, BUS*2); |
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232 if (is_jsr) { |
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233 push_const(opts, inst->address+2); |
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234 } |
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235 areg_to_native(opts, inst->src.params.regs.pri, opts->gen.scratch1); |
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236 call(code, opts->native_addr); |
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237 jmp_r(code, opts->gen.scratch1); |
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238 break; |
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239 case MODE_AREG_DISPLACE: |
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240 cycles(&opts->gen, BUS*2); |
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241 if (is_jsr) { |
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242 push_const(opts, inst->address+4); |
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243 } |
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244 calc_areg_displace(opts, &inst->src, opts->gen.scratch1); |
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245 call(code, opts->native_addr); |
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246 jmp_r(code, opts->gen.scratch1); |
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247 break; |
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248 case MODE_AREG_INDEX_DISP8: |
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249 cycles(&opts->gen, BUS*3);//TODO: CHeck that this is correct |
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250 if (is_jsr) { |
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251 push_const(opts, inst->address+4); |
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252 } |
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253 calc_areg_index_disp8(opts, &inst->src, opts->gen.scratch1); |
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254 call(code, opts->native_addr); |
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255 jmp_r(code, opts->gen.scratch1); |
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256 break; |
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257 case MODE_PC_DISPLACE: |
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258 //TODO: Add cycles in the right place relative to pushing the return address on the stack |
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259 cycles(&opts->gen, 10); |
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260 if (is_jsr) { |
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261 push_const(opts, inst->address+4); |
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262 } |
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263 jump_m68k_abs(opts, inst->src.params.regs.displacement + inst->address + 2); |
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264 break; |
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265 case MODE_PC_INDEX_DISP8: |
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266 cycles(&opts->gen, BUS*3);//TODO: CHeck that this is correct |
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267 if (is_jsr) { |
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268 push_const(opts, inst->address+4); |
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269 } |
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270 ldi_native(opts, inst->address+2, opts->gen.scratch1); |
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271 calc_index_disp8(opts, &inst->src, opts->gen.scratch1); |
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272 call(code, opts->native_addr); |
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273 jmp_r(code, opts->gen.scratch1); |
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274 break; |
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275 case MODE_ABSOLUTE: |
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276 case MODE_ABSOLUTE_SHORT: |
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277 //TODO: Add cycles in the right place relative to pushing the return address on the stack |
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278 cycles(&opts->gen, inst->src.addr_mode == MODE_ABSOLUTE ? 12 : 10); |
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279 if (is_jsr) { |
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280 push_const(opts, inst->address + (inst->src.addr_mode == MODE_ABSOLUTE ? 6 : 4)); |
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281 } |
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282 jump_m68k_abs(opts, inst->src.params.immed); |
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283 break; |
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284 default: |
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285 m68k_disasm(inst, disasm_buf); |
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286 printf("%s\naddress mode %d not yet supported (%s)\n", disasm_buf, inst->src.addr_mode, is_jsr ? "jsr" : "jmp"); |
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287 exit(1); |
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288 } |
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289 } |
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290 |
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291 void translate_m68k_unlk(m68k_options * opts, m68kinst * inst) |
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292 { |
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293 cycles(&opts->gen, BUS); |
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294 areg_to_native(opts, inst->dst.params.regs.pri, opts->aregs[7]); |
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295 areg_to_native(opts, 7, opts->gen.scratch1); |
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296 call(&opts->gen.code, opts->read_32); |
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297 native_to_areg(opts, opts->gen.scratch1, inst->dst.params.regs.pri); |
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298 addi_areg(opts, 4, 7); |
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299 } |
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300 |
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301 void translate_m68k_link(m68k_options * opts, m68kinst * inst) |
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302 { |
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303 //compensate for displacement word |
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304 cycles(&opts->gen, BUS); |
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305 subi_areg(opts, 4, 7); |
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306 areg_to_native(opts, 7, opts->gen.scratch2); |
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307 areg_to_native(opts, inst->src.params.regs.pri, opts->gen.scratch1); |
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308 call(&opts->gen.code, opts->write_32_highfirst); |
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309 native_to_areg(opts, opts->aregs[7], inst->src.params.regs.pri); |
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310 addi_areg(opts, inst->dst.params.immed, 7); |
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311 //prefetch |
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312 cycles(&opts->gen, BUS); |
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313 } |
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314 |
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315 void translate_m68k_rts(m68k_options * opts, m68kinst * inst) |
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316 { |
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317 code_info *code = &opts->gen.code; |
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318 //TODO: Add cycles |
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319 areg_to_native(opts, 7, opts->gen.scratch1); |
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320 addi_areg(opts, 4, 7); |
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321 call(code, opts->read_32); |
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322 call(code, opts->native_addr); |
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323 jmp_r(code, opts->gen.scratch1); |
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324 } |
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325 |
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326 void translate_m68k_rtr(m68k_options *opts, m68kinst * inst) |
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327 { |
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328 code_info *code = &opts->gen.code; |
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329 //Read saved CCR |
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330 areg_to_native(opts, 7, opts->gen.scratch1); |
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331 call(code, opts->read_16); |
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332 addi_areg(opts, 2, 7); |
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333 call(code, opts->set_ccr); |
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334 //Read saved PC |
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335 areg_to_native(opts, 7, opts->gen.scratch1); |
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336 call(code, opts->read_32); |
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337 addi_areg(opts, 4, 7); |
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338 //Get native address and jump to it |
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339 call(code, opts->native_addr); |
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340 jmp_r(code, opts->gen.scratch1); |
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341 } |
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342 |
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343 void translate_m68k_trap(m68k_options *opts, m68kinst *inst) |
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344 { |
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345 code_info *code = &opts->gen.code; |
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346 ldi_native(opts, inst->src.params.immed + VECTOR_TRAP_0, opts->gen.scratch2); |
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347 ldi_native(opts, inst->address+2, opts->gen.scratch1); |
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348 jmp(code, opts->trap); |
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349 } |
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350 |
582
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351 void translate_m68k_move_usp(m68k_options *opts, m68kinst *inst) |
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352 { |
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353 cycles(&opts->gen, BUS); |
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354 int8_t reg; |
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355 if (inst->src.addr_mode == MODE_UNUSED) { |
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356 reg = native_reg(&inst->dst, opts); |
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357 if (reg < 0) { |
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358 reg = opts->gen.scratch1; |
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359 } |
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360 areg_to_native(opts, 8, reg); |
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361 if (reg == opts->gen.scratch1) { |
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362 native_to_areg(opts, opts->gen.scratch1, inst->dst.params.regs.pri); |
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363 } |
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364 } else { |
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365 reg = native_reg(&inst->src, opts); |
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366 if (reg < 0) { |
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367 reg = opts->gen.scratch1; |
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|
368 areg_to_native(opts, inst->src.params.regs.pri, reg); |
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369 } |
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370 native_to_areg(opts, reg, 8); |
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371 } |
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372 } |
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|
373 |
588
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|
374 void translate_m68k_movem(m68k_options * opts, m68kinst * inst) |
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|
375 { |
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|
376 code_info *code = &opts->gen.code; |
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Move translate_m68k_movem to m68k_core.c
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|
377 int8_t bit,reg,sec_reg; |
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Move translate_m68k_movem to m68k_core.c
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|
378 uint8_t early_cycles; |
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Move translate_m68k_movem to m68k_core.c
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|
379 if(inst->src.addr_mode == MODE_REG) { |
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|
380 //reg to mem |
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|
381 early_cycles = 8; |
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Move translate_m68k_movem to m68k_core.c
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|
382 int8_t dir; |
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|
383 switch (inst->dst.addr_mode) |
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|
384 { |
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|
385 case MODE_AREG_INDIRECT: |
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|
386 case MODE_AREG_PREDEC: |
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|
387 areg_to_native(opts, inst->dst.params.regs.pri, opts->gen.scratch2); |
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|
388 break; |
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|
389 case MODE_AREG_DISPLACE: |
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|
390 early_cycles += BUS; |
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|
391 calc_areg_displace(opts, &inst->dst, opts->gen.scratch2); |
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|
392 break; |
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changeset
|
393 case MODE_AREG_INDEX_DISP8: |
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|
394 early_cycles += 6; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
395 calc_areg_index_disp8(opts, &inst->dst, opts->gen.scratch2); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
396 break; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
397 case MODE_PC_DISPLACE: |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
398 early_cycles += BUS; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
399 ldi_native(opts, inst->dst.params.regs.displacement + inst->address+2, opts->gen.scratch2); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
400 break; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
401 case MODE_PC_INDEX_DISP8: |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
402 early_cycles += 6; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
403 ldi_native(opts, inst->address+2, opts->gen.scratch2); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
404 calc_index_disp8(opts, &inst->dst, opts->gen.scratch2); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
405 case MODE_ABSOLUTE: |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
406 early_cycles += 4; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
407 case MODE_ABSOLUTE_SHORT: |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
408 early_cycles += 4; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
409 ldi_native(opts, inst->dst.params.immed, opts->gen.scratch2); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
410 break; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
411 default: |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
412 m68k_disasm(inst, disasm_buf); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
413 printf("%X: %s\naddress mode %d not implemented (movem dst)\n", inst->address, disasm_buf, inst->dst.addr_mode); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
414 exit(1); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
415 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
416 if (inst->dst.addr_mode == MODE_AREG_PREDEC) { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
417 reg = 15; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
418 dir = -1; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
419 } else { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
420 reg = 0; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
421 dir = 1; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
422 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
423 cycles(&opts->gen, early_cycles); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
424 for(bit=0; reg < 16 && reg >= 0; reg += dir, bit++) { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
425 if (inst->src.params.immed & (1 << bit)) { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
426 if (inst->dst.addr_mode == MODE_AREG_PREDEC) { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
427 subi_native(opts, (inst->extra.size == OPSIZE_LONG) ? 4 : 2, opts->gen.scratch2); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
428 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
429 push_native(opts, opts->gen.scratch2); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
430 if (reg > 7) { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
431 areg_to_native(opts, reg-8, opts->gen.scratch1); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
432 } else { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
433 dreg_to_native(opts, reg, opts->gen.scratch1); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
434 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
435 if (inst->extra.size == OPSIZE_LONG) { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
436 call(code, opts->write_32_lowfirst); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
437 } else { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
438 call(code, opts->write_16); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
439 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
440 pop_native(opts, opts->gen.scratch2); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
441 if (inst->dst.addr_mode != MODE_AREG_PREDEC) { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
442 addi_native(opts, (inst->extra.size == OPSIZE_LONG) ? 4 : 2, opts->gen.scratch2); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
443 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
444 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
445 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
446 if (inst->dst.addr_mode == MODE_AREG_PREDEC) { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
447 native_to_areg(opts, opts->gen.scratch2, inst->dst.params.regs.pri); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
448 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
449 } else { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
450 //mem to reg |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
451 early_cycles = 4; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
452 switch (inst->src.addr_mode) |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
453 { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
454 case MODE_AREG_INDIRECT: |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
455 case MODE_AREG_POSTINC: |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
456 areg_to_native(opts, inst->src.params.regs.pri, opts->gen.scratch1); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
457 break; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
458 case MODE_AREG_DISPLACE: |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
459 early_cycles += BUS; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
460 reg = opts->gen.scratch2; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
461 calc_areg_displace(opts, &inst->src, opts->gen.scratch1); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
462 break; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
463 case MODE_AREG_INDEX_DISP8: |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
464 early_cycles += 6; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
465 calc_areg_index_disp8(opts, &inst->src, opts->gen.scratch1); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
466 break; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
467 case MODE_PC_DISPLACE: |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
468 early_cycles += BUS; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
469 ldi_native(opts, inst->src.params.regs.displacement + inst->address+2, opts->gen.scratch1); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
470 break; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
471 case MODE_PC_INDEX_DISP8: |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
472 early_cycles += 6; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
473 ldi_native(opts, inst->address+2, opts->gen.scratch1); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
474 calc_index_disp8(opts, &inst->src, opts->gen.scratch1); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
475 break; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
476 case MODE_ABSOLUTE: |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
477 early_cycles += 4; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
478 case MODE_ABSOLUTE_SHORT: |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
479 early_cycles += 4; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
480 ldi_native(opts, inst->src.params.immed, opts->gen.scratch1); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
481 break; |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
482 default: |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
483 m68k_disasm(inst, disasm_buf); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
484 printf("%X: %s\naddress mode %d not implemented (movem src)\n", inst->address, disasm_buf, inst->src.addr_mode); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
485 exit(1); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
486 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
487 cycles(&opts->gen, early_cycles); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
488 for(reg = 0; reg < 16; reg ++) { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
489 if (inst->dst.params.immed & (1 << reg)) { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
490 push_native(opts, opts->gen.scratch1); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
491 if (inst->extra.size == OPSIZE_LONG) { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
492 call(code, opts->read_32); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
493 } else { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
494 call(code, opts->read_16); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
495 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
496 if (inst->extra.size == OPSIZE_WORD) { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
497 sign_extend16_native(opts, opts->gen.scratch1); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
498 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
499 if (reg > 7) { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
500 native_to_areg(opts, opts->gen.scratch1, reg-8); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
501 } else { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
502 native_to_dreg(opts, opts->gen.scratch1, reg); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
503 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
504 pop_native(opts, opts->gen.scratch1); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
505 addi_native(opts, (inst->extra.size == OPSIZE_LONG) ? 4 : 2, opts->gen.scratch1); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
506 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
507 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
508 if (inst->src.addr_mode == MODE_AREG_POSTINC) { |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
509 native_to_areg(opts, opts->gen.scratch1, inst->src.params.regs.pri); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
510 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
511 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
512 //prefetch |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
513 cycles(&opts->gen, 4); |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
514 } |
963d5901f583
Move translate_m68k_movem to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
587
diff
changeset
|
515 |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
516 void translate_m68k_nop(m68k_options *opts, m68kinst *inst) |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
517 { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
518 cycles(&opts->gen, BUS); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
519 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
520 |
574
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
521 void swap_ssp_usp(m68k_options * opts) |
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
522 { |
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
523 areg_to_native(opts, 7, opts->gen.scratch2); |
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
524 areg_to_native(opts, 8, opts->aregs[7]); |
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
525 native_to_areg(opts, opts->gen.scratch2, 8); |
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
526 } |
1594525e2157
More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents:
570
diff
changeset
|
527 |
687
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
528 void translate_m68k_reset(m68k_options *opts, m68kinst *inst) |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
529 { |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
530 code_info *code = &opts->gen.code; |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
531 call(code, opts->gen.save_context); |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
532 call_args(code, (code_ptr)print_regs_exit, 1, opts->gen.context_reg); |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
533 } |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
534 |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
535 void translate_m68k_rte(m68k_options *opts, m68kinst *inst) |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
536 { |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
537 code_info *code = &opts->gen.code; |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
538 //TODO: Trap if not in system mode |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
539 //Read saved SR |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
540 areg_to_native(opts, 7, opts->gen.scratch1); |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
541 call(code, opts->read_16); |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
542 addi_areg(opts, 2, 7); |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
543 call(code, opts->set_sr); |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
544 //Read saved PC |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
545 areg_to_native(opts, 7, opts->gen.scratch1); |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
546 call(code, opts->read_32); |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
547 addi_areg(opts, 4, 7); |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
548 check_user_mode_swap_ssp_usp(opts); |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
549 //Get native address, sync components, recalculate integer points and jump to returned address |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
550 call(code, opts->native_addr_and_sync); |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
551 jmp_r(code, opts->gen.scratch1); |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
552 } |
a61d33ccea7d
Moved translate_m68k_rte and translate_m68k_reset to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
681
diff
changeset
|
553 |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
554 code_ptr get_native_address(native_map_slot * native_code_map, uint32_t address) |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
555 { |
690
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
556 //FIXME: Use opts->gen.address_mask |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
557 address &= 0xFFFFFF; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
558 address /= 2; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
559 uint32_t chunk = address / NATIVE_CHUNK_SIZE; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
560 if (!native_code_map[chunk].base) { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
561 return NULL; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
562 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
563 uint32_t offset = address % NATIVE_CHUNK_SIZE; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
564 if (native_code_map[chunk].offsets[offset] == INVALID_OFFSET || native_code_map[chunk].offsets[offset] == EXTENSION_WORD) { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
565 return NULL; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
566 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
567 return native_code_map[chunk].base + native_code_map[chunk].offsets[offset]; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
568 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
569 |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
570 code_ptr get_native_from_context(m68k_context * context, uint32_t address) |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
571 { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
572 return get_native_address(context->native_code_map, address); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
573 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
574 |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
575 uint32_t get_instruction_start(native_map_slot * native_code_map, uint32_t address) |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
576 { |
690
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
577 //FIXME: Use opts->gen.address_mask |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
578 address &= 0xFFFFFF; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
579 address /= 2; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
580 uint32_t chunk = address / NATIVE_CHUNK_SIZE; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
581 if (!native_code_map[chunk].base) { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
582 return 0; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
583 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
584 uint32_t offset = address % NATIVE_CHUNK_SIZE; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
585 if (native_code_map[chunk].offsets[offset] == INVALID_OFFSET) { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
586 return 0; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
587 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
588 while (native_code_map[chunk].offsets[offset] == EXTENSION_WORD) { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
589 --address; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
590 chunk = address / NATIVE_CHUNK_SIZE; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
591 offset = address % NATIVE_CHUNK_SIZE; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
592 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
593 return address*2; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
594 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
595 |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
596 void map_native_address(m68k_context * context, uint32_t address, code_ptr native_addr, uint8_t size, uint8_t native_size) |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
597 { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
598 native_map_slot * native_code_map = context->native_code_map; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
599 m68k_options * opts = context->options; |
690
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
600 address &= opts->gen.address_mask; |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
601 uint32_t meta_off = 0; |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
602 //TODO: Refactor part of this loop into some kind of get_ram_chunk function |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
603 for (int i = 0; i < opts->gen.memmap_chunks; i++) { |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
604 if (address >= opts->gen.memmap[i].start && address < opts->gen.memmap[i].end) { |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
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parents:
688
diff
changeset
|
605 if ((opts->gen.memmap[i].flags & (MMAP_WRITE | MMAP_CODE)) == (MMAP_WRITE | MMAP_CODE)) { |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
606 uint32_t masked = (address & opts->gen.memmap[i].mask); |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
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parents:
688
diff
changeset
|
607 uint32_t final_off = masked + meta_off; |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
608 uint32_t ram_flags_off = final_off >> (opts->gen.ram_flags_shift + 3); |
692
e11e68918691
Fix bug in map_native_address that was breaking some self-modifying code in Gunstar Heroes
Michael Pavone <pavone@retrodev.com>
parents:
690
diff
changeset
|
609 context->ram_code_flags[ram_flags_off] |= 1 << ((final_off >> opts->gen.ram_flags_shift) & 7); |
690
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
610 |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
611 uint32_t slot = final_off / 1024; |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
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parents:
688
diff
changeset
|
612 if (!opts->gen.ram_inst_sizes[slot]) { |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
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parents:
688
diff
changeset
|
613 opts->gen.ram_inst_sizes[slot] = malloc(sizeof(uint8_t) * 512); |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
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|
614 } |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
615 opts->gen.ram_inst_sizes[slot][(final_off/2) & 511] = native_size; |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
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|
616 |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
617 //TODO: Deal with case in which end of instruction is in a different memory chunk |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
618 masked = (address + size - 1) & opts->gen.memmap[i].mask; |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
619 final_off = masked + meta_off; |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
620 ram_flags_off = final_off >> (opts->gen.ram_flags_shift + 3); |
692
e11e68918691
Fix bug in map_native_address that was breaking some self-modifying code in Gunstar Heroes
Michael Pavone <pavone@retrodev.com>
parents:
690
diff
changeset
|
621 context->ram_code_flags[ram_flags_off] |= 1 << ((final_off >> opts->gen.ram_flags_shift) & 7); |
690
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
622 } |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
623 break; |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
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parents:
688
diff
changeset
|
624 } else if ((opts->gen.memmap[i].flags & (MMAP_WRITE | MMAP_CODE)) == (MMAP_WRITE | MMAP_CODE)) { |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
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changeset
|
625 uint32_t size = chunk_size(&opts->gen, opts->gen.memmap + i); |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
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changeset
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626 meta_off += size; |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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parents:
diff
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627 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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parents:
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|
628 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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parents:
diff
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|
629 address/= 2; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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parents:
diff
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|
630 uint32_t chunk = address / NATIVE_CHUNK_SIZE; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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parents:
diff
changeset
|
631 if (!native_code_map[chunk].base) { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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parents:
diff
changeset
|
632 native_code_map[chunk].base = native_addr; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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parents:
diff
changeset
|
633 native_code_map[chunk].offsets = malloc(sizeof(int32_t) * NATIVE_CHUNK_SIZE); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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parents:
diff
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|
634 memset(native_code_map[chunk].offsets, 0xFF, sizeof(int32_t) * NATIVE_CHUNK_SIZE); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
635 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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parents:
diff
changeset
|
636 uint32_t offset = address % NATIVE_CHUNK_SIZE; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
637 native_code_map[chunk].offsets[offset] = native_addr-native_code_map[chunk].base; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
638 for(address++,size-=2; size; address++,size-=2) { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
639 chunk = address / NATIVE_CHUNK_SIZE; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
640 offset = address % NATIVE_CHUNK_SIZE; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
641 if (!native_code_map[chunk].base) { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
642 native_code_map[chunk].base = native_addr; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
643 native_code_map[chunk].offsets = malloc(sizeof(int32_t) * NATIVE_CHUNK_SIZE); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
644 memset(native_code_map[chunk].offsets, 0xFF, sizeof(int32_t) * NATIVE_CHUNK_SIZE); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
645 } |
713
f9b80a78d9a6
Don't overwrite an instruction offset mapping with an extension word value. I really need the ability for a word to be mapped to more than one instruction, but this will be more correct for now
Michael Pavone <pavone@retrodev.com>
parents:
706
diff
changeset
|
646 if (native_code_map[chunk].offsets[offset] == INVALID_OFFSET) { |
f9b80a78d9a6
Don't overwrite an instruction offset mapping with an extension word value. I really need the ability for a word to be mapped to more than one instruction, but this will be more correct for now
Michael Pavone <pavone@retrodev.com>
parents:
706
diff
changeset
|
647 //TODO: Better handling of overlapping instructions |
f9b80a78d9a6
Don't overwrite an instruction offset mapping with an extension word value. I really need the ability for a word to be mapped to more than one instruction, but this will be more correct for now
Michael Pavone <pavone@retrodev.com>
parents:
706
diff
changeset
|
648 native_code_map[chunk].offsets[offset] = EXTENSION_WORD; |
f9b80a78d9a6
Don't overwrite an instruction offset mapping with an extension word value. I really need the ability for a word to be mapped to more than one instruction, but this will be more correct for now
Michael Pavone <pavone@retrodev.com>
parents:
706
diff
changeset
|
649 } |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
650 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
651 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
652 |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
653 uint8_t get_native_inst_size(m68k_options * opts, uint32_t address) |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
654 { |
690
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
655 address &= opts->gen.address_mask; |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
656 uint32_t meta_off = 0; |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
657 for (int i = 0; i < opts->gen.memmap_chunks; i++) { |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
658 if (address >= opts->gen.memmap[i].start && address < opts->gen.memmap[i].end) { |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
659 if ((opts->gen.memmap[i].flags & (MMAP_WRITE | MMAP_CODE)) != (MMAP_WRITE | MMAP_CODE)) { |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
660 return 0; |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
661 } |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
662 meta_off += address & opts->gen.memmap[i].mask; |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
663 break; |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
664 } else if ((opts->gen.memmap[i].flags & (MMAP_WRITE | MMAP_CODE)) == (MMAP_WRITE | MMAP_CODE)) { |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
665 uint32_t size = chunk_size(&opts->gen, opts->gen.memmap + i); |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
666 meta_off += size; |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
667 } |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
668 } |
690
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
669 uint32_t slot = meta_off/1024; |
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
670 return opts->gen.ram_inst_sizes[slot][(meta_off/2)%512]; |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
671 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
672 |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
673 uint8_t m68k_is_terminal(m68kinst * inst) |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
674 { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
675 return inst->op == M68K_RTS || inst->op == M68K_RTE || inst->op == M68K_RTR || inst->op == M68K_JMP |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
676 || inst->op == M68K_TRAP || inst->op == M68K_ILLEGAL || inst->op == M68K_INVALID || inst->op == M68K_RESET |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
677 || (inst->op == M68K_BCC && inst->extra.cond == COND_TRUE); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
678 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
679 |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
680 void m68k_handle_deferred(m68k_context * context) |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
681 { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
682 m68k_options * opts = context->options; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
683 process_deferred(&opts->gen.deferred, context, (native_addr_func)get_native_from_context); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
684 if (opts->gen.deferred) { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
685 translate_m68k_stream(opts->gen.deferred->address, context); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
686 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
687 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
688 |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
689 typedef enum { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
690 RAW_FUNC = 1, |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
691 BINARY_ARITH, |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
692 UNARY_ARITH, |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
693 OP_FUNC |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
694 } impl_type; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
695 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
696 typedef void (*raw_fun)(m68k_options * opts, m68kinst *inst); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
697 typedef void (*op_fun)(m68k_options * opts, m68kinst *inst, host_ea *src_op, host_ea *dst_op); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
698 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
699 typedef struct { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
700 union { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
701 raw_fun raw; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
702 uint32_t flag_mask; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
703 op_fun op; |
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704 } impl; |
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|
705 impl_type itype; |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
706 } impl_info; |
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|
707 |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
708 #define RAW_IMPL(inst, fun) [inst] = { .impl = { .raw = fun }, .itype = RAW_FUNC } |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
709 #define OP_IMPL(inst, fun) [inst] = { .impl = { .op = fun }, .itype = OP_FUNC } |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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710 #define UNARY_IMPL(inst, mask) [inst] = { .impl = { .flag_mask = mask }, .itype = UNARY_ARITH } |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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711 #define BINARY_IMPL(inst, mask) [inst] = { .impl = { .flag_mask = mask}, .itype = BINARY_ARITH } |
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|
712 |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
713 impl_info m68k_impls[] = { |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
714 //math |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
715 BINARY_IMPL(M68K_ADD, X|N|Z|V|C), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
716 BINARY_IMPL(M68K_SUB, X|N|Z|V|C), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
717 //z flag is special cased for ADDX/SUBX |
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|
718 BINARY_IMPL(M68K_ADDX, X|N|V|C), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
719 BINARY_IMPL(M68K_SUBX, X|N|V|C), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
720 OP_IMPL(M68K_ABCD, translate_m68k_abcd_sbcd), |
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|
721 OP_IMPL(M68K_SBCD, translate_m68k_abcd_sbcd), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
722 BINARY_IMPL(M68K_AND, N|Z|V0|C0), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
723 BINARY_IMPL(M68K_EOR, N|Z|V0|C0), |
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|
724 BINARY_IMPL(M68K_OR, N|Z|V0|C0), |
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725 RAW_IMPL(M68K_CMP, translate_m68k_cmp), |
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726 OP_IMPL(M68K_DIVS, translate_m68k_div), |
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727 OP_IMPL(M68K_DIVU, translate_m68k_div), |
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728 OP_IMPL(M68K_MULS, translate_m68k_mul), |
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729 OP_IMPL(M68K_MULU, translate_m68k_mul), |
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730 RAW_IMPL(M68K_EXT, translate_m68k_ext), |
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731 UNARY_IMPL(M68K_NEG, X|N|Z|V|C), |
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|
732 OP_IMPL(M68K_NEGX, translate_m68k_negx), |
614
60a06c025103
Fix flag mask for m68k not
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diff
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|
733 UNARY_IMPL(M68K_NOT, N|Z|V|C), |
582
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|
734 UNARY_IMPL(M68K_TST, N|Z|V0|C0), |
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|
735 |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
736 //shift/rotate |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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737 OP_IMPL(M68K_ASL, translate_m68k_sl), |
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|
738 OP_IMPL(M68K_LSL, translate_m68k_sl), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
739 OP_IMPL(M68K_ASR, translate_m68k_asr), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
740 OP_IMPL(M68K_LSR, translate_m68k_lsr), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
741 OP_IMPL(M68K_ROL, translate_m68k_rot), |
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|
742 OP_IMPL(M68K_ROR, translate_m68k_rot), |
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|
743 OP_IMPL(M68K_ROXL, translate_m68k_rot), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
744 OP_IMPL(M68K_ROXR, translate_m68k_rot), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
745 UNARY_IMPL(M68K_SWAP, N|Z|V0|C0), |
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|
746 |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
747 //bit |
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|
748 OP_IMPL(M68K_BCHG, translate_m68k_bit), |
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|
749 OP_IMPL(M68K_BCLR, translate_m68k_bit), |
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|
750 OP_IMPL(M68K_BSET, translate_m68k_bit), |
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|
751 OP_IMPL(M68K_BTST, translate_m68k_bit), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
752 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
753 //data movement |
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|
754 RAW_IMPL(M68K_MOVE, translate_m68k_move), |
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|
755 RAW_IMPL(M68K_MOVEM, translate_m68k_movem), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
756 RAW_IMPL(M68K_MOVEP, translate_m68k_movep), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
757 RAW_IMPL(M68K_MOVE_USP, translate_m68k_move_usp), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
758 RAW_IMPL(M68K_LEA, translate_m68k_lea_pea), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
759 RAW_IMPL(M68K_PEA, translate_m68k_lea_pea), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
760 RAW_IMPL(M68K_CLR, translate_m68k_clr), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
761 OP_IMPL(M68K_EXG, translate_m68k_exg), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
762 RAW_IMPL(M68K_SCC, translate_m68k_scc), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
763 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
764 //function calls and branches |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
765 RAW_IMPL(M68K_BCC, translate_m68k_bcc), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
766 RAW_IMPL(M68K_BSR, translate_m68k_bsr), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
767 RAW_IMPL(M68K_DBCC, translate_m68k_dbcc), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
768 RAW_IMPL(M68K_JMP, translate_m68k_jmp_jsr), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
769 RAW_IMPL(M68K_JSR, translate_m68k_jmp_jsr), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
770 RAW_IMPL(M68K_RTS, translate_m68k_rts), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
771 RAW_IMPL(M68K_RTE, translate_m68k_rte), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
772 RAW_IMPL(M68K_RTR, translate_m68k_rtr), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
773 RAW_IMPL(M68K_LINK, translate_m68k_link), |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
774 RAW_IMPL(M68K_UNLK, translate_m68k_unlk), |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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changeset
|
775 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
776 //SR/CCR stuff |
584
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
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diff
changeset
|
777 RAW_IMPL(M68K_ANDI_CCR, translate_m68k_andi_ori_ccr_sr), |
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
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changeset
|
778 RAW_IMPL(M68K_ANDI_SR, translate_m68k_andi_ori_ccr_sr), |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
779 RAW_IMPL(M68K_EORI_CCR, translate_m68k_eori_ccr_sr), |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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changeset
|
780 RAW_IMPL(M68K_EORI_SR, translate_m68k_eori_ccr_sr), |
584
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
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changeset
|
781 RAW_IMPL(M68K_ORI_CCR, translate_m68k_andi_ori_ccr_sr), |
b6713c1b6f55
Combine andi ccr/sr and ori ccr/sr.
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changeset
|
782 RAW_IMPL(M68K_ORI_SR, translate_m68k_andi_ori_ccr_sr), |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
783 OP_IMPL(M68K_MOVE_CCR, translate_m68k_move_ccr_sr), |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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changeset
|
784 OP_IMPL(M68K_MOVE_SR, translate_m68k_move_ccr_sr), |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
785 OP_IMPL(M68K_MOVE_FROM_SR, translate_m68k_move_from_sr), |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
786 RAW_IMPL(M68K_STOP, translate_m68k_stop), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
787 |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
788 //traps |
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|
789 OP_IMPL(M68K_CHK, translate_m68k_chk), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
790 RAW_IMPL(M68K_TRAP, translate_m68k_trap), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
791 RAW_IMPL(M68K_ILLEGAL, translate_m68k_illegal), |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
792 RAW_IMPL(M68K_INVALID, translate_m68k_invalid), |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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changeset
|
793 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
794 //misc |
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|
795 RAW_IMPL(M68K_NOP, translate_m68k_nop), |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
796 RAW_IMPL(M68K_RESET, translate_m68k_reset), |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
797 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
798 //currently unimplemented |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
799 //M68K_NBCD |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
800 //M68K_TAS |
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|
801 //M68K_TRAPV |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
802 }; |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
803 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
804 void translate_m68k(m68k_options * opts, m68kinst * inst) |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
805 { |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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changeset
|
806 check_cycles_int(&opts->gen, inst->address); |
701
200ee73c7210
Remove/comment verbose logging added for tracking down sync bug
Michael Pavone <pavone@retrodev.com>
parents:
697
diff
changeset
|
807 //log_address(&opts->gen, inst->address, "M68K: %X @ %d\n"); |
582
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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changeset
|
808 impl_info * info = m68k_impls + inst->op; |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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changeset
|
809 if (info->itype == RAW_FUNC) { |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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|
810 info->impl.raw(opts, inst); |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
811 return; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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diff
changeset
|
812 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
813 |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
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changeset
|
814 host_ea src_op, dst_op; |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
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changeset
|
815 if (inst->src.addr_mode != MODE_UNUSED) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
816 translate_m68k_op(inst, &src_op, opts, 0); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
817 } |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
818 if (inst->dst.addr_mode != MODE_UNUSED) { |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
819 translate_m68k_op(inst, &dst_op, opts, 1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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changeset
|
820 } |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
821 if (info->itype == OP_FUNC) { |
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Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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|
822 info->impl.op(opts, inst, &src_op, &dst_op); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
823 } else if (info->itype == BINARY_ARITH) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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changeset
|
824 translate_m68k_arith(opts, inst, info->impl.flag_mask, &src_op, &dst_op); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
825 } else if (info->itype == UNARY_ARITH) { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
826 translate_m68k_unary(opts, inst, info->impl.flag_mask, inst->dst.addr_mode != MODE_UNUSED ? &dst_op : &src_op); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
827 } else { |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
828 m68k_disasm(inst, disasm_buf); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
829 printf("%X: %s\ninstruction %d not yet implemented\n", inst->address, disasm_buf, inst->op); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
830 exit(1); |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
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changeset
|
831 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
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parents:
581
diff
changeset
|
832 } |
c05fcbfe1b1a
Refactored translate_m68k so that it contains no host-cpu specific code and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
581
diff
changeset
|
833 |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
834 void translate_m68k_stream(uint32_t address, m68k_context * context) |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
835 { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
836 m68kinst instbuf; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
837 m68k_options * opts = context->options; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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parents:
diff
changeset
|
838 code_info *code = &opts->gen.code; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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parents:
diff
changeset
|
839 if(get_native_address(opts->gen.native_code_map, address)) { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
840 return; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
841 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
842 uint16_t *encoded, *next; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
843 do { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
844 if (opts->address_log) { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
845 fprintf(opts->address_log, "%X\n", address); |
654
98927f1b005b
Fix some issues with 68K instruction retranslation
Michael Pavone <pavone@retrodev.com>
parents:
653
diff
changeset
|
846 fflush(opts->address_log); |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
847 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
848 do { |
653
a18e3923481e
Remove some of the hard coded assumptions about the memory map from the CPU cores
Michael Pavone <pavone@retrodev.com>
parents:
614
diff
changeset
|
849 encoded = get_native_pointer(address, (void **)context->mem_pointers, &opts->gen); |
a18e3923481e
Remove some of the hard coded assumptions about the memory map from the CPU cores
Michael Pavone <pavone@retrodev.com>
parents:
614
diff
changeset
|
850 if (!encoded) { |
681
e26640daf1ae
Prevent an infinite loop when handling out of bounds addresses in translate_m68k_stream
Michael Pavone <pavone@retrodev.com>
parents:
673
diff
changeset
|
851 map_native_address(context, address, code->cur, 2, 1); |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
852 translate_out_of_bounds(code); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
853 break; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
854 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
855 code_ptr existing = get_native_address(opts->gen.native_code_map, address); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
856 if (existing) { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
857 jmp(code, existing); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
858 break; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
859 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
860 next = m68k_decode(encoded, &instbuf, address); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
861 if (instbuf.op == M68K_INVALID) { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
862 instbuf.src.params.immed = *encoded; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
863 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
864 uint16_t m68k_size = (next-encoded)*2; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
865 address += m68k_size; |
653
a18e3923481e
Remove some of the hard coded assumptions about the memory map from the CPU cores
Michael Pavone <pavone@retrodev.com>
parents:
614
diff
changeset
|
866 //char disbuf[1024]; |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
867 //m68k_disasm(&instbuf, disbuf); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
868 //printf("%X: %s\n", instbuf.address, disbuf); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
869 |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
870 //make sure the beginning of the code for an instruction is contiguous |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
871 check_code_prologue(code); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
872 code_ptr start = code->cur; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
873 translate_m68k(opts, &instbuf); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
874 code_ptr after = code->cur; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
875 map_native_address(context, instbuf.address, start, m68k_size, after-start); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
876 } while(!m68k_is_terminal(&instbuf)); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
877 process_deferred(&opts->gen.deferred, context, (native_addr_func)get_native_from_context); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
878 if (opts->gen.deferred) { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
879 address = opts->gen.deferred->address; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
880 } |
653
a18e3923481e
Remove some of the hard coded assumptions about the memory map from the CPU cores
Michael Pavone <pavone@retrodev.com>
parents:
614
diff
changeset
|
881 } while(opts->gen.deferred); |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
882 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
883 |
587
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
884 void * m68k_retranslate_inst(uint32_t address, m68k_context * context) |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
885 { |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
886 m68k_options * opts = context->options; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
887 code_info *code = &opts->gen.code; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
888 uint8_t orig_size = get_native_inst_size(opts, address); |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
889 code_ptr orig_start = get_native_address(context->native_code_map, address); |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
890 uint32_t orig = address; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
891 code_info orig_code; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
892 orig_code.cur = orig_start; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
893 orig_code.last = orig_start + orig_size + 5; |
653
a18e3923481e
Remove some of the hard coded assumptions about the memory map from the CPU cores
Michael Pavone <pavone@retrodev.com>
parents:
614
diff
changeset
|
894 uint16_t *after, *inst = get_native_pointer(address, (void **)context->mem_pointers, &opts->gen); |
587
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
895 m68kinst instbuf; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
896 after = m68k_decode(inst, &instbuf, orig); |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
897 if (orig_size != MAX_NATIVE_SIZE) { |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
898 deferred_addr * orig_deferred = opts->gen.deferred; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
899 |
654
98927f1b005b
Fix some issues with 68K instruction retranslation
Michael Pavone <pavone@retrodev.com>
parents:
653
diff
changeset
|
900 //make sure we have enough code space for the max size instruction |
98927f1b005b
Fix some issues with 68K instruction retranslation
Michael Pavone <pavone@retrodev.com>
parents:
653
diff
changeset
|
901 check_alloc_code(code, MAX_NATIVE_SIZE); |
587
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
902 code_ptr native_start = code->cur; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
903 translate_m68k(opts, &instbuf); |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
904 code_ptr native_end = code->cur; |
654
98927f1b005b
Fix some issues with 68K instruction retranslation
Michael Pavone <pavone@retrodev.com>
parents:
653
diff
changeset
|
905 /*uint8_t is_terminal = m68k_is_terminal(&instbuf); |
587
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
906 if ((native_end - native_start) <= orig_size) { |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
907 code_ptr native_next; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
908 if (!is_terminal) { |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
909 native_next = get_native_address(context->native_code_map, orig + (after-inst)*2); |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
910 } |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
911 if (is_terminal || (native_next && ((native_next == orig_start + orig_size) || (orig_size - (native_end - native_start)) > 5))) { |
654
98927f1b005b
Fix some issues with 68K instruction retranslation
Michael Pavone <pavone@retrodev.com>
parents:
653
diff
changeset
|
912 printf("Using original location: %p\n", orig_code.cur); |
587
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
913 remove_deferred_until(&opts->gen.deferred, orig_deferred); |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
914 code_info tmp; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
915 tmp.cur = code->cur; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
916 tmp.last = code->last; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
917 code->cur = orig_code.cur; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
918 code->last = orig_code.last; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
919 translate_m68k(opts, &instbuf); |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
920 native_end = orig_code.cur = code->cur; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
921 code->cur = tmp.cur; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
922 code->last = tmp.last; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
923 if (!is_terminal) { |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
924 nop_fill_or_jmp_next(&orig_code, orig_start + orig_size, native_next); |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
925 } |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
926 m68k_handle_deferred(context); |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
927 return orig_start; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
928 } |
654
98927f1b005b
Fix some issues with 68K instruction retranslation
Michael Pavone <pavone@retrodev.com>
parents:
653
diff
changeset
|
929 }*/ |
587
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
930 |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
931 map_native_address(context, instbuf.address, native_start, (after-inst)*2, MAX_NATIVE_SIZE); |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
932 |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
933 jmp(&orig_code, native_start); |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
934 if (!m68k_is_terminal(&instbuf)) { |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
935 code_ptr native_end = code->cur; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
936 code->cur = native_start + MAX_NATIVE_SIZE; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
937 code_ptr rest = get_native_address_trans(context, orig + (after-inst)*2); |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
938 code_ptr tmp = code->cur; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
939 code->cur = native_end; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
940 jmp(code, rest); |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
941 code->cur = tmp; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
942 } else { |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
943 code->cur = native_start + MAX_NATIVE_SIZE; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
944 } |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
945 m68k_handle_deferred(context); |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
946 return native_start; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
947 } else { |
654
98927f1b005b
Fix some issues with 68K instruction retranslation
Michael Pavone <pavone@retrodev.com>
parents:
653
diff
changeset
|
948 code_info tmp = *code; |
98927f1b005b
Fix some issues with 68K instruction retranslation
Michael Pavone <pavone@retrodev.com>
parents:
653
diff
changeset
|
949 *code = orig_code; |
587
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
950 translate_m68k(opts, &instbuf); |
654
98927f1b005b
Fix some issues with 68K instruction retranslation
Michael Pavone <pavone@retrodev.com>
parents:
653
diff
changeset
|
951 orig_code = *code; |
98927f1b005b
Fix some issues with 68K instruction retranslation
Michael Pavone <pavone@retrodev.com>
parents:
653
diff
changeset
|
952 *code = tmp; |
587
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
953 if (!m68k_is_terminal(&instbuf)) { |
654
98927f1b005b
Fix some issues with 68K instruction retranslation
Michael Pavone <pavone@retrodev.com>
parents:
653
diff
changeset
|
954 jmp(&orig_code, get_native_address_trans(context, orig + (after-inst)*2)); |
587
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
955 } |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
956 m68k_handle_deferred(context); |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
957 return orig_start; |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
958 } |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
959 } |
55c5b0f913ce
Made m68k_retranslate_inst host-cpu generic and moved it to m68k_core.c
Michael Pavone <pavone@retrodev.com>
parents:
584
diff
changeset
|
960 |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
961 code_ptr get_native_address_trans(m68k_context * context, uint32_t address) |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
962 { |
690
fc04781f4d28
Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
Michael Pavone <pavone@retrodev.com>
parents:
688
diff
changeset
|
963 //FIXME: Use opts->gen.address_mask |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
964 address &= 0xFFFFFF; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
965 code_ptr ret = get_native_address(context->native_code_map, address); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
966 if (!ret) { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
967 translate_m68k_stream(address, context); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
968 ret = get_native_address(context->native_code_map, address); |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
969 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
970 return ret; |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
971 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
972 |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
973 void remove_breakpoint(m68k_context * context, uint32_t address) |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
974 { |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
975 code_ptr native = get_native_address(context->native_code_map, address); |
673
7f1b5570b2a1
Fix 68K remove_breakpoint
Michael Pavone <pavone@retrodev.com>
parents:
654
diff
changeset
|
976 code_info tmp = context->options->gen.code; |
7f1b5570b2a1
Fix 68K remove_breakpoint
Michael Pavone <pavone@retrodev.com>
parents:
654
diff
changeset
|
977 context->options->gen.code.cur = native; |
706
0a6dea8c8083
Fix problem with removing breakpoints
Michael Pavone <pavone@retrodev.com>
parents:
701
diff
changeset
|
978 context->options->gen.code.last = native + MAX_NATIVE_SIZE; |
653
a18e3923481e
Remove some of the hard coded assumptions about the memory map from the CPU cores
Michael Pavone <pavone@retrodev.com>
parents:
614
diff
changeset
|
979 check_cycles_int(&context->options->gen, address); |
673
7f1b5570b2a1
Fix 68K remove_breakpoint
Michael Pavone <pavone@retrodev.com>
parents:
654
diff
changeset
|
980 context->options->gen.code = tmp; |
570
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
981 } |
76bba9ffe351
Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
982 |
76bba9ffe351
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983 void start_68k_context(m68k_context * context, uint32_t address) |
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Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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984 { |
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Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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985 code_ptr addr = get_native_address_trans(context, address); |
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Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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986 m68k_options * options = context->options; |
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987 options->start_context(addr, context); |
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Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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988 } |
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Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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989 |
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Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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990 void m68k_reset(m68k_context * context) |
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Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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991 { |
653
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992 //TODO: Actually execute the M68K reset vector rather than simulating some of its behavior |
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993 uint16_t *reset_vec = get_native_pointer(0, (void **)context->mem_pointers, &context->options->gen); |
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994 context->aregs[7] = reset_vec[0] << 16 | reset_vec[1]; |
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995 uint32_t address = reset_vec[2] << 16 | reset_vec[3]; |
570
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996 start_68k_context(context, address); |
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Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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997 } |
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Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
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998 |
574
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More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
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999 |
690
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Removed hardcoded assumptions in M68K core about which parts of the memory map are RAM
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1000 m68k_context * init_68k_context(m68k_options * opts) |
574
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1001 { |
690
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1002 m68k_context * context = malloc(sizeof(m68k_context) + ram_size(&opts->gen) / (1 << opts->gen.ram_flags_shift) / 8); |
574
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1003 memset(context, 0, sizeof(m68k_context)); |
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1004 context->native_code_map = opts->gen.native_code_map; |
574
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1005 context->options = opts; |
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1006 context->int_cycle = CYCLE_NEVER; |
574
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1007 context->status = 0x27; |
690
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1008 return context; |
574
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1009 } |