1 | /*! @file Target_m68k.cc |
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2 | * @brief Target_m68k Implementation |
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3 | * |
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4 | * This file contains the implementation of the base class for |
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5 | * functions supporting target unique functionallity. |
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6 | */ |
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7 | #include "Target_m68k.h" |
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8 | #include "qemu-traces.h" |
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9 | #include <stdio.h> |
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10 | #include <stdlib.h> |
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11 | #include <string.h> |
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12 | #include <unistd.h> |
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13 | |
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14 | namespace Target { |
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15 | |
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16 | Target_m68k::Target_m68k( std::string targetName ): |
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17 | TargetBase( targetName ) |
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18 | { |
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19 | branchInstructions.push_back("bcc"); |
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20 | branchInstructions.push_back("bccs"); |
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21 | branchInstructions.push_back("bccl"); |
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22 | branchInstructions.push_back("bcs"); |
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23 | branchInstructions.push_back("bcss"); |
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24 | branchInstructions.push_back("bcsl"); |
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25 | branchInstructions.push_back("beq"); |
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26 | branchInstructions.push_back("beqs"); |
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27 | branchInstructions.push_back("beql"); |
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28 | branchInstructions.push_back("bge"); |
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29 | branchInstructions.push_back("bges"); |
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30 | branchInstructions.push_back("bgel"); |
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31 | branchInstructions.push_back("bgt"); |
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32 | branchInstructions.push_back("bgts"); |
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33 | branchInstructions.push_back("bgtl"); |
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34 | branchInstructions.push_back("bhi"); |
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35 | branchInstructions.push_back("bhis"); |
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36 | branchInstructions.push_back("bhil"); |
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37 | branchInstructions.push_back("bhs"); |
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38 | branchInstructions.push_back("bhss"); |
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39 | branchInstructions.push_back("bhsl"); |
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40 | branchInstructions.push_back("ble"); |
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41 | branchInstructions.push_back("bles"); |
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42 | branchInstructions.push_back("blel"); |
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43 | branchInstructions.push_back("blo"); |
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44 | branchInstructions.push_back("blos"); |
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45 | branchInstructions.push_back("blol"); |
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46 | branchInstructions.push_back("bls"); |
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47 | branchInstructions.push_back("blss"); |
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48 | branchInstructions.push_back("blsl"); |
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49 | branchInstructions.push_back("blt"); |
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50 | branchInstructions.push_back("blts"); |
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51 | branchInstructions.push_back("bltl"); |
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52 | branchInstructions.push_back("bmi"); |
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53 | branchInstructions.push_back("bmis"); |
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54 | branchInstructions.push_back("bmil"); |
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55 | branchInstructions.push_back("bne"); |
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56 | branchInstructions.push_back("bnes"); |
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57 | branchInstructions.push_back("bnel"); |
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58 | branchInstructions.push_back("bpl"); |
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59 | branchInstructions.push_back("bpls"); |
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60 | branchInstructions.push_back("bpll"); |
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61 | branchInstructions.push_back("bvc"); |
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62 | branchInstructions.push_back("bvcs"); |
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63 | branchInstructions.push_back("bvcl"); |
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64 | branchInstructions.push_back("bvs"); |
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65 | branchInstructions.push_back("bvss"); |
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66 | branchInstructions.push_back("bvsl"); |
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67 | |
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68 | branchInstructions.sort(); |
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69 | |
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70 | } |
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71 | |
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72 | Target_m68k::~Target_m68k() |
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73 | { |
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74 | } |
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75 | |
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76 | bool Target_m68k::isNopLine( |
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77 | const char* const line, |
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78 | int& size |
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79 | ) |
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80 | { |
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81 | if (!strcmp( &line[strlen(line)-3], "nop")) { |
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82 | size = 2; |
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83 | return true; |
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84 | } |
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85 | |
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86 | #define GNU_LD_FILLS_ALIGNMENT_WITH_RTS |
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87 | #if defined(GNU_LD_FILLS_ALIGNMENT_WITH_RTS) |
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88 | // Until binutils 2.20, binutils would fill with rts not nop |
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89 | if (!strcmp( &line[strlen(line)-3], "rts")) { |
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90 | size = 4; |
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91 | return true; |
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92 | } |
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93 | #endif |
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94 | |
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95 | return false; |
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96 | } |
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97 | |
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98 | bool Target_m68k::isBranch( |
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99 | const char* const instruction |
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100 | ) |
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101 | { |
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102 | fprintf( |
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103 | stderr, |
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104 | "DETERMINE BRANCH INSTRUCTIONS FOR THIS ARCHITECTURE! -- fix me\n" |
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105 | ); |
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106 | exit( -1 ); |
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107 | } |
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108 | |
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109 | uint8_t Target_m68k::qemuTakenBit(void) |
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110 | { |
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111 | return TRACE_OP_BR1; |
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112 | } |
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113 | |
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114 | uint8_t Target_m68k::qemuNotTakenBit(void) |
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115 | { |
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116 | return TRACE_OP_BR0; |
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117 | } |
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118 | |
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119 | TargetBase *Target_m68k_Constructor( |
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120 | std::string targetName |
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121 | ) |
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122 | { |
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123 | return new Target_m68k( targetName ); |
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124 | } |
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125 | |
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126 | } |
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