1 | /* $Id: bs3-cpu-state64-1.c64 83017 2020-02-07 13:12:36Z vboxsync $ */
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2 | /** @file
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3 | * BS3Kit - bs3-cpu-state64-1, 64-bit C code.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2007-2020 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | *
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17 | * The contents of this file may alternatively be used under the terms
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18 | * of the Common Development and Distribution License Version 1.0
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19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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20 | * VirtualBox OSE distribution, in which case the provisions of the
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21 | * CDDL are applicable instead of those of the GPL.
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22 | *
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23 | * You may elect to license modified versions of this file under the
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24 | * terms and conditions of either the GPL or the CDDL or both.
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25 | */
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26 |
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27 |
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28 | /*********************************************************************************************************************************
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29 | * Header Files *
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30 | *********************************************************************************************************************************/
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31 | #include <bs3kit.h>
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32 | #include <iprt/asm-amd64-x86.h>
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33 |
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34 |
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35 | /*********************************************************************************************************************************
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36 | * Internal Functions *
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37 | *********************************************************************************************************************************/
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38 | BS3_DECL(void) bs3CpuState64Worker_Nop(void);
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39 | BS3_DECL(void) bs3CpuState64Worker_ModAll32BitGrps(void);
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40 | BS3_DECL(void) bs3CpuState64Worker_ModAll16BitGrps(void);
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41 | BS3_DECL(void) bs3CpuState64Worker_ModAll8BitGrps(void);
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42 | BS3_DECL(void) bs3CpuState64Worker_ModCr2(void);
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43 | BS3_DECL(void) bs3CpuState64Worker(PFNBS3NEAR pfnWorker);
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44 |
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45 |
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46 | /*********************************************************************************************************************************
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47 | * Global Variables *
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48 | *********************************************************************************************************************************/
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49 | extern BS3REGCTX g_bs3CpuState64CtxToLoad;
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50 | extern BS3REGCTX const g_bs3CpuState64CtxSaved;
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51 |
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52 |
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53 | static void bs3CpuState64InitCtx(uint64_t uTweak)
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54 | {
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55 | Bs3RegCtxSave(&g_bs3CpuState64CtxToLoad);
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56 | g_bs3CpuState64CtxToLoad.rax.u = UINT64_C(0x8877f055443322e0) ^ uTweak;
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57 | g_bs3CpuState64CtxToLoad.rcx.u = UINT64_C(0x8877f155443322e1) ^ uTweak;
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58 | g_bs3CpuState64CtxToLoad.rdx.u = UINT64_C(0x8877f255443322e2) ^ uTweak;
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59 | g_bs3CpuState64CtxToLoad.rbx.u = UINT64_C(0x8877f355443322e3) ^ uTweak;
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60 | g_bs3CpuState64CtxToLoad.rsp.u = UINT64_C(0x8877f455443322e4) ^ uTweak;
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61 | g_bs3CpuState64CtxToLoad.rbp.u = UINT64_C(0x8877f555443322e5) ^ uTweak;
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62 | g_bs3CpuState64CtxToLoad.rsi.u = UINT64_C(0x8877f655443322e6) ^ uTweak;
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63 | g_bs3CpuState64CtxToLoad.rdi.u = UINT64_C(0x8877f755443322e7) ^ uTweak;
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64 | g_bs3CpuState64CtxToLoad.r8.u = UINT64_C(0x8877f855443322e8) ^ uTweak;
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65 | g_bs3CpuState64CtxToLoad.r9.u = UINT64_C(0x8877f955443322e9) ^ uTweak;
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66 | g_bs3CpuState64CtxToLoad.r10.u = UINT64_C(0x8877fa55443322ea) ^ uTweak;
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67 | g_bs3CpuState64CtxToLoad.r11.u = UINT64_C(0x8877fb55443322eb) ^ uTweak;
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68 | g_bs3CpuState64CtxToLoad.r12.u = UINT64_C(0x8877fc55443322ec) ^ uTweak;
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69 | g_bs3CpuState64CtxToLoad.r13.u = UINT64_C(0x8877fd55443322ed) ^ uTweak;
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70 | g_bs3CpuState64CtxToLoad.r14.u = UINT64_C(0x8877fe55443322ee) ^ uTweak;
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71 | g_bs3CpuState64CtxToLoad.r15.u = UINT64_C(0x8877ff55443322ef) ^ uTweak;
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72 | g_bs3CpuState64CtxToLoad.cr2.u = UINT64_C(0x89abcdef76543210) ^ uTweak;
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73 | //Bs3TestPrintf("** Input:\n");
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74 | //Bs3RegCtxPrint(&g_bs3CpuState64CtxToLoad);
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75 | }
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76 |
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77 |
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78 | static void bs3CpuState64Comp(bool fModRbx)
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79 | {
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80 | //Bs3TestPrintf("** Result:\n");
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81 | //Bs3RegCtxPrint(&g_bs3CpuState64CtxSaved);
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82 | g_bs3CpuState64CtxToLoad.rax = g_bs3CpuState64CtxSaved.rax;
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83 | g_bs3CpuState64CtxToLoad.rip = g_bs3CpuState64CtxSaved.rip;
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84 | g_bs3CpuState64CtxToLoad.rflags = g_bs3CpuState64CtxSaved.rflags;
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85 | g_bs3CpuState64CtxToLoad.rsp = g_bs3CpuState64CtxSaved.rsp;
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86 | if (!fModRbx)
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87 | g_bs3CpuState64CtxToLoad.rbx.au16[0] = g_bs3CpuState64CtxSaved.rbx.au16[0];
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88 | if (1)
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89 | g_bs3CpuState64CtxToLoad.ds = g_bs3CpuState64CtxSaved.ds;
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90 |
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91 | Bs3TestCheckRegCtxEx(&g_bs3CpuState64CtxSaved, &g_bs3CpuState64CtxToLoad, 0 /*cbPcAdjust*/, 0 /*cbSpAdjust*/,
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92 | 0 /*fExtraEfl*/, "lm64", 0 /*idTestStep*/);
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93 | }
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94 |
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95 | BS3_DECL(void) Main_lm64()
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96 | {
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97 | Bs3TestInit("bs3-cpu-state64-1");
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98 | /*
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99 | * Switch to 64-bit mode and back to rm.
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100 | */
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101 | Bs3TestSub("noop");
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102 | bs3CpuState64InitCtx(0);
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103 | bs3CpuState64Worker(bs3CpuState64Worker_Nop);
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104 | bs3CpuState64Comp(false /*fModRbx*/);
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105 |
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106 | Bs3TestSub("Modify all 32-bit GPRs");
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107 | bs3CpuState64InitCtx(0);
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108 | bs3CpuState64Worker(bs3CpuState64Worker_ModAll32BitGrps);
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109 | g_bs3CpuState64CtxToLoad.rax.u = UINT64_C(0xc0ffee0d);
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110 | g_bs3CpuState64CtxToLoad.rcx.u = UINT64_C(0xc0ffee1d);
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111 | g_bs3CpuState64CtxToLoad.rdx.u = UINT64_C(0xc0ffee2d);
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112 | g_bs3CpuState64CtxToLoad.rbx.u = UINT64_C(0xc0ffee3d);
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113 | g_bs3CpuState64CtxToLoad.rsp.u = UINT64_C(0xc0ffee4d);
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114 | g_bs3CpuState64CtxToLoad.rbp.u = UINT64_C(0xc0ffee5d);
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115 | g_bs3CpuState64CtxToLoad.rsi.u = UINT64_C(0xc0ffee6d);
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116 | g_bs3CpuState64CtxToLoad.rdi.u = UINT64_C(0xc0ffee7d);
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117 | bs3CpuState64Comp(true /*fModRbx*/);
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118 |
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119 | Bs3TestSub("Modify all 16-bit GPRs");
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120 | bs3CpuState64InitCtx(0);
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121 | bs3CpuState64Worker(bs3CpuState64Worker_ModAll16BitGrps);
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122 | g_bs3CpuState64CtxToLoad.rax.au16[0] = UINT16_C(0xfad0);
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123 | g_bs3CpuState64CtxToLoad.rcx.au16[0] = UINT16_C(0xfad1);
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124 | g_bs3CpuState64CtxToLoad.rdx.au16[0] = UINT16_C(0xfad2);
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125 | g_bs3CpuState64CtxToLoad.rbx.au16[0] = UINT16_C(0xfad3);
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126 | g_bs3CpuState64CtxToLoad.rsp.au16[0] = UINT16_C(0xfad4);
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127 | g_bs3CpuState64CtxToLoad.rbp.au16[0] = UINT16_C(0xfad5);
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128 | g_bs3CpuState64CtxToLoad.rsi.au16[0] = UINT16_C(0xfad6);
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129 | g_bs3CpuState64CtxToLoad.rdi.au16[0] = UINT16_C(0xfad7);
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130 | bs3CpuState64Comp(true /*fModRbx*/);
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131 |
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132 | Bs3TestSub("Modify all 8-bit GPRs");
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133 | bs3CpuState64InitCtx(0);
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134 | bs3CpuState64Worker(bs3CpuState64Worker_ModAll8BitGrps);
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135 | g_bs3CpuState64CtxToLoad.rax.au8[0] = 0x10;
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136 | g_bs3CpuState64CtxToLoad.rax.au8[1] = 0x11;
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137 | g_bs3CpuState64CtxToLoad.rcx.au8[0] = 0x20;
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138 | g_bs3CpuState64CtxToLoad.rcx.au8[1] = 0x21;
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139 | g_bs3CpuState64CtxToLoad.rdx.au8[0] = 0x30;
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140 | g_bs3CpuState64CtxToLoad.rdx.au8[1] = 0x31;
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141 | g_bs3CpuState64CtxToLoad.rbx.au8[0] = 0x40;
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142 | g_bs3CpuState64CtxToLoad.rbx.au8[1] = 0x41;
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143 | bs3CpuState64Comp(true /*fModRbx*/);
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144 |
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145 | Bs3TestSub("Modify CR2");
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146 | bs3CpuState64InitCtx(0);
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147 | bs3CpuState64Worker(bs3CpuState64Worker_ModCr2);
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148 | g_bs3CpuState64CtxToLoad.cr2.u = 0xf00dface;
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149 | bs3CpuState64Comp(true /*fModRbx*/);
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150 |
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151 | /** @todo DRx */
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152 | Bs3TestTerm();
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153 | for (;;)
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154 | ASMHalt();
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155 | }
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156 |
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