1 | <?xml version='1.0' encoding='UTF-8'?>
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2 | <!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd">
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3 | <topic xml:lang="en-us" id="gimdebughyperv">
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4 | <title>Hyper-V Debug Options</title>
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5 |
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6 | <body>
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7 | <p>
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8 | All of the options listed below are optional, and thus the
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9 | default value specified will be used when the corresponding
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10 | key-value pair is not specified.
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11 | </p>
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12 | <ul>
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13 | <li>
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14 | <p>
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15 | Key:
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16 | <b outputclass="bold"><codeph>enabled</codeph></b>
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17 | </p>
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18 | <p>
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19 | Value: <codeph>0</codeph> or <codeph>1</codeph>
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20 | </p>
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21 | <p>
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22 | Default: <codeph>0</codeph>
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23 | </p>
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24 | <p>
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25 | Specify <codeph>1</codeph> to enable the Hyper-V debug
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26 | interface. If this key-value pair is not specified or the
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27 | value is not <codeph>1</codeph>, the Hyper-V debug
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28 | interface is disabled regardless of other key-value pairs
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29 | being present.
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30 | </p>
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31 | </li>
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32 | <li>
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33 | <p>
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34 | Key:
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35 | <b outputclass="bold"><codeph>address</codeph></b>
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36 | </p>
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37 | <p>
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38 | Value: IPv4 address
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39 | </p>
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40 | <p>
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41 | Default: 127.0.0.1
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42 | </p>
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43 | <p>
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44 | Specify the IPv4 address where the remote debugger is
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45 | connected.
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46 | </p>
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47 | </li>
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48 | <li>
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49 | <p>
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50 | Key:
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51 | <b outputclass="bold"><codeph>port</codeph></b>
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52 | </p>
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53 | <p>
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54 | Value: UDP port number
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55 | </p>
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56 | <p>
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57 | Default: 50000
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58 | </p>
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59 | <p>
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60 | Specify the UDP port number where the remote debugger is
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61 | connected.
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62 | </p>
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63 | </li>
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64 | <li>
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65 | <p>
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66 | Key:
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67 | <b outputclass="bold"><codeph>vendor</codeph></b>
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68 | </p>
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69 | <p>
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70 | Value: Hyper-V vendor signature reported by CPUID to the
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71 | guest
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72 | </p>
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73 | <p>
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74 | Default: When debugging is enabled: <codeph>Microsoft
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75 | Hv</codeph>, otherwise: <codeph>VBoxVBoxVBox</codeph>
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76 | </p>
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77 | <p>
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78 | Specify the Hyper-V vendor signature which is exposed to the
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79 | guest by CPUID. For debugging Microsoft Windows guests, it
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80 | is required the hypervisor reports the Microsoft vendor.
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81 | </p>
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82 | </li>
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83 | <li>
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84 | <p>
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85 | Key:
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86 | <b outputclass="bold"><codeph>hypercallinterface</codeph></b>
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87 | </p>
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88 | <p>
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89 | Value: <codeph>0</codeph> or <codeph>1</codeph>
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90 | </p>
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91 | <p>
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92 | Default: <codeph>0</codeph>
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93 | </p>
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94 | <p>
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95 | Specify whether hypercalls should be suggested for
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96 | initiating debug data transfers between host and guest
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97 | rather than MSRs when requested by the guest.
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98 | </p>
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99 | </li>
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100 | <li>
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101 | <p>
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102 | Key: <b outputclass="bold"><codeph>vsinterface</codeph></b>
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103 | </p>
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104 | <p>
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105 | Value: <codeph>0</codeph> or <codeph>1</codeph>
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106 | </p>
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107 | <p>
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108 | Default: When debugging is enabled, <codeph>1</codeph>,
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109 | otherwise <codeph>0</codeph>
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110 | </p>
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111 | <p>
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112 | Specify whether to expose the VS#1 virtualization service
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113 | interface to the guest. This interface is required for
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114 | debugging Microsoft Windows 10 32-bit guests, but is
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115 | optional for other Windows versions.
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116 | </p>
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117 | </li>
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118 | </ul>
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119 | </body>
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120 | </topic>
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