1 | /** @file
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2 | Esrt management module.
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3 |
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4 | Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
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5 | This program and the accompanying materials
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6 | are licensed and made available under the terms and conditions of the BSD License
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7 | which accompanies this distribution. The full text of the license may be found at
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8 | http://opensource.org/licenses/bsd-license.php
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9 |
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10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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12 |
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13 | **/
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14 | #include "EsrtImpl.h"
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15 |
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16 |
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17 | //
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18 | // Module globals.
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19 | //
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20 |
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21 | ESRT_PRIVATE_DATA mPrivate;
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22 |
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23 | ESRT_MANAGEMENT_PROTOCOL mEsrtManagementProtocolTemplate = {
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24 | EsrtDxeGetEsrtEntry,
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25 | EsrtDxeUpdateEsrtEntry,
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26 | EsrtDxeRegisterEsrtEntry,
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27 | EsrtDxeUnRegisterEsrtEntry,
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28 | EsrtDxeSyncFmp,
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29 | EsrtDxeLockEsrtRepository
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30 | };
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31 |
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32 | /**
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33 | Get ESRT entry from ESRT Cache by FwClass Guid
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34 |
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35 | @param[in] FwClass FwClass of Esrt entry to get
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36 | @param[in, out] Entry Esrt entry returned
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37 |
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38 | @retval EFI_SUCCESS The variable saving this Esrt Entry exists.
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39 | @retval EF_NOT_FOUND No correct variable found.
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40 | @retval EFI_WRITE_PROTECTED ESRT Cache repository is locked
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41 |
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42 | **/
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43 | EFI_STATUS
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44 | EFIAPI
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45 | EsrtDxeGetEsrtEntry(
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46 | IN EFI_GUID *FwClass,
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47 | IN OUT EFI_SYSTEM_RESOURCE_ENTRY *Entry
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48 | )
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49 | {
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50 | EFI_STATUS Status;
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51 |
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52 | if (FwClass == NULL || Entry == NULL) {
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53 | return EFI_INVALID_PARAMETER;
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54 | }
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55 |
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56 | Status = EfiAcquireLockOrFail (&mPrivate.NonFmpLock);
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57 | if (EFI_ERROR (Status)) {
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58 | return Status;
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59 | }
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60 |
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61 | //
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62 | // Find in Non-FMP Cached Esrt Repository
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63 | //
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64 | Status = GetEsrtEntry(
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65 | FwClass,
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66 | ESRT_FROM_NONFMP,
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67 | Entry
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68 | );
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69 |
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70 | EfiReleaseLock(&mPrivate.NonFmpLock);
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71 |
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72 | if (EFI_ERROR(Status)) {
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73 | Status = EfiAcquireLockOrFail (&mPrivate.FmpLock);
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74 | if (EFI_ERROR (Status)) {
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75 | return Status;
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76 | }
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77 |
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78 | //
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79 | // Find in FMP Cached Esrt NV Variable
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80 | //
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81 | Status = GetEsrtEntry(
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82 | FwClass,
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83 | ESRT_FROM_FMP,
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84 | Entry
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85 | );
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86 |
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87 | EfiReleaseLock(&mPrivate.FmpLock);
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88 | }
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89 |
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90 | return Status;
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91 | }
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92 |
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93 | /**
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94 | Update one ESRT entry in ESRT Cache.
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95 |
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96 | @param[in] Entry Esrt entry to be updated
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97 |
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98 | @retval EFI_SUCCESS Successfully update an ESRT entry in cache.
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99 | @retval EFI_INVALID_PARAMETER Entry does't exist in ESRT Cache
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100 | @retval EFI_WRITE_PROTECTED ESRT Cache repositoy is locked
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101 |
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102 | **/
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103 | EFI_STATUS
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104 | EFIAPI
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105 | EsrtDxeUpdateEsrtEntry(
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106 | IN EFI_SYSTEM_RESOURCE_ENTRY *Entry
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107 | )
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108 | {
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109 | EFI_STATUS Status;
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110 |
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111 | if (Entry == NULL) {
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112 | return EFI_INVALID_PARAMETER;
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113 | }
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114 |
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115 | Status = EfiAcquireLockOrFail (&mPrivate.FmpLock);
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116 | if (EFI_ERROR (Status)) {
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117 | return Status;
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118 | }
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119 |
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120 | Status = UpdateEsrtEntry(Entry, ESRT_FROM_FMP);
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121 |
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122 | if (!EFI_ERROR(Status)) {
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123 | EfiReleaseLock(&mPrivate.FmpLock);
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124 | return Status;
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125 | }
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126 | EfiReleaseLock(&mPrivate.FmpLock);
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127 |
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128 |
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129 | Status = EfiAcquireLockOrFail (&mPrivate.NonFmpLock);
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130 | if (EFI_ERROR (Status)) {
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131 | return Status;
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132 | }
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133 |
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134 | Status = UpdateEsrtEntry(Entry, ESRT_FROM_NONFMP);
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135 |
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136 | EfiReleaseLock(&mPrivate.NonFmpLock);
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137 |
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138 | return Status;
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139 | }
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140 |
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141 | /**
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142 | Non-FMP instance to unregister Esrt Entry from ESRT Cache.
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143 |
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144 | @param[in] FwClass FwClass of Esrt entry to Unregister
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145 |
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146 | @retval EFI_SUCCESS Insert all entries Successfully
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147 | @retval EFI_NOT_FOUND Entry of FwClass does not exsit
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148 |
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149 | **/
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150 | EFI_STATUS
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151 | EFIAPI
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152 | EsrtDxeUnRegisterEsrtEntry(
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153 | IN EFI_GUID *FwClass
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154 | )
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155 | {
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156 | EFI_STATUS Status;
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157 |
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158 | if (FwClass == NULL) {
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159 | return EFI_INVALID_PARAMETER;
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160 | }
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161 |
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162 | Status = EfiAcquireLockOrFail (&mPrivate.NonFmpLock);
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163 | if (EFI_ERROR (Status)) {
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164 | return Status;
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165 | }
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166 |
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167 | Status = DeleteEsrtEntry(FwClass, ESRT_FROM_NONFMP);
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168 |
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169 | EfiReleaseLock(&mPrivate.NonFmpLock);
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170 |
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171 | return Status;
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172 | }
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173 |
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174 | /**
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175 | Non-FMP instance to register one ESRT entry into ESRT Cache.
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176 |
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177 | @param[in] Entry Esrt entry to be set
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178 |
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179 | @retval EFI_SUCCESS Successfully set a variable.
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180 | @retval EFI_INVALID_PARAMETER ESRT Entry is already exist
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181 | @retval EFI_OUT_OF_RESOURCES Non-FMP ESRT repository is full
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182 |
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183 | **/
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184 | EFI_STATUS
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185 | EFIAPI
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186 | EsrtDxeRegisterEsrtEntry(
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187 | IN EFI_SYSTEM_RESOURCE_ENTRY *Entry
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188 | )
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189 | {
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190 | EFI_STATUS Status;
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191 | EFI_SYSTEM_RESOURCE_ENTRY EsrtEntryTmp;
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192 |
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193 | if (Entry == NULL) {
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194 | return EFI_INVALID_PARAMETER;
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195 | }
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196 |
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197 | Status = EfiAcquireLockOrFail (&mPrivate.NonFmpLock);
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198 | if (EFI_ERROR (Status)) {
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199 | return Status;
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200 | }
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201 |
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202 | Status = GetEsrtEntry(
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203 | &Entry->FwClass,
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204 | ESRT_FROM_NONFMP,
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205 | &EsrtEntryTmp
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206 | );
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207 |
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208 | if (Status == EFI_NOT_FOUND) {
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209 | Status = InsertEsrtEntry(Entry, ESRT_FROM_NONFMP);
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210 | }
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211 |
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212 | EfiReleaseLock(&mPrivate.NonFmpLock);
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213 |
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214 | return Status;
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215 | }
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216 |
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217 | /**
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218 | This function syn up Cached ESRT with data from FMP instances
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219 | Function should be called after Connect All in order to locate all FMP protocols
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220 | installed.
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221 |
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222 | @retval EFI_SUCCESS Successfully sync cache repository from FMP instances
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223 | @retval EFI_NOT_FOUND No FMP Instance are found
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224 | @retval EFI_OUT_OF_RESOURCES Resource allocaton fail
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225 |
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226 | **/
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227 | EFI_STATUS
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228 | EFIAPI
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229 | EsrtDxeSyncFmp(
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230 | VOID
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231 | )
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232 | {
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233 | EFI_STATUS Status;
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234 | UINTN Index1;
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235 | UINTN Index2;
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236 | UINTN Index3;
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237 | EFI_HANDLE *HandleBuffer;
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238 | EFI_FIRMWARE_MANAGEMENT_PROTOCOL **FmpBuf;
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239 | UINTN NumberOfHandles;
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240 | UINTN *DescriptorSizeBuf;
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241 | EFI_FIRMWARE_IMAGE_DESCRIPTOR **FmpImageInfoBuf;
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242 | EFI_FIRMWARE_IMAGE_DESCRIPTOR *TempFmpImageInfo;
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243 | UINT8 *FmpImageInfoCountBuf;
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244 | UINT32 *FmpImageInfoDescriptorVerBuf;
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245 | UINTN ImageInfoSize;
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246 | UINT32 PackageVersion;
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247 | CHAR16 *PackageVersionName;
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248 | EFI_SYSTEM_RESOURCE_ENTRY *EsrtRepositoryNew;
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249 | UINTN EntryNumNew;
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250 |
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251 | NumberOfHandles = 0;
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252 | EntryNumNew = 0;
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253 | FmpBuf = NULL;
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254 | HandleBuffer = NULL;
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255 | FmpImageInfoBuf = NULL;
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256 | FmpImageInfoCountBuf = NULL;
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257 | PackageVersionName = NULL;
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258 | DescriptorSizeBuf = NULL;
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259 | FmpImageInfoDescriptorVerBuf = NULL;
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260 | EsrtRepositoryNew = NULL;
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261 |
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262 | //
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263 | // Get image information from all FMP protocol
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264 | //
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265 | Status = gBS->LocateHandleBuffer (
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266 | ByProtocol,
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267 | &gEfiFirmwareManagementProtocolGuid,
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268 | NULL,
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269 | &NumberOfHandles,
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270 | &HandleBuffer
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271 | );
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272 |
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273 |
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274 | if (Status == EFI_NOT_FOUND) {
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275 | EntryNumNew = 0;
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276 | goto UPDATE_REPOSITORY;
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277 | } else if (EFI_ERROR(Status)){
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278 | goto END;
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279 | }
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280 |
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281 | //
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282 | // Allocate buffer to hold new FMP ESRT Cache repository
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283 | //
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284 | EsrtRepositoryNew = AllocateZeroPool(PcdGet32(PcdMaxFmpEsrtCacheNum) * sizeof(EFI_SYSTEM_RESOURCE_ENTRY));
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285 | if (EsrtRepositoryNew == NULL) {
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286 | Status = EFI_OUT_OF_RESOURCES;
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287 | goto END;
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288 | }
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289 |
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290 | FmpBuf = AllocatePool(sizeof(EFI_FIRMWARE_MANAGEMENT_PROTOCOL *) * NumberOfHandles);
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291 | if (FmpBuf == NULL) {
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292 | Status = EFI_OUT_OF_RESOURCES;
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293 | goto END;
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294 | }
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295 |
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296 | FmpImageInfoBuf = AllocateZeroPool(sizeof(EFI_FIRMWARE_IMAGE_DESCRIPTOR *) * NumberOfHandles);
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297 | if (FmpImageInfoBuf == NULL) {
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298 | Status = EFI_OUT_OF_RESOURCES;
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299 | goto END;
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300 | }
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301 |
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302 | FmpImageInfoCountBuf = AllocateZeroPool(sizeof(UINT8) * NumberOfHandles);
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303 | if (FmpImageInfoCountBuf == NULL) {
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304 | Status = EFI_OUT_OF_RESOURCES;
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305 | goto END;
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306 | }
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307 |
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308 | DescriptorSizeBuf = AllocateZeroPool(sizeof(UINTN) * NumberOfHandles);
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309 | if (DescriptorSizeBuf == NULL) {
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310 | Status = EFI_OUT_OF_RESOURCES;
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311 | goto END;
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312 | }
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313 |
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314 | FmpImageInfoDescriptorVerBuf = AllocateZeroPool(sizeof(UINT32) * NumberOfHandles);
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315 | if (FmpImageInfoDescriptorVerBuf == NULL) {
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316 | Status = EFI_OUT_OF_RESOURCES;
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317 | goto END;
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318 | }
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319 |
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320 | //
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321 | // Get all FmpImageInfo Descriptor into FmpImageInfoBuf
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322 | //
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323 | for (Index1 = 0; Index1 < NumberOfHandles; Index1++){
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324 | Status = gBS->HandleProtocol(
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325 | HandleBuffer[Index1],
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326 | &gEfiFirmwareManagementProtocolGuid,
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327 | (VOID **)&FmpBuf[Index1]
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328 | );
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329 |
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330 | if (EFI_ERROR(Status)) {
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331 | continue;
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332 | }
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333 |
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334 | ImageInfoSize = 0;
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335 | Status = FmpBuf[Index1]->GetImageInfo (
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336 | FmpBuf[Index1],
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337 | &ImageInfoSize,
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338 | NULL,
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339 | NULL,
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340 | NULL,
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341 | NULL,
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342 | NULL,
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343 | NULL
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344 | );
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345 |
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346 | if (Status == EFI_BUFFER_TOO_SMALL) {
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347 | FmpImageInfoBuf[Index1] = AllocateZeroPool(ImageInfoSize);
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348 | if (FmpImageInfoBuf[Index1] == NULL) {
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349 | Status = EFI_OUT_OF_RESOURCES;
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350 | goto END;
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351 | }
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352 | } else {
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353 | continue;
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354 | }
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355 |
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356 | PackageVersionName = NULL;
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357 | Status = FmpBuf[Index1]->GetImageInfo (
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358 | FmpBuf[Index1],
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359 | &ImageInfoSize,
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360 | FmpImageInfoBuf[Index1],
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361 | &FmpImageInfoDescriptorVerBuf[Index1],
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362 | &FmpImageInfoCountBuf[Index1],
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363 | &DescriptorSizeBuf[Index1],
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364 | &PackageVersion,
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365 | &PackageVersionName
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366 | );
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367 |
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368 | //
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369 | // If FMP GetInformation interface failed, skip this resource
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370 | //
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371 | if (EFI_ERROR(Status)){
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372 | FmpImageInfoCountBuf[Index1] = 0;
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373 | continue;
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374 | }
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375 |
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376 | if (PackageVersionName != NULL) {
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377 | FreePool(PackageVersionName);
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378 | }
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379 | }
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380 |
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381 | //
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382 | // Create new FMP cache repository based on FmpImageInfoBuf
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383 | //
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384 | for (Index2 = 0; Index2 < NumberOfHandles; Index2++){
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385 | TempFmpImageInfo = FmpImageInfoBuf[Index2];
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386 | for (Index3 = 0; Index3 < FmpImageInfoCountBuf[Index2]; Index3++){
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387 | if ((TempFmpImageInfo->AttributesSupported & IMAGE_ATTRIBUTE_IN_USE) != 0
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388 | && (TempFmpImageInfo->AttributesSetting & IMAGE_ATTRIBUTE_IN_USE) != 0){
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389 | //
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390 | // Always put the first smallest version of Image info into ESRT cache
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391 | //
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392 | for(Index1 = 0; Index1 < EntryNumNew; Index1++) {
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393 | if (CompareGuid(&EsrtRepositoryNew[Index1].FwClass, &TempFmpImageInfo->ImageTypeId)) {
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394 | if(EsrtRepositoryNew[Index1].FwVersion > TempFmpImageInfo->Version) {
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395 | SetEsrtEntryFromFmpInfo(&EsrtRepositoryNew[Index1], TempFmpImageInfo, FmpImageInfoDescriptorVerBuf[Index2]);
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396 | }
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397 | break;
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398 | }
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399 | }
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400 | //
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401 | // New ImageTypeId can't be found in EsrtRepositoryNew. Create a new one
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402 | //
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403 | if (Index1 == EntryNumNew){
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404 | SetEsrtEntryFromFmpInfo(&EsrtRepositoryNew[EntryNumNew], TempFmpImageInfo, FmpImageInfoDescriptorVerBuf[Index2]);
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405 | EntryNumNew++;
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406 | if (EntryNumNew >= PcdGet32(PcdMaxFmpEsrtCacheNum)) {
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407 | break;
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408 | }
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409 | }
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410 | }
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411 |
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412 | //
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413 | // Use DescriptorSize to move ImageInfo Pointer to stay compatible with different ImageInfo version
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414 | //
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415 | TempFmpImageInfo = (EFI_FIRMWARE_IMAGE_DESCRIPTOR *)((UINT8 *)TempFmpImageInfo + DescriptorSizeBuf[Index2]);
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416 | }
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417 | }
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418 |
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419 | UPDATE_REPOSITORY:
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420 |
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421 | Status = EfiAcquireLockOrFail (&mPrivate.FmpLock);
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422 | if (EFI_ERROR (Status)) {
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423 | return Status;
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424 | }
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425 |
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426 | Status = gRT->SetVariable(
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427 | EFI_ESRT_FMP_VARIABLE_NAME,
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428 | &gEfiCallerIdGuid,
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429 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
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430 | EntryNumNew * sizeof(EFI_SYSTEM_RESOURCE_ENTRY),
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431 | EsrtRepositoryNew
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432 | );
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433 |
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434 | EfiReleaseLock(&mPrivate.FmpLock);
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435 |
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436 | END:
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437 | if (EsrtRepositoryNew != NULL) {
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438 | FreePool(EsrtRepositoryNew);
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439 | }
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440 |
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441 | if (HandleBuffer != NULL) {
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442 | FreePool(HandleBuffer);
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443 | }
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444 |
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445 | if (FmpBuf != NULL) {
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446 | FreePool(FmpBuf);
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447 | }
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448 |
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449 | if (FmpImageInfoCountBuf != NULL) {
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450 | FreePool(FmpImageInfoCountBuf);
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451 | }
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452 |
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453 | if (DescriptorSizeBuf != NULL) {
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454 | FreePool(DescriptorSizeBuf);
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455 | }
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456 |
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457 | if (FmpImageInfoDescriptorVerBuf != NULL) {
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458 | FreePool(FmpImageInfoDescriptorVerBuf);
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459 | }
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460 |
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461 | if (FmpImageInfoBuf != NULL) {
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462 | for (Index1 = 0; Index1 < NumberOfHandles; Index1++){
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463 | if (FmpImageInfoBuf[Index1] != NULL) {
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464 | FreePool(FmpImageInfoBuf[Index1]);
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465 | }
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466 | }
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467 | FreePool(FmpImageInfoBuf);
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468 | }
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469 |
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470 | return Status;
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471 | }
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472 |
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473 | /**
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474 | This function locks up Esrt repository to be readonly. It should be called
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475 | before gEfiEndOfDxeEventGroupGuid event signaled
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476 |
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477 | @retval EFI_SUCCESS Locks up FMP Non-FMP repository successfully
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478 |
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479 | **/
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480 | EFI_STATUS
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481 | EFIAPI
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482 | EsrtDxeLockEsrtRepository(
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483 | VOID
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484 | )
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485 | {
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486 | EFI_STATUS Status;
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487 | EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock;
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488 | //
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489 | // Mark ACPI_GLOBAL_VARIABLE variable to read-only if the Variable Lock protocol exists
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490 | //
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491 | Status = gBS->LocateProtocol (&gEdkiiVariableLockProtocolGuid, NULL, (VOID **) &VariableLock);
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492 | if (!EFI_ERROR (Status)) {
|
---|
493 | Status = VariableLock->RequestToLock (VariableLock, EFI_ESRT_FMP_VARIABLE_NAME, &gEfiCallerIdGuid);
|
---|
494 | DEBUG((EFI_D_INFO, "EsrtDxe Lock EsrtFmp Variable Status 0x%x", Status));
|
---|
495 |
|
---|
496 | Status = VariableLock->RequestToLock (VariableLock, EFI_ESRT_NONFMP_VARIABLE_NAME, &gEfiCallerIdGuid);
|
---|
497 | DEBUG((EFI_D_INFO, "EsrtDxe Lock EsrtNonFmp Variable Status 0x%x", Status));
|
---|
498 | }
|
---|
499 |
|
---|
500 | return Status;
|
---|
501 | }
|
---|
502 |
|
---|
503 | /**
|
---|
504 | Notify function for event group EFI_EVENT_GROUP_READY_TO_BOOT. This is used to
|
---|
505 | install the Esrt Table into system configuration table
|
---|
506 |
|
---|
507 | @param[in] Event The Event that is being processed.
|
---|
508 | @param[in] Context The Event Context.
|
---|
509 |
|
---|
510 | **/
|
---|
511 | VOID
|
---|
512 | EFIAPI
|
---|
513 | EsrtReadyToBootEventNotify (
|
---|
514 | IN EFI_EVENT Event,
|
---|
515 | IN VOID *Context
|
---|
516 | )
|
---|
517 | {
|
---|
518 | EFI_STATUS Status;
|
---|
519 | EFI_SYSTEM_RESOURCE_TABLE *EsrtTable;
|
---|
520 | EFI_SYSTEM_RESOURCE_ENTRY *FmpEsrtRepository;
|
---|
521 | EFI_SYSTEM_RESOURCE_ENTRY *NonFmpEsrtRepository;
|
---|
522 | UINTN FmpRepositorySize;
|
---|
523 | UINTN NonFmpRepositorySize;
|
---|
524 |
|
---|
525 |
|
---|
526 | FmpEsrtRepository = NULL;
|
---|
527 | NonFmpEsrtRepository = NULL;
|
---|
528 | FmpRepositorySize = 0;
|
---|
529 | NonFmpRepositorySize = 0;
|
---|
530 |
|
---|
531 | Status = EfiAcquireLockOrFail (&mPrivate.NonFmpLock);
|
---|
532 | if (EFI_ERROR (Status)) {
|
---|
533 | return;
|
---|
534 | }
|
---|
535 |
|
---|
536 | Status = GetVariable2 (
|
---|
537 | EFI_ESRT_NONFMP_VARIABLE_NAME,
|
---|
538 | &gEfiCallerIdGuid,
|
---|
539 | (VOID **) &NonFmpEsrtRepository,
|
---|
540 | &NonFmpRepositorySize
|
---|
541 | );
|
---|
542 |
|
---|
543 | if (EFI_ERROR(Status)) {
|
---|
544 | NonFmpRepositorySize = 0;
|
---|
545 | }
|
---|
546 |
|
---|
547 | if (NonFmpRepositorySize % sizeof(EFI_SYSTEM_RESOURCE_ENTRY) != 0) {
|
---|
548 | DEBUG((EFI_D_ERROR, "NonFmp Repository Corrupt. Need to rebuild NonFmp Repository.\n"));
|
---|
549 | NonFmpRepositorySize = 0;
|
---|
550 | }
|
---|
551 |
|
---|
552 | EfiReleaseLock(&mPrivate.NonFmpLock);
|
---|
553 |
|
---|
554 | Status = EfiAcquireLockOrFail (&mPrivate.FmpLock);
|
---|
555 | Status = GetVariable2 (
|
---|
556 | EFI_ESRT_FMP_VARIABLE_NAME,
|
---|
557 | &gEfiCallerIdGuid,
|
---|
558 | (VOID **) &FmpEsrtRepository,
|
---|
559 | &FmpRepositorySize
|
---|
560 | );
|
---|
561 |
|
---|
562 | if (EFI_ERROR(Status)) {
|
---|
563 | FmpRepositorySize = 0;
|
---|
564 | }
|
---|
565 |
|
---|
566 | if (FmpRepositorySize % sizeof(EFI_SYSTEM_RESOURCE_ENTRY) != 0) {
|
---|
567 | DEBUG((EFI_D_ERROR, "Fmp Repository Corrupt. Need to rebuild Fmp Repository.\n"));
|
---|
568 | FmpRepositorySize = 0;
|
---|
569 | }
|
---|
570 |
|
---|
571 | EfiReleaseLock(&mPrivate.FmpLock);
|
---|
572 |
|
---|
573 | //
|
---|
574 | // Skip ESRT table publish if no ESRT entry exists
|
---|
575 | //
|
---|
576 | if (NonFmpRepositorySize + FmpRepositorySize == 0) {
|
---|
577 | goto EXIT;
|
---|
578 | }
|
---|
579 |
|
---|
580 | EsrtTable = AllocatePool(sizeof(EFI_SYSTEM_RESOURCE_TABLE) + NonFmpRepositorySize + FmpRepositorySize);
|
---|
581 | if (EsrtTable == NULL) {
|
---|
582 | DEBUG ((EFI_D_ERROR, "Esrt table memory allocation failure\n"));
|
---|
583 | goto EXIT;
|
---|
584 | }
|
---|
585 |
|
---|
586 | EsrtTable->FwResourceVersion = EFI_SYSTEM_RESOURCE_TABLE_FIRMWARE_RESOURCE_VERSION;
|
---|
587 | EsrtTable->FwResourceCount = (UINT32)((NonFmpRepositorySize + FmpRepositorySize) / sizeof(EFI_SYSTEM_RESOURCE_ENTRY));
|
---|
588 | EsrtTable->FwResourceCountMax = PcdGet32(PcdMaxNonFmpEsrtCacheNum) + PcdGet32(PcdMaxFmpEsrtCacheNum);
|
---|
589 |
|
---|
590 | if (NonFmpRepositorySize != 0 && NonFmpEsrtRepository != NULL) {
|
---|
591 | CopyMem(EsrtTable + 1, NonFmpEsrtRepository, NonFmpRepositorySize);
|
---|
592 | }
|
---|
593 |
|
---|
594 | if (FmpRepositorySize != 0 && FmpEsrtRepository != NULL) {
|
---|
595 | CopyMem((UINT8 *)(EsrtTable + 1) + NonFmpRepositorySize, FmpEsrtRepository, FmpRepositorySize);
|
---|
596 | }
|
---|
597 |
|
---|
598 | //
|
---|
599 | // Publish Esrt to system config table
|
---|
600 | //
|
---|
601 | Status = gBS->InstallConfigurationTable (&gEfiSystemResourceTableGuid, EsrtTable);
|
---|
602 |
|
---|
603 | //
|
---|
604 | // Only one successful install
|
---|
605 | //
|
---|
606 | gBS->CloseEvent(Event);
|
---|
607 |
|
---|
608 | EXIT:
|
---|
609 |
|
---|
610 | if (FmpEsrtRepository != NULL) {
|
---|
611 | FreePool(FmpEsrtRepository);
|
---|
612 | }
|
---|
613 |
|
---|
614 | if (NonFmpEsrtRepository != NULL) {
|
---|
615 | FreePool(NonFmpEsrtRepository);
|
---|
616 | }
|
---|
617 | }
|
---|
618 |
|
---|
619 | /**
|
---|
620 | The module Entry Point of the Esrt DXE driver that manages cached ESRT repository
|
---|
621 | & publishes ESRT table
|
---|
622 |
|
---|
623 | @param[in] ImageHandle The firmware allocated handle for the EFI image.
|
---|
624 | @param[in] SystemTable A pointer to the EFI System Table.
|
---|
625 |
|
---|
626 | @retval EFI_SUCCESS The entry point is executed successfully.
|
---|
627 | @retval Other Some error occurs when executing this entry point.
|
---|
628 |
|
---|
629 | **/
|
---|
630 | EFI_STATUS
|
---|
631 | EFIAPI
|
---|
632 | EsrtDxeEntryPoint (
|
---|
633 | IN EFI_HANDLE ImageHandle,
|
---|
634 | IN EFI_SYSTEM_TABLE *SystemTable
|
---|
635 | )
|
---|
636 | {
|
---|
637 | EFI_STATUS Status;
|
---|
638 |
|
---|
639 | EfiInitializeLock (&mPrivate.FmpLock, TPL_CALLBACK);
|
---|
640 | EfiInitializeLock (&mPrivate.NonFmpLock, TPL_CALLBACK);
|
---|
641 |
|
---|
642 | //
|
---|
643 | // Install Esrt management Protocol
|
---|
644 | //
|
---|
645 | Status = gBS->InstallMultipleProtocolInterfaces (
|
---|
646 | &mPrivate.Handle,
|
---|
647 | &gEsrtManagementProtocolGuid,
|
---|
648 | &mEsrtManagementProtocolTemplate,
|
---|
649 | NULL
|
---|
650 | );
|
---|
651 | ASSERT_EFI_ERROR (Status);
|
---|
652 |
|
---|
653 | //
|
---|
654 | // Register notify function to install Esrt Table on ReadyToBoot Event.
|
---|
655 | //
|
---|
656 | Status = gBS->CreateEventEx (
|
---|
657 | EVT_NOTIFY_SIGNAL,
|
---|
658 | TPL_CALLBACK,
|
---|
659 | EsrtReadyToBootEventNotify,
|
---|
660 | NULL,
|
---|
661 | &gEfiEventReadyToBootGuid,
|
---|
662 | &mPrivate.Event
|
---|
663 | );
|
---|
664 | ASSERT_EFI_ERROR (Status);
|
---|
665 |
|
---|
666 | return EFI_SUCCESS;
|
---|
667 | }
|
---|