Add lesson 55

Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>

4 files changed, 221 insertions, 0 deletions

diff --git a/Lessons/Lesson_55/UefiLessonsPkg/AddNewLanguage/AddNewLanguage.c b/Lessons/Lesson_55/UefiLessonsPkg/AddNewLanguage/AddNewLanguage.c
new file mode 100644
index 0000000..cd4920d
--- /dev/null
+++ b/Lessons/Lesson_55/UefiLessonsPkg/AddNewLanguage/AddNewLanguage.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2021, Konstantin Aladyshev <aladyshev22@gmail.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+
+#include <Library/MemoryAllocationLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Protocol/VariablePolicy.h>
+
+
+EFI_STATUS
+EFIAPI
+UefiMain (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  EFI_STATUS Status;
+
+  CHAR8* LanguageString;
+  Status = GetEfiGlobalVariable2(L"PlatformLangCodes", (VOID**)&LanguageString, NULL);
+  if (EFI_ERROR(Status)) {
+    Print(L"Error! Can't perform GetEfiGlobalVariable2, status=%r\n", Status);
+    return Status;
+  }
+  Print(L"Current value of the 'PlatformLangCodes' variable is '%a'\n", LanguageString);
+
+  CHAR8* NewLanguageString = AllocatePool(AsciiStrLen(LanguageString) + AsciiStrSize(";ru-RU"));
+  if (NewLanguageString == NULL) {
+    Print(L"Error! Can't allocate size for new PlatformLangCodes variable\n");
+    FreePool(LanguageString);
+    return EFI_OUT_OF_RESOURCES;
+  }
+
+  CopyMem(NewLanguageString, LanguageString, AsciiStrLen(LanguageString));
+  CopyMem(&NewLanguageString[AsciiStrLen(LanguageString)], ";ru-RU", AsciiStrSize(";ru-RU"));
+
+  Print(L"Set 'PlatformLangCodes' variable to '%a'\n", NewLanguageString);
+
+  Status = gRT->SetVariable (
+                L"PlatformLangCodes",
+                &gEfiGlobalVariableGuid,
+                EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
+                AsciiStrSize(NewLanguageString),
+                NewLanguageString
+                );
+  if (EFI_ERROR(Status)) {
+    Print(L"Error! Can't set PlatformLangCodes variable, status=%r\n", Status);
+  }
+
+  EDKII_VARIABLE_POLICY_PROTOCOL* VariablePolicyProtocol;
+  Status = gBS->LocateProtocol(&gEdkiiVariablePolicyProtocolGuid,
+                               NULL,
+                               (VOID**)&VariablePolicyProtocol);
+  if (EFI_ERROR(Status)) {
+    Print(L"Error! Could not find Variable Policy protocol: %r\n", Status);
+    return Status;
+  }
+  Status = VariablePolicyProtocol->DisableVariablePolicy();
+  if (EFI_ERROR(Status)) {
+    Print(L"Error! Can't disable VariablePolicy: %r\n", Status);
+    return Status;
+  }
+
+  return EFI_SUCCESS;
+}
diff --git a/Lessons/Lesson_55/UefiLessonsPkg/AddNewLanguage/AddNewLanguage.inf b/Lessons/Lesson_55/UefiLessonsPkg/AddNewLanguage/AddNewLanguage.inf
new file mode 100644
index 0000000..1a34438
--- /dev/null
+++ b/Lessons/Lesson_55/UefiLessonsPkg/AddNewLanguage/AddNewLanguage.inf
@@ -0,0 +1,27 @@
+##
+# Copyright (c) 2021, Konstantin Aladyshev <aladyshev22@gmail.com>
+#
+# SPDX-License-Identifier: MIT
+##
+
+[Defines]
+  INF_VERSION                    = 1.25
+  BASE_NAME                      = AddNewLanguage
+  FILE_GUID                      = 6790e268-0762-4ce8-8999-2ff2131e6512
+  MODULE_TYPE                    = UEFI_APPLICATION
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = UefiMain
+
+[Sources]
+  AddNewLanguage.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+  UefiApplicationEntryPoint
+  UefiLib
+
+[Protocols]
+  gEdkiiVariablePolicyProtocolGuid
diff --git a/Lessons/Lesson_55/UefiLessonsPkg/UefiLessonsPkg.dec b/Lessons/Lesson_55/UefiLessonsPkg/UefiLessonsPkg.dec
new file mode 100644
index 0000000..40b351c
--- /dev/null
+++ b/Lessons/Lesson_55/UefiLessonsPkg/UefiLessonsPkg.dec
@@ -0,0 +1,45 @@
+##
+# Copyright (c) 2021, Konstantin Aladyshev <aladyshev22@gmail.com>
+#
+# SPDX-License-Identifier: MIT
+##
+
+[Defines]

+  DEC_SPECIFICATION              = 0x00010005

+  PACKAGE_NAME                   = UefiLessonsPkg

+  PACKAGE_GUID                   = 7e7edbba-ca2c-4177-a3f0-d3371358773a

+  PACKAGE_VERSION                = 1.01

+

+[Includes]

+  Include

+

+[Guids]

+  # FILE_GUID as defined in UefiLessonsPkg/HelloWorld/HelloWorld.inf

+  gHelloWorldFileGuid            = {0x2e55fa38, 0xf148, 0x42d3, {0xaf, 0x90, 0x1b, 0xe2, 0x47, 0x32, 0x3e, 0x30}}

+  gUefiLessonsPkgTokenSpaceGuid = {0x150cab53, 0xad47, 0x4385, {0xb5, 0xdd, 0xbc, 0xfc, 0x76, 0xba, 0xca, 0xf0}}

+  gHIIStringsCGuid = { 0x8e0b8ed3, 0x14f7, 0x499d, { 0xa2, 0x24, 0xae, 0xe8, 0x9d, 0xc9, 0x7f, 0xa3 }}

+  gHIIStringsUNIGuid = { 0x6ee19058, 0x0fe2, 0x44ed, { 0x89, 0x1c, 0xa5, 0xd7, 0xe1, 0x08, 0xee, 0x1a }}

+  gHIIStringsUNIRCGuid = { 0x785693b4, 0x623e, 0x40fa, { 0x9a, 0x45, 0x68, 0xda, 0x38, 0x30, 0x89, 0xdd }}

+  gHIIAddRussianFontGuid = { 0x9fe2f616, 0x323c, 0x45a7, { 0x87, 0xa2, 0xdf, 0xef, 0xf5, 0x17, 0xcc, 0x66 }}

+

+[Protocols]

+  gSimpleClassProtocolGuid = { 0xb5510eea, 0x6f11, 0x4e4b, { 0xad, 0x0f, 0x35, 0xce, 0x17, 0xbd, 0x7a, 0x67 }}

+

+[PcdsFixedAtBuild]

+  gUefiLessonsPkgTokenSpaceGuid.PcdMyVar32|42|UINT32|0x00000001

+  gUefiLessonsPkgTokenSpaceGuid.PcdMyVar32_1|42|UINT32|0x00000002

+  gUefiLessonsPkgTokenSpaceGuid.PcdMyVar32_2|42|UINT32|0x00000003

+  gUefiLessonsPkgTokenSpaceGuid.PcdMyVarBool|FALSE|BOOLEAN|0x00000004

+

+[PcdsPatchableInModule]

+  gUefiLessonsPkgTokenSpaceGuid.PcdMyPatchableVar32|0x31313131|UINT32|0x10000001

+

+[PcdsFeatureFlag]

+  gUefiLessonsPkgTokenSpaceGuid.PcdMyFeatureFlagVar|FALSE|BOOLEAN|0x20000001

+

+[PcdsDynamic]

+  gUefiLessonsPkgTokenSpaceGuid.PcdMyDynamicVar32|0x38323232|UINT32|0x30000001

+  gUefiLessonsPkgTokenSpaceGuid.PcdMyDynamicVar32_1|42|UINT32|0x30000002

+

+[PcdsDynamicEx]

+  gUefiLessonsPkgTokenSpaceGuid.PcdMyDynamicExVar32|0x38333333|UINT32|0x40000001

diff --git a/Lessons/Lesson_55/UefiLessonsPkg/UefiLessonsPkg.dsc b/Lessons/Lesson_55/UefiLessonsPkg/UefiLessonsPkg.dsc
new file mode 100644
index 0000000..85ea19a
--- /dev/null
+++ b/Lessons/Lesson_55/UefiLessonsPkg/UefiLessonsPkg.dsc
@@ -0,0 +1,78 @@
+##
+# Copyright (c) 2021, Konstantin Aladyshev <aladyshev22@gmail.com>
+#
+# SPDX-License-Identifier: MIT
+##
+
+[Defines]
+  DSC_SPECIFICATION              = 0x0001001C
+  PLATFORM_GUID                  = 3db7270f-ffac-4139-90a4-0ae68f3f8167
+  PLATFORM_VERSION               = 0.01
+  PLATFORM_NAME                  = UefiLessonsPkg
+  SKUID_IDENTIFIER               = DEFAULT
+  SUPPORTED_ARCHITECTURES        = X64
+  BUILD_TARGETS                  = RELEASE
+
+
+[LibraryClasses]
+  UefiApplicationEntryPoint|MdePkg/Library/UefiApplicationEntryPoint/UefiApplicationEntryPoint.inf
+  UefiBootServicesTableLib|MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.inf
+  DebugLib|MdePkg/Library/UefiDebugLibConOut/UefiDebugLibConOut.inf
+  BaseLib|MdePkg/Library/BaseLib/BaseLib.inf
+  #PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
+  PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf
+  BaseMemoryLib|MdePkg/Library/BaseMemoryLib/BaseMemoryLib.inf
+  RegisterFilterLib|MdePkg/Library/RegisterFilterLibNull/RegisterFilterLibNull.inf
+  PrintLib|MdePkg/Library/BasePrintLib/BasePrintLib.inf
+  DebugPrintErrorLevelLib|MdePkg/Library/BaseDebugPrintErrorLevelLib/BaseDebugPrintErrorLevelLib.inf
+  UefiLib|MdePkg/Library/UefiLib/UefiLib.inf
+  MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
+  DevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
+  UefiRuntimeServicesTableLib|MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.inf
+  ShellCEntryLib|ShellPkg/Library/UefiShellCEntryLib/UefiShellCEntryLib.inf
+  ShellLib|ShellPkg/Library/UefiShellLib/UefiShellLib.inf
+  FileHandleLib|MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.inf  
+  HiiLib|MdeModulePkg/Library/UefiHiiLib/UefiHiiLib.inf
+  SortLib|MdeModulePkg/Library/UefiSortLib/UefiSortLib.inf
+  UefiHiiServicesLib|MdeModulePkg/Library/UefiHiiServicesLib/UefiHiiServicesLib.inf
+  UefiDriverEntryPoint|MdePkg/Library/UefiDriverEntryPoint/UefiDriverEntryPoint.inf
+  #SimpleLibrary|UefiLessonsPkg/Library/SimpleLibrary/SimpleLibrary.inf
+  #SimpleLibrary|UefiLessonsPkg/Library/SimpleLibraryWithConstructor/SimpleLibraryWithConstructor.inf
+  SimpleLibrary|UefiLessonsPkg/Library/SimpleLibraryWithConstructorAndDestructor/SimpleLibraryWithConstructorAndDestructor.inf
+
+[Components]
+  UefiLessonsPkg/SimplestApp/SimplestApp.inf
+  UefiLessonsPkg/HelloWorld/HelloWorld.inf
+  UefiLessonsPkg/ImageHandle/ImageHandle.inf
+  UefiLessonsPkg/ImageInfo/ImageInfo.inf
+  UefiLessonsPkg/MemoryInfo/MemoryInfo.inf
+  UefiLessonsPkg/SimpleShellApp/SimpleShellApp.inf
+  UefiLessonsPkg/ListVariables/ListVariables.inf
+  UefiLessonsPkg/ShowBootVariables/ShowBootVariables.inf
+  UefiLessonsPkg/InteractiveApp/InteractiveApp.inf
+  UefiLessonsPkg/PCDLesson/PCDLesson.inf
+  UefiLessonsPkg/SmbiosInfo/SmbiosInfo.inf
+  UefiLessonsPkg/ShowTables/ShowTables.inf
+  UefiLessonsPkg/AcpiInfo/AcpiInfo.inf
+  UefiLessonsPkg/SaveBGRT/SaveBGRT.inf
+  UefiLessonsPkg/ListPCI/ListPCI.inf
+  UefiLessonsPkg/SimpleDriver/SimpleDriver.inf
+  UefiLessonsPkg/PCIRomInfo/PCIRomInfo.inf
+  UefiLessonsPkg/Library/SimpleLibrary/SimpleLibrary.inf
+  UefiLessonsPkg/Library/SimpleLibraryWithConstructor/SimpleLibraryWithConstructor.inf
+  UefiLessonsPkg/SimpleLibraryUser/SimpleLibraryUser.inf
+  UefiLessonsPkg/SimpleClassProtocol/SimpleClassProtocol.inf
+  UefiLessonsPkg/SimpleClassUser/SimpleClassUser.inf
+  UefiLessonsPkg/HotKeyDriver/HotKeyDriver.inf
+  UefiLessonsPkg/ShowHII/ShowHII.inf
+  UefiLessonsPkg/HIIStringsC/HIIStringsC.inf
+  UefiLessonsPkg/HIIStringsUNI/HIIStringsUNI.inf
+  UefiLessonsPkg/HIIStringsUNIRC/HIIStringsUNIRC.inf
+  UefiLessonsPkg/HIIStringsMan/HIIStringsMan.inf
+  UefiLessonsPkg/HIIAddRussianFont/HIIAddRussianFont.inf
+  UefiLessonsPkg/HIIAddLocalization/HIIAddLocalization.inf
+  UefiLessonsPkg/AddNewLanguage/AddNewLanguage.inf
+
+[PcdsFixedAtBuild]
+  gUefiLessonsPkgTokenSpaceGuid.PcdMyVar32_2|44
+