Add sources for lesson 60

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

3 files changed, 191 insertions, 0 deletions

diff --git a/Lessons/Lesson_60/UefiLessonsPkg.dsc b/Lessons/Lesson_60/UefiLessonsPkg.dsc
new file mode 100644
index 0000000..b33c87d
--- /dev/null
+++ b/Lessons/Lesson_60/UefiLessonsPkg.dsc
@@ -0,0 +1,83 @@
+##
+# 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
+  UefiLessonsPkg/HIISimpleForm/HIISimpleForm.inf
+  UefiLessonsPkg/HIIStaticForm/HIIStaticForm.inf
+  UefiLessonsPkg/HIIStaticFormDriver/HIIStaticFormDriver.inf
+  UefiLessonsPkg/DisplayHIIByGuid/DisplayHIIByGuid.inf
+  UefiLessonsPkg/SetVariableExample/SetVariableExample.inf
+
+[PcdsFixedAtBuild]
+  gUefiLessonsPkgTokenSpaceGuid.PcdMyVar32_2|44
+
diff --git a/Lessons/Lesson_60/UefiLessonsPkg/SetVariableExample/SetVariableExample.c b/Lessons/Lesson_60/UefiLessonsPkg/SetVariableExample/SetVariableExample.c
new file mode 100644
index 0000000..9c99e52
--- /dev/null
+++ b/Lessons/Lesson_60/UefiLessonsPkg/SetVariableExample/SetVariableExample.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2021, Konstantin Aladyshev <aladyshev22@gmail.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/UefiLib.h>
+
+
+VOID Usage()
+{
+  Print(L"Delete variable\n");
+  Print(L"   SetVariableExample <variable name>\n");
+  Print(L"\n");
+  Print(L"Set variable\n");
+  Print(L"   SetVariableExample <variable name> <attributes> <value>\n");
+  Print(L"\n");
+  Print(L"<attributes> can be <n|b|r>\n");
+  Print(L"n - NON_VOLATILE\n");
+  Print(L"b - BOOTSERVICE_ACCESS\n");
+  Print(L"r - RUNTIME_ACCESS\n");
+}
+
+INTN EFIAPI ShellAppMain(IN UINTN Argc, IN CHAR16 **Argv)
+{
+  EFI_STATUS Status;
+
+  if (Argc==2) {
+    CHAR16* VariableName = Argv[1];
+    Status = gRT->SetVariable (
+                VariableName,
+                &gEfiCallerIdGuid,
+                0,
+                0,
+                NULL
+                );
+    if (EFI_ERROR (Status)) {
+      Print(L"%r\n", Status);
+    } else {
+      Print(L"Variable %s was successfully deleted\n", VariableName);
+    }
+    return Status;
+  } else if (Argc==4) {
+    CHAR16* VariableName = Argv[1];
+    CHAR16* AttributesStr = Argv[2];
+    CHAR16* Value = Argv[3];
+    UINT32  Attributes = 0;
+    for (UINTN i=0; i<StrLen(AttributesStr); i++) {
+      switch(AttributesStr[i]) {
+        case L'n':
+          Attributes |= EFI_VARIABLE_NON_VOLATILE;
+          break;
+        case L'b':
+          Attributes |= EFI_VARIABLE_BOOTSERVICE_ACCESS;
+          break;
+        case L'r':
+          Attributes |= EFI_VARIABLE_RUNTIME_ACCESS;
+          break;
+        default:
+          Print(L"Error! Unknown attribute!");
+          return EFI_INVALID_PARAMETER;
+      }
+    }
+    Status = gRT->SetVariable (
+                VariableName,
+                &gEfiCallerIdGuid,
+                Attributes,
+                StrSize(Value),
+                Value
+                );
+    if (EFI_ERROR (Status)) {
+      Print(L"%r\n", Status);
+    } else {
+      Print(L"Variable %s was successfully changed\n", VariableName);
+    }
+    return Status;
+  } else {
+    Usage();
+  }
+
+  return EFI_SUCCESS;
+}
diff --git a/Lessons/Lesson_60/UefiLessonsPkg/SetVariableExample/SetVariableExample.inf b/Lessons/Lesson_60/UefiLessonsPkg/SetVariableExample/SetVariableExample.inf
new file mode 100644
index 0000000..948e49a
--- /dev/null
+++ b/Lessons/Lesson_60/UefiLessonsPkg/SetVariableExample/SetVariableExample.inf
@@ -0,0 +1,24 @@
+##
+# Copyright (c) 2021, Konstantin Aladyshev <aladyshev22@gmail.com>
+#
+# SPDX-License-Identifier: MIT
+##
+
+[Defines]
+  INF_VERSION                    = 1.25
+  BASE_NAME                      = SetVariableExample
+  FILE_GUID                      = bb2a829f-7943-4691-a03a-f1f48519d7e6
+  MODULE_TYPE                    = UEFI_APPLICATION
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = ShellCEntryLib 
+
+[Sources]
+  SetVariableExample.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+
+[LibraryClasses]
+  UefiApplicationEntryPoint
+  UefiLib
+  ShellCEntryLib