2 files changed, 139 insertions, 0 deletions
diff --git a/Lessons/Lesson_25/UefiLessonsPkg/PCDLesson/PCDLesson.c b/Lessons/Lesson_25/UefiLessonsPkg/PCDLesson/PCDLesson.c
new file mode 100644
index 0000000..0fca03d
--- /dev/null
+++ b/Lessons/Lesson_25/UefiLessonsPkg/PCDLesson/PCDLesson.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2021, Konstantin Aladyshev <aladyshev22@gmail.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+
+#include <Library/DevicePathLib.h>
+#include <Library/PcdLib.h>
+
+EFI_STATUS
+EFIAPI
+UefiMain (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  Print(L"PcdInt8=0x%x\n", FixedPcdGet8(PcdInt8));
+  Print(L"PcdInt16=0x%x\n", FixedPcdGet16(PcdInt16));
+  Print(L"PcdInt32=0x%x\n", FixedPcdGet32(PcdInt32));
+  Print(L"PcdInt64=0x%x\n", FixedPcdGet64(PcdInt64));
+  Print(L"PcdBool=0x%x\n", FixedPcdGetBool(PcdBool));
+  Print(L"PcdInt8=0x%x\n", PcdGet8(PcdInt8));
+  Print(L"PcdInt16=0x%x\n", PcdGet16(PcdInt16));
+  Print(L"PcdInt32=0x%x\n", PcdGet32(PcdInt32));
+  Print(L"PcdInt64=0x%x\n", PcdGet64(PcdInt64));
+  Print(L"PcdIntBool=0x%x\n", PcdGetBool(PcdBool));
+
+  Print(L"PcdAsciiStr=%a\n", FixedPcdGetPtr(PcdAsciiStr));
+  Print(L"PcdAsciiStrSize=%d\n", FixedPcdGetSize(PcdAsciiStr));
+  Print(L"PcdUCS2Str=%s\n", PcdGetPtr(PcdUCS2Str));
+  Print(L"PcdUCS2StrSize=%d\n", PcdGetSize(PcdUCS2Str));
+
+  for (UINTN i=0; i<FixedPcdGetSize(PcdArray); i++) {
+    Print(L"PcdArray[%d]=0x%02x\n", i, ((UINT8*)FixedPcdGetPtr(PcdArray))[i]);
+  }
+
+  Print(L"PcdGuidInBytes=%g\n", *(EFI_GUID*)FixedPcdGetPtr(PcdGuidInBytes));
+  Print(L"PcdGuid=%g\n", *(EFI_GUID*)FixedPcdGetPtr(PcdGuid));
+
+  Print(L"PcdDevicePath: %s\n", ConvertDevicePathToText((EFI_DEVICE_PATH_PROTOCOL*) FixedPcdGetPtr(PcdDevicePath), FALSE, FALSE));
+//-------
+  Print(L"PcdInt32Override=%d\n", FixedPcdGet32(PcdInt32Override));
+//-------
+  Print(L"PcdFeatureFlag=%d\n", FeaturePcdGet(PcdFeatureFlag));
+  Print(L"PcdFeatureFlag=%d\n", PcdGetBool(PcdFeatureFlag));
+  Print(L"PcdBool=%d\n", FixedPcdGetBool(PcdBool));
+  Print(L"PcdBool=%d\n", PcdGetBool(PcdBool));
+//-------
+  Print(L"PcdPatchableInt32=0x%x\n", PatchPcdGet32(PcdPatchableInt32));
+  Print(L"PcdPatchableInt32=0x%x\n", PcdGet32(PcdPatchableInt32));
+  PatchPcdSet32(PcdPatchableInt32, 43);
+  Print(L"PcdPatchableInt32=%d\n", PatchPcdGet32(PcdPatchableInt32));
+  EFI_STATUS Status = PcdSet32S(PcdPatchableInt32, 44);
+  Print(L"Status=%r\n", Status);
+  Print(L"PcdPatchableInt32=%d\n", PatchPcdGet32(PcdPatchableInt32));
+//-------
+  Print(L"PcdDynamicInt32=0x%x\n", PcdGet32(PcdDynamicInt32));
+  PcdSet32S(PcdDynamicInt32, 0xBEEFBEEF);
+  Print(L"PcdDynamicInt32=0x%x\n", PcdGet32(PcdDynamicInt32));
+
+  Print(L"PcdDynamicExInt32=%x\n", PcdGetEx32(&gUefiLessonsPkgTokenSpaceGuid, PcdDynamicExInt32));
+  PcdSetEx32S(&gUefiLessonsPkgTokenSpaceGuid, PcdDynamicExInt32, 0x77777777);
+  Print(L"PcdDynamicExInt32=%x\n", PcdGetEx32(&gUefiLessonsPkgTokenSpaceGuid, PcdDynamicExInt32));
+  return EFI_SUCCESS;
+}
diff --git a/Lessons/Lesson_25/UefiLessonsPkg/PCDLesson/PCDLesson.inf b/Lessons/Lesson_25/UefiLessonsPkg/PCDLesson/PCDLesson.inf
new file mode 100644
index 0000000..4bc872f
--- /dev/null
+++ b/Lessons/Lesson_25/UefiLessonsPkg/PCDLesson/PCDLesson.inf
@@ -0,0 +1,71 @@
+##
+# Copyright (c) 2021, Konstantin Aladyshev <aladyshev22@gmail.com>
+#
+# SPDX-License-Identifier: MIT
+##
+
+[Defines]
+  INF_VERSION                    = 1.25
+  BASE_NAME                      = PCDLesson
+  FILE_GUID                      = 8c1a6b71-0c4b-4497-aaad-07404edf142c
+  MODULE_TYPE                    = UEFI_APPLICATION
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = UefiMain
+
+[Sources]
+  PCDLesson.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  UefiLessonsPkg/UefiLessonsPkg.dec
+
+[LibraryClasses]
+  UefiApplicationEntryPoint
+  UefiLib
+
+[FixedPcd]
+  gUefiLessonsPkgTokenSpaceGuid.PcdInt8
+  gUefiLessonsPkgTokenSpaceGuid.PcdInt16
+  gUefiLessonsPkgTokenSpaceGuid.PcdInt32
+  gUefiLessonsPkgTokenSpaceGuid.PcdInt64
+  gUefiLessonsPkgTokenSpaceGuid.PcdBool
+  gUefiLessonsPkgTokenSpaceGuid.PcdExpression
+  gUefiLessonsPkgTokenSpaceGuid.PcdExpression_1
+  gUefiLessonsPkgTokenSpaceGuid.PcdExpression_2
+  gUefiLessonsPkgTokenSpaceGuid.PcdExpression_3
+  gUefiLessonsPkgTokenSpaceGuid.PcdAsciiStr
+  gUefiLessonsPkgTokenSpaceGuid.PcdUCS2Str
+  gUefiLessonsPkgTokenSpaceGuid.PcdArray
+  gUefiLessonsPkgTokenSpaceGuid.PcdGuidInBytes
+  gUefiLessonsPkgTokenSpaceGuid.PcdGuid
+  gUefiLessonsPkgTokenSpaceGuid.PcdGuidByPCD
+  gUefiLessonsPkgTokenSpaceGuid.PcdGuidByEfiGuid
+  gUefiLessonsPkgTokenSpaceGuid.PcdDevicePath
+  gUefiLessonsPkgTokenSpaceGuid.PcdIntCasts
+  gUefiLessonsPkgTokenSpaceGuid.PcdWithLabels
+  gUefiLessonsPkgTokenSpaceGuid.PcdArrayExt
+  gUefiLessonsPkgTokenSpaceGuid.PcdCustomStruct
+  gUefiLessonsPkgTokenSpaceGuid.PcdCustomStruct_1
+  gUefiLessonsPkgTokenSpaceGuid.PcdArrayWithFixedSize
+  gUefiLessonsPkgTokenSpaceGuid.PcdArrayWithFixedSize_1
+  gUefiLessonsPkgTokenSpaceGuid.PcdArrayWithFixedSize_2
+  gUefiLessonsPkgTokenSpaceGuid.PcdArrayWithFixedSize_3
+  gUefiLessonsPkgTokenSpaceGuid.PcdArrayWithFixedSize_4
+
+  gUefiLessonsPkgTokenSpaceGuid.PcdInt32Override|43
+
+  gUefiLessonsPkgTokenSpaceGuid.Region1Offset
+  gUefiLessonsPkgTokenSpaceGuid.Region1Size
+
+[FeaturePcd]
+  gUefiLessonsPkgTokenSpaceGuid.PcdFeatureFlag
+
+[PatchPcd]
+  gUefiLessonsPkgTokenSpaceGuid.PcdPatchableInt32
+
+[Pcd]
+  gUefiLessonsPkgTokenSpaceGuid.PcdDynamicInt32
+
+[PcdEx]
+  gUefiLessonsPkgTokenSpaceGuid.PcdDynamicExInt32
+