2 files changed, 82 insertions, 0 deletions
diff --git a/UefiLessonsPkg/PCDLesson/PCDLesson.c b/UefiLessonsPkg/PCDLesson/PCDLesson.c
new file mode 100644
index 0000000..03be437
--- /dev/null
+++ b/UefiLessonsPkg/PCDLesson/PCDLesson.c
@@ -0,0 +1,43 @@
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+
+#include <Library/PcdLib.h>
+
+EFI_STATUS
+EFIAPI
+UefiMain (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  Print(L"PcdMyVar32=%d\n", FixedPcdGet32(PcdMyVar32));
+  Print(L"PcdMyVar32_1=%d\n", FixedPcdGet32(PcdMyVar32_1));
+  Print(L"PcdMyVar32_2=%d\n", FixedPcdGet32(PcdMyVar32_2));
+
+  Print(L"PcdMyVar32=%d\n", PcdGet32(PcdMyVar32));
+
+  Print(L"PcdMyPatchableVar32=%d\n", PcdGet32(PcdMyPatchableVar32));
+  EFI_STATUS Status = PcdSet32S(PcdMyPatchableVar32, 44);
+  Print(L"Status=%r\n", Status);
+  Print(L"PcdMyPatchableVar32=%d\n", PcdGet32(PcdMyPatchableVar32));
+  PatchPcdSet32(PcdMyPatchableVar32, 45);
+  Print(L"PcdMyPatchableVar32=%d\n", PatchPcdGet32(PcdMyPatchableVar32));
+
+
+  Print(L"PcdMyFeatureFlagVar=%d\n", FeaturePcdGet(PcdMyFeatureFlagVar));
+  Print(L"PcdMyFeatureFlagVar=%d\n", PcdGetBool(PcdMyFeatureFlagVar));
+  Print(L"PcdMyVarBool=%d\n", FixedPcdGetBool(PcdMyVarBool));
+  Print(L"PcdMyVarBool=%d\n", PcdGetBool(PcdMyVarBool));
+  
+
+
+
+  Print(L"PcdMyDynamicExVar32=%x\n", PcdGet32(PcdMyDynamicExVar32));
+  PcdSet32S(PcdMyDynamicExVar32, 52);
+  Print(L"PcdMyDynamicExVar32=%x\n", PcdGet32(PcdMyDynamicExVar32));
+
+  Print(L"PcdMyDynamicVar32=%x\n", PcdGet32(PcdMyDynamicVar32));
+  PcdSet32S(PcdMyDynamicVar32, 52);
+  Print(L"PcdMyDynamicVar32=%x\n", PcdGet32(PcdMyDynamicVar32));
+  return EFI_SUCCESS;
+}
diff --git a/UefiLessonsPkg/PCDLesson/PCDLesson.inf b/UefiLessonsPkg/PCDLesson/PCDLesson.inf
new file mode 100644
index 0000000..cfd39d2
--- /dev/null
+++ b/UefiLessonsPkg/PCDLesson/PCDLesson.inf
@@ -0,0 +1,39 @@
+[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.PcdMyVar32 
+  gUefiLessonsPkgTokenSpaceGuid.PcdMyVar32_1|43 
+  gUefiLessonsPkgTokenSpaceGuid.PcdMyVar32_2|43 
+  gUefiLessonsPkgTokenSpaceGuid.PcdMyVarBool 
+
+[PatchPcd]
+  gUefiLessonsPkgTokenSpaceGuid.PcdMyPatchableVar32 
+
+[FeaturePcd]
+  gUefiLessonsPkgTokenSpaceGuid.PcdMyFeatureFlagVar
+
+[Pcd]
+  gUefiLessonsPkgTokenSpaceGuid.PcdMyDynamicVar32
+  gUefiLessonsPkgTokenSpaceGuid.PcdMyDynamicVar32_1
+
+[PcdEx]
+  gUefiLessonsPkgTokenSpaceGuid.PcdMyDynamicExVar32
+
+