1 files changed, 104 insertions, 0 deletions
diff --git a/test_code/HelloWorld.c b/test_code/HelloWorld.c
new file mode 100644
index 0000000..2f99825
--- /dev/null
+++ b/test_code/HelloWorld.c
@@ -0,0 +1,104 @@
+/** @file
+  This sample application bases on HelloWorld PCD setting
+  to print "UEFI Hello World!" to the UEFI Console.
+
+  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Uefi.h>
+#include <Library/PcdLib.h>
+#include <Library/UefiLib.h>
+#include <Library/UefiApplicationEntryPoint.h>
+#include <Protocol/LoadedImage.h>
+#include "Library/DebugLib.h"
+#include "Guid/FileSystemInfo.h"
+
+EFI_GUID gEfiLoadedImageProtocolGuid = EFI_LOADED_IMAGE_PROTOCOL_GUID;
+
+//
+// String token ID of help message text.
+// Shell supports to find help message in the resource section of an application image if
+// .MAN file is not found. This global variable is added to make build tool recognizes
+// that the help string is consumed by user and then build tool will add the string into
+// the resource section. Thus the application can use '-?' option to show help message in
+// Shell.
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_STRING_ID  mStringHelpTokenId = STRING_TOKEN (STR_HELLO_WORLD_HELP_INFORMATION);
+
+
+void getBase(EFI_SYSTEM_TABLE *SystemTable, EFI_HANDLE ImageHandle) {
+
+  EFI_STATUS status;
+
+  VOID *LoadedImage;
+  status = SystemTable->BootServices->OpenProtocol(
+        ImageHandle,
+        &gEfiLoadedImageProtocolGuid,
+        &LoadedImage,
+        ImageHandle,
+        NULL,
+        EFI_OPEN_PROTOCOL_GET_PROTOCOL);
+  if (status != EFI_SUCCESS) {
+        Print(L"Failed to open LoadedImage.");
+  } else {
+    VOID *base = ((EFI_LOADED_IMAGE_PROTOCOL *) LoadedImage)->ImageBase;
+    /*UINT64 size = ((EFI_LOADED_IMAGE_PROTOCOL *) LoadedImage)->ImageSize;*/
+
+    Print(L"Image Base: 0x%1x\n", (unsigned long)(base));
+  }
+
+}
+
+
+/**
+  The user Entry Point for Application. The user code starts with this function
+  as the real entry point for the application.
+
+  @param[in] ImageHandle    The firmware allocated handle for the EFI image.
+  @param[in] SystemTable    A pointer to the EFI System Table.
+
+  @retval EFI_SUCCESS       The entry point is executed successfully.
+  @retval other             Some error occurs when executing this entry point.
+
+**/
+EFI_STATUS
+EFIAPI
+UefiMain (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+
+  DEBUG((EFI_D_INFO, "My Entry Point: 0x%08x\r\n",(CHAR16*)UefiMain));
+
+  getBase(SystemTable, ImageHandle);
+
+  Print(L"UefiMain: 0x%1x\n", (unsigned long)UefiMain);
+
+  UINT32  Index;
+
+  Index = 0;
+
+  //
+  // Three PCD type (FeatureFlag, UINT32 and String) are used as the sample.
+  //
+  if (FeaturePcdGet (PcdHelloWorldPrintEnable)) {
+    for (Index = 0; Index < PcdGet32 (PcdHelloWorldPrintTimes); Index++) {
+      //
+      // Use UefiLib Print API to print string to UEFI console
+      //
+      Print ((CHAR16 *)PcdGetPtr (PcdHelloWorldPrintString));
+      Print(L"Own Hello World\n");
+    }
+  }
+
+  volatile int wait = 1;
+
+  while(wait) {
+    __asm__ __volatile__("pause");
+  }
+
+  return EFI_SUCCESS;
+}
+\ No newline at end of file