Clean up DEC files:
[mirror_edk2.git] / MdeModulePkg / Application / HelloWorld / HelloWorld.c
1 /** @file
2 This sample application bases on HelloWorld PCD setting
3 to print "UEFI Hello World!" to the UEFI Console.
4
5 Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
6 This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
10
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13
14 **/
15
16 #include <Uefi.h>
17 #include <Library/PcdLib.h>
18 #include <Library/UefiLib.h>
19 #include <Library/UefiApplicationEntryPoint.h>
20
21
22 /**
23 The user Entry Point for Application. The user code starts with this function
24 as the real entry point for the application.
25
26 @param[in] ImageHandle The firmware allocated handle for the EFI image.
27 @param[in] SystemTable A pointer to the EFI System Table.
28
29 @retval EFI_SUCCESS The entry point is executed successfully.
30 @retval other Some error occurs when executing this entry point.
31
32 **/
33 EFI_STATUS
34 EFIAPI
35 UefiMain (
36 IN EFI_HANDLE ImageHandle,
37 IN EFI_SYSTEM_TABLE *SystemTable
38 )
39 {
40 UINT32 Index;
41
42 Index = 0;
43
44 //
45 // Three PCD type (FeatureFlag, UINT32 and String) are used as the sample.
46 //
47 if (FeaturePcdGet (PcdHelloWorldPrintEnable)) {
48 for (Index = 0; Index < PcdGet32 (PcdHelloWorldPrintTimes); Index ++) {
49 //
50 // Use UefiLib Print API to print string to UEFI console
51 //
52 Print ((CHAR16*)PcdGetPtr (PcdHelloWorldPrintString));
53 }
54 }
55
56 return EFI_SUCCESS;
57 }