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b7d286b6 | 1 | /** @file\r |
d1102dba | 2 | This sample application bases on HelloWorld PCD setting\r |
109e9a61 LG |
3 | to print "UEFI Hello World!" to the UEFI Console.\r |
4 | \r | |
d1102dba | 5 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
b7d286b6 | 7 | \r |
8 | **/\r | |
9 | \r | |
ab9140c8 | 10 | #include <Uefi.h>\r |
223c22d8 | 11 | #include <Library/PcdLib.h>\r |
ab9140c8 A |
12 | #include <Library/UefiLib.h>\r |
13 | #include <Library/UefiApplicationEntryPoint.h>\r | |
b7d286b6 | 14 | \r |
0d4a6c3d QS |
15 | //\r |
16 | // String token ID of help message text.\r | |
17 | // Shell supports to find help message in the resource section of an application image if\r | |
18 | // .MAN file is not found. This global variable is added to make build tool recognizes\r | |
19 | // that the help string is consumed by user and then build tool will add the string into\r | |
20 | // the resource section. Thus the application can use '-?' option to show help message in\r | |
21 | // Shell.\r | |
22 | //\r | |
23 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_STRING_ID mStringHelpTokenId = STRING_TOKEN (STR_HELLO_WORLD_HELP_INFORMATION);\r | |
b9575d60 A |
24 | \r |
25 | /**\r | |
26 | The user Entry Point for Application. The user code starts with this function\r | |
109e9a61 | 27 | as the real entry point for the application.\r |
b9575d60 | 28 | \r |
d1102dba | 29 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r |
b9575d60 | 30 | @param[in] SystemTable A pointer to the EFI System Table.\r |
d1102dba | 31 | \r |
b9575d60 A |
32 | @retval EFI_SUCCESS The entry point is executed successfully.\r |
33 | @retval other Some error occurs when executing this entry point.\r | |
34 | \r | |
35 | **/\r | |
b7d286b6 | 36 | EFI_STATUS\r |
37 | EFIAPI\r | |
38 | UefiMain (\r | |
39 | IN EFI_HANDLE ImageHandle,\r | |
40 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
41 | )\r | |
b7d286b6 | 42 | {\r |
d1102dba LG |
43 | UINT32 Index;\r |
44 | \r | |
45 | Index = 0;\r | |
46 | \r | |
223c22d8 LG |
47 | //\r |
48 | // Three PCD type (FeatureFlag, UINT32 and String) are used as the sample.\r | |
49 | //\r | |
50 | if (FeaturePcdGet (PcdHelloWorldPrintEnable)) {\r | |
d1102dba LG |
51 | for (Index = 0; Index < PcdGet32 (PcdHelloWorldPrintTimes); Index ++) {\r |
52 | //\r | |
53 | // Use UefiLib Print API to print string to UEFI console\r | |
54 | //\r | |
55 | Print ((CHAR16*)PcdGetPtr (PcdHelloWorldPrintString));\r | |
223c22d8 LG |
56 | }\r |
57 | }\r | |
b7d286b6 | 58 | \r |
59 | return EFI_SUCCESS;\r | |
60 | }\r |