mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-24 11:45:27 +01:00
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/** @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>
|
|
|
|
//
|
|
// 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);
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
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));
|
|
}
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|