Hey,
Pasting both inf and C files for your reference,
INF FILE
#/*++
#
# Module Name:
#
# DIMM.inf
#
# Abstract:
#
# DIMM is EFI based tool which returns the Channel number and DIMM
number given a physical address.
#
# Notes:
# BASE_NAME - names the output file (mount.efi here)
# FILE_GUID - required by the build tool, but not used anywhere for
this
# BUILD_TYPE - tells the build process to use the
# [build.$(PROCESSOR).$(BUILD_TYPE)] section of the DSC
file
# to build it. Make sure the DSC file has this section.
# FV - define as NULL to indicate to the build tools that the
# final build target does not go into any firmware volume.
#
--*/
[defines]
INF_VERSION = 0x00010015
BASE_NAME = DIMMApp
FILE_GUID = ECEE8016-615E-452c-A7E5-F773E7421F91
MODULE_TYPE = UEFI_APPLICATION
ENTRY_POINT = EfiFlashMain
[sources.common]
DIMMApp.c
DIMMApp.h
[Packages.common]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
DuetPkg/DuetPkg.dec
ShellPkg/ShellPkg.dec
IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
IntelFrameworkPkg/IntelFrameworkPkg.dec
[libraryclasses]
UefiUsbLib
UefiLib
UefiApplicationEntryPoint
UefiDecompressLib
UefiBootServicesTableLib
TimerLib
UefiScsiLib
ReportStatusCodeLib
PrintLib
PerformanceLib
PeCoffLib
PeCoffExtraActionLib
PeCoffGetEntryPointLib
PciLib
PciExpressLib
PciCf8Lib
PcdLib
MemoryAllocationLib
IoLib
HobLib
DxeServicesTableLib
DevicePathLib
DebugLib
CpuLib
CacheMaintenanceLib
BaseMemoryLib
BaseLib
ExtractGuidedSectionLib
SerialPortLib
DxeServicesLib
SynchronizationLib
DebugPrintErrorLevelLib
[depex]
TRUE
----------------------------------------------------------------------------------------------------------------
C FILE (I cannot reproduce the entire program, because a part of it
involves Intel IP.I hope you understand)
#include <DIMMApp.h>
#include <Uefi.h>
#include <Library/PcdLib.h>
#include <Library/UefiLib.h>
#include <Protocol/EfiShellInterface.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/ShellLib.h>
#include <Library/PrintLib.h>
#include <Library/BaseLib.h>
#include <Base.h>
#include <Library/UefiApplicationEntryPoint.h>
//#define DEBUG_EFI 0
EFI_SHELL_INTERFACE *SI;
EFI_HANDLE MyHandle=NULL;
EFI_GUID gEfiInteloolProtocolGuid = EFI_INTEL_TOOL_PROTOCOL_GUID;
EFI_BOOT_SERVICES *gBS;
void ExitProgram(void);
// Entry point EfiFlashMain funtion
EFI_STATUS
EFIAPI
EfiFlashMain (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status = EFI_SUCCESS;
EFI_INTEL_TOOL_PROTOCOL *mToolProtocol;
UINT32 TranslateStatus = 0;
//Initialize as a shell app and run
// EFI_SHELL_APP_INIT (ImageHandle, SystemTable); (This is not required
in EDK II)
gBS = SystemTable->BootServices;
// Check the required version of EFI system
// At least, we should run on a system that keeps to EFI1.02 SPEC
if (!EFI_PROPER_VERSION (1, 10))
{
print(L"\n EFI Version not supported. This program requires EFI
1.10\n");
return EFI_UNSUPPORTED;
}
MyHandle = ImageHandle;
Print(L"\n--------------------------------------------------------------\n");
Print(L"\nCopyright (c) 2012, Intel Corporation. All rights reserved.");
Print(L"\n--------------------------------------------------------------");
//Parse
if(SI->Argc != 2)
{
Print(L"\nInvalid arguments. ");
ExitProgram();
}
Regards,
Nishit Patira
On Fri, Oct 18, 2013 at 2:12 PM, Li, Elvin <elvin...@intel.com> wrote:
> MdePkg\Library\UefiApplicationEntryPoint definitely implements
> _ModuleEntryPoint, so link error seems strange to me…****
>
> ** **
>
> If you could send out the skeleton of your .c and .inf files which could
> reproduce your issue, it would be great.****
>
> ** **
>
> *From:* Nishit Patira [mailto:nishitpat...@gmail.com]
> *Sent:* Friday, October 18, 2013 4:04 PM
>
> *To:* edk2-devel@lists.sourceforge.net
> *Subject:* Re: [edk2] error LNK2001: unresolved external symbol
> _ModuleEntryPoint****
>
> ** **
>
> I added the library class UefiApplicationEntryPoint in INF file and
> <Library/UefiApplicationEntryPoint.h>
> in C file . Yet, the error still persists****
>
> ** **
>
> Regards,****
>
> Nishit Patira****
>
> On Fri, Oct 18, 2013 at 12:39 PM, Li, Elvin <elvin...@intel.com> wrote:***
> *
>
> Do you do this in your code? ****
>
> 1. UefiApplicationEntryPoint in [LibraryClasses] in the INF file?***
> *
>
> 2. include <Library/UefiApplicationEntryPoint.h> in the C file?****
>
> ****
>
> Thanks****
>
> Elvin****
>
> *From:* Nishit Patira [mailto:nishitpat...@gmail.com]
> *Sent:* Friday, October 18, 2013 2:48 PM
> *To:* edk2-devel@lists.sourceforge.net
> *Subject:* Re: [edk2] error LNK2001: unresolved external symbol
> _ModuleEntryPoint****
>
> ****
>
> Sorry,****
>
> the code snippet i meant to mention (which gives error) was
>
> #ifdef EFI_BOOTSHELL
> EFI_APPLICATION_ENTRY_POINT(EfiFlashMain)
> #endif
>
> FI_STATUS
> EFIAPI
> EfiFlashMain (
> IN EFI_HANDLE ImageHandle,
> IN EFI_SYSTEM_TABLE *SystemTable
> )
>
>
> This is the snippet which works fine,
> #ifdef EFI_BOOTSHELL
> EFI_APPLICATION_ENTRY_POINT(_ModuleEntryPoint)
> #endif
>
> EFI_STATUS
> EFIAPI
> _ModuleEntryPoint(
> IN EFI_HANDLE ImageHandle,
> IN EFI_SYSTEM_TABLE *SystemTable
> )****
>
> Sorry for the gaffe.****
>
> Thanks & Regards,
> Nishit Patira****
>
> ****
>
> ****
>
> On Fri, Oct 18, 2013 at 12:02 PM, Nishit Patira <nishitpat...@gmail.com>
> wrote:****
>
> Hi,****
>
> I am writing an application in EDK II and for the given snippet of code, i
> get the error
> error LNK2001: unresolved external symbol _ModuleEntryPoint :-
>
> #ifdef EFI_BOOTSHELL
> EFI_APPLICATION_ENTRY_POINT(EfiFlashMain)
> #endif****
>
> However, _ModuleEntryPoint is not used anywhere in the program.
> Also, if I change the code to
>
> #ifdef EFI_BOOTSHELL
> EFI_APPLICATION_ENTRY_POINT(*_ModuleEntryPoint*)
> #endif****
>
> the application compiles.
>
> Could you please tell why this is happening. ****
>
> Regards,****
>
> Nishit Patira****
>
> ****
>
>
>
> ------------------------------------------------------------------------------
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> edk2-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/edk2-devel****
>
> ** **
>
>
> ------------------------------------------------------------------------------
> October Webinars: Code for Performance
> Free Intel webinars can help you accelerate application performance.
> Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most
> from
> the latest Intel processors and coprocessors. See abstracts and register >
> http://pubads.g.doubleclick.net/gampad/clk?id=60135031&iu=/4140/ostg.clktrk
> _______________________________________________
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> edk2-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/edk2-devel
>
>
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Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from
the latest Intel processors and coprocessors. See abstracts and register >
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