On Fri, Oct 18, 2013 at 2:10 AM, Nishit Patira <nishitpat...@gmail.com> wrote:
> 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]
Maybe [Sources] instead? I can't remember, but I think .common only
works for 'EdkCompatibilityPkg' type modules.
> DIMMApp.c
> DIMMApp.h
>
>
> [Packages.common]
Same here?
-Jordan
> 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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>>
>>
>>
>>
>> ------------------------------------------------------------------------------
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>> the latest Intel processors and coprocessors. See abstracts and register >
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>>
>
>
> ------------------------------------------------------------------------------
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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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> 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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