Sorry I did not realize that /TP was C++ as your original post mentioned a C
file.
If you are using edk2 libraries then you need to link against an entry point
lib that will contain _ModuleEntryPoint. There will be a lib function that is
generated in the AutoGen.c file that will contain a call to InitalizeOptionROM.
Andrew Fish
On Jun 7, 2013, at 8:45 AM, ranga rao <[email protected]> wrote:
> Thanks Andrew!
>
> As the error is coming from Entry point. How can i fix it's Prototype
>
> #if __UDK2010_BUILD__ && __EBCBUILD__
> EFI_STATUS EfiMain( IN EFI_HANDLE ImageHandle,
> IN
> EFI_SYSTEM_TABLE *SystemTable )
>
> #elif __UDK2010_BUILD__
> EFI_STATUS _ModuleEntryPoint ( IN EFI_HANDLE ImageHandle,
> IN
> EFI_SYSTEM_TABLE *SystemTable )
> #else
> EFI_STATUS InitializeOptionROM ( IN EFI_HANDLE ImageHandle,
> IN
> EFI_SYSTEM_TABLE *SystemTable )
>
> The /TP option is expecting a return value of "int" as cpp default return
> value for function is int
> Can i type-cast (or) try to fix the prototype
>
Well 1st off you are missing EFIAPI that looks like it maps to __cdecl for your
build...
EFI_STATUS
EFIAPI
InitializeOptionRom (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
If you list an entry point in your INF file then it will have a prototype in
the AutoGen.h file, so you can't change it. You will only get a prototype for
_ModuleEntryPoint if you include <Library/UefiApplicationEntryPoint.h>
So you could try changing it, assuming you are not using any library functions.
I'm not sure how the compiler knows what the entry point of the function is?
That seems like something the linker knows?
Also if you are doing C++ you don't you need...
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __cplusplus
}
#endif
around you C includes.
Does the compiler default to C++ if your file is named .cpp, that way you could
mix C and C++ files together in your driver, but in different files?
> How can i do that?
>
> Appreciate your help
>
> I have lot of code where variables are declared inside the function, rather
> at the beginning of the function
> hence i had to use /TP with MSFT CL.exe
>
> Appreciate if any one has seen such similar error, Kindly respond
>
>
> On Fri, Jun 7, 2013 at 8:54 PM, Andrew Fish <[email protected]> wrote:
> Fix the function prototype to the correct API. This is enforced in edk2 since
> your entry point is called from a library.
>
> You were just getting lucky it worked in the EDK.
>
> Sent from my iPhone
>
> On Jun 7, 2013, at 4:40 AM, ranga rao <[email protected]> wrote:
>
>> Hi,
>> I have C source which I have been building using EDK 1.06.
>>
>> The variables in the code are not declared in the beginning of the function,
>> and I could able to build the
>> Code with /TP flag
>>
>> The same code is failing on EDK II(UDK2010.UP4)
>> When I attempted to build this using UDK 2010 UP4 with /TP flag, I see the
>> below error
>> Is throwing the below error at entry point
>> c:\udk2010.up1\MdeModulePkg\Bus\Pci\Sasdriver\Sasdriver.c(63) : error C2440:
>> 'in
>> itializing' : cannot convert from 'EFI_STATUS (__cdecl
>> *)(EFI_HANDLE,EFI_SYSTEM_
>> TABLE *)' to 'int'
>> How do I resolve this issue?
>> Appreciate the response!
>> Thanks
>> Ranga
>>
>>
>> --
>> Thanks
>> Ranga
>> ------------------------------------------------------------------------------
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>
>
>
> --
> Thanks
> Ranga
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