I would like to add my $0.02
Now. I don't want to offend anyone here, nor their hard work, but I use OS X
and that platform is even more behind. I was stunned to find out that while
Apple is using EFI for years, one cannot even compile stuff properly.
I presume that Apple is using Windows in a virtual machine, or use BootCamp for
their development. But in any event. This should change, because for someone
like me, living in a non-windows world – using Linux since age 7 and OS X since
2007 – this is total madness. Won't ever use Windows. Not even in a virtual
machine.
Note: Anything expressed here is my own personal view and not that of my
employer.
Regards,
Pike
________________________________
Van: Mauro Faccenda <facce...@gmail.com>
Aan: edk2-devel@lists.sourceforge.net
Verzonden: dinsdag 15 januari 13:40 2013
Onderwerp: Re: [edk2] difficulties getting started with EDK2 Development
Hi Космынин,
Thanks for your answer. I've noticed that the whole environment is on
a 'unstable' state and I was about to send a new message reporting the
a problem I am having when I call gethostbyname() (I guess it is the
same you mentioned with the GetHostByDns.efi) it makes qemu (with a
DEBUG enabled OVMF) hangs with some messages, and i still couldn't
find a workaround. But it seems it is a known problem.
You mentioned that Linux isn't a stable platform for development, it
should be my preferred platform (licencing issues), but we can also
use any other. What would you (or anyone else) recommend?
Regards,
Mauro
On Tue, Jan 15, 2013 at 5:18 AM, Космынин Олег Олегович
<okosmy...@kraftway.ru> wrote:
> Sadly, Linux is not a platform for stable development, there are at least 2
> bugs we found in toolchain (gcc46), one is critical, i reported it but no
> answers.
> One bug with debug sections (check your log for: cannot fill debug link
> section) - it will stop DEBUG() macro from working, and another bug simply
> corrupt pointer in some cases (try to run GetHostByDns.efi and it will
> ASSERT). gcc45 & gcc44 not work at all on my setup (ubuntu 12.10, latest svn
> rev).
>
> Errors in StdLib you mentioned really exist, can't comment on your main ( IN
> int Argc, IN char **Argv ) issue.
>
> Overall, after 2.5 months of studying/developing for UEFI implementation from
> Intel I got impression it is in pre-alpha stage and you should expect lots of
> bugs.
>
> Good luck in your work
>
> ________________________________________
> From: Mauro Faccenda [facce...@gmail.com]
> Sent: 11 January 2013 18:24
> To: edk2-devel@lists.sourceforge.net
> Subject: [edk2] difficulties getting started with EDK2 Development
>
> Hi all,
>
> I am trying to get started with EDK2 development and I'd like to
> report some difficulties I had and am having.
>
> If any of you can point to some way to fix or even better way of doing
> anything, I'd appreciate.
>
> I am willing to use a plain Ubuntu 12.04 64bits as development
> platform as it comes with GCC 4.6 which seems to be well supported by
> the EDK2 and BaseTools.
>
> But here comes to me the first question: which (if any) are the
> recommended (default) platform for development? I guess it is using
> Windows with VS since the configuration comes with all parameters set
> to use it. But I'd like to know If there is any 'better supported'
> Linux platform (distro, distro version+gcc version).
>
> The Project Wiki mentions Ubuntu 9.10, 10.10 and 10.04, and GCC 4.4,
> but doesn't recommend any.
>
> For instance, I followed this documentation:
> http://sourceforge.net/apps/mediawiki/tianocore/index.php?title=Using_EDK_II_with_Native_GCC_4.4
>
> Moving on, as I want to play with network connections, I built my own
> OVMF with the Intel's E1000 Network drivers successfully using the
> sources from EDK2 trunk.
>
> I already could run qemu with network support (using tap + bridge with
> host physical interface) and use ping.efi (from the EDK2 Toolkit)
> against devices on my network, also no problems besides the latency
> being a bit high (>400ms, from the host I get less than 1ms).
>
> Then I started building some applications to test running in the
> environment. I've built the MdeModulePkg and could run some of them.
> But when I tried to build AppPkg I got the following error:
> $ build -t GCC46 -a X64 -p AppPkg/AppPkg.dsc
> [...]
> edk2/StdLib/LibC/Containers/Queues/Fifo.c:508:27: error: assignment
> from incompatible pointer type [-Werror]
> cc1: all warnings being treated as errors
>
> As it seems to be a warning promoted to an error, I manually ran the
> same gcc command removing the -Werror parameter and it compiled
> successfully.
>
> Is this a bug? Should I report?
>
> Then I ran the build command again, which brought another error:
>
> edk2/StdLib/LibC/Uefi/InteractiveIO/IIOutilities.c:269:1: error:
> conflicting types for ‘IIO_CursorDelta’
> edk2/StdLib/LibC/Uefi/InteractiveIO/IIOutilities.h:122:1: note:
> previous declaration of ‘IIO_CursorDelta’ was here
>
> I opened both files looking for the definition of IIO_CursorDelta and
> in .h file I got:
> --
> int
> EFIAPI
> IIO_CursorDelta (
> cIIO *This,
> CURSOR_XY *StartXY,
> CURSOR_XY *EndXY
> );
> --
> while in the .c I got:
> --
> UINT32
> EFIAPI
> IIO_CursorDelta (
> cIIO *This,
> CURSOR_XY *StartXY,
> CURSOR_XY *EndXY
> ) [...]
> --
>
> So I changed the .h from int to UINT32 and ran the build again. This
> time with success. Should I report this?
>
> After that, I started to play with AppPkg/Applications/Main/Main.c,
> trying to poke around to see what I can or can't do and got something
> strange. I've changed the Main.c to just print the Argc value:
> --
> #include <stdio.h>
> int
> EFIAPI
> main (
> IN int Argc,
> IN char **Argv
> )
> {
> printf("\nArgc=%d\n", Argc);
> return 0;
> }
> --
> And whenever I run it on UEFI Shell (using qemu), I always get really
> big values (> 37000000) no matter with how many parameter I run and if
> I run with the same parameter multiple times, the value sometimes
> changes, as you can see on the image below:
>
> http://s1.postimage.org/dxeg7ahdr/argc.png
>
> This isn't exactly a problem, since I still can successfully run
> normal code but I'd like to know if am I doing something stupid, if
> this is some kind of bug or if it is a side effect of something I
> couldn't see yet.
>
> Any tips or clarifications will be really appreciated.
>
> Anyway, thanks for the good job you all have been doing on this project. =)
>
> Mauro Faccenda
>
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