Hi Bhupesh, Yes, if you are using ARM DS-5, this is the wikipage to look at to setup your environment to debug UEFI. Let me know if you have issue. Regards, Olivier
-----Original Message----- From: Sharma Bhupesh-B45370 [mailto:B45370@freescale.com] Sent: 22 October 2013 07:56 To: 'Andrew Fish'; 'edk2-devel@lists.sourceforge.net' Cc: 'Kim Phillips'; 'boot-architecture@lists.linaro.org'; Kushwaha Prabhakar-B32579 Subject: Re: [edk2] Debugging Sec and PI phases {Source symbols}
-----Original Message----- From: boot-architecture-bounces@lists.linaro.org [mailto:boot- architecture-bounces@lists.linaro.org] On Behalf Of Andrew Fish Sent: Tuesday, October 22, 2013 2:07 AM To: edk2-devel@lists.sourceforge.net Cc: 'Kim Phillips'; 'boot-architecture@lists.linaro.org'; Kushwaha Prabhakar-B32579 Subject: Re: [edk2] Debugging Sec and PI phases {Source symbols}
On Oct 21, 2013, at 11:38 AM, Sharma Bhupesh-B45370 B45370@freescale.com wrote:
[Resending as I got a 'You must be subscribed to post messages to
this
mailing list' message from edk2 list]
Hi List,
I am new to UEFI and am trying to debug my UEFI ported code (from
u-
boot) on a ARMv7 based SoC.
I am able to do some basic debugging of the ARM CPU init code using
a
DS-5 debugger attached to the board.
I see that the ported code crashes somewhere while making a
transition
from Sec to PI phase.
However, I can only verify this by seeing instruction level disassembly. I cannot figure out a way to load the source code
using
the DS-5 debugger.
I am used to seeing ELF files which have the debug information and
which can be loaded via the debugger.
Using the 'file' command I cannot find any ELF file in the output directory 'Build/..'. The FV and FD files don't seem to be ELF
files as
well.
FD is short for Flash Device. So it is usually the layout of the ROM.
You
could have multiple ROMs, but the most common thing is to just have a single FD. FV is a Firmware Volume. Basically a simple Flash Filesystem that
allows
files, named by GUIDs to be discovered.
EFI is a collection of relocatable PE/COFF images, and in general an
INF
file (no for a library) in your project maps to a PE/COFF file
getting
generated.
It can vary by compiler, but it is common for the *.dll file to be
the
native image with the debug info. So that is the file you want to
load
symbols for.
There are various schemes on how to do this. Some platforms print out debug messages that map into the commands you need to load symbols.
Some
platforms have scripts that can load symbols.
Sorry I don't remember the latest recommendation on which scheme to
use
for your platform? Try looking at the *.Fv.map file as I think it has info about how to load symbols. You would need a script to convert
this
into some format the DS-5 understands.
Maybe the scripts in
https://svn.code.sf.net/p/edk2/code/trunk/edk2/ArmPlatformPkg/Scripts/D s5
/ are what you are looking for?
Many thanks Andrew. It seems the DS5 scripts will work for me. I found the wiki for the same here: http://sourceforge.net/apps/mediawiki/tianocore/index.php?title=ArmPkg/ Ds5
I will try to debug the target using these scripts and get back with my results.
Regards, Bhupesh
Thanks,
Andrew Fish
Any pointers to which ELF file is generated while compiling a UEFI BoardPkg and how it can be loaded via the debugger.
Thanks for your help. Regards, Bhupesh
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Olivier Martin