Now EDKII SourceLevelDebug supports two physical channel: one is serial cable, 
another is usb debug cable.

So if you have no EHCI debug port at your target machine, you can try serial 
port.

If you want to use the COM2 of target machine, you need override 
PcdSerialRegisterBase in MdeModulePkg.dec to 0x2F8 that makes you use COM2.

From: Rafael Machado [mailto:rafaelrodrigues.mach...@gmail.com]
Sent: Wednesday, August 29, 2012 10:43 AM
To: edk2-devel@lists.sourceforge.net
Subject: Re: [edk2] Intel Degubber Tool

Hi Feng

Your understanding of what I was trying to say, main usb port, was correct. I 
was talking about EHCI usb debug port
I have one problem here. The problem is that none of the machines I have here 
have EHCI debug port.
Now we are trying to debug using the COM2 (com1 is not working on this machine) 
serial port.

The strange thing is that windbg is not able to connect to the target machine. 
Is it possible to debug using com2 serial port or just com1 ?

PS.: If some one have some time, would it be great for the beginners to have 
some video about compiling and debugging an uefi application and/or driverusing 
windbg. Seams to be a really simple task, but for the beginners it's kind of 
complicated.

Thanks and Regards
Rafael R. Machado

2012/8/26 Tian, Feng <feng.t...@intel.com<mailto:feng.t...@intel.com>>
I am not quite sure what's your meaning of "Main USB port".

But for usb debug cable, it requires to directly insert into EHCI usb debug 
port at Target side. You need check your chipset spec to know which port is 
used as usb debug port. And you can also refer to the user manual, this doc 
introduces several ways to find out the debug port of target side.

At host side, it's not required, you just need to choose any one of usb 2.0 
ports.

From: Rafael Machado 
[mailto:rafaelrodrigues.mach...@gmail.com<mailto:rafaelrodrigues.mach...@gmail.com>]
Sent: Saturday, August 25, 2012 20:55
To: edk2-devel@lists.sourceforge.net<mailto:edk2-devel@lists.sourceforge.net>
Subject: Re: [edk2] Intel Degubber Tool

Hi Tian, Feng

I'm having some problems here to execute the debug.
I have a question. On the target machine, do I need to use the Main USB port 
too ?

Thanks and Regards
Rafael R. Machado
2012/8/23 Tian, Feng <feng.t...@intel.com<mailto:feng.t...@intel.com>>
Did you read the latest UDK Debugger Tools' user manual? Its section 3.2.4 
explains this.

Please raise any issue to me when following these instructions.

From: Denis Alberto Silverio 
[mailto:denis.a.silve...@gmail.com<mailto:denis.a.silve...@gmail.com>]
Sent: Friday, August 24, 2012 01:42
To: edk2-devel@lists.sourceforge.net<mailto:edk2-devel@lists.sourceforge.net>
Subject: [edk2] Intel Degubber Tool

Hi Everybody!
I´m Learning about Intel Debugger Tool and I would like to know if anyone knows 
a good tutorial that explains how to use the USB Debug cable, and help me to 
find the USB debug port. I´m reading Intel debugger tool Manual but i can´t 
make it work
Thanks

--
Dênis Alberto Silverio

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