Re: Qestion about how to debug OVMF with UDT on QEMU

[Laszlo Ersek <lersek@redhat.com>]

On 08/09/17 20:21, Kinney, Michael D wrote:
> Laszlo,
> 
> I works really well for me using QEMU on Windows.
> 
> * Build OVMF setting -D SOURCE_DEBUG_ENABLE and -D DEBUG_ON_SERIAL_PORT.
> 
> * Configure The UDK Debugger SoftDebugger.ini file to use TCP port 20716
> 
>   [Debug Port]
>   Channel = TCP
>   Server = localhost
>   Port = 20716
> 
> * Configure QEMU so the monitor and serial port 
>   are redirected to a tcp ports 20717 and 20716.
> 
>   -monitor tcp:localhost:20717,server
>   -serial  tcp:localhost:20716,server
> 
> I use a batch file to launch the UDK debugger and
> and terminal emulators immediately before running
> QEMU because the tcp server in QEMU will
> timeout of a connect does not happen quickly.
> 
>   start "Monitor" /B "c:\Program Files (x86)\teraterm\ttermpro.exe" localhost:20717 /nossh
>   start "Debugger" /B "C:\Program Files (x86)\Intel\Intel(R) UEFI Development Kit Debugger Tool\eXdi.exe" /LaunchWinDbg
>   start "Console" /B "c:\Program Files (x86)\teraterm\ttermpro.exe" localhost:20715 /nossh
> 
>   start "QEMU" /B "%QEMU_PATH%\qemu-system-i386w.exe" ^
>   -machine q35,smm=on,accel=tcg -cpu Nehalem ^
>   -global ICH9-LPC.disable_s3=1 ^
>   -drive if=pflash,format=raw,unit=0,file=%EDKII_BUILD_OUTPUT%\FV\OVMF_CODE.fd,readonly=on ^
>   -drive if=pflash,format=raw,unit=1,file=%EDKII_BUILD_OUTPUT%\FV\OVMF_VARS.fd ^
>   -monitor tcp:localhost:20717,server ^
>   -serial  tcp:localhost:20716,server
> 
> Since the serial connections are redirected to tcp ports
> on the localhost, this actually provide an excellent
> UDK Debugger experience.

Thanks for the writeup. :) Maybe we should put this in the wiki
(although I'm completely aware of how I would react if this was
suggested to me in response to an email of mine :) )

And, perhaps I should give this another try sometime :)

Thank you!
Laszlo