Re: [PATCH v3 00/20] first version of mcdstub

[address@hidden]

On 29/11/2023 15:44, Alex Bennée wrote:

> Nicolas Eder <nicolas.eder@lauterbach.com> writes:
>
> > SUMMARY
> > =======
> >
> > This patch-set introduces the first version of the mcdstub.
> > The mcdstub is a debug interface, which enables debugging QEMU
> > using the MCD (Multi-Core Debug) API.
> > The mcdstub uses TCP to communicate with the host debug software. However,
> > because MCD is merely an API, the TCP communication is not part of
> > the MCD spec but specific to this project.
> >
> > To translate between the MCD API and the TCP data stream coming from the mcdstub,
> > the host has to use a shared library (.dll/.so).
> > Such a shared library will be available soon Lauterbach's open source site
> > and will be linked to from inside this project in a future patch.
> >       
> Do you have a timeline for this? Its impossible to test without some
> sort of open implementation of the library.
>

You can find the library source code here:

https://gitlab.com/lauterbach/mcdrefsrv

It can be built using CMake.

> > The MCD API itself can be downloaded here: https://repo.lauterbach.com/sprint_mcd_api_v1_0.zip
> >
> > QUICK START
> > ===========
> >
> > Attention: MCD is currently only supported for qemu-system-arm !
> >
> > Three components are required to Debug QEMU via MCD:
> >
> > 1. qemu-system-arm (built with this patch series applied).
> > 2. MCD shared library (translates between the MCD API and TCP data).
> > 3. Host debugging software with support for the MCD API (e.g.
> > Lauterbach TRACE32).
> >       
> We will need some sort of basic implementation to exercise the API as I
> assume TRACE32 is a paid for binary.
>

I am working on a python script, which directly calls the API functions. Upon completion it will be added to the mcdrefsrv gitlab.