RE: [Qemu-devel] SystemC Cosimulation

RE: [Qemu-devel] SystemC Cosimulation

[Doug Schaefer]

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Very cool. I'm guessing that this means that you can take any SystemC design
and use qemu to develop drivers for it, yes?

 

Cheers,

Doug Schaefer

 

  _____  

From: qemu-devel-bounces+dschaefer=qnx.com@nongnu.org
[mailto:qemu-devel-bounces+dschaefer=qnx.com@nongnu.org] On Behalf Of Màrius
Montón
Sent: Monday, November 20, 2006 1:37 PM
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] SystemC Cosimulation

 

Hi, 

As a HW researcher, me and one student at my charge have develop a device to
Qemu. This device is connecto to virtual PC as a PCI device, and its
functionality is described using SystemC.

I'm finishing to clean the code up, and our intention is to publish all
code. Also, I will continue development of this work to add more features
(like async communications and IRQ generation).

Thanks, 

Màrius Montón



 


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Re: [Qemu-devel] SystemC Cosimulation

[Màrius Montón]

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Yes, thats the idea behind our work.
We write a module for qemu that emulates Altera PCI Core. By one side
this module is 'attached' to qemu PCI bus, and for on the other side is
the systemC interface to any module you write. Then, any OS running into
Qemu sees this new PCI device, and you can develop your driver, of course.

Actually, all this stuff must be compiled and linked together, and when
running systemC simulation, qemu is freezed, so no time considerations
can be taken.

In next version, I'll try to split into two executables: one for qemu
and one for systemC simulator, both connected using sockets or something
similar.

we will publish this work in our website soon

Thank for you attention,

Màrius

Doug Schaefer wrote:
>
> Very cool. I’m guessing that this means that you can take any SystemC
> design and use qemu to develop drivers for it, yes?
>
>  
>
> Cheers,
>
> Doug Schaefer
>
>  
>
> ------------------------------------------------------------------------
>
> *From:* qemu-devel-bounces+dschaefer=qnx.com@nongnu.org
> [mailto:qemu-devel-bounces+dschaefer=qnx.com@nongnu.org] *On Behalf Of
> *Màrius Montón
> *Sent:* Monday, November 20, 2006 1:37 PM
> *To:* qemu-devel@nongnu.org
> *Subject:* [Qemu-devel] SystemC Cosimulation
>
>  
>
> Hi,
>
> As a HW researcher, me and one student at my charge have develop a
> device to Qemu. This device is connecto to virtual PC as a PCI device,
> and its functionality is described using SystemC.
>
> I'm finishing to clean the code up, and our intention is to publish
> all code. Also, I will continue development of this work to add more
> features (like async communications and IRQ generation).
>
> Thanks,
>
> Màrius Montón
>
>  
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> Qemu-devel mailing list
> Qemu-devel@nongnu.org
> http://lists.nongnu.org/mailman/listinfo/qemu-devel
>   

-- 
Màrius Montón i Macián   marius.monton@uab.cat
<mailto:marius.monton@uab.cat>  http://cephis.uab.es
<http://www.mariusmonton.name>
Hardware Engineer
CEPHIS
Centre de Prototips i Solucions Hardware-Software
Dep. Microelectrònica i Sistemes Electrònics
ETSE - Universitat Autònoma de Barcelona (UAB) 	Phone: +34 935 813 534
Fax: +34 935 813 033
QC-2090D. ETSE. Campus UAB.
080193 Bellaterra



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Re: [Qemu-devel] SystemC Cosimulation

[Alessandro Corradi]

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Hello,

I already did this simulation/integration between qemu/systemC. I integrated
a simple memory writen in SystemC and it communicate with QEMU via socket .
It works very fine, the os installed on qemu (debian 3.1) can communicate
with it, but I didn't recognize it as a PCI device and I didn't implement
irq mechanism. This because I'm not so strong in C programming (this is a
work for my university and my degree's thesys). Moreover I didn't find
usefull documentation, I wrote my code based only on parallel.c and serial.c
 code.
I don't know why it works without irq... I tried to do something but irq are
not "launched".

If you are interested I written some emails in devel mail list with some
information and question...

The systemC description is a stand alone process that receive and send
messagges via socket. I added a module in QEMU in order to estabilish a
connection at initializzation time and send/receive data when a write/read
is done.
As I told, the main point that I don't understand are:
-irq managing,
-create a device and manage it as a pci device.

Thanks,

Alessandro


2006/11/21, Màrius Montón <marius.monton@uab.es>:
>
> Yes, thats the idea behind our work.
> We write a module for qemu that emulates Altera PCI Core. By one side this
> module is 'attached' to qemu PCI bus, and for on the other side is the
> systemC interface to any module you write. Then, any OS running into Qemu
> sees this new PCI device, and you can develop your driver, of course.
>
> Actually, all this stuff must be compiled and linked together, and when
> running systemC simulation, qemu is freezed, so no time considerations can
> be taken.
>
> In next version, I'll try to split into two executables: one for qemu and
> one for systemC simulator, both connected using sockets or something
> similar.
>
> we will publish this work in our website soon
>
> Thank for you attention,
>
> Màrius
>
> Doug Schaefer wrote:
>
>  Very cool. I'm guessing that this means that you can take any SystemC
> design and use qemu to develop drivers for it, yes?
>
>
>
> Cheers,
>
> Doug Schaefer
>
>
>   ------------------------------
>
> *From:* qemu-devel-bounces+dschaefer=qnx.com@nongnu.org [
> mailto:qemu-devel-bounces+dschaefer=qnx.com@nongnu.org<qemu-devel-bounces+dschaefer=qnx.com@nongnu.org>]
> *On Behalf Of *Màrius Montón
> *Sent:* Monday, November 20, 2006 1:37 PM
> *To:* qemu-devel@nongnu.org
> *Subject:* [Qemu-devel] SystemC Cosimulation
>
>
>
> Hi,
>
> As a HW researcher, me and one student at my charge have develop a device
> to Qemu. This device is connecto to virtual PC as a PCI device, and its
> functionality is described using SystemC.
>
> I'm finishing to clean the code up, and our intention is to publish all
> code. Also, I will continue development of this work to add more features
> (like async communications and IRQ generation).
>
> Thanks,
>
> Màrius Montón
>
>
>
> ------------------------------
>
> _______________________________________________
> Qemu-devel mailing listQemu-devel@nongnu.orghttp://lists.nongnu.org/mailman/listinfo/qemu-devel
>
>
> --
>   Màrius Montón i Macián   marius.monton@uab.cat   http://cephis.uab.es<http://www.mariusmonton.name/>
> Hardware Engineer
> CEPHIS
> Centre de Prototips i Solucions Hardware-Software
> Dep. Microelectrònica i Sistemes Electrònics
> ETSE - Universitat Autònoma de Barcelona (UAB) Phone: +34 935 813 534
> Fax: +34 935 813 033
> QC-2090D. ETSE. Campus UAB.
> 080193 Bellaterra
>
> _______________________________________________
> Qemu-devel mailing list
> Qemu-devel@nongnu.org
> http://lists.nongnu.org/mailman/listinfo/qemu-devel
>
>
>
>

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Re: [Qemu-devel] SystemC Cosimulation

[Màrius Montón]

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Our work on SystemC + QEMU has been published:
http://cephis.uab.es/proj/public/qemu/
We put a patch against qemu-0.8.2 source code.

Any comments will be appreciated!

Enjoy,

Màrius

Màrius Montón wrote:
> Yes, thats the idea behind our work.
> We write a module for qemu that emulates Altera PCI Core. By one side
> this module is 'attached' to qemu PCI bus, and for on the other side
> is the systemC interface to any module you write. Then, any OS running
> into Qemu sees this new PCI device, and you can develop your driver,
> of course.
>
> Actually, all this stuff must be compiled and linked together, and
> when running systemC simulation, qemu is freezed, so no time
> considerations can be taken.
>
> In next version, I'll try to split into two executables: one for qemu
> and one for systemC simulator, both connected using sockets or
> something similar.
>
> we will publish this work in our website soon
>
> Thank for you attention,
>
> Màrius
>
> Doug Schaefer wrote:
>>
>> Very cool. I’m guessing that this means that you can take any SystemC
>> design and use qemu to develop drivers for it, yes?
>>
>>  
>>
>> Cheers,
>>
>> Doug Schaefer
>>
>>  
>>
>> ------------------------------------------------------------------------
>>
>> *From:* qemu-devel-bounces+dschaefer=qnx.com@nongnu.org
>> [mailto:qemu-devel-bounces+dschaefer=qnx.com@nongnu.org] *On Behalf
>> Of *Màrius Montón
>> *Sent:* Monday, November 20, 2006 1:37 PM
>> *To:* qemu-devel@nongnu.org
>> *Subject:* [Qemu-devel] SystemC Cosimulation
>>
>>  
>>
>> Hi,
>>
>> As a HW researcher, me and one student at my charge have develop a
>> device to Qemu. This device is connecto to virtual PC as a PCI
>> device, and its functionality is described using SystemC.
>>
>> I'm finishing to clean the code up, and our intention is to publish
>> all code. Also, I will continue development of this work to add more
>> features (like async communications and IRQ generation).
>>
>> Thanks,
>>
>> Màrius Montón
>>
>>  
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> Qemu-devel mailing list
>> Qemu-devel@nongnu.org
>> http://lists.nongnu.org/mailman/listinfo/qemu-devel
>>   
>
> -- 
> Màrius Montón i Macián   marius.monton@uab.cat
> <mailto:marius.monton@uab.cat>  http://cephis.uab.es
> <http://www.mariusmonton.name>
> Hardware Engineer
> CEPHIS
> Centre de Prototips i Solucions Hardware-Software
> Dep. Microelectrònica i Sistemes Electrònics
> ETSE - Universitat Autònoma de Barcelona (UAB) 	Phone: +34 935 813 534
> Fax: +34 935 813 033
> QC-2090D. ETSE. Campus UAB.
> 080193 Bellaterra
>
> _______________________________________________
> Qemu-devel mailing list
> Qemu-devel@nongnu.org
> http://lists.nongnu.org/mailman/listinfo/qemu-devel
>   

-- 
Màrius Montón i Macián   marius.monton@uab.cat
<mailto:marius.monton@uab.cat>  http://cephis.uab.es
<http://www.mariusmonton.name>
Hardware Engineer
CEPHIS
Centre de Prototips i Solucions Hardware-Software
Dep. Microelectrònica i Sistemes Electrònics
ETSE - Universitat Autònoma de Barcelona (UAB) 	Phone: +34 935 813 534
Fax: +34 935 813 033
QC-2090D. ETSE. Campus UAB.
080193 Bellaterra



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Re: [Qemu-devel] SystemC Cosimulation

[Johannes Schindelin]

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Hi,

On Wed, 22 Nov 2006, Màrius Montón wrote:

> Our work on SystemC + QEMU has been published:
> http://cephis.uab.es/proj/public/qemu/

Great!

A few comments (as you said they are welcome):

- As far as I saw, you use C++, but the code is simple enough to be 
written in C. This is needed by SystemC, correct?

- the c++ compiler is typically called CXX, not CC2, in Makefiles

- your diff contains changes to arm-user/Makefile and likewise for other 
targets. These Makefiles are just copies of Makefile.target; you should 
patch only this.

- there are backup files in your patch

- some namings are non-English ("llegir", "escriure"). Please use the 
English terms "read" and "write" instead

- (minor nit) the indentation of hw/pc.c is incorrect

- (minor nit) the file names and function names in QEmu are lower case 
("SCLink.c", "SC_init()")

- since the SystemC code is not target specific (or is it?), you could 
have it in its own subdirectory, like the audio/ stuff

- this code depends on SystemC being present, right? You should add a 
configure option, and disable this code (including CXX linking) if the 
option was not passed -- there are probably many more users without the 
necessary dependencies

- if you want to submit it to the list, you can do so as an attached 
gzipped patch

Ciao,
Dscho

Re: [Qemu-devel] SystemC Cosimulation

[Màrius Montón]

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Hi,

of course comments are welcome!
And yes, you're right about all of them. we will fix it ASAP.

In other hand, we don't expect to do this plugin official to QEMU. we
think it's too specific and it's useless to "normal" qemu user.

By the way,  I'd like ask to mailing list if people think it's good
enough to make this work official inside QEMU.

Thanks for suggestions and answers!

Màrius

Johannes Schindelin wrote:
> Hi,
>
> On Wed, 22 Nov 2006, Màrius Montón wrote:
>
>   
>> Our work on SystemC + QEMU has been published:
>> http://cephis.uab.es/proj/public/qemu/
>>     
>
> Great!
>
> A few comments (as you said they are welcome):
>
> - As far as I saw, you use C++, but the code is simple enough to be 
> written in C. This is needed by SystemC, correct?
>
> - the c++ compiler is typically called CXX, not CC2, in Makefiles
>
> - your diff contains changes to arm-user/Makefile and likewise for other 
> targets. These Makefiles are just copies of Makefile.target; you should 
> patch only this.
>
> - there are backup files in your patch
>
> - some namings are non-English ("llegir", "escriure"). Please use the 
> English terms "read" and "write" instead
>
> - (minor nit) the indentation of hw/pc.c is incorrect
>
> - (minor nit) the file names and function names in QEmu are lower case 
> ("SCLink.c", "SC_init()")
>
> - since the SystemC code is not target specific (or is it?), you could 
> have it in its own subdirectory, like the audio/ stuff
>
> - this code depends on SystemC being present, right? You should add a 
> configure option, and disable this code (including CXX linking) if the 
> option was not passed -- there are probably many more users without the 
> necessary dependencies
>
> - if you want to submit it to the list, you can do so as an attached 
> gzipped patch
>
> Ciao,
> Dscho
>
>   
> ------------------------------------------------------------------------
>
> _______________________________________________
> Qemu-devel mailing list
> Qemu-devel@nongnu.org
> http://lists.nongnu.org/mailman/listinfo/qemu-devel
>   

-- 
Màrius Montón i Macián   marius.monton@uab.cat
<mailto:marius.monton@uab.cat>  http://cephis.uab.es
<http://www.mariusmonton.name>
Hardware Engineer
CEPHIS
Centre de Prototips i Solucions Hardware-Software
Dep. Microelectrònica i Sistemes Electrònics
ETSE - Universitat Autònoma de Barcelona (UAB) 	Phone: +34 935 813 534
Fax: +34 935 813 033
QC-2090D. ETSE. Campus UAB.
080193 Bellaterra



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Re: [Qemu-devel] SystemC Cosimulation

[Màrius Montón]

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New version of SystemC + QEMU has been released.

This new version adds AHB slave written in systemC to ARM's versatile
development board.

Bugs, errors, and suggestions are welcome.

regards,

-- 
Màrius Montón i Macián   marius.monton@uab.cat
<mailto:marius.monton@uab.cat>  http://cephis.uab.es
<http://www.mariusmonton.name>
Hardware Engineer
CEPHIS
Centre de Prototips i Solucions Hardware-Software
Dep. Microelectrònica i Sistemes Electrònics
ETSE - Universitat Autònoma de Barcelona (UAB) 	Phone: +34 935 813 534
Fax: +34 935 813 033
QC-2090D. ETSE. Campus UAB.
080193 Bellaterra



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Re: [Qemu-devel] SystemC Cosimulation

[Ricardo Almeida]

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Hi,

1 - You should include a link to the project page... Here it is :)
http://cephis.uab.es/proj/public/qemu/index.htm
2 - It gives a TomCat Error...

Regards,
Ricardo Almeida

On 12/11/06, Màrius Montón <marius.monton@uab.es> wrote:
>
>  New version of SystemC + QEMU has been released.
>
> This new version adds AHB slave written in systemC to ARM's versatile
> development board.
>
> Bugs, errors, and suggestions are welcome.
>
> regards,
>
> --
>   Màrius Montón i Macián   marius.monton@uab.cat   http://cephis.uab.es<http://www.mariusmonton.name>
> Hardware Engineer
>  CEPHIS
> Centre de Prototips i Solucions Hardware-Software
> Dep. Microelectrònica i Sistemes Electrònics
> ETSE - Universitat Autònoma de Barcelona (UAB)  Phone: +34 935 813 534
>  Fax: +34 935 813 033
>  QC-2090D. ETSE. Campus UAB.
>  080193 Bellaterra
>
> _______________________________________________
> Qemu-devel mailing list
> Qemu-devel@nongnu.org
> http://lists.nongnu.org/mailman/listinfo/qemu-devel
>
>
>
>

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[Qemu-devel] SystemC Cosimulation

[Màrius Montón]

[-- Attachment #1.1: Type: text/plain, Size: 433 bytes --]

Hi,

As a HW researcher, me and one student at my charge have develop a
device to Qemu. This device is connecto to virtual PC as a PCI device,
and its functionality is described using SystemC.

I'm finishing to clean the code up, and our intention is to publish all
code. Also, I will continue development of this work to add more
features (like async communications and IRQ generation).

Thanks,

Màrius Montón





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