Re: [Pnet-developers] [pnet] PNET_TOOLS

[ktreichel]

Hi Lothar,

I know that there is an arm port which id built with cross compiling but i 
never did it myself.

> -----Ursprüngliche Nachricht-----
> Von: Lothar Heinrich <address@hidden>
> Gesendet: 17.11.06 16:42:15
> An: address@hidden
> Betreff: [Pnet-developers] [pnet] PNET_TOOLS


> Hi,
> 
> I'm working on installing/porting the portable.NET runtime engine to
> snapgear running on leonII-sparcV8 hardware (http://www.gaisler.com/ ...
> Leon2)
> 
> First step is to execute simple CIL programms, things like GUI
> components are not needed.
> 
> After this, i have to modify the interpreter in that way, that it is
> able to use a special modified instruction set. The goal is, to compute
> range checks implicit in hardware in an extra execution stage.
> 
> My fist attempt to cross compile portable.NET to the specific hardware
> seems to be successfuly. At least compiling the pnet-distribution with
> sparc-linux-gcc finishd without errors or warnings, all needed
> executables are created (ilrun, ...) Unfortunately at this time I can't
> verify the compiled programms cause I'm not able to install these files
> on the snapgear distribution. Snapgear creates an image of the whole
> distribution, this image is loaded to the development board
> (GR-XC3S-1500) and startet by an external programm connected via com
> port.
> 
> Currently I'm trying to include all needed parts of portable.NET into
> the snapgear distribution. During compiling snapgear, portable.NET
> should be also compiled. After this, it should be easy to execute ilrun,
> caus it will be part of the snapgear image.
> 
> my questions:
> 
> Does anybody have tried something similar?
> 
> Is it posible to modify the portable.NET interpreter to use a special
> instruction set. (for examle a modified load, which loads upper bounds
> in a special register)
> 

You can add the oppcodes you need to the cvm coder and interpreter.
Maybe you should have a look at the unrolling feature too.

> During code review i found usage of the environment? variable PNET_TOOLS
> in Makefile.in. How can i bypass a value (false) to auto_gen.sh to
> create a proper Makefile.in for just compiling the runtime engine?
> 

Try the --disable-tools switch for configure in pnet.

> Which programms and libraries are essential to execute CIL programms?
> I.e. I don't need a C# comiler. Am I on the right track, just focusing
> on ilrun?
> 
> Finally i want to inform about a possible bug in the build process of
> the pnet directory:
> 
> During my work, i tried to compile pnet from cvs. Therefor i called
> auto_gen.sh, "./configure --prefix=/somewhere/in/my/home/dir" and make
> During "make install" running as normal user the following error ocours:
> mkdir -p ... unable to make directory /gc ...
> It seams, that somewere in the auto_gen/configure part a needed variable
> is not set.
> Compiling pnet from tar.gz package finished without errors.
> Compiling pnet from tar.gz _after_ calling auto_gen.sh results in the
> same error.

Does the problem occure during make install of libgc ?

> 
> best regards,
> Lothar Heinrich, student at TU-Graz - Austria
> 

Klaus


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