[Vm-beginners] What I would like to do is get a 64 bit VM compiled to native 64 powering a 64 bit image.

[Herbert König]

Hi,

sorry no help but Kudos for what you are digging through.

Herbert

Am 26.02.2014 22:32, schrieb gettimothy:
> Hi All.
>
> Please excuse any mistakes in terminology as I wrap my feeble mind 
> around this stuff.
>
> To my happy surprise, building a VM per 
> http://wiki.squeak.org/squeak/6177
>
>      1. builds a standard 32 bit VM
>      2. The 32 bit VM compiles to native 64 on linux: (ELF 64-bit LSB  
> executable, x86-64, version 1 (SYSV), dynamically linked (uses shared 
> libs), not stripped)
>      3. and powers a 32 bit Squeak4.x image.
>
> (I think I stated that correctly)
>
> The above runs perfectly on my pure-64 boot partition with no 32 bit 
> compat libs..its a wonderful feeling.
>
> What I would like to do next is get a 64 bit VM compiled to native 64 
> powering a 64 bit image (64x64x64) as that is my goal for 
> StackInterpreter and then Cog going forward. (and then kernel mode, 
> multi-processor ala roarVM...VAX...)
>
> With the Squeak4.x build, cmake's configure --help provides a 
> --image64  option that  builds a VM for running 64-bit images.
> That vm builds just fine, but I have not been able to find a 
> compatible 64 bit image that it will run!
> The instructions to create a 64 bit image using SystemTracer did not 
> pan out (the instructions to file-in System-Tracing.1.cs and 
> All64BitChanges.1.cs don't apply as there is no All64BitChanges.1.cs 
> to file in. I flailed a bit with the other files there, but gave up 
> temporarily
> ) and scouring the bowels of the internet yielded no appropriate ready 
> made image. I will return to this, but being lazy by nature--I turned 
> to  David's work 
> athttp://squeakvm.org/squeak64/sq64-20101106-dtl-sources-and-image.zip 
> <http://squeakvm.org/squeak64/sq64-20101106-dtl-sources-and-image.zip>hoping 
> for an easy way out of this.
>
> David's zip runs a Squeak3.8-gamma 64 bit image, but it is powered by 
> a 32 bit VM (?) that is compiled to a native 64 bit executable. So, at 
> this point we are 64x64x32--32 short of the goal.
> So, I think, ok, compile a 64 bit VM to run the 64 bit image from the 
> 64 bit image--easy-peasy,right?The build worked just fine, but I got 
> the  error from the FAQ that states
>
>
>
>     If you try to run a 64-bit image with a VM built for 32-bit
>     images, you will get an error message such as this:
>
>         This interpreter (vers. 6502) cannot read image file (vers.
>         68000). 
>
> where (vers. 6502) displayed as  (vers. 0) when I tried to launch the 
> original 64 bit image from which I had just created the vm.
>
> The VMMakerTool on the 3.8 gamma does not have the 64 bit vm check 
> box--or if it does, it is well hidden.
> The CMake configure script for the 3.8 gamma does not support the 
> --image64 option either.
>
> So, I am thinking now, to "port" the Squeak3.8-gamma source tree to 
> the squeak4.x Cmake configuration, but I really don't know if this is 
> a valid approach.
>
> If there is anything obvious that you see that I am missing, I would 
> appreciate your advice on how to proceed. If not, I will keep poking away!
>
> Thank you for your time
>
> cordially,
>
>
> tty.
>
>
>
>
>
> Thanks for your time.
>
> tty.
>
>
>
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