[Cuis] ChromeOS vs Cog VM

Fri Nov 20 20:10:23 CST 2015

We can run Smalltalk on our ARM ChromeBooks!?!?

Where's the nearest How-to?

On 20 November 2015 at 18:00,  <cuis-request at jvuletich.org> wrote:
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> Today's Topics:
>
>    1. Re: Patterns (KenD)
>    2. ChromeOS vs Cog VM (KenD)
>    3. Re: ChromeOS vs Cog VM (KenD)
>    4. Re: ChromeOS vs Cog VM (Ignacio Sniechowski)
>    5. Re: ChromeOS vs Cog VM (KenD)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 19 Nov 2015 14:06:17 -0800
> From: KenD <Ken.Dickey at Whidbey.com>
> To: Discussion of Cuis Smalltalk <cuis at jvuletich.org>
> Subject: Re: [Cuis] Patterns
> Message-ID: <20151119140617.2b8f709d321e79c421f5e7a8 at Whidbey.com>
> Content-Type: text/plain; charset=US-ASCII
>
> Greetings all!
>
> I have been without power for a few days.  Overhead power lines through forest with 70 mph "wind events" each winter is a guarantee of on-island jobs and the lineman's union is very adverse to underground phone lines.  I must say that this does add interest to the "island living" experience!  8^)
>
> Boy, did I miss a lot of eMail conversations!
>
>
> On Wed, 18 Nov 2015 11:00:41 -0300
> Juan Vuletich <juan at jvuletich.org> wrote:
>
>> > follow the BrowserWindow class #openBrowser and get MNU: owner
>> > follow the ColorEditorPanel class #initializedInstance and get wrong color subMorphs
>> >
>> >   - Dan
>
>> This is much nicer, thanks! To make the BrowserWindow style work, all
>> you have to do is to have #open answer the new instance (instead of the
>> class). WRT the ColorEditorPanel style, maybe Ken can comment, or a
>> little debugging is in order :)
>
> Actually, I was looking at color backgrounds which would not clash badly with color display and sliders.  Suggestions welcomed.  I still be learning too!
>
> Glad to be back online,
> -KenD
>
>
>
> ------------------------------
>
> Message: 2
> Date: Thu, 19 Nov 2015 14:36:28 -0800
> From: KenD <Ken.Dickey at Whidbey.com>
> To: Discussion of Cuis Smalltalk <cuis at jvuletich.org>
> Cc: tim Rowledge <tim at rowledge.org>
> Subject: [Cuis] ChromeOS vs Cog VM
> Message-ID: <20151119143628.303636338485b6c420e023a7 at Whidbey.com>
> Content-Type: text/plain; charset=US-ASCII
>
> By the way, I got a chance to work with Tim Rowledge at the Nanaimo Camp Smalltalk.
>
> I'm sure Tim would have rather showed me around the Raspberry Pi VM work, but I have been unable to get any Cog VMs to work on either of my ARM Chromebooks.
>
> CogVM works fine on the ATM RasPi system.
>
> It turns out that Chromebooks are very serious about protecting maximally against code hijacking.  They don't allow arbitrary code to be written into memory and executed.
>
> This is very good for safety in an uncertain world, but is also the definition of Just-In-Time code generation.
>
> I expected that Google's V8 JavaScript, which JITs, would show how to do this sanely under ChromeOS so that we could Cog it, but the code base for V8 shows that they only run the bytecodes -- no JIT -- on Chromebooks.
>
>
> There is hope for the future, but some changes will be required:
> See
>
> "Exploiting and Protecting Dynamic Code Generation"
>
> https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwjguP_RxJ3JAhXQT4gKHS2VAUYQFggeMAA&url=http%3A%2F%2Fwenke.gtisc.gatech.edu%2Fpapers%2Fsdcg.pdf&usg=AFQjCNF52_QFDuMcP05WvfeHNi2wUK-yHg&sig2=8SzTcWKA7VBubmzdzJmIiA
>
>
> Google's "Safe Self-Modifying Code" patent: (Patent! Ack!! 8^{)
>
> https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&cad=rja&uact=8&ved=0ahUKEwilmsKlxZ3JAhVRKYgKHfXgDOMQFgg5MAM&url=http%3A%2F%2Fwww.google.com%2Fpatents%2FUS8850574&usg=AFQjCNHTAbYqbvqy80Edcww1YDsgUvoKMQ&sig2=FK01uFZEn778RNmRm7iz4A
>
>
> Also "Certified Self-Modifying Code"
>
> http://flint.cs.yale.edu/flint/publications/smctr.pdf
>
> More hoops, sigh.
>
> FYI,
> -KenD
>
>
>
> ------------------------------
>
> Message: 3
> Date: Thu, 19 Nov 2015 14:38:31 -0800
> From: KenD <Ken.Dickey at Whidbey.com>
> To: Discussion of Cuis Smalltalk <cuis at jvuletich.org>
> Cc: tim Rowledge <tim at rowledge.org>
> Subject: Re: [Cuis] ChromeOS vs Cog VM
> Message-ID: <20151119143831.7d441ccd80e851e278a5d16d at Whidbey.com>
> Content-Type: text/plain; charset=US-ASCII
>
> On Thu, 19 Nov 2015 14:36:28 -0800
> KenD <Ken.Dickey at Whidbey.com> wrote:
>
>> CogVM works fine on the ATM RasPi system.
>
> Sorry.  That is the _ARM_ Raspberry Pi system.
>
> Sausage fingers, sigh.
> -KenD
>
>
>
> ------------------------------
>
> Message: 4
> Date: Thu, 19 Nov 2015 20:02:53 -0300
> From: Ignacio Sniechowski <0800nacho at gmail.com>
> To: Discussion of Cuis Smalltalk <cuis at jvuletich.org>
> Cc: tim Rowledge <tim at rowledge.org>
> Subject: Re: [Cuis] ChromeOS vs Cog VM
> Message-ID:
>         <CAMCzT-bUaAG74XmJVrM+p1jOhS-zGhE3HS8mQu-fAsuvtOm39w at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> In my x86 chromebook I had to chroot through crouton and run Cuis from
> there.
> It seems that porting the VM to NaCL is indeed a daunting job....
> Perhaps once web assembly is there, things turn a little easier, I don't
> know.
> cheers!
>
>
> *Lic. Ignacio Sniechowski, MBA*
> *Prosavic SRL*
>
> *Tel: (011) 4542-6714*
>
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> On Thu, Nov 19, 2015 at 7:38 PM, KenD <Ken.Dickey at whidbey.com> wrote:
>
>> On Thu, 19 Nov 2015 14:36:28 -0800
>> KenD <Ken.Dickey at Whidbey.com> wrote:
>>
>> > CogVM works fine on the ATM RasPi system.
>>
>> Sorry.  That is the _ARM_ Raspberry Pi system.
>>
>> Sausage fingers, sigh.
>> -KenD
>>
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> ------------------------------
>
> Message: 5
> Date: Thu, 19 Nov 2015 16:27:32 -0800
> From: KenD <Ken.Dickey at Whidbey.com>
> To: cuis at jvuletich.org
> Subject: Re: [Cuis] ChromeOS vs Cog VM
> Message-ID: <20151119162732.d1620999640219efc0ace630 at Whidbey.com>
> Content-Type: text/plain; charset=US-ASCII
>
> On Thu, 19 Nov 2015 20:02:53 -0300
> Ignacio Sniechowski <0800nacho at gmail.com> wrote:
>
>> In my x86 chromebook I had to chroot through crouton and run Cuis from
>> there.
>
> That is what I am doing, using the stack-vm for ARM.
>
>
>> It seems that porting the VM to NaCL is indeed a daunting job....
>
> So it would appear..
>
>
> Cheers,
> -KenD
>
>
>
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> End of Cuis Digest, Vol 41, Issue 29
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