:: Re: [DNG] OT: most processors are i…
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著者: Alessandro Selli
日付:  
To: dng
題目: Re: [DNG] OT: most processors are insecure (was Re: Nvidia Drivers)
On Wed, 16 Aug 2017 at 23:11:32 +0200
Adam Borowski <kilobyte@???> wrote:

> On Wed, Aug 16, 2017 at 01:26:15PM -0700, Rick Moen wrote:
> > I'm watching the J-Core project, which has resurrected the Hitachi
> > SuperH SH3/SH4 architecture as the patents expire, and should have a
> > fully fleshed 64-bit RISC system out in a couple of years. At that
> > point, you'll have reasonably modern, general-purpose computing with no
> > blackbox hardware/firmware/software subsystems whatsoever.
> > http://j-core.org/
>
> Alas, they seem to be suspiciously quiet within the last year or so.


Plus, it seems to target SoC and IoT devices rather than desktops:

http://j-core.org/roadmap.html

"This is a NOMMU chip, implemented as Harvard architecture (separate
Instruction and Data busses) with a 5 stage pipeline, with 16k cache (8k
instruction, 8k data), supported by a memory controller interfacing with up
to 256 megabytes of lpddr memory (in one low cost memory chip)."

So, it's a 32-bit chip with no MMU, no FPU, 2-way SMP and 256 MiB maximum
memory. :-(


Alessandro