I think a useful application could be in some microprocessors like
Allwinner A10, A13, etc.
It could be possible to create a board without DDR memory and use the
internal cache as SRAM memory.
For example A13 is low cost:
https://aliexpress.com/item/1005001719371194.html has an easy to solder
pac
Thank you Alan, this is a nice read, and it touches Cache as RAM
(CAR), while I was thinking about putting whole RTOS inside cache :D
L1 cache is the fastest memory possible, faster than L2, and a lot
faster than DRAM/SRAM, that is faster than any storage drive :-) Just
a curiosity :-)
Tomek
On We
Hi Tomek,
Yes, it is possible, coreboot (LinuxBIOS) did it more than 20 years ago:
https://web.archive.org/web/20200530213938/https://www.coreboot.org/images/6/6c/LBCar.pdf
But since the computer normally will have DDR memory in the board, there is
not much motivation to do it for NuttX.
BR,
Al
Hello world :-)
This post on LinkedIn by Laurie Laurie Kirk inspired me, as I know
Raiden is working on x86/AMD64 port of NuttX, and I have recenlty
upgraded my main desktop to Intel Ultra9 285K that has 36 MB Intel
Smart Cache / 40MB L2 Cache. Maybe a nice challenge to see it NuttX
can run entire
On Wed, May 21, 2025 at 10:59:08AM +0200, Alin Jerpelea wrote:
> Hi Mateo,
>
> I like the initiative but there are some things to consider
The replies to my email make a lot of sense. There are definitely some things I
didn't know about! I put my responses
below:
>
> On Tue, May 20, 2025 at 11
On Wed, May 21, 2025 at 10:59 AM Alin Jerpelea wrote:
> Hi Mateo,
> I like the initiative but there are some things to consider
>
> On Tue, May 20, 2025 at 11:47 PM Tomek CEDRO wrote:
> > On Tue, May 20, 2025 at 10:24 PM Matteo Golin
> > wrote:
> > > I took a look at the NuttX GitHub page, and n
Hi KR,
Everything is fine. I opened that PR with your modifications, but later
Alin included your new patches in the original PR that he opened with your
previous patches.
BR,
Alan
On Wednesday, May 21, 2025, wrote:
> Hello,
>
> I noticed that the patches are now merged in master branch. Than
Hello,
while working on documentation for AVR DA/DB chips, I noticed that two
documents related to networking in the simulator architecture are
leaking to the Table of Contents for supported platforms. I prepared a
patch to fix this - it is attached to this message as
0001a-Documentation-plat
Hello,
I noticed that the patches are now merged in master branch. Thanks to
everyone for the support. I also noticed that for a brief period there
was a second pull request (#16410) - it is now closed but it did mention
some problem. So just to be sure, is there something that still needs to
Hi Mateo,
I like the initiative but there are some things to consider
On Tue, May 20, 2025 at 11:47 PM Tomek CEDRO wrote:
> Hey there Matteo :-)
>
> On Tue, May 20, 2025 at 10:24 PM Matteo Golin
> wrote:
> > Hello everyone,
> > While making changes to some of the documentation here on NuttX, I
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