Path: ...!news.mixmin.net!news.swapon.de!news.in-chemnitz.de!3.eu.feeder.erje.net!feeder.erje.net!newsfeed.bofh.team!paganini.bofh.team!not-for-mail From: antispam@fricas.org (Waldek Hebisch) Newsgroups: comp.lang.forth Subject: Re: 1 euro Olimex RISC-V mini-PC: this needs Forth ;) Date: Fri, 18 Oct 2024 14:14:50 -0000 (UTC) Organization: To protect and to server Message-ID: References: <87frpoewse.fsf@nightsong.com> <98a56949ecf56338a633a5f515d941c0@www.novabbs.com> Injection-Date: Fri, 18 Oct 2024 14:14:50 -0000 (UTC) Injection-Info: paganini.bofh.team; logging-data="1710997"; posting-host="WwiNTD3IIceGeoS5hCc4+A.user.paganini.bofh.team"; mail-complaints-to="usenet@bofh.team"; posting-account="9dIQLXBM7WM9KzA+yjdR4A"; User-Agent: tin/2.6.2-20221225 ("Pittyvaich") (Linux/6.1.0-9-amd64 (x86_64)) X-Notice: Filtered by postfilter v. 0.9.3 Bytes: 3473 Lines: 60 albert@spenarnc.xs4all.nl wrote: > In article , > Waldek Hebisch wrote: >>LIT wrote: >>>> I ordered 3 kinds: 64Mb, 256Mb and Milkv-Duo-S (this has 512 Mb). >>>> Linux images fetched from Github boot fine and simple things >>>> work. This is very minimal Linux, on 64Mb board I get: >>>> >>>> [root@milkv-duo]~# cat /proc/cpuinfo >>>> processor : 0 >>>> hart : 0 >>>> isa : rv64imafdvcsu >>>> mmu : sv39 >>>> >>>> [root@milkv-duo]~# df >>>> Filesystem 1K-blocks Used Available Use% Mounted on >>>> /dev/root 770048 177105 549526 25% / >>> >>> This must be the "largest" one, not that 64 MB, >>> from what I see ("Available 549526" and its >>> prompt "root@milkv-duo")? Correct? >> >>No. 'df' report "disc" (actually SD-card) space. 'free' reports >>RAM: >> >>[root@milkv-duo]~# free >> total used free shared buff/cache available >>Mem: 28972 14496 4148 76 10328 11720 >>Swap: 0 0 0 >> >>As you can see "total" is about 29Mb with 4Mb free. I put total in >>quotes because part of RAM is reserved and in default configuration >>there is large hunk reserved for media (camera, TPU, etc). >> >>Concerning prompt, the 64Mb boards runs Linux and by default offers >>root login. >> >>-- >> Waldek Hebisch > > For what it is worth. > I have ported the ciforth model (only 64 bits,the 5.4.0 level) onto > linux running on a riscv, taking advantage from earlier Dutch > implementation of noforth for triecky code words (UMD/MOD). > http://home.hccnet.nl/a.w.m.van.der.horst/lina.html > As usual, all words are extensively tested, all words are documented. Thanks, works on Milkv. > Once you have mapped the io space in virtual space and access it > via VMA-IO, you can apply all knowledge gained from the documentation > of the underlying System On a Chip. > For this particular board the printed circuit layout, the schematics > (9 pages) and a full 1000+ page documentation of the SoC (Allwinner > D1) is available. That is why I bought it. For Milkv there are schematics and chipset documentation (I did not check how complete it is). -- Waldek Hebisch