that is, blackice II will not start? (yes, by the way, how small the wo= rld is - you and I, Richard, cross each other on the mystorm forum)<= /div>

= =D0=BF=D1=82, 16 =D0=B0=D0=B2=D0=B3. 2019 =D0=B3., 16:56 Richard Miller <= ;9fans@hamnavoe.com>:

> Do you mean something like BlackIce II= (I'm under RV32I)?

Yes, I have tried various soft cores on BlackIce (including
one of my own design, for fun); also real silicon HiFive-1.
So far none of these has had an MMU, which is required for
Plan 9 (though not for Inferno).

--000000000000f2ea430590419445-- From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 References: <16b84db8d961285c9000bca1d2d20f04@hamnavoe.com> In-Reply-To: <16b84db8d961285c9000bca1d2d20f04@hamnavoe.com> From: minux Date: Fri, 16 Aug 2019 18:54:51 -0400 Message-ID: To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: text/plain; charset="UTF-8" Subject: Re: [9fans] RISC-V (was: Plan9 on radpberry pi zero ?) Topicbox-Message-UUID: 0538e446-eada-11e9-9d60-3106f5b1d025 On Fri, Aug 16, 2019 at 9:56 AM Richard Miller <9fans@hamnavoe.com> wrote: > > Do you mean something like BlackIce II (I'm under RV32I)? > > Yes, I have tried various soft cores on BlackIce (including > one of my own design, for fun); also real silicon HiFive-1. > So far none of these has had an MMU, which is required for > Plan 9 (though not for Inferno). Speaking of RISC-V with MMU for Plan 9, Kendryte K210 is a 28nm MCU with dual core RV64GC and Linux capable MMU (!). It has 8MB onchip SRAM and also NN, FFT accelerators. I think that makes a good platform for Plan 9 on RISC-V, on a real silicon. It also has a lot of really cheap evaluation board options available. (The only other currently available RV64GC w/ MMU silicon is the Hifive unleashed, which is very expensive.) The only major problem of K210 is that its IO capabilities are fairly limited and you need external Ethernet/Wifi solutions on SPI bus, which is likely slow. From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 References: <16b84db8d961285c9000bca1d2d20f04@hamnavoe.com> In-Reply-To: From: =?UTF-8?B?0J7Qu9C10LMg0JHQsNGF0LDRgNC10LI=?= Date: Sat, 17 Aug 2019 08:57:28 +0300 Message-ID: To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: multipart/alternative; boundary="000000000000de9289059049c873" Subject: Re: [9fans] RISC-V (was: Plan9 on radpberry pi zero ?) Topicbox-Message-UUID: 053d420c-eada-11e9-9d60-3106f5b1d025 --000000000000de9289059049c873 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable By the way, I meant kendryte k210. and the board, for example, maix bit, is very cheap (you can get a stock from Bangood.com) =D1=81=D0=B1, 17 =D0=B0=D0=B2=D0=B3. 2019 =D0=B3., 1:56 minux : > On Fri, Aug 16, 2019 at 9:56 AM Richard Miller <9fans@hamnavoe.com> wrote= : > > > Do you mean something like BlackIce II (I'm under RV32I)? > > > > Yes, I have tried various soft cores on BlackIce (including > > one of my own design, for fun); also real silicon HiFive-1. > > So far none of these has had an MMU, which is required for > > Plan 9 (though not for Inferno). > > Speaking of RISC-V with MMU for Plan 9, Kendryte K210 is a 28nm MCU > with dual core RV64GC and Linux capable MMU (!). It has 8MB onchip > SRAM and also NN, FFT accelerators. > I think that makes a good platform for Plan 9 on RISC-V, on a real silico= n. > It also has a lot of really cheap evaluation board options available. > (The only other currently available RV64GC w/ MMU silicon is the > Hifive unleashed, which is very expensive.) > > The only major problem of K210 is that its IO capabilities are fairly > limited and you need external Ethernet/Wifi solutions on SPI bus, > which is likely slow. > > --000000000000de9289059049c873 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

By the way, I meant kendryte k210. and the board, for example, maix bit= , is very cheap (you can get a stock from Bangood.com)

=D1=81=D0=B1, = 17 =D0=B0=D0=B2=D0=B3. 2019 =D0=B3., 1:56 minux <minux.ma@gmail.com>:

On Fri, Aug 16, 2019 at 9:56 AM Richard Miller <9fans@hamnavoe.c= om> wrote:
> > Do you mean something like BlackIce II (I'm under RV32I)?
>
> Yes, I have tried various soft cores on BlackIce (including
> one of my own design, for fun); also real silicon HiFive-1.
> So far none of these has had an MMU, which is required for
> Plan 9 (though not for Inferno).

Speaking of RISC-V with MMU for Plan 9, Kendryte K210 is a 28nm MCU
with dual core RV64GC and Linux capable MMU (!). It has 8MB onchip
SRAM and also NN, FFT accelerators.
I think that makes a good platform for Plan 9 on RISC-V, on a real silicon.=
It also has a lot of really cheap evaluation board options available.
(The only other currently available RV64GC w/ MMU silicon is the
Hifive unleashed, which is very expensive.)

The only major problem of K210 is that its IO capabilities are fairly
limited and you need external Ethernet/Wifi solutions on SPI bus,
which is likely slow.

--000000000000de9289059049c873-- From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <379961db1f51cad032f2fe2098b1ca40@hamnavoe.com> To: 9fans@9fans.net From: Richard Miller <9fans@hamnavoe.com> Date: Sun, 18 Aug 2019 13:05:51 +0100 In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Subject: Re: [9fans] RISC-V (was: Plan9 on radpberry pi zero ?) Topicbox-Message-UUID: 054151e4-eada-11e9-9d60-3106f5b1d025 > that is, blackice II will not start? I think it should be possible to add an MMU to a small RISC-V core (eg picorv32) to fit on BlackIce II or MX, but I haven't tried it myself. You would also need some external RAM. I've been experimenting with an 8MB hyperram chip, which is enough for bootstrapping the C compiler in a "bare metal" setting, but a full Plan 9 would need lots more. From mboxrd@z Thu Jan 1 00:00:00 1970 User-Agent: Cyrus-JMAP/3.1.6-877-g11309a8-fmstable-20190819v1 Mime-Version: 1.0 Message-Id: <3af45613-4f6f-4ce5-82ad-42bf30a22a33@www.fastmail.com> In-Reply-To: References: <994f9a11ad2be2399ac60b43626a0307@hamnavoe.com> Date: Mon, 19 Aug 2019 15:42:30 +0100 From: "Ethan Gardener" To: 9fans@9fans.net Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [9fans] Plan9 on radpberry pi zero ? Topicbox-Message-UUID: 0562f330-eada-11e9-9d60-3106f5b1d025 On Fri, Aug 16, 2019, at 2:26 PM, =D0=9E=D0=BB=D0=B5=D0=B3 =D0=91=D0=B0=D1= =85=D0=B0=D1=80=D0=B5=D0=B2 wrote: >=20 > Do you mean something like BlackIce II (I'm under RV32I)? There is sti= ll one interesting board (inexpensive) on the RISC V 64 bit (RV64IMAG) -= if you want I will show where to get Yes please From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 References: <994f9a11ad2be2399ac60b43626a0307@hamnavoe.com> <3af45613-4f6f-4ce5-82ad-42bf30a22a33@www.fastmail.com> In-Reply-To: <3af45613-4f6f-4ce5-82ad-42bf30a22a33@www.fastmail.com> From: =?UTF-8?B?0J7Qu9C10LMg0JHQsNGF0LDRgNC10LI=?= Date: Mon, 19 Aug 2019 18:29:07 +0300 Message-ID: To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: multipart/alternative; boundary="00000000000035345505907a01ad" Subject: Re: [9fans] Plan9 on radpberry pi zero ? Topicbox-Message-UUID: 05728962-eada-11e9-9d60-3106f5b1d025 --00000000000035345505907a01ad Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Board with K210 from Kendryte: https://ru-m.banggood.com/Sipeed-Maix-BIT-RISC-V-Dual-Core-64bit-CPU-With-F= PU-AI-Module-Core-Board-Development-Board-Mini-PC-Learning-Board-p-1453873.= html?gmcCountry=3DRU¤cy=3DRUB&cur_warehouse=3DCN&createTmp=3D1&ID=3D3= 26941415&utm_source=3Dgoogleshopping&utm_medium=3Dcpc_bgcs&utm_content=3Dli= jing&utm_campaign=3Dpla-rug-rm-cart-0802-mb&ad_id=3D375319756499&gclid=3DCj= wKCAjwkenqBRBgEiwA-bZVtrVYU5BLvdqcXpQs-nT-R8ngDuLXHRGUHfdzpt4ui8G0W8UWQHxc2= BoCzm0QAvD_BwE =D0=BF=D0=BD, 19 =D0=B0=D0=B2=D0=B3. 2019 =D0=B3., 17:45 Ethan Gardener : > On Fri, Aug 16, 2019, at 2:26 PM, =D0=9E=D0=BB=D0=B5=D0=B3 =D0=91=D0=B0= =D1=85=D0=B0=D1=80=D0=B5=D0=B2 wrote: > > > > Do you mean something like BlackIce II (I'm under RV32I)? There is stil= l > one interesting board (inexpensive) on the RISC V 64 bit (RV64IMAG) - if > you want I will show where to get > > Yes please > > --00000000000035345505907a01ad Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Board with K210 from Kendryte:=C2=A0https://ru-m.banggood.com/Sip= eed-Maix-BIT-RISC-V-Dual-Core-64bit-CPU-With-FPU-AI-Module-Core-Board-Devel= opment-Board-Mini-PC-Learning-Board-p-1453873.html?gmcCountry=3DRU&curr= ency=3DRUB&cur_warehouse=3DCN&createTmp=3D1&ID=3D326941415&= utm_source=3Dgoogleshopping&utm_medium=3Dcpc_bgcs&utm_content=3Dlij= ing&utm_campaign=3Dpla-rug-rm-cart-0802-mb&ad_id=3D375319756499&= ;gclid=3DCjwKCAjwkenqBRBgEiwA-bZVtrVYU5BLvdqcXpQs-nT-R8ngDuLXHRGUHfdzpt4ui8= G0W8UWQHxc2BoCzm0QAvD_BwE

=D0=BF=D0=BD, 19 =D0=B0=D0=B2=D0=B3. 2019 =D0= =B3., 17:45 Ethan Gardener <eekee= 57@fastmail.fm>:

On Fri, Aug= 16, 2019, at 2:26 PM, =D0=9E=D0=BB=D0=B5=D0=B3 =D0=91=D0=B0=D1=85=D0=B0=D1= =80=D0=B5=D0=B2 wrote:
>
> Do you mean something like BlackIce II (I'm under RV32I)? There is= still one interesting board (inexpensive) on the RISC V 64 bit (RV64IMAG) = - if you want I will show where to get

Yes please

--00000000000035345505907a01ad-- From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 20 Aug 2019 13:51:06 +0000 To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> From: raingloom Message-ID: In-Reply-To: References: <994f9a11ad2be2399ac60b43626a0307@hamnavoe.com> <3af45613-4f6f-4ce5-82ad-42bf30a22a33@www.fastmail.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="b1_a1773edebea0f31f2cfa1998f1b00e71" Subject: Re: [9fans] Plan9 on radpberry pi zero ? 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From: Lucio De Re Date: Wed, 21 Aug 2019 06:38:51 +0200 Message-ID: To: raingloom , Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: text/plain; charset="UTF-8" Subject: Re: [9fans] Plan9 on radpberry pi zero ? Topicbox-Message-UUID: 05a3b924-eada-11e9-9d60-3106f5b1d025 On 8/20/19, raingloom wrote: >> Board with K210 from Kendryte: For the curious (and I'm going to bookmark this so I can show my colleagues what happens when too much data is shipped to a browser, mindlessly), there are what look like full-sized images reduced to thumbnails that were still downloading when I started this message, on that page. Thank you for the pointer, in any case. Lucio. PS: Those images would probably be still loading... From mboxrd@z Thu Jan 1 00:00:00 1970 User-Agent: Cyrus-JMAP/3.1.6-916-g49fca03-fmstable-20190821v7 Mime-Version: 1.0 Message-Id: In-Reply-To: References: <994f9a11ad2be2399ac60b43626a0307@hamnavoe.com> <3af45613-4f6f-4ce5-82ad-42bf30a22a33@www.fastmail.com>

Date: Fri, 23 Aug 2019 19:50:53 +0100 From: "Ethan Gardener" To: 9fans@9fans.net Content-Type: text/plain Subject: Re: [9fans] Plan9 on radpberry pi zero ? Topicbox-Message-UUID: 06535a50-eada-11e9-9d60-3106f5b1d025 > Cleaned up link with trackers removed: > https://www.banggood.com/Sipeed-Maix-BIT-RISC-V-Dual-Core-64bit-CPU-With-FPU-AI-Module-Core-Board-Development-Board-Mini-PC-Learning-Board-p-1453873.html Thanks guys. Replacing 'www' with my country code shows me it's pretty cheap. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris McGee Content-Type: multipart/alternative; boundary=Apple-Mail-91790451-2257-4D82-B528-1F7E70B23688 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) Date: Sat, 24 Aug 2019 08:41:16 -0400 Message-Id: <74B37048-F36A-4B9D-B3C4-861AE4B36B2B@gmail.com> References: <994f9a11ad2be2399ac60b43626a0307@hamnavoe.com> <3af45613-4f6f-4ce5-82ad-42bf30a22a33@www.fastmail.com>

In-Reply-To: To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Subject: Re: [9fans] Plan9 on radpberry pi zero ? Topicbox-Message-UUID: 07417c1c-eada-11e9-9d60-3106f5b1d025 --Apple-Mail-91790451-2257-4D82-B528-1F7E70B23688 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Has anyone tried putting Plan 9 on one of these MIPS based SoC=E2=80=99s? https://vocore.io/v2u.html The hardware is supposedly open, which might make it easier to work on drive= rs. Chris= --Apple-Mail-91790451-2257-4D82-B528-1F7E70B23688 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable

Has= anyone tried putting Plan 9 on one of these MIPS based SoC=E2=80=99s?

https://vocore.io/v2u.html

The hardware= is supposedly open, which might make it easier to work on drivers.