[OpenWrt-Devel] OpenWrt on RISC-V

[Outback Dingo]

On Sat, Nov 3, 2018 at 3:29 PM Alex Guo <xfguo at xfguo.org> wrote:
>
> Hi Zoltan,
>
> Nice work.
>
> I'm also trying 4.19 kernel in microsemi pcie board with some wifi card
> recently, I will try your port on that borad.
>
> Best,
>
> Alex
>

Which HiFive ?  I have a HiFive1  sitting here on my desk lookkng for
an OS... I was going to do Zephyr on it... but now.....

> On 11/3/18 10:50 AM, Zoltan HERPAI wrote:
> > Hi all,
> >
> > I'm happy to announce a port of RISC-V for OpenWrt. For those who
> > haven't heard about it, RISC-V is a new CPU architecture coming from
> > Berkeley, and is a free, open, extensible ISA, maintained by a
> > non-profit foundation, included in the Linux kernel since 4.15.
> >
> > Current status is:
> > - based on 4.19 - pull requests and patches for trunk will be sent
> > once support for 4.19 is merged into mainline and core package changes
> > are worked out. Until then, the port is in a staging tree [1]
> > - mainline musl support is expected for musl 1.21, patches are
> > included in the tree [2] for the current 1.20 for testing
> > - currently builds with glibc as default
> > - OpenWrt packages are built regularly on an external buildbot
> > - documentation is added to the wiki [3]
> >
> > Currently you have three ways to run RISC-V:
> > - Virtex7-based FPGA implementation of the core (most expensive)
> > - HiFive Unleashed (official Linux devboard, less expensive) [4]
> > - QEMU (free, support for riscv merged into qemu-2.12) [5]
> >
> > The target supports the last two. There are further development boards
> > expected in the next few months. For further reading on the
> > architecture and its state, please refer to this site [6].
> >
> > The staging tree includes various fixes for the core package changes
> > appeared with 4.19. Given the state of 4.19 currently, please consider
> > this an experimental port - you won't be able to run quake on it yet,
> > sorry. [7]
> >
> > [1]
> > https://git.openwrt.org/?p=openwrt/staging/wigyori.git;a=shortlog;h=refs/heads/riscv-201810
> > [2]
> > https://git.openwrt.org/?p=openwrt/staging/wigyori.git;a=commit;h=f5fe060b9ccc7d64d3b1764852b6e2b9273d5cad
> > [3] https://openwrt.org/docs/techref/hardware/soc/soc.sifive
> > [4] https://openwrt.org/toh/hifive/unleashed
> > [5]
> > https://openwrt.org/docs/guide-user/virtualization/qemu#openwrt_in_qemu_risc-v
> > [6] https://riscv.org/
> > [7] https://archive.fosdem.org/2018/schedule/event/riscv/
> >
> > Regards,
> > Zoltan Herpai
> >
> >
> >
> > _______________________________________________
> > openwrt-devel mailing list
> > openwrt-devel at lists.openwrt.org
> > https://lists.openwrt.org/mailman/listinfo/openwrt-devel
>
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