On 6/29/24 19:29, Ralph Ronnquist wrote:
> On Sun, Jun 30, 2024 at 09:25:41AM +1000, Ralph Ronnquist wrote:
>> On Sat, Jun 29, 2024 at 06:44:05PM -0400, Dennis Clarke wrote:
>>> On 6/29/24 17:55, Ralph Ronnquist wrote:
>>>> On Sat, Jun 29, 2024 at 05:29:08PM -0400, Dennis Clarke wrote:
>>>>>
>>> ...
>>>>> In any case there is pretty slick support for the SiFive RISC-V
>>>>> hardware in the baseline Linux kernel as well as a whole slew of
>>>>> packages that should "just work". At least in theory.
>>>>>
>>>>> The trick then, as they say, is the boot loader ( GRUB2 ) and then
>>>>> the initramfs and goodies for the minimal installer. So I am thinking
>>>>> that I can certainly do some work on this.
>>>>>
>>>>> Also, the same idea goes for IBM POWER9 architecture.
>>>>
>>>> You can debootstrap a filesystem on an amd64 using multiarch or just
>>>> using qemu-user-static + binfmt-support.
>>>>
>>>> The boot setup is probably specific for the target device though. I
>>>> don't have a device to play with.
>>>>
>>>
>>> Is there documentation for that ?
>>
>> Note sure. There are some loose tidbits at
>> https://wiki.debian.org/QemuUserEmulation
>>
>> My mind has accumulated varous random advice into:
>>
>> 1. Install those two packages.
>>
>> 2. Use the two-stage method for debootstrap; i.e.
>> 1. use --foreign at first, and
>
> (for example)
> # http_proxy=http://localhost:3142 debootstrap \
> --arch=riscv64 --foreign --variant=minbase \
> ceres $TARGET http://deb.devuan.org/merged
>
>> 2. add /usr/bin/qemu-riskv64-static from main host into target (same path)
>> # cp /usr/bin/qemu-riskv64-static $TARGET/usr/bin/
>> 3. then simly chroot into target as
>> # chroot $TARGET /debootstrap/debootstrap --second-stage
>>
>> That'd be all (apart from the mounting etc)
>>
That looks like something to do with QEMU. I guess that is a way to go
from AMD64 to RISC-V via emulation but not really the creation of an
actual "installer" image that anyone could use.
I will need to dig around and do all the usual flailing. Thank you for
the pointers that are not NULL :)
--
Dennis Clarke
RISC-V/SPARC/PPC/ARM/CISC
UNIX and Linux spoken
::
Re: [devuan-dev] Is there any possi…
