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# Apache NuttX RTOS on 64-bit RISC-V
TODO
1. _So we're moving from Arm64 to RISC-V?_
Yep! We have a fresh new opportunity to teach the __RISC-V 64-bit Architecture__ from scratch.
And hopefully RISC-V Devices will still be around after 8 years!
1. _We're porting NuttX to a RISC-V Phone?_
Sadly there isn't a __RISC-V Phone__ yet.
Thus we'll port NuttX to a RISC-V Tablet instead: [__PineTab-V__](https://wiki.pine64.org/wiki/PineTab-V)
1. _But PineTab-V isn't shipping yet!_
That's OK, we'll begin by porting NuttX to the [__Star64 SBC__](https://wiki.pine64.org/wiki/STAR64)
Which runs on the same RISC-V SoC as PineTab-V: [__StarFive JH7110__](https://doc-en.rvspace.org/Doc_Center/jh7110.html)
(Hopefully we have better docs and tidier code than the older Arm64 SoCs)
1. _Hopping from Arm64 to RISC-V sounds like a major migration..._
Actually we planned for this [__one year ago__](https://www.mail-archive.com/dev@nuttx.apache.org/msg08395.html).
NuttX already runs OK on the (64-bit) [__QEMU RISC-V Emulator__](https://github.com/apache/nuttx/tree/master/boards/risc-v/qemu-rv/rv-virt). (Pic below)
So the migration might not be so challenging after all!