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https://github.com/lupyuen/nuttx-riscv64.git
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59 lines
3.2 KiB
Markdown
59 lines
3.2 KiB
Markdown
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[_Apache NuttX RTOS on 64-bit QEMU RISC-V Emulator_](https://github.com/apache/nuttx/tree/master/boards/risc-v/qemu-rv/rv-virt)
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# Apache NuttX RTOS on 64-bit RISC-V
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[](https://github.com/lupyuen/nuttx-riscv64/actions/workflows/qemu-riscv-nsh.yml) <br>
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[](https://github.com/lupyuen/nuttx-riscv64/actions/workflows/qemu-riscv-knsh.yml) <br>
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[](https://github.com/lupyuen/nuttx-riscv64/actions/workflows/qemu-riscv-nsh64.yml) <br>
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[](https://github.com/lupyuen/nuttx-riscv64/actions/workflows/qemu-riscv-knsh64.yml) <br>
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[](https://github.com/lupyuen/nuttx-riscv64/actions/workflows/qemu-riscv-leds64-rust.yml) <br>
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Read the articles...
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- ["64-bit RISC-V with Apache NuttX Real-Time Operating System"](https://lupyuen.github.io/articles/riscv)
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- ["NuttX for Star64 JH7110 SBC"](https://lupyuen.github.io/articles/release)
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- ["NuttX for Ox64 BL808 SBC"](https://www.hackster.io/lupyuen/8-risc-v-sbc-on-a-real-time-operating-system-ox64-nuttx-474358)
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- ["NuttX for Oz64 SG2000 SBC"](https://lupyuen.github.io/articles/sg2000)
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- ["Rolling to RISC-V"](https://lupyuen.github.io/articles/pinephone2#rolling-to-risc-v)
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Apache NuttX RTOS is now built and tested daily on QEMU RISC-V...
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- [qemu-riscv-nsh64.yml](.github/workflows/qemu-riscv-nsh64.yml): GitHub Actions Workflow
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- [qemu-riscv-nsh64.exp](qemu-riscv-nsh64.exp): Expect Script
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<hr>
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1. _So we're moving from Arm64 to RISC-V?_
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Yep! We have a fresh new opportunity to teach the __RISC-V 64-bit Architecture__ from scratch.
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And hopefully RISC-V Devices will still be around after 8 years!
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1. _We're porting NuttX to a RISC-V Phone?_
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Sadly there isn't a __RISC-V Phone__ yet.
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Thus we'll port NuttX to a RISC-V Tablet instead: [__PineTab-V__](https://wiki.pine64.org/wiki/PineTab-V)
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1. _But PineTab-V isn't shipping yet!_
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That's OK, we'll begin by porting NuttX to the [__Star64 SBC__](https://wiki.pine64.org/wiki/STAR64)
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Which runs on the same RISC-V SoC as PineTab-V: [__StarFive JH7110__](https://doc-en.rvspace.org/Doc_Center/jh7110.html)
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(Hopefully we have better docs and tidier code than the older Arm64 SoCs)
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1. _Hopping from Arm64 to RISC-V sounds like a major migration..._
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Actually we planned for this [__one year ago__](https://www.mail-archive.com/dev@nuttx.apache.org/msg08395.html).
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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)
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So the migration might not be so challenging after all!
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