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RVZ

A xv6 port on JH7110 / D1-H using Zig.

Currently I run on VisionFive2. In rvx, I managed to port on Nezha D1 in C.

Development (Ubuntu)

Prerequisite

Unbuntu:

  • USB-UART driver: sudo apt install libusb-1.0-0-dev
  • packages:
    • Zig: snap install zig --classic --edge
    • toolchain: npm i xpm & xpm i
    • (optional): sudo apt-get install -y gcc-riscv64-linux-gnu

Validation

  • lsusb

Bus 001 Device 004: ID 0403:6001 Future Technology Devices International, Ltd FT232 Serial (UART) IC

sudo adduser <user> dialout

Tools

These tools may be needed during build, so better to put them in $PATH.

A utility to help load your kernel into DRAM and run and also flash your kernel into SPI Flash sector. It also can act as a Serial terminal.

A CLI tool to build U-boot FIT image with visionfive ITS.

Build (test bare metal)

./dev

The above will load the binary to DRAM 0x40000000 and run.

You should be able to see UART output at the end.