36 lines
879 B
Plaintext
36 lines
879 B
Plaintext
1. Download and install toolchain
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$ curl https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.3.0-2019.08.0-x86_64-linux-ubuntu14.tar.gz
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2. Download and install J-Link Software Documentation Pack
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https://www.segger.com/downloads/jlink/
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$ sudo apt install JLink_Linux_V656b_x86_64.deb
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3. Configure and build NuttX
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$ mkdir ./nuttx; cd ./nuttx
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$ git clone https://github.com/apache/nuttx.git nuttx
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$ git clone https://github.com/apache/nuttx-apps.git apps
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$ cd nuttx
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$ make distclean
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$ ./tools/configure.sh hifive1-revb:nsh
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$ make V=1
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4. Flash the nuttx with J-Link and run
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$ picocom -b 115200 /dev/ttyACM0
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$ /opt/SEGGER/JLink_V656b/JLinkGDBServer -device FE310
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$ riscv64-unknown-elf-gdb ./nuttx
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(gdb) target extended-remote:2331
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(gdb) load nuttx
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(gdb) c
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5. TODO
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Support GPIO/SPI/I2C/RTC/WDT/PWM
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Support RISC-V User mode
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