nuttx

History

Xiang Xiao 5958d3ac62 risc-v: Move "LDFLAGS += -melf32lriscv" from Make.defs to Toolchain.defs Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>		2022-05-16 11:17:08 +03:00
..
configs	boards: rv-virt: Add knsh64 related files	2022-05-13 04:14:01 +08:00
include	boards: rv-virt: Add knsh64 related files	2022-05-13 04:14:01 +08:00
scripts	risc-v: Move "LDFLAGS += -melf32lriscv" from Make.defs to Toolchain.defs	2022-05-16 11:17:08 +03:00
src	boards/sim: support rc.sysinit	2022-04-21 12:54:53 +03:00
Kconfig	arch/risc-v/qemu-rv: Support both rv32/rv64 core	2022-01-15 11:42:01 +08:00
README.txt	boards: rv-virt: Add hostfs support to nsh and nsh64 defconfigs	2022-05-02 19:46:58 +08:00

README.txt

1. Download and install toolchain

  $ curl https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.3.0-2019.08.0-x86_64-linux-ubuntu14.tar.gz

2. Build and install qemu

  $ git clone https://github.com/qemu/qemu
  $ cd qemu
  $ ./configure --target-list=riscv32-softmmu,riscv64-softmmu
  $ make
  $ sudo make install

3. Configure and build NuttX

  $ mkdir ./nuttx; cd ./nuttx
  $ git clone https://github.com/apache/incubator-nuttx.git
  $ git clone https://github.com/apache/incubator-nuttx-apps.git
  $ cd nuttx
  $ make distclean
  $ ./tools/configure.sh rv-virt:nsh
  $ make

4. Run the nuttx with qemu

  $ qemu-system-riscv32 -semihosting -M virt -cpu rv32 -smp 8 -bios none -kernel nuttx -nographic

  or

  $ qemu-system-riscv64 -semihosting -M virt -cpu rv64 -smp 8 -bios none -kernel nuttx -nographic

  NuttShell (NSH) NuttX-10.3.0-RC1
  nsh> mount -t hostfs -o fs=. /host
  nsh> cat /host/AUTHORS
  This is a list of all the contributors that have submitted ICLA, SGA
  If you are not on this list and believe you should be, please inform us.

  ICLA
  ====
  ...
  nsh>

5. TODO

  Support FPU
  Support RISC-V User mode
  Support Network