suuport atti-riscv64-board onnuttx

2022-03-03 19:44:52 +08:00
parent 316798e98c
commit 57e98cb8af
30 changed files with 1972 additions and 0 deletions
@@ -0,0 +1,47 @@
+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=riscv64-softmmu
+  $ make
+  $ sudo make install
+
+3. Modify defconfig
+
+--- a/boards/risc-v/k210/aiit-riscv64-board/configs/nsh/defconfig
+++ b/boards/risc-v/k210/aiit-riscv64-board/configs/nsh/defconfig
+@@ -25,6 +25,7 @@ CONFIG_EXAMPLES_HELLO=y
+ CONFIG_FS_PROCFS=y
+ CONFIG_IDLETHREAD_STACKSIZE=2048
+ CONFIG_INTELHEX_BINARY=y
+CONFIG_K210_WITH_QEMU=y
+ CONFIG_LIBC_PERROR_STDOUT=y
+ CONFIG_LIBC_STRERROR=y
+
+4. 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 aiit-riscv64-board:nsh
+  $ make V=1
+
+5. Run the nuttx with qemu
+
+  $ qemu-system-riscv64 -nographic -machine sifive_u -bios ./nuttx
+
+  NOTE: To run nuttx for kostest, gdb needs to be used to load both nuttx_user.elf and nuttx
+
+  $ qemu-system-riscv64 -nographic -machine sifive_u -s -S
+  $ riscv64-unknown-elf-gdb -ex 'target extended-remot:1234' -ex 'load nuttx_user.elf' -ex 'load nuttx' -ex 'c'
+
+6. TODO
+
+  Support FPU
+  Support RISC-V User mode