This is a initial BKM summary for RSIC-V.
- RSIC-V Information
- Quick Start Guide RSIC-V Linux on QEMU
- Run Own Cross Compiled Sample Applications
[ISA Specification] https://github.com/riscv/riscv-isa-manual/releases/download/Ratified-IMAFDQC/riscv-spec-20191213.pdf https://github.com/riscv/riscv-isa-manual/releases/download/Priv-v1.12/riscv-privileged-20211203.pdf
[Debug Specification] https://github.com/riscv/riscv-debug-spec
[Trace Specification] https://github.com/riscv/riscv-trace-spec
https://riscv.org/learn/university-resources/#tab-1623429604964-0
https://cornellcswiki.gitlab.io/classes/CS3410.html
https://ascslab.org/research/briscv/simulator/simulator.html
https://github.com/magic3007/RISCV-Simulator
https://www.cs.cornell.edu/courses/cs3410/2019sp/riscv/interpreter/
https://github.com/ultraembedded/riscv
https://www.cnx-software.com/2021/11/24/sipeed-licheerv-a-low-cost-allwinner-d1-linux-risc-v-board/
https://www.indiegogo.com/projects/nezha-your-first-64bit-risc-v-linux-sbc-for-iot
https://www.sifive.com/boards/hifive-unmatched
https://wiki.debian.org/RISC-V
RISC-V International Specifications https://riscv.org/technical/specifications/
Official working groups https://lists.riscv.org/g/main
Exchange for HW, SW, services, learning https://riscv.org/exchange/
RISC-V Summit 2021 https://www.youtube.com/playlist?list=PL85jopFZCnbPGAhsdS16Nn4CdX6o1LeZe
RISC-V world conference China 2021 https://www.riscv-conf-china.com/ and some videos could be found on bilibili
4th RISC-V Meeting Spring 2022 RISC-V Week "https://open-src-soc.org/2022-05/program-riscv-meeting.html
https://www.youtube.com/watch?v=02n5Mdfix0k&list=PL85jopFZCnbNyq_fZDSBBr6A5MSm04VAN"
PLCT lab (ISCAS 软件所) https://github.com/plctlab
RISC-V east asia biweekly sync (lead by PLCT) https://github.com/cnrv/RISCV-East-Asia-Biweekly-Sync
SiFive Github group https://github.com/sifive
Debian RISC-V port https://wiki.debian.org/RISC-V
Debian RISC-V mailing list https://lists.debian.org/debian-riscv/
Ubuntu RISC-V https://wiki.ubuntu.com/RISC-V
Fedora RISC-V https://fedoraproject.org/wiki/Architectures/RISC-V
https://github.com/riscv-collab/riscv-gnu-toolchain
http://www.openv.cc/archives/1
https://programmersought.com/article/4626958334/
Either build the toolchain by yourself
https://github.com/riscv-collab/riscv-gnu-toolchain/blob/master/README.md
riscv-binutils: The binary utilities
riscv-dejagnu: The testing framework
riscv-gcc: The core C compiler
riscv-gdb: The GNU debugger
riscv-glibc: The Posix standard C library
riscv-newlib: The bare-metal standard C library Or Get the latest build from bootlin.
https://toolchains.bootlin.com/downloads/releases/toolchains/riscv64/tarballs/riscv64--glibc--bleeding-edge-2020.08-1.tar.bz2How To Set Up The Environment for RISCV-64 Linux Kernel Development In Ubuntu 20.04.3
Linux distribution (Ubuntu 20.04.3 LTS)
intel@intel-NUC11PHi7:~/workspace$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.3 LTS
Release: 20.04
Codename: focal
- Install dependency
$ sudo apt install autoconf automake autotools-dev curl libmpc-dev libmpfr-dev libgmp-dev gawk build-essential bison flex texinfo gperf libtool patchutils bc zlib1g-dev libexpat-dev git $ sudo apt install libpixman-1-0
- Get the latest build from bootlin
$ wget https://toolchains.bootlin.com/downloads/releases/toolchains/riscv64/tarballs/riscv64--glibc--bleeding-edge-2020.08-1.tar.bz2 $ sudo mkdir -p /opt/bootlin $ sudo tar jxf riscv64--glibc--bleeding-edge-2020.08-1.tar.bz2 -C /opt/bootlin/
- QEMU v5.2.0
$ git clone https://github.com/qemu/qemu $ cd qemu $ git checkout v5.2.0 $ sudo apt install ninja-build $ ./configure --target-list=riscv64-softmmu $ make -j $(nproc) $ sudo make install $ cd ..
- Linux v5.11
$ git clone https://github.com/torvalds/linux $ cd linux $ git checkout -b risc-v v5.11 $ make ARCH=riscv CROSS_COMPILE=/opt/bootlin/riscv64--glibc--bleeding-edge-2020.08-1/bin/riscv64-buildroot-linux-gnu- defconfig $ make ARCH=riscv CROSS_COMPILE=/opt/bootlin/riscv64--glibc--bleeding-edge-2020.08-1/bin/riscv64-buildroot-linux-gnu- -j $(nproc) $ cd ..
-
BusyBox v1.31.1
$ wget https://busybox.net/downloads/busybox-1.31.1.tar.bz2 $ tar jxvf busybox-1.31.1.tar.bz2 $ cd busybox-1.31.1 ** Here MUST apply patch https://git.busybox.net/busybox/commit/?id=d3539be8f27b8cbfdfee460fe08299158f08bcd9 to solve the link error $ CROSS_COMPILE=/opt/bootlin/riscv64--glibc--bleeding-edge-2020.08-1/bin/riscv64-buildroot-linux-gnu- make defconfig $ CROSS_COMPILE=/opt/bootlin/riscv64--glibc--bleeding-edge-2020.08-1/bin/riscv64-buildroot-linux-gnu- make menuconfig ** Build static binary (no shared libs)
$ CROSS_COMPILE=/opt/bootlin/riscv64--glibc--bleeding-edge-2020.08-1/bin/riscv64-buildroot-linux-gnu- make -j $(nproc) $ CROSS_COMPILE=/opt/bootlin/riscv64--glibc--bleeding-edge-2020.08-1/bin/riscv64-buildroot-linux-gnu- make install
- RAM RootFs
$ cd busybox-1.31.1/_install $ mkdir -p dev $ sudo mknod dev/console c 5 1 $ sudo mknod dev/ram b 1 0 $ touch init $ vim init #!/bin/sh echo "### INIT SCRIPT ###" mkdir /proc /sys /tmp mount -t proc none /proc mount -t sysfs none /sys mount -t tmpfs none /tmp echo -e "\nThis boot took $(cut -d' ' -f1 /proc/uptime) seconds\n" exec /bin/sh $ chmod a+x init $ chown root:root init $ chown root:root dev $ find -print0 | cpio -0oH newc | gzip -9 > ../../initramfs.cpio.gz cd ../../
-
Lauch Linux in RSICV-QEMU with BusyBox
$ sudo ./qemu/build/qemu-system-riscv64 -nographic -machine virt -kernel ./linux/arch/riscv/boot/Image -initrd initramfs.cpio.gz -append "root=/dev/vda ro console=ttyS0"
```bash
$ cd testcases
$ make clean;make
```
- Append built applciation to RootFs
$ echo simple-function.out|cpio -H newc -o|gzip -9 >> ../initramfs.cpio.gz cd ../../
-
Lauch Linux and Run Your applciation
$ sudo ./qemu/build/qemu-system-riscv64 -nographic -machine virt -kernel ./linux/arch/riscv/boot/Image -initrd initramfs.cpio.gz -append "root=/dev/vda ro console=ttyS0" -
In BusyBox Console:
$ ./simple-function.out
