Hi Sebastian, Thanks for you response! It's very helpful!
Dong
Dong Du, Institute of Parallel and Distributed Systems (IPADS), School of Software, Shanghai Jiao Tong University
On Wed, Mar 14, 2018 at 4:43 PM, Sebastian Sumpf < Sebastian.Sumpf@...1...> wrote:
Hello Dong Du,
On 12.03.2018 12:45, Dd Nirvana wrote:
Hi guys,
I am so glad to know that genode has supported RISCV from v16.02.I have already read the article(http://genode.org/documentation/articles/riscv) which introduce how genode port the RISCV. However, I am still a little confused about how to build a runnable genode image and how to run it on riscv platform like spike. Could you give me any advices to do it?
Genode's support for RISC-V is currently very limited. For example, there is no libc or any peripheral devices. Currently, RISC-V can be tested on Genode using the spike emulator and our custom kernel, which implements support for the RISCV 1.9 privileged ISA. So, in order to test RISC-V make sure to have spike installed. You can find the version we are using here:
https://github.com/ssumpf/riscv-isa-sim https://github.com/ssumpf/riscv-fesvr
Please check out the 17.05 branches of both repositories. The fesvr (front-end server) is required by the instruction emulator and has to be build first. Please check the README.md files for build instructions.
With spike installed you want to create a Genode directory next:
<genode-src>/tool/create_builddir riscv_spike cd <genode-src>/build/risc_spike
Next you may execute the log run script:
make KERNEL=hw run/log
(make sure to have the Genode tool chain installed - http://genode.org/download/tool-chain)
This will build the log scenario and execute it within spike. The actual boot image can be found under the <genode-src>/build/riscv-spike/bbl/bbl (Berkeley Boot Loader). BBL implements the machine mode and also piggy backs the Genode image.
Regards,
Sebastian
-- Sebastian Sumpf Genode Labs
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