From 29abd3d112c380b8019a77ebad65f61addfb812d Mon Sep 17 00:00:00 2001 From: Huang Borong <3543977024@qq.com> Date: Tue, 17 Jun 2025 15:42:22 +0800 Subject: hw/riscv: Initial support for BOSC's Xiangshan Kunminghu FPGA prototype This implementation provides emulation for the Xiangshan Kunminghu FPGA prototype platform, including support for UART, CLINT, IMSIC, and APLIC devices. More details can be found at https://github.com/OpenXiangShan/XiangShan Signed-off-by: qinshaoqing Signed-off-by: Yang Wang Signed-off-by: Yu Hu <819258943@qq.com> Signed-off-by: Ran Wang Signed-off-by: Borong Huang <3543977024@qq.com> Reviewed-by: Daniel Henrique Barboza Message-ID: <20250617074222.17618-1-wangran@bosc.ac.cn> Signed-off-by: Alistair Francis --- docs/system/riscv/xiangshan-kunminghu.rst | 39 +++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 docs/system/riscv/xiangshan-kunminghu.rst (limited to 'docs/system/riscv') diff --git a/docs/system/riscv/xiangshan-kunminghu.rst b/docs/system/riscv/xiangshan-kunminghu.rst new file mode 100644 index 0000000..46e7cee --- /dev/null +++ b/docs/system/riscv/xiangshan-kunminghu.rst @@ -0,0 +1,39 @@ +BOSC Xiangshan Kunminghu FPGA prototype platform (``xiangshan-kunminghu``) +========================================================================== +The ``xiangshan-kunminghu`` machine is compatible with our FPGA prototype +platform. + +XiangShan is an open-source high-performance RISC-V processor project. +The third generation processor is called Kunminghu. Kunminghu is a 64-bit +RV64GCBSUHV processor core. More information can be found in our Github +repository: +https://github.com/OpenXiangShan/XiangShan + +Supported devices +----------------- +The ``xiangshan-kunminghu`` machine supports the following devices: + +* Up to 16 xiangshan-kunminghu cores +* Core Local Interruptor (CLINT) +* Incoming MSI Controller (IMSIC) +* Advanced Platform-Level Interrupt Controller (APLIC) +* 1 UART + +Boot options +------------ +The ``xiangshan-kunminghu`` machine can start using the standard ``-bios`` +functionality for loading the boot image. You need to compile and link +the firmware, kernel, and Device Tree (FDT) into a single binary file, +such as ``fw_payload.bin``. + +Running +------- +Below is an example command line for running the ``xiangshan-kunminghu`` +machine: + +.. code-block:: bash + + $ qemu-system-riscv64 -machine xiangshan-kunminghu \ + -smp 16 -m 16G \ + -bios path/to/opensbi/platform/generic/firmware/fw_payload.bin \ + -nographic -- cgit v1.1