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https://github.com/Xilinx/systemctlm-cosim-demo

QEMU libsystemctlm-soc co-simulation demos.
https://github.com/Xilinx/systemctlm-cosim-demo

co-simulation qemu systemc tlm2

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QEMU libsystemctlm-soc co-simulation demos.

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README 

        
TLM-COSIM-DEMO

---------------------------------------

This contains a small SystemC/TLM-2.0 based subsystem for demo purposes.

It has an interconnect connecting a remote-port attached QEMU

instance, a demo/debug-device, a small DMA and if verilator is available

a timer. Note that the remote-port instance connecting to QEMU

can serve multiple QEMU instances. In fact, this demo can run

connected to the ZynqMP platform with 2 external QEMU instances

(APU/RPU and PMU). All of these instances can access the

TLM world.



The demo/debug-device is used to read out System-C time, output

debug trace/events and to end the simulation.



The DMA is used to demonstrate the bus mastering capabilities of the

TLM world back into QEMU via remote-port.



The timer is a minimalistic APB connected timer written in

verilog. If verilator is available, this timer can be hooked

into the simulation.

For TLM to be able to talk to the APB timer, a TLM-2-APB bridge

was written in System-C.



BUILD

---------------------------------------

Before building you will need to ensure that you have SystemC and SCML

available.



The demo was prepared assuming the following versions:

    SystemC: 2.3.2



The Makefile assumes that both are installed in the directories below:

    SystemC: /usr/local/systemc-2.3.2/



If you have them installed in different directories point the Makefile to the

correct directory by setting the variables SYSTEMC.



You will also need to clone the libremote-port submodule, by running:

    $ git submodule update --init libsystemctlm-soc



Also make sure to have the  header in the default search

directory list for your version of CPP (the header is required by the

pcie-model submodule). On a Ubuntu LTS system the header can be installed

through the `linux-libc-dev` packages.

    $ sudo apt-get install linux-libc-dev



Once everything is installed you can just run make. If SystemC is in

a different directory then mentioned about you will need to specify the

directory by setting the variables mentioned above.



You can also configure the build by creating a .config.mk file.

There are other options that can be set, e.g:

    HAVE_VERILOG=n

    HAVE_VERILOG_VERILATOR=n

    HAVE_VERILOG_VCS=n



RUN

---------------------------------------

When running you will need to make sure the program can link to your

SystemC/TLM libraries. You will also need to give arguments to the application.

The first argument points to the QEMU machine-path to use. The second argument

is the icount value to use. The arguments should line up with the QEMU command

line arguments.



A Versal example:

In one terminal, in the demo directory

LD_LIBRARY_PATH=/usr/local/systemc-2.3.2/lib-linux64/ ./versal_demo \

    unix:/tmp/qemu/qemu-rport-_amba@0_cosim@0 10000



A ZynqMP example:

In one terminal, in the demo directory

LD_LIBRARY_PATH=/usr/local/systemc-2.3.2/lib-linux64/ ./zynqmp_demo \

    unix:./qemu-tmp/qemu-rport-_amba@0_cosim@0 10000



A Zynq-7000 example:

LD_LIBRARY_PATH=/usr/local/systemc-2.3.2/lib-linux64/ ./zynq_demo \

    unix:./qemu-tmp/qemu-rport-_cosim@0 1000000



In another terminal you will need to start up the PS. In this case we are going

to start up a PetaLinux QEMU session and use the Linux kernel to probe the

SystemC side. You could also start up your own kernel with the required drivers

or a baremetal application.



See here for instructions on how to start the PetaLinux QEMU session:

http://www.wiki.xilinx.com/Co-simulation



IP-XACT DEMO

---------------------------------------

This repository also contains a demo where a QEMU / SystemC co-simulation

is automatically generated from an IP-XACT description. More information

about this demo and instructions for how to launch it manually can be

found inside the 'zynqmp_lmac2_ipxact_demo.txt' file.