If anyone wishes to dive deeper and attempt some emulation* of CXL and to find out more, checkout both links as QEMU supports emulating CXL devices.

[0] Emulating CXL Shared Memory Devices in QEMU https://memverge.com/cxl-qemuemulating-cxl-shared-memory-dev...

[1] CXL support in QEMU https://www.qemu.org/docs/master/system/devices/cxl.html