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+---------------------------------------+ | Power Service Layer Simulation Engine | +---------------------------------------+ This repository contains code for simulation and testing of a customer designed Accelerated Functional Unit (AFU) and it's accompanying application by simulating the connection to the Power Service Layer (PSL) as part of IBM's CAPI interconnect on Power8 systems. The "libcxl" directory contains a simulation only version of the libcxl library functions for hardware provided at https://github.com/ibm-capi/libcxl. That code is an abstraction layer that interfaces with kernel level "cxl" code for communicating with an AFU in real hardware. The libcxl code server two purposes. First, it provides a simple programming interface for accessing AFU devices. Second, if code is written using this abstraction layer then the same code can be compiled with the alternate version of libcxl.c and libcxl.h found on this repository for co-simulation of the AFU on most industry standard Verilog simulators. *** DIRECTORIES *** afu_driver/verilog: Contains the file top.v which is a top level wrapper that will instantiate your AFU Verilog code. afu_driver/src: Contains the code that will be needed by the Verilog simulator. common: Contains code used in multiple places. libcxl: Contains the PSLSE version of the libcxl.c file in addition to a sample pslse_server.dat file. pslse: Contains the code for the PSLSE server. debug: Contains code for parsing debug.log created by pslse. sample_app: Contains shell code for a sample application.
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