HMC.py revision 13731
111183Serfan.azarkhish@unibo.it# Copyright (c) 2012-2013 ARM Limited 211183Serfan.azarkhish@unibo.it# All rights reserved. 311183Serfan.azarkhish@unibo.it# 411183Serfan.azarkhish@unibo.it# The license below extends only to copyright in the software and shall 511183Serfan.azarkhish@unibo.it# not be construed as granting a license to any other intellectual 611183Serfan.azarkhish@unibo.it# property including but not limited to intellectual property relating 711183Serfan.azarkhish@unibo.it# to a hardware implementation of the functionality of the software 811183Serfan.azarkhish@unibo.it# licensed hereunder. You may use the software subject to the license 911183Serfan.azarkhish@unibo.it# terms below provided that you ensure that this notice is replicated 1011183Serfan.azarkhish@unibo.it# unmodified and in its entirety in all distributions of the software, 1111183Serfan.azarkhish@unibo.it# modified or unmodified, in source code or in binary form. 1211183Serfan.azarkhish@unibo.it# 1311183Serfan.azarkhish@unibo.it# Copyright (c) 2015 The University of Bologna 1411183Serfan.azarkhish@unibo.it# All rights reserved. 1511183Serfan.azarkhish@unibo.it# 1611183Serfan.azarkhish@unibo.it# Redistribution and use in source and binary forms, with or without 1711183Serfan.azarkhish@unibo.it# modification, are permitted provided that the following conditions are 1811183Serfan.azarkhish@unibo.it# met: redistributions of source code must retain the above copyright 1911183Serfan.azarkhish@unibo.it# notice, this list of conditions and the following disclaimer; 2011183Serfan.azarkhish@unibo.it# redistributions in binary form must reproduce the above copyright 2111183Serfan.azarkhish@unibo.it# notice, this list of conditions and the following disclaimer in the 2211183Serfan.azarkhish@unibo.it# documentation and/or other materials provided with the distribution; 2311183Serfan.azarkhish@unibo.it# neither the name of the copyright holders nor the names of its 2411183Serfan.azarkhish@unibo.it# contributors may be used to endorse or promote products derived from 2511183Serfan.azarkhish@unibo.it# this software without specific prior written permission. 2611183Serfan.azarkhish@unibo.it# 2711183Serfan.azarkhish@unibo.it# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2811183Serfan.azarkhish@unibo.it# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2911183Serfan.azarkhish@unibo.it# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 3011183Serfan.azarkhish@unibo.it# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 3111183Serfan.azarkhish@unibo.it# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 3211183Serfan.azarkhish@unibo.it# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3311183Serfan.azarkhish@unibo.it# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3411183Serfan.azarkhish@unibo.it# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3511183Serfan.azarkhish@unibo.it# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3611183Serfan.azarkhish@unibo.it# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3711183Serfan.azarkhish@unibo.it# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3811183Serfan.azarkhish@unibo.it# 3911183Serfan.azarkhish@unibo.it# Authors: Erfan Azarkhish 4011551Sabdul.mutaal@gmail.com# Abdul Mutaal Ahmad 4111183Serfan.azarkhish@unibo.it 4211183Serfan.azarkhish@unibo.it# A Simplified model of a complete HMC device. Based on: 4311183Serfan.azarkhish@unibo.it# [1] http://www.hybridmemorycube.org/specification-download/ 4411183Serfan.azarkhish@unibo.it# [2] High performance AXI-4.0 based interconnect for extensible smart memory 4511183Serfan.azarkhish@unibo.it# cubes(E. Azarkhish et. al) 4611183Serfan.azarkhish@unibo.it# [3] Low-Power Hybrid Memory Cubes With Link Power Management and Two-Level 4711183Serfan.azarkhish@unibo.it# Prefetching (J. Ahn et. al) 4811183Serfan.azarkhish@unibo.it# [4] Memory-centric system interconnect design with Hybrid Memory Cubes 4911183Serfan.azarkhish@unibo.it# (G. Kim et. al) 5011183Serfan.azarkhish@unibo.it# [5] Near Data Processing, Are we there yet? (M. Gokhale) 5111183Serfan.azarkhish@unibo.it# http://www.cs.utah.edu/wondp/gokhale.pdf 5211551Sabdul.mutaal@gmail.com# [6] openHMC - A Configurable Open-Source Hybrid Memory Cube Controller 5311551Sabdul.mutaal@gmail.com# (J. Schmidt) 5411551Sabdul.mutaal@gmail.com# [7] Hybrid Memory Cube performance characterization on data-centric 5511551Sabdul.mutaal@gmail.com# workloads (M. Gokhale) 5611183Serfan.azarkhish@unibo.it# 5711183Serfan.azarkhish@unibo.it# This script builds a complete HMC device composed of vault controllers, 5811183Serfan.azarkhish@unibo.it# serial links, the main internal crossbar, and an external hmc controller. 5911183Serfan.azarkhish@unibo.it# 6011183Serfan.azarkhish@unibo.it# - VAULT CONTROLLERS: 6111837Swendy.elsasser@arm.com# Instances of the HMC_2500_1x32 class with their functionality specified in 6211183Serfan.azarkhish@unibo.it# dram_ctrl.cc 6311183Serfan.azarkhish@unibo.it# 6411183Serfan.azarkhish@unibo.it# - THE MAIN XBAR: 6511183Serfan.azarkhish@unibo.it# This component is simply an instance of the NoncoherentXBar class, and its 6611183Serfan.azarkhish@unibo.it# parameters are tuned to [2]. 6711183Serfan.azarkhish@unibo.it# 6811551Sabdul.mutaal@gmail.com# - SERIAL LINKS CONTROLLER: 6911183Serfan.azarkhish@unibo.it# SerialLink is a simple variation of the Bridge class, with the ability to 7011551Sabdul.mutaal@gmail.com# account for the latency of packet serialization and controller latency. We 7111551Sabdul.mutaal@gmail.com# assume that the serializer component at the transmitter side does not need 7211551Sabdul.mutaal@gmail.com# to receive the whole packet to start the serialization. But the 7311551Sabdul.mutaal@gmail.com# deserializer waits for the complete packet to check its integrity first. 7411551Sabdul.mutaal@gmail.com# 7511183Serfan.azarkhish@unibo.it# * Bandwidth of the serial links is not modeled in the SerialLink component 7611551Sabdul.mutaal@gmail.com# itself. 7711183Serfan.azarkhish@unibo.it# 7811551Sabdul.mutaal@gmail.com# * Latency of serial link controller is composed of SerDes latency + link 7911551Sabdul.mutaal@gmail.com# controller 8011551Sabdul.mutaal@gmail.com# 8111183Serfan.azarkhish@unibo.it# * It is inferred from the standard [1] and the literature [3] that serial 8211183Serfan.azarkhish@unibo.it# links share the same address range and packets can travel over any of 8311183Serfan.azarkhish@unibo.it# them so a load distribution mechanism is required among them. 8411551Sabdul.mutaal@gmail.com# 8511551Sabdul.mutaal@gmail.com# ----------------------------------------- 8611551Sabdul.mutaal@gmail.com# | Host/HMC Controller | 8711551Sabdul.mutaal@gmail.com# | ---------------------- | 8811551Sabdul.mutaal@gmail.com# | | Link Aggregator | opt | 8911551Sabdul.mutaal@gmail.com# | ---------------------- | 9011551Sabdul.mutaal@gmail.com# | ---------------------- | 9111551Sabdul.mutaal@gmail.com# | | Serial Link + Ser | * 4 | 9211551Sabdul.mutaal@gmail.com# | ---------------------- | 9311551Sabdul.mutaal@gmail.com# |--------------------------------------- 9411551Sabdul.mutaal@gmail.com# ----------------------------------------- 9511551Sabdul.mutaal@gmail.com# | Device 9611551Sabdul.mutaal@gmail.com# | ---------------------- | 9711551Sabdul.mutaal@gmail.com# | | Xbar | * 4 | 9811551Sabdul.mutaal@gmail.com# | ---------------------- | 9911551Sabdul.mutaal@gmail.com# | ---------------------- | 10011551Sabdul.mutaal@gmail.com# | | Vault Controller | * 16 | 10111551Sabdul.mutaal@gmail.com# | ---------------------- | 10211551Sabdul.mutaal@gmail.com# | ---------------------- | 10311551Sabdul.mutaal@gmail.com# | | Memory | | 10411551Sabdul.mutaal@gmail.com# | ---------------------- | 10511551Sabdul.mutaal@gmail.com# |---------------------------------------| 10611551Sabdul.mutaal@gmail.com# 10711551Sabdul.mutaal@gmail.com# In this version we have present 3 different HMC archiecture along with 10811551Sabdul.mutaal@gmail.com# alongwith their corresponding test script. 10911551Sabdul.mutaal@gmail.com# 11011551Sabdul.mutaal@gmail.com# same: It has 4 crossbars in HMC memory. All the crossbars are connected 11111551Sabdul.mutaal@gmail.com# to each other, providing complete memory range. This archicture also covers 11211551Sabdul.mutaal@gmail.com# the added latency for sending a request to non-local vault(bridge in b/t 11311551Sabdul.mutaal@gmail.com# crossbars). All the 4 serial links can access complete memory. So each 11411551Sabdul.mutaal@gmail.com# link can be connected to separate processor. 11511551Sabdul.mutaal@gmail.com# 11611551Sabdul.mutaal@gmail.com# distributed: It has 4 crossbars inside the HMC. Crossbars are not 11711551Sabdul.mutaal@gmail.com# connected.Through each crossbar only local vaults can be accessed. But to 11811551Sabdul.mutaal@gmail.com# support this architecture we need a crossbar between serial links and 11911551Sabdul.mutaal@gmail.com# processor. 12011551Sabdul.mutaal@gmail.com# 12111551Sabdul.mutaal@gmail.com# mixed: This is a hybrid architecture. It has 4 crossbars inside the HMC. 12211551Sabdul.mutaal@gmail.com# 2 Crossbars are connected to only local vaults. From other 2 crossbar, a 12311551Sabdul.mutaal@gmail.com# request can be forwarded to any other vault. 12411183Serfan.azarkhish@unibo.it 12512340Szulian@eit.uni-kl.deimport argparse 12611183Serfan.azarkhish@unibo.it 12711183Serfan.azarkhish@unibo.itimport m5 12811183Serfan.azarkhish@unibo.itfrom m5.objects import * 12912340Szulian@eit.uni-kl.defrom m5.util import * 13011183Serfan.azarkhish@unibo.it 13112340Szulian@eit.uni-kl.de 13212340Szulian@eit.uni-kl.dedef add_options(parser): 13312340Szulian@eit.uni-kl.de # *****************************CROSSBAR PARAMETERS************************* 13411183Serfan.azarkhish@unibo.it # Flit size of the main interconnect [1] 13512340Szulian@eit.uni-kl.de parser.add_argument("--xbar-width", default=32, action="store", type=int, 13612340Szulian@eit.uni-kl.de help="Data width of the main XBar (Bytes)") 13711183Serfan.azarkhish@unibo.it 13811183Serfan.azarkhish@unibo.it # Clock frequency of the main interconnect [1] 13911183Serfan.azarkhish@unibo.it # This crossbar, is placed on the logic-based of the HMC and it has its 14011183Serfan.azarkhish@unibo.it # own voltage and clock domains, different from the DRAM dies or from the 14111183Serfan.azarkhish@unibo.it # host. 14212340Szulian@eit.uni-kl.de parser.add_argument("--xbar-frequency", default='1GHz', type=str, 14312340Szulian@eit.uni-kl.de help="Clock Frequency of the main XBar") 14411183Serfan.azarkhish@unibo.it 14511183Serfan.azarkhish@unibo.it # Arbitration latency of the HMC XBar [1] 14612340Szulian@eit.uni-kl.de parser.add_argument("--xbar-frontend-latency", default=1, action="store", 14712340Szulian@eit.uni-kl.de type=int, help="Arbitration latency of the XBar") 14811183Serfan.azarkhish@unibo.it 14911183Serfan.azarkhish@unibo.it # Latency to forward a packet via the interconnect [1](two levels of FIFOs 15011183Serfan.azarkhish@unibo.it # at the input and output of the inteconnect) 15112340Szulian@eit.uni-kl.de parser.add_argument("--xbar-forward-latency", default=2, action="store", 15212340Szulian@eit.uni-kl.de type=int, help="Forward latency of the XBar") 15311183Serfan.azarkhish@unibo.it 15411183Serfan.azarkhish@unibo.it # Latency to forward a response via the interconnect [1](two levels of 15511183Serfan.azarkhish@unibo.it # FIFOs at the input and output of the inteconnect) 15612340Szulian@eit.uni-kl.de parser.add_argument("--xbar-response-latency", default=2, action="store", 15712340Szulian@eit.uni-kl.de type=int, help="Response latency of the XBar") 15811183Serfan.azarkhish@unibo.it 15911551Sabdul.mutaal@gmail.com # number of cross which connects 16 Vaults to serial link[7] 16012340Szulian@eit.uni-kl.de parser.add_argument("--number-mem-crossbar", default=4, action="store", 16112340Szulian@eit.uni-kl.de type=int, help="Number of crossbar in HMC") 16211551Sabdul.mutaal@gmail.com 16312340Szulian@eit.uni-kl.de # *****************************SERIAL LINK PARAMETERS********************** 16411551Sabdul.mutaal@gmail.com # Number of serial links controllers [1] 16512340Szulian@eit.uni-kl.de parser.add_argument("--num-links-controllers", default=4, action="store", 16612340Szulian@eit.uni-kl.de type=int, help="Number of serial links") 16711183Serfan.azarkhish@unibo.it 16811183Serfan.azarkhish@unibo.it # Number of packets (not flits) to store at the request side of the serial 16911183Serfan.azarkhish@unibo.it # link. This number should be adjusted to achive required bandwidth 17012340Szulian@eit.uni-kl.de parser.add_argument("--link-buffer-size-req", default=10, action="store", 17112340Szulian@eit.uni-kl.de type=int, help="Number of packets to buffer at the\ 17212340Szulian@eit.uni-kl.de request side of the serial link") 17311183Serfan.azarkhish@unibo.it 17411183Serfan.azarkhish@unibo.it # Number of packets (not flits) to store at the response side of the serial 17511183Serfan.azarkhish@unibo.it # link. This number should be adjusted to achive required bandwidth 17612340Szulian@eit.uni-kl.de parser.add_argument("--link-buffer-size-rsp", default=10, action="store", 17712340Szulian@eit.uni-kl.de type=int, help="Number of packets to buffer at the\ 17812340Szulian@eit.uni-kl.de response side of the serial link") 17911183Serfan.azarkhish@unibo.it 18011183Serfan.azarkhish@unibo.it # Latency of the serial link composed by SER/DES latency (1.6ns [4]) plus 18111183Serfan.azarkhish@unibo.it # the PCB trace latency (3ns Estimated based on [5]) 18212340Szulian@eit.uni-kl.de parser.add_argument("--link-latency", default='4.6ns', type=str, 18312340Szulian@eit.uni-kl.de help="Latency of the serial links") 18411183Serfan.azarkhish@unibo.it 18511551Sabdul.mutaal@gmail.com # Clock frequency of the each serial link(SerDes) [1] 18612340Szulian@eit.uni-kl.de parser.add_argument("--link-frequency", default='10GHz', type=str, 18712340Szulian@eit.uni-kl.de help="Clock Frequency of the serial links") 18811183Serfan.azarkhish@unibo.it 18911551Sabdul.mutaal@gmail.com # Clock frequency of serial link Controller[6] 19011551Sabdul.mutaal@gmail.com # clk_hmc[Mhz]= num_lanes_per_link * lane_speed [Gbits/s] / 19111551Sabdul.mutaal@gmail.com # data_path_width * 10^6 19211551Sabdul.mutaal@gmail.com # clk_hmc[Mhz]= 16 * 10 Gbps / 256 * 10^6 = 625 Mhz 19312340Szulian@eit.uni-kl.de parser.add_argument("--link-controller-frequency", default='625MHz', 19412340Szulian@eit.uni-kl.de type=str, help="Clock Frequency of the link\ 19512340Szulian@eit.uni-kl.de controller") 19611551Sabdul.mutaal@gmail.com 19711551Sabdul.mutaal@gmail.com # Latency of the serial link controller to process the packets[1][6] 19811551Sabdul.mutaal@gmail.com # (ClockDomain = 625 Mhz ) 19911551Sabdul.mutaal@gmail.com # used here for calculations only 20012340Szulian@eit.uni-kl.de parser.add_argument("--link-ctrl-latency", default=4, action="store", 20112340Szulian@eit.uni-kl.de type=int, help="The number of cycles required for the\ 20212340Szulian@eit.uni-kl.de controller to process the packet") 20311551Sabdul.mutaal@gmail.com 20411551Sabdul.mutaal@gmail.com # total_ctrl_latency = link_ctrl_latency + link_latency 20511551Sabdul.mutaal@gmail.com # total_ctrl_latency = 4(Cycles) * 1.6 ns + 4.6 ns 20612340Szulian@eit.uni-kl.de parser.add_argument("--total-ctrl-latency", default='11ns', type=str, 20712340Szulian@eit.uni-kl.de help="The latency experienced by every packet\ 20812340Szulian@eit.uni-kl.de regardless of size of packet") 20911551Sabdul.mutaal@gmail.com 21011183Serfan.azarkhish@unibo.it # Number of parallel lanes in each serial link [1] 21112340Szulian@eit.uni-kl.de parser.add_argument("--num-lanes-per-link", default=16, action="store", 21212340Szulian@eit.uni-kl.de type=int, help="Number of lanes per each link") 21311183Serfan.azarkhish@unibo.it 21411183Serfan.azarkhish@unibo.it # Number of serial links [1] 21512340Szulian@eit.uni-kl.de parser.add_argument("--num-serial-links", default=4, action="store", 21612340Szulian@eit.uni-kl.de type=int, help="Number of serial links") 21711183Serfan.azarkhish@unibo.it 21811551Sabdul.mutaal@gmail.com # speed of each lane of serial link - SerDes serial interface 10 Gb/s 21912340Szulian@eit.uni-kl.de parser.add_argument("--serial-link-speed", default=10, action="store", 22012340Szulian@eit.uni-kl.de type=int, help="Gbs/s speed of each lane of serial\ 22112340Szulian@eit.uni-kl.de link") 22211183Serfan.azarkhish@unibo.it 22312340Szulian@eit.uni-kl.de # address range for each of the serial links 22412340Szulian@eit.uni-kl.de parser.add_argument("--serial-link-addr-range", default='1GB', type=str, 22512340Szulian@eit.uni-kl.de help="memory range for each of the serial links.\ 22612340Szulian@eit.uni-kl.de Default: 1GB") 22712340Szulian@eit.uni-kl.de 22812340Szulian@eit.uni-kl.de # *****************************PERFORMANCE MONITORING********************* 22911183Serfan.azarkhish@unibo.it # The main monitor behind the HMC Controller 23012340Szulian@eit.uni-kl.de parser.add_argument("--enable-global-monitor", action="store_true", 23112340Szulian@eit.uni-kl.de help="The main monitor behind the HMC Controller") 23211183Serfan.azarkhish@unibo.it 23311183Serfan.azarkhish@unibo.it # The link performance monitors 23412340Szulian@eit.uni-kl.de parser.add_argument("--enable-link-monitor", action="store_true", 23512340Szulian@eit.uni-kl.de help="The link monitors") 23611183Serfan.azarkhish@unibo.it 23711551Sabdul.mutaal@gmail.com # link aggregator enable - put a cross between buffers & links 23812340Szulian@eit.uni-kl.de parser.add_argument("--enable-link-aggr", action="store_true", help="The\ 23912340Szulian@eit.uni-kl.de crossbar between port and Link Controller") 24011183Serfan.azarkhish@unibo.it 24112340Szulian@eit.uni-kl.de parser.add_argument("--enable-buff-div", action="store_true", 24212340Szulian@eit.uni-kl.de help="Memory Range of Buffer is ivided between total\ 24312340Szulian@eit.uni-kl.de range") 24411183Serfan.azarkhish@unibo.it 24512340Szulian@eit.uni-kl.de # *****************************HMC ARCHITECTURE ************************** 24611551Sabdul.mutaal@gmail.com # Memory chunk for 16 vault - numbers of vault / number of crossbars 24712340Szulian@eit.uni-kl.de parser.add_argument("--mem-chunk", default=4, action="store", type=int, 24812340Szulian@eit.uni-kl.de help="Chunk of memory range for each cross bar in\ 24912340Szulian@eit.uni-kl.de arch 0") 25011551Sabdul.mutaal@gmail.com 25111551Sabdul.mutaal@gmail.com # size of req buffer within crossbar, used for modelling extra latency 25211551Sabdul.mutaal@gmail.com # when the reuqest go to non-local vault 25312340Szulian@eit.uni-kl.de parser.add_argument("--xbar-buffer-size-req", default=10, action="store", 25412340Szulian@eit.uni-kl.de type=int, help="Number of packets to buffer at the\ 25512340Szulian@eit.uni-kl.de request side of the crossbar") 25611551Sabdul.mutaal@gmail.com 25711551Sabdul.mutaal@gmail.com # size of response buffer within crossbar, used for modelling extra latency 25811551Sabdul.mutaal@gmail.com # when the response received from non-local vault 25912340Szulian@eit.uni-kl.de parser.add_argument("--xbar-buffer-size-resp", default=10, action="store", 26012340Szulian@eit.uni-kl.de type=int, help="Number of packets to buffer at the\ 26112340Szulian@eit.uni-kl.de response side of the crossbar") 26212340Szulian@eit.uni-kl.de # HMC device architecture. It affects the HMC host controller as well 26312340Szulian@eit.uni-kl.de parser.add_argument("--arch", type=str, choices=["same", "distributed", 26412340Szulian@eit.uni-kl.de "mixed"], default="distributed", help="same: HMC with\ 26512340Szulian@eit.uni-kl.de 4 links, all with same range.\ndistributed: HMC with\ 26612340Szulian@eit.uni-kl.de 4 links with distributed range.\nmixed: mixed with\ 26712340Szulian@eit.uni-kl.de same and distributed range.\nDefault: distributed") 26812340Szulian@eit.uni-kl.de # HMC device - number of vaults 26912340Szulian@eit.uni-kl.de parser.add_argument("--hmc-dev-num-vaults", default=16, action="store", 27012340Szulian@eit.uni-kl.de type=int, help="number of independent vaults within\ 27112340Szulian@eit.uni-kl.de the HMC device. Note: each vault has a memory\ 27212340Szulian@eit.uni-kl.de controller (valut controller)\nDefault: 16") 27312340Szulian@eit.uni-kl.de # HMC device - vault capacity or size 27412340Szulian@eit.uni-kl.de parser.add_argument("--hmc-dev-vault-size", default='256MB', type=str, 27512340Szulian@eit.uni-kl.de help="vault storage capacity in bytes. Default:\ 27612340Szulian@eit.uni-kl.de 256MB") 27712340Szulian@eit.uni-kl.de parser.add_argument("--mem-type", type=str, choices=["HMC_2500_1x32"], 27812340Szulian@eit.uni-kl.de default="HMC_2500_1x32", help="type of HMC memory to\ 27912340Szulian@eit.uni-kl.de use. Default: HMC_2500_1x32") 28012340Szulian@eit.uni-kl.de parser.add_argument("--mem-channels", default=1, action="store", type=int, 28112340Szulian@eit.uni-kl.de help="Number of memory channels") 28212340Szulian@eit.uni-kl.de parser.add_argument("--mem-ranks", default=1, action="store", type=int, 28312340Szulian@eit.uni-kl.de help="Number of ranks to iterate across") 28412340Szulian@eit.uni-kl.de parser.add_argument("--burst-length", default=256, action="store", 28512340Szulian@eit.uni-kl.de type=int, help="burst length in bytes. Note: the\ 28612340Szulian@eit.uni-kl.de cache line size will be set to this value.\nDefault:\ 28712340Szulian@eit.uni-kl.de 256") 28811551Sabdul.mutaal@gmail.com 28911551Sabdul.mutaal@gmail.com 29012340Szulian@eit.uni-kl.de# configure HMC host controller 29112340Szulian@eit.uni-kl.dedef config_hmc_host_ctrl(opt, system): 29211551Sabdul.mutaal@gmail.com 29312340Szulian@eit.uni-kl.de # create HMC host controller 29412340Szulian@eit.uni-kl.de system.hmc_host = SubSystem() 29511183Serfan.azarkhish@unibo.it 29612340Szulian@eit.uni-kl.de # Create additional crossbar for arch1 29712340Szulian@eit.uni-kl.de if opt.arch == "distributed" or opt.arch == "mixed": 29812340Szulian@eit.uni-kl.de clk = '100GHz' 29912340Szulian@eit.uni-kl.de vd = VoltageDomain(voltage='1V') 30012340Szulian@eit.uni-kl.de # Create additional crossbar for arch1 30112340Szulian@eit.uni-kl.de system.membus = NoncoherentXBar(width=8) 30212340Szulian@eit.uni-kl.de system.membus.badaddr_responder = BadAddr() 30312340Szulian@eit.uni-kl.de system.membus.default = Self.badaddr_responder.pio 30412340Szulian@eit.uni-kl.de system.membus.width = 8 30512340Szulian@eit.uni-kl.de system.membus.frontend_latency = 3 30612340Szulian@eit.uni-kl.de system.membus.forward_latency = 4 30712340Szulian@eit.uni-kl.de system.membus.response_latency = 2 30812340Szulian@eit.uni-kl.de cd = SrcClockDomain(clock=clk, voltage_domain=vd) 30912340Szulian@eit.uni-kl.de system.membus.clk_domain = cd 31011183Serfan.azarkhish@unibo.it 31112340Szulian@eit.uni-kl.de # create memory ranges for the serial links 31212340Szulian@eit.uni-kl.de slar = convert.toMemorySize(opt.serial_link_addr_range) 31312340Szulian@eit.uni-kl.de # Memmory ranges of serial link for arch-0. Same as the ranges of vault 31412340Szulian@eit.uni-kl.de # controllers (4 vaults to 1 serial link) 31512340Szulian@eit.uni-kl.de if opt.arch == "same": 31612340Szulian@eit.uni-kl.de ser_ranges = [AddrRange(0, (4*slar)-1) for i in 31712340Szulian@eit.uni-kl.de range(opt.num_serial_links)] 31812340Szulian@eit.uni-kl.de # Memmory ranges of serial link for arch-1. Distributed range accross 31912340Szulian@eit.uni-kl.de # links 32012340Szulian@eit.uni-kl.de if opt.arch == "distributed": 32112340Szulian@eit.uni-kl.de ser_ranges = [AddrRange(i*slar, ((i+1)*slar)-1) for i in 32212340Szulian@eit.uni-kl.de range(opt.num_serial_links)] 32312340Szulian@eit.uni-kl.de # Memmory ranges of serial link for arch-2 'Mixed' address distribution 32412340Szulian@eit.uni-kl.de # over links 32512340Szulian@eit.uni-kl.de if opt.arch == "mixed": 32612340Szulian@eit.uni-kl.de ser_range0 = AddrRange(0, (1*slar)-1) 32712340Szulian@eit.uni-kl.de ser_range1 = AddrRange(1*slar, 2*slar-1) 32812340Szulian@eit.uni-kl.de ser_range2 = AddrRange(0, (4*slar)-1) 32912340Szulian@eit.uni-kl.de ser_range3 = AddrRange(0, (4*slar)-1) 33012340Szulian@eit.uni-kl.de ser_ranges = [ser_range0, ser_range1, ser_range2, ser_range3] 33112340Szulian@eit.uni-kl.de 33212340Szulian@eit.uni-kl.de # Serial link Controller with 16 SerDes links at 10 Gbps with serial link 33312340Szulian@eit.uni-kl.de # ranges w.r.t to architecture 33412340Szulian@eit.uni-kl.de sl = [SerialLink(ranges=ser_ranges[i], 33512340Szulian@eit.uni-kl.de req_size=opt.link_buffer_size_req, 33612340Szulian@eit.uni-kl.de resp_size=opt.link_buffer_size_rsp, 33712340Szulian@eit.uni-kl.de num_lanes=opt.num_lanes_per_link, 33812340Szulian@eit.uni-kl.de link_speed=opt.serial_link_speed, 33912340Szulian@eit.uni-kl.de delay=opt.total_ctrl_latency) for i in 34013731Sandreas.sandberg@arm.com range(opt.num_serial_links)] 34112340Szulian@eit.uni-kl.de system.hmc_host.seriallink = sl 34211183Serfan.azarkhish@unibo.it 34311551Sabdul.mutaal@gmail.com # enable global monitor 34412340Szulian@eit.uni-kl.de if opt.enable_global_monitor: 34512340Szulian@eit.uni-kl.de system.hmc_host.lmonitor = [CommMonitor() for i in 34613731Sandreas.sandberg@arm.com range(opt.num_serial_links)] 34711183Serfan.azarkhish@unibo.it 34811551Sabdul.mutaal@gmail.com # set the clock frequency for serial link 34913731Sandreas.sandberg@arm.com for i in range(opt.num_serial_links): 35012340Szulian@eit.uni-kl.de clk = opt.link_controller_frequency 35112340Szulian@eit.uni-kl.de vd = VoltageDomain(voltage='1V') 35212340Szulian@eit.uni-kl.de scd = SrcClockDomain(clock=clk, voltage_domain=vd) 35312340Szulian@eit.uni-kl.de system.hmc_host.seriallink[i].clk_domain = scd 35411183Serfan.azarkhish@unibo.it 35511551Sabdul.mutaal@gmail.com # Connect membus/traffic gen to Serial Link Controller for differrent HMC 35611551Sabdul.mutaal@gmail.com # architectures 35712340Szulian@eit.uni-kl.de hh = system.hmc_host 35812340Szulian@eit.uni-kl.de if opt.arch == "distributed": 35912340Szulian@eit.uni-kl.de mb = system.membus 36013731Sandreas.sandberg@arm.com for i in range(opt.num_links_controllers): 36112340Szulian@eit.uni-kl.de if opt.enable_global_monitor: 36212340Szulian@eit.uni-kl.de mb.master = hh.lmonitor[i].slave 36312340Szulian@eit.uni-kl.de hh.lmonitor[i].master = hh.seriallink[i].slave 36411551Sabdul.mutaal@gmail.com else: 36512340Szulian@eit.uni-kl.de mb.master = hh.seriallink[i].slave 36612340Szulian@eit.uni-kl.de if opt.arch == "mixed": 36712340Szulian@eit.uni-kl.de mb = system.membus 36812340Szulian@eit.uni-kl.de if opt.enable_global_monitor: 36912340Szulian@eit.uni-kl.de mb.master = hh.lmonitor[0].slave 37012340Szulian@eit.uni-kl.de hh.lmonitor[0].master = hh.seriallink[0].slave 37112340Szulian@eit.uni-kl.de mb.master = hh.lmonitor[1].slave 37212340Szulian@eit.uni-kl.de hh.lmonitor[1].master = hh.seriallink[1].slave 37312340Szulian@eit.uni-kl.de else: 37412340Szulian@eit.uni-kl.de mb.master = hh.seriallink[0].slave 37512340Szulian@eit.uni-kl.de mb.master = hh.seriallink[1].slave 37611183Serfan.azarkhish@unibo.it 37712340Szulian@eit.uni-kl.de if opt.arch == "same": 37813731Sandreas.sandberg@arm.com for i in range(opt.num_links_controllers): 37912340Szulian@eit.uni-kl.de if opt.enable_global_monitor: 38012340Szulian@eit.uni-kl.de hh.lmonitor[i].master = hh.seriallink[i].slave 38111183Serfan.azarkhish@unibo.it 38211551Sabdul.mutaal@gmail.com return system 38311551Sabdul.mutaal@gmail.com 38411551Sabdul.mutaal@gmail.com 38512340Szulian@eit.uni-kl.de# Create an HMC device 38612340Szulian@eit.uni-kl.dedef config_hmc_dev(opt, system, hmc_host): 38711551Sabdul.mutaal@gmail.com 38812340Szulian@eit.uni-kl.de # create HMC device 38912340Szulian@eit.uni-kl.de system.hmc_dev = SubSystem() 39011551Sabdul.mutaal@gmail.com 39112340Szulian@eit.uni-kl.de # create memory ranges for the vault controllers 39212340Szulian@eit.uni-kl.de arv = convert.toMemorySize(opt.hmc_dev_vault_size) 39312340Szulian@eit.uni-kl.de addr_ranges_vaults = [AddrRange(i*arv, ((i+1)*arv-1)) for i in 39412340Szulian@eit.uni-kl.de range(opt.hmc_dev_num_vaults)] 39512340Szulian@eit.uni-kl.de system.mem_ranges = addr_ranges_vaults 39611551Sabdul.mutaal@gmail.com 39712340Szulian@eit.uni-kl.de if opt.enable_link_monitor: 39813731Sandreas.sandberg@arm.com lm = [CommMonitor() for i in range(opt.num_links_controllers)] 39912340Szulian@eit.uni-kl.de system.hmc_dev.lmonitor = lm 40011551Sabdul.mutaal@gmail.com 40111551Sabdul.mutaal@gmail.com # 4 HMC Crossbars located in its logic-base (LoB) 40212340Szulian@eit.uni-kl.de xb = [NoncoherentXBar(width=opt.xbar_width, 40312340Szulian@eit.uni-kl.de frontend_latency=opt.xbar_frontend_latency, 40412340Szulian@eit.uni-kl.de forward_latency=opt.xbar_forward_latency, 40512340Szulian@eit.uni-kl.de response_latency=opt.xbar_response_latency) for i in 40613731Sandreas.sandberg@arm.com range(opt.number_mem_crossbar)] 40712340Szulian@eit.uni-kl.de system.hmc_dev.xbar = xb 40811551Sabdul.mutaal@gmail.com 40913731Sandreas.sandberg@arm.com for i in range(opt.number_mem_crossbar): 41012340Szulian@eit.uni-kl.de clk = opt.xbar_frequency 41112340Szulian@eit.uni-kl.de vd = VoltageDomain(voltage='1V') 41212340Szulian@eit.uni-kl.de scd = SrcClockDomain(clock=clk, voltage_domain=vd) 41312340Szulian@eit.uni-kl.de system.hmc_dev.xbar[i].clk_domain = scd 41411551Sabdul.mutaal@gmail.com 41511551Sabdul.mutaal@gmail.com # Attach 4 serial link to 4 crossbar/s 41613731Sandreas.sandberg@arm.com for i in range(opt.num_serial_links): 41712340Szulian@eit.uni-kl.de if opt.enable_link_monitor: 41811551Sabdul.mutaal@gmail.com system.hmc_host.seriallink[i].master = \ 41911551Sabdul.mutaal@gmail.com system.hmc_dev.lmonitor[i].slave 42011551Sabdul.mutaal@gmail.com system.hmc_dev.lmonitor[i].master = system.hmc_dev.xbar[i].slave 42111183Serfan.azarkhish@unibo.it else: 42211551Sabdul.mutaal@gmail.com system.hmc_host.seriallink[i].master = system.hmc_dev.xbar[i].slave 42311551Sabdul.mutaal@gmail.com 42411551Sabdul.mutaal@gmail.com # Connecting xbar with each other for request arriving at the wrong xbar, 42511551Sabdul.mutaal@gmail.com # then it will be forward to correct xbar. Bridge is used to connect xbars 42612340Szulian@eit.uni-kl.de if opt.arch == "same": 42711551Sabdul.mutaal@gmail.com numx = len(system.hmc_dev.xbar) 42811551Sabdul.mutaal@gmail.com 42911551Sabdul.mutaal@gmail.com # create a list of buffers 43012340Szulian@eit.uni-kl.de system.hmc_dev.buffers = [Bridge(req_size=opt.xbar_buffer_size_req, 43112340Szulian@eit.uni-kl.de resp_size=opt.xbar_buffer_size_resp) 43213731Sandreas.sandberg@arm.com for i in range(numx*(opt.mem_chunk-1))] 43311551Sabdul.mutaal@gmail.com 43411551Sabdul.mutaal@gmail.com # Buffer iterator 43511551Sabdul.mutaal@gmail.com it = iter(range(len(system.hmc_dev.buffers))) 43611551Sabdul.mutaal@gmail.com 43711551Sabdul.mutaal@gmail.com # necesarry to add system_port to one of the xbar 43811551Sabdul.mutaal@gmail.com system.system_port = system.hmc_dev.xbar[3].slave 43911551Sabdul.mutaal@gmail.com 44011551Sabdul.mutaal@gmail.com # iterate over all the crossbars and connect them as required 44111551Sabdul.mutaal@gmail.com for i in range(numx): 44211551Sabdul.mutaal@gmail.com for j in range(numx): 44311551Sabdul.mutaal@gmail.com # connect xbar to all other xbars except itself 44411551Sabdul.mutaal@gmail.com if i != j: 44511551Sabdul.mutaal@gmail.com # get the next index of buffer 44611551Sabdul.mutaal@gmail.com index = it.next() 44711551Sabdul.mutaal@gmail.com 44811551Sabdul.mutaal@gmail.com # Change the default values for ranges of bridge 44911551Sabdul.mutaal@gmail.com system.hmc_dev.buffers[index].ranges = system.mem_ranges[ 45012340Szulian@eit.uni-kl.de j * int(opt.mem_chunk): 45112340Szulian@eit.uni-kl.de (j + 1) * int(opt.mem_chunk)] 45211551Sabdul.mutaal@gmail.com 45311551Sabdul.mutaal@gmail.com # Connect the bridge between corssbars 45411551Sabdul.mutaal@gmail.com system.hmc_dev.xbar[i].master = system.hmc_dev.buffers[ 45511551Sabdul.mutaal@gmail.com index].slave 45611551Sabdul.mutaal@gmail.com system.hmc_dev.buffers[ 45711551Sabdul.mutaal@gmail.com index].master = system.hmc_dev.xbar[j].slave 45811551Sabdul.mutaal@gmail.com else: 45911551Sabdul.mutaal@gmail.com # Don't connect the xbar to itself 46011551Sabdul.mutaal@gmail.com pass 46111551Sabdul.mutaal@gmail.com 46211551Sabdul.mutaal@gmail.com # Two crossbars are connected to all other crossbars-Other 2 vault 46311551Sabdul.mutaal@gmail.com # can only direct traffic to it local vaults 46412340Szulian@eit.uni-kl.de if opt.arch == "mixed": 46511551Sabdul.mutaal@gmail.com system.hmc_dev.buffer30 = Bridge(ranges=system.mem_ranges[0:4]) 46611551Sabdul.mutaal@gmail.com system.hmc_dev.xbar[3].master = system.hmc_dev.buffer30.slave 46711551Sabdul.mutaal@gmail.com system.hmc_dev.buffer30.master = system.hmc_dev.xbar[0].slave 46811551Sabdul.mutaal@gmail.com 46911551Sabdul.mutaal@gmail.com system.hmc_dev.buffer31 = Bridge(ranges=system.mem_ranges[4:8]) 47011551Sabdul.mutaal@gmail.com system.hmc_dev.xbar[3].master = system.hmc_dev.buffer31.slave 47111551Sabdul.mutaal@gmail.com system.hmc_dev.buffer31.master = system.hmc_dev.xbar[1].slave 47211551Sabdul.mutaal@gmail.com 47311551Sabdul.mutaal@gmail.com system.hmc_dev.buffer32 = Bridge(ranges=system.mem_ranges[8:12]) 47411551Sabdul.mutaal@gmail.com system.hmc_dev.xbar[3].master = system.hmc_dev.buffer32.slave 47511551Sabdul.mutaal@gmail.com system.hmc_dev.buffer32.master = system.hmc_dev.xbar[2].slave 47611551Sabdul.mutaal@gmail.com 47711551Sabdul.mutaal@gmail.com system.hmc_dev.buffer20 = Bridge(ranges=system.mem_ranges[0:4]) 47811551Sabdul.mutaal@gmail.com system.hmc_dev.xbar[2].master = system.hmc_dev.buffer20.slave 47911551Sabdul.mutaal@gmail.com system.hmc_dev.buffer20.master = system.hmc_dev.xbar[0].slave 48011551Sabdul.mutaal@gmail.com 48111551Sabdul.mutaal@gmail.com system.hmc_dev.buffer21 = Bridge(ranges=system.mem_ranges[4:8]) 48211551Sabdul.mutaal@gmail.com system.hmc_dev.xbar[2].master = system.hmc_dev.buffer21.slave 48311551Sabdul.mutaal@gmail.com system.hmc_dev.buffer21.master = system.hmc_dev.xbar[1].slave 48411551Sabdul.mutaal@gmail.com 48511551Sabdul.mutaal@gmail.com system.hmc_dev.buffer23 = Bridge(ranges=system.mem_ranges[12:16]) 48611551Sabdul.mutaal@gmail.com system.hmc_dev.xbar[2].master = system.hmc_dev.buffer23.slave 48711551Sabdul.mutaal@gmail.com system.hmc_dev.buffer23.master = system.hmc_dev.xbar[3].slave 488