From e58daf31134c12dc6d341838ad8782224d3032b5 Mon Sep 17 00:00:00 2001
From: dam1n19 <dam1n19@soton.ac.uk>
Date: Tue, 11 Apr 2023 13:02:43 +0100
Subject: [PATCH] SOC1-124: Restructured environment setup and environment
variable names
---
CHIPKIT | 2 +-
accelerator-wrapper | 2 +-
env/dependency_env.sh | 34 +++++++++++++++++++
flist/ahb_ip.flist | 10 +++---
flist/ahb_vip.flist | 10 +++---
flist/primatives.flist | 6 ++--
flist/secwork_sha25_stream.flist | 26 ++++++++++++++
flist/system.flist | 6 ++--
flist/wrapper.flist | 8 ++---
flist/wrapper_ip.flist | 30 ++++++++++++++++
flow/simulators/ivlog_sim.sh | 6 ++--
flow/soc-init | 2 +-
flow/socsim | 4 +--
nanosoc | 2 +-
secworks-sha256 | 2 +-
set_env.sh | 32 ++++++++++-------
.../socsim/nanosoc_sha256_hashing_stream.sh | 19 -----------
simulate/socsim/wrapper_secworks_sha256.sh | 29 +++++++---------
.../socsim/wrapper_sha256_hashing_stream.sh | 29 ----------------
simulate/socsim/wrapper_vr_loopback.sh | 16 ---------
socsim | 2 +-
21 files changed, 154 insertions(+), 123 deletions(-)
create mode 100755 env/dependency_env.sh
create mode 100644 flist/secwork_sha25_stream.flist
create mode 100644 flist/wrapper_ip.flist
delete mode 100755 simulate/socsim/nanosoc_sha256_hashing_stream.sh
delete mode 100755 simulate/socsim/wrapper_sha256_hashing_stream.sh
delete mode 100755 simulate/socsim/wrapper_vr_loopback.sh
diff --git a/CHIPKIT b/CHIPKIT
index 89226d9..6724169 160000
--- a/CHIPKIT
+++ b/CHIPKIT
@@ -1 +1 @@
-Subproject commit 89226d95cde43401ac3773c73049f4e623baeac6
+Subproject commit 672416929813708f48e5376c8de00a4f7a69aa9a
diff --git a/accelerator-wrapper b/accelerator-wrapper
index 8cdaed6..7a5fe70 160000
--- a/accelerator-wrapper
+++ b/accelerator-wrapper
@@ -1 +1 @@
-Subproject commit 8cdaed6e4eb5b9a56d6a44bdec1ef1348138efe8
+Subproject commit 7a5fe7024c3d2be951242c81f15aa743fca5faa8
diff --git a/env/dependency_env.sh b/env/dependency_env.sh
new file mode 100755
index 0000000..39edeb9
--- /dev/null
+++ b/env/dependency_env.sh
@@ -0,0 +1,34 @@
+#-----------------------------------------------------------------------------
+# SoC Labs Dependency Repository Environment Setup Script
+# A joint work commissioned on behalf of SoC Labs, under Arm Academic Access license.
+#
+# Contributors
+#
+# David Mapstone (d.a.mapstone@soton.ac.uk)
+#
+# Copyright 2023, SoC Labs (www.soclabs.org)
+#-----------------------------------------------------------------------------
+#!/bin/bash
+
+#-----------------------------------------------------------------------------
+# Technologies
+#-----------------------------------------------------------------------------
+
+# Accelerator Engine
+export SECWORKS_SHA2_TECH_DIR="$PROJECT_DIR/secworks-sha256"
+
+# Accelerator Wrapper
+export WRAPPER_TECH_DIR="$PROJECT_DIR/accelerator-wrapper"
+
+# NanoSoC
+export NANOSOC_TECH_DIR="$PROJECT_DIR/nanosoc"
+
+#-----------------------------------------------------------------------------
+# Flows
+#-----------------------------------------------------------------------------
+
+# CHIPKIT - Register Generation
+export CHIPKIT_FLOW_DIR="$PROJECT_DIR/CHIPKIT"
+
+# SoCSim - Basic Simulation Flow Wrapper
+export SOCSIM_FLOW_DIR="$PROJECT_DIR/socsim"
\ No newline at end of file
diff --git a/flist/ahb_ip.flist b/flist/ahb_ip.flist
index 65441c5..926e156 100644
--- a/flist/ahb_ip.flist
+++ b/flist/ahb_ip.flist
@@ -16,9 +16,9 @@
+libext+.v+.vlib
// ============= Accelerator Module search path =============
--y $(SOC_TOP_DIR)/cmsdk/ip/
-+incdir+$(SOC_TOP_DIR)/hdl/ip/
+-y $(PROJECT_DIR)/cmsdk/ip/
++incdir+$(PROJECT_DIR)/hdl/ip/
-$(SOC_TOP_DIR)/cmsdk/ip/cmsdk_ahb_default_slave.v
-$(SOC_TOP_DIR)/cmsdk/ip/cmsdk_ahb_slave_mux.v
-// $(SOC_TOP_DIR)/cmsdk/ip/cmsdk_ahb_ram_beh.v
\ No newline at end of file
+$(PROJECT_DIR)/cmsdk/ip/cmsdk_ahb_default_slave.v
+$(PROJECT_DIR)/cmsdk/ip/cmsdk_ahb_slave_mux.v
+// $(PROJECT_DIR)/cmsdk/ip/cmsdk_ahb_ram_beh.v
\ No newline at end of file
diff --git a/flist/ahb_vip.flist b/flist/ahb_vip.flist
index 1550de1..ead72ed 100644
--- a/flist/ahb_vip.flist
+++ b/flist/ahb_vip.flist
@@ -16,9 +16,9 @@
+libext+.v+.vlib
// ============= Accelerator Module search path =============
--y $(SOC_TOP_DIR)/cmsdk/vip/
-+incdir+$(SOC_TOP_DIR)/cmsdk/vip/
+-y $(PROJECT_DIR)/cmsdk/vip/
++incdir+$(PROJECT_DIR)/cmsdk/vip/
-$(SOC_TOP_DIR)/cmsdk/vip/cmsdk_ahb_fileread_master32.v
-$(SOC_TOP_DIR)/cmsdk/vip/cmsdk_ahb_fileread_funnel.v
-$(SOC_TOP_DIR)/cmsdk/vip/cmsdk_ahb_filereadcore.v
\ No newline at end of file
+$(PROJECT_DIR)/cmsdk/vip/cmsdk_ahb_fileread_master32.v
+$(PROJECT_DIR)/cmsdk/vip/cmsdk_ahb_fileread_funnel.v
+$(PROJECT_DIR)/cmsdk/vip/cmsdk_ahb_filereadcore.v
\ No newline at end of file
diff --git a/flist/primatives.flist b/flist/primatives.flist
index f97049b..987baf8 100644
--- a/flist/primatives.flist
+++ b/flist/primatives.flist
@@ -16,7 +16,7 @@
+libext+.v+.vlib
// ============= Accelerator Module search path =============
--y $(SOC_TOP_DIR)/primatives/src/
-+incdir+$(SOC_TOP_DIR)/primatives/src/
+-y $(PROJECT_DIR)/primatives/src/
++incdir+$(PROJECT_DIR)/primatives/src/
-$(SOC_TOP_DIR)/primatives/src/fifo_vr.sv
+$(PROJECT_DIR)/primatives/src/fifo_vr.sv
diff --git a/flist/secwork_sha25_stream.flist b/flist/secwork_sha25_stream.flist
new file mode 100644
index 0000000..2d1df07
--- /dev/null
+++ b/flist/secwork_sha25_stream.flist
@@ -0,0 +1,26 @@
+//-----------------------------------------------------------------------------
+// Secworks SHA2 Accelerator AXI-Stream Filelist
+// A joint work commissioned on behalf of SoC Labs, under Arm Academic Access license.
+//
+// Contributors
+//
+// David Mapstone (d.a.mapstone@soton.ac.uk)
+//
+// Copyright � 2021-3, SoC Labs (www.soclabs.org)
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+// Abstract : Verilog Command File for Accelerator AXI Stream IP
+//-----------------------------------------------------------------------------
+
+// ============= Verilog library extensions ===========
++libext+.v+.vlib
+
+// ============= Accelerator Module search path =============
+-y $(SECWORKS_SHA2_TECH_DIR)/src/rtl/
++incdir+$(SECWORKS_SHA2_TECH_DIR)/src/rtl/
+
+$(SECWORKS_SHA2_TECH_DIR)/src/interfaces/stream/rtl/sha256_stream.v
+
+$(SECWORKS_SHA2_TECH_DIR)/src/rtl/sha256_core.v
+$(SECWORKS_SHA2_TECH_DIR)/src/rtl/sha256_k_constants.v
+$(SECWORKS_SHA2_TECH_DIR)/src/rtl/sha256_w_mem.v
diff --git a/flist/system.flist b/flist/system.flist
index 968aee3..10d985b 100644
--- a/flist/system.flist
+++ b/flist/system.flist
@@ -16,7 +16,7 @@
+libext+.v+.vlib
// ============= Accelerator Module search path =============
--y $(SOC_TOP_DIR)/system/src/
-+incdir+$(SOC_TOP_DIR)/system/src/
+-y $(PROJECT_DIR)/system/src/
++incdir+$(PROJECT_DIR)/system/src/
-$(SOC_TOP_DIR)/system/src/nanosoc_exp.v
\ No newline at end of file
+$(PROJECT_DIR)/system/src/nanosoc_exp.v
\ No newline at end of file
diff --git a/flist/wrapper.flist b/flist/wrapper.flist
index 7a73878..7aa139a 100644
--- a/flist/wrapper.flist
+++ b/flist/wrapper.flist
@@ -16,8 +16,8 @@
+libext+.v+.vlib
// ============= Accelerator Module search path =============
--y $(SOC_TOP_DIR)/wrapper/src/
-+incdir+$(SOC_TOP_DIR)/wrapper/src/
+-y $(PROJECT_DIR)/wrapper/src/
++incdir+$(PROJECT_DIR)/wrapper/src/
-$(SOC_TOP_DIR)/wrapper/src/wrapper_secworks_sha256.sv
-$(SOC_TOP_DIR)/wrapper/src/wrapper_digest_filter.sv
+$(PROJECT_DIR)/wrapper/src/wrapper_secworks_sha256.sv
+$(PROJECT_DIR)/wrapper/src/wrapper_digest_filter.sv
diff --git a/flist/wrapper_ip.flist b/flist/wrapper_ip.flist
new file mode 100644
index 0000000..046c08f
--- /dev/null
+++ b/flist/wrapper_ip.flist
@@ -0,0 +1,30 @@
+//-----------------------------------------------------------------------------
+// Accelerator Wrapper Filelist
+// A joint work commissioned on behalf of SoC Labs, under Arm Academic Access license.
+//
+// Contributors
+//
+// David Mapstone (d.a.mapstone@soton.ac.uk)
+//
+// Copyright � 2021-3, SoC Labs (www.soclabs.org)
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+// Abstract : Verilog Command File for Accelerator Wrapper IP
+//-----------------------------------------------------------------------------
+
+// ============= Verilog library extensions ===========
++libext+.v+.vlib
+
+// ============= Accelerator Module search path =============
+-y $(WRAPPER_TECH_DIR)/hdl/src/
++incdir+$(WRAPPER_TECH_DIR)/hdl/src/
+
+$(WRAPPER_TECH_DIR)/hdl/src/wrapper_ahb_packet_constructor.sv
+$(WRAPPER_TECH_DIR)/hdl/src/wrapper_ahb_packet_deconstructor.sv
+
+$(WRAPPER_TECH_DIR)/hdl/src/wrapper_addr_calc.sv
+$(WRAPPER_TECH_DIR)/hdl/src/wrapper_data_req.sv
+$(WRAPPER_TECH_DIR)/hdl/src/wrapper_ahb_reg_interface.sv
+// $(WRAPPER_TECH_DIR)/hdl/src/wrapper_ahb_vr_interface.sv
+$(WRAPPER_TECH_DIR)/hdl/src/wrapper_packet_construct.sv
+$(WRAPPER_TECH_DIR)/hdl/src/wrapper_packet_deconstruct.sv
diff --git a/flow/simulators/ivlog_sim.sh b/flow/simulators/ivlog_sim.sh
index 149b9ce..839dd42 100755
--- a/flow/simulators/ivlog_sim.sh
+++ b/flow/simulators/ivlog_sim.sh
@@ -11,6 +11,6 @@
#!/usr/bin/env bash
-mkdir -p $SOC_TOP_DIR/simulate/sim/
-iverilog -g2012 -o $SOC_TOP_DIR/simulate/sim/$1.vvp $ACC_WRAPPER_DIR/hdl/verif/tb_$1.sv
-cd $SOC_TOP_DIR/simulate/sim/ && vvp $1.vvp $2
\ No newline at end of file
+mkdir -p $PROJECT_DIR/simulate/sim/
+iverilog -g2012 -o $PROJECT_DIR/simulate/sim/$1.vvp $WRAPPER_TECH_DIR/hdl/verif/tb_$1.sv
+cd $PROJECT_DIR/simulate/sim/ && vvp $1.vvp $2
\ No newline at end of file
diff --git a/flow/soc-init b/flow/soc-init
index 51df7f3..3f3e045 100755
--- a/flow/soc-init
+++ b/flow/soc-init
@@ -14,7 +14,7 @@
# Source environment variables for all submodules
cd $DESIGN_ROOT
-for d in $SOC_TOP_DIR/* ; do
+for d in $PROJECT_DIR/* ; do
if [ -e "$d/.git" ]; then
echo $d
if [ -f "$d/set_env.sh" ]; then
diff --git a/flow/socsim b/flow/socsim
index 5b56393..4475e85 100755
--- a/flow/socsim
+++ b/flow/socsim
@@ -15,9 +15,9 @@ DEFAULT_SIMULATOR="ivlog"
if [[ -z "${SIMULATOR}" ]]; then
SIMULATOR=$DEFAULT_SIMULATOR
fi
-# $SOC_TOP_DIR"/flow/simulators/"$SIMULATOR"_sim.sh" $@
+# $PROJECT_DIR"/flow/simulators/"$SIMULATOR"_sim.sh" $@
-for d in $SOC_TOP_DIR/* ; do
+for d in $PROJECT_DIR/* ; do
if [ -f "$d/.git" ]; then
if [ -f "$d/simulate/socsim/$1.sh" ]; then
# If .git file exists - submodule
diff --git a/nanosoc b/nanosoc
index 65925f9..3b65f6f 160000
--- a/nanosoc
+++ b/nanosoc
@@ -1 +1 @@
-Subproject commit 65925f9cf28b2e2d328fcff94b3296b89cca3ffd
+Subproject commit 3b65f6f388136905c590e9e067222e5f3679e90e
diff --git a/secworks-sha256 b/secworks-sha256
index edec92f..0ca2ab8 160000
--- a/secworks-sha256
+++ b/secworks-sha256
@@ -1 +1 @@
-Subproject commit edec92f3167b358d58f65a2fad4b7f929d78aeb0
+Subproject commit 0ca2ab834833789eb49f8f61d929a80734b3f990
diff --git a/set_env.sh b/set_env.sh
index dc61db8..fea648b 100755
--- a/set_env.sh
+++ b/set_env.sh
@@ -24,26 +24,34 @@ if [ -z $DESIGN_ROOT ]; then
source $DESIGN_ROOT/set_env.sh
else
# Set Environment Variable for this Repository
- export SOC_TOP_DIR="$(cd -P "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ export PROJECT_DIR="$(cd -P "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# If this Repo is root of workspace
- if [ $SOC_TOP_DIR = $DESIGN_ROOT ]; then
+ if [ $PROJECT_DIR = $DESIGN_ROOT ]; then
echo "Design Workspace: $DESIGN_ROOT"
export DESIGN_ROOT
# Set Default Simulator
export SIMULATOR="ivlog"
fi
- # Source environment variables for all submodules
- for d in $SOC_TOP_DIR/* ; do
- if [ -e "$d/.git" ]; then
- if [ -f "$d/set_env.sh" ]; then
- # If .git file exists - submodule
- source $d/set_env.sh
- fi
- fi
- done
+ # Source dependency environment variable script
+ source $PROJECT_DIR/env/dependency_env.sh
# Add Scripts to Path
- export PATH="$PATH:/$SOC_TOP_DIR/flow"
+ # "TECH_DIR"
+ while read line; do
+ eval PATH="$PATH:\$${line}/flow"
+ done <<< "$(awk 'BEGIN{for(v in ENVIRON) print v}' | grep TECH_DIR)"
+
+ # "FLOW_DIR"
+ while read line; do
+ eval PATH="$PATH:\$${line}/flow"
+ done <<< "$(awk 'BEGIN{for(v in ENVIRON) print v}' | grep FLOW_DIR)"
+
+ # "PROJECT_DIR"
+ while read line; do
+ eval PATH="$PATH:\$${line}/flow"
+ done <<< "$(awk 'BEGIN{for(v in ENVIRON) print v}' | grep PROJECT_DIR)"
+
+ export PATH
fi
\ No newline at end of file
diff --git a/simulate/socsim/nanosoc_sha256_hashing_stream.sh b/simulate/socsim/nanosoc_sha256_hashing_stream.sh
deleted file mode 100755
index c3ce45f..0000000
--- a/simulate/socsim/nanosoc_sha256_hashing_stream.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#-----------------------------------------------------------------------------
-# SoC Labs Cadence Xcelium simulation script for engine testbench
-# A joint work commissioned on behalf of SoC Labs, under Arm Academic Access license.
-#
-# Contributors
-#
-# David Mapstone (d.a.mapstone@soton.ac.uk)
-#
-# Copyright 2022, SoC Labs (www.soclabs.org)
-#-----------------------------------------------------------------------------
-
-#!/usr/bin/env bash
-
-mkdir -p $SOC_TOP_DIR/simulate/sim/
-make run_xm \
- TESTNAME=hello \
- ACCELERATOR_VC="-sv -f $ACC_ENGINE_DIR/flist/sha-2-accelerator_src.flist -f $ACC_WRAPPER_DIR/flist/wrapper_ip.flist" \
- ADP_FILE="$SOC_TOP_DIR/system/stimulus/adp_hash_stim.cmd" \
- -C $NANOSOC_DIR/Cortex-M0/nanosoc/systems/mcu/rtl_sim
\ No newline at end of file
diff --git a/simulate/socsim/wrapper_secworks_sha256.sh b/simulate/socsim/wrapper_secworks_sha256.sh
index 64ecee6..a36666d 100755
--- a/simulate/socsim/wrapper_secworks_sha256.sh
+++ b/simulate/socsim/wrapper_secworks_sha256.sh
@@ -12,28 +12,25 @@
#!/usr/bin/env bash
# Generate Stimulus from stimulus generation Script
-# python3 $ACC_SEC_SHA2_DIR/flow/stimgen.py
+# python3 $SECWORKS_SHA2_TECH_DIR/flow/stimgen.py
# Create Simulatiom Directory to Run in
-mkdir -p $SOC_TOP_DIR/simulate/sim/
-mkdir -p $SOC_TOP_DIR/simulate/sim/wrapper_secworks_sha256
+mkdir -p $PROJECT_DIR/simulate/sim/
+mkdir -p $PROJECT_DIR/simulate/sim/wrapper_secworks_sha256
-cd $SOC_TOP_DIR/simulate/sim/wrapper_secworks_sha256
+cd $PROJECT_DIR/simulate/sim/wrapper_secworks_sha256
# Compile Simulation
xrun \
-64bit \
-sv \
-timescale 1ps/1ps \
+access+r \
- -f $SOC_TOP_DIR/flist/wrapper.flist \
- -f $SOC_TOP_DIR/flist/primatives.flist \
- -f $SOC_TOP_DIR/flist/ahb_ip.flist \
- -f $SOC_TOP_DIR/flist/ahb_vip.flist \
- -f $ACC_SEC_SHA2_DIR/flist/*.flist \
- -f $ACC_WRAPPER_DIR/flist/wrapper_ip.flist \
- -xmlibdirname $SOC_TOP_DIR/simulate/sim/wrapper_secworks_sha256 \
- $SOC_TOP_DIR/wrapper/verif/tb_wrapper_secworks_sha256.sv \
+ -f $PROJECT_DIR/flist/primatives.flist \
+ -f $PROJECT_DIR/flist/wrapper_ip.flist \
+ -f $PROJECT_DIR/flist/ahb_ip.flist \
+ -f $PROJECT_DIR/flist/wrapper.flist \
+ -f $PROJECT_DIR/flist/ahb_vip.flist \
+ -f $PROJECT_DIR/flist/secworks_sha25_stream.flist \
+ -xmlibdirname $PROJECT_DIR/simulate/sim/wrapper_secworks_sha256 \
+ $PROJECT_DIR/wrapper/verif/tb_wrapper_secworks_sha256.sv \
-gui \
- -top tb_wrapper_secworks_sha256
-
-# Run Simulation
-# cd $SOC_TOP_DIR/simulate/sim/ && vvp wrapper_sha256_hashing_stream.vvp
\ No newline at end of file
+ -top tb_wrapper_secworks_sha256
\ No newline at end of file
diff --git a/simulate/socsim/wrapper_sha256_hashing_stream.sh b/simulate/socsim/wrapper_sha256_hashing_stream.sh
deleted file mode 100755
index d6795fe..0000000
--- a/simulate/socsim/wrapper_sha256_hashing_stream.sh
+++ /dev/null
@@ -1,29 +0,0 @@
-#-----------------------------------------------------------------------------
-# SoC Labs icarus verilog simulation script for engine testbench
-# A joint work commissioned on behalf of SoC Labs, under Arm Academic Access license.
-#
-# Contributors
-#
-# David Mapstone (d.a.mapstone@soton.ac.uk)
-#
-# Copyright 2022, SoC Labs (www.soclabs.org)
-#-----------------------------------------------------------------------------
-
-#!/usr/bin/env bash
-
-# Generate Stimulus from stimulus generation Script
-python3 $ACC_WRAPPER_DIR/flow/stimgen.py
-# Create Simulatiom Directory to Run in
-mkdir -p $SOC_TOP_DIR/simulate/sim/
-# Compile Simulation
-iverilog \
- -c $SOC_TOP_DIR/flist/wrapper.flist \
- -c $SOC_TOP_DIR/flist/ahb_ip.flist \
- -c $SOC_TOP_DIR/flist/ahb_vip.flist \
- -c $ACC_WRAPPER_DIR/flist/wrapper_ip.flist \
- -c $ACC_ENGINE_DIR/flist/*.flist \
- -g2012 \
- -o $SOC_TOP_DIR/simulate/sim/wrapper_sha256_hashing_stream.vvp \
- $SOC_TOP_DIR/wrapper/verif/tb_wrapper_sha256_hashing_stream.sv
-# Run Simulation
-cd $SOC_TOP_DIR/simulate/sim/ && vvp wrapper_sha256_hashing_stream.vvp
\ No newline at end of file
diff --git a/simulate/socsim/wrapper_vr_loopback.sh b/simulate/socsim/wrapper_vr_loopback.sh
deleted file mode 100755
index f9c92e4..0000000
--- a/simulate/socsim/wrapper_vr_loopback.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#-----------------------------------------------------------------------------
-# SoC Labs icarus verilog simulation script for engine testbench
-# A joint work commissioned on behalf of SoC Labs, under Arm Academic Access license.
-#
-# Contributors
-#
-# David Mapstone (d.a.mapstone@soton.ac.uk)
-#
-# Copyright 2022, SoC Labs (www.soclabs.org)
-#-----------------------------------------------------------------------------
-
-#!/usr/bin/env bash
-
-mkdir -p $SOC_TOP_DIR/simulate/sim/
-iverilog -c $ACC_WRAPPER_DIR/flist/accelerator_wrapper.flist -c $ACC_WRAPPER_DIR/flist/ahb_ip.flist -c -I $ACC_WRAPPER_DIR/hdl/verif/ -I $ACC_WRAPPER_DIR/hdl/verif/submodules -I $ACC_WRAPPER_DIR/hdl/src/ -g2012 -o $SOC_TOP_DIR/simulate/sim/wrapper_vr_loopback.vvp $ACC_WRAPPER_DIR/hdl/verif/tb_wrapper_vr_loopback.sv
-cd $SOC_TOP_DIR/simulate/sim/ && vvp wrapper_vr_loopback.vvp +STIMFILE=$ACC_WRAPPER_DIR/simulate/stimulus/ahb_input_hash_stim.m2d
\ No newline at end of file
diff --git a/socsim b/socsim
index 449dff8..550534f 160000
--- a/socsim
+++ b/socsim
@@ -1 +1 @@
-Subproject commit 449dff8e21ada114a797a5a90085de1dfe41feb4
+Subproject commit 550534f90e957c4ecc652e9cdd6372869c9a21a2
--
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