diff --git a/benchmarks/embench/Makefile b/benchmarks/embench/Makefile
index 28b012cd..0cb54e1a 100644
--- a/benchmarks/embench/Makefile
+++ b/benchmarks/embench/Makefile
@@ -1,4 +1,5 @@
 # Makefile added 1/20/22 David_Harris@hmc.edu
+# Expanded and developed by dtorres@hmc.edu
 # Compile Embench for Wally
 
 all: build sim
@@ -6,9 +7,9 @@ all: build sim
 allClean: clean all
 
 build:
-	../../addins/embench-iot/build_all.py --builddir=bd_speed --arch riscv32 --chip generic --board rv32wallyverilog --ldflags="-nostartfiles ../../../config/riscv32/boards/rv32wallyverilog/startup/crt0.S" --cflags="-nostartfiles" 
+	../../addins/embench-iot/build_all.py -v --builddir=bd_speed --arch riscv32 --chip generic --board rv32wallyverilog --ldflags="-nostartfiles ../../../config/riscv32/boards/rv32wallyverilog/startup/crt0.S" --cflags="-nostartfiles" 
 	find ../../addins/embench-iot/bd_speed/ -type f ! -name "*.*" | while read f; do cp "$$f" "$$f.elf"; done
-	../../addins/embench-iot/build_all.py --builddir=bd_size --arch riscv32 --chip generic --board rv32wallyverilog --ldflags="-nostdlib -nostartfiles" --cflags="-msave-restore" --dummy-libs="libgcc libm libc crt0"
+	../../addins/embench-iot/build_all.py -v --builddir=bd_size --arch riscv32 --chip generic --board rv32wallyverilog --ldflags="-nostdlib -nostartfiles ../../../config/riscv32/boards/rv32wallyverilog/startup/dummy.S" --cflags="-msave-restore" --dummy-libs="libgcc libm libc crt0"
 
 sim: modelSimBuild size speed
 
@@ -20,10 +21,10 @@ size:
 	../../addins/embench-iot/benchmark_size.py --builddir=bd_size
 
 speed:
-	../../addins/embench-iot/benchmark_speed.py --builddir=bd_speed --target-module run_wally --cpu-mhz=50
+	../../addins/embench-iot/benchmark_speed.py --builddir=bd_speed --target-module run_wally --cpu-mhz=1
 
 objdump:
-	find ../../addins/embench-iot/bd_speed/ -type f -name "*.elf" | while read f; do riscv64-unknown-elf-objdump -S "$$f" > "$$f.objdump"; done
+	find ../../addins/embench-iot/bd_speed/ -type f -name "*.elf" | while read f; do riscv64-unknown-elf-objdump -S -D "$$f" > "$$f.objdump"; done
 
 clean: 
 	rm -rf ../../addins/embench-iot/bd_speed/
@@ -37,3 +38,5 @@ clean:
 # ../../addins/embench-iot/build_all.py --arch riscv32 --chip generic --board rv32wallyverilog --cc riscv64-unknown-elf-gcc --cflags="-c -Os -ffunction-sections -nostdlib -march=rv32imac -mabi=ilp32" --ldflags="-Wl,-gc-sections -nostdlib -march=rv32imac -mabi=ilp32 -T../../../config/riscv32/boards/rv32wallyverilog/link.ld" --dummy-libs="libgcc libm libc"
 # --user-libs="-lm" 
 # riscv64-unknown-elf-gcc -O2 -g -nostartfiles -I/home/harris/riscv-wally/addins/embench-iot/support -I/home/harris/riscv-wally/addins/embench-iot/config/riscv32/boards/ri5cyverilator -I/home/harris/riscv-wally/addins/embench-iot/config/riscv32/chips/generic -I/home/harris/riscv-wally/addins/embench-iot/config/riscv32 -DCPU_MHZ=1 -DWARMUP_HEAT=1 -o main.o /home/harris/riscv-wally/addins/embench-iot/support/main.c
+
+# find ../../addins/embench-iot/bd_speed/ -type f -name "*.elf.objdump.lab" | while read f; do grep -n "begin_signature" $f | cut -f1 -d: