arduino_multi_serial test case added
diff --git a/verilog/dv/Makefile b/verilog/dv/Makefile
index ee8c829..ad07006 100644
--- a/verilog/dv/Makefile
+++ b/verilog/dv/Makefile
@@ -19,7 +19,7 @@
.SUFFIXES:
.SILENT: clean all
-PATTERNS = wb_port risc_boot user_risc_boot user_uart user_uart1 user_qspi user_i2cm riscv_regress user_basic user_usb user_pwm user_timer user_uart_master uart_master user_mcore user_sram_exec user_cache_bypass user_gpio arduino_risc_boot arduino_hello_world arduino_ascii_table
+PATTERNS = wb_port risc_boot user_risc_boot user_uart user_uart1 user_qspi user_i2cm riscv_regress user_basic user_usb user_pwm user_timer user_uart_master uart_master user_mcore user_sram_exec user_cache_bypass user_gpio arduino_risc_boot arduino_hello_world arduino_ascii_table arduino_multi_serial
all: ${PATTERNS}
for i in ${PATTERNS}; do \
diff --git a/verilog/dv/arduino_multi_serial/Makefile b/verilog/dv/arduino_multi_serial/Makefile
new file mode 100644
index 0000000..6a11a0c
--- /dev/null
+++ b/verilog/dv/arduino_multi_serial/Makefile
@@ -0,0 +1,141 @@
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+
+# ---- Include Partitioned Makefiles ----
+
+CONFIG = caravel_user_project
+
+#######################################################################
+## Caravel Verilog for Integration Tests
+#######################################################################
+
+DESIGNS?=../../..
+TOOLS?=/opt/riscv64i/
+
+export USER_PROJECT_VERILOG ?= $(DESIGNS)/verilog
+export RISCDUINO_BOARD ?= $(USER_PROJECT_VERILOG)/dv/common/riscduino_board/custom_board/riscduino
+## YIFIVE FIRMWARE
+YIFIVE_FIRMWARE_PATH = $(USER_PROJECT_VERILOG)/dv/firmware
+GCC64_PREFIX?=riscv64-unknown-elf
+GCC32_PREFIX?=riscv32-unknown-elf
+
+
+## Simulation mode: RTL/GL
+SIM?=RTL
+DUMP?=OFF
+RISC_CORE?=0
+
+### To Enable IVERILOG FST DUMP
+export IVERILOG_DUMPER = fst
+
+
+.SUFFIXES:
+
+PATTERN = arduino_multi_serial
+
+all: ${PATTERN:=.vcd}
+
+
+vvp: ${PATTERN:=.vvp}
+
+%.vvp: %_tb.v
+ ${GCC32_PREFIX}-g++ -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -fpermissive -Wall -fno-rtti -fno-exceptions -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${PATTERN}.ino.cpp -o ${PATTERN}.ino.cpp.o
+ ${GCC32_PREFIX}-g++ -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -fpermissive -Wall -fno-rtti -fno-exceptions -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/Print.cpp -o Print.cpp.o
+ ${GCC32_PREFIX}-g++ -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -fpermissive -Wall -fno-rtti -fno-exceptions -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/WMath.cpp -o WMath.cpp.o
+ ${GCC32_PREFIX}-g++ -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -fpermissive -Wall -fno-rtti -fno-exceptions -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/WString.cpp -o WString.cpp.o
+ ${GCC32_PREFIX}-gcc -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -Wall -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/WInterrupts.c -o WInterrupts.c.o
+ ${GCC32_PREFIX}-gcc -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -Wall -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/drivers/fe300prci/fe300prci_driver.c -o fe300prci_driver.c.o
+ ${GCC32_PREFIX}-g++ -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -fpermissive -Wall -fno-rtti -fno-exceptions -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/abi.cpp -o abi.cpp.o
+ ${GCC32_PREFIX}-gcc -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -Wall -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/drivers/plic/plic_driver.c -o plic_driver.c.o
+ ${GCC32_PREFIX}-g++ -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -fpermissive -Wall -fno-rtti -fno-exceptions -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/UARTClass.cpp -o UARTClass.cpp.o
+ ${GCC32_PREFIX}-gcc -c -march=rv32imac -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/entry.S -o entry.S.o
+ ${GCC32_PREFIX}-gcc -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -Wall -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/hooks.c -o hooks.c.o
+ ${GCC32_PREFIX}-gcc -c -march=rv32imac -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/init.S -o init.S.o
+ ${GCC32_PREFIX}-gcc -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -Wall -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/itoa.c -o itoa.c.o
+ ${GCC32_PREFIX}-g++ -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -fpermissive -Wall -fno-rtti -fno-exceptions -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/main.cpp -o main.cpp.o
+ ${GCC32_PREFIX}-gcc -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -Wall -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/malloc.c -o malloc.c.o
+ ${GCC32_PREFIX}-g++ -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -fpermissive -Wall -fno-rtti -fno-exceptions -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/new.cpp -o new.cpp.o
+ ${GCC32_PREFIX}-gcc -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -Wall -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/sbrk.c -o sbrk.c.o
+ ${GCC32_PREFIX}-gcc -c -march=rv32imac -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/start.S -o start.S.o
+ ${GCC32_PREFIX}-gcc -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -Wall -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/wiring.c -o wiring.c.o
+ ${GCC32_PREFIX}-gcc -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -Wall -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/wiring_analog.c -o wiring_analog.c.o
+ ${GCC32_PREFIX}-gcc -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -Wall -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/wiring_digital.c -o wiring_digital.c.o
+ ${GCC32_PREFIX}-g++ -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -fpermissive -Wall -fno-rtti -fno-exceptions -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/wiring_pulse.cpp -o wiring_pulse.cpp.o
+ ${GCC32_PREFIX}-gcc -c -O2 -march=rv32imac -fpeel-loops -ffreestanding -ffunction-sections -fdata-sections -Wall -I${RISCDUINO_BOARD}/system/include -I${RISCDUINO_BOARD}/sdk/bsp/include -I${RISCDUINO_BOARD}/sdk/bsp/env -I${RISCDUINO_BOARD}/sdk/bsp/drivers -I${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score -include sys/cdefs.h -g -DARDUINO=10607 -DF_CPU=50000000LL -DRISCDUINO_SCORE_DEVKIT -I${RISCDUINO_BOARD}/cores/arduino -I${RISCDUINO_BOARD}/variants/standard ${RISCDUINO_BOARD}/cores/arduino/wiring_shift.c -o wiring_shift.c.o
+ ${GCC32_PREFIX}-ar rcs core.a Print.cpp.o
+ ${GCC32_PREFIX}-ar rcs core.a UARTClass.cpp.o
+ ${GCC32_PREFIX}-ar rcs core.a WInterrupts.c.o
+ ${GCC32_PREFIX}-ar rcs core.a WMath.cpp.o
+ ${GCC32_PREFIX}-ar rcs core.a WString.cpp.o
+ ${GCC32_PREFIX}-ar rcs core.a abi.cpp.o
+ ${GCC32_PREFIX}-ar rcs core.a fe300prci_driver.c.o
+ ${GCC32_PREFIX}-ar rcs core.a plic_driver.c.o
+ ${GCC32_PREFIX}-ar rcs core.a entry.S.o
+ ${GCC32_PREFIX}-ar rcs core.a hooks.c.o
+ ${GCC32_PREFIX}-ar rcs core.a init.S.o
+ ${GCC32_PREFIX}-ar rcs core.a itoa.c.o
+ ${GCC32_PREFIX}-ar rcs core.a main.cpp.o
+ ${GCC32_PREFIX}-ar rcs core.a malloc.c.o
+ ${GCC32_PREFIX}-ar rcs core.a new.cpp.o
+ ${GCC32_PREFIX}-ar rcs core.a sbrk.c.o
+ ${GCC32_PREFIX}-ar rcs core.a start.S.o
+ ${GCC32_PREFIX}-ar rcs core.a wiring.c.o
+ ${GCC32_PREFIX}-ar rcs core.a wiring_analog.c.o
+ ${GCC32_PREFIX}-ar rcs core.a wiring_digital.c.o
+ ${GCC32_PREFIX}-ar rcs core.a wiring_pulse.cpp.o
+ ${GCC32_PREFIX}-ar rcs core.a wiring_shift.c.o
+ ${GCC32_PREFIX}-g++ -T ${RISCDUINO_BOARD}/sdk/bsp/env/riscduino_score/link.lds -nostartfiles -Wl,-N -Wl,--gc-sections -Wl,--wrap=malloc -Wl,--wrap=free -Wl,--wrap=sbrk ${PATTERN}.ino.cpp.o -nostdlib -Wl,--start-group core.a -lm -lstdc++ -lc -lgloss -Wl,--end-group -lgcc -o ${PATTERN}.ino.elf
+ ${GCC32_PREFIX}-objcopy -R .rel.dyn -O binary ${PATTERN}.ino.elf ${PATTERN}.ino.bin
+ ${GCC32_PREFIX}-objcopy -R .rel.dyn -O verilog ${PATTERN}.ino.elf ${PATTERN}.ino.hex
+ ${GCC32_PREFIX}-objdump -D ${PATTERN}.ino.elf > ${PATTERN}.ino.dump
+ rm *.o *.a
+ifeq ($(SIM),RTL)
+ ifeq ($(DUMP),OFF)
+ iverilog -g2012 -DFUNCTIONAL -DSIM -I $(PDK_PATH) \
+ -f$(USER_PROJECT_VERILOG)/includes/includes.rtl.$(CONFIG) \
+ -f$(USER_PROJECT_VERILOG)/includes/includes.rtl.lib \
+ $< -o $@
+ else
+ iverilog -g2012 -DWFDUMP -DFUNCTIONAL -DSIM -I $(PDK_PATH) \
+ -f$(USER_PROJECT_VERILOG)/includes/includes.rtl.$(CONFIG) \
+ -f$(USER_PROJECT_VERILOG)/includes/includes.rtl.lib \
+ $< -o $@
+ endif
+else
+ ifeq ($(DUMP),OFF)
+ iverilog -g2012 -DFUNCTIONAL -DUSE_POWER_PINS -DGL -I $(PDK_PATH) \
+ -f$(USER_PROJECT_VERILOG)/includes/includes.gl.$(CONFIG) \
+ -f$(USER_PROJECT_VERILOG)/includes/includes.gl.lib \
+ $< -o $@
+ else
+ iverilog -g2012 -DWFDUMP -DFUNCTIONAL -DUSE_POWER_PINS -DGL -I $(PDK_PATH) \
+ -f$(USER_PROJECT_VERILOG)/includes/includes.gl.$(CONFIG) \
+ -f$(USER_PROJECT_VERILOG)/includes/includes.gl.lib \
+ $< -o $@
+ endif
+endif
+
+%.vcd: %.vvp
+ vvp $< +risc_core_id=$(RISC_CORE)
+
+
+# ---- Clean ----
+
+clean:
+ rm -f *.elf *.hex *.bin *.vvp *.vcd *.log *.dump *.a *.o
+
+.PHONY: clean hex all
diff --git a/verilog/dv/arduino_multi_serial/arduino_multi_serial.ino b/verilog/dv/arduino_multi_serial/arduino_multi_serial.ino
new file mode 100644
index 0000000..20fc441
--- /dev/null
+++ b/verilog/dv/arduino_multi_serial/arduino_multi_serial.ino
@@ -0,0 +1,43 @@
+/*
+ Multiple Serial test
+
+ Receives from the main serial port, sends to the others.
+ Receives from serial port 1, sends to the main serial (Serial 0).
+
+ This example works only with boards with more than one serial like Arduino Mega, Due, Zero etc.
+
+ The circuit:
+ - any serial device attached to Serial port 1
+ - Serial Monitor open on Serial port 0
+
+ created 30 Dec 2008
+ modified 20 May 2012
+ by Tom Igoe & Jed Roach
+ modified 27 Nov 2015
+ by Arturo Guadalupi
+
+ This example code is in the public domain.
+
+ https://www.arduino.cc/en/Tutorial/BuiltInExamples/MultiSerialMega
+*/
+
+
+void setup() {
+ // initialize both serial ports:
+ Serial.begin(9600);
+ Serial1.begin(9600);
+}
+
+void loop() {
+ // read from port 1, send to port 0:
+ if (Serial1.available()) {
+ int inByte = Serial1.read();
+ Serial.write(inByte);
+ }
+
+ // read from port 0, send to port 1:
+ if (Serial.available()) {
+ int inByte = Serial.read();
+ Serial1.write(inByte);
+ }
+}
diff --git a/verilog/dv/arduino_multi_serial/arduino_multi_serial.ino.cpp b/verilog/dv/arduino_multi_serial/arduino_multi_serial.ino.cpp
new file mode 100644
index 0000000..c857650
--- /dev/null
+++ b/verilog/dv/arduino_multi_serial/arduino_multi_serial.ino.cpp
@@ -0,0 +1,51 @@
+#include <Arduino.h>
+#line 1 "/tmp/.arduinoIDE-unsaved202266-51666-8e7jjt.yj22m/MultiSerial/MultiSerial.ino"
+/*
+ Multiple Serial test
+
+ Receives from the main serial port, sends to the others.
+ Receives from serial port 1, sends to the main serial (Serial 0).
+
+ This example works only with boards with more than one serial like Arduino Mega, Due, Zero etc.
+
+ The circuit:
+ - any serial device attached to Serial port 1
+ - Serial Monitor open on Serial port 0
+
+ created 30 Dec 2008
+ modified 20 May 2012
+ by Tom Igoe & Jed Roach
+ modified 27 Nov 2015
+ by Arturo Guadalupi
+
+ This example code is in the public domain.
+
+ https://www.arduino.cc/en/Tutorial/BuiltInExamples/MultiSerialMega
+*/
+
+
+#line 25 "/tmp/.arduinoIDE-unsaved202266-51666-8e7jjt.yj22m/MultiSerial/MultiSerial.ino"
+void setup();
+#line 31 "/tmp/.arduinoIDE-unsaved202266-51666-8e7jjt.yj22m/MultiSerial/MultiSerial.ino"
+void loop();
+#line 25 "/tmp/.arduinoIDE-unsaved202266-51666-8e7jjt.yj22m/MultiSerial/MultiSerial.ino"
+void setup() {
+ // initialize both serial ports:
+ Serial.begin(288000);
+ Serial1.begin(288000);
+}
+
+void loop() {
+ // read from port 1, send to port 0:
+ if (Serial1.available()) {
+ int inByte = Serial1.read();
+ Serial.write(inByte);
+ }
+
+ // read from port 0, send to port 1:
+ if (Serial.available()) {
+ int inByte = Serial.read();
+ Serial1.write(inByte);
+ }
+}
+
diff --git a/verilog/dv/arduino_multi_serial/arduino_multi_serial_tb.v b/verilog/dv/arduino_multi_serial/arduino_multi_serial_tb.v
new file mode 100644
index 0000000..f0cf862
--- /dev/null
+++ b/verilog/dv/arduino_multi_serial/arduino_multi_serial_tb.v
@@ -0,0 +1,564 @@
+////////////////////////////////////////////////////////////////////////////
+// SPDX-FileCopyrightText: 2021 , Dinesh Annayya
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileContributor: Modified by Dinesh Annayya <dinesha@opencores.org>
+//////////////////////////////////////////////////////////////////////
+//// ////
+//// Standalone User validation Test bench ////
+//// ////
+//// This file is part of the YIFive cores project ////
+//// https://github.com/dineshannayya/yifive_r0.git ////
+//// http://www.opencores.org/cores/yifive/ ////
+//// ////
+//// Description ////
+//// This is a standalone test bench to validate the ////
+//// Digital core. ////
+//// 1. User Risc core is booted using compiled code of ////
+//// user_risc_boot.c ////
+//// 2. User Risc core uses Serial Flash and SDRAM to boot ////
+//// 3. After successful boot, Risc core will write signature ////
+//// in to user register from 0x1003_0058 to 0x1003_006C ////
+//// 4. Through the External Wishbone Interface we read back ////
+//// from 0x3003_0058 to 0x3003_006C ////
+//// and validate the user register to declared pass fail ////
+//// ////
+//// To Do: ////
+//// nothing ////
+//// ////
+//// Author(s): ////
+//// - Dinesh Annayya, dinesha@opencores.org ////
+//// ////
+//// Revision : ////
+//// 0.1 - 16th Feb 2021, Dinesh A ////
+//// ////
+//////////////////////////////////////////////////////////////////////
+//// ////
+//// Copyright (C) 2000 Authors and OPENCORES.ORG ////
+//// ////
+//// This source file may be used and distributed without ////
+//// restriction provided that this copyright statement is not ////
+//// removed from the file and that any derivative work contains ////
+//// the original copyright notice and the associated disclaimer. ////
+//// ////
+//// This source file is free software; you can redistribute it ////
+//// and/or modify it under the terms of the GNU Lesser General ////
+//// Public License as published by the Free Software Foundation; ////
+//// either version 2.1 of the License, or (at your option) any ////
+//// later version. ////
+//// ////
+//// This source is distributed in the hope that it will be ////
+//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
+//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
+//// PURPOSE. See the GNU Lesser General Public License for more ////
+//// details. ////
+//// ////
+//// You should have received a copy of the GNU Lesser General ////
+//// Public License along with this source; if not, download it ////
+//// from http://www.opencores.org/lgpl.shtml ////
+//// ////
+//////////////////////////////////////////////////////////////////////
+
+`default_nettype wire
+
+`timescale 1 ns / 1 ns
+
+`include "sram_macros/sky130_sram_2kbyte_1rw1r_32x512_8.v"
+`include "uart_agent.v"
+
+module arduino_multi_serial_tb;
+ reg clock;
+ reg wb_rst_i;
+ reg power1, power2;
+ reg power3, power4;
+
+ reg wbd_ext_cyc_i; // strobe/request
+ reg wbd_ext_stb_i; // strobe/request
+ reg [31:0] wbd_ext_adr_i; // address
+ reg wbd_ext_we_i; // write
+ reg [31:0] wbd_ext_dat_i; // data output
+ reg [3:0] wbd_ext_sel_i; // byte enable
+
+ wire [31:0] wbd_ext_dat_o; // data input
+ wire wbd_ext_ack_o; // acknowlegement
+ wire wbd_ext_err_o; // error
+
+ // User I/O
+ wire [37:0] io_oeb;
+ wire [37:0] io_out;
+ wire [37:0] io_in;
+
+ wire gpio;
+ wire [37:0] mprj_io;
+ wire [7:0] mprj_io_0;
+ reg test_fail;
+ reg [31:0] read_data;
+ //----------------------------------
+ // Uart Configuration
+ // ---------------------------------
+ reg [1:0] uart_data_bit ;
+ reg uart_stop_bits ; // 0: 1 stop bit; 1: 2 stop bit;
+ reg uart_stick_parity ; // 1: force even parity
+ reg uart_parity_en ; // parity enable
+ reg uart_even_odd_parity ; // 0: odd parity; 1: even parity
+
+ reg [7:0] uart_data ;
+ reg [15:0] uart_divisor ; // divided by n * 16
+ reg [15:0] uart_timeout ;// wait time limit
+
+ reg [15:0] uart_rx_nu ;
+ reg [15:0] uart_tx_nu ;
+ reg [7:0] uart0_write_data [0:39];
+ reg [7:0] uart1_write_data [0:39];
+ reg uart_fifo_enable ; // fifo mode disable
+ reg flag ;
+
+ reg [31:0] check_sum ;
+
+ integer d_risc_id;
+
+ integer i,j,k,l;
+
+
+
+
+ // 50Mhz CLock
+ always #10 clock <= (clock === 1'b0);
+
+ initial begin
+ clock = 0;
+ flag = 0;
+ wbd_ext_cyc_i ='h0; // strobe/request
+ wbd_ext_stb_i ='h0; // strobe/request
+ wbd_ext_adr_i ='h0; // address
+ wbd_ext_we_i ='h0; // write
+ wbd_ext_dat_i ='h0; // data output
+ wbd_ext_sel_i ='h0; // byte enable
+ end
+
+ `ifdef WFDUMP
+ initial begin
+ $dumpfile("simx.vcd");
+ $dumpvars(3, arduino_multi_serial_tb);
+ //$dumpvars(0, arduino_multi_serial_tb.u_top.u_riscv_top.i_core_top_0);
+ //$dumpvars(0, arduino_multi_serial_tb.u_top.u_riscv_top.u_connect);
+ //$dumpvars(0, arduino_multi_serial_tb.u_top.u_riscv_top.u_intf);
+ $dumpvars(0, arduino_multi_serial_tb.u_top.u_uart_i2c_usb_spi.u_uart0_core);
+ $dumpvars(0, arduino_multi_serial_tb.u_top.u_uart_i2c_usb_spi.u_uart1_core);
+ end
+ `endif
+
+ /*************************************************************************
+ * This is Baud Rate to clock divider conversion for Test Bench
+ * Note: DUT uses 16x baud clock, where are test bench uses directly
+ * baud clock, Due to 16x Baud clock requirement at RTL, there will be
+ * some resolution loss, we expect at lower baud rate this resolution
+ * loss will be less. For Quick simulation perpose higher baud rate used
+ * *************************************************************************/
+ task tb_set_uart_baud;
+ input [31:0] ref_clk;
+ input [31:0] baud_rate;
+ output [31:0] baud_div;
+ reg [31:0] baud_div;
+ begin
+ // for 230400 Baud = (50Mhz/230400) = 216.7
+ baud_div = ref_clk/baud_rate; // Get the Bit Baud rate
+ // Baud 16x = 216/16 = 13
+ baud_div = baud_div/16; // To find the RTL baud 16x div value to find similar resolution loss in test bench
+ // Test bench baud clock , 16x of above value
+ // 13 * 16 = 208,
+ // (Note if you see original value was 216, now it's 208 )
+ baud_div = baud_div * 16;
+ // Test bench half cycle counter to toggle it
+ // 208/2 = 104
+ baud_div = baud_div/2;
+ //As counter run's from 0 , substract from 1
+ baud_div = baud_div-1;
+ end
+ endtask
+
+
+ initial begin
+ uart_data_bit = 2'b11;
+ uart_stop_bits = 0; // 0: 1 stop bit; 1: 2 stop bit;
+ uart_stick_parity = 0; // 1: force even parity
+ uart_parity_en = 0; // parity enable
+ uart_even_odd_parity = 1; // 0: odd parity; 1: even parity
+ tb_set_uart_baud(50000000,288000,uart_divisor);// 50Mhz Ref clock, Baud Rate: 230400
+ uart_timeout = 2000;// wait time limit
+ uart_fifo_enable = 0; // fifo mode disable
+
+ $value$plusargs("risc_core_id=%d", d_risc_id);
+
+ #200; // Wait for reset removal
+ repeat (10) @(posedge clock);
+ $display("Monitor: Standalone User Risc Boot Test Started");
+
+ // Remove Wb Reset
+ wb_user_core_write(`ADDR_SPACE_WBHOST+`WBHOST_GLBL_CFG,'h1);
+
+ repeat (2) @(posedge clock);
+ #1;
+ // Remove all the reset
+ if(d_risc_id == 0) begin
+ $display("STATUS: Working with Risc core 0");
+ wb_user_core_write(`ADDR_SPACE_PINMUX+`PINMUX_GBL_CFG0,'h11F);
+ end else if(d_risc_id == 1) begin
+ $display("STATUS: Working with Risc core 1");
+ wb_user_core_write(`ADDR_SPACE_PINMUX+`PINMUX_GBL_CFG0,'h21F);
+ end else if(d_risc_id == 2) begin
+ $display("STATUS: Working with Risc core 2");
+ wb_user_core_write(`ADDR_SPACE_PINMUX+`PINMUX_GBL_CFG0,'h41F);
+ end else if(d_risc_id == 3) begin
+ $display("STATUS: Working with Risc core 3");
+ wb_user_core_write(`ADDR_SPACE_PINMUX+`PINMUX_GBL_CFG0,'h81F);
+ end
+
+ repeat (100) @(posedge clock); // wait for Processor Get Ready
+
+ tb_uart0.debug_mode = 1; // enable debug display
+ tb_uart0.uart_init;
+ tb_uart0.control_setup (uart_data_bit, uart_stop_bits, uart_parity_en, uart_even_odd_parity,
+ uart_stick_parity, uart_timeout, uart_divisor);
+
+ tb_uart1.debug_mode = 1; // enable debug display
+ tb_uart1.uart_init;
+ tb_uart1.control_setup (uart_data_bit, uart_stop_bits, uart_parity_en, uart_even_odd_parity,
+ uart_stick_parity, uart_timeout, uart_divisor);
+
+ repeat (60000) @(posedge clock); // wait for Processor Get Ready
+ flag = 0;
+ check_sum = 0;
+
+ for (i=0; i<40; i=i+1)
+ uart0_write_data[i] = $random;
+
+ for (i=0; i<40; i=i+1)
+ uart1_write_data[i] = $random;
+
+ fork
+ //Drive UART-0
+ begin
+ for (i=0; i<40; i=i+1)
+ begin
+ $display ("\n... UART-0 Agent Writing char %x ...", uart0_write_data[i]);
+ tb_uart0.write_char (uart0_write_data[i]);
+ end
+ end
+
+ //Drive UART-1
+ begin
+ for (j=0; j<40; j=j+1)
+ begin
+ $display ("\n... UART-1 Agent Writing char %x ...", uart1_write_data[j]);
+ tb_uart1.write_char (uart1_write_data[j]);
+ end
+ end
+
+ //Receive UART-0
+ begin
+ for (k=0; k<40; k=k+1)
+ begin
+ tb_uart0.read_char_chk(uart1_write_data[k]);
+ end
+ end
+
+ //Receive UART-1
+ begin
+ for (l=0; l<40; l=l+1)
+ begin
+ tb_uart1.read_char_chk(uart0_write_data[l]);
+ end
+ end
+ join
+
+ test_fail = 0;
+ #100
+ tb_uart0.report_status(uart_rx_nu, uart_tx_nu);
+ if(uart_tx_nu != 40) test_fail = 1;
+ if(uart_rx_nu != 40) test_fail = 1;
+
+ tb_uart1.report_status(uart_rx_nu, uart_tx_nu);
+ if(uart_tx_nu != 40) test_fail = 1;
+ if(uart_rx_nu != 40) test_fail = 1;
+
+
+ $display("###################################################");
+ if(test_fail == 0) begin
+ `ifdef GL
+ $display("Monitor: Standalone Multi Serial (GL) Passed");
+ `else
+ $display("Monitor: Standalone Multi Serial (RTL) Passed");
+ `endif
+ end else begin
+ `ifdef GL
+ $display("Monitor: Standalone Multi Serial (GL) Failed");
+ `else
+ $display("Monitor: Standalone Multi Serial (RTL) Failed");
+ `endif
+ end
+ $display("###################################################");
+ $finish;
+ end
+
+ initial begin
+ wb_rst_i <= 1'b1;
+ #100;
+ wb_rst_i <= 1'b0; // Release reset
+ end
+wire USER_VDD1V8 = 1'b1;
+wire VSS = 1'b0;
+
+user_project_wrapper u_top(
+`ifdef USE_POWER_PINS
+ .vccd1(USER_VDD1V8), // User area 1 1.8V supply
+ .vssd1(VSS), // User area 1 digital ground
+`endif
+ .wb_clk_i (clock), // System clock
+ .user_clock2 (1'b1), // Real-time clock
+ .wb_rst_i (wb_rst_i), // Regular Reset signal
+
+ .wbs_cyc_i (wbd_ext_cyc_i), // strobe/request
+ .wbs_stb_i (wbd_ext_stb_i), // strobe/request
+ .wbs_adr_i (wbd_ext_adr_i), // address
+ .wbs_we_i (wbd_ext_we_i), // write
+ .wbs_dat_i (wbd_ext_dat_i), // data output
+ .wbs_sel_i (wbd_ext_sel_i), // byte enable
+
+ .wbs_dat_o (wbd_ext_dat_o), // data input
+ .wbs_ack_o (wbd_ext_ack_o), // acknowlegement
+
+
+ // Logic Analyzer Signals
+ .la_data_in ('1) ,
+ .la_data_out (),
+ .la_oenb ('0),
+
+
+ // IOs
+ .io_in (io_in) ,
+ .io_out (io_out) ,
+ .io_oeb (io_oeb) ,
+
+ .user_irq ()
+
+);
+
+`ifndef GL // Drive Power for Hold Fix Buf
+ // All standard cell need power hook-up for functionality work
+ initial begin
+
+ end
+`endif
+
+//------------------------------------------------------
+// Integrate the Serial flash with qurd support to
+// user core using the gpio pads
+// ----------------------------------------------------
+
+ wire flash_clk = io_out[24];
+ wire flash_csb = io_out[25];
+ // Creating Pad Delay
+ wire #1 io_oeb_29 = io_oeb[29];
+ wire #1 io_oeb_30 = io_oeb[30];
+ wire #1 io_oeb_31 = io_oeb[31];
+ wire #1 io_oeb_32 = io_oeb[32];
+ tri #1 flash_io0 = (io_oeb_29== 1'b0) ? io_out[29] : 1'bz;
+ tri #1 flash_io1 = (io_oeb_30== 1'b0) ? io_out[30] : 1'bz;
+ tri #1 flash_io2 = (io_oeb_31== 1'b0) ? io_out[31] : 1'bz;
+ tri #1 flash_io3 = (io_oeb_32== 1'b0) ? io_out[32] : 1'bz;
+
+ assign io_in[29] = flash_io0;
+ assign io_in[30] = flash_io1;
+ assign io_in[31] = flash_io2;
+ assign io_in[32] = flash_io3;
+
+ // Quard flash
+ s25fl256s #(.mem_file_name("arduino_multi_serial.ino.hex"),
+ .otp_file_name("none"),
+ .TimingModel("S25FL512SAGMFI010_F_30pF"))
+ u_spi_flash_256mb (
+ // Data Inputs/Outputs
+ .SI (flash_io0),
+ .SO (flash_io1),
+ // Controls
+ .SCK (flash_clk),
+ .CSNeg (flash_csb),
+ .WPNeg (flash_io2),
+ .HOLDNeg (flash_io3),
+ .RSTNeg (!wb_rst_i)
+
+ );
+
+
+//---------------------------
+// UART-0 Agent integration
+// --------------------------
+wire uart0_txd,uart0_rxd;
+
+assign uart0_txd = io_out[2];
+assign io_in[1] = uart0_rxd ;
+
+uart_agent tb_uart0(
+ .mclk (clock ),
+ .txd (uart0_rxd ),
+ .rxd (uart0_txd )
+ );
+
+//---------------------------
+// UART Agent integration
+// --------------------------
+wire uart1_txd,uart1_rxd;
+
+assign uart1_txd = io_out[5];
+assign io_in[3] = uart1_rxd ;
+
+uart_agent tb_uart1(
+ .mclk (clock ),
+ .txd (uart1_rxd ),
+ .rxd (uart1_txd )
+ );
+
+task wb_user_core_write;
+input [31:0] address;
+input [31:0] data;
+begin
+ repeat (1) @(posedge clock);
+ #1;
+ wbd_ext_adr_i =address; // address
+ wbd_ext_we_i ='h1; // write
+ wbd_ext_dat_i =data; // data output
+ wbd_ext_sel_i ='hF; // byte enable
+ wbd_ext_cyc_i ='h1; // strobe/request
+ wbd_ext_stb_i ='h1; // strobe/request
+ wait(wbd_ext_ack_o == 1);
+ repeat (1) @(posedge clock);
+ #1;
+ wbd_ext_cyc_i ='h0; // strobe/request
+ wbd_ext_stb_i ='h0; // strobe/request
+ wbd_ext_adr_i ='h0; // address
+ wbd_ext_we_i ='h0; // write
+ wbd_ext_dat_i ='h0; // data output
+ wbd_ext_sel_i ='h0; // byte enable
+ $display("DEBUG WB USER ACCESS WRITE Address : %x, Data : %x",address,data);
+ repeat (2) @(posedge clock);
+end
+endtask
+
+task wb_user_core_read;
+input [31:0] address;
+output [31:0] data;
+reg [31:0] data;
+begin
+ repeat (1) @(posedge clock);
+ #1;
+ wbd_ext_adr_i =address; // address
+ wbd_ext_we_i ='h0; // write
+ wbd_ext_dat_i ='0; // data output
+ wbd_ext_sel_i ='hF; // byte enable
+ wbd_ext_cyc_i ='h1; // strobe/request
+ wbd_ext_stb_i ='h1; // strobe/request
+ wait(wbd_ext_ack_o == 1);
+ repeat (1) @(negedge clock);
+ data = wbd_ext_dat_o;
+ repeat (1) @(posedge clock);
+ #1;
+ wbd_ext_cyc_i ='h0; // strobe/request
+ wbd_ext_stb_i ='h0; // strobe/request
+ wbd_ext_adr_i ='h0; // address
+ wbd_ext_we_i ='h0; // write
+ wbd_ext_dat_i ='h0; // data output
+ wbd_ext_sel_i ='h0; // byte enable
+ $display("DEBUG WB USER ACCESS READ Address : %x, Data : %x",address,data);
+ repeat (2) @(posedge clock);
+end
+endtask
+
+task wb_user_core_read_check;
+input [31:0] address;
+output [31:0] data;
+input [31:0] cmp_data;
+reg [31:0] data;
+begin
+ repeat (1) @(posedge clock);
+ #1;
+ wbd_ext_adr_i =address; // address
+ wbd_ext_we_i ='h0; // write
+ wbd_ext_dat_i ='0; // data output
+ wbd_ext_sel_i ='hF; // byte enable
+ wbd_ext_cyc_i ='h1; // strobe/request
+ wbd_ext_stb_i ='h1; // strobe/request
+ wait(wbd_ext_ack_o == 1);
+ repeat (1) @(negedge clock);
+ data = wbd_ext_dat_o;
+ repeat (1) @(posedge clock);
+ #1;
+ wbd_ext_cyc_i ='h0; // strobe/request
+ wbd_ext_stb_i ='h0; // strobe/request
+ wbd_ext_adr_i ='h0; // address
+ wbd_ext_we_i ='h0; // write
+ wbd_ext_dat_i ='h0; // data output
+ wbd_ext_sel_i ='h0; // byte enable
+ if(data !== cmp_data) begin
+ $display("ERROR : WB USER ACCESS READ Address : 0x%x, Exd: 0x%x Rxd: 0x%x ",address,cmp_data,data);
+ test_fail = 1;
+ end else begin
+ $display("STATUS: WB USER ACCESS READ Address : 0x%x, Data : 0x%x",address,data);
+ end
+ repeat (2) @(posedge clock);
+end
+endtask
+
+`ifdef GL
+
+wire wbd_spi_stb_i = u_top.u_qspi_master.wbd_stb_i;
+wire wbd_spi_ack_o = u_top.u_qspi_master.wbd_ack_o;
+wire wbd_spi_we_i = u_top.u_qspi_master.wbd_we_i;
+wire [31:0] wbd_spi_adr_i = u_top.u_qspi_master.wbd_adr_i;
+wire [31:0] wbd_spi_dat_i = u_top.u_qspi_master.wbd_dat_i;
+wire [31:0] wbd_spi_dat_o = u_top.u_qspi_master.wbd_dat_o;
+wire [3:0] wbd_spi_sel_i = u_top.u_qspi_master.wbd_sel_i;
+
+wire wbd_uart_stb_i = u_top.u_uart_i2c_usb_spi.reg_cs;
+wire wbd_uart_ack_o = u_top.u_uart_i2c_usb_spi.reg_ack;
+wire wbd_uart_we_i = u_top.u_uart_i2c_usb_spi.reg_wr;
+wire [8:0] wbd_uart_adr_i = u_top.u_uart_i2c_usb_spi.reg_addr;
+wire [7:0] wbd_uart_dat_i = u_top.u_uart_i2c_usb_spi.reg_wdata;
+wire [7:0] wbd_uart_dat_o = u_top.u_uart_i2c_usb_spi.reg_rdata;
+wire wbd_uart_sel_i = u_top.u_uart_i2c_usb_spi.reg_be;
+
+`endif
+
+/**
+`ifdef GL
+//-----------------------------------------------------------------------------
+// RISC IMEM amd DMEM Monitoring TASK
+//-----------------------------------------------------------------------------
+
+`define RISC_CORE user_uart_tb.u_top.u_core.u_riscv_top
+
+always@(posedge `RISC_CORE.wb_clk) begin
+ if(`RISC_CORE.wbd_imem_ack_i)
+ $display("RISCV-DEBUG => IMEM ADDRESS: %x Read Data : %x", `RISC_CORE.wbd_imem_adr_o,`RISC_CORE.wbd_imem_dat_i);
+ if(`RISC_CORE.wbd_dmem_ack_i && `RISC_CORE.wbd_dmem_we_o)
+ $display("RISCV-DEBUG => DMEM ADDRESS: %x Write Data: %x Resonse: %x", `RISC_CORE.wbd_dmem_adr_o,`RISC_CORE.wbd_dmem_dat_o);
+ if(`RISC_CORE.wbd_dmem_ack_i && !`RISC_CORE.wbd_dmem_we_o)
+ $display("RISCV-DEBUG => DMEM ADDRESS: %x READ Data : %x Resonse: %x", `RISC_CORE.wbd_dmem_adr_o,`RISC_CORE.wbd_dmem_dat_i);
+end
+
+`endif
+**/
+endmodule
+`include "s25fl256s.sv"
+`default_nettype wire
diff --git a/verilog/dv/common/riscduino_board b/verilog/dv/common/riscduino_board
index a176fee..5888540 160000
--- a/verilog/dv/common/riscduino_board
+++ b/verilog/dv/common/riscduino_board
@@ -1 +1 @@
-Subproject commit a176fee8e5ce2946d626eb50bc340401e4de303f
+Subproject commit 5888540bf2ae57d8c0326778a6d0c25b6ef95d35
