--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-or-later
+#****************************************************************************
+# File : Makefile *
+# Contents : Code for NanoXplore USB-JTAG ANGIE adapter hardware. *
+# Based on openULINK project by: Martin Schmoelzer. *
+# Copyright 2023, Ahmed Errached BOUDJELIDA, NanoXplore SAS. *
+# <aboudjelida@nanoxplore.com> *
+# <ahmederrachedbjld@gmail.com> *
+# ***************************************************************************/
+
+# Define the name of tools.
+PREFIX =
+
+# Small Device C Compiler: http://sdcc.sourceforge.net/
+CC = $(PREFIX)sdcc
+
+# 8051 assembler, part of the SDCC software package.
+AS = $(PREFIX)sdas8051
+
+# SDCC produces quite messy Intel HEX files. This tool is be used to re-format
+# those files. It is not required for the firmware download functionality in
+# the OpenOCD driver, but the resulting file is smaller.
+PACKIHX = $(PREFIX)packihx
+
+# GNU binutils size. Used to print the size of the IHX file generated by SDCC.
+SIZE = size
+
+# Source and header directories.
+SRC_DIR = src
+INCLUDE_DIR = include
+
+CODE_SIZE = 0x3C00
+XRAM_LOC = 0x3C00
+XRAM_SIZE = 0x0400
+
+CFLAGS = --std-sdcc99 --opt-code-size --model-small
+LDFLAGS = --code-loc 0x0000 --code-size $(CODE_SIZE) --xram-loc $(XRAM_LOC) \
+ --xram-size $(XRAM_SIZE) --iram-size 256 --model-small
+
+# list of base object files
+OBJECTS = main.rel usb.rel protocol.rel jtag.rel delay.rel USBJmpTb.rel serial.rel gpif.rel
+HEADERS = $(INCLUDE_DIR)/usb.h \
+ $(INCLUDE_DIR)/protocol.h \
+ $(INCLUDE_DIR)/jtag.h \
+ $(INCLUDE_DIR)/delay.h \
+ $(INCLUDE_DIR)/reg_ezusb.h \
+ $(INCLUDE_DIR)/io.h \
+ $(INCLUDE_DIR)/serial.h \
+ $(INCLUDE_DIR)/fx2macros.h \
+ $(INCLUDE_DIR)/msgtypes.h
+
+# Disable all built-in rules.
+.SUFFIXES:
+
+# Targets which are executed even when identically named file is present.
+.PHONY: all, clean
+
+all: angie_firmware.ihx
+ $(SIZE) angie_firmware.ihx
+
+angie_firmware.ihx: $(OBJECTS)
+ $(CC) -mmcs51 $(LDFLAGS) -o $@ $^
+
+# Rebuild every C module (there are only 5 of them) if any header changes.
+%.rel: $(SRC_DIR)/%.c $(HEADERS)
+ $(CC) -c $(CFLAGS) -mmcs51 -I$(INCLUDE_DIR) -o $@ $<
+
+%.rel: $(SRC_DIR)/%.a51
+ $(AS) -lsgo $@ $<
+
+clean:
+ rm -f *.asm *.lst *.rel *.rst *.sym *.ihx *.lk *.map *.mem
+
+bin: angie_firmware.ihx
+ makebin -p angie_firmware.ihx angie_firmware.bin