src/jtag/drivers/OpenULINK/Makefile

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 #
   4 # Copyright (C) 2011 by Martin Schmoelzer
   5 # <martin.schmoelzer@student.tuwien.ac.at>
   6 #
   7
   8 # Define the name of our tools. Some distributions (e. g. Fedora) prefix
   9 # the SDCC executables, change this accordingly!
  10 PREFIX =
  11
  12 # Small Device C Compiler: http://sdcc.sourceforge.net/
  13 CC = $(PREFIX)-sdcc
  14
  15 # 8051 assembler, part of the SDCC software package.
  16 AS = $(PREFIX)-sdas8051
  17
  18 # SDCC produces quite messy Intel HEX files. This tool is be used to re-format
  19 # those files. It is not required for the firmware download functionality in
  20 # the OpenOCD driver, but the resulting file is smaller.
  21 PACKIHX = $(PREFIX)-packihx
  22
  23 # GNU binutils size. Used to print the size of the IHX file generated by SDCC.
  24 SIZE = size
  25
  26 # Source and header directories.
  27 SRC_DIR     = src
  28 INCLUDE_DIR = include
  29
  30 CODE_SIZE = 0x1B00
  31
  32 # Starting address of __xdata variables. Since the OpenULINK firmware does not
  33 # use any of the isochronous interrupts, we can use the isochronous buffer space
  34 # as XDATA memory.
  35 XRAM_LOC  = 0x2000
  36 XRAM_SIZE = 0x0800
  37
  38 CFLAGS  = --std-sdcc99 --opt-code-size --model-small
  39 LDFLAGS = --code-loc 0x0000 --code-size $(CODE_SIZE) --xram-loc $(XRAM_LOC) \
  40           --xram-size $(XRAM_SIZE) --iram-size 256 --model-small
  41
  42 # list of base object files
  43 OBJECTS = main.rel usb.rel protocol.rel jtag.rel delay.rel USBJmpTb.rel
  44 HEADERS = $(INCLUDE_DIR)/main.h         \
  45           $(INCLUDE_DIR)/usb.h          \
  46           $(INCLUDE_DIR)/protocol.h     \
  47           $(INCLUDE_DIR)/jtag.h         \
  48           $(INCLUDE_DIR)/delay.h        \
  49           $(INCLUDE_DIR)/reg_ezusb.h    \
  50           $(INCLUDE_DIR)/io.h           \
  51           $(INCLUDE_DIR)/msgtypes.h
  52
  53 # Disable all built-in rules.
  54 .SUFFIXES:
  55
  56 # Targets which are executed even when identically named file is present.
  57 .PHONY: all, clean
  58
  59 all: ulink_firmware.ihx
  60         $(SIZE) ulink_firmware.ihx
  61
  62 ulink_firmware.ihx: $(OBJECTS)
  63         $(CC) -mmcs51 $(LDFLAGS) -o $@ $^
  64
  65 # Rebuild every C module (there are only 5 of them) if any header changes.
  66 %.rel: $(SRC_DIR)/%.c $(HEADERS)
  67         $(CC) -c $(CFLAGS) -mmcs51 -I$(INCLUDE_DIR) -o $@ $<
  68
  69 %.rel: $(SRC_DIR)/%.a51
  70         $(AS) -lsgo $@ $<
  71
  72 clean:
  73         rm -f *.asm *.lst *.rel *.rst *.sym *.ihx *.lk *.map *.mem
  74
  75 hex: ulink_firmware.ihx
  76         $(PACKIHX) ulink_firmware.ihx > ulink_firmware.hex