flash/bootloader/Makefile

   1 #             __________               __   ___.
   2 #   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   3 #   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   4 #   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   5 #   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   6 #                     \/            \/     \/    \/            \/
   7 # $Id$
   8 #
   9
  10 CC = sh-elf-gcc
  11 LD = sh-elf-ld
  12 AR = sh-elf-ar
  13 AS = sh-elf-as
  14 OC = sh-elf-objcopy
  15
  16 FIRMWARE := ../../firmware
  17 TOOLSDIR=../../tools
  18
  19 TARGET = bootloader
  20 LDS := $(TARGET).lds
  21
  22
  23 ifndef PLATFORM
  24 not_configured:
  25         @echo "No platform given."
  26         @echo "Use make PLATFORM=PLAYER|RECORDER|FM|ONDIO {NO_ROM=1}"
  27 ##else
  28 ##configured:
  29 ##      @echo "Building bootloader for platform "$(PLATFORM)
  30 endif
  31
  32
  33 INCLUDES= -I$(FIRMWARE)/export -I. -I$(OBJDIR)
  34 DEFINES= -DPLATFORM_$(PLATFORM)
  35
  36 OBJDIR := .
  37
  38 CFLAGS = -Os -W -Wall -m1 -nostdlib -ffreestanding -Wstrict-prototypes -fomit-frame-pointer -fschedule-insns $(INCLUDES) $(DEFINES)
  39 AFLAGS += -small -relax
  40
  41
  42 ifdef DEBUG
  43         DEFINES := -DDEBUG
  44         CFLAGS += -g
  45 endif
  46
  47 SRC := $(wildcard *.c)
  48
  49 OBJS := $(SRC:%.c=$(OBJDIR)/%.o) $(OBJDIR)/sh_nrv2e_d8.o
  50
  51 ifdef NO_ROM
  52 LINKFILE = $(OBJDIR)/no_rom.lds
  53 ORIGIN = 0
  54 DEFINES += -DNO_ROM
  55 else
  56 LINKFILE = $(OBJDIR)/$(TARGET).lds
  57 ORIGIN = FFFF500
  58 endif
  59
  60 $(OBJDIR)/$(TARGET).bin : $(OBJDIR)/$(TARGET).elf
  61         $(OC) -O binary $(OBJDIR)/$(TARGET).elf $(OBJDIR)/$(TARGET).bin
  62         $(TOOLSDIR)/sh2d $(OBJDIR)/$(TARGET).bin -o $(ORIGIN) > $(OBJDIR)/$(TARGET).asm
  63 ifndef NO_ROM
  64         $(TOOLSDIR)/scramble $(OBJDIR)/$(TARGET).bin $(OBJDIR)/$(TARGET).ajz
  65 endif
  66
  67 $(OBJDIR)/$(TARGET).elf : $(OBJS)
  68         $(CC) -Os -nostdlib -o $@ $(OBJS) -T$(LINKFILE) -Wl,-Map,$(OBJDIR)/$(TARGET).map
  69
  70 # cross-reference, saves code duplication
  71 $(OBJDIR)/sh_nrv2e_d8.o : ../../firmware/decompressor/sh_nrv2e_d8.S
  72         $(CC) $(CFLAGS) -c $< -o $@
  73
  74 clean:
  75         -rm -f \
  76         $(OBJS) \
  77         $(OBJDIR)/$(TARGET).asm \
  78         $(OBJDIR)/$(TARGET).bin \
  79         $(OBJDIR)/$(TARGET).ajz \
  80         $(OBJDIR)/$(TARGET).elf \
  81         $(OBJDIR)/$(TARGET).map