#
# Makefile for z80/SDCC
# @author Takahide Matsutsuka <markn@markn.org>
#
# $Id: Makefile.z80,v 1.15 2009/12/16 06:47:17 matsutsuka Exp $
#

### Compiler definitions
CC       = sdcc
LD       = link-z80
AS       = as-z80
AR	 = sdcclib
OBJCOPY  = objcopy
STRIP    = strip

### Custom rules
CUSTOM_RULE_C_TO_OBJECTDIR_O=1
CUSTOM_RULE_ALLOBJS_TO_TARGETLIB=1
CUSTOM_RULE_LINK=1

### Default flags
CFLAGS  += --std-c99 -mz80 --opt-code-size
CFLAGS	+= --peep-file $(CONTIKI_CPU)/z80peephole.def --fverbose-asm
ASFLAGS +=
LDFLAGS += -mz80 --out-fmt-ihx --no-std-crt0
AROPTS   = -a

ifdef CONTIKI_PROJECT
  CFLAGS += -DAUTOSTART_ENABLE=1
  CONTIKI_SOURCEFILES += $(CONTIKI_PROJECT).c
endif

### CPU-dependent cleanup files
CLEAN += *.ihx *.lnk *.sym contiki-$(TARGET).lib *.$(TARGET)

### CPU-dependent directories
CONTIKI_CPU_DIRS = . dev lib loader

### CPU-dependent source files
CONTIKI_SOURCEFILES += strcasecmp.c mtarch.c uip_arch.c \
	libconio_z80.c log-conio.c rs232.c

CONTIKI_ASMFILES += uip_arch-asm.S crt0.S 

CONTIKI_ASMOBJECTFILES = ${addprefix $(OBJECTDIR)/,$(CONTIKI_ASMFILES:.S=.o)}

CONTIKI_CASMOBJECTFILES = ${addprefix $(OBJECTDIR)/,$(CONTIKI_CASMFILES:.cS=.o)}

CONTIKI_PLATFORM_DIRS = $(PLATFORM_APPDIRS) \
	 ${addprefix $(CONTIKI)/platform/$(TARGET)/, $(CONTIKI_TARGET_DIRS)}

#".cS" suffix means assembler file with #include directive
#so that a developer can use definitions of C-style include file
#in assembler file.  Make sure the header file contains only compiler
#directives. (i.e. #define, etc.)
vpath %.cS $(CONTIKI_PLATFORM_DIRS)

#option -MMD doesn't work well on SDCC as of 2.9.0
$(OBJECTDIR)/%.o: %.c
	$(CC) $(CFLAGS) -c $< -o $@

ifndef CUSTOM_RULE_CS_TO_OBJECTDIR_O
$(OBJECTDIR)/%.o: %.cS
	cp $< $(OBJECTDIR)/$*.c
	$(CC) $(CFLAGS) -E $(OBJECTDIR)/$*.c > $(OBJECTDIR)/tmp
	perl -pe "s/^#(.*)/;$$1/" $(OBJECTDIR)/tmp > $(OBJECTDIR)/$*.S
	$(AS) $(ASFLAGS) -o $@ $(OBJECTDIR)/$*.S
	rm -f $(OBJECTDIR)/tmp
endif

#CUSTOM_RULE_ALLOBJS_TO_TARGETLIB
contiki-$(TARGET).lib: $(CONTIKI_OBJECTFILES) $(PROJECT_OBJECTFILES) $(CONTIKI_ASMOBJECTFILES) $(CONTIKI_CASMOBJECTFILES)
	rm -f $@
	for target in $^; do echo $$target >> $@; done

#CUSTOM_RULE_LINK (workaround for compiling examples)
$(CONTIKI_PROJECT): $(CONTIKI_PROJECT).ihx
	mv $(CONTIKI_PROJECT).ihx $(CONTIKI_PROJECT).$(TARGET)

#CUSTOM_RULE_LINK
%.ihx: contiki-$(TARGET).lib
	$(CC) $(LDFLAGS)  -o $@ $(OBJECTDIR)/crt0.o -lcontiki-$(TARGET).lib
	$(LD) -nf $*