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# ARM7/9 common makefile scripts and rules.
# Output
OUTFILES = $(BUILDDIR)/$(PROJECT).elf $(BUILDDIR)/$(PROJECT).hex $(BUILDDIR)/$(PROJECT).bin $(BUILDDIR)/$(PROJECT).dmp
ifeq ($(BUILDDIR),)
BUILDDIR = .
CLEANDIR =
else
CLEANDIR = $(BUILDDIR)
endif
ENSUREBUILDDIR = $(shell test -d $(BUILDDIR) || mkdir $(BUILDDIR))
# Automatic compiler options
OPT = $(USE_OPT)
CPPOPT = $(USE_CPPOPT)
ifeq ($(USE_CURRP_CACHING),yes)
OPT += -ffixed-r7 -DCH_CURRP_REGISTER_CACHE='"r7"'
endif
ifeq ($(USE_LINK_GC),yes)
OPT += -ffunction-sections -fdata-sections
endif
# Source files groups
ifeq ($(USE_THUMB),yes)
TCSRC += $(CSRC)
TCPPSRC += $(CPPSRC)
else
ACSRC += $(CSRC)
ACPPSRC += $(CPPSRC)
endif
ASRC = $(ACSRC)$(ACPPSRC)
TSRC = $(TCSRC)$(TCPPSRC)
SRC = $(ASRC)$(TSRC)
# Object files groups
ACOBJS = $(ACSRC:.c=.o)
ACPPOBJS = $(ACPPSRC:.cpp=.o)
TCOBJS = $(TCSRC:.c=.o)
TCPPOBJS = $(TCPPSRC:.cpp=.o)
ASMOBJS = $(ASMSRC:.s=.o)
OBJS = $(ASMOBJS) $(ACOBJS) $(TCOBJS) $(ACPPOBJS) $(TCPPOBJS)
# Paths
IINCDIR = $(patsubst %,-I%,$(INCDIR) $(DINCDIR) $(UINCDIR))
LLIBDIR = $(patsubst %,-L%,$(DLIBDIR) $(ULIBDIR))
# Macros
DEFS = $(DDEFS) $(UDEFS)
ADEFS = $(DADEFS) $(UADEFS)
# Libs
LIBS = $(DLIBS) $(ULIBS)
# Various settings
MCFLAGS = -mcpu=$(MCU)
ODFLAGS = -x --syms
ASFLAGS = $(MCFLAGS) -Wa,-amhls=$(<:.s=.lst) $(ADEFS)
CFLAGS = $(MCFLAGS) $(OPT) $(CWARN) -Wa,-alms=$(<:.c=.lst) $(DEFS)
CPPFLAGS = $(MCFLAGS) $(OPT) $(CPPOPT) $(CPPWARN) -Wa,-alms=$(<:.cpp=.lst) $(DEFS)
ifeq ($(USE_LINK_GC),yes)
LDFLAGS = $(MCFLAGS) -nostartfiles -T$(LDSCRIPT) -Wl,-Map=$(BUILDDIR)/$(PROJECT).map,--cref,--no-warn-mismatch,--gc-sections $(LLIBDIR)
else
LDFLAGS = $(MCFLAGS) -nostartfiles -T$(LDSCRIPT) -Wl,-Map=$(BUILDDIR)/$(PROJECT).map,--cref,--no-warn-mismatch $(LLIBDIR)
endif
# Thumb interwork enabled only if needed because it kills performance.
ifneq ($(TSRC),)
CFLAGS += -DTHUMB_PRESENT
CPPFLAGS += -DTHUMB_PRESENT
ASFLAGS += -DTHUMB_PRESENT
ifneq ($(ASRC),)
# Mixed ARM and THUMB mode.
CFLAGS += -mthumb-interwork
CPPFLAGS += -mthumb-interwork
ASFLAGS += -mthumb-interwork
LDFLAGS += -mthumb-interwork
else
# Pure THUMB mode, THUMB C code cannot be called by ARM asm code directly.
CFLAGS += -mno-thumb-interwork -DTHUMB_NO_INTERWORKING
CPPFLAGS += -mno-thumb-interwork -DTHUMB_NO_INTERWORKING
ASFLAGS += -mno-thumb-interwork -DTHUMB_NO_INTERWORKING -mthumb
LDFLAGS += -mno-thumb-interwork -mthumb
endif
else
# Pure ARM mode
CFLAGS += -mno-thumb-interwork
CPPFLAGS += -mno-thumb-interwork
ASFLAGS += -mno-thumb-interwork
LDFLAGS += -mno-thumb-interwork
endif
# Generate dependency information
CFLAGS += -MD -MP -MF .dep/$(@F).d
CPPFLAGS += -MD -MP -MF .dep/$(@F).d
#
# Makefile rules
#
all: $(ENSUREBUILDDIR) $(OBJS) $(OUTFILES)
$(ACPPOBJS) : %.o : %.cpp
@echo
$(CPPC) -c $(CPPFLAGS) $(AOPT) -I . $(IINCDIR) $< -o $@
$(TCPPOBJS) : %.o : %.cpp
@echo
$(CPPC) -c $(CPPFLAGS) $(TOPT) -I . $(IINCDIR) $< -o $@
$(ACOBJS) : %.o : %.c
@echo
$(CC) -c $(CFLAGS) $(AOPT) -I . $(IINCDIR) $< -o $@
$(TCOBJS) : %.o : %.c
@echo
$(CC) -c $(CFLAGS) $(TOPT) -I . $(IINCDIR) $< -o $@
$(ASMOBJS) : %.o : %.s
@echo
$(AS) -c $(ASFLAGS) -I . $(IINCDIR) $< -o $@
%elf: $(OBJS)
@echo
$(LD) $(OBJS) $(LDFLAGS) $(LIBS) -o $@
%hex: %elf
$(HEX) $< $@
%bin: %elf
$(BIN) $< $@
%dmp: %elf
$(OD) $(ODFLAGS) $< > $@
clean:
-rm -f $(OBJS)
-rm -f $(ACSRC:.c=.lst) $(TCSRC:.c=.lst) $(ACPPSRC:.cpp=.lst) $(TCPPSRC:.cpp=.lst) $(ASMSRC:.s=.lst)
-rm -f $(OUTFILES) $(BUILDDIR)/$(PROJECT).map
-rm -fR .dep $(CLEANDIR)
#
# Include the dependency files, should be the last of the makefile
#
-include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)
# *** EOF ***
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