spec.mk

sdcc是为51等小型嵌入式cpu设计的c语言编译器支持数种不同类型的cpu

# Port specification for the mcs51 port running with uCsim
#
# model small

# path to uCsim
S51A = $(top_builddir)sim/ucsim/s51.src/s51
S51B = $(top_builddir)bin/s51

S51 = $(shell if [ -f $(S51A) ]; then echo $(S51A); else echo $(S51B); fi)

SDCCFLAGS +=--nostdinc --less-pedantic -DREENTRANT=reentrant -I$(INC_DIR)/mcs51 -I$(top_srcdir)
LINKFLAGS = --nostdlib
LINKFLAGS += mcs51.lib libsdcc.lib liblong.lib libint.lib libfloat.lib
LIBDIR = $(top_builddir)device/lib/build/small

OBJEXT = .rel
EXEEXT = .ihx

EXTRAS = $(PORT_CASES_DIR)/testfwk$(OBJEXT) $(PORT_CASES_DIR)/support$(OBJEXT)
FWKLIB = $(PORT_CASES_DIR)/T2_isr$(OBJEXT)

# Rule to link into .ihx
%$(EXEEXT): %$(OBJEXT) $(EXTRAS) $(FWKLIB) $(PORT_CASES_DIR)/fwk.lib
	$(SDCC) $(SDCCFLAGS) $(LINKFLAGS) -L $(LIBDIR) $(EXTRAS) $(PORT_CASES_DIR)/fwk.lib $< -o $@

%$(OBJEXT): %.c
	$(SDCC) $(SDCCFLAGS) -c $< -o $@

$(PORT_CASES_DIR)/%$(OBJEXT): $(PORTS_DIR)/$(PORT)/%.c
	$(SDCC) $(SDCCFLAGS) -c $< -o $@

$(PORT_CASES_DIR)/%$(OBJEXT): fwk/lib/%.c
	$(SDCC) $(SDCCFLAGS) -c $< -o $@

$(PORT_CASES_DIR)/fwk.lib:
	cp $(PORTS_DIR)/mcs51/fwk.lib $@

# run simulator with 30 seconds timeout
%.out: %$(EXEEXT) gen/timeout
	mkdir -p $(dir $@)
	-gen/timeout 30 $(S51) -t32 -S in=/dev/null,out=$@ $< < $(PORTS_DIR)/mcs51/uCsim.cmd > $(@:.out=.sim) \
	  || echo -e --- FAIL: \"timeout, simulation killed\" in $(<:$(EXEEXT)=.c)"\n"--- Summary: 1/1/1: timeout >> $@
	python $(srcdir)/get_ticks.py < $(@:.out=.sim) >> $@
	-grep -n FAIL $@ /dev/null || true


gen/timeout: $(srcdir)/fwk/lib/timeout.c
	$(CC) $< -o $@

_clean: