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270 lines
7.5 KiB
270 lines
7.5 KiB
# where py object files go (they have a name prefix to prevent filename clashes)
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PY_BUILD = $(BUILD)/py
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# where autogenerated header files go
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HEADER_BUILD = $(BUILD)/genhdr
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# file containing qstr defs for the core Python bit
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PY_QSTR_DEFS = $(PY_SRC)/qstrdefs.h
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# If qstr autogeneration is not disabled we specify the output header
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# for all collected qstrings.
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ifneq ($(QSTR_AUTOGEN_DISABLE),1)
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QSTR_DEFS_COLLECTED = $(HEADER_BUILD)/qstrdefs.collected.h
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endif
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# Any files listed by these variables will cause a full regeneration of qstrs
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# DEPENDENCIES: included in qstr processing; REQUIREMENTS: not included
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QSTR_GLOBAL_DEPENDENCIES += $(PY_SRC)/mpconfig.h mpconfigport.h
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QSTR_GLOBAL_REQUIREMENTS += $(HEADER_BUILD)/mpversion.h
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# some code is performance bottleneck and compiled with other optimization options
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CSUPEROPT = -O3
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# Enable building 32-bit code on 64-bit host.
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ifeq ($(MICROPY_FORCE_32BIT),1)
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CC += -m32
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CXX += -m32
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LD += -m32
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endif
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# External modules written in C.
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ifneq ($(USER_C_MODULES),)
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# pre-define USERMOD variables as expanded so that variables are immediate
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# expanded as they're added to them
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# C/C++ files that are included in the QSTR/module build
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SRC_USERMOD_C :=
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SRC_USERMOD_CXX :=
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# Other C/C++ files (e.g. libraries or helpers)
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SRC_USERMOD_LIB_C :=
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SRC_USERMOD_LIB_CXX :=
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# Optionally set flags
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CFLAGS_USERMOD :=
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CXXFLAGS_USERMOD :=
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LDFLAGS_USERMOD :=
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# Backwards compatibility with older user c modules that set SRC_USERMOD
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# added to SRC_USERMOD_C below
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SRC_USERMOD :=
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$(foreach module, $(wildcard $(USER_C_MODULES)/*/micropython.mk), \
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$(eval USERMOD_DIR = $(patsubst %/,%,$(dir $(module))))\
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$(info Including User C Module from $(USERMOD_DIR))\
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$(eval include $(module))\
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)
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SRC_USERMOD_C += $(SRC_USERMOD)
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SRC_USERMOD_PATHFIX_C += $(patsubst $(USER_C_MODULES)/%.c,%.c,$(SRC_USERMOD_C))
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SRC_USERMOD_PATHFIX_CXX += $(patsubst $(USER_C_MODULES)/%.cpp,%.cpp,$(SRC_USERMOD_CXX))
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SRC_USERMOD_PATHFIX_LIB_C += $(patsubst $(USER_C_MODULES)/%.c,%.c,$(SRC_USERMOD_LIB_C))
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SRC_USERMOD_PATHFIX_LIB_CXX += $(patsubst $(USER_C_MODULES)/%.cpp,%.cpp,$(SRC_USERMOD_LIB_CXX))
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CFLAGS += $(CFLAGS_USERMOD)
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CXXFLAGS += $(CXXFLAGS_USERMOD)
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LDFLAGS += $(LDFLAGS_USERMOD)
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SRC_QSTR += $(SRC_USERMOD_PATHFIX_C) $(SRC_USERMOD_PATHFIX_CXX)
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PY_O += $(addprefix $(BUILD)/, $(SRC_USERMOD_PATHFIX_C:.c=.o))
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PY_O += $(addprefix $(BUILD)/, $(SRC_USERMOD_PATHFIX_CXX:.cpp=.o))
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PY_O += $(addprefix $(BUILD)/, $(SRC_USERMOD_PATHFIX_LIB_C:.c=.o))
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PY_O += $(addprefix $(BUILD)/, $(SRC_USERMOD_PATHFIX_LIB_CXX:.cpp=.o))
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endif
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# py object files
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PY_CORE_O_BASENAME = $(addprefix py/,\
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mpstate.o \
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nlr.o \
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nlrx86.o \
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nlrx64.o \
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nlrthumb.o \
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nlraarch64.o \
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nlrmips.o \
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nlrpowerpc.o \
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nlrxtensa.o \
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nlrsetjmp.o \
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malloc.o \
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gc.o \
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pystack.o \
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qstr.o \
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vstr.o \
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mpprint.o \
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unicode.o \
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mpz.o \
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reader.o \
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lexer.o \
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parse.o \
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scope.o \
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compile.o \
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emitcommon.o \
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emitbc.o \
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asmbase.o \
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asmx64.o \
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emitnx64.o \
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asmx86.o \
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emitnx86.o \
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asmthumb.o \
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emitnthumb.o \
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emitinlinethumb.o \
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asmarm.o \
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emitnarm.o \
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asmxtensa.o \
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emitnxtensa.o \
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emitinlinextensa.o \
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emitnxtensawin.o \
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formatfloat.o \
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parsenumbase.o \
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parsenum.o \
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emitglue.o \
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persistentcode.o \
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runtime.o \
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runtime_utils.o \
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scheduler.o \
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nativeglue.o \
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pairheap.o \
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ringbuf.o \
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stackctrl.o \
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argcheck.o \
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warning.o \
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profile.o \
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map.o \
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obj.o \
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objarray.o \
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objattrtuple.o \
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objbool.o \
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objboundmeth.o \
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objcell.o \
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objclosure.o \
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objcomplex.o \
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objdeque.o \
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objdict.o \
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objenumerate.o \
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objexcept.o \
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objfilter.o \
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objfloat.o \
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objfun.o \
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objgenerator.o \
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objgetitemiter.o \
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objint.o \
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objint_longlong.o \
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objint_mpz.o \
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objlist.o \
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objmap.o \
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objmodule.o \
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objobject.o \
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objpolyiter.o \
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objproperty.o \
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objnone.o \
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objnamedtuple.o \
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objrange.o \
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objreversed.o \
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objset.o \
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objsingleton.o \
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objslice.o \
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objstr.o \
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objstrunicode.o \
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objstringio.o \
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objtuple.o \
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objtype.o \
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objzip.o \
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opmethods.o \
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sequence.o \
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stream.o \
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binary.o \
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builtinimport.o \
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builtinevex.o \
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builtinhelp.o \
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modarray.o \
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modbuiltins.o \
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modcollections.o \
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modgc.o \
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modio.o \
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modmath.o \
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modcmath.o \
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modmicropython.o \
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modstruct.o \
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modsys.o \
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moderrno.o \
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modthread.o \
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vm.o \
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bc.o \
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showbc.o \
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repl.o \
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smallint.o \
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frozenmod.o \
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)
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# prepend the build destination prefix to the py object files
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PY_CORE_O = $(addprefix $(BUILD)/, $(PY_CORE_O_BASENAME))
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# this is a convenience variable for ports that want core, extmod and frozen code
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PY_O += $(PY_CORE_O)
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# object file for frozen code specified via a manifest
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ifneq ($(FROZEN_MANIFEST),)
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PY_O += $(BUILD)/$(BUILD)/frozen_content.o
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endif
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# Sources that may contain qstrings
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SRC_QSTR_IGNORE = py/nlr%
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SRC_QSTR += $(filter-out $(SRC_QSTR_IGNORE),$(PY_CORE_O_BASENAME:.o=.c))
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# Anything that depends on FORCE will be considered out-of-date
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FORCE:
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.PHONY: FORCE
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$(HEADER_BUILD)/mpversion.h: FORCE | $(HEADER_BUILD)
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$(Q)$(PYTHON) $(PY_SRC)/makeversionhdr.py $@
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# mpconfigport.mk is optional, but changes to it may drastically change
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# overall config, so they need to be caught
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MPCONFIGPORT_MK = $(wildcard mpconfigport.mk)
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# qstr data
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# Adding an order only dependency on $(HEADER_BUILD) causes $(HEADER_BUILD) to get
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# created before we run the script to generate the .h
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# Note: we need to protect the qstr names from the preprocessor, so we wrap
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# the lines in "" and then unwrap after the preprocessor is finished.
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# See more information about this process in docs/develop/qstr.rst.
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$(HEADER_BUILD)/qstrdefs.generated.h: $(PY_QSTR_DEFS) $(QSTR_DEFS) $(QSTR_DEFS_COLLECTED) $(PY_SRC)/makeqstrdata.py mpconfigport.h $(MPCONFIGPORT_MK) $(PY_SRC)/mpconfig.h | $(HEADER_BUILD)
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$(ECHO) "GEN $@"
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$(Q)$(CAT) $(PY_QSTR_DEFS) $(QSTR_DEFS) $(QSTR_DEFS_COLLECTED) | $(SED) 's/^Q(.*)/"&"/' | $(CPP) $(CFLAGS) - | $(SED) 's/^\"\(Q(.*)\)\"/\1/' > $(HEADER_BUILD)/qstrdefs.preprocessed.h
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$(Q)$(PYTHON) $(PY_SRC)/makeqstrdata.py $(HEADER_BUILD)/qstrdefs.preprocessed.h > $@
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$(HEADER_BUILD)/compressed.data.h: $(HEADER_BUILD)/compressed.collected
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$(ECHO) "GEN $@"
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$(Q)$(PYTHON) $(PY_SRC)/makecompresseddata.py $< > $@
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# build a list of registered modules for py/objmodule.c.
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$(HEADER_BUILD)/moduledefs.h: $(HEADER_BUILD)/moduledefs.collected
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@$(ECHO) "GEN $@"
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$(Q)$(PYTHON) $(PY_SRC)/makemoduledefs.py $< > $@
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# build a list of registered root pointers for py/mpstate.h.
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$(HEADER_BUILD)/root_pointers.h: $(HEADER_BUILD)/root_pointers.collected $(PY_SRC)/make_root_pointers.py
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@$(ECHO) "GEN $@"
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$(Q)$(PYTHON) $(PY_SRC)/make_root_pointers.py $< > $@
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# Standard C functions like memset need to be compiled with special flags so
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# the compiler does not optimise these functions in terms of themselves.
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CFLAGS_BUILTIN ?= -ffreestanding -fno-builtin -fno-lto
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$(BUILD)/shared/libc/string0.o: CFLAGS += $(CFLAGS_BUILTIN)
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# Force nlr code to always be compiled with space-saving optimisation so
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# that the function preludes are of a minimal and predictable form.
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$(PY_BUILD)/nlr%.o: CFLAGS += -Os
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# optimising gc for speed; 5ms down to 4ms on pybv2
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$(PY_BUILD)/gc.o: CFLAGS += $(CSUPEROPT)
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# optimising vm for speed, adds only a small amount to code size but makes a huge difference to speed (20% faster)
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$(PY_BUILD)/vm.o: CFLAGS += $(CSUPEROPT)
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# Optimizing vm.o for modern deeply pipelined CPUs with branch predictors
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# may require disabling tail jump optimization. This will make sure that
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# each opcode has its own dispatching jump which will improve branch
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# branch predictor efficiency.
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# https://marc.info/?l=lua-l&m=129778596120851
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# http://hg.python.org/cpython/file/b127046831e2/Python/ceval.c#l828
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# http://www.emulators.com/docs/nx25_nostradamus.htm
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#-fno-crossjumping
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