micropython/py/py.mk

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7.5 KiB
Makefile

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