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micropython/py/dynruntime.mk

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Makefile
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tools/mpy_ld.py: Add new mpy_ld.py tool and associated build files. This commit adds a new tool called mpy_ld.py which is essentially a linker that builds .mpy files directly from .o files. A new header file (dynruntime.h) and makefile fragment (dynruntime.mk) are also included which allow building .mpy files from C source code. Such .mpy files can then be dynamically imported as though they were a normal Python module, even though they are implemented in C. Converting .o files directly (rather than pre-linked .elf files) allows the resulting .mpy to be more efficient because it has more control over the relocations; for example it can skip PLT indirection. Doing it this way also allows supporting more architectures, such as Xtensa which has specific needs for position-independent code and the GOT. The tool supports targets of x86, x86-64, ARM Thumb and Xtensa (windowed and non-windowed). BSS, text and rodata sections are supported, with relocations to all internal sections and symbols, as well as relocations to some external symbols (defined by dynruntime.h), and linking of qstrs.
2019-08-28 07:03:08 +00:00
# Makefile fragment for generating native .mpy files from C source
# MPY_DIR must be set to the top of the MicroPython source tree
BUILD ?= build
ECHO = @echo
RM = /bin/rm
MKDIR = /bin/mkdir
PYTHON = python3
all: Fix paths to mpy-cross and micropython binaries. Binaries built using the Make build system now no longer appear in the working directory of the build, but rather in the build directory. Thus some paths had to be adjusted.
2022-08-02 21:48:41 +00:00
MPY_CROSS = $(MPY_DIR)/mpy-cross/build/mpy-cross
tools/mpy_ld.py: Add new mpy_ld.py tool and associated build files. This commit adds a new tool called mpy_ld.py which is essentially a linker that builds .mpy files directly from .o files. A new header file (dynruntime.h) and makefile fragment (dynruntime.mk) are also included which allow building .mpy files from C source code. Such .mpy files can then be dynamically imported as though they were a normal Python module, even though they are implemented in C. Converting .o files directly (rather than pre-linked .elf files) allows the resulting .mpy to be more efficient because it has more control over the relocations; for example it can skip PLT indirection. Doing it this way also allows supporting more architectures, such as Xtensa which has specific needs for position-independent code and the GOT. The tool supports targets of x86, x86-64, ARM Thumb and Xtensa (windowed and non-windowed). BSS, text and rodata sections are supported, with relocations to all internal sections and symbols, as well as relocations to some external symbols (defined by dynruntime.h), and linking of qstrs.
2019-08-28 07:03:08 +00:00
MPY_TOOL = $(PYTHON) $(MPY_DIR)/tools/mpy-tool.py
MPY_LD = $(PYTHON) $(MPY_DIR)/tools/mpy_ld.py
Q = @
ifeq ("$(origin V)", "command line")
ifeq ($(V),1)
Q =
MPY_LD += '-vvv'
endif
endif
ARCH_UPPER = $(shell echo $(ARCH) | tr '[:lower:]' '[:upper:]')
CONFIG_H = $(BUILD)/$(MOD).config.h
CFLAGS += -I. -I$(MPY_DIR)
CFLAGS += -std=c99
CFLAGS += -Os
CFLAGS += -Wall -Werror -DNDEBUG
CFLAGS += -DNO_QSTR
py/dynruntime.mk: Set MICROPY_ENABLE_DYNRUNTIME instead of per module. So this setting could be used by other source files if needed.
2020-03-04 06:07:42 +00:00
CFLAGS += -DMICROPY_ENABLE_DYNRUNTIME
tools/mpy_ld.py: Add new mpy_ld.py tool and associated build files. This commit adds a new tool called mpy_ld.py which is essentially a linker that builds .mpy files directly from .o files. A new header file (dynruntime.h) and makefile fragment (dynruntime.mk) are also included which allow building .mpy files from C source code. Such .mpy files can then be dynamically imported as though they were a normal Python module, even though they are implemented in C. Converting .o files directly (rather than pre-linked .elf files) allows the resulting .mpy to be more efficient because it has more control over the relocations; for example it can skip PLT indirection. Doing it this way also allows supporting more architectures, such as Xtensa which has specific needs for position-independent code and the GOT. The tool supports targets of x86, x86-64, ARM Thumb and Xtensa (windowed and non-windowed). BSS, text and rodata sections are supported, with relocations to all internal sections and symbols, as well as relocations to some external symbols (defined by dynruntime.h), and linking of qstrs.
2019-08-28 07:03:08 +00:00
CFLAGS += -DMP_CONFIGFILE='<$(CONFIG_H)>'
CFLAGS += -fpic -fno-common
CFLAGS += -U _FORTIFY_SOURCE # prevent use of __*_chk libc functions
#CFLAGS += -fdata-sections -ffunction-sections
MPY_CROSS_FLAGS += -march=$(ARCH)
py/dynruntime.mk: Allow building assembly source in natmods. Allow inclusion of assembly source files in dynamic native modules.
2022-07-31 10:41:54 +00:00
SRC_O += $(addprefix $(BUILD)/, $(patsubst %.c,%.o,$(filter %.c,$(SRC))) $(patsubst %.S,%.o,$(filter %.S,$(SRC))))
tools/mpy_ld.py: Add new mpy_ld.py tool and associated build files. This commit adds a new tool called mpy_ld.py which is essentially a linker that builds .mpy files directly from .o files. A new header file (dynruntime.h) and makefile fragment (dynruntime.mk) are also included which allow building .mpy files from C source code. Such .mpy files can then be dynamically imported as though they were a normal Python module, even though they are implemented in C. Converting .o files directly (rather than pre-linked .elf files) allows the resulting .mpy to be more efficient because it has more control over the relocations; for example it can skip PLT indirection. Doing it this way also allows supporting more architectures, such as Xtensa which has specific needs for position-independent code and the GOT. The tool supports targets of x86, x86-64, ARM Thumb and Xtensa (windowed and non-windowed). BSS, text and rodata sections are supported, with relocations to all internal sections and symbols, as well as relocations to some external symbols (defined by dynruntime.h), and linking of qstrs.
2019-08-28 07:03:08 +00:00
SRC_MPY += $(addprefix $(BUILD)/, $(patsubst %.py,%.mpy,$(filter %.py,$(SRC))))
################################################################################
# Architecture configuration
ifeq ($(ARCH),x86)
# x86
CROSS =
CFLAGS += -m32 -fno-stack-protector
py/dynruntime: Add support for float API to make/get floats. We don't want to add a feature flag to .mpy files that indicate float support because it will get complex and difficult to use. Instead the .mpy is built using whatever precision it chooses (float or double) and the native glue API will convert between this choice and what the host runtime actually uses.
2019-11-30 12:03:09 +00:00
MICROPY_FLOAT_IMPL ?= double
tools/mpy_ld.py: Add new mpy_ld.py tool and associated build files. This commit adds a new tool called mpy_ld.py which is essentially a linker that builds .mpy files directly from .o files. A new header file (dynruntime.h) and makefile fragment (dynruntime.mk) are also included which allow building .mpy files from C source code. Such .mpy files can then be dynamically imported as though they were a normal Python module, even though they are implemented in C. Converting .o files directly (rather than pre-linked .elf files) allows the resulting .mpy to be more efficient because it has more control over the relocations; for example it can skip PLT indirection. Doing it this way also allows supporting more architectures, such as Xtensa which has specific needs for position-independent code and the GOT. The tool supports targets of x86, x86-64, ARM Thumb and Xtensa (windowed and non-windowed). BSS, text and rodata sections are supported, with relocations to all internal sections and symbols, as well as relocations to some external symbols (defined by dynruntime.h), and linking of qstrs.
2019-08-28 07:03:08 +00:00
else ifeq ($(ARCH),x64)
# x64
CROSS =
CFLAGS += -fno-stack-protector
py/dynruntime: Add support for float API to make/get floats. We don't want to add a feature flag to .mpy files that indicate float support because it will get complex and difficult to use. Instead the .mpy is built using whatever precision it chooses (float or double) and the native glue API will convert between this choice and what the host runtime actually uses.
2019-11-30 12:03:09 +00:00
MICROPY_FLOAT_IMPL ?= double
tools/mpy_ld.py: Add new mpy_ld.py tool and associated build files. This commit adds a new tool called mpy_ld.py which is essentially a linker that builds .mpy files directly from .o files. A new header file (dynruntime.h) and makefile fragment (dynruntime.mk) are also included which allow building .mpy files from C source code. Such .mpy files can then be dynamically imported as though they were a normal Python module, even though they are implemented in C. Converting .o files directly (rather than pre-linked .elf files) allows the resulting .mpy to be more efficient because it has more control over the relocations; for example it can skip PLT indirection. Doing it this way also allows supporting more architectures, such as Xtensa which has specific needs for position-independent code and the GOT. The tool supports targets of x86, x86-64, ARM Thumb and Xtensa (windowed and non-windowed). BSS, text and rodata sections are supported, with relocations to all internal sections and symbols, as well as relocations to some external symbols (defined by dynruntime.h), and linking of qstrs.
2019-08-28 07:03:08 +00:00
py/dynruntime.mk: Add basic support for armv6m architecture. The examples/natmod features0 and features1 examples now build and run on ARMv6-M platforms. More complicated examples are not yet supported because the compiler emits references to built-in functions like __aeabi_uidiv. Signed-off-by: Damien George <damien@micropython.org>
2022-05-23 12:50:34 +00:00
else ifeq ($(ARCH),armv6m)
# thumb
CROSS = arm-none-eabi-
CFLAGS += -mthumb -mcpu=cortex-m0
MICROPY_FLOAT_IMPL ?= none
tools/mpy_ld.py: Add new mpy_ld.py tool and associated build files. This commit adds a new tool called mpy_ld.py which is essentially a linker that builds .mpy files directly from .o files. A new header file (dynruntime.h) and makefile fragment (dynruntime.mk) are also included which allow building .mpy files from C source code. Such .mpy files can then be dynamically imported as though they were a normal Python module, even though they are implemented in C. Converting .o files directly (rather than pre-linked .elf files) allows the resulting .mpy to be more efficient because it has more control over the relocations; for example it can skip PLT indirection. Doing it this way also allows supporting more architectures, such as Xtensa which has specific needs for position-independent code and the GOT. The tool supports targets of x86, x86-64, ARM Thumb and Xtensa (windowed and non-windowed). BSS, text and rodata sections are supported, with relocations to all internal sections and symbols, as well as relocations to some external symbols (defined by dynruntime.h), and linking of qstrs.
2019-08-28 07:03:08 +00:00
else ifeq ($(ARCH),armv7m)
# thumb
CROSS = arm-none-eabi-
CFLAGS += -mthumb -mcpu=cortex-m3
py/dynruntime: Add support for float API to make/get floats. We don't want to add a feature flag to .mpy files that indicate float support because it will get complex and difficult to use. Instead the .mpy is built using whatever precision it chooses (float or double) and the native glue API will convert between this choice and what the host runtime actually uses.
2019-11-30 12:03:09 +00:00
MICROPY_FLOAT_IMPL ?= none
tools/mpy_ld.py: Add new mpy_ld.py tool and associated build files. This commit adds a new tool called mpy_ld.py which is essentially a linker that builds .mpy files directly from .o files. A new header file (dynruntime.h) and makefile fragment (dynruntime.mk) are also included which allow building .mpy files from C source code. Such .mpy files can then be dynamically imported as though they were a normal Python module, even though they are implemented in C. Converting .o files directly (rather than pre-linked .elf files) allows the resulting .mpy to be more efficient because it has more control over the relocations; for example it can skip PLT indirection. Doing it this way also allows supporting more architectures, such as Xtensa which has specific needs for position-independent code and the GOT. The tool supports targets of x86, x86-64, ARM Thumb and Xtensa (windowed and non-windowed). BSS, text and rodata sections are supported, with relocations to all internal sections and symbols, as well as relocations to some external symbols (defined by dynruntime.h), and linking of qstrs.
2019-08-28 07:03:08 +00:00
else ifeq ($(ARCH),armv7emsp)
# thumb
CROSS = arm-none-eabi-
CFLAGS += -mthumb -mcpu=cortex-m4
CFLAGS += -mfpu=fpv4-sp-d16 -mfloat-abi=hard
py/dynruntime: Add support for float API to make/get floats. We don't want to add a feature flag to .mpy files that indicate float support because it will get complex and difficult to use. Instead the .mpy is built using whatever precision it chooses (float or double) and the native glue API will convert between this choice and what the host runtime actually uses.
2019-11-30 12:03:09 +00:00
MICROPY_FLOAT_IMPL ?= float
tools/mpy_ld.py: Add new mpy_ld.py tool and associated build files. This commit adds a new tool called mpy_ld.py which is essentially a linker that builds .mpy files directly from .o files. A new header file (dynruntime.h) and makefile fragment (dynruntime.mk) are also included which allow building .mpy files from C source code. Such .mpy files can then be dynamically imported as though they were a normal Python module, even though they are implemented in C. Converting .o files directly (rather than pre-linked .elf files) allows the resulting .mpy to be more efficient because it has more control over the relocations; for example it can skip PLT indirection. Doing it this way also allows supporting more architectures, such as Xtensa which has specific needs for position-independent code and the GOT. The tool supports targets of x86, x86-64, ARM Thumb and Xtensa (windowed and non-windowed). BSS, text and rodata sections are supported, with relocations to all internal sections and symbols, as well as relocations to some external symbols (defined by dynruntime.h), and linking of qstrs.
2019-08-28 07:03:08 +00:00
else ifeq ($(ARCH),armv7emdp)
# thumb
CROSS = arm-none-eabi-
CFLAGS += -mthumb -mcpu=cortex-m7
CFLAGS += -mfpu=fpv5-d16 -mfloat-abi=hard
py/dynruntime: Add support for float API to make/get floats. We don't want to add a feature flag to .mpy files that indicate float support because it will get complex and difficult to use. Instead the .mpy is built using whatever precision it chooses (float or double) and the native glue API will convert between this choice and what the host runtime actually uses.
2019-11-30 12:03:09 +00:00
MICROPY_FLOAT_IMPL ?= double
tools/mpy_ld.py: Add new mpy_ld.py tool and associated build files. This commit adds a new tool called mpy_ld.py which is essentially a linker that builds .mpy files directly from .o files. A new header file (dynruntime.h) and makefile fragment (dynruntime.mk) are also included which allow building .mpy files from C source code. Such .mpy files can then be dynamically imported as though they were a normal Python module, even though they are implemented in C. Converting .o files directly (rather than pre-linked .elf files) allows the resulting .mpy to be more efficient because it has more control over the relocations; for example it can skip PLT indirection. Doing it this way also allows supporting more architectures, such as Xtensa which has specific needs for position-independent code and the GOT. The tool supports targets of x86, x86-64, ARM Thumb and Xtensa (windowed and non-windowed). BSS, text and rodata sections are supported, with relocations to all internal sections and symbols, as well as relocations to some external symbols (defined by dynruntime.h), and linking of qstrs.
2019-08-28 07:03:08 +00:00
else ifeq ($(ARCH),xtensa)
# xtensa
CROSS = xtensa-lx106-elf-
CFLAGS += -mforce-l32
py/dynruntime: Add support for float API to make/get floats. We don't want to add a feature flag to .mpy files that indicate float support because it will get complex and difficult to use. Instead the .mpy is built using whatever precision it chooses (float or double) and the native glue API will convert between this choice and what the host runtime actually uses.
2019-11-30 12:03:09 +00:00
MICROPY_FLOAT_IMPL ?= none
tools/mpy_ld.py: Add new mpy_ld.py tool and associated build files. This commit adds a new tool called mpy_ld.py which is essentially a linker that builds .mpy files directly from .o files. A new header file (dynruntime.h) and makefile fragment (dynruntime.mk) are also included which allow building .mpy files from C source code. Such .mpy files can then be dynamically imported as though they were a normal Python module, even though they are implemented in C. Converting .o files directly (rather than pre-linked .elf files) allows the resulting .mpy to be more efficient because it has more control over the relocations; for example it can skip PLT indirection. Doing it this way also allows supporting more architectures, such as Xtensa which has specific needs for position-independent code and the GOT. The tool supports targets of x86, x86-64, ARM Thumb and Xtensa (windowed and non-windowed). BSS, text and rodata sections are supported, with relocations to all internal sections and symbols, as well as relocations to some external symbols (defined by dynruntime.h), and linking of qstrs.
2019-08-28 07:03:08 +00:00
else ifeq ($(ARCH),xtensawin)
# xtensawin
CROSS = xtensa-esp32-elf-
CFLAGS +=
py/dynruntime: Add support for float API to make/get floats. We don't want to add a feature flag to .mpy files that indicate float support because it will get complex and difficult to use. Instead the .mpy is built using whatever precision it chooses (float or double) and the native glue API will convert between this choice and what the host runtime actually uses.
2019-11-30 12:03:09 +00:00
MICROPY_FLOAT_IMPL ?= float
tools/mpy_ld.py: Add new mpy_ld.py tool and associated build files. This commit adds a new tool called mpy_ld.py which is essentially a linker that builds .mpy files directly from .o files. A new header file (dynruntime.h) and makefile fragment (dynruntime.mk) are also included which allow building .mpy files from C source code. Such .mpy files can then be dynamically imported as though they were a normal Python module, even though they are implemented in C. Converting .o files directly (rather than pre-linked .elf files) allows the resulting .mpy to be more efficient because it has more control over the relocations; for example it can skip PLT indirection. Doing it this way also allows supporting more architectures, such as Xtensa which has specific needs for position-independent code and the GOT. The tool supports targets of x86, x86-64, ARM Thumb and Xtensa (windowed and non-windowed). BSS, text and rodata sections are supported, with relocations to all internal sections and symbols, as well as relocations to some external symbols (defined by dynruntime.h), and linking of qstrs.
2019-08-28 07:03:08 +00:00
else
$(error architecture '$(ARCH)' not supported)
endif
py/dynruntime: Add support for float API to make/get floats. We don't want to add a feature flag to .mpy files that indicate float support because it will get complex and difficult to use. Instead the .mpy is built using whatever precision it chooses (float or double) and the native glue API will convert between this choice and what the host runtime actually uses.
2019-11-30 12:03:09 +00:00
MICROPY_FLOAT_IMPL_UPPER = $(shell echo $(MICROPY_FLOAT_IMPL) | tr '[:lower:]' '[:upper:]')
CFLAGS += -DMICROPY_FLOAT_IMPL=MICROPY_FLOAT_IMPL_$(MICROPY_FLOAT_IMPL_UPPER)
tools/mpy_ld.py: Add new mpy_ld.py tool and associated build files. This commit adds a new tool called mpy_ld.py which is essentially a linker that builds .mpy files directly from .o files. A new header file (dynruntime.h) and makefile fragment (dynruntime.mk) are also included which allow building .mpy files from C source code. Such .mpy files can then be dynamically imported as though they were a normal Python module, even though they are implemented in C. Converting .o files directly (rather than pre-linked .elf files) allows the resulting .mpy to be more efficient because it has more control over the relocations; for example it can skip PLT indirection. Doing it this way also allows supporting more architectures, such as Xtensa which has specific needs for position-independent code and the GOT. The tool supports targets of x86, x86-64, ARM Thumb and Xtensa (windowed and non-windowed). BSS, text and rodata sections are supported, with relocations to all internal sections and symbols, as well as relocations to some external symbols (defined by dynruntime.h), and linking of qstrs.
2019-08-28 07:03:08 +00:00
CFLAGS += $(CFLAGS_EXTRA)
################################################################################
# Build rules
.PHONY: all clean
all: $(MOD).mpy
clean:
$(RM) -rf $(BUILD) $(CLEAN_EXTRA)
# Create build destination directories first
BUILD_DIRS = $(sort $(dir $(CONFIG_H) $(SRC_O) $(SRC_MPY)))
$(CONFIG_H) $(SRC_O) $(SRC_MPY): | $(BUILD_DIRS)
$(BUILD_DIRS):
$(Q)$(MKDIR) -p $@
# Preprocess all source files to generate $(CONFIG_H)
$(CONFIG_H): $(SRC)
$(ECHO) "GEN $@"
$(Q)$(MPY_LD) --arch $(ARCH) --preprocess -o $@ $^
# Build .o from .c source files
$(BUILD)/%.o: %.c $(CONFIG_H) Makefile
$(ECHO) "CC $<"
$(Q)$(CROSS)gcc $(CFLAGS) -o $@ -c $<
py/dynruntime.mk: Allow building assembly source in natmods. Allow inclusion of assembly source files in dynamic native modules.
2022-07-31 10:41:54 +00:00
# Build .o from .S source files
$(BUILD)/%.o: %.S $(CONFIG_H) Makefile
$(ECHO) "AS $<"
$(Q)$(CROSS)gcc $(CFLAGS) -o $@ -c $<
tools/mpy_ld.py: Add new mpy_ld.py tool and associated build files. This commit adds a new tool called mpy_ld.py which is essentially a linker that builds .mpy files directly from .o files. A new header file (dynruntime.h) and makefile fragment (dynruntime.mk) are also included which allow building .mpy files from C source code. Such .mpy files can then be dynamically imported as though they were a normal Python module, even though they are implemented in C. Converting .o files directly (rather than pre-linked .elf files) allows the resulting .mpy to be more efficient because it has more control over the relocations; for example it can skip PLT indirection. Doing it this way also allows supporting more architectures, such as Xtensa which has specific needs for position-independent code and the GOT. The tool supports targets of x86, x86-64, ARM Thumb and Xtensa (windowed and non-windowed). BSS, text and rodata sections are supported, with relocations to all internal sections and symbols, as well as relocations to some external symbols (defined by dynruntime.h), and linking of qstrs.
2019-08-28 07:03:08 +00:00
# Build .mpy from .py source files
$(BUILD)/%.mpy: %.py
$(ECHO) "MPY $<"
$(Q)$(MPY_CROSS) $(MPY_CROSS_FLAGS) -o $@ $<
# Build native .mpy from object files
$(BUILD)/$(MOD).native.mpy: $(SRC_O)
$(ECHO) "LINK $<"
$(Q)$(MPY_LD) --arch $(ARCH) --qstrs $(CONFIG_H) -o $@ $^
# Build final .mpy from all intermediate .mpy files
$(MOD).mpy: $(BUILD)/$(MOD).native.mpy $(SRC_MPY)
$(ECHO) "GEN $@"
$(Q)$(MPY_TOOL) --merge -o $@ $^