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micropython/ports/powerpc/Makefile

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powerpc: Add initial port to bare metal PowerPC arch. Runs in microwatt (GHDL and FPGA) and qemu. Port done initially by Michael Neuling, with help from Anton Blanchard and Jordan Niethe.
2019-08-22 01:21:48 +01:00
include ../../py/mkenv.mk
# qstr definitions (must come before including py.mk)
QSTR_DEFS = qstrdefsport.h
# include py core make definitions
include $(TOP)/py/py.mk
extmod/extmod.mk: Separate out extmod file list from py.mk to extmod.mk. This separates extmod source files from `py.mk`. Previously, `py.mk` assumed that every consumer of the py/ directory also wanted to include extmod/. However, this is not the case. For example, building mpy-cross uses py/ but doesn't need extmod/. This commit moves all extmod-specific items from `py.mk` to `extmod.mk` and explicitly includes `extmod.mk` in ports that use it. Signed-off-by: David Lechner <david@pybricks.com>
2022-06-17 17:11:30 +01:00
include $(TOP)/extmod/extmod.mk
powerpc: Add initial port to bare metal PowerPC arch. Runs in microwatt (GHDL and FPGA) and qemu. Port done initially by Michael Neuling, with help from Anton Blanchard and Jordan Niethe.
2019-08-22 01:21:48 +01:00
powerpc/uart: Choose which UART to use at build time, not runtime. Microwatt may have firmware that places data in r3, which was used to detect microwatt vs powernv. This breaks the existing probing of the UART type in this powerpc port. Instead build only the appropriate UART into the firmware, selected by passing the option UART=potato or UART=lpc_serial to the Makefile. A future enhancement would be to parse the device tree and configure MicroPython based on the settings.
2020-05-26 04:29:55 +01:00
# potato or lpc_serial
UART ?= potato
powerpc: Add initial port to bare metal PowerPC arch. Runs in microwatt (GHDL and FPGA) and qemu. Port done initially by Michael Neuling, with help from Anton Blanchard and Jordan Niethe.
2019-08-22 01:21:48 +01:00
ARCH = $(shell uname -m)
ifneq ("$(ARCH)", "ppc64")
ifneq ("$(ARCH)", "ppc64le")
powerpc: Set better default compiler. Most developers use a compiler which is called powerpc64le-linux-gnu-gcc.
2020-05-26 04:37:09 +01:00
CROSS_COMPILE ?= powerpc64le-linux-gnu-
powerpc: Add initial port to bare metal PowerPC arch. Runs in microwatt (GHDL and FPGA) and qemu. Port done initially by Michael Neuling, with help from Anton Blanchard and Jordan Niethe.
2019-08-22 01:21:48 +01:00
endif
endif
INC += -I.
INC += -I$(TOP)
INC += -I$(BUILD)
all: Enable extra conversion warnings where applicable. Add -Wdouble-promotion and -Wfloat-conversion for most ports to ban out implicit floating point conversions, and add extra Travis builds using MICROPY_FLOAT_IMPL_FLOAT to uncover warnings which weren't found previously. For the unix port -Wsign-comparison is added as well but only there since only clang supports this but gcc doesn't.
2020-04-09 12:59:11 +01:00
CFLAGS = $(INC) -g -Wall -Wdouble-promotion -Wfloat-conversion -std=c99 $(COPT)
powerpc: Add initial port to bare metal PowerPC arch. Runs in microwatt (GHDL and FPGA) and qemu. Port done initially by Michael Neuling, with help from Anton Blanchard and Jordan Niethe.
2019-08-22 01:21:48 +01:00
CFLAGS += -mno-string -mno-multiple -mno-vsx -mno-altivec -nostdlib
CFLAGS += -mlittle-endian -mstrict-align -msoft-float
CFLAGS += -Os
CFLAGS += -fdata-sections -ffunction-sections -fno-stack-protector -ffreestanding
CFLAGS += -U_FORTIFY_SOURCE
LDFLAGS = -N -T powerpc.lds -nostdlib
LIBS =
SRC_C = \
main.c \
powerpc/uart: Choose which UART to use at build time, not runtime. Microwatt may have firmware that places data in r3, which was used to detect microwatt vs powernv. This breaks the existing probing of the UART type in this powerpc port. Instead build only the appropriate UART into the firmware, selected by passing the option UART=potato or UART=lpc_serial to the Makefile. A future enhancement would be to parse the device tree and configure MicroPython based on the settings.
2020-05-26 04:29:55 +01:00
uart_$(UART).c \
all: Update to point to files in new shared/ directory. Signed-off-by: Damien George <damien@micropython.org>
2021-07-09 05:19:15 +01:00
shared/libc/printf.c \
shared/libc/string0.c \
shared/readline/readline.c \
shared/runtime/pyexec.c \
shared/runtime/stdout_helpers.c \
powerpc: Add initial port to bare metal PowerPC arch. Runs in microwatt (GHDL and FPGA) and qemu. Port done initially by Michael Neuling, with help from Anton Blanchard and Jordan Niethe.
2019-08-22 01:21:48 +01:00
$(BUILD)/_frozen_mpy.c \
OBJ = $(PY_CORE_O)
OBJ += $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
OBJ += $(BUILD)/head.o
all: $(BUILD)/firmware.elf $(BUILD)/firmware.map $(BUILD)/firmware.bin
$(BUILD)/_frozen_mpy.c: frozentest.mpy $(BUILD)/genhdr/qstrdefs.generated.h
$(ECHO) "MISC freezing bytecode"
$(Q)$(MPY_TOOL) -f -q $(BUILD)/genhdr/qstrdefs.preprocessed.h -mlongint-impl=mpz $< > $@
$(BUILD)/firmware.elf: $(OBJ) powerpc.lds
$(ECHO) "LINK $@"
powerpc: Fix Makefile rule when linking. The linker script was included in the "$^" inputs, causing the build to fail: LINK build/firmware.elf powerpc64le-linux-gnu-ld: error: linker script file 'powerpc.lds' appears multiple times As a fix the linker script is left as a dependency of the elf, but only the object files are linked.
2020-05-26 04:38:35 +01:00
$(Q)$(LD) $(LDFLAGS) -o $@ $(OBJ) $(LIBS)
powerpc: Add initial port to bare metal PowerPC arch. Runs in microwatt (GHDL and FPGA) and qemu. Port done initially by Michael Neuling, with help from Anton Blanchard and Jordan Niethe.
2019-08-22 01:21:48 +01:00
$(Q)$(SIZE) $@
$(BUILD)/firmware.bin: $(BUILD)/firmware.elf
$(Q)$(OBJCOPY) -O binary $^ $(BUILD)/firmware.bin
$(BUILD)/firmware.map: $(BUILD)/firmware.elf
$(Q)nm $^ | sort > $(BUILD)/firmware.map
include $(TOP)/py/mkrules.mk