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qmk_firmware/platforms/chibios/platform.mk

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# Hey Emacs, this is a -*- makefile -*-
##############################################################################
# Architecture or project specific options
#
# Stack size to be allocated to the Cortex-M process stack. This stack is
# the stack used by the main() thread.
ifeq ($(USE_PROCESS_STACKSIZE),)
USE_PROCESS_STACKSIZE = 0x800
endif
# Stack size to the allocated to the Cortex-M main/exceptions stack. This
# stack is used for processing interrupts and exceptions.
ifeq ($(USE_EXCEPTIONS_STACKSIZE),)
USE_EXCEPTIONS_STACKSIZE = 0x400
endif
#
# Architecture or project specific options
##############################################################################
##############################################################################
# Project, sources and paths
#
# Imported source files and paths
OPT_OS = chibios
CHIBIOS = $(TOP_DIR)/lib/chibios
CHIBIOS_CONTRIB = $(TOP_DIR)/lib/chibios-contrib
#
# Startup, Port and Platform support selection
##############################################################################
ifeq ($(strip $(MCU)), risc-v)
# RISC-V Support
# As of 7.4.2021 there is only one supported RISC-V platform in Chibios-Contrib,
# therefore all required settings are hard-coded
STARTUP_MK = $(CHIBIOS_CONTRIB)/os/common/startup/RISCV-ECLIC/compilers/GCC/mk/startup_$(MCU_STARTUP).mk
PORT_V = $(CHIBIOS_CONTRIB)/os/common/ports/RISCV-ECLIC/compilers/GCC/mk/port.mk
RULESPATH = $(CHIBIOS_CONTRIB)/os/common/startup/RISCV-ECLIC/compilers/GCC
else
# ARM Support
CHIBIOS_PORT ?=
ifeq ("$(CHIBIOS_PORT)","")
CHIBIOS_PORT = ARMv$(ARMV)-M
endif
# Startup files. Try a few different locations, for compability with old versions and
# for things hardware in the contrib repository
STARTUP_MK = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/mk/startup_$(MCU_STARTUP).mk
ifeq ("$(wildcard $(STARTUP_MK))","")
STARTUP_MK = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC/mk/startup_$(MCU_STARTUP).mk
ifeq ("$(wildcard $(STARTUP_MK))","")
STARTUP_MK = $(CHIBIOS_CONTRIB)/os/common/startup/ARMCMx/compilers/GCC/mk/startup_$(MCU_STARTUP).mk
endif
endif
# Port files. Try a few different locations, for compability with old versions and
# for things hardware in the contrib repository
PORT_V = $(CHIBIOS)/os/common/ports/$(CHIBIOS_PORT)/compilers/GCC/mk/port.mk
ifeq ("$(wildcard $(PORT_V))","")
PORT_V = $(CHIBIOS)/os/rt/ports/ARMCMx/compilers/GCC/mk/port_v$(ARMV)m.mk
ifeq ("$(wildcard $(PORT_V))","")
PORT_V = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/mk/port_v$(ARMV)m.mk
endif
endif
# Rules location. Try a few different locations, for compability with old versions and
# for things hardware in the contrib repository
RULESPATH = $(CHIBIOS)/os/common/ports/$(CHIBIOS_PORT)/compilers/GCC
ifeq ("$(wildcard $(RULESPATH)/rules.mk)","")
RULESPATH = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC
ifeq ("$(wildcard $(RULESPATH)/rules.mk)","")
RULESPATH = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC
endif
endif
endif
ifeq ("$(PLATFORM_NAME)","")
PLATFORM_NAME = platform
endif
# If no MCU port name was specified, use the family instead
ifeq ("$(MCU_PORT_NAME)","")
MCU_PORT_NAME = $(MCU_FAMILY)
endif
ifeq ("$(wildcard $(PLATFORM_MK))","")
PLATFORM_MK = $(CHIBIOS)/os/hal/ports/$(MCU_PORT_NAME)/$(MCU_SERIES)/$(PLATFORM_NAME).mk
ifeq ("$(wildcard $(PLATFORM_MK))","")
PLATFORM_MK = $(CHIBIOS_CONTRIB)/os/hal/ports/$(MCU_PORT_NAME)/$(MCU_SERIES)/$(PLATFORM_NAME).mk
endif
endif
include $(STARTUP_MK)
include $(PORT_V)
include $(PLATFORM_MK)
#
# Board support selection.
##############################################################################
BOARD_MK :=
ifneq ("$(wildcard $(KEYBOARD_PATH_5)/boards/$(BOARD)/board.mk)","")
BOARD_PATH = $(KEYBOARD_PATH_5)
BOARD_MK += $(KEYBOARD_PATH_5)/boards/$(BOARD)/board.mk
else ifneq ("$(wildcard $(KEYBOARD_PATH_4)/boards/$(BOARD)/board.mk)","")
BOARD_PATH = $(KEYBOARD_PATH_4)
BOARD_MK += $(KEYBOARD_PATH_4)/boards/$(BOARD)/board.mk
else ifneq ("$(wildcard $(KEYBOARD_PATH_3)/boards/$(BOARD)/board.mk)","")
BOARD_PATH = $(KEYBOARD_PATH_3)
BOARD_MK += $(KEYBOARD_PATH_3)/boards/$(BOARD)/board.mk
else ifneq ("$(wildcard $(KEYBOARD_PATH_2)/boards/$(BOARD)/board.mk)","")
BOARD_PATH = $(KEYBOARD_PATH_2)
BOARD_MK += $(KEYBOARD_PATH_2)/boards/$(BOARD)/board.mk
else ifneq ("$(wildcard $(KEYBOARD_PATH_1)/boards/$(BOARD)/board.mk)","")
BOARD_PATH = $(KEYBOARD_PATH_1)
BOARD_MK += $(KEYBOARD_PATH_1)/boards/$(BOARD)/board.mk
else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/boards/$(BOARD)/board/board.mk)","")
BOARD_PATH = $(TOP_DIR)/platforms/chibios/boards/$(BOARD)
BOARD_MK += $(TOP_DIR)/platforms/chibios/boards/$(BOARD)/board/board.mk
KEYBOARD_PATHS += $(BOARD_PATH)/configs
ifneq ("$(wildcard $(BOARD_PATH)/rules.mk)","")
include $(BOARD_PATH)/rules.mk
endif
endif
ifeq ("$(wildcard $(BOARD_MK))","")
BOARD_MK = $(CHIBIOS)/os/hal/boards/$(BOARD)/board.mk
ifeq ("$(wildcard $(BOARD_MK))","")
BOARD_MK = $(CHIBIOS_CONTRIB)/os/hal/boards/$(BOARD)/board.mk
endif
endif
include $(BOARD_MK)
#
# Bootloader selection.
##############################################################################
# Set bootloader address if supplied.
ifdef STM32_BOOTLOADER_ADDRESS
OPT_DEFS += -DSTM32_BOOTLOADER_ADDRESS=$(STM32_BOOTLOADER_ADDRESS)
endif
ifdef WB32_BOOTLOADER_ADDRESS
OPT_DEFS += -DWB32_BOOTLOADER_ADDRESS=$(WB32_BOOTLOADER_ADDRESS)
endif
# Work out if we need to set up the include for the bootloader definitions
ifneq ("$(wildcard $(KEYBOARD_PATH_5)/bootloader_defs.h)","")
OPT_DEFS += -include $(KEYBOARD_PATH_5)/bootloader_defs.h
else ifneq ("$(wildcard $(KEYBOARD_PATH_5)/boards/$(BOARD)/bootloader_defs.h)","")
OPT_DEFS += -include $(KEYBOARD_PATH_5)/boards/$(BOARD)/bootloader_defs.h
else ifneq ("$(wildcard $(KEYBOARD_PATH_4)/bootloader_defs.h)","")
OPT_DEFS += -include $(KEYBOARD_PATH_4)/bootloader_defs.h
else ifneq ("$(wildcard $(KEYBOARD_PATH_4)/boards/$(BOARD)/bootloader_defs.h)","")
OPT_DEFS += -include $(KEYBOARD_PATH_4)/boards/$(BOARD)/bootloader_defs.h
else ifneq ("$(wildcard $(KEYBOARD_PATH_3)/bootloader_defs.h)","")
OPT_DEFS += -include $(KEYBOARD_PATH_3)/bootloader_defs.h
else ifneq ("$(wildcard $(KEYBOARD_PATH_3)/boards/$(BOARD)/bootloader_defs.h)","")
OPT_DEFS += -include $(KEYBOARD_PATH_3)/boards/$(BOARD)/bootloader_defs.h
else ifneq ("$(wildcard $(KEYBOARD_PATH_2)/bootloader_defs.h)","")
OPT_DEFS += -include $(KEYBOARD_PATH_2)/bootloader_defs.h
else ifneq ("$(wildcard $(KEYBOARD_PATH_2)/boards/$(BOARD)/bootloader_defs.h)","")
OPT_DEFS += -include $(KEYBOARD_PATH_2)/boards/$(BOARD)/bootloader_defs.h
else ifneq ("$(wildcard $(KEYBOARD_PATH_1)/bootloader_defs.h)","")
OPT_DEFS += -include $(KEYBOARD_PATH_1)/bootloader_defs.h
else ifneq ("$(wildcard $(KEYBOARD_PATH_1)/boards/$(BOARD)/bootloader_defs.h)","")
OPT_DEFS += -include $(KEYBOARD_PATH_1)/boards/$(BOARD)/bootloader_defs.h
else ifneq ("$(wildcard $(BOARD_PATH)/configs/bootloader_defs.h)","")
OPT_DEFS += -include $(BOARD_PATH)/configs/bootloader_defs.h
endif
#
# ChibiOS config selection.
##############################################################################
# Work out the config file directories
ifneq ("$(wildcard $(KEYBOARD_PATH_5)/chconf.h)","")
CHCONFDIR = $(KEYBOARD_PATH_5)
else ifneq ("$(wildcard $(KEYBOARD_PATH_4)/chconf.h)","")
CHCONFDIR = $(KEYBOARD_PATH_4)
else ifneq ("$(wildcard $(KEYBOARD_PATH_3)/chconf.h)","")
CHCONFDIR = $(KEYBOARD_PATH_3)
else ifneq ("$(wildcard $(KEYBOARD_PATH_2)/chconf.h)","")
CHCONFDIR = $(KEYBOARD_PATH_2)
else ifneq ("$(wildcard $(KEYBOARD_PATH_1)/chconf.h)","")
CHCONFDIR = $(KEYBOARD_PATH_1)
else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/boards/$(BOARD)/configs/chconf.h)","")
CHCONFDIR = $(TOP_DIR)/platforms/chibios/boards/$(BOARD)/configs
else ifneq ("$(wildcard $(TOP_DIR)/platforms/boards/chibios/common/configs/chconf.h)","")
CHCONFDIR = $(TOP_DIR)/platforms/chibios/boards/common/configs
endif
#
# HAL config selection.
##############################################################################
ifneq ("$(wildcard $(KEYBOARD_PATH_5)/halconf.h)","")
HALCONFDIR = $(KEYBOARD_PATH_5)
else ifneq ("$(wildcard $(KEYBOARD_PATH_4)/halconf.h)","")
HALCONFDIR = $(KEYBOARD_PATH_4)
else ifneq ("$(wildcard $(KEYBOARD_PATH_3)/halconf.h)","")
HALCONFDIR = $(KEYBOARD_PATH_3)
else ifneq ("$(wildcard $(KEYBOARD_PATH_2)/halconf.h)","")
HALCONFDIR = $(KEYBOARD_PATH_2)
else ifneq ("$(wildcard $(KEYBOARD_PATH_1)/halconf.h)","")
HALCONFDIR = $(KEYBOARD_PATH_1)
else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/boards/$(BOARD)/configs/halconf.h)","")
HALCONFDIR = $(TOP_DIR)/platforms/chibios/boards/$(BOARD)/configs
else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/boards/common/configs/halconf.h)","")
HALCONFDIR = $(TOP_DIR)/platforms/chibios/boards/common/configs
endif
#
# Linker script selection.
##############################################################################
ifneq ("$(wildcard $(KEYBOARD_PATH_5)/ld/$(MCU_LDSCRIPT).ld)","")
LDSCRIPT = $(KEYBOARD_PATH_5)/ld/$(MCU_LDSCRIPT).ld
else ifneq ("$(wildcard $(KEYBOARD_PATH_4)/ld/$(MCU_LDSCRIPT).ld)","")
LDSCRIPT = $(KEYBOARD_PATH_4)/ld/$(MCU_LDSCRIPT).ld
else ifneq ("$(wildcard $(KEYBOARD_PATH_3)/ld/$(MCU_LDSCRIPT).ld)","")
LDSCRIPT = $(KEYBOARD_PATH_3)/ld/$(MCU_LDSCRIPT).ld
else ifneq ("$(wildcard $(KEYBOARD_PATH_2)/ld/$(MCU_LDSCRIPT).ld)","")
LDSCRIPT = $(KEYBOARD_PATH_2)/ld/$(MCU_LDSCRIPT).ld
else ifneq ("$(wildcard $(KEYBOARD_PATH_1)/ld/$(MCU_LDSCRIPT).ld)","")
LDSCRIPT = $(KEYBOARD_PATH_1)/ld/$(MCU_LDSCRIPT).ld
else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/boards/$(BOARD)/ld/$(MCU_LDSCRIPT).ld)","")
LDFLAGS += -L$(TOP_DIR)/platforms/chibios/boards/$(BOARD)/ld
LDSCRIPT = $(TOP_DIR)/platforms/chibios/boards/$(BOARD)/ld/$(MCU_LDSCRIPT).ld
else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/boards/common/ld/$(MCU_LDSCRIPT).ld)","")
LDSCRIPT = $(TOP_DIR)/platforms/chibios/boards/common/ld/$(MCU_LDSCRIPT).ld
else ifneq ("$(wildcard $(STARTUPLD_CONTRIB)/$(MCU_LDSCRIPT).ld)","")
LDSCRIPT = $(STARTUPLD_CONTRIB)/$(MCU_LDSCRIPT).ld
USE_CHIBIOS_CONTRIB = yes
else
LDSCRIPT = $(STARTUPLD)/$(MCU_LDSCRIPT).ld
endif
#
# Include ChibiOS makefiles.
##############################################################################
# HAL-OSAL files (optional).
include $(CHIBIOS)/os/hal/hal.mk
-include $(CHIBIOS)/os/hal/osal/rt/osal.mk # ChibiOS <= 19.x
-include $(CHIBIOS)/os/hal/osal/rt-nil/osal.mk # ChibiOS >= 20.x
# RTOS files (optional).
include $(CHIBIOS)/os/rt/rt.mk
# Other files (optional).
include $(CHIBIOS)/os/hal/lib/streams/streams.mk
PLATFORM_SRC = \
$(STARTUPSRC) \
$(KERNSRC) \
$(PORTSRC) \
$(OSALSRC) \
$(HALSRC) \
$(PLATFORMSRC) \
$(BOARDSRC) \
$(STREAMSSRC) \
$(CHIBIOS)/os/various/syscalls.c \
$(PLATFORM_COMMON_DIR)/syscall-fallbacks.c \
$(PLATFORM_COMMON_DIR)/wait.c \
$(PLATFORM_COMMON_DIR)/synchronization_util.c
# Ensure the ASM files are not subjected to LTO -- it'll strip out interrupt handlers otherwise.
QUANTUM_LIB_SRC += $(STARTUPASM) $(PORTASM) $(OSALASM) $(PLATFORMASM)
PLATFORM_SRC := $(patsubst $(TOP_DIR)/%,%,$(PLATFORM_SRC))
EXTRAINCDIRS += $(CHIBIOS)/os/license $(CHIBIOS)/os/oslib/include \
$(TOP_DIR)/platforms/chibios/boards/$(BOARD)/configs \
$(TOP_DIR)/platforms/chibios/boards/common/configs \
$(HALCONFDIR) $(CHCONFDIR) \
$(STARTUPINC) $(KERNINC) $(PORTINC) $(OSALINC) \
$(HALINC) $(PLATFORMINC) $(BOARDINC) $(TESTINC) \
$(STREAMSINC) $(CHIBIOS)/os/various $(COMMON_VPATH)
#
# ChibiOS-Contrib
##############################################################################
# Work out if we're using ChibiOS-Contrib by checking if halconf_community.h exists
ifneq ("$(wildcard $(KEYBOARD_PATH_5)/halconf_community.h)","")
USE_CHIBIOS_CONTRIB = yes
else ifneq ("$(wildcard $(KEYBOARD_PATH_4)/halconf_community.h)","")
USE_CHIBIOS_CONTRIB = yes
else ifneq ("$(wildcard $(KEYBOARD_PATH_3)/halconf_community.h)","")
USE_CHIBIOS_CONTRIB = yes
else ifneq ("$(wildcard $(KEYBOARD_PATH_2)/halconf_community.h)","")
USE_CHIBIOS_CONTRIB = yes
else ifneq ("$(wildcard $(KEYBOARD_PATH_1)/halconf_community.h)","")
USE_CHIBIOS_CONTRIB = yes
else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/boards/$(BOARD)/configs/halconf_community.h)","")
USE_CHIBIOS_CONTRIB = yes
endif
ifeq ($(strip $(USE_CHIBIOS_CONTRIB)),yes)
include $(CHIBIOS_CONTRIB)/os/hal/hal.mk
PLATFORM_SRC += $(PLATFORMSRC_CONTRIB) $(HALSRC_CONTRIB)
EXTRAINCDIRS += $(PLATFORMINC_CONTRIB) $(HALINC_CONTRIB) $(CHIBIOS_CONTRIB)/os/various
endif
#
# Project, sources and paths
##############################################################################
##############################################################################
# Injected configs
#
ifneq ("$(wildcard $(BOARD_PATH)/configs/config.h)","")
CONFIG_H += $(BOARD_PATH)/configs/config.h
endif
ifneq ("$(wildcard $(BOARD_PATH)/configs/post_config.h)","")
POST_CONFIG_H += $(BOARD_PATH)/configs/post_config.h
endif
##############################################################################
# Compiler and Linker configuration
#
# Use defined stack sizes of the main thread in linker scripts
SHARED_LDSYMBOLS = -Wl,--defsym=__process_stack_size__=$(USE_PROCESS_STACKSIZE),--defsym=__main_stack_size__=$(USE_EXCEPTIONS_STACKSIZE)
# Shared Compiler flags for all toolchains
SHARED_CFLAGS = -fomit-frame-pointer \
-ffunction-sections \
-fdata-sections \
-fno-common \
-fshort-wchar
# Shared Linker flags for all toolchains
SHARED_LDFLAGS = -T $(LDSCRIPT) \
-Wl,--gc-sections \
-nostartfiles
ifeq ($(strip $(MCU)), risc-v)
# RISC-V toolchain specific configuration
# Find suitable GCC compiler
ifeq ($(strip $(TOOLCHAIN)),)
ifneq ($(shell which riscv32-unknown-elf-gcc 2>/dev/null),)
TOOLCHAIN = riscv32-unknown-elf-
else
ifneq ($(shell which riscv64-unknown-elf-gcc 2>/dev/null),)
TOOLCHAIN = riscv64-unknown-elf-
else
$(call CATASTROPHIC_ERROR,Missing toolchain,No RISC-V toolchain found. Can't find riscv32-unknown-elf-gcc or riscv64-unknown-elf-gcc found in your systems PATH variable. Please install a valid toolchain and make it accessible!)
endif
endif
endif
# Default to compiling with picolibc for RISC-V targets if available, which
# is available by default on distributions based on Debian 11+.
ifeq ($(shell $(TOOLCHAIN)gcc --specs=picolibc.specs -E - 2>/dev/null >/dev/null </dev/null ; echo $$?),0)
# Toolchain specific Compiler flags Note that we still link with our own
# linker script by providing it via the -T flag in SHARED_LDFLAGS.
TOOLCHAIN_CFLAGS = --specs=picolibc.specs
# picolibc internally uses __heap_start and __heap_end instead of the
# defacto chibios linker script standard __heap_base__ and __heap_end__
# therefore we introduce these symbols as an alias.
TOOLCHAIN_LDSYMBOLS = -Wl,--defsym=__heap_start=__heap_base__,--defsym=__heap_end=__heap_end__
# Tell QMK that we are compiling with picolibc.
OPT_DEFS += -DUSE_PICOLIBC
endif
# MCU architecture flags
MCUFLAGS = -march=$(MCU_ARCH) \
-mabi=$(MCU_ABI) \
-mcmodel=$(MCU_CMODEL) \
-mstrict-align
else
# ARM toolchain specific configuration
TOOLCHAIN ?= arm-none-eabi-
# Toolchain specific Linker flags
TOOLCHAIN_LDFLAGS = -Wl,--no-wchar-size-warning \
--specs=nano.specs
# MCU architecture flags
MCUFLAGS = -mcpu=$(MCU) \
-mthumb -DTHUMB_PRESENT \
-mno-thumb-interwork -DTHUMB_NO_INTERWORKING \
-mno-unaligned-access
# Some ARM cores like the M4 and M7 have floating point units which can be enabled
USE_FPU ?= no
ifneq ($(USE_FPU),no)
OPT_DEFS += -DCORTEX_USE_FPU=TRUE
# Default is single precision floats
USE_FPU_OPT ?= -mfloat-abi=hard \
-mfpu=fpv4-sp-d16 \
-fsingle-precision-constant
MCUFLAGS += $(USE_FPU_OPT)
else
OPT_DEFS += -DCORTEX_USE_FPU=FALSE
endif
endif
# Assembler flags
ASFLAGS += $(SHARED_ASFLAGS) $(TOOLCHAIN_ASFLAGS)
# C Compiler flags
CFLAGS += $(SHARED_CFLAGS) $(TOOLCHAIN_CFLAGS)
# C++ Compiler flags
CXXFLAGS += $(CFLAGS) $(SHARED_CXXFLAGS) $(TOOLCHAIN_CXXFLAGS) -fno-rtti
# Linker flags
LDFLAGS += $(SHARED_LDFLAGS) $(SHARED_LDSYMBOLS) $(TOOLCHAIN_LDFLAGS) $(TOOLCHAIN_LDSYMBOLS) $(MCUFLAGS)
# Tell QMK that we are hosting it on ChibiOS.
OPT_DEFS += -DPROTOCOL_CHIBIOS
# ChibiOS supports synchronization primitives like a Mutex
OPT_DEFS += -DPLATFORM_SUPPORTS_SYNCHRONIZATION
# Workaround to stop ChibiOS from complaining about new GCC -- it's been fixed for 7/8/9 already
OPT_DEFS += -DPORT_IGNORE_GCC_VERSION_CHECK=1
# Construct GCC toolchain
CC = $(CC_PREFIX) $(TOOLCHAIN)gcc
OBJCOPY = $(TOOLCHAIN)objcopy
OBJDUMP = $(TOOLCHAIN)objdump
SIZE = $(TOOLCHAIN)size
AR = $(TOOLCHAIN)ar
NM = $(TOOLCHAIN)nm
HEX = $(OBJCOPY) -O $(FORMAT)
EEP =
BIN = $(OBJCOPY) -O binary
##############################################################################
# Make targets
#
DEBUG = gdb
# List any extra directories to look for libraries here.
EXTRALIBDIRS = $(RULESPATH)/ld
bin: $(BUILD_DIR)/$(TARGET).bin sizeafter
$(COPY) $(BUILD_DIR)/$(TARGET).bin $(TARGET).bin;
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