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-rw-r--r--tmk_core/chibios.mk308
1 files changed, 199 insertions, 109 deletions
diff --git a/tmk_core/chibios.mk b/tmk_core/chibios.mk
index 18839710be..957a259229 100644
--- a/tmk_core/chibios.mk
+++ b/tmk_core/chibios.mk
@@ -27,29 +27,62 @@ endif
OPT_OS = chibios
CHIBIOS = $(TOP_DIR)/lib/chibios
CHIBIOS_CONTRIB = $(TOP_DIR)/lib/chibios-contrib
-# 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
+
+#
+# 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
+ PLATFORM_MK = $(CHIBIOS_CONTRIB)/os/hal/ports/GD/GD32VF103/platform.mk
+else
+ # ARM Support
+ # 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
+
+ # Compability with old version
+ 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
+
+ RULESPATH = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC
+ ifeq ("$(wildcard $(RULESPATH)/rules.mk)","")
+ RULESPATH = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC
+ endif
endif
-include $(STARTUP_MK)
-# HAL-OSAL files (optional).
-include $(CHIBIOS)/os/hal/hal.mk
ifeq ("$(PLATFORM_NAME)","")
- PLATFORM_NAME = platform
+ PLATFORM_NAME = platform
endif
-PLATFORM_MK = $(CHIBIOS)/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)/$(PLATFORM_NAME).mk
ifeq ("$(wildcard $(PLATFORM_MK))","")
-PLATFORM_MK = $(CHIBIOS_CONTRIB)/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)/$(PLATFORM_NAME).mk
+ PLATFORM_MK = $(CHIBIOS)/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)/$(PLATFORM_NAME).mk
+ ifeq ("$(wildcard $(PLATFORM_MK))","")
+ PLATFORM_MK = $(CHIBIOS_CONTRIB)/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)/$(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)","")
@@ -77,13 +110,19 @@ else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/boards/$(BOARD)/board/board
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
+ 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
-# Bootloader address
+include $(BOARD_MK)
+
+#
+# Bootloader selection.
+##############################################################################
+
+# Set bootloader address if supplied.
ifdef STM32_BOOTLOADER_ADDRESS
OPT_DEFS += -DSTM32_BOOTLOADER_ADDRESS=$(STM32_BOOTLOADER_ADDRESS)
endif
@@ -113,6 +152,10 @@ 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 = $(KEYBOARD_PATH_5)
@@ -130,6 +173,10 @@ else ifneq ("$(wildcard $(TOP_DIR)/platforms/boards/chibios/common/configs/chcon
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 $(KEYBOARD_PATH_4)/halconf.h)","")
@@ -146,40 +193,10 @@ else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/boards/common/configs/halco
HALCONFDIR = $(TOP_DIR)/platforms/chibios/boards/common/configs
endif
-# HAL-OSAL files (optional).
-include $(CHIBIOS)/os/hal/hal.mk
-
-ifeq ("$(PLATFORM_NAME)","")
- PLATFORM_NAME = platform
-endif
-
-PLATFORM_MK = $(CHIBIOS)/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)/$(PLATFORM_NAME).mk
-ifeq ("$(wildcard $(PLATFORM_MK))","")
-PLATFORM_MK = $(CHIBIOS_CONTRIB)/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)/$(PLATFORM_NAME).mk
-endif
-include $(PLATFORM_MK)
-
-
-include $(BOARD_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
-# Compability with old version
-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
-include $(PORT_V)
-# Other files (optional).
-include $(CHIBIOS)/os/hal/lib/streams/streams.mk
-
-RULESPATH = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC
-ifeq ("$(wildcard $(RULESPATH)/rules.mk)","")
-RULESPATH = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC
-endif
+#
+# Linker script selection.
+##############################################################################
-# Define linker script file here
ifneq ("$(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)","")
@@ -202,22 +219,36 @@ else
LDSCRIPT = $(STARTUPLD)/$(MCU_LDSCRIPT).ld
endif
-CHIBISRC = $(STARTUPSRC) \
- $(KERNSRC) \
- $(PORTSRC) \
- $(OSALSRC) \
- $(HALSRC) \
- $(PLATFORMSRC) \
- $(BOARDSRC) \
- $(STREAMSSRC) \
- $(CHIBIOS)/os/various/syscalls.c \
- $(PLATFORM_COMMON_DIR)/syscall-fallbacks.c \
- $(PLATFORM_COMMON_DIR)/wait.c
+#
+# 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
# Ensure the ASM files are not subjected to LTO -- it'll strip out interrupt handlers otherwise.
QUANTUM_LIB_SRC += $(STARTUPASM) $(PORTASM) $(OSALASM) $(PLATFORMASM)
-CHIBISRC := $(patsubst $(TOP_DIR)/%,%,$(CHIBISRC))
+PLATFORM_SRC := $(patsubst $(TOP_DIR)/%,%,$(PLATFORM_SRC))
EXTRAINCDIRS += $(CHIBIOS)/os/license $(CHIBIOS)/os/oslib/include \
$(TOP_DIR)/platforms/chibios/boards/$(BOARD)/configs \
@@ -247,9 +278,9 @@ else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/boards/$(BOARD)/configs/hal
endif
ifeq ($(strip $(USE_CHIBIOS_CONTRIB)),yes)
- include $(CHIBIOS_CONTRIB)/os/hal/hal.mk
- CHIBISRC += $(PLATFORMSRC_CONTRIB) $(HALSRC_CONTRIB)
- EXTRAINCDIRS += $(PLATFORMINC_CONTRIB) $(HALINC_CONTRIB) $(CHIBIOS_CONTRIB)/os/various
+ include $(CHIBIOS_CONTRIB)/os/hal/hal.mk
+ PLATFORM_SRC += $(PLATFORMSRC_CONTRIB) $(HALSRC_CONTRIB)
+ EXTRAINCDIRS += $(PLATFORMINC_CONTRIB) $(HALINC_CONTRIB) $(CHIBIOS_CONTRIB)/os/various
endif
#
@@ -267,61 +298,120 @@ ifneq ("$(wildcard $(BOARD_PATH)/configs/post_config.h)","")
endif
##############################################################################
-# Compiler settings
+# Compiler and Linker configuration
#
-CC = arm-none-eabi-gcc
-OBJCOPY = arm-none-eabi-objcopy
-OBJDUMP = arm-none-eabi-objdump
-SIZE = arm-none-eabi-size
-AR = arm-none-eabi-ar
-NM = arm-none-eabi-nm
-HEX = $(OBJCOPY) -O $(FORMAT)
-EEP =
-BIN = $(OBJCOPY) -O binary
-
-THUMBFLAGS = -DTHUMB_PRESENT -mno-thumb-interwork -DTHUMB_NO_INTERWORKING -mthumb -DTHUMB
-
-COMPILEFLAGS += -fomit-frame-pointer
-COMPILEFLAGS += -falign-functions=16
-COMPILEFLAGS += -ffunction-sections
-COMPILEFLAGS += -fdata-sections
-COMPILEFLAGS += -fno-common
-COMPILEFLAGS += -fshort-wchar
-COMPILEFLAGS += $(THUMBFLAGS)
-
-# FPU options default (Cortex-M4 and Cortex-M7 single precision).
-USE_FPU_OPT ?= -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant
-
-# FPU-related options
-USE_FPU ?= no
-ifneq ($(USE_FPU),no)
- COMPILEFLAGS += $(USE_FPU_OPT)
- OPT_DEFS += -DCORTEX_USE_FPU=TRUE
+
+# Use defined stack sizes of the main thread in linker scripts
+LDSYMBOLS =--defsym=__process_stack_size__=$(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 $(LDSCRIPT) \
+ -Wl,$(LDSYMBOLS) \
+ -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
+ $(error "No RISC-V toolchain found. Can't find riscv32-unknown-elf-gcc or riscv64-unknown-elf-gcc found in your systems PATH variable. Please install a valid toolchain and make it accessible!")
+ endif
+ endif
+ endif
+
+ # Default to compiling with picolibc for RISC-V targets if available,
+ # which is available by default on current (bullseye) debian based systems.
+ ifeq ($(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 above.
+ TOOLCHAIN_CFLAGS = --specs=picolibc.specs
+
+ # Tell QMK that we are compiling with picolibc.
+ OPT_DEFS += -DUSE_PICOLIBC
+ endif
+
+ # MCU architecture flags
+ MCUFLAGS = -march=$(MCU_ARCH) \
+ -mabi=$(MCU_ABI) \
+ -mcmodel=$(MCU_CMODEL) \
+ -mstrict-align
else
- OPT_DEFS += -DCORTEX_USE_FPU=FALSE
+ # ARM toolchain specific configuration
+ TOOLCHAIN ?= arm-none-eabi-
+
+ # Toolchain specific Linker flags
+ TOOLCHAIN_LDFLAGS = -Wl,--no-wchar-size-warning \
+ --specs=nano.specs
+
+ # MCU architecture flags
+ MCUFLAGS = -mcpu=$(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
-CFLAGS += $(COMPILEFLAGS)
+# Assembler flags
+ASFLAGS += $(SHARED_ASFLAGS) $(TOOLCHAIN_ASFLAGS)
-ASFLAGS += $(THUMBFLAGS)
+# C Compiler flags
+CFLAGS += $(SHARED_CFLAGS) $(TOOLCHAIN_CFLAGS)
-CXXFLAGS += $(COMPILEFLAGS)
-CXXFLAGS += -fno-rtti
+# C++ Compiler flags
+CXXFLAGS += $(CFLAGS) $(SHARED_CXXFLAGS) $(TOOLCHAIN_CXXFLAGS) -fno-rtti
-LDFLAGS +=-Wl,--gc-sections
-LDFLAGS +=-Wl,--no-wchar-size-warning
-LDFLAGS += -mno-thumb-interwork -mthumb
-LDSYMBOLS =,--defsym=__process_stack_size__=$(USE_PROCESS_STACKSIZE)
-LDSYMBOLS :=$(LDSYMBOLS),--defsym=__main_stack_size__=$(USE_EXCEPTIONS_STACKSIZE)
-LDFLAGS += -Wl,--script=$(LDSCRIPT)$(LDSYMBOLS)
-LDFLAGS += --specs=nano.specs
+# Linker flags
+LDFLAGS += $(SHARED_LDFLAGS) $(TOOLCHAIN_LDFLAGS) $(MCUFLAGS)
+# Tell QMK that we are hosting it on ChibiOS.
OPT_DEFS += -DPROTOCOL_CHIBIOS
# Workaround to stop ChibiOS from complaining about new GCC -- it's been fixed for 7/8/9 already
OPT_DEFS += -DPORT_IGNORE_GCC_VERSION_CHECK=1
-MCUFLAGS = -mcpu=$(MCU)
+# 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