83 lines
2.9 KiB
Makefile
83 lines
2.9 KiB
Makefile
##
|
|
## This file is part of the libopencm3 project.
|
|
##
|
|
## Copyright (C) 2014 Frantisek Burian <BuFran@seznam.cz>
|
|
##
|
|
## This library is free software: you can redistribute it and/or modify
|
|
## it under the terms of the GNU Lesser General Public License as published by
|
|
## the Free Software Foundation, either version 3 of the License, or
|
|
## (at your option) any later version.
|
|
##
|
|
## This library is distributed in the hope that it will be useful,
|
|
## but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
## GNU Lesser General Public License for more details.
|
|
##
|
|
## You should have received a copy of the GNU Lesser General Public License
|
|
## along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
##
|
|
|
|
ifeq ($(DEVICE),)
|
|
$(warning no DEVICE specified for linker script generator)
|
|
endif
|
|
|
|
LDSCRIPT = generated.$(DEVICE).ld
|
|
DEVICES_DATA = $(OPENCM3_DIR)/ld/devices.data
|
|
|
|
genlink_family :=$(shell $(OPENCM3_DIR)/scripts/genlink.py $(DEVICES_DATA) $(DEVICE) FAMILY)
|
|
genlink_subfamily :=$(shell $(OPENCM3_DIR)/scripts/genlink.py $(DEVICES_DATA) $(DEVICE) SUBFAMILY)
|
|
genlink_cpu :=$(shell $(OPENCM3_DIR)/scripts/genlink.py $(DEVICES_DATA) $(DEVICE) CPU)
|
|
genlink_fpu :=$(shell $(OPENCM3_DIR)/scripts/genlink.py $(DEVICES_DATA) $(DEVICE) FPU)
|
|
genlink_cppflags :=$(shell $(OPENCM3_DIR)/scripts/genlink.py $(DEVICES_DATA) $(DEVICE) CPPFLAGS)
|
|
|
|
CPPFLAGS += $(genlink_cppflags)
|
|
|
|
ARCH_FLAGS :=-mcpu=$(genlink_cpu)
|
|
ifeq ($(genlink_cpu),$(filter $(genlink_cpu),cortex-m0 cortex-m0plus cortex-m3 cortex-m4 cortex-m7))
|
|
ARCH_FLAGS +=-mthumb
|
|
endif
|
|
|
|
ifeq ($(genlink_fpu),soft)
|
|
ARCH_FLAGS += -msoft-float
|
|
else ifeq ($(genlink_fpu),hard-fpv4-sp-d16)
|
|
ARCH_FLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
|
|
else ifeq ($(genlink_fpu),hard-fpv5-sp-d16)
|
|
ARCH_FLAGS += -mfloat-abi=hard -mfpu=fpv5-sp-d16
|
|
else
|
|
$(warning No match for the FPU flags)
|
|
endif
|
|
|
|
|
|
ifeq ($(genlink_family),)
|
|
$(warning $(DEVICE) not found in $(DEVICES_DATA))
|
|
endif
|
|
|
|
# only append to LDFLAGS if the library file exists to not break builds
|
|
# where those are provided by different means
|
|
ifneq (,$(wildcard $(OPENCM3_DIR)/lib/libopencm3_$(genlink_family).a))
|
|
LIBNAME = opencm3_$(genlink_family)
|
|
else
|
|
ifneq (,$(wildcard $(OPENCM3_DIR)/lib/libopencm3_$(genlink_subfamily).a))
|
|
LIBNAME = opencm3_$(genlink_subfamily)
|
|
else
|
|
$(warning $(OPENCM3_DIR)/lib/libopencm3_$(genlink_family).a library variant for the selected device does not exist.)
|
|
endif
|
|
endif
|
|
|
|
LDLIBS += -l$(LIBNAME)
|
|
LIBDEPS += $(OPENCM3_DIR)/lib/lib$(LIBNAME).a
|
|
|
|
# only append to LDLIBS if the directory exists
|
|
ifneq (,$(wildcard $(OPENCM3_DIR)/lib))
|
|
LDFLAGS += -L$(OPENCM3_DIR)/lib
|
|
else
|
|
$(warning $(OPENCM3_DIR)/lib as given be OPENCM3_DIR does not exist.)
|
|
endif
|
|
|
|
# only append include path to CPPFLAGS if the directory exists
|
|
ifneq (,$(wildcard $(OPENCM3_DIR)/include))
|
|
CPPFLAGS += -I$(OPENCM3_DIR)/include
|
|
else
|
|
$(warning $(OPENCM3_DIR)/include as given be OPENCM3_DIR does not exist.)
|
|
endif
|