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- ##
- ## 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
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