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#############################################################
# Compiles an instance of Metal targeted at $(TARGET)
#############################################################
METAL_SOURCE_PATH ?= freedom-metal
METAL_LDSCRIPT = $(BSP_DIR)/metal.lds
METAL_HEADER = $(BSP_DIR)/metal.h
.PHONY: metal
metal: $(BSP_DIR)/install/stamp
$(BSP_DIR)/build/Makefile:
@rm -rf $(dir $@)
@mkdir -p $(dir $@)
cd $(dir $@) && \
CFLAGS="-march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -ffunction-sections -fdata-sections -g -mcmodel=$(RISCV_CMODEL)" \
$(abspath $(METAL_SOURCE_PATH)/configure) \
--host=$(CROSS_COMPILE) \
--prefix=$(abspath $(BSP_DIR)/install) \
--disable-maintainer-mode \
--with-preconfigured \
--with-machine-name=$(TARGET) \
--with-machine-header=$(abspath $(METAL_HEADER)) \
--with-machine-ldscript=$(abspath $(METAL_LDSCRIPT)) \
--with-builtin-libgloss
touch -c $@
$(BSP_DIR)/install/stamp: $(BSP_DIR)/build/Makefile
$(MAKE) -C $(abspath $(BSP_DIR)/build) install
date > $@
$(BSP_DIR)/install/lib/libriscv%.a: $(BSP_DIR)/install/stamp ;@:
$(BSP_DIR)/install/lib/libmetal.a: $(BSP_DIR)/install/lib/libriscv__mmachine__$(TARGET).a
cp $< $@
$(BSP_DIR)/install/lib/libmetal-gloss.a: $(BSP_DIR)/install/lib/libriscv__menv__metal.a
cp $< $@
.PHONY: clean-metal
clean-metal:
rm -rf $(BSP_DIR)/install
rm -rf $(BSP_DIR)/build
clean: clean-metal
metal_install: metal
$(MAKE) -C $(METAL_SOURCE_PATH) install
|
