# See LICENSE for license details. ifndef _SIFIVE_MK_COMMON _SIFIVE_MK_COMMON := # defined .PHONY: all all: $(TARGET) include $(BSP_BASE)/libwrap/libwrap.mk BOARD ?= freedom-e300-hifive1 ENV_DIR = $(BSP_BASE)/env PLATFORM_DIR = $(ENV_DIR)/$(BOARD) #TARGET_FLAVOR := -march=rv32imac -mabi=ilp32 -mcmodel=medany -msmall-data-limit=8 -x assembler-with-cpp TARGET_FLAVOR := -march=rv32imac -mabi=ilp32 ASM_SRCS += $(ENV_DIR)/start.S ASM_SRCS += $(ENV_DIR)/entry.S C_SRCS += $(PLATFORM_DIR)/init.c LINKER_SCRIPT := $(PLATFORM_DIR)/link.lds INCLUDES += -I$(BSP_BASE)/include INCLUDES += -I$(BSP_BASE)/drivers/ INCLUDES += -I$(ENV_DIR) INCLUDES += -I$(PLATFORM_DIR) TOOL_DIR ?= $(BSP_BASE)/../toolchain/bin CC := $(TOOL_DIR)/riscv64-unknown-elf-gcc ${TARGET_FLAVOR} AR := $(TOOL_DIR)/riscv64-unknown-elf-ar LDFLAGS += -T $(LINKER_SCRIPT) -nostartfiles LDFLAGS += -L$(ENV_DIR) ASM_OBJS := $(ASM_SRCS:.S=.o) C_OBJS := $(C_SRCS:.c=.o) LINK_OBJS += $(ASM_OBJS) $(C_OBJS) LINK_DEPS += $(LINKER_SCRIPT) CLEAN_OBJS += $(TARGET) $(LINK_OBJS) CFLAGS += -g $(TARGET): $(LINK_OBJS) $(LINK_DEPS) $(CC) $(CFLAGS) $(INCLUDES) $(LINK_OBJS) -o $@ $(LDFLAGS) $(ASM_OBJS): %.o: %.S $(HEADERS) $(CC) $(CFLAGS) $(INCLUDES) -c -o $@ $< $(C_OBJS): %.o: %.c $(HEADERS) $(CC) $(CFLAGS) $(INCLUDES) -include sys/cdefs.h -c -o $@ $< .PHONY: clean clean: rm -f $(CLEAN_OBJS) endif # _SIFIVE_MK_COMMON