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# See LICENSE for license details.
BOARD ?= freedom-e300-hifive1
ENV_DIR = $(BSP_BASE)/env
PLATFORM_DIR = $(ENV_DIR)/$(BOARD)
ASM_SRCS += $(PLATFORM_DIR)/start.S
ASM_SRCS += $(PLATFORM_DIR)/entry.S
C_SRCS += $(PLATFORM_DIR)/init.c
C_SRCS += $(ENV_DIR)/syscall.c
LINKER_SCRIPT := $(PLATFORM_DIR)/link.lds
INCLUDES += -I.
INCLUDES += -I$(BSP_BASE)/include
INCLUDES += -I$(ENV_DIR)
INCLUDES += -I$(PLATFORM_DIR)
CC := $(BSP_BASE)/../toolchain/bin/riscv32-unknown-elf-gcc
LDFLAGS += -T $(LINKER_SCRIPT) -nostdlib -nostartfiles -lc -lgcc
LDFLAGS += -L$(ENV_DIR)
ASM_OBJS := $(patsubst %.S,%.o,$(ASM_SRCS))
C_OBJS := $(patsubst %.c,%.o,$(C_SRCS))
LINK_OBJS += $(ASM_OBJS) $(C_OBJS)
CFLAGS += -g
$(TARGET): $(LINK_OBJS) $(LINKER_SCRIPT)
$(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) -c -o $@ $<
all: $(TARGET)
clean:
rm -f $(TARGET) $(LINK_OBJS)
.PHONY: all clean
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