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Makefile
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Makefile
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include mk/common.mk
CC ?= gcc
CFLAGS := -O2 -g -Wall -Wextra
CFLAGS += -include common.h
OBJS_EXTRA :=
ifeq ($(UNAME_S),Linux)
CFLAGS += -D ENABLE_VIRTIONET
OBJS_EXTRA += virtio-net.o
MINIMAL_DTS = minimal-virtio.dts
else
MINIMAL_DTS = minimal.dts
endif
BIN = semu
all: $(BIN) minimal.dtb
OBJS := \
riscv.o \
ram.o \
plic.o \
uart.o \
main.o \
$(OBJS_EXTRA)
deps := $(OBJS:%.o=.%.o.d)
$(BIN): $(OBJS)
$(VECHO) " LD\t$@\n"
$(Q)$(CC) -o $@ $^ $(LDFLAGS)
%.o: %.c
$(VECHO) " CC\t$@\n"
$(Q)$(CC) -o $@ $(CFLAGS) -c -MMD -MF .$@.d $<
DTC ?= dtc
minimal.dtb: $(MINIMAL_DTS)
$(VECHO) " DTC\t$@\n"
$(Q)$(DTC) $< > $@
# Rules for downloading prebuilt Linux kernel image
include mk/external.mk
check: $(BIN) minimal.dtb $(KERNEL_DATA)
@$(call notice, Ready to launch Linux kernel. Please be patient.)
$(Q)./$(BIN) $(KERNEL_DATA)
clean:
$(Q)$(RM) $(BIN) $(OBJS) $(deps)
distclean: clean
$(Q)$(RM) minimal.dtb
$(Q)$(RM) Image
-include $(deps)