24 lines
868 B
Makefile
24 lines
868 B
Makefile
CROSS_COMPILE := riscv64-linux-gnu-
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COMMON_FLAGS := -fno-pic -march=rv64ifd -mcmodel=medany
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CFLAGS += $(COMMON_FLAGS) -static
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ASFLAGS += $(COMMON_FLAGS) -O0
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LDFLAGS += -melf64lriscv
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AM_SRCS := mycpu/start.S \
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mycpu/trm.c \
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mycpu/libgcc/muldi3.S \
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mycpu/libgcc/div.S \
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mycpu/ioe.c \
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mycpu/timer.c \
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mycpu/input.c
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CFLAGS += -fdata-sections -ffunction-sections
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LDFLAGS += -T $(AM_HOME)/scripts/platform/nemu.ld --defsym=_pmem_start=0x80000000 --defsym=_entry_offset=0x0
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LDFLAGS += --gc-sections -e _start
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CFLAGS += -DMAINARGS=\"$(mainargs)\"
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.PHONY: $(AM_HOME)/am/src/mycpu/trm.c
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image: $(IMAGE).elf
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@$(OBJDUMP) -d $(IMAGE).elf > $(IMAGE).txt
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@echo + OBJCOPY "->" $(IMAGE_REL).bin
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@$(OBJCOPY) -S --set-section-flags .bss=alloc,contents -O binary $(IMAGE).elf $(IMAGE).bin
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