2021-08-12 21:07:47 +02:00
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CROSS=riscv64-unknown-elf-
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FLAGS=\
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-mabi=ilp32 \
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-march=rv32i \
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-std=c11 \
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-Os \
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-Wall \
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-Wstrict-prototypes \
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-fverbose-asm \
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-ffunction-sections \
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-fdata-sections \
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-Wl,--gc-sections \
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-ffreestanding \
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-nostartfiles \
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-nostdlib
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all: cntrllr.bin print_size
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cntrllr.elf: cntrllr.ld main.c rtc.c startup.S
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2021-08-18 13:54:07 +02:00
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@$(CROSS)gcc $(FLAGS) -Tcntrllr.ld main.c rtc.c startup.S -o cntrllr.elf
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2021-08-12 21:07:47 +02:00
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cntrllr.bin: cntrllr.elf
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2021-08-18 13:54:07 +02:00
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@$(CROSS)objcopy -O binary --gap-fill 0xFF --pad-to 0x4004 cntrllr.elf cntrllr.bin
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2021-08-12 21:07:47 +02:00
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print_size:
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@echo 'Size of target .elf file:'
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2021-08-18 13:54:07 +02:00
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@$(CROSS)size -B cntrllr.elf
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@echo $(shell $(CROSS)size -B cntrllr.elf | awk 'NR==2 { printf "\nTotal memory used: %.2f%%\n",(100/(16*1024))*($$4-4) }')
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2021-08-12 21:07:47 +02:00
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clean:
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2021-08-18 13:54:07 +02:00
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@rm -f cntrllr.bin cntrllr.elf
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2021-08-12 21:07:47 +02:00
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.PHONY: clean
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