20 lines
606 B
Makefile
20 lines
606 B
Makefile
# Use gcc / binutils toolchain
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PREFIX = riscv64-unknown-elf-
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CC = $(PREFIX)gcc
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CXX = $(PREFIX)g++
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LD = $(PREFIX)gcc
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SIZE = $(PREFIX)size
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DUMP = $(PREFIX)objdump
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COPY = $(PREFIX)objcopy
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OBJS += startup.o system.o
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CFLAGS+= -Os
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CFLAGS+= -flto
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CCPU = -march=rv32imac -mabi=ilp32
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MCPU = $(CCPU)
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CFLAGS+= $(MCPU) -msmall-data-limit=8 -mno-save-restore -fmessage-length=0 -fsigned-char -I/usr/include/newlib
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LFLAGS+= -Wl,--Map=$(@:%.elf=%.map),--gc-sections
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#LFLAGS+= -Wl,--print-sysroot -- chyba ld ?
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LFLAGS+= -flto
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LFLAGS+= -Os $(MCPU) -nostartfiles -nostdlib
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LDLIBS+= -lgcc -L./$(TARGET) -T script.ld
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