2024-02-29 12:22:16 +01:00
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# Use clang / llvm toolchain
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2024-03-02 15:44:43 +01:00
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# Zatím není podporováno - problém :
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# E: RV32I subset, only 16 general-purpose registers supported
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# v clang není korektně implementováno.
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#
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2024-02-29 12:22:16 +01:00
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CC = clang
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CXX = clang++
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LD = ld.lld
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#LD = riscv64-unknown-elf-gcc
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SIZE = llvm-size
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DUMP = riscv64-unknown-elf-objdump
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COPY = riscv64-unknown-elf-objcopy
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OBJS += startup.o system.o
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CCPU = -march=rv32ec -mabi=ilp32e
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MCPU = $(CCPU)
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TRIP = riscv32-unknown-none-elf
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CFLAGS+= -Oz -flto
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#CFLAGS+= -fconstexpr-steps=2097152
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CFLAGS+= --target=$(TRIP) -mllvm -mattr=+c,+e -mno-relax
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LFLAGS+= --Map=$(@:%.elf=%.map) --gc-sections -mllvm -mattr=+c
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LFLAGS+= -lto-O3 -nostdlib
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LDLIBS+= -L./$(TARGET) -T generated_ch32v003.ld
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