# Use gcc / binutils toolchain
PREFIX = riscv64-unknown-elf-
CC  = $(PREFIX)gcc
CXX = $(PREFIX)g++
LD   = $(PREFIX)gcc
SIZE = $(PREFIX)size
DUMP = $(PREFIX)objdump
COPY = $(PREFIX)objcopy
OBJS  += startup.o system.o
CFLAGS+= -Os
CCPU   = -march=rv32ec -mabi=ilp32e
MCPU   = $(CCPU)
CFLAGS+= $(MCPU)
LFLAGS+= -Wl,--Map=$(@:%.elf=%.map),--gc-sections
#LFLAGS+= -Wl,--print-sysroot -- chyba ld ?
LFLAGS+= -O3 $(MCPU) -nostartfiles -nostdlib
LDLIBS+= -lgcc -L./$(TARGET) -T generated_ch32v003.ld