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SOURCES = $(wildcard *.c)
OBJECTS = $(patsubst %.c,obj/%.o,$(SOURCES))
TARGETS = $(patsubst %.c,bin/%,$(SOURCES))
CC = riscv64-unknown-elf-gcc
COMMONFLAGS += -Wall
# COMMONFLAGS += -Werror
COMMONFLAGS += -O3
COMMONFLAGS += -static
# Use the 32-bit variant of RISC-V, with no floating-point support.
COMMONFLAGS += -m32 -msoft-float -march=RV32I
# Add debugging symbols
COMMONFLAGS += -g3
# Use C11.
COMMONFLAGS += -std=c11
# Link options: disable system libraries, and use the program
# layout in test.x.
LINKFLAGS = $(FLAGS) -nostartfiles -nodefaultlibs
LINKFLAGS += -Wl,-T,cacheracer.x
# Merge the common flags and the per-file FLAGS_xxx settings.
FLAGS = $(COMMONFLAGS) $(FLAGS_$(basename $(notdir $@)))
all: $(TARGETS)
$(TARGETS): bin/%: obj/%.o
$(CC) $(LINKFLAGS) $< -o $@
$(OBJECTS): obj/%.o: %.c
$(CC) $(FLAGS) -c $< -o $@
clean:
rm -f obj/*.o bin/*
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