# The Potato Processor Benchmark Applications
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# The Potato Processor Benchmark Applications
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# (c) Kristian Klomsten Skordal 2015
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# (c) Kristian Klomsten Skordal 2015
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# Report bugs and issues on
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# Report bugs and issues on
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.PHONY: all clean
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.PHONY: all clean
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TARGET_PREFIX ?= riscv64-unknown-elf
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TARGET_PREFIX ?= riscv64-unknown-elf
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TARGET_CC := $(TARGET_PREFIX)-gcc
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TARGET_CC := $(TARGET_PREFIX)-gcc
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TARGET_LD := $(TARGET_PREFIX)-ld
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TARGET_LD := $(TARGET_PREFIX)-gcc
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TARGET_SIZE := $(TARGET_PREFIX)-size
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TARGET_SIZE := $(TARGET_PREFIX)-size
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TARGET_OBJCOPY := $(TARGET_PREFIX)-objcopy
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TARGET_OBJCOPY := $(TARGET_PREFIX)-objcopy
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HEXDUMP ?= hexdump
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HEXDUMP ?= hexdump
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TARGET_CFLAGS += -m32 -march=RV32I -Wall -O2 -fomit-frame-pointer \
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TARGET_CFLAGS += -m32 -march=RV32I -Wall -Os -fomit-frame-pointer \
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-ffreestanding -fno-builtin -I.. -std=gnu99
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-ffreestanding -fno-builtin -I.. -std=gnu99 \
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TARGET_LDFLAGS += -m elf32lriscv -T../benchmark.ld
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-Wall -Werror=implicit-function-declaration
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TARGET_LDFLAGS += -m32 -march=RV32I -nostartfiles -Wl,-m,elf32lriscv \
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-Wl,-T../benchmark.ld
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OBJECTS := main.o start.o
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OBJECTS := main.o start.o
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all: hello.coe
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all: hello.coe
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hello.elf: $(OBJECTS)
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hello.elf: $(OBJECTS)
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$(TARGET_LD) -o hello.elf $(TARGET_LDFLAGS) $(OBJECTS)
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$(TARGET_LD) -o hello.elf $(TARGET_LDFLAGS) $(OBJECTS)
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$(TARGET_SIZE) hello.elf
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$(TARGET_SIZE) hello.elf
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hello.bin: hello.elf
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hello.bin: hello.elf
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$(TARGET_OBJCOPY) -j .text -j .data -O binary hello.elf hello.bin
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$(TARGET_OBJCOPY) -j .text -j .data -O binary hello.elf hello.bin
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hello.coe: hello.bin
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hello.coe: hello.bin
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echo "memory_initialization_radix=16;" > hello.coe
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echo "memory_initialization_radix=16;" > hello.coe
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echo "memory_initialization_vector=" >> hello.coe
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echo "memory_initialization_vector=" >> hello.coe
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$(HEXDUMP) -v -e '1/4 "%08x\n"' hello.bin >> hello.coe
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$(HEXDUMP) -v -e '1/4 "%08x\n"' hello.bin >> hello.coe
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echo ";" >> hello.coe
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echo ";" >> hello.coe
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clean:
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clean:
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-$(RM) $(OBJECTS)
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-$(RM) $(OBJECTS)
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-$(RM) hello.elf hello.bin hello.coe
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-$(RM) hello.elf hello.bin hello.coe
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# Object file rules:
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# Object file rules:
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main.o: main.c ../platform.h ../potato.h
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main.o: main.c ../platform.h ../potato.h
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$(TARGET_CC) -c -o $@ $(TARGET_CFLAGS) $<
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$(TARGET_CC) -c -o $@ $(TARGET_CFLAGS) $<
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start.o: ../start.S ../platform.h
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start.o: ../start.S ../platform.h
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$(TARGET_CC) -c -o $@ $(TARGET_CFLAGS) $<
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$(TARGET_CC) -c -o $@ $(TARGET_CFLAGS) $<
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