makefile

cpu的源码

# **********************************************
# Programs to build
# **********************************************

# PROGS = testgcdocp testadd testfib testfunc testmisc testovf testocp encoder
PROGS = encoder

# **********************************************
# Endianness EB | EL
# **********************************************

#ENDIAN  = EB
ENDIAN  = EL

# **********************************************
# Bootstrap object file
# **********************************************

BOOTSTRAP = crt0.o

# **********************************************
# Compiler toolchain
# **********************************************

ifeq ($(ENDIAN),EL)
CC        = mipsel-linux-gcc
LD        = mipsel-linux-ld
OBJCOPY   = mipsel-linux-objcopy
OBJDUMP   = mipsel-linux-objdump
endif

ifeq ($(ENDIAN),EB)
CC        = mips-linux-gcc
LD        = mips-linux-ld
OBJCOPY   = mips-linux-objcopy
OBJDUMP   = mips-linux-objdump
endif

# **********************************************
# Compiler and linker options
# **********************************************

W_OPTS    = -Wimplicit -Wformat -Wall -Wstrict-prototypes
W_OPTS_A  = -Wformat -Wall -Wstrict-prototypes


CC_OPTS   = -Wa,-32 -mabi=32 -march=r2000 -mtune=r2000 -mno-abicalls -fno-pic -G 0 -pipe \
	    -D$(ENDIAN) -fno-strict-aliasing -c -nostdinc

CC_OPTS_A = -Wa,-32 -mabi=32 -march=r2000 -mtune=r2000 -mno-abicalls -fno-pic -G 0 -pipe \
	    -D$(ENDIAN) -fno-strict-aliasing -c -nostdinc


LD_SCRIPT = link.xn
LD_OPTS   = -G 0 -static -T $(LD_SCRIPT)

ifeq ($(ENDIAN),EB)
LD_FORMAT = elf32-tradbigmips
endif

ifeq ($(ENDIAN),EL)
LD_FORMAT = elf32-tradlittlemips
endif


# **********************************************
# Rules
# **********************************************

%.o : %.c
	$(CC) $(W_OPTS) $(CC_OPTS) -o $@ $<

%.o : %.S
	$(CC) $(W_OPTS_A) $(CC_OPTS_A) -o $@ $<

%.o : %.s
	$(CC) $(W_OPTS_A) $(CC_OPTS_A) -o $@ $<

all: $(PROGS)


testgcdocp : $(BOOTSTRAP) testgcdocp.o
	$(LD) $(LD_OPTS) -o $@ $?
	$(OBJCOPY) -O binary $@ $@.bin

testadd : $(BOOTSTRAP) testadd.o
	$(LD) $(LD_OPTS) -o $@ $?
	$(OBJCOPY) -O binary $@ $@.bin

testfib : $(BOOTSTRAP) testfib.o
	$(LD) $(LD_OPTS) -o $@ $?
	$(OBJCOPY) -O binary $@ $@.bin

testfunc : $(BOOTSTRAP) testfunc.o
	$(LD) $(LD_OPTS) -o $@ $?
	$(OBJCOPY) -O binary $@ $@.bin

encoder : $(BOOTSTRAP) encoder.o io.o
	$(LD) $(LD_OPTS) -o $@ $?
	$(OBJCOPY) -O binary $@ $@.bin

testovf : $(BOOTSTRAP) testovf.o
	$(LD) $(LD_OPTS) -o $@ $?
	$(OBJCOPY) -O binary $@ $@.bin

testocp : $(BOOTSTRAP) testocp.o
	$(LD) $(LD_OPTS) -o $@ $?
	$(OBJCOPY) -O binary $@ $@.bin

clean :
	rm -f $(PROGS) *.bin *.o
	rm -f *~