CRIS v32: Update boot rescue Kbuild makefile.
- Remove old specific targets, use more generic ones instead. - Use if_changed to avoid creating new images when no change. - Use EXTRA_CFLAGS instead of CFLAGS.
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@ -1,36 +1,27 @@
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#
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# Makefile for rescue code
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# Makefile for rescue (bootstrap) code
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#
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target = $(target_rescue_dir)
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src = $(src_rescue_dir)
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CC = gcc-cris -mlinux -march=v32 $(LINUXINCLUDE)
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CFLAGS = -O2
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EXTRA_CFLAGS = -O2
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AFLAGS += -I $(TOPDIR)/include/asm/arch/mach/ -I $(TOPDIR)/include/asm/arch
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EXTRA_CFLAGS += -I $(TOPDIR)/include/asm/arch/mach/ -I $(TOPDIR)/include/asm/arch
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LD = gcc-cris -mlinux -march=v32 -nostdlib
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LDFLAGS = -T $(obj)/rescue.ld
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LDPOSTFLAGS = -lgcc
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OBJCOPY = objcopy-cris
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OBJCOPYFLAGS = -O binary --remove-section=.bss
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obj-$(CONFIG_ETRAX_AXISFLASHMAP) = head.o
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OBJECT := $(obj)/head.o
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all: $(target)/rescue.bin
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targets := rescue.o rescue.bin
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rescue: rescue.bin
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# do nothing
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quiet_cmd_ldlibgcc = LD $@
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cmd_ldlibgcc = $(LD) $(LDFLAGS) $(filter-out FORCE,$^) $(LDPOSTFLAGS) -o $@
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$(target)/rescue.bin: $(target) $(target)/head.o
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$(LD) -T $(src)/rescue.ld -o $(target)/rescue.o $(target)/head.o
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$(OBJCOPY) $(OBJCOPYFLAGS) $(target)/rescue.o $(target)/rescue.bin
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cp -p $(target)/rescue.bin $(objtree)
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$(obj)/rescue.o: $(OBJECTS) FORCE
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$(call if_changed,ldlibgcc)
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$(target):
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mkdir -p $(target)
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$(target)/head.o: $(src)/head.S
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$(CC) -D__ASSEMBLY__ -c $< -o $*.o
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clean:
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rm -f $(target)/*.o $(target)/*.bin
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fastdep:
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modules:
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modules-install:
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$(obj)/rescue.bin: $(obj)/rescue.o FORCE
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$(call if_changed,objcopy)
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cp -p $(obj)/rescue.bin $(objtree)
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