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CRIS v10: Update rescue Kbuild makefile.

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- Remove old specific targets, use more generic ones instead.
- Use if_changed to avoid creating new images when no change.
  Removes a lot of cruft.
- Use EXTRA_CFLAGS instead of CFLAGS.
This commit is contained in:
Jesper Nilsson 2007-11-30 16:11:38 +01:00
parent 1333a69483
commit 63e6b9a0b8
1 changed files with 19 additions and 37 deletions
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56
arch/cris/arch-v10/boot/rescue/Makefile
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@ -1,56 +1,38 @@
#
# Makefile for rescue code
# Makefile for rescue (bootstrap) code
#
target = $(target_rescue_dir)
src = $(src_rescue_dir)
CC = gcc-cris -mlinux $(LINUXINCLUDE)
CFLAGS = -O2
EXTRA_CFLAGS = -O2
AFLAGS = -traditional
LD = gcc-cris -mlinux -nostdlib
LDFLAGS = -T $(obj)/rescue.ld
OBJCOPY = objcopy-cris
OBJCOPYFLAGS = -O binary --remove-section=.bss
obj-$(CONFIG_ETRAX_AXISFLASHMAP) = head.o
OBJECT := $(obj)/head.o
all: $(target)/rescue.bin $(target)/testrescue.bin $(target)/kimagerescue.bin
targets := rescue.o rescue.bin
$(target)/rescue.bin: $(target) $(target)/head.o
$(LD) -T $(src)/rescue.ld -o $(target)/rescue.o $(target)/head.o
$(OBJCOPY) $(OBJCOPYFLAGS) $(target)/rescue.o $(target)/rescue.bin
# Place a copy in top-level build directory
cp -p $(target)/rescue.bin $(objtree)
$(obj)/rescue.o: $(OBJECT) FORCE
$(call if_changed,ld)
$(target)/testrescue.bin: $(target) $(target)/testrescue.o
$(OBJCOPY) $(OBJCOPYFLAGS) $(target)/testrescue.o tr.bin
$(obj)/rescue.bin: $(obj)/rescue.o FORCE
$(call if_changed,objcopy)
cp -p $(obj)/rescue.bin $(objtree)
$(obj)/testrescue.bin: $(obj)/testrescue.o
$(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/testrescue.o tr.bin
# Pad it to 784 bytes
dd if=/dev/zero of=tmp2423 bs=1 count=784
cat tr.bin tmp2423 >testrescue_tmp.bin
dd if=testrescue_tmp.bin of=$(target)/testrescue.bin bs=1 count=784
dd if=testrescue_tmp.bin of=$(obj)/testrescue.bin bs=1 count=784
rm tr.bin tmp2423 testrescue_tmp.bin
$(target)/kimagerescue.bin: $(target) $(target)/kimagerescue.o
$(OBJCOPY) $(OBJCOPYFLAGS) $(target)/kimagerescue.o ktr.bin
$(obj)/kimagerescue.bin: $(obj)/kimagerescue.o
$(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/kimagerescue.o ktr.bin
# Pad it to 784 bytes, that's what the rescue loader expects
dd if=/dev/zero of=tmp2423 bs=1 count=784
cat ktr.bin tmp2423 >kimagerescue_tmp.bin
dd if=kimagerescue_tmp.bin of=$(target)/kimagerescue.bin bs=1 count=784
dd if=kimagerescue_tmp.bin of=$(obj)/kimagerescue.bin bs=1 count=784
rm ktr.bin tmp2423 kimagerescue_tmp.bin
$(target):
mkdir -p $(target)
$(target)/head.o: $(src)/head.S
$(CC) -D__ASSEMBLY__ -traditional -c $< -o $*.o
$(target)/testrescue.o: $(src)/testrescue.S
$(CC) -D__ASSEMBLY__ -traditional -c $< -o $*.o
$(target)/kimagerescue.o: $(src)/kimagerescue.S
$(CC) -D__ASSEMBLY__ -traditional -c $< -o $*.o
clean:
rm -f $(target)/*.o $(target)/*.bin
fastdep:
modules:
modules-install: