[PATCH 26/47] Update CRISv10 rescue Kbuild makefile.

Jesper Nilsson
2007-12-06T12:50:18Z

- 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.

Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
---
arch/cris/arch-v10/boot/rescue/Makefile | 56 ++++++++++--------------------
1 files changed, 19 insertions(+), 37 deletions(-)

diff --git a/arch/cris/arch-v10/boot/rescue/Makefile b/arch/cris/arch-v10/boot/rescue/Makefile
index 8be9b31..911c894 100644
--- a/arch/cris/arch-v10/boot/rescue/Makefile
+++ b/arch/cris/arch-v10/boot/rescue/Makefile
@@ -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:
--
1.5.3.6.970.gd25430