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alistair23-linux/arch/blackfin/Makefile
Sam Ravnborg caa27b66bd kbuild: use INSTALLKERNEL to select customized installkernel script 
Replace the use of CROSS_COMPILE to select a customized
installkernel script with the possibility to set INSTALLKERNEL
to select a custom installkernel script when running make:

    make INSTALLKERNEL=arm-installkernel install

With this patch we are now more consistent across
different architectures - they did not all support use
of CROSS_COMPILE.

The use of CROSS_COMPILE was a hack as this really belongs
to gcc/binutils and the installkernel script does not change
just because we change toolchain.

The use of CROSS_COMPILE caused troubles with an upcoming patch
that saves CROSS_COMPILE when a kernel is built - it would no
longer be installable.
[Thanks to Peter Z. for this hint]

This patch undos what Ian did in commit:

  0f8e2d62fa
  ("use ${CROSS_COMPILE}installkernel in arch/*/boot/install.sh")

The patch has been lightly tested on x86 only - but all changes
looks obvious.

Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Mike Frysinger <vapier@gentoo.org> [blackfin]
Acked-by: Russell King <linux@arm.linux.org.uk> [arm]
Acked-by: Paul Mundt <lethal@linux-sh.org> [sh]
Acked-by: "H. Peter Anvin" <hpa@zytor.com> [x86]
Cc: Ian Campbell <icampbell@arcom.com>
Cc: Tony Luck <tony.luck@intel.com> [ia64]
Cc: Fenghua Yu <fenghua.yu@intel.com> [ia64]
Cc: Hirokazu Takata <takata@linux-m32r.org> [m32r]
Cc: Geert Uytterhoeven <geert@linux-m68k.org> [m68k]
Cc: Kyle McMartin <kyle@mcmartin.ca> [parisc]
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> [powerpc]
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> [s390]
Cc: Thomas Gleixner <tglx@linutronix.de> [x86]
Cc: Ingo Molnar <mingo@redhat.com> [x86]
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-09-20 12:18:14 +02:00

162 lines
5 KiB
Makefile
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#
# arch/blackfin/Makefile
#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
ifeq ($(CROSS_COMPILE),)
CROSS_COMPILE := bfin-uclinux-
endif
LDFLAGS_vmlinux := -X
OBJCOPYFLAGS := -O binary -R .note -R .comment -S
GZFLAGS := -9
KBUILD_CFLAGS += $(call cc-option,-mno-fdpic)
KBUILD_AFLAGS += $(call cc-option,-mno-fdpic)
CFLAGS_MODULE += -mlong-calls
KALLSYMS += --symbol-prefix=_
KBUILD_DEFCONFIG := BF537-STAMP_defconfig
# setup the machine name and the machine dependent settings
machine-$(CONFIG_BF512) := bf518
machine-$(CONFIG_BF514) := bf518
machine-$(CONFIG_BF516) := bf518
machine-$(CONFIG_BF518) := bf518
machine-$(CONFIG_BF522) := bf527
machine-$(CONFIG_BF523) := bf527
machine-$(CONFIG_BF524) := bf527
machine-$(CONFIG_BF525) := bf527
machine-$(CONFIG_BF526) := bf527
machine-$(CONFIG_BF527) := bf527
machine-$(CONFIG_BF531) := bf533
machine-$(CONFIG_BF532) := bf533
machine-$(CONFIG_BF533) := bf533
machine-$(CONFIG_BF534) := bf537
machine-$(CONFIG_BF536) := bf537
machine-$(CONFIG_BF537) := bf537
machine-$(CONFIG_BF538) := bf538
machine-$(CONFIG_BF539) := bf538
machine-$(CONFIG_BF542) := bf548
machine-$(CONFIG_BF542M) := bf548
machine-$(CONFIG_BF544) := bf548
machine-$(CONFIG_BF544M) := bf548
machine-$(CONFIG_BF547) := bf548
machine-$(CONFIG_BF547M) := bf548
machine-$(CONFIG_BF548) := bf548
machine-$(CONFIG_BF548M) := bf548
machine-$(CONFIG_BF549) := bf548
machine-$(CONFIG_BF549M) := bf548
machine-$(CONFIG_BF561) := bf561
MACHINE := $(machine-y)
export MACHINE
cpu-$(CONFIG_BF512) := bf512
cpu-$(CONFIG_BF514) := bf514
cpu-$(CONFIG_BF516) := bf516
cpu-$(CONFIG_BF518) := bf518
cpu-$(CONFIG_BF522) := bf522
cpu-$(CONFIG_BF523) := bf523
cpu-$(CONFIG_BF524) := bf524
cpu-$(CONFIG_BF525) := bf525
cpu-$(CONFIG_BF526) := bf526
cpu-$(CONFIG_BF527) := bf527
cpu-$(CONFIG_BF531) := bf531
cpu-$(CONFIG_BF532) := bf532
cpu-$(CONFIG_BF533) := bf533
cpu-$(CONFIG_BF534) := bf534
cpu-$(CONFIG_BF536) := bf536
cpu-$(CONFIG_BF537) := bf537
cpu-$(CONFIG_BF538) := bf538
cpu-$(CONFIG_BF539) := bf539
cpu-$(CONFIG_BF542) := bf542
cpu-$(CONFIG_BF542M) := bf542m
cpu-$(CONFIG_BF544) := bf544
cpu-$(CONFIG_BF544M) := bf544m
cpu-$(CONFIG_BF547) := bf547
cpu-$(CONFIG_BF547M) := bf547m
cpu-$(CONFIG_BF548) := bf548
cpu-$(CONFIG_BF548M) := bf548m
cpu-$(CONFIG_BF549) := bf549
cpu-$(CONFIG_BF549M) := bf549m
cpu-$(CONFIG_BF561) := bf561
rev-$(CONFIG_BF_REV_0_0) := 0.0
rev-$(CONFIG_BF_REV_0_1) := 0.1
rev-$(CONFIG_BF_REV_0_2) := 0.2
rev-$(CONFIG_BF_REV_0_3) := 0.3
rev-$(CONFIG_BF_REV_0_4) := 0.4
rev-$(CONFIG_BF_REV_0_5) := 0.5
rev-$(CONFIG_BF_REV_0_6) := 0.6
rev-$(CONFIG_BF_REV_NONE) := none
rev-$(CONFIG_BF_REV_ANY) := any
KBUILD_CFLAGS += -mcpu=$(cpu-y)-$(rev-y)
KBUILD_AFLAGS += -mcpu=$(cpu-y)-$(rev-y)
# - we utilize the silicon rev from the toolchain, so move it over to the checkflags
# - the l1_text attribute is Blackfin specific, so fake it out as used to kill warnings
CHECKFLAGS_SILICON = $(shell echo "" | $(CPP) $(KBUILD_CFLAGS) -dD - 2>/dev/null | awk '$$2 == "__SILICON_REVISION__" { print $$3 }')
CHECKFLAGS += -D__SILICON_REVISION__=$(CHECKFLAGS_SILICON) -Dl1_text=__used__
head-y := arch/$(ARCH)/kernel/init_task.o
core-y += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/ arch/$(ARCH)/mach-common/
# If we have a machine-specific directory, then include it in the build.
ifneq ($(machine-y),)
core-y += arch/$(ARCH)/mach-$(MACHINE)/
core-y += arch/$(ARCH)/mach-$(MACHINE)/boards/
endif
ifeq ($(CONFIG_MPU),y)
core-y += arch/$(ARCH)/kernel/cplb-mpu/
else
core-y += arch/$(ARCH)/kernel/cplb-nompu/
endif
drivers-$(CONFIG_OPROFILE) += arch/$(ARCH)/oprofile/
libs-y += arch/$(ARCH)/lib/
machdirs := $(patsubst %,arch/blackfin/mach-%/, $(machine-y))
KBUILD_CFLAGS += -Iarch/$(ARCH)/include/
KBUILD_CFLAGS += -Iarch/$(ARCH)/mach-$(MACHINE)/include
KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
CLEAN_FILES += \
arch/$(ARCH)/include/asm/asm-offsets.h \
arch/$(ARCH)/kernel/asm-offsets.s \
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
INSTALL_PATH ?= /tftpboot
boot := arch/$(ARCH)/boot
BOOT_TARGETS = vmImage vmImage.bz2 vmImage.gz vmImage.lzma
PHONY += $(BOOT_TARGETS) install
KBUILD_IMAGE := $(boot)/vmImage
all: vmImage
$(BOOT_TARGETS): vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
install:
$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
define archhelp
echo '* vmImage - Alias to selected kernel format (vmImage.gz by default)'
echo ' vmImage.bz2 - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.bz2)'
echo '* vmImage.gz - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.gz)'
echo ' vmImage.lzma - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.lzma)'
echo ' install - Install kernel using'
echo ' (your) ~/bin/$(INSTALLKERNEL) or'
echo ' (distribution) PATH: $(INSTALLKERNEL) or'
echo ' install to $$(INSTALL_PATH)'
endef
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