forked from Minki/linux
b35b707217
This is less troublesome and makes more sense. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
136 lines
4.3 KiB
Makefile
136 lines
4.3 KiB
Makefile
# This file is included by the global makefile so that you can add your own
|
|
# architecture-specific flags and dependencies. Remember to do have actions
|
|
# for "archclean" and "archdep" for cleaning up and making dependencies for
|
|
# this architecture
|
|
#
|
|
# 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.
|
|
#
|
|
# Copyright (C) 1994 by Linus Torvalds
|
|
# Changes for PPC by Gary Thomas
|
|
# Rewritten by Cort Dougan and Paul Mackerras
|
|
# Adjusted for PPC64 by Tom Gall
|
|
#
|
|
|
|
KERNELLOAD := 0xc000000000000000
|
|
|
|
# Set default 32 bits cross compilers for vdso and boot wrapper
|
|
CROSS32_COMPILE ?=
|
|
|
|
CROSS32CC := $(CROSS32_COMPILE)gcc
|
|
CROSS32AS := $(CROSS32_COMPILE)as
|
|
CROSS32LD := $(CROSS32_COMPILE)ld
|
|
CROSS32OBJCOPY := $(CROSS32_COMPILE)objcopy
|
|
|
|
# If we have a biarch compiler, use it for 32 bits cross compile if
|
|
# CROSS32_COMPILE wasn't explicitely defined, and add proper explicit
|
|
# target type to target compilers
|
|
|
|
HAS_BIARCH := $(call cc-option-yn, -m64)
|
|
ifeq ($(HAS_BIARCH),y)
|
|
ifeq ($(CROSS32_COMPILE),)
|
|
CROSS32CC := $(CC) -m32
|
|
CROSS32AS := $(AS) -a32
|
|
CROSS32LD := $(LD) -m elf32ppc
|
|
CROSS32OBJCOPY := $(OBJCOPY)
|
|
endif
|
|
override AS += -a64
|
|
override LD += -m elf64ppc
|
|
override CC += -m64
|
|
endif
|
|
|
|
export CROSS32CC CROSS32AS CROSS32LD CROSS32OBJCOPY
|
|
|
|
new_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi)
|
|
|
|
ifeq ($(new_nm),y)
|
|
NM := $(NM) --synthetic
|
|
|
|
endif
|
|
|
|
CHECKFLAGS += -m64 -D__powerpc__ -D__powerpc64__
|
|
|
|
LDFLAGS := -m elf64ppc
|
|
LDFLAGS_vmlinux := -Bstatic -e $(KERNELLOAD) -Ttext $(KERNELLOAD)
|
|
CFLAGS += -msoft-float -pipe -mminimal-toc -mtraceback=none \
|
|
-mcall-aixdesc
|
|
# Temporary hack until we have migrated to asm-powerpc
|
|
CPPFLAGS += -Iarch/$(ARCH)/include
|
|
|
|
GCC_VERSION := $(call cc-version)
|
|
GCC_BROKEN_VEC := $(shell if [ $(GCC_VERSION) -lt 0400 ] ; then echo "y"; fi ;)
|
|
|
|
ifeq ($(CONFIG_POWER4_ONLY),y)
|
|
ifeq ($(CONFIG_ALTIVEC),y)
|
|
ifeq ($(GCC_BROKEN_VEC),y)
|
|
CFLAGS += $(call cc-option,-mcpu=970)
|
|
else
|
|
CFLAGS += $(call cc-option,-mcpu=power4)
|
|
endif
|
|
else
|
|
CFLAGS += $(call cc-option,-mcpu=power4)
|
|
endif
|
|
else
|
|
CFLAGS += $(call cc-option,-mtune=power4)
|
|
endif
|
|
|
|
# Enable unit-at-a-time mode when possible. It shrinks the
|
|
# kernel considerably.
|
|
CFLAGS += $(call cc-option,-funit-at-a-time)
|
|
|
|
head-y := arch/ppc64/kernel/head.o
|
|
|
|
libs-y += arch/ppc64/lib/
|
|
core-y += arch/ppc64/kernel/
|
|
core-y += arch/ppc64/mm/
|
|
core-$(CONFIG_XMON) += arch/ppc64/xmon/
|
|
drivers-$(CONFIG_OPROFILE) += arch/ppc64/oprofile/
|
|
|
|
boot := arch/ppc64/boot
|
|
|
|
boottargets-$(CONFIG_PPC_PSERIES) += zImage zImage.initrd
|
|
boottargets-$(CONFIG_PPC_PMAC) += zImage.vmode zImage.initrd.vmode
|
|
boottargets-$(CONFIG_PPC_MAPLE) += zImage zImage.initrd
|
|
boottargets-$(CONFIG_PPC_ISERIES) += vmlinux.sminitrd vmlinux.initrd vmlinux.sm
|
|
boottargets-$(CONFIG_PPC_BPA) += zImage zImage.initrd
|
|
$(boottargets-y): vmlinux
|
|
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
|
|
|
|
bootimage-$(CONFIG_PPC_PSERIES) := $(boot)/zImage
|
|
bootimage-$(CONFIG_PPC_PMAC) := vmlinux
|
|
bootimage-$(CONFIG_PPC_MAPLE) := $(boot)/zImage
|
|
bootimage-$(CONFIG_PPC_BPA) := zImage
|
|
bootimage-$(CONFIG_PPC_ISERIES) := vmlinux
|
|
BOOTIMAGE := $(bootimage-y)
|
|
install: vmlinux
|
|
$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
|
|
|
|
defaultimage-$(CONFIG_PPC_PSERIES) := zImage
|
|
defaultimage-$(CONFIG_PPC_PMAC) := vmlinux
|
|
defaultimage-$(CONFIG_PPC_MAPLE) := zImage
|
|
defaultimage-$(CONFIG_PPC_ISERIES) := vmlinux
|
|
KBUILD_IMAGE := $(defaultimage-y)
|
|
all: $(KBUILD_IMAGE)
|
|
|
|
archclean:
|
|
$(Q)$(MAKE) $(clean)=$(boot)
|
|
# Temporary hack until we have migrated to asm-powerpc
|
|
$(Q)rm -rf arch/$(ARCH)/include
|
|
|
|
|
|
# Temporary hack until we have migrated to asm-powerpc
|
|
include/asm: arch/$(ARCH)/include/asm
|
|
arch/$(ARCH)/include/asm:
|
|
$(Q)if [ ! -d arch/$(ARCH)/include ]; then mkdir -p arch/$(ARCH)/include; fi
|
|
$(Q)ln -fsn $(srctree)/include/asm-powerpc arch/$(ARCH)/include/asm
|
|
|
|
define archhelp
|
|
echo ' zImage.vmode - Compressed kernel image (arch/$(ARCH)/boot/zImage.vmode)'
|
|
echo ' zImage.initrd.vmode - Compressed kernel image with initrd attached,'
|
|
echo ' sourced from arch/$(ARCH)/boot/ramdisk.image.gz'
|
|
echo ' (arch/$(ARCH)/boot/zImage.initrd.vmode)'
|
|
echo ' zImage - zImage for pSeries machines'
|
|
echo ' zImage.initrd - zImage with initrd for pSeries machines'
|
|
endef
|