# 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
HAS_BIARCH := $(shell if $(CC) -m64 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi;)
ifeq ($(HAS_BIARCH),y)
AS := $(AS) -64
LD := $(LD) -m elf64ppc
CC := $(CC) -m64
endif
LDFLAGS := -m elf64ppc
LDFLAGS_vmlinux := -Bstatic -e $(KERNELLOAD) -Ttext $(KERNELLOAD)
CFLAGS += -msoft-float -pipe -Wno-uninitialized -mminimal-toc \
-mtraceback=none
HAS_POWER4 := $(shell if $(CC) -mcpu=power4 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi;)
ifeq ($(HAS_POWER4),y)
ifeq ($(CONFIG_POWER4_ONLY),y)
CFLAGS += -mcpu=power4
else
CFLAGS += -mtune=power4
endif
endif
head-y := arch/ppc64/kernel/head.o
libs-y += arch/ppc64/lib/
core-y += arch/ppc64/kernel/
core-y += arch/ppc64/mm/
core-$(CONFIG_XMON) += arch/ppc64/xmon/
drivers-$(CONFIG_OPROFILE) += arch/ppc64/oprofile/
boot := arch/ppc64/boot
boottarget-$(CONFIG_PPC_PSERIES) := zImage zImage.initrd
boottarget-$(CONFIG_PPC_ISERIES) := vmlinux.sminitrd vmlinux.initrd vmlinux.sm
$(boottarget-y): vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
bootimage-$(CONFIG_PPC_PSERIES) := zImage
bootimage-$(CONFIG_PPC_ISERIES) := vmlinux.sm
BOOTIMAGE := $(bootimage-y)
install: vmlinux
$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
all: $(BOOTIMAGE)
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
prepare: include/asm-ppc64/offsets.h
arch/ppc64/kernel/asm-offsets.s: include/asm include/linux/version.h \
include/config/MARKER
include/asm-ppc64/offsets.h: arch/ppc64/kernel/asm-offsets.s
$(call filechk,gen-asm-offsets)
CLEAN_FILES += include/asm-ppc64/offsets.h