1 # This file is included by the global makefile so that you can add your own
2 # architecture-specific flags and dependencies.
4 # This file is subject to the terms and conditions of the GNU General Public
5 # License. See the file "COPYING" in the main directory of this archive
8 # Copyright (C) 1994 by Linus Torvalds
9 # Changes for PPC by Gary Thomas
10 # Rewritten by Cort Dougan and Paul Mackerras
13 # This must match PAGE_OFFSET in include/asm-ppc/page.h.
14 KERNELLOAD := $(CONFIG_KERNEL_START)
16 LDFLAGS_vmlinux := -Ttext $(KERNELLOAD) -Bstatic
17 CPPFLAGS += -Iarch/$(ARCH)
18 AFLAGS += -Iarch/$(ARCH)
19 cflags-y += -Iarch/$(ARCH) -msoft-float -pipe \
20 -ffixed-r2 -Wno-uninitialized -mmultiple -mstring
21 CPP = $(CC) -E $(CFLAGS)
23 cflags-$(CONFIG_4xx) += -Wa,-m405
24 cflags-$(CONFIG_PPC64BRIDGE) += -Wa,-mppc64bridge
25 # Use sed to remove the quotes.
26 cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \
27 $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
32 head-y := arch/ppc/kernel/head.o
33 head-$(CONFIG_8xx) := arch/ppc/kernel/head_8xx.o
34 head-$(CONFIG_4xx) := arch/ppc/kernel/head_4xx.o
35 head-$(CONFIG_440) := arch/ppc/kernel/head_44x.o
37 head-$(CONFIG_6xx) += arch/ppc/kernel/idle_6xx.o
39 core-y += arch/ppc/kernel/ arch/ppc/platforms/ \
40 arch/ppc/mm/ arch/ppc/lib/ arch/ppc/syslib/
41 core-$(CONFIG_4xx) += arch/ppc/platforms/4xx/
42 core-$(CONFIG_MATH_EMULATION) += arch/ppc/math-emu/
43 core-$(CONFIG_XMON) += arch/ppc/xmon/
44 core-$(CONFIG_APUS) += arch/ppc/amiga/
45 drivers-$(CONFIG_8xx) += arch/ppc/8xx_io/
46 drivers-$(CONFIG_4xx) += arch/ppc/4xx_io/
47 drivers-$(CONFIG_8260) += arch/ppc/8260_io/
48 drivers-$(CONFIG_OCP) += arch/ppc/ocp/
50 BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd pImage vmlinux.sm
52 .PHONY: $(BOOT_TARGETS)
56 AFLAGS_vmlinux.lds.o := -Upowerpc
58 # All the instructions talk about "make bzImage".
61 $(BOOT_TARGETS): vmlinux
62 $(Q)$(MAKE) $(build)=arch/ppc/boot $@
64 %_config: arch/ppc/configs/%_defconfig
65 rm -f .config arch/ppc/defconfig
66 cp -f arch/ppc/configs/$(@:config=defconfig) .config
69 $(Q)$(MAKE) $(clean)=arch/ppc/boot
71 prepare: include/asm-$(ARCH)/offsets.h checkbin
73 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
76 include/asm-$(ARCH)/offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
77 $(call filechk,gen-asm-offsets)
80 # Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later
81 NEW_AS := $(shell echo dssall | $(AS) -o /dev/null >/dev/null 2>&1 ; echo $$?)
89 @echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build'
90 @echo 'correctly with old versions of binutils.'
91 @echo '*** Please upgrade your binutils to ${GOODVER} or newer'
98 CLEAN_FILES += include/asm-$(ARCH)/offsets.h \
99 arch/$(ARCH)/kernel/asm-offsets.s