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
21 CPP = $(CC) -E $(CFLAGS)
27 cflags-$(CONFIG_4xx) += -Wa,-m405
28 cflags-$(CONFIG_E500) += -Wa,-me500
29 cflags-$(CONFIG_PPC64BRIDGE) += -Wa,-mppc64bridge
33 head-y := arch/ppc/kernel/head.o
34 head-$(CONFIG_8xx) := arch/ppc/kernel/head_8xx.o
35 head-$(CONFIG_4xx) := arch/ppc/kernel/head_4xx.o
36 head-$(CONFIG_44x) := arch/ppc/kernel/head_44x.o
37 head-$(CONFIG_E500) := arch/ppc/kernel/head_e500.o
39 head-$(CONFIG_6xx) += arch/ppc/kernel/idle_6xx.o
40 head-$(CONFIG_POWER4) += arch/ppc/kernel/idle_power4.o
42 core-y += arch/ppc/kernel/ arch/ppc/platforms/ \
43 arch/ppc/mm/ arch/ppc/lib/ arch/ppc/syslib/
44 core-$(CONFIG_4xx) += arch/ppc/platforms/4xx/
45 core-$(CONFIG_85xx) += arch/ppc/platforms/85xx/
46 core-$(CONFIG_MATH_EMULATION) += arch/ppc/math-emu/
47 core-$(CONFIG_XMON) += arch/ppc/xmon/
48 core-$(CONFIG_APUS) += arch/ppc/amiga/
49 drivers-$(CONFIG_8xx) += arch/ppc/8xx_io/
50 drivers-$(CONFIG_4xx) += arch/ppc/4xx_io/
51 drivers-$(CONFIG_8260) += arch/ppc/8260_io/
53 BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm
55 .PHONY: $(BOOT_TARGETS)
59 AFLAGS_vmlinux.lds.o := -Upowerpc
61 # All the instructions talk about "make bzImage".
63 cp vmlinux arch/ppc/boot/bzImage
65 boot := arch/$(ARCH)/boot
67 $(BOOT_TARGETS): vmlinux
68 $(Q)$(MAKE) $(build)=$(boot) $@
71 $(Q)$(MAKE) $(build)=$(boot)/images $(boot)/images/$@
74 @echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/images/zImage.*)'
75 @echo ' uImage - Create a bootable image for U-Boot / PPCBoot'
76 @echo ' install - Install kernel using'
77 @echo ' (your) ~/bin/installkernel or'
78 @echo ' (distribution) /sbin/installkernel or'
79 @echo ' install to $$(INSTALL_PATH) and run lilo'
80 @echo ' *_defconfig - Select default config from arch/$(ARCH)/ppc/configs'
84 $(Q)$(MAKE) $(clean)=arch/ppc/boot
86 prepare: include/asm-$(ARCH)/offsets.h checkbin
88 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
91 include/asm-$(ARCH)/offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
92 $(call filechk,gen-asm-offsets)
95 # Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later
96 NEW_AS := $(shell echo dssall | $(AS) -many -o /dev/null >/dev/null 2>&1 ; echo $$?)
104 @echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build '
105 @echo 'correctly with old versions of binutils.'
106 @echo '*** Please upgrade your binutils to ${GOODVER} or newer'
113 CLEAN_FILES += include/asm-$(ARCH)/offsets.h \
114 arch/$(ARCH)/kernel/asm-offsets.s