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-$(CONFIG_PPC64BRIDGE) += -Wa,-mppc64bridge
29 head-y := arch/ppc/kernel/head.o
30 head-$(CONFIG_8xx) := arch/ppc/kernel/head_8xx.o
31 head-$(CONFIG_4xx) := arch/ppc/kernel/head_4xx.o
32 head-$(CONFIG_44x) := arch/ppc/kernel/head_44x.o
34 head-$(CONFIG_6xx) += arch/ppc/kernel/idle_6xx.o
35 head-$(CONFIG_POWER4) += arch/ppc/kernel/idle_power4.o
37 core-y += arch/ppc/kernel/ arch/ppc/platforms/ \
38 arch/ppc/mm/ arch/ppc/lib/ arch/ppc/syslib/
39 core-$(CONFIG_4xx) += arch/ppc/platforms/4xx/
40 core-$(CONFIG_MATH_EMULATION) += arch/ppc/math-emu/
41 core-$(CONFIG_XMON) += arch/ppc/xmon/
42 core-$(CONFIG_APUS) += arch/ppc/amiga/
43 drivers-$(CONFIG_8xx) += arch/ppc/8xx_io/
44 drivers-$(CONFIG_4xx) += arch/ppc/4xx_io/
45 drivers-$(CONFIG_8260) += arch/ppc/8260_io/
47 BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm
49 .PHONY: $(BOOT_TARGETS)
53 AFLAGS_vmlinux.lds.o := -Upowerpc
55 # All the instructions talk about "make bzImage".
58 boot := arch/$(ARCH)/boot
60 $(BOOT_TARGETS): vmlinux
61 $(Q)$(MAKE) $(build)=$(boot) $@
64 $(Q)$(MAKE) $(build)=$(boot)/images $(boot)/images/$@
67 @echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/images/zImage.*)'
68 @echo ' uImage - Create a bootable image for U-Boot / PPCBoot'
69 @echo ' install - Install kernel using'
70 @echo ' (your) ~/bin/installkernel or'
71 @echo ' (distribution) /sbin/installkernel or'
72 @echo ' install to $$(INSTALL_PATH) and run lilo'
73 @echo ' *_defconfig - Select default config from arch/$(ARCH)/ppc/configs'
77 $(Q)$(MAKE) $(clean)=arch/ppc/boot
79 prepare: include/asm-$(ARCH)/offsets.h checkbin
81 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
84 include/asm-$(ARCH)/offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
85 $(call filechk,gen-asm-offsets)
88 # Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later
89 NEW_AS := $(shell echo dssall | $(AS) -many -o /dev/null >/dev/null 2>&1 ; echo $$?)
97 @echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build '
98 @echo 'correctly with old versions of binutils.'
99 @echo '*** Please upgrade your binutils to ${GOODVER} or newer'
106 CLEAN_FILES += include/asm-$(ARCH)/offsets.h \
107 arch/$(ARCH)/kernel/asm-offsets.s