1#
2# This file is included by the global makefile so that you can add your own
3# architecture-specific flags and dependencies. Remember to do have actions
4# for "archclean" and "archdep" for cleaning up and making dependencies for
5# this architecture
6#
7# This file is subject to the terms and conditions of the GNU General Public
8# License.  See the file "COPYING" in the main directory of this archive
9# for more details.
10#
11# Copyright (C) 1994 by Linus Torvalds
12# Changes for PPC by Gary Thomas
13# Rewritten by Cort Dougan and Paul Mackerras
14#
15
16# Be sure to change PAGE_OFFSET in include/asm-ppc/page.h to match
17KERNELLOAD	=$(CONFIG_KERNEL_START)
18
19LINKFLAGS	= -T arch/ppc/vmlinux.lds -Ttext $(KERNELLOAD) -Bstatic
20CPPFLAGS	:= $(CPPFLAGS) -I$(TOPDIR)/arch/$(ARCH)
21AFLAGS		:= $(AFLAGS) -I$(TOPDIR)/arch/$(ARCH)
22CFLAGS		:= $(CFLAGS) -I$(TOPDIR)/arch/$(ARCH) -fsigned-char \
23		-msoft-float -pipe -ffixed-r2 -Wno-uninitialized \
24		-mmultiple -mstring
25HOSTCFLAGS	+= -I$(TOPDIR)/arch/$(ARCH)
26CPP		= $(CC) -E $(CFLAGS)
27
28ifdef CONFIG_4xx
29CFLAGS := $(CFLAGS) -Wa,-m405
30endif
31
32ifdef CONFIG_8xx
33CFLAGS := $(CFLAGS) -mcpu=860
34endif
35
36ifdef CONFIG_PPC64BRIDGE
37CFLAGS := $(CFLAGS) -Wa,-mppc64bridge
38endif
39
40ifdef CONFIG_MORE_COMPILE_OPTIONS
41# Use sed to remove the quotes.
42  CFLAGS += $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
43endif
44
45HEAD-y			:= arch/ppc/kernel/head.o
46HEAD-$(CONFIG_40x)	:= arch/ppc/kernel/head_4xx.o
47HEAD-$(CONFIG_44x)	:= arch/ppc/kernel/head_44x.o
48HEAD-$(CONFIG_8xx)	:= arch/ppc/kernel/head_8xx.o
49HEAD-$(CONFIG_6xx)	+= arch/ppc/kernel/idle_6xx.o
50
51HEAD := $(HEAD-y)
52
53ARCH_SUBDIRS = arch/ppc/kernel arch/ppc/platforms arch/ppc/mm arch/ppc/lib
54SUBDIRS := $(SUBDIRS) $(ARCH_SUBDIRS)
55CORE_FILES := arch/ppc/kernel/kernel.o arch/ppc/platforms/platform.o \
56	arch/ppc/mm/mm.o arch/ppc/lib/lib.o $(CORE_FILES)
57
58ifdef CONFIG_MATH_EMULATION
59SUBDIRS += arch/ppc/math-emu
60CORE_FILES += arch/ppc/math-emu/math-emu.o
61endif
62
63ifdef CONFIG_XMON
64SUBDIRS += arch/ppc/xmon
65CORE_FILES += arch/ppc/xmon/x.o
66endif
67
68MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
69
70ifdef CONFIG_8xx
71SUBDIRS += arch/ppc/8xx_io
72DRIVERS += arch/ppc/8xx_io/8xx_io.o
73endif
74
75ifdef CONFIG_CPM2
76SUBDIRS += arch/ppc/cpm2_io
77DRIVERS += arch/ppc/cpm2_io/cpm2_io.o
78endif
79
80ifdef CONFIG_APUS
81SUBDIRS += arch/ppc/amiga
82CORE_FILES += arch/ppc/amiga/amiga.o
83endif
84
85checks:
86	@$(MAKE) -C arch/$(ARCH)/kernel checks
87
88BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd uImage
89
90# All the instructions talk about "make bzImage".
91bzImage: zImage
92
93$(BOOT_TARGETS): vmlinux
94	@$(MAKEBOOT) $@
95
96%_config: arch/ppc/configs/%_defconfig
97	rm -f .config arch/ppc/defconfig
98	cp -f arch/ppc/configs/$(@:config=defconfig) arch/ppc/defconfig
99
100archclean:
101	rm -f arch/ppc/kernel/{mk_defs,ppc_defs.h,find_name,checks}
102	@$(MAKEBOOT) clean
103
104archmrproper:
105
106archdep: scripts/mkdep
107	$(MAKEBOOT) fastdep
108