ftp://ftp.kernel.org/pub/linux/kernel/v2.6/linux-2.6.6.tar.bz2
[linux-2.6.git] / arch / ppc64 / Makefile
1 # This file is included by the global makefile so that you can add your own
2 # architecture-specific flags and dependencies. Remember to do have actions
3 # for "archclean" and "archdep" for cleaning up and making dependencies for
4 # this architecture
5 #
6 # This file is subject to the terms and conditions of the GNU General Public
7 # License.  See the file "COPYING" in the main directory of this archive
8 # for more details.
9 #
10 # Copyright (C) 1994 by Linus Torvalds
11 # Changes for PPC by Gary Thomas
12 # Rewritten by Cort Dougan and Paul Mackerras
13 # Adjusted for PPC64 by Tom Gall
14 #
15
16 KERNELLOAD      := 0xc000000000000000
17
18 HAS_BIARCH      := $(shell if $(CC) -m64 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi;)
19 ifeq ($(HAS_BIARCH),y)
20 AS              := $(AS) -64
21 LD              := $(LD) -m elf64ppc
22 CC              := $(CC) -m64
23 CHECK           := $(CHECK) -m64
24 endif
25
26 LDFLAGS         := -m elf64ppc
27 LDFLAGS_vmlinux := -Bstatic -e $(KERNELLOAD) -Ttext $(KERNELLOAD)
28 CFLAGS          += -msoft-float -pipe -Wno-uninitialized -mminimal-toc \
29                    -mtraceback=none
30
31 ifeq ($(CONFIG_POWER4_ONLY),y)
32         CFLAGS += $(call check_gcc,-mcpu=power4,)
33 else
34         CFLAGS += $(call check_gcc,-mtune=power4,)
35 endif
36
37 # Enable unit-at-a-time mode when possible. It shrinks the
38 # kernel considerably.
39 CFLAGS += $(call check_gcc,-funit-at-a-time,)
40
41 head-y := arch/ppc64/kernel/head.o
42
43 libs-y                          += arch/ppc64/lib/
44 core-y                          += arch/ppc64/kernel/
45 core-y                          += arch/ppc64/mm/
46 core-$(CONFIG_XMON)             += arch/ppc64/xmon/
47 drivers-$(CONFIG_OPROFILE)      += arch/ppc64/oprofile/
48
49 boot := arch/ppc64/boot
50
51 boottarget-$(CONFIG_PPC_PSERIES) := zImage zImage.initrd
52 boottarget-$(CONFIG_PPC_ISERIES) := vmlinux.sminitrd vmlinux.initrd vmlinux.sm
53 $(boottarget-y): vmlinux
54         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
55
56 bootimage-$(CONFIG_PPC_PSERIES) := zImage
57 bootimage-$(CONFIG_PPC_ISERIES) := vmlinux
58 BOOTIMAGE := $(bootimage-y)
59 install: vmlinux
60         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
61
62 all: $(BOOTIMAGE)
63
64 archclean:
65         $(Q)$(MAKE) $(clean)=$(boot)
66
67 prepare: include/asm-ppc64/offsets.h
68
69 arch/ppc64/kernel/asm-offsets.s: include/asm include/linux/version.h \
70                                    include/config/MARKER
71
72 include/asm-ppc64/offsets.h: arch/ppc64/kernel/asm-offsets.s
73         $(call filechk,gen-asm-offsets)
74
75 define archhelp
76   echo  '* zImage       - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
77   echo  '  zImage.initrd- Compressed kernel image with initrd attached,'
78   echo  '                  sourced from arch/$(ARCH)/boot/ramdisk.image.gz'
79   echo  '                  (arch/$(ARCH)/boot/zImage.initrd)'
80 endef
81
82 CLEAN_FILES += include/asm-ppc64/offsets.h