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1da177e4 LT |
1 | # This file is included by the global makefile so that you can add your own |
2 | # architecture-specific flags and dependencies. | |
3 | # | |
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 | |
6 | # for more details. | |
7 | # | |
8 | # Copyright (C) 1994 by Linus Torvalds | |
9 | # Changes for PPC by Gary Thomas | |
10 | # Rewritten by Cort Dougan and Paul Mackerras | |
11 | # | |
12 | ||
13 | # This must match PAGE_OFFSET in include/asm-ppc/page.h. | |
14 | KERNELLOAD := $(CONFIG_KERNEL_START) | |
15 | ||
16 | HAS_BIARCH := $(call cc-option-yn, -m32) | |
17 | ifeq ($(HAS_BIARCH),y) | |
18 | AS := $(AS) -a32 | |
19 | LD := $(LD) -m elf32ppc | |
20 | CC := $(CC) -m32 | |
21 | endif | |
22 | ||
23 | LDFLAGS_vmlinux := -Ttext $(KERNELLOAD) -Bstatic | |
b35b7072 SR |
24 | # The -Iarch/$(ARCH)/include is temporary while we are merging |
25 | CPPFLAGS += -Iarch/$(ARCH) -Iarch/$(ARCH)/include | |
1da177e4 LT |
26 | AFLAGS += -Iarch/$(ARCH) |
27 | CFLAGS += -Iarch/$(ARCH) -msoft-float -pipe \ | |
28 | -ffixed-r2 -mmultiple | |
9e3699ea LN |
29 | |
30 | # No AltiVec instruction when building kernel | |
31 | CFLAGS += $(call cc-option, -mno-altivec) | |
32 | ||
1da177e4 | 33 | CPP = $(CC) -E $(CFLAGS) |
45e2a6e4 | 34 | # Temporary hack until we have migrated to asm-powerpc |
b35b7072 | 35 | LINUXINCLUDE += -Iarch/$(ARCH)/include |
1da177e4 LT |
36 | |
37 | CHECKFLAGS += -D__powerpc__ | |
38 | ||
33d9e9b5 | 39 | ifndef CONFIG_FSL_BOOKE |
1da177e4 LT |
40 | CFLAGS += -mstring |
41 | endif | |
42 | ||
43 | cpu-as-$(CONFIG_PPC64BRIDGE) += -Wa,-mppc64bridge | |
44 | cpu-as-$(CONFIG_4xx) += -Wa,-m405 | |
45 | cpu-as-$(CONFIG_6xx) += -Wa,-maltivec | |
46 | cpu-as-$(CONFIG_POWER4) += -Wa,-maltivec | |
47 | cpu-as-$(CONFIG_E500) += -Wa,-me500 | |
33d9e9b5 | 48 | cpu-as-$(CONFIG_E200) += -Wa,-me200 |
1da177e4 LT |
49 | |
50 | AFLAGS += $(cpu-as-y) | |
51 | CFLAGS += $(cpu-as-y) | |
52 | ||
53 | # Default to the common case. | |
54 | KBUILD_DEFCONFIG := common_defconfig | |
55 | ||
56 | head-y := arch/ppc/kernel/head.o | |
57 | head-$(CONFIG_8xx) := arch/ppc/kernel/head_8xx.o | |
58 | head-$(CONFIG_4xx) := arch/ppc/kernel/head_4xx.o | |
59 | head-$(CONFIG_44x) := arch/ppc/kernel/head_44x.o | |
60 | head-$(CONFIG_FSL_BOOKE) := arch/ppc/kernel/head_fsl_booke.o | |
61 | ||
fd582ec8 | 62 | head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o |
1da177e4 | 63 | |
fd582ec8 PM |
64 | core-y += arch/ppc/kernel/ arch/powerpc/kernel/ \ |
65 | arch/ppc/platforms/ \ | |
25635c71 | 66 | arch/ppc/mm/ arch/ppc/lib/ \ |
a0e60b20 DG |
67 | arch/ppc/syslib/ arch/powerpc/sysdev/ \ |
68 | arch/powerpc/lib/ | |
1da177e4 LT |
69 | core-$(CONFIG_4xx) += arch/ppc/platforms/4xx/ |
70 | core-$(CONFIG_83xx) += arch/ppc/platforms/83xx/ | |
71 | core-$(CONFIG_85xx) += arch/ppc/platforms/85xx/ | |
5cd27208 | 72 | core-$(CONFIG_MATH_EMULATION) += arch/powerpc/math-emu/ |
1da177e4 LT |
73 | core-$(CONFIG_XMON) += arch/ppc/xmon/ |
74 | core-$(CONFIG_APUS) += arch/ppc/amiga/ | |
75 | drivers-$(CONFIG_8xx) += arch/ppc/8xx_io/ | |
76 | drivers-$(CONFIG_4xx) += arch/ppc/4xx_io/ | |
77 | drivers-$(CONFIG_CPM2) += arch/ppc/8260_io/ | |
78 | ||
86a5cddb | 79 | drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/ |
1da177e4 LT |
80 | |
81 | BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm | |
82 | ||
4f193362 | 83 | PHONY += $(BOOT_TARGETS) |
1da177e4 LT |
84 | |
85 | all: uImage zImage | |
86 | ||
87 | CPPFLAGS_vmlinux.lds := -Upowerpc | |
88 | ||
89 | # All the instructions talk about "make bzImage". | |
90 | bzImage: zImage | |
91 | ||
92 | boot := arch/$(ARCH)/boot | |
93 | ||
94 | $(BOOT_TARGETS): vmlinux | |
95 | $(Q)$(MAKE) $(build)=$(boot) $@ | |
96 | ||
97 | uImage: vmlinux | |
98 | $(Q)$(MAKE) $(build)=$(boot)/images $(boot)/images/$@ | |
99 | ||
100 | define archhelp | |
101 | @echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/images/zImage.*)' | |
102 | @echo ' uImage - Create a bootable image for U-Boot / PPCBoot' | |
103 | @echo ' install - Install kernel using' | |
104 | @echo ' (your) ~/bin/installkernel or' | |
105 | @echo ' (distribution) /sbin/installkernel or' | |
106 | @echo ' install to $$(INSTALL_PATH) and run lilo' | |
107 | @echo ' *_defconfig - Select default config from arch/$(ARCH)/ppc/configs' | |
108 | endef | |
109 | ||
110 | archclean: | |
111 | $(Q)$(MAKE) $(clean)=arch/ppc/boot | |
b35b7072 SR |
112 | # Temporary hack until we have migrated to asm-powerpc |
113 | $(Q)rm -rf arch/$(ARCH)/include | |
1da177e4 | 114 | |
5bb78269 | 115 | archprepare: checkbin |
1da177e4 | 116 | |
45e2a6e4 | 117 | # Temporary hack until we have migrated to asm-powerpc |
b35b7072 SR |
118 | include/asm: arch/$(ARCH)/include/asm |
119 | arch/$(ARCH)/include/asm: | |
120 | $(Q)if [ ! -d arch/$(ARCH)/include ]; then mkdir -p arch/$(ARCH)/include; fi | |
121 | $(Q)ln -fsn $(srctree)/include/asm-powerpc arch/$(ARCH)/include/asm | |
45e2a6e4 | 122 | |
1da177e4 LT |
123 | # Use the file '.tmp_gas_check' for binutils tests, as gas won't output |
124 | # to stdout and these checks are run even on install targets. | |
125 | TOUT := .tmp_gas_check | |
126 | # Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later for altivec | |
127 | # instructions. | |
128 | # gcc-3.4 and binutils-2.14 are a fatal combination. | |
1da177e4 LT |
129 | |
130 | checkbin: | |
ad14336d | 131 | @if test "$(call cc-version)" = "0304" ; then \ |
1da177e4 LT |
132 | if ! /bin/echo mftb 5 | $(AS) -v -mppc -many -o $(TOUT) >/dev/null 2>&1 ; then \ |
133 | echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build '; \ | |
134 | echo 'correctly with gcc-3.4 and your version of binutils.'; \ | |
135 | echo '*** Please upgrade your binutils or downgrade your gcc'; \ | |
136 | false; \ | |
137 | fi ; \ | |
138 | fi | |
139 | @if ! /bin/echo dssall | $(AS) -many -o $(TOUT) >/dev/null 2>&1 ; then \ | |
140 | echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build ' ; \ | |
141 | echo 'correctly with old versions of binutils.' ; \ | |
142 | echo '*** Please upgrade your binutils to 2.12.1 or newer' ; \ | |
143 | false ; \ | |
144 | fi | |
145 | ||
0013a854 | 146 | CLEAN_FILES += $(TOUT) |
1da177e4 | 147 |