[libata] sata_sx4: fixup interrupt handling
[linux/fpc-iii.git] / arch / powerpc / Makefile
blob551fc58c05cf7d4299acf91b71fa0f395ac75ed9
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.
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.
10 # Copyright (C) 1994 by Linus Torvalds
11 # Changes for PPC by Gary Thomas
12 # Rewritten by Cort Dougan and Paul Mackerras
15 HAS_BIARCH := $(call cc-option-yn, -m32)
17 # Set default 32 bits cross compilers for vdso and boot wrapper
18 CROSS32_COMPILE ?=
20 CROSS32CC := $(CROSS32_COMPILE)gcc
21 CROSS32AR := $(CROSS32_COMPILE)ar
23 ifeq ($(HAS_BIARCH),y)
24 ifeq ($(CROSS32_COMPILE),)
25 CROSS32CC := $(CC) -m32
26 CROSS32AR := GNUTARGET=elf32-powerpc $(AR)
27 endif
28 endif
30 export CROSS32CC CROSS32AR
32 ifeq ($(CROSS_COMPILE),)
33 KBUILD_DEFCONFIG := $(shell uname -m)_defconfig
34 else
35 KBUILD_DEFCONFIG := ppc64_defconfig
36 endif
38 ifeq ($(CONFIG_PPC64),y)
39 OLDARCH := ppc64
41 new_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi)
43 ifeq ($(new_nm),y)
44 NM := $(NM) --synthetic
45 endif
47 else
48 OLDARCH := ppc
49 endif
51 # It seems there are times we use this Makefile without
52 # including the config file, but this replicates the old behaviour
53 ifeq ($(CONFIG_WORD_SIZE),)
54 CONFIG_WORD_SIZE := 32
55 endif
57 UTS_MACHINE := $(OLDARCH)
59 ifeq ($(HAS_BIARCH),y)
60 override AS += -a$(CONFIG_WORD_SIZE)
61 override LD += -m elf$(CONFIG_WORD_SIZE)ppc
62 override CC += -m$(CONFIG_WORD_SIZE)
63 override AR := GNUTARGET=elf$(CONFIG_WORD_SIZE)-powerpc $(AR)
64 endif
66 LDFLAGS_vmlinux-yy := -Bstatic
67 LDFLAGS_vmlinux-$(CONFIG_PPC64)$(CONFIG_RELOCATABLE) := -pie
68 LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-yy)
70 CFLAGS-$(CONFIG_PPC64) := -mminimal-toc -mtraceback=none -mcall-aixdesc
71 CFLAGS-$(CONFIG_PPC32) := -ffixed-r2 -mmultiple
72 KBUILD_CPPFLAGS += -Iarch/$(ARCH)
73 KBUILD_AFLAGS += -Iarch/$(ARCH)
74 KBUILD_CFLAGS += -msoft-float -pipe -Iarch/$(ARCH) $(CFLAGS-y)
75 CPP = $(CC) -E $(KBUILD_CFLAGS)
77 CHECKFLAGS += -m$(CONFIG_WORD_SIZE) -D__powerpc__ -D__powerpc$(CONFIG_WORD_SIZE)__
79 ifeq ($(CONFIG_PPC64),y)
80 GCC_BROKEN_VEC := $(shell if [ $(call cc-version) -lt 0400 ] ; then echo "y"; fi)
82 ifeq ($(CONFIG_POWER4_ONLY),y)
83 ifeq ($(CONFIG_ALTIVEC),y)
84 ifeq ($(GCC_BROKEN_VEC),y)
85 KBUILD_CFLAGS += $(call cc-option,-mcpu=970)
86 else
87 KBUILD_CFLAGS += $(call cc-option,-mcpu=power4)
88 endif
89 else
90 KBUILD_CFLAGS += $(call cc-option,-mcpu=power4)
91 endif
92 else
93 KBUILD_CFLAGS += $(call cc-option,-mtune=power4)
94 endif
95 else
96 LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
97 endif
99 ifeq ($(CONFIG_TUNE_CELL),y)
100 KBUILD_CFLAGS += $(call cc-option,-mtune=cell)
101 endif
103 # No AltiVec instruction when building kernel
104 KBUILD_CFLAGS += $(call cc-option,-mno-altivec)
106 # No SPE instruction when building kernel
107 # (We use all available options to help semi-broken compilers)
108 KBUILD_CFLAGS += $(call cc-option,-mno-spe)
109 KBUILD_CFLAGS += $(call cc-option,-mspe=no)
111 # Enable unit-at-a-time mode when possible. It shrinks the
112 # kernel considerably.
113 KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
115 # Never use string load/store instructions as they are
116 # often slow when they are implemented at all
117 KBUILD_CFLAGS += -mno-string
119 ifeq ($(CONFIG_6xx),y)
120 KBUILD_CFLAGS += -mcpu=powerpc
121 endif
123 # Work around a gcc code-gen bug with -fno-omit-frame-pointer.
124 ifeq ($(CONFIG_FUNCTION_TRACER),y)
125 KBUILD_CFLAGS += -mno-sched-epilog
126 endif
128 cpu-as-$(CONFIG_4xx) += -Wa,-m405
129 cpu-as-$(CONFIG_6xx) += -Wa,-maltivec
130 cpu-as-$(CONFIG_POWER4) += -Wa,-maltivec
131 cpu-as-$(CONFIG_E500) += -Wa,-me500
132 cpu-as-$(CONFIG_E200) += -Wa,-me200
134 KBUILD_AFLAGS += $(cpu-as-y)
135 KBUILD_CFLAGS += $(cpu-as-y)
137 head-y := arch/powerpc/kernel/head_$(CONFIG_WORD_SIZE).o
138 head-$(CONFIG_8xx) := arch/powerpc/kernel/head_8xx.o
139 head-$(CONFIG_40x) := arch/powerpc/kernel/head_40x.o
140 head-$(CONFIG_44x) := arch/powerpc/kernel/head_44x.o
141 head-$(CONFIG_FSL_BOOKE) := arch/powerpc/kernel/head_fsl_booke.o
143 head-$(CONFIG_PPC64) += arch/powerpc/kernel/entry_64.o
144 head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o
146 core-y += arch/powerpc/kernel/ \
147 arch/powerpc/mm/ \
148 arch/powerpc/lib/ \
149 arch/powerpc/sysdev/ \
150 arch/powerpc/platforms/ \
151 arch/powerpc/math-emu/
152 core-$(CONFIG_XMON) += arch/powerpc/xmon/
153 core-$(CONFIG_KVM) += arch/powerpc/kvm/
155 drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/
157 # Default to zImage, override when needed
158 all: zImage
160 CPPFLAGS_vmlinux.lds := -Upowerpc
162 BOOT_TARGETS = zImage zImage.initrd uImage zImage% dtbImage% treeImage.% cuImage.% simpleImage.%
164 PHONY += $(BOOT_TARGETS)
166 boot := arch/$(ARCH)/boot
168 $(BOOT_TARGETS): vmlinux
169 $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
171 bootwrapper_install %.dtb:
172 $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
174 define archhelp
175 @echo '* zImage - Build default images selected by kernel config'
176 @echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)'
177 @echo ' uImage - U-Boot native image format'
178 @echo ' cuImage.<dt> - Backwards compatible U-Boot image for older'
179 @echo ' versions which do not support device trees'
180 @echo ' dtbImage.<dt> - zImage with an embedded device tree blob'
181 @echo ' simpleImage.<dt> - Firmware independent image.'
182 @echo ' treeImage.<dt> - Support for older IBM 4xx firmware (not U-Boot)'
183 @echo ' install - Install kernel using'
184 @echo ' (your) ~/bin/installkernel or'
185 @echo ' (distribution) /sbin/installkernel or'
186 @echo ' install to $$(INSTALL_PATH) and run lilo'
187 @echo ' *_defconfig - Select default config from arch/$(ARCH)/configs'
188 @echo ''
189 @echo ' Targets with <dt> embed a device tree blob inside the image'
190 @echo ' These targets support board with firmware that does not'
191 @echo ' support passing a device tree directly. Replace <dt> with the'
192 @echo ' name of a dts file from the arch/$(ARCH)/boot/dts/ directory'
193 @echo ' (minus the .dts extension).'
194 endef
196 install:
197 $(Q)$(MAKE) $(build)=$(boot) install
199 vdso_install:
200 ifeq ($(CONFIG_PPC64),y)
201 $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@
202 endif
203 $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@
205 archclean:
206 $(Q)$(MAKE) $(clean)=$(boot)
208 archprepare: checkbin
210 # Use the file '.tmp_gas_check' for binutils tests, as gas won't output
211 # to stdout and these checks are run even on install targets.
212 TOUT := .tmp_gas_check
213 # Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later for altivec
214 # instructions.
215 # gcc-3.4 and binutils-2.14 are a fatal combination.
217 checkbin:
218 @if test "$(call cc-version)" = "0304" ; then \
219 if ! /bin/echo mftb 5 | $(AS) -v -mppc -many -o $(TOUT) >/dev/null 2>&1 ; then \
220 echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build '; \
221 echo 'correctly with gcc-3.4 and your version of binutils.'; \
222 echo '*** Please upgrade your binutils or downgrade your gcc'; \
223 false; \
224 fi ; \
226 @if test "$(call cc-fullversion)" = "040200" \
227 && test "x${CONFIG_MODULES}${CONFIG_PPC64}" = "xyy" ; then \
228 echo -n '*** GCC-4.2.0 cannot compile the 64-bit powerpc ' ; \
229 echo 'kernel with modules enabled.' ; \
230 echo -n '*** Please use a different GCC version or ' ; \
231 echo 'disable kernel modules' ; \
232 false ; \
234 @if ! /bin/echo dssall | $(AS) -many -o $(TOUT) >/dev/null 2>&1 ; then \
235 echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build ' ; \
236 echo 'correctly with old versions of binutils.' ; \
237 echo '*** Please upgrade your binutils to 2.12.1 or newer' ; \
238 false ; \
241 CLEAN_FILES += $(TOUT)