1 # 1 #
2 # arch/arm/Makefile <<
3 # <<
4 # This file is included by the global makefile 2 # This file is included by the global makefile so that you can add your own
5 # architecture-specific flags and dependencies !! 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 # 6 #
7 # This file is subject to the terms and condit 7 # This file is subject to the terms and conditions of the GNU General Public
8 # License. See the file "COPYING" in the main 8 # License. See the file "COPYING" in the main directory of this archive
9 # for more details. 9 # for more details.
10 # 10 #
11 # Copyright (C) 1995-2001 by Russell King !! 11 # Copyright (C) 1994 by Linus Torvalds
12 !! 12 # Changes for PPC by Gary Thomas
13 LDFLAGS_vmlinux := --no-undefined -X --pic-ven !! 13 # Rewritten by Cort Dougan and Paul Mackerras
14 ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) !! 14 #
15 LDFLAGS_vmlinux += --be8 <<
16 KBUILD_LDFLAGS_MODULE += --be8 <<
17 endif <<
18 <<
19 GZFLAGS :=-9 <<
20 #KBUILD_CFLAGS +=-pipe <<
21 15
22 # Never generate .eh_frame !! 16 # Be sure to change PAGE_OFFSET in include/asm-ppc/page.h to match
23 KBUILD_CFLAGS += $(call cc-option,-fno-dwarf !! 17 KERNELLOAD =$(CONFIG_KERNEL_START)
24 18
25 # Disable FDPIC ABI !! 19 LINKFLAGS = -T arch/ppc/vmlinux.lds -Ttext $(KERNELLOAD) -Bstatic
26 KBUILD_CFLAGS += $(call cc-option,-mno-fdpic !! 20 CPPFLAGS := $(CPPFLAGS) -I$(TOPDIR)/arch/$(ARCH)
>> 21 AFLAGS := $(AFLAGS) -I$(TOPDIR)/arch/$(ARCH)
>> 22 CFLAGS := $(CFLAGS) -I$(TOPDIR)/arch/$(ARCH) -fsigned-char \
>> 23 -msoft-float -pipe -ffixed-r2 -Wno-uninitialized \
>> 24 -mmultiple -mstring
>> 25 HOSTCFLAGS += -I$(TOPDIR)/arch/$(ARCH)
>> 26 CPP = $(CC) -E $(CFLAGS)
27 27
28 # This should work on most of the modern platf !! 28 ifdef CONFIG_4xx
29 KBUILD_DEFCONFIG := multi_v7_defconfig !! 29 CFLAGS := $(CFLAGS) -Wa,-m405
30 <<
31 # defines filename extension depending memory <<
32 ifeq ($(CONFIG_MMU),) <<
33 MMUEXT := -nommu <<
34 KBUILD_CFLAGS += $(call cc-option,-mno-unali <<
35 endif 30 endif
36 31
37 ifeq ($(CONFIG_FRAME_POINTER),y) !! 32 ifdef CONFIG_8xx
38 KBUILD_CFLAGS +=-fno-omit-frame-pointer !! 33 CFLAGS := $(CFLAGS) -mcpu=860
39 ifeq ($(CONFIG_CC_IS_GCC),y) <<
40 KBUILD_CFLAGS += -mapcs -mno-sched-prolog <<
41 endif 34 endif
>> 35
>> 36 ifdef CONFIG_PPC64BRIDGE
>> 37 CFLAGS := $(CFLAGS) -Wa,-mppc64bridge
42 endif 38 endif
43 39
44 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) !! 40 ifdef CONFIG_MORE_COMPILE_OPTIONS
45 KBUILD_CPPFLAGS += -mbig-endian !! 41 # Use sed to remove the quotes.
46 CHECKFLAGS += -D__ARMEB__ !! 42 CFLAGS += $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
47 KBUILD_LDFLAGS += -EB <<
48 else <<
49 KBUILD_CPPFLAGS += -mlittle-endian <<
50 CHECKFLAGS += -D__ARMEL__ <<
51 KBUILD_LDFLAGS += -EL <<
52 endif 43 endif
53 44
54 # !! 45 HEAD-y := arch/ppc/kernel/head.o
55 # The Scalar Replacement of Aggregates (SRA) o !! 46 HEAD-$(CONFIG_40x) := arch/ppc/kernel/head_4xx.o
56 # later may result in code being generated tha !! 47 HEAD-$(CONFIG_44x) := arch/ppc/kernel/head_44x.o
57 # char struct members incorrectly. So disable !! 48 HEAD-$(CONFIG_8xx) := arch/ppc/kernel/head_8xx.o
58 # (https://gcc.gnu.org/bugzilla/show_bug.cgi?i !! 49 HEAD-$(CONFIG_6xx) += arch/ppc/kernel/idle_6xx.o
59 # <<
60 KBUILD_CFLAGS += $(call cc-option,-fno-ipa-s <<
61 50
62 # This selects which instruction set is used. !! 51 HEAD := $(HEAD-y)
63 arch-$(CONFIG_CPU_32v7M) :=-march=armv7 <<
64 arch-$(CONFIG_CPU_32v7) :=-march=armv7 <<
65 arch-$(CONFIG_CPU_32v6) :=-march=armv6 <<
66 # Only override the compiler option if ARMv6. <<
67 # always available in ARMv7 <<
68 ifeq ($(CONFIG_CPU_32v6),y) <<
69 arch-$(CONFIG_CPU_32v6K) :=-march=armv6 <<
70 endif <<
71 arch-$(CONFIG_CPU_32v5) :=-march=armv5 <<
72 arch-$(CONFIG_CPU_32v4T) :=-march=armv4 <<
73 arch-$(CONFIG_CPU_32v4) :=-march=armv4 <<
74 arch-$(CONFIG_CPU_32v3) :=-march=armv3 <<
75 <<
76 # Note that GCC does not numerically define an <<
77 # macro, but instead defines a whole series of <<
78 # testing for a specific architecture or later <<
79 cpp-$(CONFIG_CPU_32v7M) :=-D__LINUX_AR <<
80 cpp-$(CONFIG_CPU_32v7) :=-D__LINUX_AR <<
81 cpp-$(CONFIG_CPU_32v6) :=-D__LINUX_AR <<
82 # Only override the compiler option if ARMv6. <<
83 # always available in ARMv7 <<
84 ifeq ($(CONFIG_CPU_32v6),y) <<
85 cpp-$(CONFIG_CPU_32v6K) :=-D__LINUX_AR <<
86 endif <<
87 cpp-$(CONFIG_CPU_32v5) :=-D__LINUX_AR <<
88 cpp-$(CONFIG_CPU_32v4T) :=-D__LINUX_AR <<
89 cpp-$(CONFIG_CPU_32v4) :=-D__LINUX_AR <<
90 cpp-$(CONFIG_CPU_32v3) :=-D__LINUX_AR <<
91 <<
92 # This selects how we optimise for the process <<
93 tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7t <<
94 tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7t <<
95 tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7t <<
96 tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9t <<
97 tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9t <<
98 tune-$(CONFIG_CPU_ARM946E) :=-mtune=arm9e <<
99 tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9t <<
100 tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9t <<
101 tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9t <<
102 tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9t <<
103 tune-$(CONFIG_CPU_FA526) :=-mtune=arm9t <<
104 tune-$(CONFIG_CPU_SA110) :=-mtune=stron <<
105 tune-$(CONFIG_CPU_SA1100) :=-mtune=stron <<
106 tune-$(CONFIG_CPU_XSCALE) :=-mtune=xscal <<
107 tune-$(CONFIG_CPU_XSC3) :=-mtune=xscal <<
108 tune-$(CONFIG_CPU_FEROCEON) :=-mtune=xscal <<
109 tune-$(CONFIG_CPU_V6) :=-mtune=arm11 <<
110 tune-$(CONFIG_CPU_V6K) :=-mtune=arm11 <<
111 <<
112 ifeq ($(CONFIG_AEABI),y) <<
113 CFLAGS_ABI :=-mabi=aapcs-linux -mfpu=vfp <<
114 else <<
115 CFLAGS_ABI :=$(call cc-option,-mapcs-32,- <<
116 endif <<
117 52
118 ifeq ($(CONFIG_ARM_UNWIND),y) !! 53 ARCH_SUBDIRS = arch/ppc/kernel arch/ppc/platforms arch/ppc/mm arch/ppc/lib
119 CFLAGS_ABI +=-funwind-tables !! 54 SUBDIRS := $(SUBDIRS) $(ARCH_SUBDIRS)
120 endif !! 55 CORE_FILES := arch/ppc/kernel/kernel.o arch/ppc/platforms/platform.o \
>> 56 arch/ppc/mm/mm.o arch/ppc/lib/lib.o $(CORE_FILES)
121 57
122 ifeq ($(CONFIG_CC_IS_CLANG),y) !! 58 ifdef CONFIG_MATH_EMULATION
123 CFLAGS_ABI += -meabi gnu !! 59 SUBDIRS += arch/ppc/math-emu
>> 60 CORE_FILES += arch/ppc/math-emu/math-emu.o
124 endif 61 endif
125 62
126 ifeq ($(CONFIG_CURRENT_POINTER_IN_TPIDRURO),y) !! 63 ifdef CONFIG_XMON
127 KBUILD_CFLAGS += -mtp=cp15 !! 64 SUBDIRS += arch/ppc/xmon
>> 65 CORE_FILES += arch/ppc/xmon/x.o
128 endif 66 endif
129 67
130 # Accept old syntax despite ".syntax unified" !! 68 MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
131 AFLAGS_NOWARN :=$(call as-option,-Wa$(comma) <<
132 69
133 # The GCC option -ffreestanding is required in !! 70 ifdef CONFIG_8xx
134 # ARM/NEON intrinsics in a non C99-compliant e !! 71 SUBDIRS += arch/ppc/8xx_io
135 CC_FLAGS_FPU := -ffreestanding !! 72 DRIVERS += arch/ppc/8xx_io/8xx_io.o
136 # Enable <arm_neon.h> <<
137 CC_FLAGS_FPU += -isystem $(shell $(CC) -pri <<
138 CC_FLAGS_FPU += -march=armv7-a -mfloat-abi= <<
139 <<
140 ifeq ($(CONFIG_THUMB2_KERNEL),y) <<
141 CFLAGS_ISA :=-Wa,-mimplicit-it=always $(A <<
142 AFLAGS_ISA :=$(CFLAGS_ISA) -Wa$(comma)-mt <<
143 CFLAGS_ISA +=-mthumb <<
144 else <<
145 CFLAGS_ISA :=$(call cc-option,-marm,) $(A <<
146 AFLAGS_ISA :=$(CFLAGS_ISA) <<
147 endif 73 endif
148 74
149 # Need -Uarm for gcc < 3.x !! 75 ifdef CONFIG_CPM2
150 KBUILD_CPPFLAGS +=$(cpp-y) !! 76 SUBDIRS += arch/ppc/cpm2_io
151 KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) !! 77 DRIVERS += arch/ppc/cpm2_io/cpm2_io.o
152 KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) <<
153 <<
154 CHECKFLAGS += -D__arm__ <<
155 <<
156 # Text offset. This list is sorted numerically <<
157 # provide a means to avoid/resolve conflicts i <<
158 # Note: the 32kB below this value is reserved <<
159 # during boot, and this offset is critical to <<
160 # kexec-tools. <<
161 textofs-y := 0x00008000 <<
162 # RTD1195 has Boot ROM at start of address spa <<
163 textofs-$(CONFIG_ARCH_REALTEK) := 0x00108000 <<
164 # SA1111 DMA bug: we don't want the kernel to <<
165 ifeq ($(CONFIG_ARCH_SA1100),y) <<
166 textofs-$(CONFIG_SA1111) := 0x00208000 <<
167 endif <<
168 textofs-$(CONFIG_ARCH_QCOM_RESERVE_SMEM) := 0x <<
169 textofs-$(CONFIG_ARCH_MESON) := 0x00208000 <<
170 textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000 <<
171 <<
172 # Machine directory name. This list is sorted <<
173 # by CONFIG_* macro name. <<
174 machine-$(CONFIG_ARCH_ACTIONS) += act <<
175 machine-$(CONFIG_ARCH_ALPINE) += alp <<
176 machine-$(CONFIG_ARCH_ARTPEC) += art <<
177 machine-$(CONFIG_ARCH_ASPEED) += asp <<
178 machine-$(CONFIG_ARCH_AT91) += at9 <<
179 machine-$(CONFIG_ARCH_AXXIA) += axx <<
180 machine-$(CONFIG_ARCH_BCM) += bcm <<
181 machine-$(CONFIG_ARCH_BERLIN) += ber <<
182 machine-$(CONFIG_ARCH_CLPS711X) += clp <<
183 machine-$(CONFIG_ARCH_DAVINCI) += dav <<
184 machine-$(CONFIG_ARCH_DIGICOLOR) += dig <<
185 machine-$(CONFIG_ARCH_DOVE) += dov <<
186 machine-$(CONFIG_ARCH_EXYNOS) += exy <<
187 machine-$(CONFIG_ARCH_FOOTBRIDGE) += foo <<
188 machine-$(CONFIG_ARCH_GEMINI) += gem <<
189 machine-$(CONFIG_ARCH_HIGHBANK) += hig <<
190 machine-$(CONFIG_ARCH_HISI) += his <<
191 machine-$(CONFIG_ARCH_HPE) += hpe <<
192 machine-$(CONFIG_ARCH_IXP4XX) += ixp <<
193 machine-$(CONFIG_ARCH_KEYSTONE) += key <<
194 machine-$(CONFIG_ARCH_LPC18XX) += lpc <<
195 machine-$(CONFIG_ARCH_LPC32XX) += lpc <<
196 machine-$(CONFIG_ARCH_MESON) += mes <<
197 machine-$(CONFIG_ARCH_MMP) += mmp <<
198 machine-$(CONFIG_ARCH_MV78XX0) += mv7 <<
199 machine-$(CONFIG_ARCH_MVEBU) += mve <<
200 machine-$(CONFIG_ARCH_MXC) += imx <<
201 machine-$(CONFIG_ARCH_MEDIATEK) += med <<
202 machine-$(CONFIG_ARCH_MILBEAUT) += mil <<
203 machine-$(CONFIG_ARCH_MXS) += mxs <<
204 machine-$(CONFIG_ARCH_MSTARV7) += mst <<
205 machine-$(CONFIG_ARCH_NOMADIK) += nom <<
206 machine-$(CONFIG_ARCH_NPCM) += npc <<
207 machine-$(CONFIG_ARCH_OMAP1) += oma <<
208 machine-$(CONFIG_ARCH_OMAP2PLUS) += oma <<
209 machine-$(CONFIG_ARCH_ORION5X) += ori <<
210 machine-$(CONFIG_ARCH_PXA) += pxa <<
211 machine-$(CONFIG_ARCH_QCOM) += qco <<
212 machine-$(CONFIG_ARCH_REALTEK) += rea <<
213 machine-$(CONFIG_ARCH_ROCKCHIP) += roc <<
214 machine-$(CONFIG_ARCH_RPC) += rpc <<
215 machine-$(CONFIG_PLAT_SAMSUNG) += s3c <<
216 machine-$(CONFIG_ARCH_S5PV210) += s5p <<
217 machine-$(CONFIG_ARCH_SA1100) += sa1 <<
218 machine-$(CONFIG_ARCH_RENESAS) += shm <<
219 machine-$(CONFIG_ARCH_INTEL_SOCFPGA) += soc <<
220 machine-$(CONFIG_ARCH_STI) += sti <<
221 machine-$(CONFIG_ARCH_STM32) += stm <<
222 machine-$(CONFIG_ARCH_SUNXI) += sun <<
223 machine-$(CONFIG_ARCH_TEGRA) += teg <<
224 machine-$(CONFIG_ARCH_U8500) += ux5 <<
225 machine-$(CONFIG_ARCH_VT8500) += vt8 <<
226 machine-$(CONFIG_ARCH_ZYNQ) += zyn <<
227 machine-$(CONFIG_PLAT_VERSATILE) += ver <<
228 machine-$(CONFIG_PLAT_SPEAR) += spe <<
229 <<
230 # legacy platforms provide their own mach/*.h <<
231 # these three are mutually exclusive <<
232 machdirs-$(CONFIG_ARCH_FOOTBRIDGE) += arc <<
233 machdirs-$(CONFIG_ARCH_RPC) += arc <<
234 machdirs-$(CONFIG_ARCH_SA1100) += arc <<
235 KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/% <<
236 <<
237 # The byte offset of the kernel image in RAM f <<
238 TEXT_OFFSET := $(textofs-y) <<
239 <<
240 export TEXT_OFFSET GZFLAGS MMUEXT <<
241 <<
242 # If we have a machine-specific directory, the <<
243 core-y += $(patsubst <<
244 # For cleaning <<
245 core- += $(patsubst <<
246 <<
247 core-$(CONFIG_PLAT_ORION) += arch/arm/pl <<
248 <<
249 libs-y := arch/arm/li <<
250 <<
251 # Default target when executing plain make <<
252 boot := arch/arm/boot <<
253 ifeq ($(CONFIG_XIP_KERNEL),y) <<
254 KBUILD_IMAGE := $(boot)/xipImage <<
255 else <<
256 KBUILD_IMAGE := $(boot)/zImage <<
257 endif 78 endif
258 79
259 ifeq ($(CONFIG_STACKPROTECTOR_PER_TASK),y) !! 80 ifdef CONFIG_APUS
260 prepare: stack_protector_prepare !! 81 SUBDIRS += arch/ppc/amiga
261 ifeq ($(CONFIG_CC_HAVE_STACKPROTECTOR_TLS),y) !! 82 CORE_FILES += arch/ppc/amiga/amiga.o
262 stack_protector_prepare: prepare0 <<
263 $(eval KBUILD_CFLAGS += \ <<
264 -mstack-protector-guard=tls \ <<
265 -mstack-protector-guard-offset <<
266 awk '{if ($$2 == "TSK_ <<
267 include/genera <<
268 else <<
269 stack_protector_prepare: prepare0 <<
270 $(eval SSP_PLUGIN_CFLAGS := \ <<
271 -fplugin-arg-arm_ssp_per_task_ <<
272 awk '{if ($$2 == "TSK_ <<
273 include/genera <<
274 $(eval KBUILD_CFLAGS += $(SSP_PLUGIN_C <<
275 $(eval GCC_PLUGINS_CFLAGS += $(SSP_PLU <<
276 endif <<
277 endif 83 endif
278 84
279 all: $(notdir $(KBUILD_IMAGE)) !! 85 checks:
>> 86 @$(MAKE) -C arch/$(ARCH)/kernel checks
280 87
>> 88 BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd uImage
281 89
282 archheaders: !! 90 # All the instructions talk about "make bzImage".
283 $(Q)$(MAKE) $(build)=arch/arm/tools ua <<
284 <<
285 archprepare: <<
286 $(Q)$(MAKE) $(build)=arch/arm/tools ka <<
287 <<
288 # Convert bzImage to zImage <<
289 bzImage: zImage 91 bzImage: zImage
290 92
291 BOOT_TARGETS = zImage Image xipImage bootpI !! 93 $(BOOT_TARGETS): vmlinux
292 INSTALL_TARGETS = zinstall uinstall install !! 94 @$(MAKEBOOT) $@
293 95
294 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TAR !! 96 %_config: arch/ppc/configs/%_defconfig
>> 97 rm -f .config arch/ppc/defconfig
>> 98 cp -f arch/ppc/configs/$(@:config=defconfig) arch/ppc/defconfig
295 99
296 bootpImage uImage: zImage !! 100 archclean:
297 zImage: Image !! 101 rm -f arch/ppc/kernel/{mk_defs,ppc_defs.h,find_name,checks}
>> 102 @$(MAKEBOOT) clean
298 103
299 $(BOOT_TARGETS): vmlinux !! 104 archmrproper:
300 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ <<
301 @$(kecho) ' Kernel: $(boot)/$@ is rea <<
302 105
303 $(INSTALL_TARGETS): KBUILD_IMAGE = $(boot)/$(p !! 106 archdep: scripts/mkdep
304 $(INSTALL_TARGETS): !! 107 $(MAKEBOOT) fastdep
305 $(call cmd,install) <<
306 <<
307 vdso-install-$(CONFIG_VDSO) += arch/arm/vdso/v <<
308 <<
309 # My testing targets (bypasses dependencies) <<
310 bp:; $(Q)$(MAKE) $(build)=$(boot) $(boot)/b <<
311 <<
312 include $(srctree)/scripts/Makefile.defconf <<
313 PHONY += multi_v7_lpae_defconfig <<
314 multi_v7_lpae_defconfig: <<
315 $(call merge_into_defconfig,multi_v7_d <<
316 <<
317 define archhelp <<
318 echo '* zImage - Compressed kernel i <<
319 echo ' Image - Uncompressed kernel <<
320 echo '* xipImage - XIP kernel image, i <<
321 echo ' uImage - U-Boot wrapped zIma <<
322 echo ' bootpImage - Combined zImage and <<
323 echo ' (supply initrd imag <<
324 echo ' install - Install uncompresse <<
325 echo ' zinstall - Install compressed <<
326 echo ' uinstall - Install U-Boot wrap <<
327 echo ' Install using (your <<
328 echo ' (distribution) /sbi <<
329 echo ' install to $$(INSTA <<
330 echo <<
331 echo ' multi_v7_lpae_defconfig - multi <<
332 endef <<
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