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1#
2# arch/arm/Makefile
3#
4# This file is included by the global makefile so that you can add your own
5# architecture-specific flags and dependencies.
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) 1995-2001 by Russell King
12
13# Ensure linker flags are correct
14LDFLAGS :=
15
16LDFLAGS_vmlinux :=-p --no-undefined -X
17ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
18LDFLAGS_vmlinux += --be8
19LDFLAGS_MODULE += --be8
20endif
21
22OBJCOPYFLAGS :=-O binary -R .comment -S
23GZFLAGS :=-9
24#KBUILD_CFLAGS +=-pipe
25
26# Never generate .eh_frame
27KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm)
28
29# Do not use arch/arm/defconfig - it's always outdated.
30# Select a platform tht is kept up-to-date
31KBUILD_DEFCONFIG := versatile_defconfig
32
33# defines filename extension depending memory management type.
34ifeq ($(CONFIG_MMU),)
35MMUEXT := -nommu
36KBUILD_CFLAGS += $(call cc-option,-mno-unaligned-access)
37endif
38
39ifeq ($(CONFIG_FRAME_POINTER),y)
40KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
41endif
42
43ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
44KBUILD_CPPFLAGS += -mbig-endian
45AS += -EB
46LD += -EB
47else
48KBUILD_CPPFLAGS += -mlittle-endian
49AS += -EL
50LD += -EL
51endif
52
53comma = ,
54
55# This selects which instruction set is used.
56# Note that GCC does not numerically define an architecture version
57# macro, but instead defines a whole series of macros which makes
58# testing for a specific architecture or later rather impossible.
59arch-$(CONFIG_CPU_32v7M) =-D__LINUX_ARM_ARCH__=7 -march=armv7-m -Wa,-march=armv7-m
60arch-$(CONFIG_CPU_32v7) =-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
61arch-$(CONFIG_CPU_32v6) =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
62# Only override the compiler option if ARMv6. The ARMv6K extensions are
63# always available in ARMv7
64ifeq ($(CONFIG_CPU_32v6),y)
65arch-$(CONFIG_CPU_32v6K) =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
66endif
67arch-$(CONFIG_CPU_32v5) =-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
68arch-$(CONFIG_CPU_32v4T) =-D__LINUX_ARM_ARCH__=4 -march=armv4t
69arch-$(CONFIG_CPU_32v4) =-D__LINUX_ARM_ARCH__=4 -march=armv4
70arch-$(CONFIG_CPU_32v3) =-D__LINUX_ARM_ARCH__=3 -march=armv3
71
72# Evaluate arch cc-option calls now
73arch-y := $(arch-y)
74
75# This selects how we optimise for the processor.
76tune-$(CONFIG_CPU_ARM7TDMI) =-mtune=arm7tdmi
77tune-$(CONFIG_CPU_ARM720T) =-mtune=arm7tdmi
78tune-$(CONFIG_CPU_ARM740T) =-mtune=arm7tdmi
79tune-$(CONFIG_CPU_ARM9TDMI) =-mtune=arm9tdmi
80tune-$(CONFIG_CPU_ARM940T) =-mtune=arm9tdmi
81tune-$(CONFIG_CPU_ARM946E) =$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
82tune-$(CONFIG_CPU_ARM920T) =-mtune=arm9tdmi
83tune-$(CONFIG_CPU_ARM922T) =-mtune=arm9tdmi
84tune-$(CONFIG_CPU_ARM925T) =-mtune=arm9tdmi
85tune-$(CONFIG_CPU_ARM926T) =-mtune=arm9tdmi
86tune-$(CONFIG_CPU_FA526) =-mtune=arm9tdmi
87tune-$(CONFIG_CPU_SA110) =-mtune=strongarm110
88tune-$(CONFIG_CPU_SA1100) =-mtune=strongarm1100
89tune-$(CONFIG_CPU_XSCALE) =$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
90tune-$(CONFIG_CPU_XSC3) =$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
91tune-$(CONFIG_CPU_FEROCEON) =$(call cc-option,-mtune=marvell-f,-mtune=xscale)
92tune-$(CONFIG_CPU_V6) =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
93tune-$(CONFIG_CPU_V6K) =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
94
95# Evaluate tune cc-option calls now
96tune-y := $(tune-y)
97
98ifeq ($(CONFIG_AEABI),y)
99CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork -mfpu=vfp
100else
101CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
102endif
103
104ifeq ($(CONFIG_ARM_UNWIND),y)
105CFLAGS_ABI +=-funwind-tables
106endif
107
108ifeq ($(CONFIG_THUMB2_KERNEL),y)
109AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
110AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
111CFLAGS_ISA :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
112AFLAGS_ISA :=$(CFLAGS_ISA) -Wa$(comma)-mthumb
113# Work around buggy relocation from gas if requested:
114ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y)
115CFLAGS_MODULE +=-fno-optimize-sibling-calls
116endif
117else
118CFLAGS_ISA :=$(call cc-option,-marm,)
119AFLAGS_ISA :=$(CFLAGS_ISA)
120endif
121
122# Need -Uarm for gcc < 3.x
123KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
124KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
125
126CHECKFLAGS += -D__arm__
127
128#Default value
129head-y := arch/arm/kernel/head$(MMUEXT).o
130textofs-y := 0x00008000
131textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
132# We don't want the htc bootloader to corrupt kernel during resume
133textofs-$(CONFIG_PM_H1940) := 0x00108000
134# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
135ifeq ($(CONFIG_ARCH_SA1100),y)
136textofs-$(CONFIG_SA1111) := 0x00208000
137endif
138textofs-$(CONFIG_ARCH_MSM7X30) := 0x00208000
139textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
140textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
141
142# Machine directory name. This list is sorted alphanumerically
143# by CONFIG_* macro name.
144machine-$(CONFIG_ARCH_AT91) += at91
145machine-$(CONFIG_ARCH_BCM) += bcm
146machine-$(CONFIG_ARCH_BERLIN) += berlin
147machine-$(CONFIG_ARCH_CLPS711X) += clps711x
148machine-$(CONFIG_ARCH_CNS3XXX) += cns3xxx
149machine-$(CONFIG_ARCH_DAVINCI) += davinci
150machine-$(CONFIG_ARCH_DOVE) += dove
151machine-$(CONFIG_ARCH_EBSA110) += ebsa110
152machine-$(CONFIG_ARCH_EFM32) += efm32
153machine-$(CONFIG_ARCH_EP93XX) += ep93xx
154machine-$(CONFIG_ARCH_EXYNOS) += exynos
155machine-$(CONFIG_ARCH_GEMINI) += gemini
156machine-$(CONFIG_ARCH_HIGHBANK) += highbank
157machine-$(CONFIG_ARCH_HI3xxx) += hisi
158machine-$(CONFIG_ARCH_INTEGRATOR) += integrator
159machine-$(CONFIG_ARCH_IOP13XX) += iop13xx
160machine-$(CONFIG_ARCH_IOP32X) += iop32x
161machine-$(CONFIG_ARCH_IOP33X) += iop33x
162machine-$(CONFIG_ARCH_IXP4XX) += ixp4xx
163machine-$(CONFIG_ARCH_KEYSTONE) += keystone
164machine-$(CONFIG_ARCH_KIRKWOOD) += kirkwood
165machine-$(CONFIG_ARCH_KS8695) += ks8695
166machine-$(CONFIG_ARCH_LPC32XX) += lpc32xx
167machine-$(CONFIG_ARCH_MMP) += mmp
168machine-$(CONFIG_ARCH_MOXART) += moxart
169machine-$(CONFIG_ARCH_MSM) += msm
170machine-$(CONFIG_ARCH_MV78XX0) += mv78xx0
171machine-$(CONFIG_ARCH_MVEBU) += mvebu
172machine-$(CONFIG_ARCH_MXC) += imx
173machine-$(CONFIG_ARCH_MXS) += mxs
174machine-$(CONFIG_ARCH_NETX) += netx
175machine-$(CONFIG_ARCH_NOMADIK) += nomadik
176machine-$(CONFIG_ARCH_NSPIRE) += nspire
177machine-$(CONFIG_ARCH_OMAP1) += omap1
178machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2
179machine-$(CONFIG_ARCH_ORION5X) += orion5x
180machine-$(CONFIG_ARCH_PICOXCELL) += picoxcell
181machine-$(CONFIG_ARCH_PXA) += pxa
182machine-$(CONFIG_ARCH_QCOM) += qcom
183machine-$(CONFIG_ARCH_REALVIEW) += realview
184machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip
185machine-$(CONFIG_ARCH_RPC) += rpc
186machine-$(CONFIG_ARCH_S3C24XX) += s3c24xx
187machine-$(CONFIG_ARCH_S3C64XX) += s3c64xx
188machine-$(CONFIG_ARCH_S5P64X0) += s5p64x0
189machine-$(CONFIG_ARCH_S5PC100) += s5pc100
190machine-$(CONFIG_ARCH_S5PV210) += s5pv210
191machine-$(CONFIG_ARCH_SA1100) += sa1100
192machine-$(CONFIG_ARCH_SHMOBILE) += shmobile
193machine-$(CONFIG_ARCH_SIRF) += prima2
194machine-$(CONFIG_ARCH_SOCFPGA) += socfpga
195machine-$(CONFIG_ARCH_STI) += sti
196machine-$(CONFIG_ARCH_SUNXI) += sunxi
197machine-$(CONFIG_ARCH_TEGRA) += tegra
198machine-$(CONFIG_ARCH_U300) += u300
199machine-$(CONFIG_ARCH_U8500) += ux500
200machine-$(CONFIG_ARCH_VERSATILE) += versatile
201machine-$(CONFIG_ARCH_VEXPRESS) += vexpress
202machine-$(CONFIG_ARCH_VT8500) += vt8500
203machine-$(CONFIG_ARCH_W90X900) += w90x900
204machine-$(CONFIG_ARCH_ZYNQ) += zynq
205machine-$(CONFIG_FOOTBRIDGE) += footbridge
206machine-$(CONFIG_PLAT_SPEAR) += spear
207
208# Platform directory name. This list is sorted alphanumerically
209# by CONFIG_* macro name.
210plat-$(CONFIG_ARCH_EXYNOS) += samsung
211plat-$(CONFIG_ARCH_OMAP) += omap
212plat-$(CONFIG_ARCH_S3C64XX) += samsung
213plat-$(CONFIG_PLAT_IOP) += iop
214plat-$(CONFIG_PLAT_ORION) += orion
215plat-$(CONFIG_PLAT_PXA) += pxa
216plat-$(CONFIG_PLAT_S3C24XX) += samsung
217plat-$(CONFIG_PLAT_S5P) += samsung
218plat-$(CONFIG_PLAT_VERSATILE) += versatile
219
220ifeq ($(CONFIG_ARCH_EBSA110),y)
221# This is what happens if you forget the IOCS16 line.
222# PCMCIA cards stop working.
223CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
224export CFLAGS_3c589_cs.o
225endif
226
227# The byte offset of the kernel image in RAM from the start of RAM.
228TEXT_OFFSET := $(textofs-y)
229
230# The first directory contains additional information for the boot setup code
231ifneq ($(machine-y),)
232MACHINE := arch/arm/mach-$(word 1,$(machine-y))/
233else
234MACHINE :=
235endif
236ifeq ($(CONFIG_ARCH_MULTIPLATFORM),y)
237MACHINE :=
238endif
239
240machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
241platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y))
242
243ifneq ($(CONFIG_ARCH_MULTIPLATFORM),y)
244ifeq ($(KBUILD_SRC),)
245KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
246else
247KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
248endif
249endif
250
251export TEXT_OFFSET GZFLAGS MMUEXT
252
253# Do we have FASTFPE?
254FASTFPE :=arch/arm/fastfpe
255ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
256FASTFPE_OBJ :=$(FASTFPE)/
257endif
258
259core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe
260core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
261core-$(CONFIG_VFP) += arch/arm/vfp/
262core-$(CONFIG_XEN) += arch/arm/xen/
263core-$(CONFIG_KVM_ARM_HOST) += arch/arm/kvm/
264
265# If we have a machine-specific directory, then include it in the build.
266core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
267core-y += arch/arm/net/
268core-y += arch/arm/crypto/
269core-y += arch/arm/firmware/
270core-y += $(machdirs) $(platdirs)
271
272drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
273
274libs-y := arch/arm/lib/ $(libs-y)
275
276# Default target when executing plain make
277ifeq ($(CONFIG_XIP_KERNEL),y)
278KBUILD_IMAGE := xipImage
279else
280KBUILD_IMAGE := zImage
281endif
282
283# Build the DT binary blobs if we have OF configured
284ifeq ($(CONFIG_USE_OF),y)
285KBUILD_DTBS := dtbs
286endif
287
288all: $(KBUILD_IMAGE) $(KBUILD_DTBS)
289
290boot := arch/arm/boot
291
292archprepare:
293 $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h
294
295# Convert bzImage to zImage
296bzImage: zImage
297
298BOOT_TARGETS = zImage Image xipImage bootpImage uImage
299INSTALL_TARGETS = zinstall uinstall install
300
301PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
302
303$(BOOT_TARGETS): vmlinux
304 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
305
306$(INSTALL_TARGETS):
307 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
308
309%.dtb: | scripts
310 $(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) $(boot)/dts/$@
311
312PHONY += dtbs dtbs_install
313dtbs dtbs_install: prepare scripts
314 $(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) $@
315
316# We use MRPROPER_FILES and CLEAN_FILES now
317archclean:
318 $(Q)$(MAKE) $(clean)=$(boot)
319
320# My testing targets (bypasses dependencies)
321bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
322i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
323
324
325define archhelp
326 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
327 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
328 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
329 echo ' uImage - U-Boot wrapped zImage'
330 echo ' bootpImage - Combined zImage and initial RAM disk'
331 echo ' (supply initrd image via make variable INITRD=<path>)'
332 echo '* dtbs - Build device tree blobs for enabled boards'
333 echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'
334 echo ' install - Install uncompressed kernel'
335 echo ' zinstall - Install compressed kernel'
336 echo ' uinstall - Install U-Boot wrapped compressed kernel'
337 echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or'
338 echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
339 echo ' install to $$(INSTALL_PATH) and run lilo'
340endef
1#
2# arch/arm/Makefile
3#
4# This file is included by the global makefile so that you can add your own
5# architecture-specific flags and dependencies.
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) 1995-2001 by Russell King
12
13# Ensure linker flags are correct
14LDFLAGS :=
15
16LDFLAGS_vmlinux :=-p --no-undefined -X --pic-veneer
17ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
18LDFLAGS_vmlinux += --be8
19KBUILD_LDFLAGS_MODULE += --be8
20endif
21
22ifeq ($(CONFIG_ARM_MODULE_PLTS),y)
23KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/arm/kernel/module.lds
24endif
25
26GZFLAGS :=-9
27#KBUILD_CFLAGS +=-pipe
28
29# Never generate .eh_frame
30KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm)
31
32# This should work on most of the modern platforms
33KBUILD_DEFCONFIG := multi_v7_defconfig
34
35# defines filename extension depending memory management type.
36ifeq ($(CONFIG_MMU),)
37MMUEXT := -nommu
38KBUILD_CFLAGS += $(call cc-option,-mno-unaligned-access)
39endif
40
41ifeq ($(CONFIG_FRAME_POINTER),y)
42KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
43endif
44
45ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
46KBUILD_CPPFLAGS += -mbig-endian
47CHECKFLAGS += -D__ARMEB__
48AS += -EB
49LD += -EB
50else
51KBUILD_CPPFLAGS += -mlittle-endian
52CHECKFLAGS += -D__ARMEL__
53AS += -EL
54LD += -EL
55endif
56
57#
58# The Scalar Replacement of Aggregates (SRA) optimization pass in GCC 4.9 and
59# later may result in code being generated that handles signed short and signed
60# char struct members incorrectly. So disable it.
61# (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65932)
62#
63KBUILD_CFLAGS += $(call cc-option,-fno-ipa-sra)
64
65# This selects which instruction set is used.
66# Note that GCC does not numerically define an architecture version
67# macro, but instead defines a whole series of macros which makes
68# testing for a specific architecture or later rather impossible.
69arch-$(CONFIG_CPU_32v7M) =-D__LINUX_ARM_ARCH__=7 -march=armv7-m -Wa,-march=armv7-m
70arch-$(CONFIG_CPU_32v7) =-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
71arch-$(CONFIG_CPU_32v6) =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
72# Only override the compiler option if ARMv6. The ARMv6K extensions are
73# always available in ARMv7
74ifeq ($(CONFIG_CPU_32v6),y)
75arch-$(CONFIG_CPU_32v6K) =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
76endif
77arch-$(CONFIG_CPU_32v5) =-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
78arch-$(CONFIG_CPU_32v4T) =-D__LINUX_ARM_ARCH__=4 -march=armv4t
79arch-$(CONFIG_CPU_32v4) =-D__LINUX_ARM_ARCH__=4 -march=armv4
80arch-$(CONFIG_CPU_32v3) =-D__LINUX_ARM_ARCH__=3 -march=armv3
81
82# Evaluate arch cc-option calls now
83arch-y := $(arch-y)
84
85# This selects how we optimise for the processor.
86tune-$(CONFIG_CPU_ARM7TDMI) =-mtune=arm7tdmi
87tune-$(CONFIG_CPU_ARM720T) =-mtune=arm7tdmi
88tune-$(CONFIG_CPU_ARM740T) =-mtune=arm7tdmi
89tune-$(CONFIG_CPU_ARM9TDMI) =-mtune=arm9tdmi
90tune-$(CONFIG_CPU_ARM940T) =-mtune=arm9tdmi
91tune-$(CONFIG_CPU_ARM946E) =$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
92tune-$(CONFIG_CPU_ARM920T) =-mtune=arm9tdmi
93tune-$(CONFIG_CPU_ARM922T) =-mtune=arm9tdmi
94tune-$(CONFIG_CPU_ARM925T) =-mtune=arm9tdmi
95tune-$(CONFIG_CPU_ARM926T) =-mtune=arm9tdmi
96tune-$(CONFIG_CPU_FA526) =-mtune=arm9tdmi
97tune-$(CONFIG_CPU_SA110) =-mtune=strongarm110
98tune-$(CONFIG_CPU_SA1100) =-mtune=strongarm1100
99tune-$(CONFIG_CPU_XSCALE) =$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
100tune-$(CONFIG_CPU_XSC3) =$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
101tune-$(CONFIG_CPU_FEROCEON) =$(call cc-option,-mtune=marvell-f,-mtune=xscale)
102tune-$(CONFIG_CPU_V6) =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
103tune-$(CONFIG_CPU_V6K) =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
104
105# Evaluate tune cc-option calls now
106tune-y := $(tune-y)
107
108ifeq ($(CONFIG_AEABI),y)
109CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork -mfpu=vfp
110else
111CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
112endif
113
114ifeq ($(CONFIG_ARM_UNWIND),y)
115CFLAGS_ABI +=-funwind-tables
116endif
117
118# Accept old syntax despite ".syntax unified"
119AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
120
121ifeq ($(CONFIG_THUMB2_KERNEL),y)
122AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
123CFLAGS_ISA :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
124AFLAGS_ISA :=$(CFLAGS_ISA) -Wa$(comma)-mthumb
125# Work around buggy relocation from gas if requested:
126ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y)
127KBUILD_CFLAGS_MODULE +=-fno-optimize-sibling-calls
128endif
129else
130CFLAGS_ISA :=$(call cc-option,-marm,) $(AFLAGS_NOWARN)
131AFLAGS_ISA :=$(CFLAGS_ISA)
132endif
133
134# Need -Uarm for gcc < 3.x
135KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
136KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
137
138CHECKFLAGS += -D__arm__ -m32
139
140#Default value
141head-y := arch/arm/kernel/head$(MMUEXT).o
142
143# Text offset. This list is sorted numerically by address in order to
144# provide a means to avoid/resolve conflicts in multi-arch kernels.
145textofs-y := 0x00008000
146# We don't want the htc bootloader to corrupt kernel during resume
147textofs-$(CONFIG_PM_H1940) := 0x00108000
148# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
149ifeq ($(CONFIG_ARCH_SA1100),y)
150textofs-$(CONFIG_SA1111) := 0x00208000
151endif
152textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
153textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
154textofs-$(CONFIG_ARCH_MESON) := 0x00208000
155textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000
156
157# Machine directory name. This list is sorted alphanumerically
158# by CONFIG_* macro name.
159machine-$(CONFIG_ARCH_ACTIONS) += actions
160machine-$(CONFIG_ARCH_ALPINE) += alpine
161machine-$(CONFIG_ARCH_ARTPEC) += artpec
162machine-$(CONFIG_ARCH_AT91) += at91
163machine-$(CONFIG_ARCH_AXXIA) += axxia
164machine-$(CONFIG_ARCH_BCM) += bcm
165machine-$(CONFIG_ARCH_BERLIN) += berlin
166machine-$(CONFIG_ARCH_CLPS711X) += clps711x
167machine-$(CONFIG_ARCH_CNS3XXX) += cns3xxx
168machine-$(CONFIG_ARCH_DAVINCI) += davinci
169machine-$(CONFIG_ARCH_DIGICOLOR) += digicolor
170machine-$(CONFIG_ARCH_DOVE) += dove
171machine-$(CONFIG_ARCH_EBSA110) += ebsa110
172machine-$(CONFIG_ARCH_EFM32) += efm32
173machine-$(CONFIG_ARCH_EP93XX) += ep93xx
174machine-$(CONFIG_ARCH_EXYNOS) += exynos
175machine-$(CONFIG_ARCH_FOOTBRIDGE) += footbridge
176machine-$(CONFIG_ARCH_GEMINI) += gemini
177machine-$(CONFIG_ARCH_HIGHBANK) += highbank
178machine-$(CONFIG_ARCH_HISI) += hisi
179machine-$(CONFIG_ARCH_INTEGRATOR) += integrator
180machine-$(CONFIG_ARCH_IOP13XX) += iop13xx
181machine-$(CONFIG_ARCH_IOP32X) += iop32x
182machine-$(CONFIG_ARCH_IOP33X) += iop33x
183machine-$(CONFIG_ARCH_IXP4XX) += ixp4xx
184machine-$(CONFIG_ARCH_KEYSTONE) += keystone
185machine-$(CONFIG_ARCH_KS8695) += ks8695
186machine-$(CONFIG_ARCH_LPC18XX) += lpc18xx
187machine-$(CONFIG_ARCH_LPC32XX) += lpc32xx
188machine-$(CONFIG_ARCH_MESON) += meson
189machine-$(CONFIG_ARCH_MMP) += mmp
190machine-$(CONFIG_ARCH_MPS2) += vexpress
191machine-$(CONFIG_ARCH_MOXART) += moxart
192machine-$(CONFIG_ARCH_MV78XX0) += mv78xx0
193machine-$(CONFIG_ARCH_MVEBU) += mvebu
194machine-$(CONFIG_ARCH_MXC) += imx
195machine-$(CONFIG_ARCH_MEDIATEK) += mediatek
196machine-$(CONFIG_ARCH_MXS) += mxs
197machine-$(CONFIG_ARCH_NETX) += netx
198machine-$(CONFIG_ARCH_NOMADIK) += nomadik
199machine-$(CONFIG_ARCH_NPCM) += npcm
200machine-$(CONFIG_ARCH_NSPIRE) += nspire
201machine-$(CONFIG_ARCH_OXNAS) += oxnas
202machine-$(CONFIG_ARCH_OMAP1) += omap1
203machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2
204machine-$(CONFIG_ARCH_ORION5X) += orion5x
205machine-$(CONFIG_ARCH_PICOXCELL) += picoxcell
206machine-$(CONFIG_ARCH_PXA) += pxa
207machine-$(CONFIG_ARCH_QCOM) += qcom
208machine-$(CONFIG_ARCH_REALVIEW) += realview
209machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip
210machine-$(CONFIG_ARCH_RPC) += rpc
211machine-$(CONFIG_ARCH_S3C24XX) += s3c24xx
212machine-$(CONFIG_ARCH_S3C64XX) += s3c64xx
213machine-$(CONFIG_ARCH_S5PV210) += s5pv210
214machine-$(CONFIG_ARCH_SA1100) += sa1100
215machine-$(CONFIG_ARCH_SHMOBILE) += shmobile
216machine-$(CONFIG_ARCH_SIRF) += prima2
217machine-$(CONFIG_ARCH_SOCFPGA) += socfpga
218machine-$(CONFIG_ARCH_STI) += sti
219machine-$(CONFIG_ARCH_STM32) += stm32
220machine-$(CONFIG_ARCH_SUNXI) += sunxi
221machine-$(CONFIG_ARCH_TANGO) += tango
222machine-$(CONFIG_ARCH_TEGRA) += tegra
223machine-$(CONFIG_ARCH_U300) += u300
224machine-$(CONFIG_ARCH_U8500) += ux500
225machine-$(CONFIG_ARCH_UNIPHIER) += uniphier
226machine-$(CONFIG_ARCH_VERSATILE) += versatile
227machine-$(CONFIG_ARCH_VEXPRESS) += vexpress
228machine-$(CONFIG_ARCH_VT8500) += vt8500
229machine-$(CONFIG_ARCH_W90X900) += w90x900
230machine-$(CONFIG_ARCH_ZX) += zx
231machine-$(CONFIG_ARCH_ZYNQ) += zynq
232machine-$(CONFIG_PLAT_SPEAR) += spear
233
234# Platform directory name. This list is sorted alphanumerically
235# by CONFIG_* macro name.
236plat-$(CONFIG_ARCH_EXYNOS) += samsung
237plat-$(CONFIG_ARCH_OMAP) += omap
238plat-$(CONFIG_ARCH_S3C64XX) += samsung
239plat-$(CONFIG_ARCH_S5PV210) += samsung
240plat-$(CONFIG_PLAT_IOP) += iop
241plat-$(CONFIG_PLAT_ORION) += orion
242plat-$(CONFIG_PLAT_PXA) += pxa
243plat-$(CONFIG_PLAT_S3C24XX) += samsung
244plat-$(CONFIG_PLAT_VERSATILE) += versatile
245
246ifeq ($(CONFIG_ARCH_EBSA110),y)
247# This is what happens if you forget the IOCS16 line.
248# PCMCIA cards stop working.
249CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
250export CFLAGS_3c589_cs.o
251endif
252
253# The byte offset of the kernel image in RAM from the start of RAM.
254TEXT_OFFSET := $(textofs-y)
255
256# The first directory contains additional information for the boot setup code
257ifneq ($(machine-y),)
258MACHINE := arch/arm/mach-$(word 1,$(machine-y))/
259else
260MACHINE :=
261endif
262ifeq ($(CONFIG_ARCH_MULTIPLATFORM),y)
263MACHINE :=
264endif
265
266machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
267platdirs := $(patsubst %,arch/arm/plat-%/,$(sort $(plat-y)))
268
269ifneq ($(CONFIG_ARCH_MULTIPLATFORM),y)
270ifneq ($(CONFIG_ARM_SINGLE_ARMV7M),y)
271ifeq ($(KBUILD_SRC),)
272KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
273else
274KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
275endif
276endif
277endif
278
279export TEXT_OFFSET GZFLAGS MMUEXT
280
281# Do we have FASTFPE?
282FASTFPE :=arch/arm/fastfpe
283ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
284FASTFPE_OBJ :=$(FASTFPE)/
285endif
286
287core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe
288core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
289core-$(CONFIG_VFP) += arch/arm/vfp/
290core-$(CONFIG_XEN) += arch/arm/xen/
291core-$(CONFIG_KVM_ARM_HOST) += arch/arm/kvm/
292core-$(CONFIG_VDSO) += arch/arm/vdso/
293
294# If we have a machine-specific directory, then include it in the build.
295core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
296core-y += arch/arm/probes/
297core-y += arch/arm/net/
298core-y += arch/arm/crypto/
299core-y += arch/arm/firmware/
300core-y += $(machdirs) $(platdirs)
301
302drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
303
304libs-y := arch/arm/lib/ $(libs-y)
305
306# Default target when executing plain make
307boot := arch/arm/boot
308ifeq ($(CONFIG_XIP_KERNEL),y)
309KBUILD_IMAGE := $(boot)/xipImage
310else
311KBUILD_IMAGE := $(boot)/zImage
312endif
313
314# Build the DT binary blobs if we have OF configured
315ifeq ($(CONFIG_USE_OF),y)
316KBUILD_DTBS := dtbs
317endif
318
319all: $(notdir $(KBUILD_IMAGE)) $(KBUILD_DTBS)
320
321
322archheaders:
323 $(Q)$(MAKE) $(build)=arch/arm/tools uapi
324
325archprepare:
326 $(Q)$(MAKE) $(build)=arch/arm/tools kapi
327
328# Convert bzImage to zImage
329bzImage: zImage
330
331BOOT_TARGETS = zImage Image xipImage bootpImage uImage
332INSTALL_TARGETS = zinstall uinstall install
333
334PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
335
336bootpImage uImage: zImage
337zImage: Image
338
339$(BOOT_TARGETS): vmlinux
340 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
341 @$(kecho) ' Kernel: $(boot)/$@ is ready'
342
343$(INSTALL_TARGETS):
344 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
345
346%.dtb: | scripts
347 $(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) $(boot)/dts/$@
348
349PHONY += dtbs dtbs_install
350
351dtbs: prepare scripts
352 $(Q)$(MAKE) $(build)=$(boot)/dts
353
354dtbs_install:
355 $(Q)$(MAKE) $(dtbinst)=$(boot)/dts
356
357PHONY += vdso_install
358vdso_install:
359ifeq ($(CONFIG_VDSO),y)
360 $(Q)$(MAKE) $(build)=arch/arm/vdso $@
361endif
362
363# We use MRPROPER_FILES and CLEAN_FILES now
364archclean:
365 $(Q)$(MAKE) $(clean)=$(boot)
366
367# My testing targets (bypasses dependencies)
368bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
369
370
371define archhelp
372 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
373 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
374 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
375 echo ' uImage - U-Boot wrapped zImage'
376 echo ' bootpImage - Combined zImage and initial RAM disk'
377 echo ' (supply initrd image via make variable INITRD=<path>)'
378 echo '* dtbs - Build device tree blobs for enabled boards'
379 echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'
380 echo ' install - Install uncompressed kernel'
381 echo ' zinstall - Install compressed kernel'
382 echo ' uinstall - Install U-Boot wrapped compressed kernel'
383 echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or'
384 echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
385 echo ' install to $$(INSTALL_PATH) and run lilo'
386 echo ' vdso_install - Install unstripped vdso.so to $$(INSTALL_MOD_PATH)/vdso'
387endef