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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# arch/arm/Makefile
3#
Paul Smith4f193362006-03-05 17:14:10 -05004# This file is included by the global makefile so that you can add your own
5# architecture-specific flags and dependencies.
6#
Linus Torvalds1da177e2005-04-16 15:20:36 -07007# 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
Vincent Sandersbcccc502012-03-13 15:34:17 +010013# Ensure linker flags are correct
14LDFLAGS :=
15
Ard Biesheuvel02e541d2015-03-25 07:37:57 +010016LDFLAGS_vmlinux :=-p --no-undefined -X --pic-veneer
Catalin Marinas26584852009-05-30 14:00:18 +010017ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
18LDFLAGS_vmlinux += --be8
Ben Dooks0ab89d02013-07-22 16:32:19 +010019LDFLAGS_MODULE += --be8
Catalin Marinas26584852009-05-30 14:00:18 +010020endif
Sam Ravnborg51b563f2009-09-20 12:28:22 +020021
Ard Biesheuvel7d485f62014-11-24 16:54:35 +010022ifeq ($(CONFIG_ARM_MODULE_PLTS),y)
23LDFLAGS_MODULE += -T $(srctree)/arch/arm/kernel/module.lds
24endif
25
Linus Torvalds1da177e2005-04-16 15:20:36 -070026GZFLAGS :=-9
Sam Ravnborga0f97e02007-10-14 22:21:35 +020027#KBUILD_CFLAGS +=-pipe
Linus Torvalds1da177e2005-04-16 15:20:36 -070028
Michal Marekbd365592010-08-14 23:56:21 +010029# Never generate .eh_frame
30KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm)
31
Arnd Bergmann32872c02015-12-18 23:44:23 +010032# This should work on most of the modern platforms
33KBUILD_DEFCONFIG := multi_v7_defconfig
Linus Torvalds1da177e2005-04-16 15:20:36 -070034
Uwe Kleine-Koenig3dbda772009-07-23 08:31:31 +020035# defines filename extension depending memory management type.
Hyok S. Choif8c07de2006-03-27 15:14:19 +010036ifeq ($(CONFIG_MMU),)
37MMUEXT := -nommu
Will Deacone91b36e2012-12-04 12:56:44 +010038KBUILD_CFLAGS += $(call cc-option,-mno-unaligned-access)
Hyok S. Choif8c07de2006-03-27 15:14:19 +010039endif
40
Linus Torvalds1da177e2005-04-16 15:20:36 -070041ifeq ($(CONFIG_FRAME_POINTER),y)
Sam Ravnborga0f97e02007-10-14 22:21:35 +020042KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
Linus Torvalds1da177e2005-04-16 15:20:36 -070043endif
44
45ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
Sam Ravnborg06c50402007-10-15 22:17:25 +020046KBUILD_CPPFLAGS += -mbig-endian
Linus Torvalds1da177e2005-04-16 15:20:36 -070047AS += -EB
48LD += -EB
49else
Sam Ravnborg06c50402007-10-15 22:17:25 +020050KBUILD_CPPFLAGS += -mlittle-endian
Linus Torvalds1da177e2005-04-16 15:20:36 -070051AS += -EL
52LD += -EL
53endif
54
Ard Biesheuvela0772242015-09-03 13:24:40 +010055#
56# The Scalar Replacement of Aggregates (SRA) optimization pass in GCC 4.9 and
57# later may result in code being generated that handles signed short and signed
58# char struct members incorrectly. So disable it.
59# (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65932)
60#
61KBUILD_CFLAGS += $(call cc-option,-fno-ipa-sra)
62
Linus Torvalds1da177e2005-04-16 15:20:36 -070063# This selects which instruction set is used.
64# Note that GCC does not numerically define an architecture version
65# macro, but instead defines a whole series of macros which makes
66# testing for a specific architecture or later rather impossible.
Russell King3c0c01a2013-06-29 11:44:43 +010067arch-$(CONFIG_CPU_32v7M) =-D__LINUX_ARM_ARCH__=7 -march=armv7-m -Wa,-march=armv7-m
Douglas Anderson1b213762013-06-27 04:32:06 +010068arch-$(CONFIG_CPU_32v7) =-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
69arch-$(CONFIG_CPU_32v6) =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
Catalin Marinas23688e92007-05-08 22:45:26 +010070# Only override the compiler option if ARMv6. The ARMv6K extensions are
71# always available in ARMv7
72ifeq ($(CONFIG_CPU_32v6),y)
Douglas Anderson1b213762013-06-27 04:32:06 +010073arch-$(CONFIG_CPU_32v6K) =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
Catalin Marinas23688e92007-05-08 22:45:26 +010074endif
Douglas Anderson1b213762013-06-27 04:32:06 +010075arch-$(CONFIG_CPU_32v5) =-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
76arch-$(CONFIG_CPU_32v4T) =-D__LINUX_ARM_ARCH__=4 -march=armv4t
77arch-$(CONFIG_CPU_32v4) =-D__LINUX_ARM_ARCH__=4 -march=armv4
78arch-$(CONFIG_CPU_32v3) =-D__LINUX_ARM_ARCH__=3 -march=armv3
79
80# Evaluate arch cc-option calls now
81arch-y := $(arch-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -070082
83# This selects how we optimise for the processor.
Douglas Anderson1b213762013-06-27 04:32:06 +010084tune-$(CONFIG_CPU_ARM7TDMI) =-mtune=arm7tdmi
85tune-$(CONFIG_CPU_ARM720T) =-mtune=arm7tdmi
86tune-$(CONFIG_CPU_ARM740T) =-mtune=arm7tdmi
87tune-$(CONFIG_CPU_ARM9TDMI) =-mtune=arm9tdmi
88tune-$(CONFIG_CPU_ARM940T) =-mtune=arm9tdmi
89tune-$(CONFIG_CPU_ARM946E) =$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
90tune-$(CONFIG_CPU_ARM920T) =-mtune=arm9tdmi
91tune-$(CONFIG_CPU_ARM922T) =-mtune=arm9tdmi
92tune-$(CONFIG_CPU_ARM925T) =-mtune=arm9tdmi
93tune-$(CONFIG_CPU_ARM926T) =-mtune=arm9tdmi
94tune-$(CONFIG_CPU_FA526) =-mtune=arm9tdmi
95tune-$(CONFIG_CPU_SA110) =-mtune=strongarm110
96tune-$(CONFIG_CPU_SA1100) =-mtune=strongarm1100
97tune-$(CONFIG_CPU_XSCALE) =$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
98tune-$(CONFIG_CPU_XSC3) =$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
99tune-$(CONFIG_CPU_FEROCEON) =$(call cc-option,-mtune=marvell-f,-mtune=xscale)
100tune-$(CONFIG_CPU_V6) =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
101tune-$(CONFIG_CPU_V6K) =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
102
103# Evaluate tune cc-option calls now
104tune-y := $(tune-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105
Nicolas Pitre704bdda02006-01-14 16:33:50 +0000106ifeq ($(CONFIG_AEABI),y)
Russell Kingd326b652014-01-28 18:31:17 +0000107CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork -mfpu=vfp
Nicolas Pitre704bdda02006-01-14 16:33:50 +0000108else
Catalin Marinasc28a8142005-06-30 17:04:14 +0100109CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
Nicolas Pitre704bdda02006-01-14 16:33:50 +0000110endif
111
Catalin Marinasadf8b372009-02-12 13:56:34 +0100112ifeq ($(CONFIG_ARM_UNWIND),y)
113CFLAGS_ABI +=-funwind-tables
114endif
115
Catalin Marinas16c79652009-07-24 12:33:02 +0100116ifeq ($(CONFIG_THUMB2_KERNEL),y)
Catalin Marinasc540b9f2010-01-26 19:09:48 +0100117AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
Catalin Marinas16c79652009-07-24 12:33:02 +0100118AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
Arnd Bergmann91802a82012-08-10 11:12:20 +0000119CFLAGS_ISA :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
120AFLAGS_ISA :=$(CFLAGS_ISA) -Wa$(comma)-mthumb
Dave Martin6f685c52011-03-03 11:41:12 +0100121# Work around buggy relocation from gas if requested:
122ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y)
123CFLAGS_MODULE +=-fno-optimize-sibling-calls
124endif
Arnd Bergmann91802a82012-08-10 11:12:20 +0000125else
126CFLAGS_ISA :=$(call cc-option,-marm,)
127AFLAGS_ISA :=$(CFLAGS_ISA)
Catalin Marinas16c79652009-07-24 12:33:02 +0100128endif
129
Nicolas Pitre704bdda02006-01-14 16:33:50 +0000130# Need -Uarm for gcc < 3.x
Arnd Bergmann91802a82012-08-10 11:12:20 +0000131KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
132KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
Linus Torvalds1da177e2005-04-16 15:20:36 -0700133
134CHECKFLAGS += -D__arm__
135
136#Default value
Thomas Gleixner5290dc22012-05-03 09:02:50 +0000137head-y := arch/arm/kernel/head$(MMUEXT).o
Daniel Thompson10508b22014-07-08 13:50:50 +0100138
139# Text offset. This list is sorted numerically by address in order to
140# provide a means to avoid/resolve conflicts in multi-arch kernels.
Russell King9d4f13e2006-01-03 17:28:33 +0000141textofs-y := 0x00008000
Vasily Khoruzhickc4761b62010-05-11 09:55:09 +0300142# We don't want the htc bootloader to corrupt kernel during resume
143textofs-$(CONFIG_PM_H1940) := 0x00108000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
Russell Kingb4175b82009-04-26 14:22:29 +0100145ifeq ($(CONFIG_ARCH_SA1100),y)
146textofs-$(CONFIG_SA1111) := 0x00208000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147endif
Stephen Boyd9e775ad2011-08-12 00:14:28 +0100148textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
149textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
Anders Berg1d22924e2014-05-23 11:08:35 +0200150textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000
Russell Kingb4175b82009-04-26 14:22:29 +0100151
152# Machine directory name. This list is sorted alphanumerically
153# by CONFIG_* macro name.
Tsahee Zidenberg445d9b32015-03-12 13:53:00 +0200154machine-$(CONFIG_ARCH_ALPINE) += alpine
Lars Persson590b4602016-02-11 17:06:19 +0100155machine-$(CONFIG_ARCH_ARTPEC) += artpec
Rob Herring387798b2012-09-06 13:41:12 -0500156machine-$(CONFIG_ARCH_AT91) += at91
Anders Berg1d22924e2014-05-23 11:08:35 +0200157machine-$(CONFIG_ARCH_AXXIA) += axxia
Christian Daudt8ac49e02012-11-19 09:46:10 -0800158machine-$(CONFIG_ARCH_BCM) += bcm
Sebastian Hesselbarth1c37fa12013-09-09 14:36:19 +0200159machine-$(CONFIG_ARCH_BERLIN) += berlin
Rob Herring387798b2012-09-06 13:41:12 -0500160machine-$(CONFIG_ARCH_CLPS711X) += clps711x
161machine-$(CONFIG_ARCH_CNS3XXX) += cns3xxx
162machine-$(CONFIG_ARCH_DAVINCI) += davinci
Baruch Siach16083d42015-03-09 11:05:14 +0200163machine-$(CONFIG_ARCH_DIGICOLOR) += digicolor
Rob Herring387798b2012-09-06 13:41:12 -0500164machine-$(CONFIG_ARCH_DOVE) += dove
165machine-$(CONFIG_ARCH_EBSA110) += ebsa110
Uwe Kleine-König6d85e2b2011-11-17 14:36:23 +0100166machine-$(CONFIG_ARCH_EFM32) += efm32
Rob Herring387798b2012-09-06 13:41:12 -0500167machine-$(CONFIG_ARCH_EP93XX) += ep93xx
Russell King6eddaca2013-07-27 00:45:45 +0100168machine-$(CONFIG_ARCH_EXYNOS) += exynos
Uwe Kleine-Königc3c963e2014-09-24 09:01:19 +0100169machine-$(CONFIG_ARCH_FOOTBRIDGE) += footbridge
Rob Herring387798b2012-09-06 13:41:12 -0500170machine-$(CONFIG_ARCH_GEMINI) += gemini
Rob Herring387798b2012-09-06 13:41:12 -0500171machine-$(CONFIG_ARCH_HIGHBANK) += highbank
Haojian Zhuang7685b122014-04-01 11:01:09 +0800172machine-$(CONFIG_ARCH_HISI) += hisi
Rob Herring387798b2012-09-06 13:41:12 -0500173machine-$(CONFIG_ARCH_INTEGRATOR) += integrator
174machine-$(CONFIG_ARCH_IOP13XX) += iop13xx
175machine-$(CONFIG_ARCH_IOP32X) += iop32x
176machine-$(CONFIG_ARCH_IOP33X) += iop33x
177machine-$(CONFIG_ARCH_IXP4XX) += ixp4xx
Russell King6eddaca2013-07-27 00:45:45 +0100178machine-$(CONFIG_ARCH_KEYSTONE) += keystone
Rob Herring387798b2012-09-06 13:41:12 -0500179machine-$(CONFIG_ARCH_KS8695) += ks8695
Joachim Eastwoode8d235d2015-05-12 00:00:47 +0200180machine-$(CONFIG_ARCH_LPC18XX) += lpc18xx
Rob Herring387798b2012-09-06 13:41:12 -0500181machine-$(CONFIG_ARCH_LPC32XX) += lpc32xx
Carlo Caione3b8f5032014-09-10 22:16:59 +0200182machine-$(CONFIG_ARCH_MESON) += meson
Rob Herring387798b2012-09-06 13:41:12 -0500183machine-$(CONFIG_ARCH_MMP) += mmp
Vladimir Murzin18471192016-04-25 09:49:13 +0100184machine-$(CONFIG_ARCH_MPS2) += vexpress
Jonas Jensen17723fd32013-12-18 13:58:45 +0100185machine-$(CONFIG_ARCH_MOXART) += moxart
Rob Herring387798b2012-09-06 13:41:12 -0500186machine-$(CONFIG_ARCH_MV78XX0) += mv78xx0
Russell King6eddaca2013-07-27 00:45:45 +0100187machine-$(CONFIG_ARCH_MVEBU) += mvebu
Rob Herring387798b2012-09-06 13:41:12 -0500188machine-$(CONFIG_ARCH_MXC) += imx
Matthias Bruggerf682a212014-05-13 01:06:13 +0200189machine-$(CONFIG_ARCH_MEDIATEK) += mediatek
Rob Herring387798b2012-09-06 13:41:12 -0500190machine-$(CONFIG_ARCH_MXS) += mxs
Rob Herring387798b2012-09-06 13:41:12 -0500191machine-$(CONFIG_ARCH_NETX) += netx
192machine-$(CONFIG_ARCH_NOMADIK) += nomadik
Daniel Tang9851ca52013-06-11 18:40:17 +1000193machine-$(CONFIG_ARCH_NSPIRE) += nspire
Rob Herring387798b2012-09-06 13:41:12 -0500194machine-$(CONFIG_ARCH_OMAP1) += omap1
195machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2
196machine-$(CONFIG_ARCH_ORION5X) += orion5x
197machine-$(CONFIG_ARCH_PICOXCELL) += picoxcell
Rob Herring387798b2012-09-06 13:41:12 -0500198machine-$(CONFIG_ARCH_PXA) += pxa
Kumar Gala8fc1b0f2014-01-21 17:14:10 -0600199machine-$(CONFIG_ARCH_QCOM) += qcom
Rob Herring387798b2012-09-06 13:41:12 -0500200machine-$(CONFIG_ARCH_REALVIEW) += realview
Heiko Stuebnerd63dc052013-06-02 23:09:41 +0200201machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip
Rob Herring387798b2012-09-06 13:41:12 -0500202machine-$(CONFIG_ARCH_RPC) += rpc
Kukjin Kimacf2d412013-01-21 15:39:09 -0800203machine-$(CONFIG_ARCH_S3C24XX) += s3c24xx
Rob Herring387798b2012-09-06 13:41:12 -0500204machine-$(CONFIG_ARCH_S3C64XX) += s3c64xx
Rob Herring387798b2012-09-06 13:41:12 -0500205machine-$(CONFIG_ARCH_S5PV210) += s5pv210
Rob Herring387798b2012-09-06 13:41:12 -0500206machine-$(CONFIG_ARCH_SA1100) += sa1100
Rob Herring387798b2012-09-06 13:41:12 -0500207machine-$(CONFIG_ARCH_SHMOBILE) += shmobile
Russell King6eddaca2013-07-27 00:45:45 +0100208machine-$(CONFIG_ARCH_SIRF) += prima2
209machine-$(CONFIG_ARCH_SOCFPGA) += socfpga
210machine-$(CONFIG_ARCH_STI) += sti
Maxime Coquelin9b799b72015-05-09 09:53:54 +0200211machine-$(CONFIG_ARCH_STM32) += stm32
Russell King6eddaca2013-07-27 00:45:45 +0100212machine-$(CONFIG_ARCH_SUNXI) += sunxi
Marc Gonzalezd6de5b02015-12-15 10:41:13 +0100213machine-$(CONFIG_ARCH_TANGO) += tango
Rob Herring387798b2012-09-06 13:41:12 -0500214machine-$(CONFIG_ARCH_TEGRA) += tegra
215machine-$(CONFIG_ARCH_U300) += u300
216machine-$(CONFIG_ARCH_U8500) += ux500
Masahiro Yamadaba56a982015-05-08 13:07:11 +0900217machine-$(CONFIG_ARCH_UNIPHIER) += uniphier
Rob Herring387798b2012-09-06 13:41:12 -0500218machine-$(CONFIG_ARCH_VERSATILE) += versatile
219machine-$(CONFIG_ARCH_VEXPRESS) += vexpress
220machine-$(CONFIG_ARCH_VT8500) += vt8500
221machine-$(CONFIG_ARCH_W90X900) += w90x900
Jun Nieacede512015-04-28 17:18:05 +0800222machine-$(CONFIG_ARCH_ZX) += zx
Rob Herring387798b2012-09-06 13:41:12 -0500223machine-$(CONFIG_ARCH_ZYNQ) += zynq
Russell King6eddaca2013-07-27 00:45:45 +0100224machine-$(CONFIG_PLAT_SPEAR) += spear
Russell Kingb4175b82009-04-26 14:22:29 +0100225
226# Platform directory name. This list is sorted alphanumerically
227# by CONFIG_* macro name.
Tomasz Figae245f962013-06-19 01:26:42 +0900228plat-$(CONFIG_ARCH_EXYNOS) += samsung
Rob Herring387798b2012-09-06 13:41:12 -0500229plat-$(CONFIG_ARCH_OMAP) += omap
230plat-$(CONFIG_ARCH_S3C64XX) += samsung
Tomasz Figaaa425872014-07-03 13:17:12 +0200231plat-$(CONFIG_ARCH_S5PV210) += samsung
Rob Herring387798b2012-09-06 13:41:12 -0500232plat-$(CONFIG_PLAT_IOP) += iop
Rob Herring387798b2012-09-06 13:41:12 -0500233plat-$(CONFIG_PLAT_ORION) += orion
234plat-$(CONFIG_PLAT_PXA) += pxa
Kukjin Kim09ec1d72013-01-31 16:54:38 -0800235plat-$(CONFIG_PLAT_S3C24XX) += samsung
Rob Herring387798b2012-09-06 13:41:12 -0500236plat-$(CONFIG_PLAT_VERSATILE) += versatile
Linus Torvalds1da177e2005-04-16 15:20:36 -0700237
238ifeq ($(CONFIG_ARCH_EBSA110),y)
239# This is what happens if you forget the IOCS16 line.
240# PCMCIA cards stop working.
241CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
242export CFLAGS_3c589_cs.o
243endif
244
Russell King9d4f13e2006-01-03 17:28:33 +0000245# The byte offset of the kernel image in RAM from the start of RAM.
246TEXT_OFFSET := $(textofs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700247
Russell Kingf44f82e2008-08-02 19:36:14 +0100248# The first directory contains additional information for the boot setup code
Linus Torvalds1da177e2005-04-16 15:20:36 -0700249ifneq ($(machine-y),)
Russell Kingf44f82e2008-08-02 19:36:14 +0100250MACHINE := arch/arm/mach-$(word 1,$(machine-y))/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700251else
252MACHINE :=
253endif
Rob Herring387798b2012-09-06 13:41:12 -0500254ifeq ($(CONFIG_ARCH_MULTIPLATFORM),y)
255MACHINE :=
256endif
Ben Dooksa21765a2007-02-11 18:31:01 +0100257
Russell Kingf44f82e2008-08-02 19:36:14 +0100258machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
Tomasz Figaaa425872014-07-03 13:17:12 +0200259platdirs := $(patsubst %,arch/arm/plat-%/,$(sort $(plat-y)))
Russell Kingf44f82e2008-08-02 19:36:14 +0100260
Rob Herring387798b2012-09-06 13:41:12 -0500261ifneq ($(CONFIG_ARCH_MULTIPLATFORM),y)
Arnd Bergmannde8a06f2016-06-09 09:50:28 +0200262ifneq ($(CONFIG_ARM_SINGLE_ARMV7M),y)
Russell Kingf44f82e2008-08-02 19:36:14 +0100263ifeq ($(KBUILD_SRC),)
264KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
265else
266KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
267endif
Rob Herring387798b2012-09-06 13:41:12 -0500268endif
Arnd Bergmannde8a06f2016-06-09 09:50:28 +0200269endif
Russell Kingf44f82e2008-08-02 19:36:14 +0100270
Hyok S. Choif8c07de2006-03-27 15:14:19 +0100271export TEXT_OFFSET GZFLAGS MMUEXT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700272
273# Do we have FASTFPE?
274FASTFPE :=arch/arm/fastfpe
275ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
276FASTFPE_OBJ :=$(FASTFPE)/
277endif
278
Linus Torvalds1da177e2005-04-16 15:20:36 -0700279core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
280core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
281core-$(CONFIG_VFP) += arch/arm/vfp/
Stefano Stabellini4c071ee2012-09-14 13:53:39 +0000282core-$(CONFIG_XEN) += arch/arm/xen/
Christoffer Dall749cf76c2013-01-20 18:28:06 -0500283core-$(CONFIG_KVM_ARM_HOST) += arch/arm/kvm/
Nathan Lynche5b61de2015-03-25 19:16:05 +0100284core-$(CONFIG_VDSO) += arch/arm/vdso/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700285
Nicolas Pitrec62d0f22010-09-01 09:37:05 -0400286# If we have a machine-specific directory, then include it in the build.
287core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
Wang Nanfca08f32015-01-09 10:19:49 +0800288core-y += arch/arm/probes/
Mircea Gherzanddecdfc2012-03-16 13:37:12 +0100289core-y += arch/arm/net/
David McCulloughf0be44f2012-09-07 04:17:02 +0800290core-y += arch/arm/crypto/
Alexandre Courbotd9a1bea2013-11-24 15:30:46 +0900291core-y += arch/arm/firmware/
Nicolas Pitrec62d0f22010-09-01 09:37:05 -0400292core-y += $(machdirs) $(platdirs)
293
Linus Torvalds1da177e2005-04-16 15:20:36 -0700294drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700295
Nicolas Pitre30c2f902005-11-04 17:17:30 +0000296libs-y := arch/arm/lib/ $(libs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700297
298# Default target when executing plain make
299ifeq ($(CONFIG_XIP_KERNEL),y)
Russell King51342d72006-10-29 12:51:05 +0000300KBUILD_IMAGE := xipImage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700301else
Russell King51342d72006-10-29 12:51:05 +0000302KBUILD_IMAGE := zImage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700303endif
304
Andrew Lunne50a6222012-09-06 18:09:33 +0100305# Build the DT binary blobs if we have OF configured
306ifeq ($(CONFIG_USE_OF),y)
307KBUILD_DTBS := dtbs
308endif
309
310all: $(KBUILD_IMAGE) $(KBUILD_DTBS)
Russell King51342d72006-10-29 12:51:05 +0000311
Linus Torvalds1da177e2005-04-16 15:20:36 -0700312boot := arch/arm/boot
313
Sam Ravnborg66206532009-04-20 19:59:58 +0200314archprepare:
315 $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h
Linus Torvalds1da177e2005-04-16 15:20:36 -0700316
317# Convert bzImage to zImage
318bzImage: zImage
319
Robert Richter19514fc2013-07-17 18:05:06 +0200320BOOT_TARGETS = zImage Image xipImage bootpImage uImage
321INSTALL_TARGETS = zinstall uinstall install
322
323PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
324
Masahiro Yamada3939f332015-08-17 04:03:33 +0100325bootpImage uImage: zImage
326zImage: Image
327
Robert Richter19514fc2013-07-17 18:05:06 +0200328$(BOOT_TARGETS): vmlinux
Linus Torvalds1da177e2005-04-16 15:20:36 -0700329 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
Masahiro Yamadac6bbfbb72016-05-30 03:01:23 +0100330 @$(kecho) ' Kernel: $(boot)/$@ is ready'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700331
Robert Richter19514fc2013-07-17 18:05:06 +0200332$(INSTALL_TARGETS):
Linus Torvalds1da177e2005-04-16 15:20:36 -0700333 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
334
Douglas Anderson81793ba2013-06-24 22:03:50 +0100335%.dtb: | scripts
Grant Likely499cd822012-11-27 16:29:11 -0700336 $(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) $(boot)/dts/$@
Rob Herring5fd1a2e2011-07-25 09:52:12 -0600337
Jason Cooperf4d4ffc2013-12-01 23:56:28 +0000338PHONY += dtbs dtbs_install
Robert Richter9fb5e532014-09-03 15:29:24 +0200339
340dtbs: prepare scripts
Robert Richter6f889d82014-09-03 17:07:23 +0200341 $(Q)$(MAKE) $(build)=$(boot)/dts
Rob Herring5fd1a2e2011-07-25 09:52:12 -0600342
Robert Richter9fb5e532014-09-03 15:29:24 +0200343dtbs_install:
Robert Richter6f889d82014-09-03 17:07:23 +0200344 $(Q)$(MAKE) $(dtbinst)=$(boot)/dts
Robert Richter9fb5e532014-09-03 15:29:24 +0200345
Nathan Lynche5b61de2015-03-25 19:16:05 +0100346PHONY += vdso_install
347vdso_install:
348ifeq ($(CONFIG_VDSO),y)
349 $(Q)$(MAKE) $(build)=arch/arm/vdso $@
350endif
351
Linus Torvalds1da177e2005-04-16 15:20:36 -0700352# We use MRPROPER_FILES and CLEAN_FILES now
353archclean:
354 $(Q)$(MAKE) $(clean)=$(boot)
355
356# My testing targets (bypasses dependencies)
357bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700358
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359
360define archhelp
361 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
362 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
363 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
Uwe Kleine-Königa4f14ba2008-03-06 16:22:17 +0100364 echo ' uImage - U-Boot wrapped zImage'
Daniel Tangc01c5a52013-05-03 08:13:55 +0100365 echo ' bootpImage - Combined zImage and initial RAM disk'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700366 echo ' (supply initrd image via make variable INITRD=<path>)'
Andrew Lunne50a6222012-09-06 18:09:33 +0100367 echo '* dtbs - Build device tree blobs for enabled boards'
Jason Cooperf4d4ffc2013-12-01 23:56:28 +0000368 echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700369 echo ' install - Install uncompressed kernel'
370 echo ' zinstall - Install compressed kernel'
Russell Kinga65d2922011-01-08 16:18:51 +0000371 echo ' uinstall - Install U-Boot wrapped compressed kernel'
Sam Ravnborgcaa27b62009-07-20 21:37:11 +0200372 echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or'
373 echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700374 echo ' install to $$(INSTALL_PATH) and run lilo'
Nathan Lynche5b61de2015-03-25 19:16:05 +0100375 echo ' vdso_install - Install unstripped vdso.so to $$(INSTALL_MOD_PATH)/vdso'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700376endef