339 lines
12 KiB
Makefile
339 lines
12 KiB
Makefile
|
#
|
||
|
|
# arch/arm/Makefile
|
||
|
|
#
|
||
|
|
# This file is included by the global makefile so that you can add your own
|
||
|
|
# architecture-specific flags and dependencies.
|
||
|
|
#
|
||
|
|
# This file is subject to the terms and conditions of the GNU General Public
|
||
|
|
# License. See the file "COPYING" in the main directory of this archive
|
||
|
|
# for more details.
|
||
|
|
#
|
||
|
|
# Copyright (C) 1995-2001 by Russell King
|
||
|
|
|
||
|
|
LDFLAGS_vmlinux := --no-undefined -X --pic-veneer -z norelro
|
||
|
|
ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
|
||
|
|
LDFLAGS_vmlinux += --be8
|
||
|
|
KBUILD_LDFLAGS_MODULE += --be8
|
||
|
|
endif
|
||
|
|
|
||
|
|
GZFLAGS :=-9
|
||
|
|
#KBUILD_CFLAGS +=-pipe
|
||
|
|
|
||
|
|
# Never generate .eh_frame
|
||
|
|
KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm)
|
||
|
|
|
||
|
|
# Disable FDPIC ABI
|
||
|
|
KBUILD_CFLAGS += $(call cc-option,-mno-fdpic)
|
||
|
|
|
||
|
|
# This should work on most of the modern platforms
|
||
|
|
KBUILD_DEFCONFIG := multi_v7_defconfig
|
||
|
|
|
||
|
|
# defines filename extension depending memory management type.
|
||
|
|
ifeq ($(CONFIG_MMU),)
|
||
|
|
MMUEXT := -nommu
|
||
|
|
KBUILD_CFLAGS += $(call cc-option,-mno-unaligned-access)
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifeq ($(CONFIG_FRAME_POINTER),y)
|
||
|
|
KBUILD_CFLAGS +=-fno-omit-frame-pointer
|
||
|
|
ifeq ($(CONFIG_CC_IS_GCC),y)
|
||
|
|
KBUILD_CFLAGS += -mapcs -mno-sched-prolog
|
||
|
|
endif
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
|
||
|
|
KBUILD_CPPFLAGS += -mbig-endian
|
||
|
|
CHECKFLAGS += -D__ARMEB__
|
||
|
|
KBUILD_LDFLAGS += -EB
|
||
|
|
else
|
||
|
|
KBUILD_CPPFLAGS += -mlittle-endian
|
||
|
|
CHECKFLAGS += -D__ARMEL__
|
||
|
|
KBUILD_LDFLAGS += -EL
|
||
|
|
endif
|
||
|
|
|
||
|
|
#
|
||
|
|
# The Scalar Replacement of Aggregates (SRA) optimization pass in GCC 4.9 and
|
||
|
|
# later may result in code being generated that handles signed short and signed
|
||
|
|
# char struct members incorrectly. So disable it.
|
||
|
|
# (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65932)
|
||
|
|
#
|
||
|
|
KBUILD_CFLAGS += $(call cc-option,-fno-ipa-sra)
|
||
|
|
|
||
|
|
# This selects which instruction set is used.
|
||
|
|
arch-$(CONFIG_CPU_32v7M) :=-march=armv7-m
|
||
|
|
arch-$(CONFIG_CPU_32v7) :=-march=armv7-a
|
||
|
|
arch-$(CONFIG_CPU_32v6) :=-march=armv6
|
||
|
|
# Only override the compiler option if ARMv6. The ARMv6K extensions are
|
||
|
|
# always available in ARMv7
|
||
|
|
ifeq ($(CONFIG_CPU_32v6),y)
|
||
|
|
arch-$(CONFIG_CPU_32v6K) :=-march=armv6k
|
||
|
|
endif
|
||
|
|
arch-$(CONFIG_CPU_32v5) :=-march=armv5te
|
||
|
|
arch-$(CONFIG_CPU_32v4T) :=-march=armv4t
|
||
|
|
arch-$(CONFIG_CPU_32v4) :=-march=armv4
|
||
|
|
arch-$(CONFIG_CPU_32v3) :=-march=armv3m
|
||
|
|
|
||
|
|
# Note that GCC does not numerically define an architecture version
|
||
|
|
# macro, but instead defines a whole series of macros which makes
|
||
|
|
# testing for a specific architecture or later rather impossible.
|
||
|
|
cpp-$(CONFIG_CPU_32v7M) :=-D__LINUX_ARM_ARCH__=7
|
||
|
|
cpp-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7
|
||
|
|
cpp-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6
|
||
|
|
# Only override the compiler option if ARMv6. The ARMv6K extensions are
|
||
|
|
# always available in ARMv7
|
||
|
|
ifeq ($(CONFIG_CPU_32v6),y)
|
||
|
|
cpp-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6
|
||
|
|
endif
|
||
|
|
cpp-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5
|
||
|
|
cpp-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4
|
||
|
|
cpp-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4
|
||
|
|
cpp-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3
|
||
|
|
|
||
|
|
# This selects how we optimise for the processor.
|
||
|
|
tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
|
||
|
|
tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
|
||
|
|
tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi
|
||
|
|
tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi
|
||
|
|
tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi
|
||
|
|
tune-$(CONFIG_CPU_ARM946E) :=-mtune=arm9e
|
||
|
|
tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
|
||
|
|
tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
|
||
|
|
tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
|
||
|
|
tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
|
||
|
|
tune-$(CONFIG_CPU_FA526) :=-mtune=arm9tdmi
|
||
|
|
tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
|
||
|
|
tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
|
||
|
|
tune-$(CONFIG_CPU_XSCALE) :=-mtune=xscale
|
||
|
|
tune-$(CONFIG_CPU_XSC3) :=-mtune=xscale
|
||
|
|
tune-$(CONFIG_CPU_FEROCEON) :=-mtune=xscale
|
||
|
|
tune-$(CONFIG_CPU_V6) :=-mtune=arm1136j-s
|
||
|
|
tune-$(CONFIG_CPU_V6K) :=-mtune=arm1136j-s
|
||
|
|
|
||
|
|
ifeq ($(CONFIG_AEABI),y)
|
||
|
|
CFLAGS_ABI :=-mabi=aapcs-linux -mfpu=vfp
|
||
|
|
else
|
||
|
|
CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifeq ($(CONFIG_ARM_UNWIND),y)
|
||
|
|
CFLAGS_ABI +=-funwind-tables
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifeq ($(CONFIG_CC_IS_CLANG),y)
|
||
|
|
CFLAGS_ABI += -meabi gnu
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifeq ($(CONFIG_CURRENT_POINTER_IN_TPIDRURO),y)
|
||
|
|
KBUILD_CFLAGS += -mtp=cp15
|
||
|
|
endif
|
||
|
|
|
||
|
|
# Accept old syntax despite ".syntax unified"
|
||
|
|
AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
|
||
|
|
|
||
|
|
ifeq ($(CONFIG_THUMB2_KERNEL),y)
|
||
|
|
CFLAGS_ISA :=-Wa,-mimplicit-it=always $(AFLAGS_NOWARN)
|
||
|
|
AFLAGS_ISA :=$(CFLAGS_ISA) -Wa$(comma)-mthumb
|
||
|
|
CFLAGS_ISA +=-mthumb
|
||
|
|
else
|
||
|
|
CFLAGS_ISA :=$(call cc-option,-marm,) $(AFLAGS_NOWARN)
|
||
|
|
AFLAGS_ISA :=$(CFLAGS_ISA)
|
||
|
|
endif
|
||
|
|
|
||
|
|
# Need -Uarm for gcc < 3.x
|
||
|
|
KBUILD_CPPFLAGS +=$(cpp-y)
|
||
|
|
KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
|
||
|
|
KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) -Wa,$(arch-y) $(tune-y) -include asm/unified.h -msoft-float
|
||
|
|
|
||
|
|
CHECKFLAGS += -D__arm__
|
||
|
|
|
||
|
|
# Text offset. This list is sorted numerically by address in order to
|
||
|
|
# provide a means to avoid/resolve conflicts in multi-arch kernels.
|
||
|
|
# Note: the 32kB below this value is reserved for use by the kernel
|
||
|
|
# during boot, and this offset is critical to the functioning of
|
||
|
|
# kexec-tools.
|
||
|
|
textofs-y := 0x00008000
|
||
|
|
# RTD1195 has Boot ROM at start of address space
|
||
|
|
textofs-$(CONFIG_ARCH_REALTEK) := 0x00108000
|
||
|
|
# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
|
||
|
|
ifeq ($(CONFIG_ARCH_SA1100),y)
|
||
|
|
textofs-$(CONFIG_SA1111) := 0x00208000
|
||
|
|
endif
|
||
|
|
textofs-$(CONFIG_ARCH_IPQ40XX) := 0x00208000
|
||
|
|
textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
|
||
|
|
textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
|
||
|
|
textofs-$(CONFIG_ARCH_MESON) := 0x00208000
|
||
|
|
textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000
|
||
|
|
|
||
|
|
# Machine directory name. This list is sorted alphanumerically
|
||
|
|
# by CONFIG_* macro name.
|
||
|
|
machine-$(CONFIG_ARCH_ACTIONS) += actions
|
||
|
|
machine-$(CONFIG_ARCH_AIROHA) += airoha
|
||
|
|
machine-$(CONFIG_ARCH_ALPINE) += alpine
|
||
|
|
machine-$(CONFIG_ARCH_ARTPEC) += artpec
|
||
|
|
machine-$(CONFIG_ARCH_ASPEED) += aspeed
|
||
|
|
machine-$(CONFIG_ARCH_AT91) += at91
|
||
|
|
machine-$(CONFIG_ARCH_AXXIA) += axxia
|
||
|
|
machine-$(CONFIG_ARCH_BCM) += bcm
|
||
|
|
machine-$(CONFIG_ARCH_BERLIN) += berlin
|
||
|
|
machine-$(CONFIG_ARCH_CLPS711X) += clps711x
|
||
|
|
machine-$(CONFIG_ARCH_DAVINCI) += davinci
|
||
|
|
machine-$(CONFIG_ARCH_DIGICOLOR) += digicolor
|
||
|
|
machine-$(CONFIG_ARCH_DOVE) += dove
|
||
|
|
machine-$(CONFIG_ARCH_EP93XX) += ep93xx
|
||
|
|
machine-$(CONFIG_ARCH_EXYNOS) += exynos
|
||
|
|
machine-$(CONFIG_ARCH_FOOTBRIDGE) += footbridge
|
||
|
|
machine-$(CONFIG_ARCH_GEMINI) += gemini
|
||
|
|
machine-$(CONFIG_ARCH_HIGHBANK) += highbank
|
||
|
|
machine-$(CONFIG_ARCH_HISI) += hisi
|
||
|
|
machine-$(CONFIG_ARCH_HPE) += hpe
|
||
|
|
machine-$(CONFIG_ARCH_IXP4XX) += ixp4xx
|
||
|
|
machine-$(CONFIG_ARCH_KEYSTONE) += keystone
|
||
|
|
machine-$(CONFIG_ARCH_LPC18XX) += lpc18xx
|
||
|
|
machine-$(CONFIG_ARCH_LPC32XX) += lpc32xx
|
||
|
|
machine-$(CONFIG_ARCH_MESON) += meson
|
||
|
|
machine-$(CONFIG_ARCH_MMP) += mmp
|
||
|
|
machine-$(CONFIG_ARCH_MOXART) += moxart
|
||
|
|
machine-$(CONFIG_ARCH_MV78XX0) += mv78xx0
|
||
|
|
machine-$(CONFIG_ARCH_MVEBU) += mvebu
|
||
|
|
machine-$(CONFIG_ARCH_MXC) += imx
|
||
|
|
machine-$(CONFIG_ARCH_MEDIATEK) += mediatek
|
||
|
|
machine-$(CONFIG_ARCH_MILBEAUT) += milbeaut
|
||
|
|
machine-$(CONFIG_ARCH_MXS) += mxs
|
||
|
|
machine-$(CONFIG_ARCH_MSTARV7) += mstar
|
||
|
|
machine-$(CONFIG_ARCH_NOMADIK) += nomadik
|
||
|
|
machine-$(CONFIG_ARCH_NPCM) += npcm
|
||
|
|
machine-$(CONFIG_ARCH_NSPIRE) += nspire
|
||
|
|
machine-$(CONFIG_ARCH_OXNAS) += oxnas
|
||
|
|
machine-$(CONFIG_ARCH_OMAP1) += omap1
|
||
|
|
machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2
|
||
|
|
machine-$(CONFIG_ARCH_ORION5X) += orion5x
|
||
|
|
machine-$(CONFIG_ARCH_PXA) += pxa
|
||
|
|
machine-$(CONFIG_ARCH_QCOM) += qcom
|
||
|
|
machine-$(CONFIG_ARCH_REALTEK) += realtek
|
||
|
|
machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip
|
||
|
|
machine-$(CONFIG_ARCH_RPC) += rpc
|
||
|
|
machine-$(CONFIG_PLAT_SAMSUNG) += s3c
|
||
|
|
machine-$(CONFIG_ARCH_S5PV210) += s5pv210
|
||
|
|
machine-$(CONFIG_ARCH_SA1100) += sa1100
|
||
|
|
machine-$(CONFIG_ARCH_RENESAS) += shmobile
|
||
|
|
machine-$(CONFIG_ARCH_INTEL_SOCFPGA) += socfpga
|
||
|
|
machine-$(CONFIG_ARCH_STI) += sti
|
||
|
|
machine-$(CONFIG_ARCH_STM32) += stm32
|
||
|
|
machine-$(CONFIG_ARCH_SUNPLUS) += sunplus
|
||
|
|
machine-$(CONFIG_ARCH_SUNXI) += sunxi
|
||
|
|
machine-$(CONFIG_ARCH_TEGRA) += tegra
|
||
|
|
machine-$(CONFIG_ARCH_U8500) += ux500
|
||
|
|
machine-$(CONFIG_ARCH_VT8500) += vt8500
|
||
|
|
machine-$(CONFIG_ARCH_ZYNQ) += zynq
|
||
|
|
machine-$(CONFIG_PLAT_VERSATILE) += versatile
|
||
|
|
machine-$(CONFIG_PLAT_SPEAR) += spear
|
||
|
|
|
||
|
|
# legacy platforms provide their own mach/*.h headers globally,
|
||
|
|
# these three are mutually exclusive
|
||
|
|
machdirs-$(CONFIG_ARCH_FOOTBRIDGE) += arch/arm/mach-footbridge
|
||
|
|
machdirs-$(CONFIG_ARCH_RPC) += arch/arm/mach-rpc
|
||
|
|
machdirs-$(CONFIG_ARCH_SA1100) += arch/arm/mach-sa1100
|
||
|
|
KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%/include,$(machdirs-y))
|
||
|
|
|
||
|
|
# The byte offset of the kernel image in RAM from the start of RAM.
|
||
|
|
TEXT_OFFSET := $(textofs-y)
|
||
|
|
|
||
|
|
export TEXT_OFFSET GZFLAGS MMUEXT
|
||
|
|
|
||
|
|
# If we have a machine-specific directory, then include it in the build.
|
||
|
|
core-y += $(patsubst %,arch/arm/mach-%/,$(machine-y))
|
||
|
|
# For cleaning
|
||
|
|
core- += $(patsubst %,arch/arm/mach-%/,$(machine-))
|
||
|
|
|
||
|
|
core-$(CONFIG_PLAT_ORION) += arch/arm/plat-orion/
|
||
|
|
|
||
|
|
libs-y := arch/arm/lib/ $(libs-y)
|
||
|
|
|
||
|
|
# Default target when executing plain make
|
||
|
|
boot := arch/arm/boot
|
||
|
|
ifeq ($(CONFIG_XIP_KERNEL),y)
|
||
|
|
KBUILD_IMAGE := $(boot)/xipImage
|
||
|
|
else
|
||
|
|
KBUILD_IMAGE := $(boot)/zImage
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifeq ($(CONFIG_STACKPROTECTOR_PER_TASK),y)
|
||
|
|
prepare: stack_protector_prepare
|
||
|
|
ifeq ($(CONFIG_CC_HAVE_STACKPROTECTOR_TLS),y)
|
||
|
|
stack_protector_prepare: prepare0
|
||
|
|
$(eval KBUILD_CFLAGS += \
|
||
|
|
-mstack-protector-guard=tls \
|
||
|
|
-mstack-protector-guard-offset=$(shell \
|
||
|
|
awk '{if ($$2 == "TSK_STACK_CANARY") print $$3;}'\
|
||
|
|
include/generated/asm-offsets.h))
|
||
|
|
else
|
||
|
|
stack_protector_prepare: prepare0
|
||
|
|
$(eval SSP_PLUGIN_CFLAGS := \
|
||
|
|
-fplugin-arg-arm_ssp_per_task_plugin-offset=$(shell \
|
||
|
|
awk '{if ($$2 == "TSK_STACK_CANARY") print $$3;}'\
|
||
|
|
include/generated/asm-offsets.h))
|
||
|
|
$(eval KBUILD_CFLAGS += $(SSP_PLUGIN_CFLAGS))
|
||
|
|
$(eval GCC_PLUGINS_CFLAGS += $(SSP_PLUGIN_CFLAGS))
|
||
|
|
endif
|
||
|
|
endif
|
||
|
|
|
||
|
|
all: $(notdir $(KBUILD_IMAGE))
|
||
|
|
|
||
|
|
|
||
|
|
archheaders:
|
||
|
|
$(Q)$(MAKE) $(build)=arch/arm/tools uapi
|
||
|
|
|
||
|
|
archprepare:
|
||
|
|
$(Q)$(MAKE) $(build)=arch/arm/tools kapi
|
||
|
|
|
||
|
|
# Convert bzImage to zImage
|
||
|
|
bzImage: zImage
|
||
|
|
|
||
|
|
BOOT_TARGETS = zImage Image xipImage bootpImage uImage
|
||
|
|
INSTALL_TARGETS = zinstall uinstall install
|
||
|
|
|
||
|
|
PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
|
||
|
|
|
||
|
|
bootpImage uImage: zImage
|
||
|
|
zImage: Image
|
||
|
|
|
||
|
|
$(BOOT_TARGETS): vmlinux
|
||
|
|
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
|
||
|
|
@$(kecho) ' Kernel: $(boot)/$@ is ready'
|
||
|
|
|
||
|
|
$(INSTALL_TARGETS): KBUILD_IMAGE = $(boot)/$(patsubst %install,%Image,$@)
|
||
|
|
$(INSTALL_TARGETS):
|
||
|
|
$(call cmd,install)
|
||
|
|
|
||
|
|
PHONY += vdso_install
|
||
|
|
vdso_install:
|
||
|
|
ifeq ($(CONFIG_VDSO),y)
|
||
|
|
$(Q)$(MAKE) $(build)=arch/arm/vdso $@
|
||
|
|
endif
|
||
|
|
|
||
|
|
# My testing targets (bypasses dependencies)
|
||
|
|
bp:; $(Q)$(MAKE) $(build)=$(boot) $(boot)/bootpImage
|
||
|
|
|
||
|
|
include $(srctree)/scripts/Makefile.defconf
|
||
|
|
PHONY += multi_v7_lpae_defconfig
|
||
|
|
multi_v7_lpae_defconfig:
|
||
|
|
$(call merge_into_defconfig,multi_v7_defconfig,lpae)
|
||
|
|
|
||
|
|
define archhelp
|
||
|
|
echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
|
||
|
|
echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
|
||
|
|
echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
|
||
|
|
echo ' uImage - U-Boot wrapped zImage'
|
||
|
|
echo ' bootpImage - Combined zImage and initial RAM disk'
|
||
|
|
echo ' (supply initrd image via make variable INITRD=<path>)'
|
||
|
|
echo ' install - Install uncompressed kernel'
|
||
|
|
echo ' zinstall - Install compressed kernel'
|
||
|
|
echo ' uinstall - Install U-Boot wrapped compressed kernel'
|
||
|
|
echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or'
|
||
|
|
echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
|
||
|
|
echo ' install to $$(INSTALL_PATH) and run lilo'
|
||
|
|
echo ' vdso_install - Install unstripped vdso.so to $$(INSTALL_MOD_PATH)/vdso'
|
||
|
|
echo
|
||
|
|
echo ' multi_v7_lpae_defconfig - multi_v7_defconfig with CONFIG_ARM_LPAE enabled'
|
||
|
|
endef
|