Kconfig

config ARM64
	def_bool y
	select ACPI_CCA_REQUIRED if ACPI
	select ACPI_GENERIC_GSI if ACPI
	select ACPI_REDUCED_HARDWARE_ONLY if ACPI
	select ARCH_HAS_DEVMEM_IS_ALLOWED
	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
	select ARCH_HAS_ELF_RANDOMIZE
	select ARCH_HAS_GCOV_PROFILE_ALL
	select ARCH_HAS_SG_CHAIN
	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
	select ARCH_USE_CMPXCHG_LOCKREF
	select ARCH_SUPPORTS_ATOMIC_RMW
	select ARCH_WANT_OPTIONAL_GPIOLIB
	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
	select ARCH_WANT_FRAME_POINTERS
	select ARCH_HAS_UBSAN_SANITIZE_ALL
	select ARM_AMBA
	select ARM_ARCH_TIMER
	select ARM_GIC
	select AUDIT_ARCH_COMPAT_GENERIC
	select ARM_GIC_V2M if PCI_MSI
	select ARM_GIC_V3
	select ARM_GIC_V3_ITS if PCI_MSI
	select ARM_PSCI_FW
	select BUILDTIME_EXTABLE_SORT
	select CLONE_BACKWARDS
	select COMMON_CLK
	select CPU_PM if (SUSPEND || CPU_IDLE)
	select DCACHE_WORD_ACCESS
	select EDAC_SUPPORT
	select FRAME_POINTER
	select GENERIC_ALLOCATOR
	select GENERIC_CLOCKEVENTS
	select GENERIC_CLOCKEVENTS_BROADCAST
	select GENERIC_CPU_AUTOPROBE
	select GENERIC_EARLY_IOREMAP
	select GENERIC_IDLE_POLL_SETUP
	select GENERIC_IRQ_PROBE
	select GENERIC_IRQ_SHOW
	select GENERIC_IRQ_SHOW_LEVEL
	select GENERIC_PCI_IOMAP
	select GENERIC_SCHED_CLOCK
	select GENERIC_SMP_IDLE_THREAD
	select GENERIC_STRNCPY_FROM_USER
	select GENERIC_STRNLEN_USER
	select GENERIC_TIME_VSYSCALL
	select HANDLE_DOMAIN_IRQ
	select HARDIRQS_SW_RESEND
	select HAVE_ALIGNED_STRUCT_PAGE if SLUB
	select HAVE_ARCH_AUDITSYSCALL
	select HAVE_ARCH_BITREVERSE
	select HAVE_ARCH_HUGE_VMAP
	select HAVE_ARCH_JUMP_LABEL
	select HAVE_ARCH_KASAN if SPARSEMEM_VMEMMAP && !(ARM64_16K_PAGES && ARM64_VA_BITS_48)
	select HAVE_ARCH_KGDB
	select HAVE_ARCH_MMAP_RND_BITS
	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT
	select HAVE_ARCH_SECCOMP_FILTER
	select HAVE_ARCH_TRACEHOOK
	select HAVE_BPF_JIT
	select HAVE_C_RECORDMCOUNT
	select HAVE_CC_STACKPROTECTOR
	select HAVE_CMPXCHG_DOUBLE
	select HAVE_CMPXCHG_LOCAL
	select HAVE_DEBUG_BUGVERBOSE
	select HAVE_DEBUG_KMEMLEAK
	select HAVE_DMA_API_DEBUG
	select HAVE_DMA_CONTIGUOUS
	select HAVE_DYNAMIC_FTRACE
	select HAVE_EFFICIENT_UNALIGNED_ACCESS
	select HAVE_FTRACE_MCOUNT_RECORD
	select HAVE_FUNCTION_TRACER
	select HAVE_FUNCTION_GRAPH_TRACER
	select HAVE_GENERIC_DMA_COHERENT
	select HAVE_HW_BREAKPOINT if PERF_EVENTS
	select HAVE_IRQ_TIME_ACCOUNTING
	select HAVE_MEMBLOCK
	select HAVE_MEMBLOCK_NODE_MAP if NUMA
	select HAVE_PATA_PLATFORM
	select HAVE_PERF_EVENTS
	select HAVE_PERF_REGS
	select HAVE_PERF_USER_STACK_DUMP
	select HAVE_RCU_TABLE_FREE
	select HAVE_SYSCALL_TRACEPOINTS
	select IOMMU_DMA if IOMMU_SUPPORT
	select IRQ_DOMAIN
	select IRQ_FORCED_THREADING
	select MODULES_USE_ELF_RELA
	select NO_BOOTMEM
	select OF
	select OF_EARLY_FLATTREE
	select OF_RESERVED_MEM
	select PERF_USE_VMALLOC
	select POWER_RESET
	select POWER_SUPPLY
	select RTC_LIB
	select SPARSE_IRQ
	select SYSCTL_EXCEPTION_TRACE
	select HAVE_CONTEXT_TRACKING
	select HAVE_ARM_SMCCC
	select OF_NUMA if NUMA && OF
	help
	  ARM 64-bit (AArch64) Linux support.

config 64BIT
	def_bool y

config ARCH_PHYS_ADDR_T_64BIT
	def_bool y

config MMU
	def_bool y

config ARCH_MMAP_RND_BITS_MIN
       default 14 if ARM64_64K_PAGES
       default 16 if ARM64_16K_PAGES
       default 18

# max bits determined by the following formula:
#  VA_BITS - PAGE_SHIFT - 3
config ARCH_MMAP_RND_BITS_MAX
       default 19 if ARM64_VA_BITS=36
       default 24 if ARM64_VA_BITS=39
       default 27 if ARM64_VA_BITS=42
       default 30 if ARM64_VA_BITS=47
       default 29 if ARM64_VA_BITS=48 && ARM64_64K_PAGES
       default 31 if ARM64_VA_BITS=48 && ARM64_16K_PAGES
       default 33 if ARM64_VA_BITS=48
       default 14 if ARM64_64K_PAGES
       default 16 if ARM64_16K_PAGES
       default 18

config ARCH_MMAP_RND_COMPAT_BITS_MIN
       default 7 if ARM64_64K_PAGES
       default 9 if ARM64_16K_PAGES
       default 11

config ARCH_MMAP_RND_COMPAT_BITS_MAX
       default 16

config NO_IOPORT_MAP
	def_bool y if !PCI

config STACKTRACE_SUPPORT
	def_bool y

config ILLEGAL_POINTER_VALUE
	hex
	default 0xdead000000000000

config LOCKDEP_SUPPORT
	def_bool y

config TRACE_IRQFLAGS_SUPPORT
	def_bool y

config RWSEM_XCHGADD_ALGORITHM
	def_bool y

config GENERIC_BUG
	def_bool y
	depends on BUG

config GENERIC_BUG_RELATIVE_POINTERS
	def_bool y
	depends on GENERIC_BUG

config GENERIC_HWEIGHT
	def_bool y

config GENERIC_CSUM
        def_bool y

config GENERIC_CALIBRATE_DELAY
	def_bool y

config ZONE_DMA
	def_bool y

config HAVE_GENERIC_RCU_GUP
	def_bool y

config ARCH_DMA_ADDR_T_64BIT
	def_bool y

config NEED_DMA_MAP_STATE
	def_bool y

config NEED_SG_DMA_LENGTH
	def_bool y

config SMP
	def_bool y

config SWIOTLB
	def_bool y

config IOMMU_HELPER
	def_bool SWIOTLB