Kconfig

# SPDX-License-Identifier: GPL-2.0-only
config ARM64
	def_bool y
	select ACPI_CCA_REQUIRED if ACPI
	select ACPI_GENERIC_GSI if ACPI
	select ACPI_GTDT if ACPI
	select ACPI_IORT if ACPI
	select ACPI_REDUCED_HARDWARE_ONLY if ACPI
	select ACPI_MCFG if (ACPI && PCI)
	select ACPI_SPCR_TABLE if ACPI
	select ACPI_PPTT if ACPI
	select ARCH_CLOCKSOURCE_DATA
	select ARCH_HAS_DEBUG_VIRTUAL
	select ARCH_HAS_DEVMEM_IS_ALLOWED
	select ARCH_HAS_DMA_PREP_COHERENT
	select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI
	select ARCH_HAS_FAST_MULTIPLIER
	select ARCH_HAS_FORTIFY_SOURCE
	select ARCH_HAS_GCOV_PROFILE_ALL
	select ARCH_HAS_GIGANTIC_PAGE
	select ARCH_HAS_KCOV
	select ARCH_HAS_KEEPINITRD
	select ARCH_HAS_MEMBARRIER_SYNC_CORE
	select ARCH_HAS_PTE_DEVMAP
	select ARCH_HAS_PTE_SPECIAL
	select ARCH_HAS_SETUP_DMA_OPS
	select ARCH_HAS_SET_DIRECT_MAP
	select ARCH_HAS_SET_MEMORY
	select ARCH_HAS_STRICT_KERNEL_RWX
	select ARCH_HAS_STRICT_MODULE_RWX
	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
	select ARCH_HAS_SYNC_DMA_FOR_CPU
	select ARCH_HAS_SYSCALL_WRAPPER
	select ARCH_HAS_TEARDOWN_DMA_OPS if IOMMU_SUPPORT
	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
	select ARCH_HAVE_NMI_SAFE_CMPXCHG
	select ARCH_INLINE_READ_LOCK if !PREEMPT
	select ARCH_INLINE_READ_LOCK_BH if !PREEMPT
	select ARCH_INLINE_READ_LOCK_IRQ if !PREEMPT
	select ARCH_INLINE_READ_LOCK_IRQSAVE if !PREEMPT
	select ARCH_INLINE_READ_UNLOCK if !PREEMPT
	select ARCH_INLINE_READ_UNLOCK_BH if !PREEMPT
	select ARCH_INLINE_READ_UNLOCK_IRQ if !PREEMPT
	select ARCH_INLINE_READ_UNLOCK_IRQRESTORE if !PREEMPT
	select ARCH_INLINE_WRITE_LOCK if !PREEMPT
	select ARCH_INLINE_WRITE_LOCK_BH if !PREEMPT
	select ARCH_INLINE_WRITE_LOCK_IRQ if !PREEMPT
	select ARCH_INLINE_WRITE_LOCK_IRQSAVE if !PREEMPT
	select ARCH_INLINE_WRITE_UNLOCK if !PREEMPT
	select ARCH_INLINE_WRITE_UNLOCK_BH if !PREEMPT
	select ARCH_INLINE_WRITE_UNLOCK_IRQ if !PREEMPT
	select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE if !PREEMPT
	select ARCH_INLINE_SPIN_TRYLOCK if !PREEMPT
	select ARCH_INLINE_SPIN_TRYLOCK_BH if !PREEMPT
	select ARCH_INLINE_SPIN_LOCK if !PREEMPT
	select ARCH_INLINE_SPIN_LOCK_BH if !PREEMPT
	select ARCH_INLINE_SPIN_LOCK_IRQ if !PREEMPT
	select ARCH_INLINE_SPIN_LOCK_IRQSAVE if !PREEMPT
	select ARCH_INLINE_SPIN_UNLOCK if !PREEMPT
	select ARCH_INLINE_SPIN_UNLOCK_BH if !PREEMPT
	select ARCH_INLINE_SPIN_UNLOCK_IRQ if !PREEMPT
	select ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE if !PREEMPT
	select ARCH_KEEP_MEMBLOCK
	select ARCH_USE_CMPXCHG_LOCKREF
	select ARCH_USE_QUEUED_RWLOCKS
	select ARCH_USE_QUEUED_SPINLOCKS
	select ARCH_SUPPORTS_MEMORY_FAILURE
	select ARCH_SUPPORTS_ATOMIC_RMW
	select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && (GCC_VERSION >= 50000 || CC_IS_CLANG)
	select ARCH_SUPPORTS_NUMA_BALANCING
	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION if COMPAT
	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT
	select ARCH_WANT_FRAME_POINTERS
	select ARCH_WANT_HUGE_PMD_SHARE if ARM64_4K_PAGES || (ARM64_16K_PAGES && !ARM64_VA_BITS_36)
	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
	select ARM_GIC_V3
	select ARM_GIC_V3_ITS if PCI
	select ARM_PSCI_FW
	select BUILDTIME_EXTABLE_SORT
	select CLONE_BACKWARDS
	select COMMON_CLK
	select CPU_PM if (SUSPEND || CPU_IDLE)
	select CRC32
	select DCACHE_WORD_ACCESS
	select DMA_DIRECT_REMAP
	select EDAC_SUPPORT
	select FRAME_POINTER
	select GENERIC_ALLOCATOR
	select GENERIC_ARCH_TOPOLOGY
	select GENERIC_CLOCKEVENTS
	select GENERIC_CLOCKEVENTS_BROADCAST
	select GENERIC_CPU_AUTOPROBE
	select GENERIC_CPU_VULNERABILITIES
	select GENERIC_EARLY_IOREMAP
	select GENERIC_IDLE_POLL_SETUP
	select GENERIC_IRQ_MULTI_HANDLER
	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 GENERIC_GETTIMEOFDAY
	select HANDLE_DOMAIN_IRQ
	select HARDIRQS_SW_RESEND
	select HAVE_PCI
	select HAVE_ACPI_APEI if (ACPI && EFI)
	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_JUMP_LABEL_RELATIVE
	select HAVE_ARCH_KASAN if !(ARM64_16K_PAGES && ARM64_VA_BITS_48)
	select HAVE_ARCH_KASAN_SW_TAGS if HAVE_ARCH_KASAN
	select HAVE_ARCH_KGDB
	select HAVE_ARCH_MMAP_RND_BITS
	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT
	select HAVE_ARCH_PREL32_RELOCATIONS
	select HAVE_ARCH_SECCOMP_FILTER
	select HAVE_ARCH_STACKLEAK
	select HAVE_ARCH_THREAD_STRUCT_WHITELIST
	select HAVE_ARCH_TRACEHOOK
	select HAVE_ARCH_TRANSPARENT_HUGEPAGE
	select HAVE_ARCH_VMAP_STACK
	select HAVE_ARM_SMCCC
	select HAVE_ASM_MODVERSIONS
	select HAVE_EBPF_JIT
	select HAVE_C_RECORDMCOUNT
	select HAVE_CMPXCHG_DOUBLE
	select HAVE_CMPXCHG_LOCAL
	select HAVE_CONTEXT_TRACKING
	select HAVE_DEBUG_BUGVERBOSE
	select HAVE_DEBUG_KMEMLEAK
	select HAVE_DMA_CONTIGUOUS
	select HAVE_DYNAMIC_FTRACE
	select HAVE_DYNAMIC_FTRACE_WITH_REGS \
		if $(cc-option,-fpatchable-function-entry=2)
	select HAVE_EFFICIENT_UNALIGNED_ACCESS
	select HAVE_FAST_GUP
	select HAVE_FTRACE_MCOUNT_RECORD
	select HAVE_FUNCTION_TRACER
	select HAVE_FUNCTION_ERROR_INJECTION
	select HAVE_FUNCTION_GRAPH_TRACER
	select HAVE_GCC_PLUGINS
	select HAVE_HW_BREAKPOINT if PERF_EVENTS
	select HAVE_IRQ_TIME_ACCOUNTING
	select HAVE_MEMBLOCK_NODE_MAP if NUMA
	select HAVE_NMI
	select HAVE_PATA_PLATFORM
	select HAVE_PERF_EVENTS
	select HAVE_PERF_REGS
	select HAVE_PERF_USER_STACK_DUMP
	select HAVE_REGS_AND_STACK_ACCESS_API
	select HAVE_FUNCTION_ARG_ACCESS_API
	select HAVE_RCU_TABLE_FREE
	select HAVE_RSEQ
	select HAVE_STACKPROTECTOR
	select HAVE_SYSCALL_TRACEPOINTS
	select HAVE_KPROBES
	select HAVE_KRETPROBES
	select HAVE_GENERIC_VDSO
	select IOMMU_DMA if IOMMU_SUPPORT
	select IRQ_DOMAIN
	select IRQ_FORCED_THREADING
	select MODULES_USE_ELF_RELA
	select NEED_DMA_MAP_STATE
	select NEED_SG_DMA_LENGTH
	select OF
	select OF_EARLY_FLATTREE
	select PCI_DOMAINS_GENERIC if PCI
	select PCI_ECAM if (ACPI && PCI)
	select PCI_SYSCALL if PCI
	select POWER_RESET
	select POWER_SUPPLY
	select SPARSE_IRQ
	select SWIOTLB
	select SYSCTL_EXCEPTION_TRACE
	select THREAD_INFO_IN_TASK
	help
	  ARM 64-bit (AArch64) Linux support.

config 64BIT
	def_bool y

config MMU
	def_bool y

config ARM64_PAGE_SHIFT
	int
	default 16 if ARM64_64K_PAGES
	default 14 if ARM64_16K_PAGES