5eefc0e780
* refs/heads/tmp-925907e:
ANDROID: GKI: Remove CONFIG_LOCALVERSION="-mainline" on 6.1 branch
ANDROID: gki_defconfig: sample large page_alloc allocations with HW_TAGS KASAN
FROMLIST: kasan: allow sampling page_alloc allocations for HW_TAGS
ANDROID: fscrypt, blk-crypto: drop HW-wrapped key compatibility check
ANDROID: GKI: Enable CONFIG_NF_CONNTRACK_PROCFS
ANDROID: mm: arm64: Allow remapping logical mappings as uncached
ANDROID: fuse-bpf: Fix crash from assuming iter is kvec
ANDROID: fuse-bpf: Add /sys/fs flags for fuse-bpf version
ANDROID: fuse-bpf: Make sure to declare functions
ANDROID: fuse-bpf v1.1
ANDROID: KVM: arm64: Add helper for pKVM modules addr conversion
ANDROID: timer: Add vendor hook for timer calc index
ANDROID: KVM: arm64: Fix calculation for number of relocs in .hyp.reloc
ANDROID: KVM: arm64: Ignore modules with empty .hyp.text section
Revert "ANDROID: KVM: arm64: Make gen-hyprel emit delimiters"
ANDROID: KVM: arm64: Resolve hyp module addresses using ELF sections
ANDROID: dma-buf: Add vendorhook to allow mmaping more memory than a DMA-BUF holds
ANDROID: fips140: add fips140_lab_util program
ANDROID: fips140: add kernel crypto module
ANDROID: arm64: simd: omit capability check in may_use_simd()
ANDROID: arm64: disable LSE when building the FIPS140 module
ANDROID: arm64: only permit certain alternatives in the FIPS140 module
ANDROID: jump_label: disable jump labels in fips140.ko
ANDROID: crypto: define fips_enabled to 1 in fips140.ko
ANDROID: crypto: lib/aes - add vendor hooks for AES library routines
ANDROID: crypto: lib/sha256 - add vendor hook for sha256() routine
ANDROID: kbuild: customize module linker script for fips140 module
ANDROID: GKI: Remove usage of __GENKSYMS__ in vendor hooks source
ANDROID: iommu: Add vendor hook to alloc_iova()
ANDROID: iommu: Add vendor hook to select alloc_iova algorithm
ANDROID: iommu: Add a vendor field in iova_domain
ANDROID: usb: gadget: f_accessory: update SS/SSP descriptors
ANDROID: kbuild: Search external devicetree path when running clean target
Revert "ANDROID: KVM: arm64: Coalesce host stage2 entries on ownership reclaim"
ANDROID: KVM: arm64: Keep the pKVM private range under 1GiB
ANDROID: KVM: arm64: Specify stage-2-protected regions in DT
ANDROID: KVM: arm64: Introduce concept of pKVM moveable regions
ANDROID: KVM: arm64: Correctly flag MMIO pages as PKVM_PAGE_RESTRICTED_PROT
ANDROID: KVM: arm64: Introduce default_host_prot()
ANDROID: KVM: arm64: Introduce a hyp panic module notifier
ANDROID: KVM: arm64: Expose linear map APIs to pKVM modules
ANDROID: scheduler: add vendor-specific wake flag
ANDROID: Add a vendor hook that allow a module to modify the wake flag
ANDROID: futex: Add vendor hook for wait queue
ANDROID: rwsem: Add vendor hook to the rw-semaphore
FROMLIST: sched/pelt: Introduce PELT multiplier
ANDROID: GKI: Export clocksource_mmio_init
ANDROID: update "fscrypt: add support for hardware-wrapped keys" to v7
ANDROID: update "dm: add support for passing through derive_sw_secret"
ANDROID: update "block: add basic hardware-wrapped key support" to v7
ANDROID: dm-default-key: update for blk-crypto changes
UPSTREAM: blk-crypto: Add a missing include directive
UPSTREAM: blk-crypto: move internal only declarations to blk-crypto-internal.h
BACKPORT: blk-crypto: add a blk_crypto_config_supported_natively helper
BACKPORT: blk-crypto: don't use struct request_queue for public interfaces
f2fs: let's avoid panic if extent_tree is not created
f2fs: should use a temp extent_info for lookup
f2fs: don't mix to use union values in extent_info
f2fs: initialize extent_cache parameter
f2fs: fix to avoid NULL pointer dereference in f2fs_issue_flush()
ANDROID: update the BRANCH constant
ANDROID: inline isolate_and_split_free_page
ANDROID: mm: compaction: fix isolate_and_split_free_page() redefinition
ANDROID: implement wrapper for reverse migration
ANDROID: KVM: Remove function_nocfi() leftover in pKVM modules
ANDROID: KVM: arm64: Always declare pKVM module loading functions
ANDROID: GKI: Source GKI_BUILD_CONFIG_FRAGMENT after setting all variables
ANDROID: cpuidle: export cpuidle_driver_state_disabled
UPSTREAM: mm/madvise: fix madvise_pageout for private file mappings
ANDROID: KVM: arm64: Allow trap handling from pKVM modules
ANDROID: KVM: arm64: Notify pKVM modules of PSCI events
ANDROID: KVM: arm64: Allow handling illegal aborts from pKVM modules
ANDROID: KVM: arm64: Allow SMC handling from pKVM modules
fscrypt: add additional documentation for SM4 support
fscrypt: remove unused Speck definitions
fscrypt: Add SM4 XTS/CTS symmetric algorithm support
blk-crypto: Add support for SM4-XTS blk crypto mode
blk-crypto: pass a gendisk to blk_crypto_sysfs_{,un}register
fscrypt: add comment for fscrypt_valid_enc_modes_v1()
blk-crypto: Add a missing include directive
blk-crypto: move internal only declarations to blk-crypto-internal.h
blk-crypto: add a blk_crypto_config_supported_natively helper
blk-crypto: don't use struct request_queue for public interfaces
fscrypt: pass super_block to fscrypt_put_master_key_activeref()
Linux 6.1.1
KEYS: encrypted: fix key instantiation with user-provided data
cifs: fix oops during encryption
usb: dwc3: pci: Update PCIe device ID for USB3 controller on CPU sub-system for Raptor Lake
usb: typec: ucsi: Resume in separate work
igb: Initialize mailbox message for VF reset
staging: r8188eu: fix led register settings
xhci: Apply XHCI_RESET_TO_DEFAULT quirk to ADL-N
ALSA: hda/realtek: fix mute/micmute LEDs for a HP ProBook
USB: serial: f81534: fix division by zero on line-speed change
USB: serial: f81232: fix division by zero on line-speed change
USB: serial: cp210x: add Kamstrup RF sniffer PIDs
USB: serial: option: add Quectel EM05-G modem
usb: gadget: uvc: Prevent buffer overflow in setup handler
udf: Fix extending file within last block
udf: Do not bother looking for prealloc extents if i_lenExtents matches i_size
udf: Fix preallocation discarding at indirect extent boundary
udf: Discard preallocation before extending file with a hole
irqchip/ls-extirq: Fix endianness detection
mips: ralink: mt7621: do not use kzalloc too early
mips: ralink: mt7621: soc queries and tests as functions
mips: ralink: mt7621: define MT7621_SYSC_BASE with __iomem
PCI: mt7621: Add sentinel to quirks table
libbpf: Fix uninitialized warning in btf_dump_dump_type_data
x86/vdso: Conditionally export __vdso_sgx_enter_enclave()
Revert "ANDROID: GKI: remove CONFIG_CMDLINE_EXTEND from arm64 gki_defconfig"
ANDROID: Revert "arm64: Drop support for CMDLINE_EXTEND"
ANDROID: of: Support CONFIG_CMDLINE_EXTEND config option
FROMGIT: asm-generic/io: Add _RET_IP_ to MMIO trace for more accurate debug info
ANDROID: firmware_loader: Add support for customer firmware paths
ANDROID: GKI: Enable CONFIG_RT_SOFTIRQ_AWARE_SCHED
FROMLIST: trace: Add trace points for tasklet entry/exit
FROMLIST: softirq: defer softirq processing to ksoftirqd if CPU is busy with RT
FROMLIST: sched: Avoid placing RT threads on cores handling long softirqs
FROMLIST: softirq: Add generic accessor to percpu softirq_pending data
ANDROID: sched/cpuset: Add vendor hook to change tasks affinity
ANDROID: cpuset: Make cpusets restore on hotplug
fsverity: simplify fsverity_get_digest()
fsverity: stop using PG_error to track error status
f2fs: reset wait_ms to default if any of the victims have been selected
f2fs: fix some format WARNING in debug.c and sysfs.c
f2fs: don't call f2fs_issue_discard_timeout() when discard_cmd_cnt is 0 in f2fs_put_super()
f2fs: fix iostat parameter for discard
f2fs: Fix spelling mistake in label: free_bio_enrty_cache -> free_bio_entry_cache
f2fs: add block_age-based extent cache
f2fs: allocate the extent_cache by default
f2fs: refactor extent_cache to support for read and more
f2fs: remove unnecessary __init_extent_tree
f2fs: move internal functions into extent_cache.c
f2fs: specify extent cache for read explicitly
f2fs: introduce f2fs_is_readonly() for readability
f2fs: remove F2FS_SET_FEATURE() and F2FS_CLEAR_FEATURE() macro
f2fs: do some cleanup for f2fs module init
MAINTAINERS: Add f2fs bug tracker link
f2fs: remove the unused flush argument to change_curseg
f2fs: open code allocate_segment_by_default
f2fs: remove struct segment_allocation default_salloc_ops
f2fs: introduce discard_urgent_util sysfs node
f2fs: define MIN_DISCARD_GRANULARITY macro
f2fs: init discard policy after thread wakeup
f2fs: avoid victim selection from previous victim section
f2fs: truncate blocks in batch in __complete_revoke_list()
f2fs: make __queue_discard_cmd() return void
f2fs: fix description about discard_granularity node
f2fs: move set_file_temperature into f2fs_new_inode
f2fs: fix to enable compress for newly created file if extension matches
f2fs: set zstd compress level correctly
f2fs: change type for 'sbi->readdir_ra'
f2fs: cleanup for 'f2fs_tuning_parameters' function
f2fs: fix to alloc_mode changed after remount on a small volume device
f2fs: remove submit label in __submit_discard_cmd()
f2fs: fix to do sanity check on i_extra_isize in is_alive()
f2fs: introduce F2FS_IOC_START_ATOMIC_REPLACE
f2fs: fix to set flush_merge opt and show noflush_merge
f2fs: initialize locks earlier in f2fs_fill_super()
f2fs: optimize iteration over sparse directories
f2fs: fix to avoid accessing uninitialized spinlock
f2fs: correct i_size change for atomic writes
f2fs: add proc entry to show discard_plist info
f2fs: allow to read node block after shutdown
f2fs: replace ternary operator with max()
f2fs: replace gc_urgent_high_remaining with gc_remaining_trials
f2fs: add missing bracket in doc
f2fs: use sysfs_emit instead of sprintf
f2fs: introduce gc_mode sysfs node
f2fs: fix to destroy sbi->post_read_wq in error path of f2fs_fill_super()
f2fs: fix return val in f2fs_start_ckpt_thread()
f2fs: fix the msg data type
f2fs: fix the assign logic of iocb
f2fs: Fix typo in comments
f2fs: introduce max_ordered_discard sysfs node
f2fs: allow to set compression for inlined file
f2fs: add barrier mount option
f2fs: fix normal discard process
f2fs: cleanup in f2fs_create_flush_cmd_control()
f2fs: fix gc mode when gc_urgent_high_remaining is 1
f2fs: remove batched_trim_sections node
f2fs: support fault injection for f2fs_is_valid_blkaddr()
f2fs: fix to invalidate dcc->f2fs_issue_discard in error path
f2fs: Fix the race condition of resize flag between resizefs
f2fs: let's avoid to get cp_rwsem twice by f2fs_evict_inode by d_invalidate
f2fs: should put a page when checking the summary info
ANDROID: GKI: Update GKI modules protected exports
ANDROID: GKI: Add list of protected GKI modules
ANDROID: GKI: Only protect exports if KMI symbols are present
ANDROID: GKI: Protect exports of protected GKI modules
UPSTREAM: crypto: algboss - compile out test-related code when tests disabled
UPSTREAM: crypto: kdf - silence noisy self-test
UPSTREAM: crypto: kdf - skip self-test when tests disabled
UPSTREAM: crypto: api - compile out crypto_boot_test_finished when tests disabled
UPSTREAM: crypto: algboss - optimize registration of internal algorithms
UPSTREAM: crypto: api - optimize algorithm registration when self-tests disabled
ANDROID: KVM: arm64: Add support for non-cacheable mappings
ANDROID: KVM: arm64: Don't filter out KVM_FUNC_MMIO_GUARD_MAP hypercalls
ANDROID: KVM: arm64: Coalesce host stage2 entries on ownership reclaim
ANDROID: KVM: arm64: Move kvm_pte_table to the common header
ANDROID: KVM: arm64: Have different callbacks for PTE manipulation
ANDROID: KVM: arm64: Move PTE attributes definitions to the common header
ANDROID: KVM: arm64: Split stage2_put_pte function
ANDROID: KVM: arm64: Pass the pagetable struct as an argument to the freewalker
ANDROID: KVM: arm64: Fix link with CONFIG_MODULES=n
ANDROID: KVM: arm64: Fix build with CONFIG_MODULES=n
ANDROID: KVM: arm64: Block module loading based on cmdline or HVC
ANDROID: KVM: arm64: Support unaligned fixmap in the nVHE hyp
ANDROID: KVM: arm64: Add support for custom hypercall registration
ANDROID: KVM: arm64: Return a token for a pKVM module registration
ANDROID: KVM: arm64: Introduce hyp_protect_host_page()
ANDROID: KVM: arm64: Add a permission fault handler
ANDROID: KVM: arm64: Introduce PKVM_PAGE_RESTRICTED_PROT
ANDROID: KVM: arm64: Expose kvm_flush_dcache_to_poc() in module_ops
ANDROID: KVM: arm64: Expose hyp fixmap helpers in module_ops
ANDROID: KVM: arm64: Expose puts and putx64 in pKVM ABI
ANDROID: KVM: arm64: Add serial framework for pKVM
ANDROID: KVM: arm64: Expose __pkvm_create_private_mapping to pKVM modules
ANDROID: KVM: arm64: Include .note.gnu.property in .hyp.rodata
ANDROID: KVM: arm64: Allow loading modules to the pKVM hypervisor
ANDROID: KVM: arm64: Refactor nvhe Makefile
ANDROID: KVM: arm64: Make gen-hyprel emit delimiters
ANDROID: KVM: arm64: Move gen-hyprel into a tool directory
ANDROID: KVM: arm64: Add mapping removal interface for nVHE hyp
ANDROID: arm64: patching: Add aarch64_addr_write()
ANDROID: arm64: patching: Refactor __aarch64_insn_write()
ANDROID: KVM: arm64: Use correct pkvm owners type
ANDROID: KVM: arm64: s2mpu: S2MPU V9 code
ANDROID: KVM: arm64: s2mpu: Add MMIO and defines for V9 S2MPU
ANDROID: KVM: arm64: s2mpu: rename versions to match major arch
ANDROID: KVM: arm64: s2mpu: Abstract register initialization with version_ops
ANDROID: KVM: arm64: s2mpu: Pass driver version during init
ANDROID: KVM: arm64: s2mpu: Add SMPT and MPT functions to pgtable abstraction
ANDROID: KVM: arm64: s2mpu: Abstract page table ops
ANDROID: KVM: arm64: iommu: Support dynamic driver registration in IOMMU layer
ANDROID: KVM: arm64: Use 32-bit function ID for PSCI MEM_PROTECT call
Revert "ANDROID: virtio_balloon: New module parameter "pkvm""
ANDROID: KVM: arm64: s2mpu: Fix SYNC latency regression
ANDROID: KVM: arm64: iommu: Add host_stage2_idmap_complete
ANDROID: KVM: arm64: Don't update IOMMUs unnecessarily
ANDROID: KVM: arm64: s2mpu: Add SysMMU_SYNC timeout
ANDROID: KVM: arm64: s2mpu: Allow r/o access to control regs
ANDROID: KVM: arm64: s2mpu: Allow reading MPTC entries
ANDROID: KVM: arm64: s2mpu: Allow L1ENTRY_* r/o access
ANDROID: KVM: arm64: s2mpu: Refactor DABT handler
ANDROID: KVM: arm64: s2mpu: Extract L1ENTRY_* consts
ANDROID: KVM: arm64: s2mpu: Initialize MPTs to PROT_RW
ANDROID: KVM: arm64: iommu: Optimize snapshot_host_stage2
ANDROID: KVM: arm64: iommu: Fix upper bound of PT walk
ANDROID: KVM: arm64: iommu: Add pkvm_iommu_finalize
ANDROID: KVM: arm64: iommu: No powered check in DABT handler
ANDROID: KVM: arm64: s2mpu: Create SysMMU_SYNC driver
ANDROID: KVM: arm64: iommu: Create parent/child relation
ANDROID: KVM: arm64: iommu: Run validate() on struct pkvm_iommu
ANDROID: KVM: arm64: iommu: Create private mapping last
ANDROID: KVM: arm64: iommu: Free memory on registration error
ANDROID: KVM: arm64: iommu: Harden __pkvm_iommu_pm_notify
ANDROID: KVM: arm64: Remove unused IOMMU hooks, kvm_iommu_ops
ANDROID: KVM: arm64: s2mpu: Implement host stage2 idmap callbacks
ANDROID: KVM: arm64: s2mpu: Move mpt_update_flags into FMPT
ANDROID: KVM: arm64: s2mpu: Replace DABT handler with callback
ANDROID: KVM: arm64: s2mpu: Replace SMC handler with PM callbacks
ANDROID: KVM: arm64: s2mpu: Add driver initializer
ANDROID: KVM: arm64: s2mpu: Remove host_stage2_adjust_mmio_range
ANDROID: KVM: arm64: s2mpu: Replace struct s2mpu with pkvm_iommu
ANDROID: KVM: arm64: s2mpu: Remove all EL1 code
ANDROID: KVM: arm64: s2mpu: Move SFR init to EL2
ANDROID: KVM: arm64: iommu: Snapshot host stage-2 at driver init
ANDROID: KVM: arm64: iommu: Host stage-2 idmap callbacks
ANDROID: KVM: arm64: iommu: DABT handler callback
ANDROID: KVM: arm64: iommu: Suspend/resume callbacks
ANDROID: KVM: arm64: iommu: Register device hypcall
ANDROID: KVM: arm64: iommu: Avoid mapping devices in host stage-2
ANDROID: KVM: arm64: iommu: Driver initialization hypcall
ANDROID: KVM: arm64: Fix host MMIO DABT handler IPA
ANDROID: KVM: arm64: Wait on S2MPU.STATUS after invalidation
ANDROID: KVM: arm64: Remove kernel-doc in S2MPU driver
ANDROID: KVM: arm64: Initialize pkvm_pgtable.mm_ops earlier
ANDROID: KVM: arm64: Mark select_iommu_ops static
ANDROID: Enable KVM_S2MPU in gki_defconfig
ANDROID: KVM: arm64: Unmap S2MPU MMIO registers from host stage-2
ANDROID: KVM: arm64: Implement MMIO handler in S2MPU driver
ANDROID: KVM: arm64: Modify S2MPU MPT in 'host_stage2_set_owner'
ANDROID: KVM: arm64: Set up S2MPU Memory Protection Table
ANDROID: KVM: arm64: Reprogram S2MPUs in 'host_smc_handler'
ANDROID: KVM: arm64: Enable S2MPUs in __pkvm_init_stage2_iommu
ANDROID: KVM: arm64: Copy S2MPU configuration to hyp
ANDROID: KVM: arm64: Implement IRQ handler for S2MPU faults
ANDROID: KVM: arm64: Allocate context IDs for valid VIDs
ANDROID: KVM: arm64: Read and check S2MPU_VERSION
ANDROID: KVM: arm64: Parse S2MPU MMIO region
ANDROID: KVM: arm64: Create empty S2MPU driver
ANDROID: KVM: arm64: Add 'host_stage2_adjust_mmio_range' to kvm_iommu_ops
ANDROID: KVM: arm64: Add 'host_mmio_dabt_handler' to kvm_iommu_ops
ANDROID: KVM: arm64: Add 'host_stage2_set_owner' to kvm_iommu_ops
ANDROID: KVM: arm64: Add 'host_smc_handler' to kvm_iommu_ops
ANDROID: KVM: arm64: Introduce IOMMU driver infrastructure
ANDROID: KVM: arm64: Update pKVM hyp state series to v6
ANDROID: KVM: arm64: Add protected_shared_mem statistic
ANDROID: KVM: arm64: count KVM s2 mmu usage in nVHE protected mode
ANDROID: KVM: arm64: Add protected_hyp_mem VM statistic
ANDROID: KVM: arm64: Fix sparse __percpu warning
ANDROID: KVM: arm64: Relax SMCCC version check during FF-A proxy init
ANDROID: KVM: arm64: Increase size of FF-A buffer
BACKPORT: FROMLIST: KVM: arm64: pkvm: Add support for fragmented FF-A descriptors
FROMLIST: KVM: arm64: Handle FFA_MEM_LEND calls from the host
FROMLIST: KVM: arm64: Handle FFA_MEM_RECLAIM calls from the host
FROMLIST: KVM: arm64: Handle FFA_MEM_SHARE calls from the host
BACKPORT: FROMLIST: KVM: arm64: Add FF-A helpers to share/unshare memory with secure world
FROMLIST: KVM: arm64: Handle FFA_RXTX_MAP and FFA_RXTX_UNMAP calls from the host
FROMLIST: KVM: arm64: Allocate pages for hypervisor FF-A mailboxes
FROMLIST: KVM: arm64: Handle FFA_FEATURES call from the host
BACKPORT: FROMLIST: KVM: arm64: Probe FF-A version and host/hyp partition ID during init
FROMLIST: KVM: arm64: Block unsafe FF-A calls from the host
FROMLIST: firmware: arm_ffa: Move comment before the field it is documenting
FROMLIST: firmware: arm_ffa: Move constants to header file
ANDROID: KVM: arm64: Issue CMOs when tearing down shadow pages
ANDROID: KVM: arm64: Use PSCI MEM_PROTECT to zap guest pages on reset
ANDROID: KVM: arm64: Check IPA range for pvmfw during guest donation
ANDROID: KVM: arm64: Use fixmap when poisoning pvmfw pages
ANDROID: KVM: arm64: Rename pkvm_clear_pvmfw_pages()
ANDROID: KVM: arm64: Rename hyp_zero_page() and make available as helper
ANDROID: KVM: arm64: Don't check for hyp_fixmap_map() returning NULL
ANDROID: virtio_balloon: Do not clear VIRTIO_F_ACCESS_PLATFORM
ANDROID: virtio_balloon: New module parameter "pkvm"
ANDROID: KVM: arm64: Introduce kvm_has_memrelinquish_services
ANDROID: KVM: arm64: Flush nVHE hyp_vcpu memcache
ANDROID: KVM: arm64: Avoid unnecessary unmap walk in MEM_RELINQUISH hypercall
ANDROID: KVM: arm64: Strictly check page type in MEM_RELINQUISH hypercall
ANDROID: KVM: Include prototype for page_relinquish before definition
ANDROID: arm64: ioremap/iounmap use stage-2 granule size
ANDROID: arm64: Check if pfn is valid for all ioremap loop iterations
ANDROID: arm64: Auto-enroll MMIO guard on protected vms
ANDROID: KVM: arm64: Add some documentation for the MMIO guard feature
ANDROID: KVM: arm64: Plumb MMIO checking into the fault handling
ANDROID: KVM: arm64: pkvm: Wire MMIO guard hypercalls
ANDROID: KVM: arm64: pkvm: Add MMIO guard infrastructure
ANDROID: KVM: arm64: Introduce KVM_ARCH_FLAG_MMIO_GUARD flag
ANDROID: KVM: arm64: Expose topup_hyp_memcache() to the rest of KVM
ANDROID: KVM: arm64: Define MMIO guard hypercalls
ANDROID: KVM: arm64: FAR_EL2 mask as a define
ANDROID: KVM: arm64: Turn kvm_pgtable_stage2_set_owner into kvm_pgtable_stage2_annotate
ANDROID: memory relinquish: Fix build dependencies
ANDROID: KVM: arm64: Monitor Debug support for non-protected guests
ANDROID: KVM: arm64: Factor out code for saving/restoring guest debug regs
ANDROID: KVM: arm64: Flush the vcpu iflags for non-protected VMs
ANDROID: virtio_balloon: Do not translate reported pages through DMA API
ANDROID: KVM: arm64: balloon: Notify hyp before reporting free pages to host
ANDROID: KVM: arm64: memory balloon: Notify hyp when ballooning
ANDROID: Define mem_relinquish interface for releasing memory to a hypervisor.
ANDROID: KVM: arm64: Implement MEM_RELINQUISH SMCCC hypercall
ANDROID: KVM: arm64: Turn llist of pinned pages into an rb-tree
FROMLIST: KVM: arm64: pkvm: Fixup boot mode to reflect that the kernel resumes from EL1
ANDROID: KVM: arm64: Add .hyp.data section
ANDROID: KVM: arm64: relay entropy requests from protected guests directly to secure
ANDROID: KVM: arm64: Introduce KVM_CAP_ARM_PROTECTED_VM to set/query PVM firmware
ANDROID: KVM: arm64: Reset primary vCPU according to PVM firmware boot protocol
ANDROID: KVM: arm64: Copy pvmfw into guest pages during donation from the host
ANDROID: KVM: arm64: Clear pvmfw pages on clean host shutdown
ANDROID: KVM: arm64: Ignore length of 0 in kvm_flush_dcache_to_poc()
ANDROID: KVM: arm64: Unmap PVM firmware from host stage-2 during de-privilege
ANDROID: KVM: arm64: Parse reserved-memory node for pkvm guest firmware region
ANDROID: Documentation: KVM: Add some documentation for Protected KVM on arm64
ANDROID: BACKPORT: KVM: arm64: Introduce KVM_VM_TYPE_ARM_PROTECTED machine type for PVMs
ANDROID: KVM: arm64: Expose memory sharing hypercalls to protected guests
ANDROID: KVM: arm64: Reformat/beautify PTP hypercall documentation
ANDROID: KVM: arm64: Document the KVM/arm64-specific calls in hypercalls.rst
ANDROID: KVM: arm64: Rename firmware pseudo-register documentation file
ANDROID: KVM: arm64: Extend memory sharing to allow guest-to-host transitions
ANDROID: KVM: arm64: Avoid BBM when changing only s/w bits in Stage-2 PTE
ANDROID: KVM: arm64: Support TLB invalidation in guest context
ANDROID: KVM: arm64: Inject SIGSEGV on illegal accesses
ANDROID: KVM: arm64: Refactor enter_exception64()
ANDROID: KVM: arm64: Add is_pkvm_initialized() helper
ANDROID: KVM: arm64: Don't expose TLBI hypercalls after de-privilege
ANDROID: KVM: arm64: Handle PSCI for protected VMs in EL2
ANDROID: KVM: arm64: Factor out vcpu_reset code for core registers and PSCI
ANDROID: KVM: arm64: Move some kvm_psci functions to a shared header
ANDROID: KVM: arm64: Move pstate reset values to kvm_arm.h
ANDROID: KVM: arm64: Add HVC handling for protected guests at EL2
ANDROID: KVM: arm64: Track the SVE state in the hypervisor vcpu structure
ANDROID: KVM: arm64: Initialize hypervisor vm state at EL2
ANDROID: KVM: arm64: Refactor kvm_vcpu_enable_ptrauth() for hyp use
ANDROID: KVM: arm64: Do not update virtual timer state for protected VMs
ANDROID: KVM: arm64: Move vgic state between host and hypervisor vcpu structures
ANDROID: KVM: arm64: Add EL2 entry/exit handlers for pKVM guests
ANDROID: KVM: arm64: Donate memory to protected guests
ANDROID: KVM: arm64: Force injection of a data abort on NISV MMIO exit
ANDROID: KVM: arm64: Advertise GICv3 sysreg interface to protected guests
ANDROID: KVM: arm64: Fix initializing traps in protected mode
ANDROID: KVM: arm64: Move pkvm_vcpu_init_traps to hyp vcpu init
ANDROID: KVM: arm64: Reset sysregs for protected VMs
ANDROID: KVM: arm64: Refactor reset_mpidr to extract its computation
ANDROID: KVM: arm64: Do not support MTE for protected VMs
ANDROID: KVM: arm64: Restrict protected VM capabilities
ANDROID: KVM: arm64: Trap debug break and watch from guest
ANDROID: KVM: arm64: Check directly whether the vcpu is protected
ANDROID: KVM: arm64: Reduce host/hyp vcpu state copying
ANDROID: KVM: arm64: Lazy host FP save/restore
ANDROID: KVM: arm64: Reintroduce __sve_save_state
ANDROID: KVM: arm64: Introduce lazy-ish state sync for non-protected VMs
ANDROID: KVM: arm64: Introduce per-EC entry/exit handlers
ANDROID: KVM: arm64: Ensure that TLBs and I-cache are private to each vcpu
ANDROID: KVM: arm64: Add hyp per_cpu variable to track current physical cpu number
ANDROID: KVM: arm64: Skip __kvm_adjust_pc() for protected vcpus
ANDROID: KVM: arm64: Add current host and hyp vCPU lookup primitive
ANDROID: KVM: arm64: Introduce the pkvm_vcpu_{load,put} hypercalls
ANDROID: KVM: arm64: Add the {flush,sync}_hyp_timer_state() primitives
ANDROID: KVM: arm64: Introduce predicates to check for protected state
ANDROID: KVM: arm64: Add the {flush,sync}_hyp_vgic_state() primitives
ANDROID: KVM: arm64: Simplify vgic-v3 hypercalls
ANDROID: KVM: arm64: Make vcpu_{read,write}_sys_reg available to HYP code
ANDROID: KVM: arm64: Split up nvhe/fixed_config.h
ANDROID: KVM: arm64: Extend memory donation to allow host-to-guest transitions
ANDROID: KVM: arm64: Handle guest stage-2 page-tables entirely at EL2
ANDROID: KVM: arm64: Disallow dirty logging and RO memslots with pKVM
ANDROID: KVM: arm64: Do not allow memslot changes after first VM run under pKVM
ANDROID: KVM: arm64: Check for PTE validity when checking for executable/cacheable
ANDROID: KVM: arm64: Extend memory sharing to allow host-to-guest transitions
ANDROID: KVM: arm64: Provide a hypercall for the host to reclaim guest memory
ANDROID: KVM: arm64: Add PC_UPDATE_REQ flags covering all PC updates
ANDROID: KVM: arm64: Add vcpu flag copy primitive
ANDROID: KVM: arm64: Repurpose a byte of 'order' for flags in 'struct hyp_page'
FROMLIST: KVM: arm64: Use the pKVM hyp vCPU structure in handle___kvm_vcpu_run()
FROMLIST: KVM: arm64: Don't unnecessarily map host kernel sections at EL2
FROMLIST: KVM: arm64: Explicitly map 'kvm_vgic_global_state' at EL2
FROMLIST: KVM: arm64: Maintain a copy of 'kvm_arm_vmid_bits' at EL2
FROMLIST: KVM: arm64: Unmap 'kvm_arm_hyp_percpu_base' from the host
FROMLIST: BACKPORT: KVM: arm64: Return guest memory from EL2 via dedicated teardown memcache
FROMLIST: KVM: arm64: Instantiate guest stage-2 page-tables at EL2
FROMLIST: KVM: arm64: Consolidate stage-2 initialisation into a single function
FROMLIST: KVM: arm64: Add generic hyp_memcache helpers
FROMLIST: KVM: arm64: Provide I-cache invalidation by virtual address at EL2
FROMLIST: KVM: arm64: Initialise hypervisor copies of host symbols unconditionally
FROMLIST: KVM: arm64: Add per-cpu fixmap infrastructure at EL2
FROMLIST: KVM: arm64: Instantiate pKVM hypervisor VM and vCPU structures from EL1
FROMLIST: KVM: arm64: Add infrastructure to create and track pKVM instances at EL2
FROMLIST: KVM: arm64: Rename 'host_kvm' to 'host_mmu'
FROMLIST: KVM: arm64: Add hyp_spinlock_t static initializer
FROMLIST: KVM: arm64: Include asm/kvm_mmu.h in nvhe/mem_protect.h
FROMLIST: KVM: arm64: Add helpers to pin memory shared with the hypervisor at EL2
FROMLIST: KVM: arm64: Prevent the donation of no-map pages
FROMLIST: KVM: arm64: Implement do_donate() helper for donating memory
FROMLIST: KVM: arm64: Unify identifiers used to distinguish host and hypervisor
FROMLIST: KVM: arm64: Fix-up hyp stage-1 refcounts for all pages mapped at EL2
FROMLIST: KVM: arm64: Back the hypervisor 'struct hyp_page' array for all memory
FROMLIST: KVM: arm64: Allow attaching of non-coalescable pages to a hyp pool
FROMLIST: KVM: arm64: Move hyp refcount manipulation helpers to common header file
ANDROID: arm64: Register earlycon fixmap with the MMIO guard
ANDROID: arm64: Add a helper to retrieve the PTE of a fixmap
ANDROID: BACKPORT: arm64: Enroll into KVM's MMIO guard if required
ANDROID: BACKPORT: arm64: Implement ioremap/iounmap hooks calling into KVM's MMIO guard
ANDROID: mm/vmalloc: Add arch-specific callbacks to track io{remap,unmap} physical pages
ANDROID: BACKPORT: arm64: mm: Implement memory encryption API using KVM sharing hypercalls
ANDROID: drivers: hv: Include memory encryption header
FROMLIST: firmware/smccc: Call arch-specific hook on discovering KVM services
ANDROID: GKI: Enable CONFIG_CFI_CLANG
Conflicts:
drivers/android/vendor_hooks.c
include/linux/compaction.h
include/trace/hooks/timer.h
mm/compaction.c
Change-Id: Ie45fe12a1d6b67f4edb8c23ebb4409754b063385
Upstream-Build: ks_qcom-android14-6.1-keystone-qcom-release@9501271 UKQ2.230118.001
Signed-off-by: jianzhou <quic_jianzhou@quicinc.com>#
2221 lines
72 KiB
Makefile
2221 lines
72 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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VERSION = 6
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PATCHLEVEL = 1
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SUBLEVEL = 1
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EXTRAVERSION =
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NAME = Hurr durr I'ma ninja sloth
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# *DOCUMENTATION*
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# To see a list of typical targets execute "make help"
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# More info can be located in ./README
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# Comments in this file are targeted only to the developer, do not
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# expect to learn how to build the kernel reading this file.
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$(if $(filter __%, $(MAKECMDGOALS)), \
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$(error targets prefixed with '__' are only for internal use))
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# That's our default target when none is given on the command line
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PHONY := __all
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__all:
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# We are using a recursive build, so we need to do a little thinking
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# to get the ordering right.
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#
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# Most importantly: sub-Makefiles should only ever modify files in
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# their own directory. If in some directory we have a dependency on
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# a file in another dir (which doesn't happen often, but it's often
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# unavoidable when linking the built-in.a targets which finally
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# turn into vmlinux), we will call a sub make in that other dir, and
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# after that we are sure that everything which is in that other dir
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# is now up to date.
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#
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# The only cases where we need to modify files which have global
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# effects are thus separated out and done before the recursive
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# descending is started. They are now explicitly listed as the
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# prepare rule.
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ifneq ($(sub_make_done),1)
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# Do not use make's built-in rules and variables
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# (this increases performance and avoids hard-to-debug behaviour)
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MAKEFLAGS += -rR
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# Avoid funny character set dependencies
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unexport LC_ALL
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LC_COLLATE=C
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LC_NUMERIC=C
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export LC_COLLATE LC_NUMERIC
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|
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# Avoid interference with shell env settings
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unexport GREP_OPTIONS
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# Beautify output
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# ---------------------------------------------------------------------------
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#
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# Normally, we echo the whole command before executing it. By making
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# that echo $($(quiet)$(cmd)), we now have the possibility to set
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# $(quiet) to choose other forms of output instead, e.g.
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#
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# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
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# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
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#
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# If $(quiet) is empty, the whole command will be printed.
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# If it is set to "quiet_", only the short version will be printed.
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# If it is set to "silent_", nothing will be printed at all, since
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# the variable $(silent_cmd_cc_o_c) doesn't exist.
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#
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# A simple variant is to prefix commands with $(Q) - that's useful
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# for commands that shall be hidden in non-verbose mode.
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#
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# $(Q)ln $@ :<
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#
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# If KBUILD_VERBOSE equals 0 then the above command will be hidden.
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# If KBUILD_VERBOSE equals 1 then the above command is displayed.
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# If KBUILD_VERBOSE equals 2 then give the reason why each target is rebuilt.
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#
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# To put more focus on warnings, be less verbose as default
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# Use 'make V=1' to see the full commands
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ifeq ("$(origin V)", "command line")
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KBUILD_VERBOSE = $(V)
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endif
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ifndef KBUILD_VERBOSE
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KBUILD_VERBOSE = 0
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endif
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ifeq ($(KBUILD_VERBOSE),1)
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quiet =
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Q =
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else
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quiet=quiet_
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Q = @
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endif
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|
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# If the user is running make -s (silent mode), suppress echoing of
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# commands
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ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),)
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quiet=silent_
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KBUILD_VERBOSE = 0
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endif
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export quiet Q KBUILD_VERBOSE
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# Call a source code checker (by default, "sparse") as part of the
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# C compilation.
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#
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# Use 'make C=1' to enable checking of only re-compiled files.
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# Use 'make C=2' to enable checking of *all* source files, regardless
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# of whether they are re-compiled or not.
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#
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# See the file "Documentation/dev-tools/sparse.rst" for more details,
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# including where to get the "sparse" utility.
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ifeq ("$(origin C)", "command line")
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KBUILD_CHECKSRC = $(C)
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endif
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ifndef KBUILD_CHECKSRC
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KBUILD_CHECKSRC = 0
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endif
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export KBUILD_CHECKSRC
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# Enable "clippy" (a linter) as part of the Rust compilation.
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#
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# Use 'make CLIPPY=1' to enable it.
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ifeq ("$(origin CLIPPY)", "command line")
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KBUILD_CLIPPY := $(CLIPPY)
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endif
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export KBUILD_CLIPPY
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# Use make M=dir or set the environment variable KBUILD_EXTMOD to specify the
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# directory of external module to build. Setting M= takes precedence.
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ifeq ("$(origin M)", "command line")
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KBUILD_EXTMOD := $(M)
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endif
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$(if $(word 2, $(KBUILD_EXTMOD)), \
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$(error building multiple external modules is not supported))
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$(foreach x, % :, $(if $(findstring $x, $(KBUILD_EXTMOD)), \
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$(error module directory path cannot contain '$x')))
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|
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# Remove trailing slashes
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ifneq ($(filter %/, $(KBUILD_EXTMOD)),)
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KBUILD_EXTMOD := $(shell dirname $(KBUILD_EXTMOD).)
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endif
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export KBUILD_EXTMOD
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# ANDROID: set up mixed-build support. mixed-build allows device kernel modules
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# to be compiled against a GKI kernel. This approach still uses the headers and
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# Kbuild from device kernel, so care must be taken to ensure that those headers match.
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ifdef KBUILD_MIXED_TREE
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# Need vmlinux.symvers for modpost and System.map for depmod, check whether they exist in KBUILD_MIXED_TREE
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required_mixed_files=vmlinux.symvers System.map
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$(if $(filter-out $(words $(required_mixed_files)), \
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$(words $(wildcard $(add-prefix $(KBUILD_MIXED_TREE)/,$(required_mixed_files))))),,\
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$(error KBUILD_MIXED_TREE=$(KBUILD_MIXED_TREE) doesn't contain $(required_mixed_files)))
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endif
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mixed-build-prefix = $(if $(KBUILD_MIXED_TREE),$(KBUILD_MIXED_TREE)/)
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export KBUILD_MIXED_TREE
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# This is a hack for kleaf to set mixed-build-prefix within the execution of a make rule, e.g.
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# within __modinst_pre.
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# TODO(b/205893923): Revert this hack once it is properly handled.
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export mixed-build-prefix
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# Kbuild will save output files in the current working directory.
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# This does not need to match to the root of the kernel source tree.
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#
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# For example, you can do this:
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#
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# cd /dir/to/store/output/files; make -f /dir/to/kernel/source/Makefile
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#
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# If you want to save output files in a different location, there are
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# two syntaxes to specify it.
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#
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# 1) O=
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# Use "make O=dir/to/store/output/files/"
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#
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# 2) Set KBUILD_OUTPUT
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# Set the environment variable KBUILD_OUTPUT to point to the output directory.
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# export KBUILD_OUTPUT=dir/to/store/output/files/; make
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#
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# The O= assignment takes precedence over the KBUILD_OUTPUT environment
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# variable.
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# Do we want to change the working directory?
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ifeq ("$(origin O)", "command line")
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KBUILD_OUTPUT := $(O)
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endif
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ifneq ($(KBUILD_OUTPUT),)
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# Make's built-in functions such as $(abspath ...), $(realpath ...) cannot
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# expand a shell special character '~'. We use a somewhat tedious way here.
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abs_objtree := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) && pwd)
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$(if $(abs_objtree),, \
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$(error failed to create output directory "$(KBUILD_OUTPUT)"))
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# $(realpath ...) resolves symlinks
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abs_objtree := $(realpath $(abs_objtree))
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else
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abs_objtree := $(CURDIR)
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endif # ifneq ($(KBUILD_OUTPUT),)
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ifeq ($(abs_objtree),$(CURDIR))
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# Suppress "Entering directory ..." unless we are changing the work directory.
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MAKEFLAGS += --no-print-directory
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else
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need-sub-make := 1
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endif
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this-makefile := $(lastword $(MAKEFILE_LIST))
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abs_srctree := $(realpath $(dir $(this-makefile)))
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ifneq ($(words $(subst :, ,$(abs_srctree))), 1)
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$(error source directory cannot contain spaces or colons)
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endif
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ifneq ($(abs_srctree),$(abs_objtree))
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# Look for make include files relative to root of kernel src
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#
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# --included-dir is added for backward compatibility, but you should not rely on
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# it. Please add $(srctree)/ prefix to include Makefiles in the source tree.
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MAKEFLAGS += --include-dir=$(abs_srctree)
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endif
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ifneq ($(filter 3.%,$(MAKE_VERSION)),)
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# 'MAKEFLAGS += -rR' does not immediately become effective for GNU Make 3.x
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# We need to invoke sub-make to avoid implicit rules in the top Makefile.
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need-sub-make := 1
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# Cancel implicit rules for this Makefile.
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$(this-makefile): ;
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endif
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export abs_srctree abs_objtree
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export sub_make_done := 1
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ifeq ($(need-sub-make),1)
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PHONY += $(MAKECMDGOALS) __sub-make
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$(filter-out $(this-makefile), $(MAKECMDGOALS)) __all: __sub-make
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@:
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# Invoke a second make in the output directory, passing relevant variables
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__sub-make:
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$(Q)$(MAKE) -C $(abs_objtree) -f $(abs_srctree)/Makefile $(MAKECMDGOALS)
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|
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endif # need-sub-make
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endif # sub_make_done
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|
# We process the rest of the Makefile if this is the final invocation of make
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ifeq ($(need-sub-make),)
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|
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# Do not print "Entering directory ...",
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# but we want to display it when entering to the output directory
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# so that IDEs/editors are able to understand relative filenames.
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MAKEFLAGS += --no-print-directory
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|
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ifeq ($(abs_srctree),$(abs_objtree))
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# building in the source tree
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srctree := .
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building_out_of_srctree :=
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else
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ifeq ($(abs_srctree)/,$(dir $(abs_objtree)))
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# building in a subdirectory of the source tree
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srctree := ..
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else
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srctree := $(abs_srctree)
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endif
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building_out_of_srctree := 1
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endif
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ifneq ($(KBUILD_ABS_SRCTREE),)
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srctree := $(abs_srctree)
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endif
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objtree := .
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VPATH := $(srctree)
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export building_out_of_srctree srctree objtree VPATH
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|
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# To make sure we do not include .config for any of the *config targets
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# catch them early, and hand them over to scripts/kconfig/Makefile
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# It is allowed to specify more targets when calling make, including
|
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# mixing *config targets and build targets.
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# For example 'make oldconfig all'.
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# Detect when mixed targets is specified, and make a second invocation
|
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# of make so .config is not included in this case either (for *config).
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version_h := include/generated/uapi/linux/version.h
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clean-targets := %clean mrproper cleandocs
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no-dot-config-targets := $(clean-targets) \
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cscope gtags TAGS tags help% %docs check% coccicheck \
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$(version_h) headers headers_% archheaders archscripts \
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%asm-generic kernelversion %src-pkg dt_binding_check \
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outputmakefile rustavailable rustfmt rustfmtcheck
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# Installation targets should not require compiler. Unfortunately, vdso_install
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# is an exception where build artifacts may be updated. This must be fixed.
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no-compiler-targets := $(no-dot-config-targets) install dtbs_install \
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headers_install modules_install kernelrelease image_name
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no-sync-config-targets := $(no-dot-config-targets) %install kernelrelease \
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image_name
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single-targets := %.a %.i %.rsi %.ko %.lds %.ll %.lst %.mod %.o %.s %.symtypes %/
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|
|
config-build :=
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|
mixed-build :=
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|
need-config := 1
|
|
need-compiler := 1
|
|
may-sync-config := 1
|
|
single-build :=
|
|
|
|
ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
|
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ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),)
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need-config :=
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endif
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|
endif
|
|
|
|
ifneq ($(filter $(no-compiler-targets), $(MAKECMDGOALS)),)
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ifeq ($(filter-out $(no-compiler-targets), $(MAKECMDGOALS)),)
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need-compiler :=
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endif
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|
endif
|
|
|
|
ifneq ($(filter $(no-sync-config-targets), $(MAKECMDGOALS)),)
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ifeq ($(filter-out $(no-sync-config-targets), $(MAKECMDGOALS)),)
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may-sync-config :=
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endif
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endif
|
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|
|
ifneq ($(KBUILD_EXTMOD),)
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may-sync-config :=
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|
endif
|
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|
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ifeq ($(KBUILD_EXTMOD),)
|
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ifneq ($(filter %config,$(MAKECMDGOALS)),)
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config-build := 1
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ifneq ($(words $(MAKECMDGOALS)),1)
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mixed-build := 1
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endif
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endif
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endif
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|
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# We cannot build single targets and the others at the same time
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ifneq ($(filter $(single-targets), $(MAKECMDGOALS)),)
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single-build := 1
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ifneq ($(filter-out $(single-targets), $(MAKECMDGOALS)),)
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mixed-build := 1
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endif
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endif
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|
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# For "make -j clean all", "make -j mrproper defconfig all", etc.
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|
ifneq ($(filter $(clean-targets),$(MAKECMDGOALS)),)
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ifneq ($(filter-out $(clean-targets),$(MAKECMDGOALS)),)
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mixed-build := 1
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endif
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endif
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|
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# install and modules_install need also be processed one by one
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ifneq ($(filter install,$(MAKECMDGOALS)),)
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ifneq ($(filter modules_install,$(MAKECMDGOALS)),)
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mixed-build := 1
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endif
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endif
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|
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ifdef mixed-build
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# ===========================================================================
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# We're called with mixed targets (*config and build targets).
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# Handle them one by one.
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PHONY += $(MAKECMDGOALS) __build_one_by_one
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$(MAKECMDGOALS): __build_one_by_one
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@:
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__build_one_by_one:
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$(Q)set -e; \
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for i in $(MAKECMDGOALS); do \
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$(MAKE) -f $(srctree)/Makefile $$i; \
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done
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else # !mixed-build
|
|
|
|
include $(srctree)/scripts/Kbuild.include
|
|
|
|
# Read KERNELRELEASE from include/config/kernel.release (if it exists)
|
|
KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)
|
|
KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
|
|
export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION
|
|
|
|
include $(srctree)/scripts/subarch.include
|
|
|
|
# Cross compiling and selecting different set of gcc/bin-utils
|
|
# ---------------------------------------------------------------------------
|
|
#
|
|
# When performing cross compilation for other architectures ARCH shall be set
|
|
# to the target architecture. (See arch/* for the possibilities).
|
|
# ARCH can be set during invocation of make:
|
|
# make ARCH=ia64
|
|
# Another way is to have ARCH set in the environment.
|
|
# The default ARCH is the host where make is executed.
|
|
|
|
# CROSS_COMPILE specify the prefix used for all executables used
|
|
# during compilation. Only gcc and related bin-utils executables
|
|
# are prefixed with $(CROSS_COMPILE).
|
|
# CROSS_COMPILE can be set on the command line
|
|
# make CROSS_COMPILE=ia64-linux-
|
|
# Alternatively CROSS_COMPILE can be set in the environment.
|
|
# Default value for CROSS_COMPILE is not to prefix executables
|
|
# Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile
|
|
ARCH ?= $(SUBARCH)
|
|
|
|
# Architecture as present in compile.h
|
|
UTS_MACHINE := $(ARCH)
|
|
SRCARCH := $(ARCH)
|
|
|
|
# Additional ARCH settings for x86
|
|
ifeq ($(ARCH),i386)
|
|
SRCARCH := x86
|
|
endif
|
|
ifeq ($(ARCH),x86_64)
|
|
SRCARCH := x86
|
|
endif
|
|
|
|
# Additional ARCH settings for sparc
|
|
ifeq ($(ARCH),sparc32)
|
|
SRCARCH := sparc
|
|
endif
|
|
ifeq ($(ARCH),sparc64)
|
|
SRCARCH := sparc
|
|
endif
|
|
|
|
# Additional ARCH settings for parisc
|
|
ifeq ($(ARCH),parisc64)
|
|
SRCARCH := parisc
|
|
endif
|
|
|
|
export cross_compiling :=
|
|
ifneq ($(SRCARCH),$(SUBARCH))
|
|
cross_compiling := 1
|
|
endif
|
|
|
|
KCONFIG_CONFIG ?= .config
|
|
export KCONFIG_CONFIG
|
|
|
|
# SHELL used by kbuild
|
|
CONFIG_SHELL := sh
|
|
|
|
HOST_LFS_CFLAGS := $(shell getconf LFS_CFLAGS 2>/dev/null)
|
|
HOST_LFS_LDFLAGS := $(shell getconf LFS_LDFLAGS 2>/dev/null)
|
|
HOST_LFS_LIBS := $(shell getconf LFS_LIBS 2>/dev/null)
|
|
|
|
ifneq ($(LLVM),)
|
|
ifneq ($(filter %/,$(LLVM)),)
|
|
LLVM_PREFIX := $(LLVM)
|
|
else ifneq ($(filter -%,$(LLVM)),)
|
|
LLVM_SUFFIX := $(LLVM)
|
|
endif
|
|
|
|
HOSTCC = $(LLVM_PREFIX)clang$(LLVM_SUFFIX)
|
|
HOSTCXX = $(LLVM_PREFIX)clang++$(LLVM_SUFFIX)
|
|
else
|
|
HOSTCC = gcc
|
|
HOSTCXX = g++
|
|
endif
|
|
HOSTRUSTC = rustc
|
|
HOSTPKG_CONFIG = pkg-config
|
|
|
|
KBUILD_USERHOSTCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes \
|
|
-O2 -fomit-frame-pointer -std=gnu11 \
|
|
-Wdeclaration-after-statement
|
|
KBUILD_USERCFLAGS := $(KBUILD_USERHOSTCFLAGS) $(USERCFLAGS)
|
|
KBUILD_USERLDFLAGS := $(USERLDFLAGS)
|
|
|
|
# These flags apply to all Rust code in the tree, including the kernel and
|
|
# host programs.
|
|
export rust_common_flags := --edition=2021 \
|
|
-Zbinary_dep_depinfo=y \
|
|
-Dunsafe_op_in_unsafe_fn -Drust_2018_idioms \
|
|
-Dunreachable_pub -Dnon_ascii_idents \
|
|
-Wmissing_docs \
|
|
-Drustdoc::missing_crate_level_docs \
|
|
-Dclippy::correctness -Dclippy::style \
|
|
-Dclippy::suspicious -Dclippy::complexity \
|
|
-Dclippy::perf \
|
|
-Dclippy::let_unit_value -Dclippy::mut_mut \
|
|
-Dclippy::needless_bitwise_bool \
|
|
-Dclippy::needless_continue \
|
|
-Wclippy::dbg_macro
|
|
|
|
KBUILD_HOSTCFLAGS := $(KBUILD_USERHOSTCFLAGS) $(HOST_LFS_CFLAGS) $(HOSTCFLAGS)
|
|
KBUILD_HOSTCXXFLAGS := -Wall -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
|
|
KBUILD_HOSTRUSTFLAGS := $(rust_common_flags) -O -Cstrip=debuginfo \
|
|
-Zallow-features= $(HOSTRUSTFLAGS)
|
|
KBUILD_HOSTLDFLAGS := $(HOST_LFS_LDFLAGS) $(HOSTLDFLAGS)
|
|
KBUILD_HOSTLDLIBS := $(HOST_LFS_LIBS) $(HOSTLDLIBS)
|
|
|
|
# Make variables (CC, etc...)
|
|
CPP = $(CC) -E
|
|
ifneq ($(LLVM),)
|
|
CC = $(LLVM_PREFIX)clang$(LLVM_SUFFIX)
|
|
LD = $(LLVM_PREFIX)ld.lld$(LLVM_SUFFIX)
|
|
AR = $(LLVM_PREFIX)llvm-ar$(LLVM_SUFFIX)
|
|
NM = $(LLVM_PREFIX)llvm-nm$(LLVM_SUFFIX)
|
|
OBJCOPY = $(LLVM_PREFIX)llvm-objcopy$(LLVM_SUFFIX)
|
|
OBJDUMP = $(LLVM_PREFIX)llvm-objdump$(LLVM_SUFFIX)
|
|
READELF = $(LLVM_PREFIX)llvm-readelf$(LLVM_SUFFIX)
|
|
STRIP = $(LLVM_PREFIX)llvm-strip$(LLVM_SUFFIX)
|
|
else
|
|
CC = $(CROSS_COMPILE)gcc
|
|
LD = $(CROSS_COMPILE)ld
|
|
AR = $(CROSS_COMPILE)ar
|
|
NM = $(CROSS_COMPILE)nm
|
|
OBJCOPY = $(CROSS_COMPILE)objcopy
|
|
OBJDUMP = $(CROSS_COMPILE)objdump
|
|
READELF = $(CROSS_COMPILE)readelf
|
|
STRIP = $(CROSS_COMPILE)strip
|
|
endif
|
|
RUSTC = rustc
|
|
RUSTDOC = rustdoc
|
|
RUSTFMT = rustfmt
|
|
CLIPPY_DRIVER = clippy-driver
|
|
BINDGEN = bindgen
|
|
CARGO = cargo
|
|
PAHOLE = pahole
|
|
RESOLVE_BTFIDS = $(objtree)/tools/bpf/resolve_btfids/resolve_btfids
|
|
LEX = flex
|
|
YACC = bison
|
|
AWK = awk
|
|
INSTALLKERNEL := installkernel
|
|
DEPMOD = depmod
|
|
PERL = perl
|
|
PYTHON3 = python3
|
|
CHECK = sparse
|
|
BASH = bash
|
|
KGZIP = gzip
|
|
KBZIP2 = bzip2
|
|
KLZOP = lzop
|
|
LZMA = lzma
|
|
LZ4 = lz4
|
|
XZ = xz
|
|
ZSTD = zstd
|
|
|
|
PAHOLE_FLAGS = $(shell PAHOLE=$(PAHOLE) $(srctree)/scripts/pahole-flags.sh)
|
|
|
|
CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
|
|
-Wbitwise -Wno-return-void -Wno-unknown-attribute $(CF)
|
|
NOSTDINC_FLAGS :=
|
|
CFLAGS_MODULE =
|
|
RUSTFLAGS_MODULE =
|
|
AFLAGS_MODULE =
|
|
LDFLAGS_MODULE =
|
|
CFLAGS_KERNEL =
|
|
RUSTFLAGS_KERNEL =
|
|
AFLAGS_KERNEL =
|
|
export LDFLAGS_vmlinux =
|
|
|
|
# Use USERINCLUDE when you must reference the UAPI directories only.
|
|
USERINCLUDE := \
|
|
-I$(srctree)/arch/$(SRCARCH)/include/uapi \
|
|
-I$(objtree)/arch/$(SRCARCH)/include/generated/uapi \
|
|
-I$(srctree)/include/uapi \
|
|
-I$(objtree)/include/generated/uapi \
|
|
-include $(srctree)/include/linux/compiler-version.h \
|
|
-include $(srctree)/include/linux/kconfig.h
|
|
|
|
# Use LINUXINCLUDE when you must reference the include/ directory.
|
|
# Needed to be compatible with the O= option
|
|
LINUXINCLUDE := \
|
|
-I$(srctree)/arch/$(SRCARCH)/include \
|
|
-I$(objtree)/arch/$(SRCARCH)/include/generated \
|
|
$(if $(building_out_of_srctree),-I$(srctree)/include) \
|
|
-I$(objtree)/include \
|
|
$(USERINCLUDE)
|
|
|
|
KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE
|
|
KBUILD_CFLAGS := -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs \
|
|
-fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \
|
|
-Werror=implicit-function-declaration -Werror=implicit-int \
|
|
-Werror=return-type -Wno-format-security \
|
|
-std=gnu11
|
|
KBUILD_CPPFLAGS := -D__KERNEL__
|
|
KBUILD_RUSTFLAGS := $(rust_common_flags) \
|
|
--target=$(objtree)/rust/target.json \
|
|
-Cpanic=abort -Cembed-bitcode=n -Clto=n \
|
|
-Cforce-unwind-tables=n -Ccodegen-units=1 \
|
|
-Csymbol-mangling-version=v0 \
|
|
-Crelocation-model=static \
|
|
-Zfunction-sections=n \
|
|
-Dclippy::float_arithmetic
|
|
|
|
KBUILD_AFLAGS_KERNEL :=
|
|
KBUILD_CFLAGS_KERNEL :=
|
|
KBUILD_RUSTFLAGS_KERNEL :=
|
|
KBUILD_AFLAGS_MODULE := -DMODULE
|
|
KBUILD_CFLAGS_MODULE := -DMODULE
|
|
KBUILD_RUSTFLAGS_MODULE := --cfg MODULE
|
|
KBUILD_LDFLAGS_MODULE :=
|
|
KBUILD_LDFLAGS :=
|
|
CLANG_FLAGS :=
|
|
|
|
ifeq ($(KBUILD_CLIPPY),1)
|
|
RUSTC_OR_CLIPPY_QUIET := CLIPPY
|
|
RUSTC_OR_CLIPPY = $(CLIPPY_DRIVER)
|
|
else
|
|
RUSTC_OR_CLIPPY_QUIET := RUSTC
|
|
RUSTC_OR_CLIPPY = $(RUSTC)
|
|
endif
|
|
|
|
ifdef RUST_LIB_SRC
|
|
export RUST_LIB_SRC
|
|
endif
|
|
|
|
# Allows the usage of unstable features in stable compilers.
|
|
export RUSTC_BOOTSTRAP := 1
|
|
|
|
export ARCH SRCARCH CONFIG_SHELL BASH HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE LD CC HOSTPKG_CONFIG
|
|
export RUSTC RUSTDOC RUSTFMT RUSTC_OR_CLIPPY_QUIET RUSTC_OR_CLIPPY BINDGEN CARGO
|
|
export HOSTRUSTC KBUILD_HOSTRUSTFLAGS
|
|
export CPP AR NM STRIP OBJCOPY OBJDUMP READELF PAHOLE RESOLVE_BTFIDS LEX YACC AWK INSTALLKERNEL
|
|
export PERL PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX
|
|
export KGZIP KBZIP2 KLZOP LZMA LZ4 XZ ZSTD
|
|
export KBUILD_HOSTCXXFLAGS KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS LDFLAGS_MODULE
|
|
export KBUILD_USERCFLAGS KBUILD_USERLDFLAGS
|
|
|
|
export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS KBUILD_LDFLAGS
|
|
export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE
|
|
export KBUILD_RUSTFLAGS RUSTFLAGS_KERNEL RUSTFLAGS_MODULE
|
|
export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE
|
|
export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODULE KBUILD_RUSTFLAGS_MODULE KBUILD_LDFLAGS_MODULE
|
|
export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERNEL KBUILD_RUSTFLAGS_KERNEL
|
|
export PAHOLE_FLAGS
|
|
|
|
# Files to ignore in find ... statements
|
|
|
|
export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \
|
|
-name CVS -o -name .pc -o -name .hg -o -name .git \) \
|
|
-prune -o
|
|
export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \
|
|
--exclude CVS --exclude .pc --exclude .hg --exclude .git
|
|
|
|
# ===========================================================================
|
|
# Rules shared between *config targets and build targets
|
|
|
|
# Basic helpers built in scripts/basic/
|
|
PHONY += scripts_basic
|
|
scripts_basic:
|
|
$(Q)$(MAKE) $(build)=scripts/basic
|
|
|
|
PHONY += outputmakefile
|
|
ifdef building_out_of_srctree
|
|
# Before starting out-of-tree build, make sure the source tree is clean.
|
|
# outputmakefile generates a Makefile in the output directory, if using a
|
|
# separate output directory. This allows convenient use of make in the
|
|
# output directory.
|
|
# At the same time when output Makefile generated, generate .gitignore to
|
|
# ignore whole output directory
|
|
|
|
quiet_cmd_makefile = GEN Makefile
|
|
cmd_makefile = { \
|
|
echo "\# Automatically generated by $(srctree)/Makefile: don't edit"; \
|
|
echo "include $(srctree)/Makefile"; \
|
|
} > Makefile
|
|
|
|
outputmakefile:
|
|
@if [ -f $(srctree)/.config -o \
|
|
-d $(srctree)/include/config -o \
|
|
-d $(srctree)/arch/$(SRCARCH)/include/generated ]; then \
|
|
echo >&2 "***"; \
|
|
echo >&2 "*** The source tree is not clean, please run 'make$(if $(findstring command line, $(origin ARCH)), ARCH=$(ARCH)) mrproper'"; \
|
|
echo >&2 "*** in $(abs_srctree)";\
|
|
echo >&2 "***"; \
|
|
false; \
|
|
fi
|
|
$(Q)ln -fsn $(srctree) source
|
|
$(call cmd,makefile)
|
|
$(Q)test -e .gitignore || \
|
|
{ echo "# this is build directory, ignore it"; echo "*"; } > .gitignore
|
|
endif
|
|
|
|
# The expansion should be delayed until arch/$(SRCARCH)/Makefile is included.
|
|
# Some architectures define CROSS_COMPILE in arch/$(SRCARCH)/Makefile.
|
|
# CC_VERSION_TEXT is referenced from Kconfig (so it needs export),
|
|
# and from include/config/auto.conf.cmd to detect the compiler upgrade.
|
|
CC_VERSION_TEXT = $(subst $(pound),,$(shell LC_ALL=C $(CC) --version 2>/dev/null | head -n 1))
|
|
|
|
ifneq ($(findstring clang,$(CC_VERSION_TEXT)),)
|
|
include $(srctree)/scripts/Makefile.clang
|
|
endif
|
|
|
|
# Include this also for config targets because some architectures need
|
|
# cc-cross-prefix to determine CROSS_COMPILE.
|
|
ifdef need-compiler
|
|
include $(srctree)/scripts/Makefile.compiler
|
|
endif
|
|
|
|
ifdef config-build
|
|
# ===========================================================================
|
|
# *config targets only - make sure prerequisites are updated, and descend
|
|
# in scripts/kconfig to make the *config target
|
|
|
|
# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed.
|
|
# KBUILD_DEFCONFIG may point out an alternative default configuration
|
|
# used for 'make defconfig'
|
|
include $(srctree)/arch/$(SRCARCH)/Makefile
|
|
export KBUILD_DEFCONFIG KBUILD_KCONFIG CC_VERSION_TEXT
|
|
|
|
config: outputmakefile scripts_basic FORCE
|
|
$(Q)$(MAKE) $(build)=scripts/kconfig $@
|
|
|
|
%config: outputmakefile scripts_basic FORCE
|
|
$(Q)$(MAKE) $(build)=scripts/kconfig $@
|
|
|
|
else #!config-build
|
|
# ===========================================================================
|
|
# Build targets only - this includes vmlinux, arch specific targets, clean
|
|
# targets and others. In general all targets except *config targets.
|
|
|
|
# If building an external module we do not care about the all: rule
|
|
# but instead __all depend on modules
|
|
PHONY += all
|
|
ifeq ($(KBUILD_EXTMOD),)
|
|
__all: all
|
|
else
|
|
__all: modules
|
|
endif
|
|
|
|
targets :=
|
|
|
|
# Decide whether to build built-in, modular, or both.
|
|
# Normally, just do built-in.
|
|
|
|
KBUILD_MODULES :=
|
|
KBUILD_BUILTIN := 1
|
|
|
|
# If we have only "make modules", don't compile built-in objects.
|
|
ifeq ($(MAKECMDGOALS),modules)
|
|
KBUILD_BUILTIN :=
|
|
endif
|
|
|
|
# If we have "make <whatever> modules", compile modules
|
|
# in addition to whatever we do anyway.
|
|
# Just "make" or "make all" shall build modules as well
|
|
|
|
ifneq ($(filter all modules nsdeps %compile_commands.json clang-%,$(MAKECMDGOALS)),)
|
|
KBUILD_MODULES := 1
|
|
endif
|
|
|
|
ifeq ($(MAKECMDGOALS),)
|
|
KBUILD_MODULES := 1
|
|
endif
|
|
|
|
export KBUILD_MODULES KBUILD_BUILTIN
|
|
|
|
ifdef need-config
|
|
include include/config/auto.conf
|
|
endif
|
|
|
|
ifeq ($(KBUILD_EXTMOD),)
|
|
# Objects we will link into vmlinux / subdirs we need to visit
|
|
core-y :=
|
|
drivers-y :=
|
|
libs-y := lib/
|
|
endif # KBUILD_EXTMOD
|
|
|
|
ifndef KBUILD_MIXED_TREE
|
|
# The all: target is the default when no target is given on the
|
|
# command line.
|
|
# This allow a user to issue only 'make' to build a kernel including modules
|
|
# Defaults to vmlinux, but the arch makefile usually adds further targets
|
|
all: vmlinux
|
|
endif
|
|
|
|
CFLAGS_GCOV := -fprofile-arcs -ftest-coverage
|
|
ifdef CONFIG_CC_IS_GCC
|
|
CFLAGS_GCOV += -fno-tree-loop-im
|
|
endif
|
|
export CFLAGS_GCOV
|
|
|
|
# The arch Makefiles can override CC_FLAGS_FTRACE. We may also append it later.
|
|
ifdef CONFIG_FUNCTION_TRACER
|
|
CC_FLAGS_FTRACE := -pg
|
|
endif
|
|
|
|
include $(srctree)/arch/$(SRCARCH)/Makefile
|
|
|
|
ifdef need-config
|
|
ifdef may-sync-config
|
|
# Read in dependencies to all Kconfig* files, make sure to run syncconfig if
|
|
# changes are detected. This should be included after arch/$(SRCARCH)/Makefile
|
|
# because some architectures define CROSS_COMPILE there.
|
|
include include/config/auto.conf.cmd
|
|
|
|
$(KCONFIG_CONFIG):
|
|
@echo >&2 '***'
|
|
@echo >&2 '*** Configuration file "$@" not found!'
|
|
@echo >&2 '***'
|
|
@echo >&2 '*** Please run some configurator (e.g. "make oldconfig" or'
|
|
@echo >&2 '*** "make menuconfig" or "make xconfig").'
|
|
@echo >&2 '***'
|
|
@/bin/false
|
|
|
|
# The actual configuration files used during the build are stored in
|
|
# include/generated/ and include/config/. Update them if .config is newer than
|
|
# include/config/auto.conf (which mirrors .config).
|
|
#
|
|
# This exploits the 'multi-target pattern rule' trick.
|
|
# The syncconfig should be executed only once to make all the targets.
|
|
# (Note: use the grouped target '&:' when we bump to GNU Make 4.3)
|
|
#
|
|
# Do not use $(call cmd,...) here. That would suppress prompts from syncconfig,
|
|
# so you cannot notice that Kconfig is waiting for the user input.
|
|
%/config/auto.conf %/config/auto.conf.cmd %/generated/autoconf.h %/generated/rustc_cfg: $(KCONFIG_CONFIG)
|
|
$(Q)$(kecho) " SYNC $@"
|
|
$(Q)$(MAKE) -f $(srctree)/Makefile syncconfig
|
|
else # !may-sync-config
|
|
# External modules and some install targets need include/generated/autoconf.h
|
|
# and include/config/auto.conf but do not care if they are up-to-date.
|
|
# Use auto.conf to trigger the test
|
|
PHONY += include/config/auto.conf
|
|
|
|
include/config/auto.conf:
|
|
@test -e include/generated/autoconf.h -a -e $@ || ( \
|
|
echo >&2; \
|
|
echo >&2 " ERROR: Kernel configuration is invalid."; \
|
|
echo >&2 " include/generated/autoconf.h or $@ are missing.";\
|
|
echo >&2 " Run 'make oldconfig && make prepare' on kernel src to fix it."; \
|
|
echo >&2 ; \
|
|
/bin/false)
|
|
|
|
endif # may-sync-config
|
|
endif # need-config
|
|
|
|
KBUILD_CFLAGS += -fno-delete-null-pointer-checks
|
|
KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,)
|
|
KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation)
|
|
KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow)
|
|
KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
|
|
|
|
ifdef CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE
|
|
KBUILD_CFLAGS += -O2
|
|
KBUILD_RUSTFLAGS += -Copt-level=2
|
|
else ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
|
|
KBUILD_CFLAGS += -Os
|
|
KBUILD_RUSTFLAGS += -Copt-level=s
|
|
endif
|
|
|
|
# Always set `debug-assertions` and `overflow-checks` because their default
|
|
# depends on `opt-level` and `debug-assertions`, respectively.
|
|
KBUILD_RUSTFLAGS += -Cdebug-assertions=$(if $(CONFIG_RUST_DEBUG_ASSERTIONS),y,n)
|
|
KBUILD_RUSTFLAGS += -Coverflow-checks=$(if $(CONFIG_RUST_OVERFLOW_CHECKS),y,n)
|
|
|
|
# Tell gcc to never replace conditional load with a non-conditional one
|
|
ifdef CONFIG_CC_IS_GCC
|
|
# gcc-10 renamed --param=allow-store-data-races=0 to
|
|
# -fno-allow-store-data-races.
|
|
KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0)
|
|
KBUILD_CFLAGS += $(call cc-option,-fno-allow-store-data-races)
|
|
endif
|
|
|
|
ifdef CONFIG_READABLE_ASM
|
|
# Disable optimizations that make assembler listings hard to read.
|
|
# reorder blocks reorders the control in the function
|
|
# ipa clone creates specialized cloned functions
|
|
# partial inlining inlines only parts of functions
|
|
KBUILD_CFLAGS += -fno-reorder-blocks -fno-ipa-cp-clone -fno-partial-inlining
|
|
endif
|
|
|
|
ifneq ($(CONFIG_FRAME_WARN),0)
|
|
KBUILD_CFLAGS += -Wframe-larger-than=$(CONFIG_FRAME_WARN)
|
|
endif
|
|
|
|
stackp-flags-y := -fno-stack-protector
|
|
stackp-flags-$(CONFIG_STACKPROTECTOR) := -fstack-protector
|
|
stackp-flags-$(CONFIG_STACKPROTECTOR_STRONG) := -fstack-protector-strong
|
|
|
|
KBUILD_CFLAGS += $(stackp-flags-y)
|
|
|
|
KBUILD_CFLAGS-$(CONFIG_WERROR) += -Werror
|
|
KBUILD_CFLAGS-$(CONFIG_CC_NO_ARRAY_BOUNDS) += -Wno-array-bounds
|
|
|
|
KBUILD_RUSTFLAGS-$(CONFIG_WERROR) += -Dwarnings
|
|
KBUILD_RUSTFLAGS += $(KBUILD_RUSTFLAGS-y)
|
|
|
|
ifdef CONFIG_CC_IS_CLANG
|
|
KBUILD_CPPFLAGS += -Qunused-arguments
|
|
# The kernel builds with '-std=gnu11' so use of GNU extensions is acceptable.
|
|
KBUILD_CFLAGS += -Wno-gnu
|
|
else
|
|
|
|
# gcc inanely warns about local variables called 'main'
|
|
KBUILD_CFLAGS += -Wno-main
|
|
endif
|
|
|
|
# These warnings generated too much noise in a regular build.
|
|
# Use make W=1 to enable them (see scripts/Makefile.extrawarn)
|
|
KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
|
|
KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable)
|
|
|
|
# These result in bogus false positives
|
|
KBUILD_CFLAGS += $(call cc-disable-warning, dangling-pointer)
|
|
|
|
ifdef CONFIG_FRAME_POINTER
|
|
KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
|
|
KBUILD_RUSTFLAGS += -Cforce-frame-pointers=y
|
|
else
|
|
# Some targets (ARM with Thumb2, for example), can't be built with frame
|
|
# pointers. For those, we don't have FUNCTION_TRACER automatically
|
|
# select FRAME_POINTER. However, FUNCTION_TRACER adds -pg, and this is
|
|
# incompatible with -fomit-frame-pointer with current GCC, so we don't use
|
|
# -fomit-frame-pointer with FUNCTION_TRACER.
|
|
# In the Rust target specification, "frame-pointer" is set explicitly
|
|
# to "may-omit".
|
|
ifndef CONFIG_FUNCTION_TRACER
|
|
KBUILD_CFLAGS += -fomit-frame-pointer
|
|
endif
|
|
endif
|
|
|
|
# Initialize all stack variables with a 0xAA pattern.
|
|
ifdef CONFIG_INIT_STACK_ALL_PATTERN
|
|
KBUILD_CFLAGS += -ftrivial-auto-var-init=pattern
|
|
endif
|
|
|
|
# Initialize all stack variables with a zero value.
|
|
ifdef CONFIG_INIT_STACK_ALL_ZERO
|
|
KBUILD_CFLAGS += -ftrivial-auto-var-init=zero
|
|
ifdef CONFIG_CC_HAS_AUTO_VAR_INIT_ZERO_ENABLER
|
|
# https://github.com/llvm/llvm-project/issues/44842
|
|
KBUILD_CFLAGS += -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang
|
|
endif
|
|
endif
|
|
|
|
# While VLAs have been removed, GCC produces unreachable stack probes
|
|
# for the randomize_kstack_offset feature. Disable it for all compilers.
|
|
KBUILD_CFLAGS += $(call cc-option, -fno-stack-clash-protection)
|
|
|
|
# Clear used registers at func exit (to reduce data lifetime and ROP gadgets).
|
|
ifdef CONFIG_ZERO_CALL_USED_REGS
|
|
KBUILD_CFLAGS += -fzero-call-used-regs=used-gpr
|
|
endif
|
|
|
|
ifdef CONFIG_FUNCTION_TRACER
|
|
ifdef CONFIG_FTRACE_MCOUNT_USE_CC
|
|
CC_FLAGS_FTRACE += -mrecord-mcount
|
|
ifdef CONFIG_HAVE_NOP_MCOUNT
|
|
ifeq ($(call cc-option-yn, -mnop-mcount),y)
|
|
CC_FLAGS_FTRACE += -mnop-mcount
|
|
CC_FLAGS_USING += -DCC_USING_NOP_MCOUNT
|
|
endif
|
|
endif
|
|
endif
|
|
ifdef CONFIG_FTRACE_MCOUNT_USE_OBJTOOL
|
|
CC_FLAGS_USING += -DCC_USING_NOP_MCOUNT
|
|
endif
|
|
ifdef CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT
|
|
ifdef CONFIG_HAVE_C_RECORDMCOUNT
|
|
BUILD_C_RECORDMCOUNT := y
|
|
export BUILD_C_RECORDMCOUNT
|
|
endif
|
|
endif
|
|
ifdef CONFIG_HAVE_FENTRY
|
|
# s390-linux-gnu-gcc did not support -mfentry until gcc-9.
|
|
ifeq ($(call cc-option-yn, -mfentry),y)
|
|
CC_FLAGS_FTRACE += -mfentry
|
|
CC_FLAGS_USING += -DCC_USING_FENTRY
|
|
endif
|
|
endif
|
|
export CC_FLAGS_FTRACE
|
|
KBUILD_CFLAGS += $(CC_FLAGS_FTRACE) $(CC_FLAGS_USING)
|
|
KBUILD_AFLAGS += $(CC_FLAGS_USING)
|
|
endif
|
|
|
|
# We trigger additional mismatches with less inlining
|
|
ifdef CONFIG_DEBUG_SECTION_MISMATCH
|
|
KBUILD_CFLAGS += -fno-inline-functions-called-once
|
|
endif
|
|
|
|
# `rustc`'s `-Zfunction-sections` applies to data too (as of 1.59.0).
|
|
ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
|
|
KBUILD_CFLAGS_KERNEL += -ffunction-sections -fdata-sections
|
|
KBUILD_RUSTFLAGS_KERNEL += -Zfunction-sections=y
|
|
LDFLAGS_vmlinux += --gc-sections
|
|
endif
|
|
|
|
ifdef CONFIG_SHADOW_CALL_STACK
|
|
CC_FLAGS_SCS := -fsanitize=shadow-call-stack
|
|
KBUILD_CFLAGS += $(CC_FLAGS_SCS)
|
|
export CC_FLAGS_SCS
|
|
endif
|
|
|
|
ifdef CONFIG_LTO_CLANG
|
|
ifdef CONFIG_LTO_CLANG_THIN
|
|
CC_FLAGS_LTO := -flto=thin -fsplit-lto-unit
|
|
KBUILD_LDFLAGS += --thinlto-cache-dir=$(extmod_prefix).thinlto-cache
|
|
else
|
|
CC_FLAGS_LTO := -flto
|
|
endif
|
|
|
|
ifeq ($(SRCARCH),x86)
|
|
# Workaround for compiler / linker bug
|
|
CC_FLAGS_LTO += -fvisibility=hidden
|
|
else
|
|
CC_FLAGS_LTO += -fvisibility=default
|
|
endif
|
|
|
|
# Limit inlining across translation units to reduce binary size
|
|
KBUILD_LDFLAGS += -mllvm -import-instr-limit=5
|
|
|
|
# Check for frame size exceeding threshold during prolog/epilog insertion
|
|
# when using lld < 13.0.0.
|
|
ifneq ($(CONFIG_FRAME_WARN),0)
|
|
ifeq ($(shell test $(CONFIG_LLD_VERSION) -lt 130000; echo $$?),0)
|
|
KBUILD_LDFLAGS += -plugin-opt=-warn-stack-size=$(CONFIG_FRAME_WARN)
|
|
endif
|
|
endif
|
|
endif
|
|
|
|
ifdef CONFIG_LTO
|
|
KBUILD_CFLAGS += -fno-lto $(CC_FLAGS_LTO)
|
|
KBUILD_AFLAGS += -fno-lto
|
|
export CC_FLAGS_LTO
|
|
endif
|
|
|
|
ifdef CONFIG_CFI_CLANG
|
|
CC_FLAGS_CFI := -fsanitize=kcfi
|
|
KBUILD_CFLAGS += $(CC_FLAGS_CFI)
|
|
export CC_FLAGS_CFI
|
|
endif
|
|
|
|
ifdef CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_64B
|
|
KBUILD_CFLAGS += -falign-functions=64
|
|
endif
|
|
|
|
# arch Makefile may override CC so keep this after arch Makefile is included
|
|
NOSTDINC_FLAGS += -nostdinc
|
|
|
|
# warn about C99 declaration after statement
|
|
KBUILD_CFLAGS += -Wdeclaration-after-statement
|
|
|
|
# Variable Length Arrays (VLAs) should not be used anywhere in the kernel
|
|
KBUILD_CFLAGS += -Wvla
|
|
|
|
# disable pointer signed / unsigned warnings in gcc 4.0
|
|
KBUILD_CFLAGS += -Wno-pointer-sign
|
|
|
|
# In order to make sure new function cast mismatches are not introduced
|
|
# in the kernel (to avoid tripping CFI checking), the kernel should be
|
|
# globally built with -Wcast-function-type.
|
|
KBUILD_CFLAGS += $(call cc-option, -Wcast-function-type)
|
|
|
|
# disable stringop warnings in gcc 8+
|
|
KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)
|
|
|
|
# We'll want to enable this eventually, but it's not going away for 5.7 at least
|
|
KBUILD_CFLAGS += $(call cc-disable-warning, stringop-overflow)
|
|
|
|
# Another good warning that we'll want to enable eventually
|
|
KBUILD_CFLAGS += $(call cc-disable-warning, restrict)
|
|
|
|
# Enabled with W=2, disabled by default as noisy
|
|
ifdef CONFIG_CC_IS_GCC
|
|
KBUILD_CFLAGS += -Wno-maybe-uninitialized
|
|
endif
|
|
|
|
# The allocators already balk at large sizes, so silence the compiler
|
|
# warnings for bounds checks involving those possible values. While
|
|
# -Wno-alloc-size-larger-than would normally be used here, earlier versions
|
|
# of gcc (<9.1) weirdly don't handle the option correctly when _other_
|
|
# warnings are produced (?!). Using -Walloc-size-larger-than=SIZE_MAX
|
|
# doesn't work (as it is documented to), silently resolving to "0" prior to
|
|
# version 9.1 (and producing an error more recently). Numeric values larger
|
|
# than PTRDIFF_MAX also don't work prior to version 9.1, which are silently
|
|
# ignored, continuing to default to PTRDIFF_MAX. So, left with no other
|
|
# choice, we must perform a versioned check to disable this warning.
|
|
# https://lore.kernel.org/lkml/20210824115859.187f272f@canb.auug.org.au
|
|
KBUILD_CFLAGS-$(call gcc-min-version, 90100) += -Wno-alloc-size-larger-than
|
|
KBUILD_CFLAGS += $(KBUILD_CFLAGS-y) $(CONFIG_CC_IMPLICIT_FALLTHROUGH)
|
|
|
|
# disable invalid "can't wrap" optimizations for signed / pointers
|
|
KBUILD_CFLAGS += -fno-strict-overflow
|
|
|
|
# Make sure -fstack-check isn't enabled (like gentoo apparently did)
|
|
KBUILD_CFLAGS += -fno-stack-check
|
|
|
|
# conserve stack if available
|
|
ifdef CONFIG_CC_IS_GCC
|
|
KBUILD_CFLAGS += -fconserve-stack
|
|
endif
|
|
|
|
# Prohibit date/time macros, which would make the build non-deterministic
|
|
KBUILD_CFLAGS += -Werror=date-time
|
|
|
|
# enforce correct pointer usage
|
|
KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types)
|
|
|
|
# Require designated initializers for all marked structures
|
|
KBUILD_CFLAGS += $(call cc-option,-Werror=designated-init)
|
|
|
|
# change __FILE__ to the relative path from the srctree
|
|
KBUILD_CPPFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
|
|
|
|
# include additional Makefiles when needed
|
|
include-y := scripts/Makefile.extrawarn
|
|
include-$(CONFIG_DEBUG_INFO) += scripts/Makefile.debug
|
|
include-$(CONFIG_KASAN) += scripts/Makefile.kasan
|
|
include-$(CONFIG_KCSAN) += scripts/Makefile.kcsan
|
|
include-$(CONFIG_KMSAN) += scripts/Makefile.kmsan
|
|
include-$(CONFIG_UBSAN) += scripts/Makefile.ubsan
|
|
include-$(CONFIG_KCOV) += scripts/Makefile.kcov
|
|
include-$(CONFIG_RANDSTRUCT) += scripts/Makefile.randstruct
|
|
include-$(CONFIG_GCC_PLUGINS) += scripts/Makefile.gcc-plugins
|
|
|
|
include $(addprefix $(srctree)/, $(include-y))
|
|
|
|
# scripts/Makefile.gcc-plugins is intentionally included last.
|
|
# Do not add $(call cc-option,...) below this line. When you build the kernel
|
|
# from the clean source tree, the GCC plugins do not exist at this point.
|
|
|
|
# Add user supplied CPPFLAGS, AFLAGS, CFLAGS and RUSTFLAGS as the last assignments
|
|
KBUILD_CPPFLAGS += $(KCPPFLAGS)
|
|
KBUILD_AFLAGS += $(KAFLAGS)
|
|
KBUILD_CFLAGS += $(KCFLAGS)
|
|
KBUILD_RUSTFLAGS += $(KRUSTFLAGS)
|
|
|
|
KBUILD_LDFLAGS_MODULE += --build-id=sha1
|
|
LDFLAGS_vmlinux += --build-id=sha1
|
|
|
|
KBUILD_LDFLAGS += -z noexecstack
|
|
ifeq ($(CONFIG_LD_IS_BFD),y)
|
|
KBUILD_LDFLAGS += $(call ld-option,--no-warn-rwx-segments)
|
|
endif
|
|
|
|
ifeq ($(CONFIG_STRIP_ASM_SYMS),y)
|
|
LDFLAGS_vmlinux += -X
|
|
endif
|
|
|
|
ifeq ($(CONFIG_RELR),y)
|
|
LDFLAGS_vmlinux += --pack-dyn-relocs=relr --use-android-relr-tags
|
|
endif
|
|
|
|
# We never want expected sections to be placed heuristically by the
|
|
# linker. All sections should be explicitly named in the linker script.
|
|
ifdef CONFIG_LD_ORPHAN_WARN
|
|
LDFLAGS_vmlinux += --orphan-handling=warn
|
|
endif
|
|
|
|
# Align the bit size of userspace programs with the kernel
|
|
KBUILD_USERCFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CFLAGS))
|
|
KBUILD_USERLDFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CFLAGS))
|
|
|
|
# make the checker run with the right architecture
|
|
CHECKFLAGS += --arch=$(ARCH)
|
|
|
|
# insure the checker run with the right endianness
|
|
CHECKFLAGS += $(if $(CONFIG_CPU_BIG_ENDIAN),-mbig-endian,-mlittle-endian)
|
|
|
|
# the checker needs the correct machine size
|
|
CHECKFLAGS += $(if $(CONFIG_64BIT),-m64,-m32)
|
|
|
|
# Default kernel image to build when no specific target is given.
|
|
# KBUILD_IMAGE may be overruled on the command line or
|
|
# set in the environment
|
|
# Also any assignments in arch/$(ARCH)/Makefile take precedence over
|
|
# this default value
|
|
export KBUILD_IMAGE ?= vmlinux
|
|
|
|
#
|
|
# INSTALL_PATH specifies where to place the updated kernel and system map
|
|
# images. Default is /boot, but you can set it to other values
|
|
export INSTALL_PATH ?= /boot
|
|
|
|
#
|
|
# INSTALL_DTBS_PATH specifies a prefix for relocations required by build roots.
|
|
# Like INSTALL_MOD_PATH, it isn't defined in the Makefile, but can be passed as
|
|
# an argument if needed. Otherwise it defaults to the kernel install path
|
|
#
|
|
export INSTALL_DTBS_PATH ?= $(INSTALL_PATH)/dtbs/$(KERNELRELEASE)
|
|
|
|
#
|
|
# INSTALL_MOD_PATH specifies a prefix to MODLIB for module directory
|
|
# relocations required by build roots. This is not defined in the
|
|
# makefile but the argument can be passed to make if needed.
|
|
#
|
|
|
|
MODLIB = $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE)
|
|
export MODLIB
|
|
|
|
PHONY += prepare0
|
|
|
|
export extmod_prefix = $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD)/)
|
|
export MODORDER := $(extmod_prefix)modules.order
|
|
export MODULES_NSDEPS := $(extmod_prefix)modules.nsdeps
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# Kernel headers
|
|
|
|
PHONY += headers
|
|
|
|
#Default location for installed headers
|
|
ifeq ($(KBUILD_EXTMOD),)
|
|
PHONY += archheaders archscripts
|
|
hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj
|
|
headers: $(version_h) scripts_unifdef uapi-asm-generic archheaders archscripts
|
|
else
|
|
hdr-prefix = $(KBUILD_EXTMOD)/
|
|
hdr-inst := -f $(srctree)/scripts/Makefile.headersinst dst=$(KBUILD_EXTMOD)/usr/include objtree=$(objtree)/$(KBUILD_EXTMOD) obj
|
|
endif
|
|
|
|
export INSTALL_HDR_PATH = $(objtree)/$(hdr-prefix)usr
|
|
|
|
quiet_cmd_headers_install = INSTALL $(INSTALL_HDR_PATH)/include
|
|
cmd_headers_install = \
|
|
mkdir -p $(INSTALL_HDR_PATH); \
|
|
rsync -mrl --include='*/' --include='*\.h' --exclude='*' \
|
|
$(hdr-prefix)usr/include $(INSTALL_HDR_PATH);
|
|
|
|
PHONY += headers_install
|
|
headers_install: headers
|
|
$(call cmd,headers_install)
|
|
|
|
headers:
|
|
ifeq ($(KBUILD_EXTMOD),)
|
|
$(if $(filter um, $(SRCARCH)), $(error Headers not exportable for UML))
|
|
endif
|
|
$(Q)$(MAKE) $(hdr-inst)=$(hdr-prefix)include/uapi
|
|
$(Q)$(MAKE) $(hdr-inst)=$(hdr-prefix)arch/$(SRCARCH)/include/uapi
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# Devicetree files
|
|
ifeq ($(KBUILD_EXTMOD),)
|
|
ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/boot/dts/),)
|
|
dtstree := arch/$(SRCARCH)/boot/dts
|
|
endif
|
|
|
|
else # KBUILD_EXTMOD
|
|
# Devicetree source should live in $(KBUILD_EXTMOD)/arch/$(SRCARCH)/boot/dts/
|
|
# But it may live inside some other folder relative to KBUILD_EXTMOD, as specified
|
|
# by KBUILD_EXTMOD_DTS
|
|
KBUILD_EXTMOD_DTS = arch/$(SRCARCH)/boot/dts
|
|
ifneq ($(wildcard $(KBUILD_EXTMOD)/$(KBUILD_EXTMOD_DTS)/ $(srctree)/$(KBUILD_EXTMOD)/$(KBUILD_EXTMOD_DTS)/),)
|
|
dtstree := $(KBUILD_EXTMOD)/$(KBUILD_EXTMOD_DTS)
|
|
endif
|
|
endif
|
|
|
|
ifneq ($(dtstree),)
|
|
|
|
%.dtb: include/config/kernel.release scripts_dtc
|
|
$(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
|
|
|
|
PHONY += dtbs dtbs_install dtbs_check
|
|
dtbs: include/config/kernel.release scripts_dtc
|
|
$(Q)$(MAKE) $(build)=$(dtstree)
|
|
|
|
ifneq ($(filter dtbs_check, $(MAKECMDGOALS)),)
|
|
export CHECK_DTBS=y
|
|
dtbs: dt_binding_check
|
|
endif
|
|
|
|
dtbs_check: dtbs
|
|
|
|
dtbs_install:
|
|
$(Q)$(MAKE) $(dtbinst)=$(dtstree) dst=$(INSTALL_DTBS_PATH)
|
|
|
|
ifdef CONFIG_OF_EARLY_FLATTREE
|
|
all: dtbs
|
|
endif
|
|
|
|
endif
|
|
|
|
PHONY += scripts_dtc
|
|
scripts_dtc: scripts_basic
|
|
$(Q)$(MAKE) $(build)=scripts/dtc
|
|
|
|
ifneq ($(filter dt_binding_check, $(MAKECMDGOALS)),)
|
|
export CHECK_DT_BINDING=y
|
|
endif
|
|
|
|
PHONY += dt_binding_check
|
|
dt_binding_check: scripts_dtc
|
|
$(Q)$(MAKE) $(build)=Documentation/devicetree/bindings
|
|
|
|
|
|
ifeq ($(KBUILD_EXTMOD),)
|
|
|
|
build-dir := .
|
|
clean-dirs := $(sort . Documentation \
|
|
$(patsubst %/,%,$(filter %/, $(core-) \
|
|
$(drivers-) $(libs-))))
|
|
|
|
export ARCH_CORE := $(core-y)
|
|
export ARCH_LIB := $(filter %/, $(libs-y))
|
|
export ARCH_DRIVERS := $(drivers-y) $(drivers-m)
|
|
# Externally visible symbols (used by link-vmlinux.sh)
|
|
|
|
KBUILD_VMLINUX_OBJS := ./built-in.a
|
|
ifdef CONFIG_MODULES
|
|
KBUILD_VMLINUX_OBJS += $(patsubst %/, %/lib.a, $(filter %/, $(libs-y)))
|
|
KBUILD_VMLINUX_LIBS := $(filter-out %/, $(libs-y))
|
|
else
|
|
KBUILD_VMLINUX_LIBS := $(patsubst %/,%/lib.a, $(libs-y))
|
|
endif
|
|
|
|
export KBUILD_VMLINUX_LIBS
|
|
export KBUILD_LDS := arch/$(SRCARCH)/kernel/vmlinux.lds
|
|
|
|
# Recurse until adjust_autoksyms.sh is satisfied
|
|
PHONY += autoksyms_recursive
|
|
ifdef CONFIG_TRIM_UNUSED_KSYMS
|
|
# For the kernel to actually contain only the needed exported symbols,
|
|
# we have to build modules as well to determine what those symbols are.
|
|
# (this can be evaluated only once include/config/auto.conf has been included)
|
|
KBUILD_MODULES := 1
|
|
|
|
autoksyms_recursive: $(build-dir) modules.order
|
|
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/adjust_autoksyms.sh \
|
|
"$(MAKE) -f $(srctree)/Makefile autoksyms_recursive"
|
|
endif
|
|
|
|
autoksyms_h := $(if $(CONFIG_TRIM_UNUSED_KSYMS), include/generated/autoksyms.h)
|
|
|
|
quiet_cmd_autoksyms_h = GEN $@
|
|
cmd_autoksyms_h = mkdir -p $(dir $@); \
|
|
$(CONFIG_SHELL) $(srctree)/scripts/gen_autoksyms.sh $@
|
|
|
|
$(autoksyms_h):
|
|
$(call cmd,autoksyms_h)
|
|
|
|
# '$(AR) mPi' needs 'T' to workaround the bug of llvm-ar <= 14
|
|
quiet_cmd_ar_vmlinux.a = AR $@
|
|
cmd_ar_vmlinux.a = \
|
|
rm -f $@; \
|
|
$(AR) cDPrST $@ $(KBUILD_VMLINUX_OBJS); \
|
|
$(AR) mPiT $$($(AR) t $@ | sed -n 1p) $@ $$($(AR) t $@ | grep -F -f $(srctree)/scripts/head-object-list.txt)
|
|
|
|
targets += vmlinux.a
|
|
vmlinux.a: $(KBUILD_VMLINUX_OBJS) scripts/head-object-list.txt autoksyms_recursive FORCE
|
|
$(call if_changed,ar_vmlinux.a)
|
|
|
|
ifndef KBUILD_MIXED_TREE
|
|
PHONY += vmlinux_o
|
|
vmlinux_o: vmlinux.a $(KBUILD_VMLINUX_LIBS)
|
|
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.vmlinux_o
|
|
|
|
vmlinux.o modules.builtin.modinfo modules.builtin: vmlinux_o
|
|
@:
|
|
|
|
PHONY += vmlinux
|
|
vmlinux: vmlinux.o $(KBUILD_LDS) modpost
|
|
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.vmlinux
|
|
endif
|
|
|
|
# The actual objects are generated when descending,
|
|
# make sure no implicit rule kicks in
|
|
$(sort $(KBUILD_LDS) $(KBUILD_VMLINUX_OBJS) $(KBUILD_VMLINUX_LIBS)): . ;
|
|
|
|
filechk_kernel.release = \
|
|
echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion \
|
|
$(srctree) $(BRANCH) $(KMI_GENERATION))"
|
|
|
|
# Store (new) KERNELRELEASE string in include/config/kernel.release
|
|
include/config/kernel.release: FORCE
|
|
$(call filechk,kernel.release)
|
|
|
|
# Additional helpers built in scripts/
|
|
# Carefully list dependencies so we do not try to build scripts twice
|
|
# in parallel
|
|
PHONY += scripts
|
|
scripts: scripts_basic scripts_dtc
|
|
$(Q)$(MAKE) $(build)=$(@)
|
|
|
|
# Things we need to do before we recursively start building the kernel
|
|
# or the modules are listed in "prepare".
|
|
# A multi level approach is used. prepareN is processed before prepareN-1.
|
|
# archprepare is used in arch Makefiles and when processed asm symlink,
|
|
# version.h and scripts_basic is processed / created.
|
|
|
|
PHONY += prepare archprepare
|
|
|
|
archprepare: outputmakefile archheaders archscripts scripts include/config/kernel.release \
|
|
asm-generic $(version_h) $(autoksyms_h) include/generated/utsrelease.h \
|
|
include/generated/compile.h include/generated/autoconf.h remove-stale-files
|
|
|
|
prepare0: archprepare
|
|
$(Q)$(MAKE) $(build)=scripts/mod
|
|
$(Q)$(MAKE) $(build)=. prepare
|
|
|
|
# All the preparing..
|
|
prepare: prepare0
|
|
ifdef CONFIG_RUST
|
|
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/rust_is_available.sh -v
|
|
$(Q)$(MAKE) $(build)=rust
|
|
endif
|
|
|
|
PHONY += remove-stale-files
|
|
remove-stale-files:
|
|
$(Q)$(srctree)/scripts/remove-stale-files
|
|
|
|
# Support for using generic headers in asm-generic
|
|
asm-generic := -f $(srctree)/scripts/Makefile.asm-generic obj
|
|
|
|
PHONY += asm-generic uapi-asm-generic
|
|
asm-generic: uapi-asm-generic
|
|
$(Q)$(MAKE) $(asm-generic)=arch/$(SRCARCH)/include/generated/asm \
|
|
generic=include/asm-generic
|
|
uapi-asm-generic:
|
|
$(Q)$(MAKE) $(asm-generic)=arch/$(SRCARCH)/include/generated/uapi/asm \
|
|
generic=include/uapi/asm-generic
|
|
|
|
# Generate some files
|
|
# ---------------------------------------------------------------------------
|
|
|
|
# KERNELRELEASE can change from a few different places, meaning version.h
|
|
# needs to be updated, so this check is forced on all builds
|
|
|
|
uts_len := 64
|
|
define filechk_utsrelease.h
|
|
if [ `echo -n "$(KERNELRELEASE)" | wc -c ` -gt $(uts_len) ]; then \
|
|
echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2; \
|
|
exit 1; \
|
|
fi; \
|
|
echo \#define UTS_RELEASE \"$(KERNELRELEASE)\"
|
|
endef
|
|
|
|
define filechk_version.h
|
|
if [ $(SUBLEVEL) -gt 255 ]; then \
|
|
echo \#define LINUX_VERSION_CODE $(shell \
|
|
expr $(VERSION) \* 65536 + $(PATCHLEVEL) \* 256 + 255); \
|
|
else \
|
|
echo \#define LINUX_VERSION_CODE $(shell \
|
|
expr $(VERSION) \* 65536 + $(PATCHLEVEL) \* 256 + $(SUBLEVEL)); \
|
|
fi; \
|
|
echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + \
|
|
((c) > 255 ? 255 : (c)))'; \
|
|
echo \#define LINUX_VERSION_MAJOR $(VERSION); \
|
|
echo \#define LINUX_VERSION_PATCHLEVEL $(PATCHLEVEL); \
|
|
echo \#define LINUX_VERSION_SUBLEVEL $(SUBLEVEL)
|
|
endef
|
|
|
|
$(version_h): PATCHLEVEL := $(or $(PATCHLEVEL), 0)
|
|
$(version_h): SUBLEVEL := $(or $(SUBLEVEL), 0)
|
|
$(version_h): FORCE
|
|
$(call filechk,version.h)
|
|
|
|
include/generated/utsrelease.h: include/config/kernel.release FORCE
|
|
$(call filechk,utsrelease.h)
|
|
|
|
filechk_compile.h = $(srctree)/scripts/mkcompile_h \
|
|
"$(UTS_MACHINE)" "$(CONFIG_CC_VERSION_TEXT)" "$(LD)"
|
|
|
|
include/generated/compile.h: FORCE
|
|
$(call filechk,compile.h)
|
|
|
|
PHONY += headerdep
|
|
headerdep:
|
|
$(Q)find $(srctree)/include/ -name '*.h' | xargs --max-args 1 \
|
|
$(srctree)/scripts/headerdep.pl -I$(srctree)/include
|
|
|
|
ifdef CONFIG_HEADERS_INSTALL
|
|
prepare: headers
|
|
endif
|
|
|
|
PHONY += scripts_unifdef
|
|
scripts_unifdef: scripts_basic
|
|
$(Q)$(MAKE) $(build)=scripts scripts/unifdef
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# Install
|
|
|
|
# Many distributions have the custom install script, /sbin/installkernel.
|
|
# If DKMS is installed, 'make install' will eventually recurse back
|
|
# to this Makefile to build and install external modules.
|
|
# Cancel sub_make_done so that options such as M=, V=, etc. are parsed.
|
|
|
|
quiet_cmd_install = INSTALL $(INSTALL_PATH)
|
|
cmd_install = unset sub_make_done; $(srctree)/scripts/install.sh
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# Tools
|
|
|
|
ifdef CONFIG_OBJTOOL
|
|
prepare: tools/objtool
|
|
endif
|
|
|
|
ifdef CONFIG_BPF
|
|
ifdef CONFIG_DEBUG_INFO_BTF
|
|
prepare: tools/bpf/resolve_btfids
|
|
endif
|
|
endif
|
|
|
|
PHONY += resolve_btfids_clean
|
|
|
|
resolve_btfids_O = $(abspath $(objtree))/tools/bpf/resolve_btfids
|
|
|
|
# tools/bpf/resolve_btfids directory might not exist
|
|
# in output directory, skip its clean in that case
|
|
resolve_btfids_clean:
|
|
ifneq ($(wildcard $(resolve_btfids_O)),)
|
|
$(Q)$(MAKE) -sC $(srctree)/tools/bpf/resolve_btfids O=$(resolve_btfids_O) clean
|
|
endif
|
|
|
|
# Clear a bunch of variables before executing the submake
|
|
ifeq ($(quiet),silent_)
|
|
tools_silent=s
|
|
endif
|
|
|
|
tools/: FORCE
|
|
$(Q)mkdir -p $(objtree)/tools
|
|
$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/
|
|
|
|
tools/%: FORCE
|
|
$(Q)mkdir -p $(objtree)/tools
|
|
$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/ $*
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# Kernel selftest
|
|
|
|
PHONY += kselftest
|
|
kselftest: headers
|
|
$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests run_tests
|
|
|
|
kselftest-%: headers FORCE
|
|
$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests $*
|
|
|
|
PHONY += kselftest-merge
|
|
kselftest-merge:
|
|
$(if $(wildcard $(objtree)/.config),, $(error No .config exists, config your kernel first!))
|
|
$(Q)find $(srctree)/tools/testing/selftests -name config | \
|
|
xargs $(srctree)/scripts/kconfig/merge_config.sh -m $(objtree)/.config
|
|
$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# Devicetree files
|
|
|
|
ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/boot/dts/),)
|
|
# ANDROID: allow this to be overridden by the build environment. This allows
|
|
# one to compile a device tree that is located out-of-tree.
|
|
dtstree ?= arch/$(SRCARCH)/boot/dts
|
|
endif
|
|
|
|
ifneq ($(dtstree),)
|
|
|
|
%.dtb: dtbs_prepare
|
|
$(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
|
|
|
|
%.dtbo: dtbs_prepare
|
|
$(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
|
|
|
|
PHONY += dtbs dtbs_prepare dtbs_install dtbs_check
|
|
dtbs: dtbs_prepare
|
|
$(Q)$(MAKE) $(build)=$(dtstree)
|
|
|
|
# include/config/kernel.release is actually needed when installing DTBs because
|
|
# INSTALL_DTBS_PATH contains $(KERNELRELEASE). However, we do not want to make
|
|
# dtbs_install depend on it as dtbs_install may run as root.
|
|
dtbs_prepare: include/config/kernel.release scripts_dtc
|
|
|
|
ifneq ($(filter dtbs_check, $(MAKECMDGOALS)),)
|
|
export CHECK_DTBS=y
|
|
dtbs: dt_binding_check
|
|
endif
|
|
|
|
dtbs_check: dtbs
|
|
|
|
dtbs_install:
|
|
$(Q)$(MAKE) $(dtbinst)=$(dtstree) dst=$(INSTALL_DTBS_PATH)
|
|
|
|
ifdef CONFIG_OF_EARLY_FLATTREE
|
|
all: dtbs
|
|
endif
|
|
|
|
endif
|
|
|
|
PHONY += scripts_dtc
|
|
scripts_dtc: scripts_basic
|
|
$(Q)$(MAKE) $(build)=scripts/dtc
|
|
|
|
ifneq ($(filter dt_binding_check, $(MAKECMDGOALS)),)
|
|
export CHECK_DT_BINDING=y
|
|
endif
|
|
|
|
PHONY += dt_binding_check
|
|
dt_binding_check: scripts_dtc
|
|
$(Q)$(MAKE) $(build)=Documentation/devicetree/bindings
|
|
|
|
PHONY += dt_compatible_check
|
|
dt_compatible_check: dt_binding_check
|
|
$(Q)$(MAKE) $(build)=Documentation/devicetree/bindings $@
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# Modules
|
|
|
|
ifdef CONFIG_MODULES
|
|
|
|
# By default, build modules as well
|
|
|
|
all: modules
|
|
|
|
# When we're building modules with modversions, we need to consider
|
|
# the built-in objects during the descend as well, in order to
|
|
# make sure the checksums are up to date before we record them.
|
|
ifdef CONFIG_MODVERSIONS
|
|
KBUILD_BUILTIN := 1
|
|
endif
|
|
|
|
# Build modules
|
|
#
|
|
|
|
# *.ko are usually independent of vmlinux, but CONFIG_DEBUG_INFOBTF_MODULES
|
|
# is an exception.
|
|
ifdef CONFIG_DEBUG_INFO_BTF_MODULES
|
|
modules: vmlinux
|
|
endif
|
|
|
|
modules: modules_prepare
|
|
|
|
# Target to prepare building external modules
|
|
modules_prepare: prepare
|
|
$(Q)$(MAKE) $(build)=scripts scripts/module.lds
|
|
|
|
export modules_sign_only :=
|
|
|
|
ifeq ($(CONFIG_MODULE_SIG),y)
|
|
PHONY += modules_sign
|
|
modules_sign: modules_install
|
|
@:
|
|
|
|
# modules_sign is a subset of modules_install.
|
|
# 'make modules_install modules_sign' is equivalent to 'make modules_install'.
|
|
ifeq ($(filter modules_install,$(MAKECMDGOALS)),)
|
|
modules_sign_only := y
|
|
endif
|
|
endif
|
|
|
|
modinst_pre :=
|
|
ifneq ($(filter modules_install,$(MAKECMDGOALS)),)
|
|
modinst_pre := __modinst_pre
|
|
endif
|
|
|
|
modules_install: $(modinst_pre)
|
|
PHONY += __modinst_pre
|
|
__modinst_pre:
|
|
@rm -rf $(MODLIB)/kernel
|
|
@rm -f $(MODLIB)/source
|
|
@mkdir -p $(MODLIB)/kernel
|
|
@ln -s $(abspath $(srctree)) $(MODLIB)/source
|
|
@if [ ! $(objtree) -ef $(MODLIB)/build ]; then \
|
|
rm -f $(MODLIB)/build ; \
|
|
ln -s $(CURDIR) $(MODLIB)/build ; \
|
|
fi
|
|
@sed 's:^:kernel/:' modules.order > $(MODLIB)/modules.order
|
|
@cp -f $(mixed-build-prefix)modules.builtin $(MODLIB)/
|
|
@cp -f $(or $(mixed-build-prefix),$(objtree)/)modules.builtin.modinfo $(MODLIB)/
|
|
|
|
endif # CONFIG_MODULES
|
|
|
|
###
|
|
# Cleaning is done on three levels.
|
|
# make clean Delete most generated files
|
|
# Leave enough to build external modules
|
|
# make mrproper Delete the current configuration, and all generated files
|
|
# make distclean Remove editor backup files, patch leftover files and the like
|
|
|
|
# Directories & files removed with 'make clean'
|
|
CLEAN_FILES += include/ksym vmlinux.symvers modules-only.symvers \
|
|
modules.builtin modules.builtin.modinfo modules.nsdeps \
|
|
compile_commands.json .thinlto-cache rust/test rust/doc \
|
|
.vmlinux.objs .vmlinux.export.c
|
|
|
|
# Directories & files removed with 'make mrproper'
|
|
MRPROPER_FILES += include/config include/generated \
|
|
arch/$(SRCARCH)/include/generated .objdiff \
|
|
debian snap tar-install \
|
|
.config .config.old .version \
|
|
Module.symvers \
|
|
certs/signing_key.pem \
|
|
certs/x509.genkey \
|
|
vmlinux-gdb.py \
|
|
*.spec \
|
|
rust/target.json rust/libmacros.so
|
|
|
|
# clean - Delete most, but leave enough to build external modules
|
|
#
|
|
clean: rm-files := $(CLEAN_FILES)
|
|
|
|
PHONY += archclean vmlinuxclean
|
|
|
|
vmlinuxclean:
|
|
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean
|
|
$(Q)$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) clean)
|
|
|
|
clean: archclean vmlinuxclean resolve_btfids_clean
|
|
|
|
# mrproper - Delete all generated files, including .config
|
|
#
|
|
mrproper: rm-files := $(wildcard $(MRPROPER_FILES))
|
|
mrproper-dirs := $(addprefix _mrproper_,scripts)
|
|
|
|
PHONY += $(mrproper-dirs) mrproper
|
|
$(mrproper-dirs):
|
|
$(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@)
|
|
|
|
mrproper: clean $(mrproper-dirs)
|
|
$(call cmd,rmfiles)
|
|
@find . $(RCS_FIND_IGNORE) \
|
|
\( -name '*.rmeta' \) \
|
|
-type f -print | xargs rm -f
|
|
|
|
# distclean
|
|
#
|
|
PHONY += distclean
|
|
|
|
distclean: mrproper
|
|
@find . $(RCS_FIND_IGNORE) \
|
|
\( -name '*.orig' -o -name '*.rej' -o -name '*~' \
|
|
-o -name '*.bak' -o -name '#*#' -o -name '*%' \
|
|
-o -name 'core' -o -name tags -o -name TAGS -o -name 'cscope*' \
|
|
-o -name GPATH -o -name GRTAGS -o -name GSYMS -o -name GTAGS \) \
|
|
-type f -print | xargs rm -f
|
|
|
|
|
|
# Packaging of the kernel to various formats
|
|
# ---------------------------------------------------------------------------
|
|
|
|
%src-pkg: FORCE
|
|
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.package $@
|
|
%pkg: include/config/kernel.release FORCE
|
|
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.package $@
|
|
|
|
# Brief documentation of the typical targets used
|
|
# ---------------------------------------------------------------------------
|
|
|
|
boards := $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*_defconfig)
|
|
boards := $(sort $(notdir $(boards)))
|
|
board-dirs := $(dir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*/*_defconfig))
|
|
board-dirs := $(sort $(notdir $(board-dirs:/=)))
|
|
|
|
PHONY += help
|
|
help:
|
|
@echo 'Cleaning targets:'
|
|
@echo ' clean - Remove most generated files but keep the config and'
|
|
@echo ' enough build support to build external modules'
|
|
@echo ' mrproper - Remove all generated files + config + various backup files'
|
|
@echo ' distclean - mrproper + remove editor backup and patch files'
|
|
@echo ''
|
|
@echo 'Configuration targets:'
|
|
@$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help
|
|
@echo ''
|
|
@echo 'Other generic targets:'
|
|
@echo ' all - Build all targets marked with [*]'
|
|
@echo '* vmlinux - Build the bare kernel'
|
|
@echo '* modules - Build all modules'
|
|
@echo ' modules_install - Install all modules to INSTALL_MOD_PATH (default: /)'
|
|
@echo ' dir/ - Build all files in dir and below'
|
|
@echo ' dir/file.[ois] - Build specified target only'
|
|
@echo ' dir/file.ll - Build the LLVM assembly file'
|
|
@echo ' (requires compiler support for LLVM assembly generation)'
|
|
@echo ' dir/file.lst - Build specified mixed source/assembly target only'
|
|
@echo ' (requires a recent binutils and recent build (System.map))'
|
|
@echo ' dir/file.ko - Build module including final link'
|
|
@echo ' modules_prepare - Set up for building external modules'
|
|
@echo ' tags/TAGS - Generate tags file for editors'
|
|
@echo ' cscope - Generate cscope index'
|
|
@echo ' gtags - Generate GNU GLOBAL index'
|
|
@echo ' kernelrelease - Output the release version string (use with make -s)'
|
|
@echo ' kernelversion - Output the version stored in Makefile (use with make -s)'
|
|
@echo ' image_name - Output the image name (use with make -s)'
|
|
@echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \
|
|
echo ' (default: $(INSTALL_HDR_PATH))'; \
|
|
echo ''
|
|
@echo 'Static analysers:'
|
|
@echo ' checkstack - Generate a list of stack hogs'
|
|
@echo ' versioncheck - Sanity check on version.h usage'
|
|
@echo ' includecheck - Check for duplicate included header files'
|
|
@echo ' export_report - List the usages of all exported symbols'
|
|
@echo ' headerdep - Detect inclusion cycles in headers'
|
|
@echo ' coccicheck - Check with Coccinelle'
|
|
@echo ' clang-analyzer - Check with clang static analyzer'
|
|
@echo ' clang-tidy - Check with clang-tidy'
|
|
@echo ''
|
|
@echo 'Tools:'
|
|
@echo ' nsdeps - Generate missing symbol namespace dependencies'
|
|
@echo ''
|
|
@echo 'Kernel selftest:'
|
|
@echo ' kselftest - Build and run kernel selftest'
|
|
@echo ' Build, install, and boot kernel before'
|
|
@echo ' running kselftest on it'
|
|
@echo ' Run as root for full coverage'
|
|
@echo ' kselftest-all - Build kernel selftest'
|
|
@echo ' kselftest-install - Build and install kernel selftest'
|
|
@echo ' kselftest-clean - Remove all generated kselftest files'
|
|
@echo ' kselftest-merge - Merge all the config dependencies of'
|
|
@echo ' kselftest to existing .config.'
|
|
@echo ''
|
|
@echo 'Rust targets:'
|
|
@echo ' rustavailable - Checks whether the Rust toolchain is'
|
|
@echo ' available and, if not, explains why.'
|
|
@echo ' rustfmt - Reformat all the Rust code in the kernel'
|
|
@echo ' rustfmtcheck - Checks if all the Rust code in the kernel'
|
|
@echo ' is formatted, printing a diff otherwise.'
|
|
@echo ' rustdoc - Generate Rust documentation'
|
|
@echo ' (requires kernel .config)'
|
|
@echo ' rusttest - Runs the Rust tests'
|
|
@echo ' (requires kernel .config; downloads external repos)'
|
|
@echo ' rust-analyzer - Generate rust-project.json rust-analyzer support file'
|
|
@echo ' (requires kernel .config)'
|
|
@echo ' dir/file.[os] - Build specified target only'
|
|
@echo ' dir/file.rsi - Build macro expanded source, similar to C preprocessing.'
|
|
@echo ' Run with RUSTFMT=n to skip reformatting if needed.'
|
|
@echo ' The output is not intended to be compilable.'
|
|
@echo ' dir/file.ll - Build the LLVM assembly file'
|
|
@echo ''
|
|
@$(if $(dtstree), \
|
|
echo 'Devicetree:'; \
|
|
echo '* dtbs - Build device tree blobs for enabled boards'; \
|
|
echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'; \
|
|
echo ' dt_binding_check - Validate device tree binding documents'; \
|
|
echo ' dtbs_check - Validate device tree source files';\
|
|
echo '')
|
|
|
|
@echo 'Userspace tools targets:'
|
|
@echo ' use "make tools/help"'
|
|
@echo ' or "cd tools; make help"'
|
|
@echo ''
|
|
@echo 'Kernel packaging:'
|
|
@$(MAKE) -f $(srctree)/scripts/Makefile.package help
|
|
@echo ''
|
|
@echo 'Documentation targets:'
|
|
@$(MAKE) -f $(srctree)/Documentation/Makefile dochelp
|
|
@echo ''
|
|
@echo 'Architecture specific targets ($(SRCARCH)):'
|
|
@$(or $(archhelp),\
|
|
echo ' No architecture specific help defined for $(SRCARCH)')
|
|
@echo ''
|
|
@$(if $(boards), \
|
|
$(foreach b, $(boards), \
|
|
printf " %-27s - Build for %s\\n" $(b) $(subst _defconfig,,$(b));) \
|
|
echo '')
|
|
@$(if $(board-dirs), \
|
|
$(foreach b, $(board-dirs), \
|
|
printf " %-16s - Show %s-specific targets\\n" help-$(b) $(b);) \
|
|
printf " %-16s - Show all of the above\\n" help-boards; \
|
|
echo '')
|
|
|
|
@echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
|
|
@echo ' make V=2 [targets] 2 => give reason for rebuild of target'
|
|
@echo ' make O=dir [targets] Locate all output files in "dir", including .config'
|
|
@echo ' make C=1 [targets] Check re-compiled c source with $$CHECK'
|
|
@echo ' (sparse by default)'
|
|
@echo ' make C=2 [targets] Force check of all c source with $$CHECK'
|
|
@echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
|
|
@echo ' make W=n [targets] Enable extra build checks, n=1,2,3 where'
|
|
@echo ' 1: warnings which may be relevant and do not occur too often'
|
|
@echo ' 2: warnings which occur quite often but may still be relevant'
|
|
@echo ' 3: more obscure warnings, can most likely be ignored'
|
|
@echo ' e: warnings are being treated as errors'
|
|
@echo ' Multiple levels can be combined with W=12 or W=123'
|
|
@echo ''
|
|
@echo 'Execute "make" or "make all" to build all targets marked with [*] '
|
|
@echo 'For further info see the ./README file'
|
|
|
|
|
|
help-board-dirs := $(addprefix help-,$(board-dirs))
|
|
|
|
help-boards: $(help-board-dirs)
|
|
|
|
boards-per-dir = $(sort $(notdir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/$*/*_defconfig)))
|
|
|
|
$(help-board-dirs): help-%:
|
|
@echo 'Architecture specific targets ($(SRCARCH) $*):'
|
|
@$(if $(boards-per-dir), \
|
|
$(foreach b, $(boards-per-dir), \
|
|
printf " %-24s - Build for %s\\n" $*/$(b) $(subst _defconfig,,$(b));) \
|
|
echo '')
|
|
|
|
|
|
# Documentation targets
|
|
# ---------------------------------------------------------------------------
|
|
DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \
|
|
linkcheckdocs dochelp refcheckdocs
|
|
PHONY += $(DOC_TARGETS)
|
|
$(DOC_TARGETS):
|
|
$(Q)$(MAKE) $(build)=Documentation $@
|
|
|
|
|
|
# Rust targets
|
|
# ---------------------------------------------------------------------------
|
|
|
|
# "Is Rust available?" target
|
|
PHONY += rustavailable
|
|
rustavailable:
|
|
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/rust_is_available.sh -v && echo "Rust is available!"
|
|
|
|
# Documentation target
|
|
#
|
|
# Using the singular to avoid running afoul of `no-dot-config-targets`.
|
|
PHONY += rustdoc
|
|
rustdoc: prepare
|
|
$(Q)$(MAKE) $(build)=rust $@
|
|
|
|
# Testing target
|
|
PHONY += rusttest
|
|
rusttest: prepare
|
|
$(Q)$(MAKE) $(build)=rust $@
|
|
|
|
# Formatting targets
|
|
PHONY += rustfmt rustfmtcheck
|
|
|
|
# We skip `rust/alloc` since we want to minimize the diff w.r.t. upstream.
|
|
#
|
|
# We match using absolute paths since `find` does not resolve them
|
|
# when matching, which is a problem when e.g. `srctree` is `..`.
|
|
# We `grep` afterwards in order to remove the directory entry itself.
|
|
rustfmt:
|
|
$(Q)find $(abs_srctree) -type f -name '*.rs' \
|
|
-o -path $(abs_srctree)/rust/alloc -prune \
|
|
-o -path $(abs_objtree)/rust/test -prune \
|
|
| grep -Fv $(abs_srctree)/rust/alloc \
|
|
| grep -Fv $(abs_objtree)/rust/test \
|
|
| grep -Fv generated \
|
|
| xargs $(RUSTFMT) $(rustfmt_flags)
|
|
|
|
rustfmtcheck: rustfmt_flags = --check
|
|
rustfmtcheck: rustfmt
|
|
|
|
# IDE support targets
|
|
PHONY += rust-analyzer
|
|
rust-analyzer:
|
|
$(Q)$(MAKE) $(build)=rust $@
|
|
|
|
# Misc
|
|
# ---------------------------------------------------------------------------
|
|
|
|
PHONY += scripts_gdb
|
|
scripts_gdb: prepare0
|
|
$(Q)$(MAKE) $(build)=scripts/gdb
|
|
$(Q)ln -fsn $(abspath $(srctree)/scripts/gdb/vmlinux-gdb.py)
|
|
|
|
ifdef CONFIG_GDB_SCRIPTS
|
|
all: scripts_gdb
|
|
endif
|
|
|
|
else # KBUILD_EXTMOD
|
|
|
|
###
|
|
# External module support.
|
|
# When building external modules the kernel used as basis is considered
|
|
# read-only, and no consistency checks are made and the make
|
|
# system is not used on the basis kernel. If updates are required
|
|
# in the basis kernel ordinary make commands (without M=...) must be used.
|
|
|
|
# We are always building only modules.
|
|
KBUILD_BUILTIN :=
|
|
KBUILD_MODULES := 1
|
|
|
|
build-dir := $(KBUILD_EXTMOD)
|
|
|
|
compile_commands.json: $(extmod_prefix)compile_commands.json
|
|
PHONY += compile_commands.json
|
|
|
|
clean-dirs := $(KBUILD_EXTMOD)
|
|
clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers $(KBUILD_EXTMOD)/modules.nsdeps \
|
|
$(KBUILD_EXTMOD)/compile_commands.json $(KBUILD_EXTMOD)/.thinlto-cache
|
|
|
|
PHONY += prepare
|
|
# now expand this into a simple variable to reduce the cost of shell evaluations
|
|
prepare: CC_VERSION_TEXT := $(CC_VERSION_TEXT)
|
|
prepare:
|
|
@if [ "$(CC_VERSION_TEXT)" != "$(CONFIG_CC_VERSION_TEXT)" ]; then \
|
|
echo >&2 "warning: the compiler differs from the one used to build the kernel"; \
|
|
echo >&2 " The kernel was built by: $(CONFIG_CC_VERSION_TEXT)"; \
|
|
echo >&2 " You are using: $(CC_VERSION_TEXT)"; \
|
|
fi
|
|
|
|
PHONY += help
|
|
help:
|
|
@echo ' Building external modules.'
|
|
@echo ' Syntax: make -C path/to/kernel/src M=$$PWD target'
|
|
@echo ''
|
|
@echo ' modules - default target, build the module(s)'
|
|
@echo ' modules_install - install the module'
|
|
@echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'
|
|
@echo ' (default: $(abspath $(INSTALL_HDR_PATH)))'
|
|
@echo ' clean - remove generated files in module directory only'
|
|
@echo ''
|
|
|
|
endif # KBUILD_EXTMOD
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# Modules
|
|
|
|
PHONY += modules modules_install modules_prepare
|
|
|
|
ifdef CONFIG_MODULES
|
|
|
|
$(MODORDER): $(build-dir)
|
|
@:
|
|
|
|
# KBUILD_MODPOST_NOFINAL can be set to skip the final link of modules.
|
|
# This is solely useful to speed up test compiles.
|
|
modules: modpost
|
|
ifneq ($(KBUILD_MODPOST_NOFINAL),1)
|
|
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modfinal
|
|
endif
|
|
|
|
PHONY += modules_check
|
|
modules_check: $(MODORDER)
|
|
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/modules-check.sh $<
|
|
|
|
quiet_cmd_depmod = DEPMOD $(MODLIB)
|
|
cmd_depmod = $(CONFIG_SHELL) $(srctree)/scripts/depmod.sh $(DEPMOD) \
|
|
$(KERNELRELEASE) $(mixed-build-prefix)
|
|
|
|
modules_install:
|
|
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst
|
|
$(call cmd,depmod)
|
|
|
|
else # CONFIG_MODULES
|
|
|
|
# Modules not configured
|
|
# ---------------------------------------------------------------------------
|
|
|
|
modules modules_install:
|
|
@echo >&2 '***'
|
|
@echo >&2 '*** The present kernel configuration has modules disabled.'
|
|
@echo >&2 '*** To use the module feature, please run "make menuconfig" etc.'
|
|
@echo >&2 '*** to enable CONFIG_MODULES.'
|
|
@echo >&2 '***'
|
|
@exit 1
|
|
|
|
KBUILD_MODULES :=
|
|
|
|
endif # CONFIG_MODULES
|
|
|
|
PHONY += modpost
|
|
modpost: $(if $(single-build),, $(if $(KBUILD_MIXED_TREE),,$(if $(KBUILD_BUILTIN), vmlinux.o))) \
|
|
$(if $(KBUILD_MODULES), modules_check)
|
|
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
|
|
|
|
# Single targets
|
|
# ---------------------------------------------------------------------------
|
|
# To build individual files in subdirectories, you can do like this:
|
|
#
|
|
# make foo/bar/baz.s
|
|
#
|
|
# The supported suffixes for single-target are listed in 'single-targets'
|
|
#
|
|
# To build only under specific subdirectories, you can do like this:
|
|
#
|
|
# make foo/bar/baz/
|
|
|
|
ifdef single-build
|
|
|
|
# .ko is special because modpost is needed
|
|
single-ko := $(sort $(filter %.ko, $(MAKECMDGOALS)))
|
|
single-no-ko := $(filter-out $(single-ko), $(MAKECMDGOALS)) \
|
|
$(foreach x, o mod, $(patsubst %.ko, %.$x, $(single-ko)))
|
|
|
|
$(single-ko): single_modules
|
|
@:
|
|
$(single-no-ko): $(build-dir)
|
|
@:
|
|
|
|
# Remove MODORDER when done because it is not the real one.
|
|
PHONY += single_modules
|
|
single_modules: $(single-no-ko) modules_prepare
|
|
$(Q){ $(foreach m, $(single-ko), echo $(extmod_prefix)$m;) } > $(MODORDER)
|
|
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
|
|
ifneq ($(KBUILD_MODPOST_NOFINAL),1)
|
|
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modfinal
|
|
endif
|
|
$(Q)rm -f $(MODORDER)
|
|
|
|
single-goals := $(addprefix $(build-dir)/, $(single-no-ko))
|
|
|
|
KBUILD_MODULES := 1
|
|
|
|
endif
|
|
|
|
# Preset locale variables to speed up the build process. Limit locale
|
|
# tweaks to this spot to avoid wrong language settings when running
|
|
# make menuconfig etc.
|
|
# Error messages still appears in the original language
|
|
PHONY += $(build-dir)
|
|
$(build-dir): prepare
|
|
$(Q)$(MAKE) $(build)=$@ $(if $(KBUILD_MIXED_TREE),,need-builtin=1) need-modorder=1 $(single-goals)
|
|
|
|
clean-dirs := $(addprefix _clean_, $(clean-dirs))
|
|
PHONY += $(clean-dirs) clean
|
|
$(clean-dirs):
|
|
$(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
|
|
|
|
clean: $(clean-dirs)
|
|
$(call cmd,rmfiles)
|
|
@find $(or $(KBUILD_EXTMOD), .) \
|
|
$(if $(filter-out arch/$(SRCARCH)/boot/dts, $(dtstree)), $(dtstree)) \
|
|
$(RCS_FIND_IGNORE) \
|
|
\( -name '*.[aios]' -o -name '*.rsi' -o -name '*.ko' -o -name '.*.cmd' \
|
|
-o -name '*.ko.*' \
|
|
-o -name '*.dtb' -o -name '*.dtbo' -o -name '*.dtb.S' -o -name '*.dt.yaml' \
|
|
-o -name '*.dwo' -o -name '*.lst' \
|
|
-o -name '*.su' -o -name '*.mod' -o -name '*.usyms' \
|
|
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
|
|
-o -name '*.lex.c' -o -name '*.tab.[ch]' \
|
|
-o -name '*.asn1.[ch]' \
|
|
-o -name '*.symtypes' -o -name 'modules.order' \
|
|
-o -name '.tmp_*' \
|
|
-o -name '*.c.[012]*.*' \
|
|
-o -name '*.ll' \
|
|
-o -name '*.gcno' \
|
|
-o -name '*.*.symversions' \) -type f -print | xargs rm -f
|
|
|
|
# Generate tags for editors
|
|
# ---------------------------------------------------------------------------
|
|
quiet_cmd_tags = GEN $@
|
|
cmd_tags = $(BASH) $(srctree)/scripts/tags.sh $@
|
|
|
|
tags TAGS cscope gtags: FORCE
|
|
$(call cmd,tags)
|
|
|
|
# Script to generate missing namespace dependencies
|
|
# ---------------------------------------------------------------------------
|
|
|
|
PHONY += nsdeps
|
|
nsdeps: export KBUILD_NSDEPS=1
|
|
nsdeps: modules
|
|
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/nsdeps
|
|
|
|
# Clang Tooling
|
|
# ---------------------------------------------------------------------------
|
|
|
|
quiet_cmd_gen_compile_commands = GEN $@
|
|
cmd_gen_compile_commands = $(PYTHON3) $< -a $(AR) -o $@ $(filter-out $<, $(real-prereqs))
|
|
|
|
$(extmod_prefix)compile_commands.json: scripts/clang-tools/gen_compile_commands.py \
|
|
$(if $(KBUILD_EXTMOD)$(KBUILD_MIXED_TREE),, vmlinux.a $(KBUILD_VMLINUX_LIBS)) \
|
|
$(if $(CONFIG_MODULES), $(MODORDER)) FORCE
|
|
$(call if_changed,gen_compile_commands)
|
|
|
|
targets += $(extmod_prefix)compile_commands.json
|
|
|
|
PHONY += clang-tidy clang-analyzer
|
|
|
|
ifdef CONFIG_CC_IS_CLANG
|
|
quiet_cmd_clang_tools = CHECK $<
|
|
cmd_clang_tools = $(PYTHON3) $(srctree)/scripts/clang-tools/run-clang-tools.py $@ $<
|
|
|
|
clang-tidy clang-analyzer: $(extmod_prefix)compile_commands.json
|
|
$(call cmd,clang_tools)
|
|
else
|
|
clang-tidy clang-analyzer:
|
|
@echo "$@ requires CC=clang" >&2
|
|
@false
|
|
endif
|
|
|
|
# Scripts to check various things for consistency
|
|
# ---------------------------------------------------------------------------
|
|
|
|
PHONY += includecheck versioncheck coccicheck export_report
|
|
|
|
includecheck:
|
|
find $(srctree)/* $(RCS_FIND_IGNORE) \
|
|
-name '*.[hcS]' -type f -print | sort \
|
|
| xargs $(PERL) -w $(srctree)/scripts/checkincludes.pl
|
|
|
|
versioncheck:
|
|
find $(srctree)/* $(RCS_FIND_IGNORE) \
|
|
-name '*.[hcS]' -type f -print | sort \
|
|
| xargs $(PERL) -w $(srctree)/scripts/checkversion.pl
|
|
|
|
coccicheck:
|
|
$(Q)$(BASH) $(srctree)/scripts/$@
|
|
|
|
export_report:
|
|
$(PERL) $(srctree)/scripts/export_report.pl
|
|
|
|
PHONY += checkstack kernelrelease kernelversion image_name
|
|
|
|
# UML needs a little special treatment here. It wants to use the host
|
|
# toolchain, so needs $(SUBARCH) passed to checkstack.pl. Everyone
|
|
# else wants $(ARCH), including people doing cross-builds, which means
|
|
# that $(SUBARCH) doesn't work here.
|
|
ifeq ($(ARCH), um)
|
|
CHECKSTACK_ARCH := $(SUBARCH)
|
|
else
|
|
CHECKSTACK_ARCH := $(ARCH)
|
|
endif
|
|
checkstack:
|
|
$(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
|
|
$(PERL) $(srctree)/scripts/checkstack.pl $(CHECKSTACK_ARCH)
|
|
|
|
kernelrelease:
|
|
@echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion \
|
|
$(srctree) $(BRANCH) $(KMI_GENERATION))"
|
|
|
|
kernelversion:
|
|
@echo $(KERNELVERSION)
|
|
|
|
image_name:
|
|
@echo $(KBUILD_IMAGE)
|
|
|
|
quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files)))
|
|
cmd_rmfiles = rm -rf $(rm-files)
|
|
|
|
# read saved command lines for existing targets
|
|
existing-targets := $(wildcard $(sort $(targets)))
|
|
|
|
-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)
|
|
|
|
endif # config-build
|
|
endif # mixed-build
|
|
endif # need-sub-make
|
|
|
|
PHONY += FORCE
|
|
FORCE:
|
|
|
|
# Declare the contents of the PHONY variable as phony. We keep that
|
|
# information in a variable so we can use it in if_changed and friends.
|
|
.PHONY: $(PHONY)
|