Lines Matching +full:cortex +full:- +full:a8
1 # SPDX-License-Identifier: GPL-2.0
129 The ARM series is a line of low-power-consumption RISC chip designs
131 handhelds such as the Compaq IPAQ. ARM-based PCs are no longer
132 manufactured, but legacy ARM-based PC hardware remains popular in
242 Patch phys-to-virt and virt-to-phys translation functions at
246 This can only be used with non-XIP MMU kernels where the base
292 bool "MMU-based Paged Memory Management Support"
295 Select if you want MMU-based virtualised addressing space
334 bool "ARMv7-M based platforms (Cortex-M0/M3/M4)"
347 bool "EBSA-110"
356 from Digital. It has limited hardware on-board, including an
361 bool "EP93xx-based"
389 bool "IOP32x-based"
402 bool "IXP4xx-based"
438 bool "PXA2xx/PXA3xx-based"
475 On the Acorn Risc-PC, Linux can support the internal IDE disk and
476 CD-ROM interface, serial and parallel port, and the floppy drive.
479 bool "SA1100-based"
578 bool "ARMv7 based platforms (Cortex-A, PJ4, Scorpion, Krait)"
607 # This is sorted alphabetically by mach-* pathname. However, plat-*
609 # plat- suffix) or along side the corresponding mach-* source.
611 source "arch/arm/mach-actions/Kconfig"
613 source "arch/arm/mach-alpine/Kconfig"
615 source "arch/arm/mach-artpec/Kconfig"
617 source "arch/arm/mach-asm9260/Kconfig"
619 source "arch/arm/mach-aspeed/Kconfig"
621 source "arch/arm/mach-at91/Kconfig"
623 source "arch/arm/mach-axxia/Kconfig"
625 source "arch/arm/mach-bcm/Kconfig"
627 source "arch/arm/mach-berlin/Kconfig"
629 source "arch/arm/mach-clps711x/Kconfig"
631 source "arch/arm/mach-cns3xxx/Kconfig"
633 source "arch/arm/mach-davinci/Kconfig"
635 source "arch/arm/mach-digicolor/Kconfig"
637 source "arch/arm/mach-dove/Kconfig"
639 source "arch/arm/mach-ep93xx/Kconfig"
641 source "arch/arm/mach-exynos/Kconfig"
643 source "arch/arm/mach-footbridge/Kconfig"
645 source "arch/arm/mach-gemini/Kconfig"
647 source "arch/arm/mach-highbank/Kconfig"
649 source "arch/arm/mach-hisi/Kconfig"
651 source "arch/arm/mach-imx/Kconfig"
653 source "arch/arm/mach-integrator/Kconfig"
655 source "arch/arm/mach-iop32x/Kconfig"
657 source "arch/arm/mach-ixp4xx/Kconfig"
659 source "arch/arm/mach-keystone/Kconfig"
661 source "arch/arm/mach-lpc32xx/Kconfig"
663 source "arch/arm/mach-mediatek/Kconfig"
665 source "arch/arm/mach-meson/Kconfig"
667 source "arch/arm/mach-milbeaut/Kconfig"
669 source "arch/arm/mach-mmp/Kconfig"
671 source "arch/arm/mach-moxart/Kconfig"
673 source "arch/arm/mach-mstar/Kconfig"
675 source "arch/arm/mach-mv78xx0/Kconfig"
677 source "arch/arm/mach-mvebu/Kconfig"
679 source "arch/arm/mach-mxs/Kconfig"
681 source "arch/arm/mach-nomadik/Kconfig"
683 source "arch/arm/mach-npcm/Kconfig"
685 source "arch/arm/mach-nspire/Kconfig"
687 source "arch/arm/plat-omap/Kconfig"
689 source "arch/arm/mach-omap1/Kconfig"
691 source "arch/arm/mach-omap2/Kconfig"
693 source "arch/arm/mach-orion5x/Kconfig"
695 source "arch/arm/mach-oxnas/Kconfig"
697 source "arch/arm/mach-picoxcell/Kconfig"
699 source "arch/arm/mach-prima2/Kconfig"
701 source "arch/arm/mach-pxa/Kconfig"
702 source "arch/arm/plat-pxa/Kconfig"
704 source "arch/arm/mach-qcom/Kconfig"
706 source "arch/arm/mach-rda/Kconfig"
708 source "arch/arm/mach-realtek/Kconfig"
710 source "arch/arm/mach-realview/Kconfig"
712 source "arch/arm/mach-rockchip/Kconfig"
714 source "arch/arm/mach-s3c/Kconfig"
716 source "arch/arm/mach-s5pv210/Kconfig"
718 source "arch/arm/mach-sa1100/Kconfig"
720 source "arch/arm/mach-shmobile/Kconfig"
722 source "arch/arm/mach-socfpga/Kconfig"
724 source "arch/arm/mach-spear/Kconfig"
726 source "arch/arm/mach-sti/Kconfig"
728 source "arch/arm/mach-stm32/Kconfig"
730 source "arch/arm/mach-sunxi/Kconfig"
732 source "arch/arm/mach-tango/Kconfig"
734 source "arch/arm/mach-tegra/Kconfig"
736 source "arch/arm/mach-u300/Kconfig"
738 source "arch/arm/mach-uniphier/Kconfig"
740 source "arch/arm/mach-ux500/Kconfig"
742 source "arch/arm/mach-versatile/Kconfig"
744 source "arch/arm/mach-vexpress/Kconfig"
746 source "arch/arm/mach-vt8500/Kconfig"
748 source "arch/arm/mach-zx/Kconfig"
750 source "arch/arm/mach-zynq/Kconfig"
752 # ARMv7-M architecture
769 Support for NXP's LPC18xx Cortex-M3 and LPC43xx Cortex-M4
778 Support for Cortex-M Prototyping System (or V2M-MPS2) which comes
779 with a range of available cores like Cortex-M3/M4/M7.
820 source "arch/arm/Kconfig-nommu"
838 bool "ARM errata: FSR write bit incorrect on a SWP to read-only memory"
841 Executing a SWP instruction to read-only memory does not set bit 11
859 This option enables the workaround for the 430973 Cortex-A8
862 same virtual address, whether due to self-modifying code or virtual
863 to physical address re-mapping, Cortex-A8 does not recover from the
864 stale interworking branch prediction. This results in Cortex-A8
869 available in non-secure mode.
876 This option enables the workaround for the 458693 Cortex-A8 (r2p0)
883 register may not be available in non-secure mode.
890 This option enables the workaround for the 460075 Cortex-A8 (r2p0)
894 workaround disables the write-allocate mode for the L2 cache via the
896 may not be available in non-secure mode.
903 This option enables the workaround for the 742230 Cortex-A9
907 the diagnostic register of the Cortex-A9 which causes the DMB
916 This option enables the workaround for the 742231 Cortex-A9
918 Cortex-A9 MPCore micro-architecture, two CPUs working in SMP mode,
923 register of the Cortex-A9 which reduces the linefill issuing
931 This option enables the workaround for the 643719 Cortex-A9 (prior to
941 This option enables the workaround for the 720789 Cortex-A9 (prior to
954 This option enables the workaround for the 743622 Cortex-A9
956 optimisation in the Cortex-A9 Store Buffer may lead to data
958 register of the Cortex-A9 which disables the Store Buffer
968 This option enables the workaround for the 751472 Cortex-A9 (prior
978 This option enables the workaround for the 754322 Cortex-A9 (r2p*,
981 can populate the micro-TLB with a stale entry which may be hit with
989 This option enables the workaround for the 754327 Cortex-A9 (prior to
997 bool "ARM errata: Possible cache data corruption with hit-under-miss enabled"
1002 hit-under-miss enabled). It sets the undocumented bit 31 in
1004 register, thus disabling hit-under-miss without putting the
1013 affecting Cortex-A9 MPCore with two or more processors (all
1026 This option enables the workaround for the 775420 Cortex-A9 (r2p2,
1033 bool "ARM errata: TLBI/DSB failure on Cortex-A15"
1036 On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not
1046 This option enables the workaround for the 773022 Cortex-A15
1056 - Cortex-A12 818325: Execution of an UNPREDICTABLE STR or STM
1058 - Cortex-A12 852422: Execution of a sequence of instructions might
1060 any Cortex-A12 cores yet.
1069 This option enables the workaround for the 821420 Cortex-A12
1073 deadlock when the VMOV instructions are issued out-of-order.
1079 This option enables the workaround for the 825619 Cortex-A12
1082 and Device/Strongly-Ordered loads and stores might cause deadlock
1088 This option enables the workaround for the 857271 Cortex-A12
1096 This option enables the workaround for the 852421 Cortex-A17
1106 - Cortex-A17 852423: Execution of a sequence of instructions might
1108 any Cortex-A17 cores yet.
1109 This is identical to Cortex-A12 erratum 852422. It is a separate
1117 This option enables the workaround for the 857272 Cortex-A17 erratum.
1119 This is identical to Cortex-A12 erratum 857271. It is a separate
1162 This ERRATA only affected the Cortex-A7 and present in r0p2, r0p3,
1172 This option should be selected by machines which have an SMP-
1175 The only effect of this option is to make the SMP-related
1179 bool "Symmetric Multi-Processing"
1190 If you say N here, the kernel will run on uni- and multiprocessor
1196 See also <file:Documentation/x86/i386/IO-APIC.rst>,
1197 <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO available at
1198 <http://tldp.org/HOWTO/SMP-HOWTO.html>.
1207 SMP kernels contain instructions which fail on non-SMP processors.
1224 bool "Multi-core scheduler support"
1227 Multi-core scheduler support improves the CPU scheduler's decision
1228 making when dealing with multi-core CPU chips at a cost of slightly
1257 bool "Multi-Cluster Power Management"
1261 for (multi-)cluster based systems, such as big.LITTLE based
1328 int "Maximum number of CPUs (2-32)"
1334 bool "Support for hot-pluggable CPUs"
1347 implementing the PSCI specification for CPU-centric power
1417 bool "Compile the kernel in Thumb-2 mode" if !CPU_THUMBONLY
1423 Thumb-2 mode.
1517 bool "Allocate 2nd-level pagetables from highmem" if EXPERT
1525 user-space 2nd level page tables to reside in high memory.
1528 bool "Enable use of CPU domains to implement privileged no-access"
1534 use-after-free bugs becoming an exploitable privilege escalation
1538 CPUs with low-vector mappings use a best-efforts implementation.
1571 Disabling this is usually safe for small single-platform
1598 address divisible by 4. On 32-bit ARM processors, these non-aligned
1601 correct operation of some network protocols. With an IP-only
1610 cores where a 8-word STM instruction give significantly higher
1617 However, if the CPU data cache is using a write-allocate mode,
1705 The physical address at which the ROM-able zImage is to be
1707 ROM-able zImage formats normally set this to a suitable
1717 for the ROM-able zImage which must be available while the
1720 Platforms which normally make use of ROM-able zImage formats
1772 Uses the command-line options passed by the boot loader instead of
1779 The command-line arguments provided by the boot loader will be
1790 architectures, you should supply some command-line options at build
1802 Uses the command-line options passed by the boot loader. If
1809 The command-line arguments provided by the boot loader will be
1818 command-line options your boot loader passes to the kernel.
1822 bool "Kernel Execute-In-Place from ROM"
1825 Execute-In-Place allows the kernel to run from non-volatile storage
1828 to RAM. Read-write sections, such as the data section and stack,
1890 loaded in the main kernel with kexec-tools into a specially
1895 For more details see Documentation/admin-guide/kdump/kdump.rst
1902 will be determined at run-time by masking the current IP with
1919 by UEFI firmware (such as non-volatile variables, realtime
1934 continue to boot on existing non-UEFI platforms.
1940 to be enabled much earlier than we do on ARM, which is non-trivial.
1963 your machine has an FPA or floating point co-processor podule.
1972 Say Y to include 80-bit support in the kernel floating-point
1973 emulator. Otherwise, only 32 and 64-bit support is compiled in.
1974 Note that gcc does not generate 80-bit operations by default,
1987 It is very simple, and approximately 3-6 times faster than NWFPE.
1995 bool "VFP-format floating point maths"
2001 Please see <file:Documentation/arm/vfp/release-notes.rst> for