Lines Matching +full:use +full:- +full:guard +full:- +full:pages
1 # SPDX-License-Identifier: GPL-2.0
5 def_bool PPC64 && $(cc-option, -mabi=elfv2)
8 def_bool PPC64 && $(cc-option, -mcpu=power10 -mprefixed)
11 # Clang has a bug (https://github.com/llvm/llvm-project/issues/62372)
12 # where pcrel code is not generated if -msoft-float, -mno-altivec, or
13 # -mno-vsx options are also given. Without these options, fp/vec
16 def_bool PPC64 && CC_IS_GCC && $(cc-option, -mcpu=power10 -mpcrel)
35 # On Book3S 64, the default virtual address space for 64-bit processes
38 # between bottom-up and top-down allocations for applications that
41 default 29 if PPC_BOOK3S_64 && PPC_64K_PAGES # 29 = 45 (32T) - 16 (64K)
42 default 33 if PPC_BOOK3S_64 # 33 = 45 (32T) - 12 (4K)
44 # On all other 64-bit platforms (currently only Book3E), the virtual
47 default 32 if 64BIT # 32 = 44 (16T) - 12 (4K)
49 # For 32-bit, use the compat values, as they're the same.
54 default 14 if 64BIT && PPC_64K_PAGES # 14 = 30 (1GB) - 16 (64K)
55 default 18 if 64BIT # 18 = 30 (1GB) - 12 (4K)
57 # For 32-bit, use the compat values, as they're the same.
61 # Total virtual address space for 32-bit processes is 2^31 (2GB).
63 default 11 if PPC_256K_PAGES # 11 = 29 (512MB) - 18 (256K)
64 default 13 if PPC_64K_PAGES # 13 = 29 (512MB) - 16 (64K)
65 default 15 if PPC_16K_PAGES # 15 = 29 (512MB) - 14 (16K)
66 default 17 # 17 = 29 (512MB) - 12 (4K)
69 # Total virtual address space for 32-bit processes is 2^31 (2GB).
71 default 5 if PPC_256K_PAGES # 5 = 23 (8MB) - 18 (256K)
72 default 7 if PPC_64K_PAGES # 7 = 23 (8MB) - 16 (64K)
73 default 9 if PPC_16K_PAGES # 9 = 23 (8MB) - 14 (16K)
74 default 11 # 11 = 23 (8MB) - 12 (4K)
84 drivers will fail to load or worse - handle with care.
276 …select HAVE_STACKPROTECTOR if PPC32 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-…
277 …select HAVE_STACKPROTECTOR if PPC64 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-…
413 bool "Use pci_to_OF_bus_map (deprecated)"
419 the "pci-OF-bus-map" property to be created in the device tree.
496 a floating-point unit and therefore do not implement the
497 floating-point instructions in the PowerPC instruction set. If you
498 say Y here, the kernel will include code to emulate a floating-point
499 unit, which will allow programs that use floating-point
533 Support user-mode Transactional Memory on POWERPC.
560 …def_bool $(success,$(srctree)/arch/powerpc/tools/gcc-check-mprofile-kernel.sh $(CC) -mlittle-endia…
561 …def_bool $(success,$(srctree)/arch/powerpc/tools/gcc-check-mprofile-kernel.sh $(CC) -mbig-endian) …
565 depends on $(cc-option,-fpatchable-function-entry=2)
567 …ef_bool $(success,$(srctree)/arch/powerpc/tools/gcc-check-fpatchable-function-entry.sh $(CC) -mlit…
568 …def_bool $(success,$(srctree)/arch/powerpc/tools/gcc-check-fpatchable-function-entry.sh $(CC) -mbi…
575 Say Y here to be able to disable and re-enable individual
594 Say Y here to use queued spinlocks which give better scalability and
626 prompt "Build big-endian kernel using ELF ABI V2" if LD_IS_BFD && EXPERT
631 This builds the kernel image using the "Power Architecture 64-Bit ELF
636 The V2 ABI is standard for 64-bit little-endian, but for big-endian
648 DYNAMIC_MEMSTART and hence overrides it. For ppc64, we should use
649 16k-aligned base address. The kernel is linked as a
650 position-independent executable (PIE) and contains dynamic relocations
653 One use is for the kexec on panic case where the recovery kernel
661 load address of the kernel (eg. u-boot/mkimage).
679 loaded at, which tends to be non-zero and therefore test the
691 bool "Firmware-assisted dump"
697 assistance from firmware. This approach does not use kexec,
699 while preserving memory contents. Firmware-assisted dump
707 bool "Preserve Firmware-assisted dump"
739 Enable NUMA (Non-Uniform Memory Access) support.
800 If you configure a 64 bit kernel for 64k pages but the
802 them with 4k pages, loading them on demand, but with the
823 bool "256k page size (Requires non-standard binutils settings)"
829 compiled with '-zmax-page-size' set to 256K (the default is 64K) using
899 On 8xx, large pages (512kb or 8M) are used to map kernel linear
900 memory. Aligning to 8M reduces TLB misses as only 8M pages are used
902 8M pages will be pinned.
921 defines the maximal power of two of number of pages that can be
926 The page size is not necessarily 4KB. For example, on 64-bit
927 systems, 64KB pages can be enabled via CONFIG_PPC_64K_PAGES. Keep
980 some command-line options at build time by entering them here. In
988 bool "Use bootloader kernel arguments if available"
990 Uses the command-line options passed by the boot loader. If
997 The command-line arguments provided by the boot loader will be
1001 bool "Always use the default kernel command string"
1003 Always use the default kernel command string, even if the boot
1006 command-line options your boot loader passes to the kernel.
1038 page-based protections, but without requiring modification of the
1041 For details, see Documentation/core-api/protection-keys.rst
1078 bool "Support for ISA-bus hardware"
1124 It also enables support for two different idle states (idle-wait
1125 and idle-doze).
1141 Freescale General-purpose Timers support
1189 bool "Set number of CAMs to use to map low memory"
1202 int "Number of CAMs to use to map low memory" if LOWMEM_CAM_NUM_BOOL
1219 DYNAMIC_MEMSTART is an easy way of implementing pseudo-RELOCATABLE