1 source "arch/powerpc/platforms/Kconfig.cputype"
20 config ARCH_PHYS_ADDR_T_64BIT
21 def_bool PPC64 || PHYS_64BIT
23 config ARCH_DMA_ADDR_T_64BIT
24 def_bool ARCH_PHYS_ADDR_T_64BIT
30 config HAVE_SETUP_PER_CPU_AREA
33 config NEED_PER_CPU_EMBED_FIRST_CHUNK
37 int "Number of virtual interrupt numbers"
41 This defines the number of virtual interrupt numbers the kernel
42 can manage. Virtual interrupt numbers are what you see in
43 /proc/interrupts. If you configure your system to have too few,
44 drivers will fail to load or worse - handle with care.
46 config STACKTRACE_SUPPORT
50 config HAVE_LATENCYTOP_SUPPORT
53 config TRACE_IRQFLAGS_SUPPORT
57 config LOCKDEP_SUPPORT
61 config RWSEM_GENERIC_SPINLOCK
64 config RWSEM_XCHGADD_ALGORITHM
68 config GENERIC_LOCKBREAK
71 depends on SMP && PREEMPT
73 config ARCH_HAS_ILOG2_U32
77 config ARCH_HAS_ILOG2_U64
81 config GENERIC_HWEIGHT
88 Generic GPIO API support
90 config ARCH_NO_VIRT_TO_BUS
97 select OF_EARLY_FLATTREE
98 select HAVE_FTRACE_MCOUNT_RECORD
99 select HAVE_DYNAMIC_FTRACE
100 select HAVE_FUNCTION_TRACER
101 select HAVE_FUNCTION_GRAPH_TRACER
102 select ARCH_WANT_OPTIONAL_GPIOLIB
104 select HAVE_IOREMAP_PROT
105 select HAVE_EFFICIENT_UNALIGNED_ACCESS
107 select HAVE_ARCH_KGDB
108 select HAVE_KRETPROBES
109 select HAVE_ARCH_TRACEHOOK
111 select HAVE_MEMBLOCK_NODE_MAP
112 select HAVE_DMA_ATTRS
113 select HAVE_DMA_API_DEBUG
114 select USE_GENERIC_SMP_HELPERS if SMP
116 select HAVE_SYSCALL_WRAPPERS if PPC64
117 select GENERIC_ATOMIC64 if PPC32
119 select HAVE_PERF_EVENTS
120 select HAVE_REGS_AND_STACK_ACCESS_API
121 select HAVE_HW_BREAKPOINT if PERF_EVENTS && PPC_BOOK3S_64
122 select HAVE_GENERIC_HARDIRQS
126 select GENERIC_IRQ_SHOW
127 select GENERIC_IRQ_SHOW_LEVEL
128 select IRQ_FORCED_THREADING
129 select HAVE_RCU_TABLE_FREE if SMP
130 select HAVE_SYSCALL_TRACEPOINTS
131 select HAVE_BPF_JIT if PPC64
132 select HAVE_ARCH_JUMP_LABEL
133 select ARCH_HAVE_NMI_SAFE_CMPXCHG
134 select GENERIC_SMP_IDLE_THREAD
135 select GENERIC_CMOS_UPDATE
136 select GENERIC_TIME_VSYSCALL
137 select GENERIC_CLOCKEVENTS
146 select COMPAT_BINFMT_ELF
147 select ARCH_WANT_OLD_COMPAT_IPC
149 config SYSVIPC_COMPAT
151 depends on COMPAT && SYSVIPC
154 # All PPC32s use generic nvram driver through ppc_md
159 config SCHED_OMIT_FRAME_POINTER
163 config ARCH_MAY_HAVE_PC_FDC
165 default !PPC_PSERIES || PCI
170 config PPC_UDBG_16550
174 config GENERIC_TBSYNC
176 default y if PPC32 && SMP
188 config SYS_SUPPORTS_APM_EMULATION
189 default y if PMAC_APM_EMU
195 Used to allow a board to specify it wants an ePAPR compliant wrapper.
198 config DEFAULT_UIMAGE
201 Used to allow a board to specify it wants a uImage built by default
207 config ARCH_HIBERNATION_POSSIBLE
211 config ARCH_SUSPEND_POSSIBLE
213 depends on ADB_PMU || PPC_EFIKA || PPC_LITE5200 || PPC_83xx || \
214 (PPC_85xx && !SMP) || PPC_86xx || PPC_PSERIES || 44x || 40x
216 config PPC_DCR_NATIVE
226 depends on PPC_DCR_NATIVE || PPC_DCR_MMIO
229 config PPC_OF_PLATFORM_PCI
232 depends on PPC64 # not supported on 32 bits yet
235 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
238 config PPC_ADV_DEBUG_REGS
240 depends on 40x || BOOKE
243 config PPC_ADV_DEBUG_IACS
245 depends on PPC_ADV_DEBUG_REGS
249 config PPC_ADV_DEBUG_DACS
251 depends on PPC_ADV_DEBUG_REGS
254 config PPC_ADV_DEBUG_DVCS
256 depends on PPC_ADV_DEBUG_REGS
260 config PPC_ADV_DEBUG_DAC_RANGE
262 depends on PPC_ADV_DEBUG_REGS && 44x
265 source "init/Kconfig"
267 source "kernel/Kconfig.freezer"
269 source "arch/powerpc/sysdev/Kconfig"
270 source "arch/powerpc/platforms/Kconfig"
272 menu "Kernel options"
275 bool "High memory support"
278 source kernel/Kconfig.hz
279 source kernel/Kconfig.preempt
280 source "fs/Kconfig.binfmt"
282 config HUGETLB_PAGE_SIZE_VARIABLE
284 depends on HUGETLB_PAGE
287 config MATH_EMULATION
288 bool "Math emulation"
289 depends on 4xx || 8xx || E200 || PPC_MPC832x || E500
291 Some PowerPC chips designed for embedded applications do not have
292 a floating-point unit and therefore do not implement the
293 floating-point instructions in the PowerPC instruction set. If you
294 say Y here, the kernel will include code to emulate a floating-point
295 unit, which will allow programs that use floating-point
298 config 8XX_MINIMAL_FPEMU
299 bool "Minimal math emulation for 8xx"
300 depends on 8xx && !MATH_EMULATION
302 Older arch/ppc kernels still emulated a few floating point
303 instructions such as load and store, even when full math
304 emulation is disabled. Say "Y" here if you want to preserve
307 It is recommended that you build a soft-float userspace instead.
313 bool "SWIOTLB support"
317 Support for IO bounce buffering for systems without an IOMMU.
318 This allows us to DMA to the full physical address space on
319 platforms where the size of a physical address is larger
320 than the bus address. Not all platforms support this.
323 bool "Support for enabling/disabling CPUs"
324 depends on SMP && HOTPLUG && EXPERIMENTAL && (PPC_PSERIES || PPC_PMAC || PPC_POWERNV)
326 Say Y here to be able to disable and re-enable individual
327 CPUs at runtime on SMP machines.
329 Say N if you are unsure.
331 config ARCH_CPU_PROBE_RELEASE
333 depends on HOTPLUG_CPU
335 config ARCH_ENABLE_MEMORY_HOTPLUG
338 config ARCH_HAS_WALK_MEMORY
341 config ARCH_ENABLE_MEMORY_HOTREMOVE
345 bool "kexec system call (EXPERIMENTAL)"
346 depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP)) && EXPERIMENTAL
348 kexec is a system call that implements the ability to shutdown your
349 current kernel, and to start another kernel. It is like a reboot
350 but it is independent of the system firmware. And like a reboot
351 you can start any kernel with it, not just Linux.
353 The name comes from the similarity to the exec system call.
355 It is an ongoing process to be certain the hardware in a machine
356 is properly shutdown, so do not be surprised if this code does not
357 initially work for you. It may help to enable device hotplugging
358 support. As of this writing the exact hardware interface is
359 strongly in flux, so no good recommendation can be made.
362 bool "Build a kdump crash kernel"
363 depends on PPC64 || 6xx || FSL_BOOKE || (44x && !SMP)
364 select RELOCATABLE if PPC64 || 44x
365 select DYNAMIC_MEMSTART if FSL_BOOKE
367 Build a kernel suitable for use as a kdump capture kernel.
368 The same kernel binary can be used as production kernel and dump
372 bool "Firmware-assisted dump"
373 depends on PPC64 && PPC_RTAS && CRASH_DUMP
375 A robust mechanism to get reliable kernel crash dump with
376 assistance from firmware. This approach does not use kexec,
377 instead firmware assists in booting the kdump kernel
378 while preserving memory contents. Firmware-assisted dump
379 is meant to be a kdump replacement offering robustness and
380 speed not possible without system firmware assistance.
385 bool "Distribute interrupts on all CPUs by default"
386 depends on SMP && !MV64360
388 This option gives the kernel permission to distribute IRQs across
389 multiple CPUs. Saying N here will route all IRQs to the first
390 CPU. Generally saying Y is safe, although some problems have been
391 reported with SMP Power Macintoshes with this option enabled.
396 default y if SMP && PPC_PSERIES
402 depends on NEED_MULTIPLE_NODES
404 config MAX_ACTIVE_REGIONS
406 default "256" if PPC64
409 config ARCH_SELECT_MEMORY_MODEL
413 config ARCH_FLATMEM_ENABLE
415 depends on (PPC64 && !NUMA) || PPC32
417 config ARCH_SPARSEMEM_ENABLE
420 select SPARSEMEM_VMEMMAP_ENABLE
422 config ARCH_SPARSEMEM_DEFAULT
424 depends on (SMP && PPC_PSERIES) || PPC_PS3
426 config SYS_SUPPORTS_HUGETLBFS
431 config ARCH_MEMORY_PROBE
433 depends on MEMORY_HOTPLUG
435 # Some NUMA nodes have memory ranges that span
436 # other nodes. Even though a pfn is valid and
437 # between a node's start and end pfns, it may not
438 # reside on that node. See memmap_init_zone()
440 config NODES_SPAN_OTHER_NODES
442 depends on NEED_MULTIPLE_NODES
444 config PPC_HAS_HASH_64K
450 bool "Using standard binutils settings"
454 Turning this option off allows you to select 256KB PAGE_SIZE on 44x.
455 Note, that kernel will be able to run only those applications,
456 which had been compiled using binutils later than 2.17.50.0.3 with
457 '-zmax-page-size' set to 256K (the default is 64K). Or, if using
458 the older binutils, you can patch them with a trivial patch, which
459 changes the ELF_MAXPAGESIZE definition from 0x10000 to 0x40000.
465 Select the kernel logical page size. Increasing the page size
466 will reduce software overhead at each page boundary, allow
467 hardware prefetch mechanisms to be more effective, and allow
468 larger dma transfers increasing IO efficiency and reducing
469 overhead. However the utilization of memory will increase.
470 For example, each cached file will using a multiple of the
471 page size to hold its contents and the difference between the
472 end of file and the end of page is wasted.
474 Some dedicated systems, such as software raid serving with
475 accelerated calculations, have shown significant increases.
477 If you configure a 64 bit kernel for 64k pages but the
478 processor does not support them, then the kernel will simulate
479 them with 4k pages, loading them on demand, but with the
480 reduced software overhead and larger internal fragmentation.
481 For the 32 bit kernel, a large page option will not be offered
482 unless it is supported by the configured processor.
484 If unsure, choose 4K_PAGES.
490 bool "16k page size" if 44x
493 bool "64k page size" if 44x || PPC_STD_MMU_64 || PPC_BOOK3E_64
494 select PPC_HAS_HASH_64K if PPC_STD_MMU_64
496 config PPC_256K_PAGES
497 bool "256k page size" if 44x
498 depends on !STDBINUTILS
500 Make the page size 256k.
502 As the ELF standard only requires alignment to support page
503 sizes up to 64k, you will need to compile all of your user
504 space applications with a non-standard binutils settings
505 (see the STDBINUTILS description for details).
507 Say N unless you know what you are doing.
511 config FORCE_MAX_ZONEORDER
512 int "Maximum zone order"
513 range 9 64 if PPC64 && PPC_64K_PAGES
514 default "9" if PPC64 && PPC_64K_PAGES
515 range 13 64 if PPC64 && !PPC_64K_PAGES
516 default "13" if PPC64 && !PPC_64K_PAGES
517 range 9 64 if PPC32 && PPC_16K_PAGES
518 default "9" if PPC32 && PPC_16K_PAGES
519 range 7 64 if PPC32 && PPC_64K_PAGES
520 default "7" if PPC32 && PPC_64K_PAGES
521 range 5 64 if PPC32 && PPC_256K_PAGES
522 default "5" if PPC32 && PPC_256K_PAGES
526 The kernel memory allocator divides physically contiguous memory
527 blocks into "zones", where each zone is a power of two number of
528 pages. This option selects the largest power of two that the kernel
529 keeps in the memory allocator. If you need to allocate very large
530 blocks of physically contiguous memory, then you may need to
533 This config option is actually maximum order plus one. For example,
534 a value of 11 means that the largest free memory block is 2^10 pages.
536 The page size is not necessarily 4KB. For example, on 64-bit
537 systems, 64KB pages can be enabled via CONFIG_PPC_64K_PAGES. Keep
538 this in mind when choosing a value for this option.
540 config PPC_SUBPAGE_PROT
541 bool "Support setting protections for 4k subpages"
542 depends on PPC_STD_MMU_64 && PPC_64K_PAGES
544 This option adds support for a system call to allow user programs
545 to set access permissions (read/write, readonly, or no access)
546 on the 4k subpages of each 64k page.
549 bool "SMT (Hyperthreading) scheduler support"
550 depends on PPC64 && SMP
552 SMT scheduler support improves the CPU scheduler's decision making
553 when dealing with POWER5 cpus at a cost of slightly increased
554 overhead in some places. If unsure say N here.
557 bool "Default bootloader kernel arguments"
560 string "Initial kernel command string"
561 depends on CMDLINE_BOOL
562 default "console=ttyS0,9600 console=tty0 root=/dev/sda2"
564 On some platforms, there is currently no way for the boot loader to
565 pass arguments to the kernel. For these platforms, you can supply
566 some command-line options at build time by entering them here. In
567 most cases you will need to specify the root device here.
570 string "Additional default image types"
572 List additional targets to be built by the bootwrapper here (separated
573 by spaces). This is useful for targets that depend of device tree
574 files in the .dts directory.
576 Targets in this list will be build as part of the default build
577 target, or when the user does a 'make zImage' or a
578 'make zImage.initrd'.
580 If unsure, leave blank
582 config ARCH_WANTS_FREEZER_CONTROL
586 source kernel/power/Kconfig
589 bool "Enable seccomp to safely compute untrusted bytecode"
593 This kernel feature is useful for number crunching applications
594 that may need to compute untrusted bytecode during their
595 execution. By using pipes or other transports made available to
596 the process as file descriptors supporting the read/write
597 syscalls, it's possible to isolate those applications in
598 their own address space using seccomp. Once seccomp is
599 enabled via /proc/<pid>/seccomp, it cannot be disabled
600 and the task is only allowed to execute a few safe syscalls
601 defined by each seccomp mode.
603 If unsure, say Y. Only embedded should say N here.
614 bool "Support for ISA-bus hardware"
615 depends on PPC_PREP || PPC_CHRP
618 Find out whether you have ISA slots on your motherboard. ISA is the
619 name of a bus system, i.e. the way the CPU talks to the other stuff
620 inside your box. If you have an Apple machine, say N here; if you
621 have an IBM RS/6000 or pSeries machine or a PReP machine, say Y. If
622 you have an embedded board, consult your board documentation.
628 config NEED_DMA_MAP_STATE
629 def_bool (PPC64 || NOT_COHERENT_CACHE)
631 config NEED_SG_DMA_LENGTH
634 config GENERIC_ISA_DMA
636 depends on ISA_DMA_API
639 config PPC_INDIRECT_PCI
642 default y if 40x || 44x
653 select HAVE_CAN_FLEXCAN if NET && CAN
654 select PPC_CLOCK if CAN_FLEXCAN
658 select PPC_INDIRECT_PCI
664 depends on SUSPEND && (PPC_85xx || PPC_86xx)
666 Freescale MPC85xx/MPC86xx power management controller support
667 (suspend/resume). For MPC83xx see platforms/83xx/suspend.c
672 depends on SUSPEND && (44x || 40x)
674 PPC4xx Clock Power Management (CPM) support (suspend/resume).
675 It also enables support for two different idle states (idle-wait
682 bool "Freescale Local Bus support"
685 Enables reporting of errors from the Freescale local bus
686 controller. Also contains some common code used by
687 drivers for specific local bus peripherals.
695 depends on PPC_83xx || QUICC_ENGINE || CPM2
697 Freescale General-purpose Timers support
699 # Yes MCA RS/6000s exist but Linux-PPC does not currently support any
703 # Platforms that what PCI turned unconditionally just do select PCI
704 # in their config node. Platforms that want to choose at config
705 # time should select PPC_PCI_CHOICE
706 config PPC_PCI_CHOICE
710 bool "PCI support" if PPC_PCI_CHOICE
711 default y if !40x && !CPM2 && !8xx && !PPC_83xx \
712 && !PPC_85xx && !PPC_86xx && !GAMECUBE_COMMON
713 default PCI_PERMEDIA if !4xx && !CPM2 && !8xx
714 default PCI_QSPAN if !4xx && !CPM2 && 8xx
715 select ARCH_SUPPORTS_MSI
716 select GENERIC_PCI_IOMAP
718 Find out whether your system includes a PCI bus. PCI is the name of
719 a bus system, i.e. the way the CPU talks to the other stuff inside
720 your box. If you say Y here, the kernel will include drivers and
721 infrastructure code to support PCI bus devices.
731 depends on !4xx && !CPM2 && 8xx
734 Say Y here if you have a system based on a Motorola 8xx-series
735 embedded processor with a QSPAN PCI interface, otherwise say N.
739 depends on PCI && 8260
740 select PPC_INDIRECT_PCI
744 bool "Enable workaround for MPC826x erratum PCI 9"
745 depends on PCI_8260 && !8272
748 source "drivers/pci/pcie/Kconfig"
750 source "drivers/pci/Kconfig"
752 source "drivers/pcmcia/Kconfig"
754 source "drivers/pci/hotplug/Kconfig"
761 bool "RapidIO support"
762 depends on HAS_RAPIDIO || PCI
764 If you say Y here, the kernel will include drivers and
765 infrastructure code to support RapidIO interconnect devices.
768 bool "Freescale Embedded SRIO Controller support"
769 depends on RAPIDIO && HAS_RAPIDIO
772 Include support for RapidIO controller on Freescale embedded
773 processors (MPC8548, MPC8641, etc).
775 source "drivers/rapidio/Kconfig"
779 config NONSTATIC_KERNEL
783 menu "Advanced setup"
786 config ADVANCED_OPTIONS
787 bool "Prompt for advanced kernel configuration options"
789 This option will enable prompting for a variety of advanced kernel
790 configuration options. These options can cause the kernel to not
791 work if they are set incorrectly, but can be used to optimize certain
792 aspects of kernel memory management.
794 Unless you know what you are doing, say N here.
796 comment "Default settings for advanced configuration options are used"
797 depends on !ADVANCED_OPTIONS
799 config LOWMEM_SIZE_BOOL
800 bool "Set maximum low memory"
801 depends on ADVANCED_OPTIONS
803 This option allows you to set the maximum amount of memory which
804 will be used as "low memory", that is, memory which the kernel can
805 access directly, without having to set up a kernel virtual mapping.
806 This can be useful in optimizing the layout of kernel virtual
809 Say N here unless you know what you are doing.
812 hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
815 config LOWMEM_CAM_NUM_BOOL
816 bool "Set number of CAMs to use to map low memory"
817 depends on ADVANCED_OPTIONS && FSL_BOOKE
819 This option allows you to set the maximum number of CAM slots that
820 will be used to map low memory. There are a limited number of slots
821 available and even more limited number that will fit in the L1 MMU.
822 However, using more entries will allow mapping more low memory. This
823 can be useful in optimizing the layout of kernel virtual memory.
825 Say N here unless you know what you are doing.
827 config LOWMEM_CAM_NUM
829 int "Number of CAMs to use to map low memory" if LOWMEM_CAM_NUM_BOOL
832 config DYNAMIC_MEMSTART
833 bool "Enable page aligned dynamic load address for kernel (EXPERIMENTAL)"
834 depends on EXPERIMENTAL && ADVANCED_OPTIONS && FLATMEM && (FSL_BOOKE || 44x)
835 select NONSTATIC_KERNEL
837 This option enables the kernel to be loaded at any page aligned
838 physical address. The kernel creates a mapping from KERNELBASE to
839 the address where the kernel is loaded. The page size here implies
840 the TLB page size of the mapping for kernel on the particular platform.
841 Please refer to the init code for finding the TLB page size.
843 DYNAMIC_MEMSTART is an easy way of implementing pseudo-RELOCATABLE
844 kernel image, where the only restriction is the page aligned kernel
845 load address. When this option is enabled, the compile time physical
846 address CONFIG_PHYSICAL_START is ignored.
848 This option is overridden by CONFIG_RELOCATABLE
851 bool "Build a relocatable kernel (EXPERIMENTAL)"
852 depends on EXPERIMENTAL && ADVANCED_OPTIONS && FLATMEM && 44x
853 select NONSTATIC_KERNEL
855 This builds a kernel image that is capable of running at the
856 location the kernel is loaded at, without any alignment restrictions.
857 This feature is a superset of DYNAMIC_MEMSTART and hence overrides it.
859 One use is for the kexec on panic case where the recovery kernel
860 must live at a different physical address than the primary
863 Note: If CONFIG_RELOCATABLE=y, then the kernel runs from the address
864 it has been loaded at and the compile time physical addresses
865 CONFIG_PHYSICAL_START is ignored. However CONFIG_PHYSICAL_START
866 setting can still be useful to bootwrappers that need to know the
867 load address of the kernel (eg. u-boot/mkimage).
869 config RELOCATABLE_PPC32
871 depends on PPC32 && RELOCATABLE
873 config PAGE_OFFSET_BOOL
874 bool "Set custom page offset address"
875 depends on ADVANCED_OPTIONS
877 This option allows you to set the kernel virtual address at which
878 the kernel will map low memory. This can be useful in optimizing
879 the virtual memory layout of the system.
881 Say N here unless you know what you are doing.
884 hex "Virtual address of memory base" if PAGE_OFFSET_BOOL
887 config KERNEL_START_BOOL
888 bool "Set custom kernel base address"
889 depends on ADVANCED_OPTIONS
891 This option allows you to set the kernel virtual address at which
892 the kernel will be loaded. Normally this should match PAGE_OFFSET
893 however there are times (like kdump) that one might not want them
896 Say N here unless you know what you are doing.
899 hex "Virtual address of kernel base" if KERNEL_START_BOOL
900 default PAGE_OFFSET if PAGE_OFFSET_BOOL
901 default "0xc2000000" if CRASH_DUMP && !NONSTATIC_KERNEL
904 config PHYSICAL_START_BOOL
905 bool "Set physical address where the kernel is loaded"
906 depends on ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE
908 This gives the physical address where the kernel is loaded.
910 Say N here unless you know what you are doing.
912 config PHYSICAL_START
913 hex "Physical address where the kernel is loaded" if PHYSICAL_START_BOOL
914 default "0x02000000" if PPC_STD_MMU && CRASH_DUMP && !NONSTATIC_KERNEL
917 config PHYSICAL_ALIGN
919 default "0x04000000" if FSL_BOOKE
921 This value puts the alignment restrictions on physical address
922 where kernel is loaded and run from. Kernel is compiled for an
923 address which meets above alignment restriction.
925 config TASK_SIZE_BOOL
926 bool "Set custom user task size"
927 depends on ADVANCED_OPTIONS
929 This option allows you to set the amount of virtual address space
930 allocated to user tasks. This can be useful in optimizing the
931 virtual memory layout of the system.
933 Say N here unless you know what you are doing.
936 hex "Size of user task space" if TASK_SIZE_BOOL
937 default "0x80000000" if PPC_PREP || PPC_8xx
940 config CONSISTENT_SIZE_BOOL
941 bool "Set custom consistent memory pool size"
942 depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
944 This option allows you to set the size of the
945 consistent memory pool. This pool of virtual memory
946 is used to make consistent memory allocations.
948 config CONSISTENT_SIZE
949 hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
950 default "0x00200000" if NOT_COHERENT_CACHE
953 bool "Pinned Kernel TLBs (860 ONLY)"
954 depends on ADVANCED_OPTIONS && 8xx
959 bool "Build a relocatable kernel"
960 select NONSTATIC_KERNEL
962 This builds a kernel image that is capable of running anywhere
963 in the RMA (real memory area) at any 16k-aligned base address.
964 The kernel is linked as a position-independent executable (PIE)
965 and contains dynamic relocations which are processed early
966 in the bootup process.
968 One use is for the kexec on panic case where the recovery kernel
969 must live at a different physical address than the primary
974 default "0xc000000000000000"
977 default "0xc000000000000000"
978 config PHYSICAL_START
985 source "drivers/Kconfig"
989 source "arch/powerpc/sysdev/qe_lib/Kconfig"
993 source "arch/powerpc/Kconfig.debug"
995 source "security/Kconfig"
999 depends on COMPAT && KEYS
1002 source "crypto/Kconfig"
1009 config PPC_LIB_RHEAP
1012 source "arch/powerpc/kvm/Kconfig"