1 # SPDX-License-Identifier: GPL-2.0 !! 1 config 64BIT
2 # Hexagon configuration !! 2 bool "64-bit kernel" if ARCH = "sparc"
3 comment "Linux Kernel Configuration for Hexago !! 3 default ARCH = "sparc64"
4 !! 4 help
5 config HEXAGON !! 5 SPARC is a family of RISC microprocessors designed and marketed by
6 def_bool y !! 6 Sun Microsystems, incorporated. They are very widely found in Sun
7 select ARCH_32BIT_OFF_T !! 7 workstations and clones.
8 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 8
9 select ARCH_NO_PREEMPT !! 9 Say yes to build a 64-bit kernel - formerly known as sparc64
10 select ARCH_WANT_FRAME_POINTERS !! 10 Say no to build a 32-bit kernel - formerly known as sparc
11 select DMA_GLOBAL_POOL !! 11
12 select HAVE_PAGE_SIZE_4KB !! 12 config SPARC
13 select HAVE_PAGE_SIZE_16KB !! 13 bool
14 select HAVE_PAGE_SIZE_64KB !! 14 default y
15 select HAVE_PAGE_SIZE_256KB !! 15 select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
16 select FRAME_POINTER !! 16 select ARCH_MIGHT_HAVE_PC_SERIO
17 # Other pending projects/to-do items. !! 17 select OF
18 # select HAVE_REGS_AND_STACK_ACCESS_AP !! 18 select OF_PROMTREE
19 # select HAVE_HW_BREAKPOINT if PERF_EV !! 19 select HAVE_IDE
20 # select ARCH_HAS_CPU_IDLE_WAIT !! 20 select HAVE_OPROFILE
21 # select GPIOLIB !! 21 select HAVE_ARCH_KGDB if !SMP || SPARC64
22 # select HAVE_CLK <<
23 # select GENERIC_PENDING_IRQ if SMP <<
24 select GENERIC_ATOMIC64 <<
25 select HAVE_PERF_EVENTS <<
26 # GENERIC_ALLOCATOR is used by dma_all <<
27 select GENERIC_ALLOCATOR <<
28 select GENERIC_IRQ_PROBE <<
29 select GENERIC_IRQ_SHOW <<
30 select HAVE_ARCH_KGDB <<
31 select HAVE_ARCH_TRACEHOOK 22 select HAVE_ARCH_TRACEHOOK
32 select NEED_SG_DMA_LENGTH !! 23 select HAVE_EXIT_THREAD
33 select NO_IOPORT_MAP !! 24 select SYSCTL_EXCEPTION_TRACE
34 select GENERIC_IOMAP !! 25 select RTC_CLASS
35 select GENERIC_IOREMAP !! 26 select RTC_DRV_M48T59
>> 27 select RTC_SYSTOHC
>> 28 select HAVE_DMA_API_DEBUG
>> 29 select HAVE_ARCH_JUMP_LABEL if SPARC64
>> 30 select GENERIC_IRQ_SHOW
>> 31 select ARCH_WANT_IPC_PARSE_VERSION
>> 32 select GENERIC_PCI_IOMAP
>> 33 select HAVE_NMI_WATCHDOG if SPARC64
>> 34 select HAVE_CBPF_JIT if SPARC32
>> 35 select HAVE_EBPF_JIT if SPARC64
>> 36 select HAVE_DEBUG_BUGVERBOSE
36 select GENERIC_SMP_IDLE_THREAD 37 select GENERIC_SMP_IDLE_THREAD
37 select STACKTRACE_SUPPORT !! 38 select GENERIC_CLOCKEVENTS
38 select GENERIC_CLOCKEVENTS_BROADCAST !! 39 select GENERIC_STRNCPY_FROM_USER
39 select LOCK_MM_AND_FIND_VMA !! 40 select GENERIC_STRNLEN_USER
40 select MODULES_USE_ELF_RELA 41 select MODULES_USE_ELF_RELA
41 select GENERIC_CPU_DEVICES !! 42 select ODD_RT_SIGACTION
42 select ARCH_WANT_LD_ORPHAN_WARN !! 43 select OLD_SIGSUSPEND
43 select TRACE_IRQFLAGS_SUPPORT !! 44 select ARCH_HAS_SG_CHAIN
44 help !! 45 select CPU_NO_EFFICIENT_FFS
45 Qualcomm Hexagon is a processor arch !! 46 select LOCKDEP_SMALL if LOCKDEP
46 performance and low power across a w !! 47 select ARCH_WANT_RELAX_ORDER
>> 48
>> 49 config SPARC32
>> 50 def_bool !64BIT
>> 51 select GENERIC_ATOMIC64
>> 52 select CLZ_TAB
>> 53 select HAVE_UID16
>> 54 select OLD_SIGACTION
>> 55
>> 56 config SPARC64
>> 57 def_bool 64BIT
>> 58 select HAVE_FUNCTION_TRACER
>> 59 select HAVE_FUNCTION_GRAPH_TRACER
>> 60 select HAVE_KRETPROBES
>> 61 select HAVE_KPROBES
>> 62 select HAVE_RCU_TABLE_FREE if SMP
>> 63 select HAVE_MEMBLOCK
>> 64 select HAVE_MEMBLOCK_NODE_MAP
>> 65 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
>> 66 select HAVE_DYNAMIC_FTRACE
>> 67 select HAVE_FTRACE_MCOUNT_RECORD
>> 68 select HAVE_SYSCALL_TRACEPOINTS
>> 69 select HAVE_CONTEXT_TRACKING
>> 70 select HAVE_DEBUG_KMEMLEAK
>> 71 select SPARSE_IRQ
>> 72 select RTC_DRV_CMOS
>> 73 select RTC_DRV_BQ4802
>> 74 select RTC_DRV_SUN4V
>> 75 select RTC_DRV_STARFIRE
>> 76 select HAVE_PERF_EVENTS
>> 77 select PERF_USE_VMALLOC
>> 78 select IRQ_PREFLOW_FASTEOI
>> 79 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 80 select HAVE_C_RECORDMCOUNT
>> 81 select NO_BOOTMEM
>> 82 select HAVE_ARCH_AUDITSYSCALL
>> 83 select ARCH_SUPPORTS_ATOMIC_RMW
>> 84 select HAVE_NMI
>> 85 select HAVE_REGS_AND_STACK_ACCESS_API
>> 86
>> 87 config ARCH_DEFCONFIG
>> 88 string
>> 89 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
>> 90 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
47 91
48 config HEXAGON_PHYS_OFFSET !! 92 config ARCH_PROC_KCORE_TEXT
49 def_bool y 93 def_bool y
50 help !! 94
51 Platforms that don't load the kernel !! 95 config ARCH_ATU
>> 96 bool
>> 97 default y if SPARC64
>> 98
>> 99 config ARCH_DMA_ADDR_T_64BIT
>> 100 bool
>> 101 default y if ARCH_ATU
>> 102
>> 103 config IOMMU_HELPER
>> 104 bool
>> 105 default y if SPARC64
>> 106
>> 107 config STACKTRACE_SUPPORT
>> 108 bool
>> 109 default y if SPARC64
52 110
53 config LOCKDEP_SUPPORT 111 config LOCKDEP_SUPPORT
54 def_bool y !! 112 bool
>> 113 default y if SPARC64
55 114
56 config EARLY_PRINTK !! 115 config ARCH_HIBERNATION_POSSIBLE
57 def_bool y !! 116 def_bool y if SPARC64
>> 117
>> 118 config AUDIT_ARCH
>> 119 bool
>> 120 default y
>> 121
>> 122 config HAVE_SETUP_PER_CPU_AREA
>> 123 def_bool y if SPARC64
>> 124
>> 125 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 126 def_bool y if SPARC64
>> 127
>> 128 config NEED_PER_CPU_PAGE_FIRST_CHUNK
>> 129 def_bool y if SPARC64
58 130
59 config MMU 131 config MMU
>> 132 bool
>> 133 default y
>> 134
>> 135 config HIGHMEM
>> 136 bool
>> 137 default y if SPARC32
>> 138
>> 139 config ZONE_DMA
>> 140 bool
>> 141 default y if SPARC32
>> 142
>> 143 config NEED_DMA_MAP_STATE
60 def_bool y 144 def_bool y
61 145
62 config GENERIC_CSUM !! 146 config NEED_SG_DMA_LENGTH
63 def_bool y 147 def_bool y
64 148
>> 149 config GENERIC_ISA_DMA
>> 150 bool
>> 151 default y if SPARC32
>> 152
>> 153 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 154 def_bool y if SPARC64
>> 155
>> 156 config PGTABLE_LEVELS
>> 157 default 4 if 64BIT
>> 158 default 3
>> 159
>> 160 config ARCH_SUPPORTS_UPROBES
>> 161 def_bool y if SPARC64
>> 162
>> 163 source "init/Kconfig"
>> 164
>> 165 source "kernel/Kconfig.freezer"
>> 166
>> 167 menu "Processor type and features"
>> 168
>> 169 config SMP
>> 170 bool "Symmetric multi-processing support"
>> 171 ---help---
>> 172 This enables support for systems with more than one CPU. If you have
>> 173 a system with only one CPU, say N. If you have a system with more
>> 174 than one CPU, say Y.
>> 175
>> 176 If you say N here, the kernel will run on uni- and multiprocessor
>> 177 machines, but will use only one CPU of a multiprocessor machine. If
>> 178 you say Y here, the kernel will run on many, but not all,
>> 179 uniprocessor machines. On a uniprocessor machine, the kernel
>> 180 will run faster if you say N here.
>> 181
>> 182 People using multiprocessor machines who say Y here should also say
>> 183 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
>> 184 Management" code will be disabled if you say Y here.
>> 185
>> 186 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
>> 187 available at <http://www.tldp.org/docs.html#howto>.
>> 188
>> 189 If you don't know what to do here, say N.
>> 190
>> 191 config NR_CPUS
>> 192 int "Maximum number of CPUs"
>> 193 depends on SMP
>> 194 range 2 32 if SPARC32
>> 195 range 2 4096 if SPARC64
>> 196 default 32 if SPARC32
>> 197 default 4096 if SPARC64
>> 198
>> 199 source kernel/Kconfig.hz
>> 200
>> 201 config RWSEM_GENERIC_SPINLOCK
>> 202 bool
>> 203 default y if SPARC32
>> 204
>> 205 config RWSEM_XCHGADD_ALGORITHM
>> 206 bool
>> 207 default y if SPARC64
>> 208
65 config GENERIC_HWEIGHT 209 config GENERIC_HWEIGHT
66 def_bool y !! 210 bool
>> 211 default y
67 212
68 config STACKTRACE_SUPPORT !! 213 config GENERIC_CALIBRATE_DELAY
69 def_bool y !! 214 bool
70 select STACKTRACE !! 215 default y
>> 216
>> 217 config ARCH_MAY_HAVE_PC_FDC
>> 218 bool
>> 219 default y
>> 220
>> 221 config EMULATED_CMPXCHG
>> 222 bool
>> 223 default y if SPARC32
>> 224 help
>> 225 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
>> 226 is emulated, and therefore it is not completely atomic.
>> 227
>> 228 # Makefile helpers
>> 229 config SPARC32_SMP
>> 230 bool
>> 231 default y
>> 232 depends on SPARC32 && SMP
>> 233
>> 234 config SPARC64_SMP
>> 235 bool
>> 236 default y
>> 237 depends on SPARC64 && SMP
>> 238
>> 239 config EARLYFB
>> 240 bool "Support for early boot text console"
>> 241 default y
>> 242 depends on SPARC64
>> 243 help
>> 244 Say Y here to enable a faster early framebuffer boot console.
>> 245
>> 246 config SECCOMP
>> 247 bool "Enable seccomp to safely compute untrusted bytecode"
>> 248 depends on SPARC64 && PROC_FS
>> 249 default y
>> 250 help
>> 251 This kernel feature is useful for number crunching applications
>> 252 that may need to compute untrusted bytecode during their
>> 253 execution. By using pipes or other transports made available to
>> 254 the process as file descriptors supporting the read/write
>> 255 syscalls, it's possible to isolate those applications in
>> 256 their own address space using seccomp. Once seccomp is
>> 257 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 258 and the task is only allowed to execute a few safe syscalls
>> 259 defined by each seccomp mode.
>> 260
>> 261 If unsure, say Y. Only embedded should say N here.
>> 262
>> 263 config HOTPLUG_CPU
>> 264 bool "Support for hot-pluggable CPUs"
>> 265 depends on SPARC64 && SMP
>> 266 help
>> 267 Say Y here to experiment with turning CPUs off and on. CPUs
>> 268 can be controlled through /sys/devices/system/cpu/cpu#.
>> 269 Say N if you want to disable CPU hotplug.
>> 270
>> 271 if SPARC64
>> 272 source "drivers/cpufreq/Kconfig"
>> 273 endif
>> 274
>> 275 config US3_MC
>> 276 tristate "UltraSPARC-III Memory Controller driver"
>> 277 depends on SPARC64
>> 278 default y
>> 279 help
>> 280 This adds a driver for the UltraSPARC-III memory controller.
>> 281 Loading this driver allows exact mnemonic strings to be
>> 282 printed in the event of a memory error, so that the faulty DIMM
>> 283 on the motherboard can be matched to the error.
>> 284
>> 285 If in doubt, say Y, as this information can be very useful.
>> 286
>> 287 # Global things across all Sun machines.
>> 288 config GENERIC_LOCKBREAK
>> 289 bool
>> 290 default y
>> 291 depends on SPARC64 && SMP && PREEMPT
>> 292
>> 293 config NUMA
>> 294 bool "NUMA support"
>> 295 depends on SPARC64 && SMP
>> 296
>> 297 config NODES_SHIFT
>> 298 int "Maximum NUMA Nodes (as a power of 2)"
>> 299 range 4 5 if SPARC64
>> 300 default "5"
>> 301 depends on NEED_MULTIPLE_NODES
>> 302 help
>> 303 Specify the maximum number of NUMA Nodes available on the target
>> 304 system. Increases memory reserved to accommodate various tables.
71 305
72 config GENERIC_BUG !! 306 # Some NUMA nodes have memory ranges that span
>> 307 # other nodes. Even though a pfn is valid and
>> 308 # between a node's start and end pfns, it may not
>> 309 # reside on that node. See memmap_init_zone()
>> 310 # for details.
>> 311 config NODES_SPAN_OTHER_NODES
73 def_bool y 312 def_bool y
74 depends on BUG !! 313 depends on NEED_MULTIPLE_NODES
>> 314
>> 315 config ARCH_SELECT_MEMORY_MODEL
>> 316 def_bool y if SPARC64
>> 317
>> 318 config ARCH_SPARSEMEM_ENABLE
>> 319 def_bool y if SPARC64
>> 320 select SPARSEMEM_VMEMMAP_ENABLE
75 321
76 menu "Machine selection" !! 322 config ARCH_SPARSEMEM_DEFAULT
>> 323 def_bool y if SPARC64
77 324
78 choice !! 325 config FORCE_MAX_ZONEORDER
79 prompt "System type" !! 326 int "Maximum zone order"
80 default HEXAGON_COMET !! 327 default "13"
>> 328 help
>> 329 The kernel memory allocator divides physically contiguous memory
>> 330 blocks into "zones", where each zone is a power of two number of
>> 331 pages. This option selects the largest power of two that the kernel
>> 332 keeps in the memory allocator. If you need to allocate very large
>> 333 blocks of physically contiguous memory, then you may need to
>> 334 increase this value.
>> 335
>> 336 This config option is actually maximum order plus one. For example,
>> 337 a value of 13 means that the largest free memory block is 2^12 pages.
>> 338
>> 339 source "mm/Kconfig"
>> 340
>> 341 if SPARC64
>> 342 source "kernel/power/Kconfig"
>> 343 endif
>> 344
>> 345 config SCHED_SMT
>> 346 bool "SMT (Hyperthreading) scheduler support"
>> 347 depends on SPARC64 && SMP
>> 348 default y
>> 349 help
>> 350 SMT scheduler support improves the CPU scheduler's decision making
>> 351 when dealing with SPARC cpus at a cost of slightly increased overhead
>> 352 in some places. If unsure say N here.
>> 353
>> 354 config SCHED_MC
>> 355 bool "Multi-core scheduler support"
>> 356 depends on SPARC64 && SMP
>> 357 default y
>> 358 help
>> 359 Multi-core scheduler support improves the CPU scheduler's decision
>> 360 making when dealing with multi-core CPU chips at a cost of slightly
>> 361 increased overhead in some places. If unsure say N here.
>> 362
>> 363 source "kernel/Kconfig.preempt"
>> 364
>> 365 config CMDLINE_BOOL
>> 366 bool "Default bootloader kernel arguments"
>> 367 depends on SPARC64
>> 368
>> 369 config CMDLINE
>> 370 string "Initial kernel command string"
>> 371 depends on CMDLINE_BOOL
>> 372 default "console=ttyS0,9600 root=/dev/sda1"
>> 373 help
>> 374 Say Y here if you want to be able to pass default arguments to
>> 375 the kernel. This will be overridden by the bootloader, if you
>> 376 use one (such as SILO). This is most useful if you want to boot
>> 377 a kernel from TFTP, and want default options to be available
>> 378 with having them passed on the command line.
>> 379
>> 380 NOTE: This option WILL override the PROM bootargs setting!
>> 381
>> 382 config SUN_PM
>> 383 bool
>> 384 default y if SPARC32
>> 385 help
>> 386 Enable power management and CPU standby features on supported
>> 387 SPARC platforms.
81 388
82 config HEXAGON_COMET !! 389 config SPARC_LED
83 bool "Comet Board" !! 390 tristate "Sun4m LED driver"
>> 391 depends on SPARC32
84 help 392 help
85 Support for the Comet platform. !! 393 This driver toggles the front-panel LED on sun4m systems
>> 394 in a user-specifiable manner. Its state can be probed
>> 395 by reading /proc/led and its blinking mode can be changed
>> 396 via writes to /proc/led
>> 397
>> 398 config SERIAL_CONSOLE
>> 399 bool
>> 400 depends on SPARC32
>> 401 default y
>> 402 ---help---
>> 403 If you say Y here, it will be possible to use a serial port as the
>> 404 system console (the system console is the device which receives all
>> 405 kernel messages and warnings and which allows logins in single user
>> 406 mode). This could be useful if some terminal or printer is connected
>> 407 to that serial port.
>> 408
>> 409 Even if you say Y here, the currently visible virtual console
>> 410 (/dev/tty0) will still be used as the system console by default, but
>> 411 you can alter that using a kernel command line option such as
>> 412 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 413 your boot loader (silo) about how to pass options to the kernel at
>> 414 boot time.)
>> 415
>> 416 If you don't have a graphics card installed and you say Y here, the
>> 417 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 418 system console.
>> 419
>> 420 If unsure, say N.
>> 421
>> 422 config SPARC_LEON
>> 423 bool "Sparc Leon processor family"
>> 424 depends on SPARC32
>> 425 select USB_EHCI_BIG_ENDIAN_MMIO
>> 426 select USB_EHCI_BIG_ENDIAN_DESC
>> 427 ---help---
>> 428 If you say Y here if you are running on a SPARC-LEON processor.
>> 429 The LEON processor is a synthesizable VHDL model of the
>> 430 SPARC-v8 standard. LEON is part of the GRLIB collection of
>> 431 IP cores that are distributed under GPL. GRLIB can be downloaded
>> 432 from www.gaisler.com. You can download a sparc-linux cross-compilation
>> 433 toolchain at www.gaisler.com.
>> 434
>> 435 if SPARC_LEON
>> 436 menu "U-Boot options"
>> 437
>> 438 config UBOOT_LOAD_ADDR
>> 439 hex "uImage Load Address"
>> 440 default 0x40004000
>> 441 ---help---
>> 442 U-Boot kernel load address, the address in physical address space
>> 443 where u-boot will place the Linux kernel before booting it.
>> 444 This address is normally the base address of main memory + 0x4000.
>> 445
>> 446 config UBOOT_FLASH_ADDR
>> 447 hex "uImage.o Load Address"
>> 448 default 0x00080000
>> 449 ---help---
>> 450 Optional setting only affecting the uImage.o ELF-image used to
>> 451 download the uImage file to the target using a ELF-loader other than
>> 452 U-Boot. It may for example be used to download an uImage to FLASH with
>> 453 the GRMON utility before even starting u-boot.
>> 454
>> 455 config UBOOT_ENTRY_ADDR
>> 456 hex "uImage Entry Address"
>> 457 default 0xf0004000
>> 458 ---help---
>> 459 Do not change this unless you know what you're doing. This is
>> 460 hardcoded by the SPARC32 and LEON port.
86 461
87 endchoice !! 462 This is the virtual address u-boot jumps to when booting the Linux
>> 463 Kernel.
88 464
89 config HEXAGON_ARCH_VERSION !! 465 endmenu
90 int "Architecture version" !! 466 endif
91 default 2 <<
92 467
93 config CMDLINE !! 468 endmenu
94 string "Default kernel command string" !! 469
95 default "" !! 470 menu "Bus options (PCI etc.)"
>> 471 config SBUS
>> 472 bool
>> 473 default y
>> 474
>> 475 config SBUSCHAR
>> 476 bool
>> 477 default y
>> 478
>> 479 config SUN_LDOMS
>> 480 bool "Sun Logical Domains support"
>> 481 depends on SPARC64
96 help 482 help
97 On some platforms, there is currentl !! 483 Say Y here is you want to support virtual devices via
98 to pass arguments to the kernel. For !! 484 Logical Domains.
99 command-line options at build time b <<
100 minimum, you should specify the memo <<
101 (e.g., mem=64M root=/dev/nfs). <<
102 485
103 config SMP !! 486 config PCI
104 bool "Multi-Processing support" !! 487 bool "Support for PCI and PS/2 keyboard/mouse"
>> 488 help
>> 489 Find out whether your system includes a PCI bus. PCI is the name of
>> 490 a bus system, i.e. the way the CPU talks to the other stuff inside
>> 491 your box. If you say Y here, the kernel will include drivers and
>> 492 infrastructure code to support PCI bus devices.
>> 493
>> 494 CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
>> 495 CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
>> 496 All of these platforms are extremely obscure, so say N if unsure.
>> 497
>> 498 config PCI_DOMAINS
>> 499 def_bool PCI if SPARC64
>> 500
>> 501 config PCI_SYSCALL
>> 502 def_bool PCI
>> 503
>> 504 config PCIC_PCI
>> 505 bool
>> 506 depends on PCI && SPARC32 && !SPARC_LEON
>> 507 default y
>> 508
>> 509 config LEON_PCI
>> 510 bool
>> 511 depends on PCI && SPARC_LEON
>> 512 default y
>> 513
>> 514 config SPARC_GRPCI1
>> 515 bool "GRPCI Host Bridge Support"
>> 516 depends on LEON_PCI
>> 517 default y
105 help 518 help
106 Enables SMP support in the kernel. !! 519 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
>> 520 PCI host controller is typically found in GRLIB SPARC32/LEON
>> 521 systems. The driver has one property (all_pci_errors) controlled
>> 522 from the bootloader that makes the GRPCI to generate interrupts
>> 523 on detected PCI Parity and System errors.
>> 524
>> 525 config SPARC_GRPCI2
>> 526 bool "GRPCI2 Host Bridge Support"
>> 527 depends on LEON_PCI
>> 528 default y
>> 529 help
>> 530 Say Y here to include the GRPCI2 Host Bridge Driver.
107 531
108 config NR_CPUS !! 532 source "drivers/pci/Kconfig"
109 int "Maximum number of CPUs" if SMP <<
110 range 2 6 if SMP <<
111 default "1" if !SMP <<
112 default "6" if SMP <<
113 help <<
114 This allows you to specify the maxim <<
115 kernel will support. The maximum su <<
116 minimum value which makes sense is 2 <<
117 533
118 This is purely to save memory - each !! 534 source "drivers/pcmcia/Kconfig"
119 approximately eight kilobytes to the <<
120 535
121 source "kernel/Kconfig.hz" !! 536 config SUN_OPENPROMFS
>> 537 tristate "Openprom tree appears in /proc/openprom"
>> 538 help
>> 539 If you say Y, the OpenPROM device tree will be available as a
>> 540 virtual file system, which you can mount to /proc/openprom by "mount
>> 541 -t openpromfs none /proc/openprom".
>> 542
>> 543 To compile the /proc/openprom support as a module, choose M here: the
>> 544 module will be called openpromfs.
>> 545
>> 546 Only choose N if you know in advance that you will not need to modify
>> 547 OpenPROM settings on the running system.
>> 548
>> 549 # Makefile helpers
>> 550 config SPARC64_PCI
>> 551 bool
>> 552 default y
>> 553 depends on SPARC64 && PCI
>> 554
>> 555 config SPARC64_PCI_MSI
>> 556 bool
>> 557 default y
>> 558 depends on SPARC64_PCI && PCI_MSI
122 559
123 endmenu 560 endmenu
>> 561
>> 562 menu "Executable file formats"
>> 563
>> 564 source "fs/Kconfig.binfmt"
>> 565
>> 566 config COMPAT
>> 567 bool
>> 568 depends on SPARC64
>> 569 default y
>> 570 select COMPAT_BINFMT_ELF
>> 571 select HAVE_UID16
>> 572 select ARCH_WANT_OLD_COMPAT_IPC
>> 573 select COMPAT_OLD_SIGACTION
>> 574
>> 575 config SYSVIPC_COMPAT
>> 576 bool
>> 577 depends on COMPAT && SYSVIPC
>> 578 default y
>> 579
>> 580 endmenu
>> 581
>> 582 source "net/Kconfig"
>> 583
>> 584 source "drivers/Kconfig"
>> 585
>> 586 source "drivers/sbus/char/Kconfig"
>> 587
>> 588 source "fs/Kconfig"
>> 589
>> 590 source "arch/sparc/Kconfig.debug"
>> 591
>> 592 source "security/Kconfig"
>> 593
>> 594 source "crypto/Kconfig"
>> 595
>> 596 source "lib/Kconfig"
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