1 # SPDX-License-Identifier: GPL-2.0 !! 1 config ALPHA
2 <<
3 menu "UML-specific options" <<
4 <<
5 config UML <<
6 bool 2 bool
7 default y 3 default y
8 select ARCH_HAS_CPU_FINALIZE_INIT !! 4 select ARCH_MIGHT_HAVE_PC_PARPORT
9 select ARCH_HAS_FORTIFY_SOURCE !! 5 select ARCH_MIGHT_HAVE_PC_SERIO
10 select ARCH_HAS_GCOV_PROFILE_ALL !! 6 select ARCH_USE_CMPXCHG_LOCKREF
11 select ARCH_HAS_KCOV !! 7 select HAVE_AOUT
12 select ARCH_HAS_STRNCPY_FROM_USER !! 8 select HAVE_IDE
13 select ARCH_HAS_STRNLEN_USER !! 9 select HAVE_OPROFILE
14 select HAVE_ARCH_AUDITSYSCALL !! 10 select HAVE_PCSPKR_PLATFORM
15 select HAVE_ARCH_KASAN if X86_64 !! 11 select HAVE_PERF_EVENTS
16 select HAVE_ARCH_KASAN_VMALLOC if HAVE !! 12 select VIRT_TO_BUS
17 select HAVE_ARCH_SECCOMP_FILTER !! 13 select GENERIC_IRQ_PROBE
18 select HAVE_ASM_MODVERSIONS !! 14 select AUTO_IRQ_AFFINITY if SMP
19 select HAVE_UID16 <<
20 select HAVE_DEBUG_KMEMLEAK <<
21 select HAVE_DEBUG_BUGVERBOSE <<
22 select HAVE_PAGE_SIZE_4KB <<
23 select NO_DMA if !UML_DMA_EMULATION <<
24 select OF_EARLY_FLATTREE if OF <<
25 select GENERIC_IRQ_SHOW 15 select GENERIC_IRQ_SHOW
26 select GENERIC_CPU_DEVICES !! 16 select ARCH_WANT_IPC_PARSE_VERSION
27 select HAVE_GCC_PLUGINS !! 17 select ARCH_HAVE_NMI_SAFE_CMPXCHG
28 select ARCH_SUPPORTS_LTO_CLANG !! 18 select AUDIT_ARCH
29 select ARCH_SUPPORTS_LTO_CLANG_THIN !! 19 select GENERIC_CLOCKEVENTS
30 select TRACE_IRQFLAGS_SUPPORT !! 20 select GENERIC_SMP_IDLE_THREAD
31 select TTY # Needed for line.c !! 21 select GENERIC_STRNCPY_FROM_USER
32 select HAVE_ARCH_VMAP_STACK !! 22 select GENERIC_STRNLEN_USER
33 select HAVE_RUST !! 23 select HAVE_ARCH_AUDITSYSCALL
34 select ARCH_HAS_UBSAN !! 24 select HAVE_MOD_ARCH_SPECIFIC
>> 25 select MODULES_USE_ELF_RELA
>> 26 select ODD_RT_SIGACTION
>> 27 select OLD_SIGSUSPEND
>> 28 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
>> 29 help
>> 30 The Alpha is a 64-bit general-purpose processor designed and
>> 31 marketed by the Digital Equipment Corporation of blessed memory,
>> 32 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 33 <http://www.alphalinux.org/>.
>> 34
>> 35 config 64BIT
>> 36 def_bool y
35 37
36 config MMU 38 config MMU
37 bool 39 bool
38 default y 40 default y
39 41
40 config UML_DMA_EMULATION !! 42 config RWSEM_GENERIC_SPINLOCK
41 bool 43 bool
42 44
43 config NO_IOMEM !! 45 config RWSEM_XCHGADD_ALGORITHM
44 bool "disable IOMEM" if EXPERT !! 46 bool
45 depends on !INDIRECT_IOMEM <<
46 default y 47 default y
47 48
48 config UML_IOMEM_EMULATION !! 49 config ARCH_HAS_ILOG2_U32
49 bool 50 bool
50 select INDIRECT_IOMEM !! 51 default n
51 select HAS_IOPORT !! 52
52 select GENERIC_PCI_IOMAP !! 53 config ARCH_HAS_ILOG2_U64
53 select GENERIC_IOMAP !! 54 bool
54 select NO_GENERIC_PCI_IOPORT_MAP !! 55 default n
>> 56
>> 57 config GENERIC_CALIBRATE_DELAY
>> 58 bool
>> 59 default y
>> 60
>> 61 config ZONE_DMA
>> 62 bool
>> 63 default y
>> 64
>> 65 config ARCH_DMA_ADDR_T_64BIT
>> 66 def_bool y
>> 67
>> 68 config NEED_DMA_MAP_STATE
>> 69 def_bool y
>> 70
>> 71 config NEED_SG_DMA_LENGTH
>> 72 def_bool y
>> 73
>> 74 config GENERIC_ISA_DMA
>> 75 bool
>> 76 default y
>> 77
>> 78 config PGTABLE_LEVELS
>> 79 int
>> 80 default 3
>> 81
>> 82 source "init/Kconfig"
>> 83 source "kernel/Kconfig.freezer"
>> 84
>> 85 config AUDIT_ARCH
>> 86 bool
>> 87
>> 88 menu "System setup"
>> 89
>> 90 choice
>> 91 prompt "Alpha system type"
>> 92 default ALPHA_GENERIC
>> 93 ---help---
>> 94 This is the system type of your hardware. A "generic" kernel will
>> 95 run on any supported Alpha system. However, if you configure a
>> 96 kernel for your specific system, it will be faster and smaller.
>> 97
>> 98 To find out what type of Alpha system you have, you may want to
>> 99 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 100 <http://www.alphalinux.org/>. In summary:
>> 101
>> 102 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 103 Alpha-XL XL-233, XL-266
>> 104 AlphaBook1 Alpha laptop
>> 105 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 106 Cabriolet AlphaPC64, AlphaPCI64
>> 107 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 108 EB164 EB164 21164 evaluation board
>> 109 EB64+ EB64+ 21064 evaluation board
>> 110 EB66 EB66 21066 evaluation board
>> 111 EB66+ EB66+ 21066 evaluation board
>> 112 Jensen DECpc 150, DEC 2000 models 300, 500
>> 113 LX164 AlphaPC164-LX
>> 114 Lynx AS 2100A
>> 115 Miata Personal Workstation 433/500/600 a/au
>> 116 Marvel AlphaServer ES47 / ES80 / GS1280
>> 117 Mikasa AS 1000
>> 118 Noname AXPpci33, UDB (Multia)
>> 119 Noritake AS 1000A, AS 600A, AS 800
>> 120 PC164 AlphaPC164
>> 121 Rawhide AS 1200, AS 4000, AS 4100
>> 122 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 123 SX164 AlphaPC164-SX
>> 124 Sable AS 2000, AS 2100
>> 125 Shark DS 20L
>> 126 Takara Takara (OEM)
>> 127 Titan AlphaServer ES45 / DS25 / DS15
>> 128 Wildfire AlphaServer GS 40/80/160/320
>> 129
>> 130 If you don't know what to do, choose "generic".
>> 131
>> 132 config ALPHA_GENERIC
>> 133 bool "Generic"
>> 134 depends on TTY
>> 135 help
>> 136 A generic kernel will run on all supported Alpha hardware.
>> 137
>> 138 config ALPHA_ALCOR
>> 139 bool "Alcor/Alpha-XLT"
>> 140 help
>> 141 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 142 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 143 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 144 controller (256-bit memory bus) and a PCI interface. It also does
>> 145 all the work required to support an external Bcache and to maintain
>> 146 memory coherence when a PCI device DMAs into (or out of) memory.
>> 147
>> 148 config ALPHA_XL
>> 149 bool "Alpha-XL"
>> 150 help
>> 151 XL-233 and XL-266-based Alpha systems.
>> 152
>> 153 config ALPHA_BOOK1
>> 154 bool "AlphaBook1"
>> 155 help
>> 156 Dec AlphaBook1/Burns Alpha-based laptops.
>> 157
>> 158 config ALPHA_AVANTI_CH
>> 159 bool "Avanti"
>> 160
>> 161 config ALPHA_CABRIOLET
>> 162 bool "Cabriolet"
>> 163 help
>> 164 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 165 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 166 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 167 Bcache SIMMs. Requires power supply with 3.3V output.
>> 168
>> 169 config ALPHA_DP264
>> 170 bool "DP264"
>> 171 help
>> 172 Various 21264 systems with the tsunami core logic chipset.
>> 173 API Networks: 264DP, UP2000(+), CS20;
>> 174 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
>> 175
>> 176 config ALPHA_EB164
>> 177 bool "EB164"
>> 178 help
>> 179 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 180 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 181 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 182 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 183 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 184 motherboard. Requires power supply with 3.3V output.
>> 185
>> 186 config ALPHA_EB64P_CH
>> 187 bool "EB64+"
>> 188
>> 189 config ALPHA_EB66
>> 190 bool "EB66"
>> 191 help
>> 192 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 193 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 194 supply. The EB66 schematic was published as a marketing poster
>> 195 advertising the 21066 as "the first microprocessor in the world with
>> 196 embedded PCI".
>> 197
>> 198 config ALPHA_EB66P
>> 199 bool "EB66+"
>> 200 help
>> 201 Later variant of the EB66 board.
>> 202
>> 203 config ALPHA_EIGER
>> 204 bool "Eiger"
>> 205 help
>> 206 Apparently an obscure OEM single-board computer based on the
>> 207 Typhoon/Tsunami chipset family. Information on it is scanty.
>> 208
>> 209 config ALPHA_JENSEN
>> 210 bool "Jensen"
>> 211 help
>> 212 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 213 of the first-generation Alpha systems. A number of these systems
>> 214 seem to be available on the second- hand market. The Jensen is a
>> 215 floor-standing tower system which originally used a 150MHz 21064 It
>> 216 used programmable logic to interface a 486 EISA I/O bridge to the
>> 217 CPU.
>> 218
>> 219 config ALPHA_LX164
>> 220 bool "LX164"
>> 221 help
>> 222 A technical overview of this board is available at
>> 223 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
>> 224
>> 225 config ALPHA_LYNX
>> 226 bool "Lynx"
>> 227 help
>> 228 AlphaServer 2100A-based systems.
>> 229
>> 230 config ALPHA_MARVEL
>> 231 bool "Marvel"
>> 232 help
>> 233 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 234
>> 235 config ALPHA_MIATA
>> 236 bool "Miata"
>> 237 help
>> 238 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 239 or 600au).
>> 240
>> 241 config ALPHA_MIKASA
>> 242 bool "Mikasa"
>> 243 help
>> 244 AlphaServer 1000-based Alpha systems.
>> 245
>> 246 config ALPHA_NAUTILUS
>> 247 bool "Nautilus"
>> 248 help
>> 249 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 250
>> 251 config ALPHA_NONAME_CH
>> 252 bool "Noname"
>> 253
>> 254 config ALPHA_NORITAKE
>> 255 bool "Noritake"
>> 256 help
>> 257 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 258 systems.
>> 259
>> 260 config ALPHA_PC164
>> 261 bool "PC164"
>> 262
>> 263 config ALPHA_P2K
>> 264 bool "Platform2000"
>> 265
>> 266 config ALPHA_RAWHIDE
>> 267 bool "Rawhide"
>> 268 help
>> 269 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 270 See HOWTO at
>> 271 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
>> 272
>> 273 config ALPHA_RUFFIAN
>> 274 bool "Ruffian"
>> 275 help
>> 276 Samsung APC164UX. There is a page on known problems and workarounds
>> 277 at <http://www.alphalinux.org/faq/FAQ-11.html>.
>> 278
>> 279 config ALPHA_RX164
>> 280 bool "RX164"
>> 281
>> 282 config ALPHA_SX164
>> 283 bool "SX164"
>> 284
>> 285 config ALPHA_SABLE
>> 286 bool "Sable"
>> 287 help
>> 288 Digital AlphaServer 2000 and 2100-based systems.
>> 289
>> 290 config ALPHA_SHARK
>> 291 bool "Shark"
>> 292
>> 293 config ALPHA_TAKARA
>> 294 bool "Takara"
>> 295 help
>> 296 Alpha 11164-based OEM single-board computer.
>> 297
>> 298 config ALPHA_TITAN
>> 299 bool "Titan"
>> 300 help
>> 301 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 302
>> 303 config ALPHA_WILDFIRE
>> 304 bool "Wildfire"
>> 305 help
>> 306 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
55 307
56 config NO_IOPORT_MAP !! 308 endchoice
57 def_bool !UML_IOMEM_EMULATION <<
58 309
>> 310 # clear all implied options (don't want default values for those):
>> 311 # Most of these machines have ISA slots; not exactly sure which don't,
>> 312 # and this doesn't activate hordes of code, so do it always.
59 config ISA 313 config ISA
60 bool 314 bool
>> 315 default y
>> 316 help
>> 317 Find out whether you have ISA slots on your motherboard. ISA is the
>> 318 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 319 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 320 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 321 newer boards don't support it. If you have ISA, say Y, otherwise N.
61 322
62 config SBUS !! 323 config ISA_DMA_API
63 bool 324 bool
>> 325 default y
64 326
65 config LOCKDEP_SUPPORT !! 327 config PCI
66 bool 328 bool
>> 329 depends on !ALPHA_JENSEN
>> 330 select GENERIC_PCI_IOMAP
67 default y 331 default y
>> 332 help
>> 333 Find out whether you have a PCI motherboard. PCI is the name of a
>> 334 bus system, i.e. the way the CPU talks to the other stuff inside
>> 335 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 336 VESA. If you have PCI, say Y, otherwise N.
68 337
69 config STACKTRACE_SUPPORT !! 338 config PCI_DOMAINS
70 bool 339 bool
71 default y 340 default y
72 select STACKTRACE <<
73 341
74 config GENERIC_CALIBRATE_DELAY !! 342 config PCI_SYSCALL
>> 343 def_bool PCI
>> 344
>> 345 config IOMMU_HELPER
>> 346 def_bool PCI
>> 347
>> 348 config ALPHA_NONAME
75 bool 349 bool
>> 350 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
76 default y 351 default y
>> 352 help
>> 353 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 354 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 355 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 356 is a baby-AT size, and runs from a standard PC power supply. It has
>> 357 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 358 2 versions, with either PS/2 or large DIN connectors for the
>> 359 keyboard.
77 360
78 config HZ !! 361 config ALPHA_EV4
79 int !! 362 bool
80 default 100 !! 363 depends on ALPHA_JENSEN || (ALPHA_SABLE && !ALPHA_GAMMA) || ALPHA_LYNX || ALPHA_NORITAKE && !ALPHA_PRIMO || ALPHA_MIKASA && !ALPHA_PRIMO || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL || ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 364 default y if !ALPHA_LYNX
81 365
82 config NR_CPUS !! 366 config ALPHA_LCA
83 int !! 367 bool
84 range 1 1 !! 368 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
85 default 1 !! 369 default y
86 370
87 config ARCH_HAS_CACHE_LINE_SIZE !! 371 config ALPHA_APECS
88 def_bool y !! 372 bool
>> 373 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 374 default y
>> 375
>> 376 config ALPHA_EB64P
>> 377 bool
>> 378 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 379 default y
>> 380 help
>> 381 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 382 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 383 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 384 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 385 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 386 Runs from standard PC power supply.
>> 387
>> 388 config ALPHA_EV5
>> 389 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 390 default y if ALPHA_RX164 || ALPHA_RAWHIDE || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_SABLE && ALPHA_GAMMA || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
89 391
90 source "arch/$(HEADER_ARCH)/um/Kconfig" !! 392 config ALPHA_EV4
>> 393 bool
>> 394 default y if ALPHA_LYNX && !ALPHA_EV5
91 395
92 config MAY_HAVE_RUNTIME_DEPS !! 396 config ALPHA_CIA
93 bool 397 bool
>> 398 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
>> 399 default y
94 400
95 config STATIC_LINK !! 401 config ALPHA_EV56
96 bool "Force a static link" !! 402 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
97 depends on CC_CAN_LINK_STATIC_NO_RUNTI !! 403 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 404
>> 405 config ALPHA_EV56
>> 406 prompt "EV56 CPU (speed >= 333MHz)?"
>> 407 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 408
>> 409 config ALPHA_EV56
>> 410 prompt "EV56 CPU (speed >= 400MHz)?"
>> 411 depends on ALPHA_RAWHIDE
>> 412
>> 413 config ALPHA_PRIMO
>> 414 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 415 depends on ALPHA_NORITAKE || ALPHA_MIKASA
98 help 416 help
99 This option gives you the ability to !! 417 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
100 Normally, UML is linked as a shared <<
101 use in a chroot jail. So, if you in <<
102 you probably want to say Y here. <<
103 Additionally, this option enables us <<
104 2.75G) for UML. <<
105 418
106 NOTE: This option is incompatible wi !! 419 config ALPHA_GAMMA
107 depend on features that require bein !! 420 bool "EV5 CPU(s) (model 5/xxx)?"
>> 421 depends on ALPHA_SABLE
>> 422 help
>> 423 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 424
>> 425 config ALPHA_GAMMA
>> 426 bool
>> 427 depends on ALPHA_LYNX
>> 428 default y
>> 429
>> 430 config ALPHA_T2
>> 431 bool
>> 432 depends on ALPHA_SABLE || ALPHA_LYNX
>> 433 default y
108 434
109 config LD_SCRIPT_STATIC !! 435 config ALPHA_PYXIS
110 bool 436 bool
>> 437 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
111 default y 438 default y
112 depends on STATIC_LINK <<
113 439
114 config LD_SCRIPT_DYN !! 440 config ALPHA_EV6
115 bool 441 bool
>> 442 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
116 default y 443 default y
117 depends on !LD_SCRIPT_STATIC <<
118 444
119 config LD_SCRIPT_DYN_RPATH !! 445 config ALPHA_TSUNAMI
120 bool "set rpath in the binary" if EXPE !! 446 bool
>> 447 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
121 default y 448 default y
122 depends on LD_SCRIPT_DYN !! 449
>> 450 config ALPHA_EV67
>> 451 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 452 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
123 help 453 help
124 Add /lib (and /lib64 for 64-bit) to !! 454 Is this a machine based on the EV67 core? If in doubt, select N here
125 explicitly. !! 455 and the machine will be treated as an EV6.
>> 456
>> 457 config ALPHA_MCPCIA
>> 458 bool
>> 459 depends on ALPHA_RAWHIDE
>> 460 default y
126 461
127 You may need to turn this off if com !! 462 config ALPHA_POLARIS
128 that have their libraries in random !! 463 bool
129 might otherwise unexpected use libra !! 464 depends on ALPHA_RX164
130 instead of the desired ones. !! 465 default y
>> 466
>> 467 config ALPHA_IRONGATE
>> 468 bool
>> 469 depends on ALPHA_NAUTILUS
>> 470 default y
131 471
132 config HOSTFS !! 472 config GENERIC_HWEIGHT
133 tristate "Host filesystem" !! 473 bool
>> 474 default y if !ALPHA_EV67
>> 475
>> 476 config ALPHA_AVANTI
>> 477 bool
>> 478 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 479 default y
134 help 480 help
135 While the User-Mode Linux port uses !! 481 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
136 booting and normal file access, this !! 482 Alphas. Info at
137 access files stored on the host. It !! 483 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
138 network connection between the Host <<
139 this might be: <<
140 484
141 mount none /tmp/fromhost -t hostfs - !! 485 config ALPHA_BROKEN_IRQ_MASK
>> 486 bool
>> 487 depends on ALPHA_GENERIC || ALPHA_PC164
>> 488 default y
142 489
143 where /tmp/fromhost is an empty dire !! 490 config VGA_HOSE
144 /tmp/umlshare is a directory on the !! 491 bool
145 wishes to access. !! 492 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 493 default y
>> 494 help
>> 495 Support VGA on an arbitrary hose; needed for several platforms
>> 496 which always have multiple hoses, and whose consoles support it.
146 497
147 For more information, see <<
148 <http://user-mode-linux.sourceforge. <<
149 498
150 If you'd like to be able to work wit !! 499 config ALPHA_QEMU
151 say Y or M here; otherwise say N. !! 500 bool "Run under QEMU emulation"
>> 501 depends on !ALPHA_GENERIC
>> 502 ---help---
>> 503 Assume the presence of special features supported by QEMU PALcode
>> 504 that reduce the overhead of system emulation.
>> 505
>> 506 Generic kernels will auto-detect QEMU. But when building a
>> 507 system-specific kernel, the assumption is that we want to
>> 508 elimiate as many runtime tests as possible.
>> 509
>> 510 If unsure, say N.
>> 511
>> 512
>> 513 config ALPHA_SRM
>> 514 bool "Use SRM as bootloader" if ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_NAUTILUS || ALPHA_NONAME
>> 515 depends on TTY
>> 516 default y if ALPHA_JENSEN || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_DP264 || ALPHA_RAWHIDE || ALPHA_EIGER || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 517 ---help---
>> 518 There are two different types of booting firmware on Alphas: SRM,
>> 519 which is command line driven, and ARC, which uses menus and arrow
>> 520 keys. Details about the Linux/Alpha booting process are contained in
>> 521 the Linux/Alpha FAQ, accessible on the WWW from
>> 522 <http://www.alphalinux.org/>.
>> 523
>> 524 The usual way to load Linux on an Alpha machine is to use MILO
>> 525 (a bootloader that lets you pass command line parameters to the
>> 526 kernel just like lilo does for the x86 architecture) which can be
>> 527 loaded either from ARC or can be installed directly as a permanent
>> 528 firmware replacement from floppy (which requires changing a certain
>> 529 jumper on the motherboard). If you want to do either of these, say N
>> 530 here. If MILO doesn't work on your system (true for Jensen
>> 531 motherboards), you can bypass it altogether and boot Linux directly
>> 532 from an SRM console; say Y here in order to do that. Note that you
>> 533 won't be able to boot from an IDE disk using SRM.
152 534
153 config MCONSOLE !! 535 If unsure, say N.
154 bool "Management console" !! 536
155 depends on PROC_FS !! 537 config EISA
>> 538 bool
>> 539 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
156 default y 540 default y
>> 541
>> 542 config ARCH_MAY_HAVE_PC_FDC
>> 543 def_bool y
>> 544
>> 545 config SMP
>> 546 bool "Symmetric multi-processing support"
>> 547 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 548 ---help---
>> 549 This enables support for systems with more than one CPU. If you have
>> 550 a system with only one CPU, say N. If you have a system with more
>> 551 than one CPU, say Y.
>> 552
>> 553 If you say N here, the kernel will run on uni- and multiprocessor
>> 554 machines, but will use only one CPU of a multiprocessor machine. If
>> 555 you say Y here, the kernel will run on many, but not all,
>> 556 uniprocessor machines. On a uniprocessor machine, the kernel
>> 557 will run faster if you say N here.
>> 558
>> 559 See also the SMP-HOWTO available at
>> 560 <http://www.tldp.org/docs.html#howto>.
>> 561
>> 562 If you don't know what to do here, say N.
>> 563
>> 564 config HAVE_DEC_LOCK
>> 565 bool
>> 566 depends on SMP
>> 567 default y
>> 568
>> 569 config NR_CPUS
>> 570 int "Maximum number of CPUs (2-32)"
>> 571 range 2 32
>> 572 depends on SMP
>> 573 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 574 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
157 help 575 help
158 The user mode linux management conso !! 576 MARVEL support can handle a maximum of 32 CPUs, all the others
159 the kernel, somewhat like the i386 S !! 577 with working support have a maximum of 4 CPUs.
160 a full-blown operating system runnin <<
161 instance, there is much greater flex <<
162 SysRq mechanism. <<
163 <<
164 If you answer 'Y' to this option, to <<
165 mconsole client (called uml_mconsole <<
166 2.4.5-9um and later (path /tools/mco <<
167 distribution RPM package in 2.4.6 an <<
168 <<
169 It is safe to say 'Y' here. <<
170 <<
171 config MAGIC_SYSRQ <<
172 bool "Magic SysRq key" <<
173 depends on MCONSOLE <<
174 help <<
175 If you say Y here, you will have som <<
176 if the system crashes for example du <<
177 will be able to flush the buffer cac <<
178 immediately or dump some status info <<
179 possible requests is provided. <<
180 <<
181 This is the feature normally accompl <<
182 while holding SysRq (Alt+PrintScreen <<
183 <<
184 On UML, this is accomplished by send <<
185 mconsole, followed by the letter for <<
186 <<
187 The keys are documented in <file:Doc <<
188 unless you really know what this hac <<
189 <<
190 config KERNEL_STACK_ORDER <<
191 int "Kernel stack size order" <<
192 default 2 if 64BIT <<
193 range 2 10 if 64BIT <<
194 default 1 if !64BIT <<
195 help <<
196 This option determines the size of U <<
197 be 1 << order pages. The default is <<
198 on UML, in which case, set this to 3 <<
199 It is possible to reduce the stack t <<
200 older (pre-2017) CPUs. It is not rec <<
201 increase in the size of the state wh <<
202 signals. <<
203 578
204 config MMAPPER !! 579 config ARCH_DISCONTIGMEM_ENABLE
205 tristate "iomem emulation driver" !! 580 bool "Discontiguous Memory Support"
206 help 581 help
207 This driver allows a host file to be !! 582 Say Y to support efficient handling of discontiguous physical memory,
208 UML. !! 583 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 584 or have huge holes in the physical address space for other reasons.
>> 585 See <file:Documentation/vm/numa> for more.
>> 586
>> 587 source "mm/Kconfig"
>> 588
>> 589 config NUMA
>> 590 bool "NUMA Support (EXPERIMENTAL)"
>> 591 depends on DISCONTIGMEM && BROKEN
>> 592 help
>> 593 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 594 Access). This option is for configuring high-end multiprocessor
>> 595 server machines. If in doubt, say N.
>> 596
>> 597 config ALPHA_WTINT
>> 598 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 599 default y if ALPHA_QEMU
>> 600 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 601 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 602 default y if SMP
>> 603 ---help---
>> 604 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 605 to sleep until the next interrupt. This may reduce the power
>> 606 consumed, and the heat produced by the computer. However, it has
>> 607 the side effect of making the cycle counter unreliable as a timing
>> 608 device across the sleep.
>> 609
>> 610 For emulation under QEMU, definitely say Y here, as we have other
>> 611 mechanisms for measuring time than the cycle counter.
>> 612
>> 613 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 614 MILO, sleep mode is not supported so you might as well say N here.
209 615
210 config PGTABLE_LEVELS !! 616 For SMP systems we cannot use the cycle counter for timing anyway,
>> 617 so you might as well say Y here.
>> 618
>> 619 If unsure, say N.
>> 620
>> 621 config NODES_SHIFT
211 int 622 int
212 default 3 if 3_LEVEL_PGTABLES !! 623 default "7"
213 default 2 !! 624 depends on NEED_MULTIPLE_NODES
214 625
215 config UML_TIME_TRAVEL_SUPPORT !! 626 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 627 config ALPHA_LARGE_VMALLOC
216 bool 628 bool
217 prompt "Support time-travel mode (e.g. !! 629 ---help---
218 # inf-cpu mode is incompatible with th !! 630 Process creation and other aspects of virtual memory management can
219 depends on !RAID6_PQ_BENCHMARK !! 631 be streamlined if we restrict the kernel to one PGD for all vmalloc
220 depends on !SMP !! 632 allocations. This equates to about 8GB.
221 help !! 633
222 Enable this option to support time t !! 634 Under normal circumstances, this is so far and above what is needed
223 !! 635 as to be laughable. However, there are certain applications (such
224 After enabling this option, two mode !! 636 as benchmark-grade in-kernel web serving) that can make use of as
225 (selected by the kernel command line !! 637 much vmalloc space as is available.
226 line help for more details. !! 638
227 !! 639 Say N unless you know you need gobs and gobs of vmalloc space.
228 It is safe to say Y, but you probabl !! 640
229 !! 641 config VERBOSE_MCHECK
230 config KASAN_SHADOW_OFFSET !! 642 bool "Verbose Machine Checks"
231 hex !! 643
232 depends on KASAN !! 644 config VERBOSE_MCHECK_ON
233 default 0x100000000000 !! 645 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
234 help !! 646 depends on VERBOSE_MCHECK
235 This is the offset at which the ~16T !! 647 default 1
236 mapped and used by KASAN for memory !! 648 ---help---
237 address that has at least KASAN_SHAD !! 649 This option allows the default printing mode to be set, and then
238 by 8) amount of space so that the KA !! 650 possibly overridden by a boot command argument.
239 with anything. The default is 0x1000 !! 651
240 set to a large value. On low-memory !! 652 For example, if one wanted the option of printing verbose
241 into the immediate of most instructi !! 653 machine checks, but wanted the default to be as if verbose
>> 654 machine check printing was turned off, then one would choose
>> 655 the printing mode to be 0. Then, upon reboot, one could add
>> 656 the boot command line "verbose_mcheck=1" to get the normal
>> 657 verbose machine check printing, or "verbose_mcheck=2" to get
>> 658 the maximum information available.
>> 659
>> 660 Take the default (1) unless you want more control or more info.
>> 661
>> 662 choice
>> 663 prompt "Timer interrupt frequency (HZ)?"
>> 664 default HZ_128 if ALPHA_QEMU
>> 665 default HZ_1200 if ALPHA_RAWHIDE
>> 666 default HZ_1024
>> 667 ---help---
>> 668 The frequency at which timer interrupts occur. A high frequency
>> 669 minimizes latency, whereas a low frequency minimizes overhead of
>> 670 process accounting. The later effect is especially significant
>> 671 when being run under QEMU.
>> 672
>> 673 Note that some Alpha hardware cannot change the interrupt frequency
>> 674 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 675
>> 676 config HZ_32
>> 677 bool "32 Hz"
>> 678 config HZ_64
>> 679 bool "64 Hz"
>> 680 config HZ_128
>> 681 bool "128 Hz"
>> 682 config HZ_256
>> 683 bool "256 Hz"
>> 684 config HZ_1024
>> 685 bool "1024 Hz"
>> 686 config HZ_1200
>> 687 bool "1200 Hz"
>> 688 endchoice
242 689
243 endmenu !! 690 config HZ
>> 691 int
>> 692 default 32 if HZ_32
>> 693 default 64 if HZ_64
>> 694 default 128 if HZ_128
>> 695 default 256 if HZ_256
>> 696 default 1200 if HZ_1200
>> 697 default 1024
244 698
245 source "arch/um/drivers/Kconfig" !! 699 source "drivers/pci/Kconfig"
>> 700 source "drivers/eisa/Kconfig"
246 701
247 config ARCH_SUSPEND_POSSIBLE !! 702 source "drivers/pcmcia/Kconfig"
248 def_bool y <<
249 703
250 menu "Power management options" !! 704 config SRM_ENV
>> 705 tristate "SRM environment through procfs"
>> 706 depends on PROC_FS
>> 707 ---help---
>> 708 If you enable this option, a subdirectory inside /proc called
>> 709 /proc/srm_environment will give you access to the all important
>> 710 SRM environment variables (those which have a name) and also
>> 711 to all others (by their internal number).
>> 712
>> 713 SRM is something like a BIOS for Alpha machines. There are some
>> 714 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 715 support (hey, that's not SRM!).
>> 716
>> 717 Despite the fact that this driver doesn't work on all Alphas (but
>> 718 only on those which have SRM as their firmware), it's save to
>> 719 build it even if your particular machine doesn't know about SRM
>> 720 (or if you intend to compile a generic kernel). It will simply
>> 721 not create those subdirectory in /proc (and give you some warning,
>> 722 of course).
251 723
252 source "kernel/power/Kconfig" !! 724 This driver is also available as a module and will be called
>> 725 srm_env then.
>> 726
>> 727 source "fs/Kconfig.binfmt"
253 728
254 endmenu 729 endmenu
>> 730
>> 731 source "net/Kconfig"
>> 732
>> 733 source "drivers/Kconfig"
>> 734
>> 735 source "fs/Kconfig"
>> 736
>> 737 source "arch/alpha/Kconfig.debug"
>> 738
>> 739 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 740 # but we also need it if VGA_HOSE is set
>> 741 config DUMMY_CONSOLE
>> 742 bool
>> 743 depends on VGA_HOSE
>> 744 default y
>> 745
>> 746 source "security/Kconfig"
>> 747
>> 748 source "crypto/Kconfig"
>> 749
>> 750 source "lib/Kconfig"
>> 751
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