1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 !! 2 config ALPHA
3 menu "UML-specific options" <<
4 <<
5 config UML <<
6 bool 3 bool
7 default y 4 default y
8 select ARCH_HAS_CPU_FINALIZE_INIT !! 5 select ARCH_MIGHT_HAVE_PC_PARPORT
9 select ARCH_HAS_FORTIFY_SOURCE !! 6 select ARCH_MIGHT_HAVE_PC_SERIO
10 select ARCH_HAS_GCOV_PROFILE_ALL !! 7 select ARCH_USE_CMPXCHG_LOCKREF
11 select ARCH_HAS_KCOV !! 8 select HAVE_AOUT
12 select ARCH_HAS_STRNCPY_FROM_USER !! 9 select HAVE_IDE
13 select ARCH_HAS_STRNLEN_USER !! 10 select HAVE_OPROFILE
14 select HAVE_ARCH_AUDITSYSCALL !! 11 select HAVE_PCSPKR_PLATFORM
15 select HAVE_ARCH_KASAN if X86_64 !! 12 select HAVE_PERF_EVENTS
16 select HAVE_ARCH_KASAN_VMALLOC if HAVE !! 13 select VIRT_TO_BUS
17 select HAVE_ARCH_SECCOMP_FILTER !! 14 select GENERIC_IRQ_PROBE
18 select HAVE_ASM_MODVERSIONS !! 15 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 16 select GENERIC_IRQ_SHOW
26 select GENERIC_CPU_DEVICES !! 17 select ARCH_WANT_IPC_PARSE_VERSION
27 select HAVE_GCC_PLUGINS !! 18 select ARCH_HAVE_NMI_SAFE_CMPXCHG
28 select ARCH_SUPPORTS_LTO_CLANG !! 19 select AUDIT_ARCH
29 select ARCH_SUPPORTS_LTO_CLANG_THIN !! 20 select GENERIC_CLOCKEVENTS
30 select TRACE_IRQFLAGS_SUPPORT !! 21 select GENERIC_SMP_IDLE_THREAD
31 select TTY # Needed for line.c !! 22 select GENERIC_STRNCPY_FROM_USER
32 select HAVE_ARCH_VMAP_STACK !! 23 select GENERIC_STRNLEN_USER
33 select HAVE_RUST !! 24 select HAVE_ARCH_AUDITSYSCALL
34 select ARCH_HAS_UBSAN !! 25 select HAVE_MOD_ARCH_SPECIFIC
>> 26 select MODULES_USE_ELF_RELA
>> 27 select ODD_RT_SIGACTION
>> 28 select OLD_SIGSUSPEND
>> 29 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
>> 30 help
>> 31 The Alpha is a 64-bit general-purpose processor designed and
>> 32 marketed by the Digital Equipment Corporation of blessed memory,
>> 33 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 34 <http://www.alphalinux.org/>.
>> 35
>> 36 config 64BIT
>> 37 def_bool y
35 38
36 config MMU 39 config MMU
37 bool 40 bool
38 default y 41 default y
39 42
40 config UML_DMA_EMULATION !! 43 config RWSEM_GENERIC_SPINLOCK
41 bool 44 bool
42 45
43 config NO_IOMEM !! 46 config RWSEM_XCHGADD_ALGORITHM
44 bool "disable IOMEM" if EXPERT !! 47 bool
45 depends on !INDIRECT_IOMEM <<
46 default y 48 default y
47 49
48 config UML_IOMEM_EMULATION !! 50 config ARCH_HAS_ILOG2_U32
49 bool 51 bool
50 select INDIRECT_IOMEM !! 52 default n
51 select HAS_IOPORT !! 53
52 select GENERIC_PCI_IOMAP !! 54 config ARCH_HAS_ILOG2_U64
53 select GENERIC_IOMAP !! 55 bool
54 select NO_GENERIC_PCI_IOPORT_MAP !! 56 default n
>> 57
>> 58 config GENERIC_CALIBRATE_DELAY
>> 59 bool
>> 60 default y
>> 61
>> 62 config ZONE_DMA
>> 63 bool
>> 64 default y
>> 65
>> 66 config ARCH_DMA_ADDR_T_64BIT
>> 67 def_bool y
>> 68
>> 69 config NEED_DMA_MAP_STATE
>> 70 def_bool y
>> 71
>> 72 config NEED_SG_DMA_LENGTH
>> 73 def_bool y
>> 74
>> 75 config GENERIC_ISA_DMA
>> 76 bool
>> 77 default y
>> 78
>> 79 config PGTABLE_LEVELS
>> 80 int
>> 81 default 3
>> 82
>> 83 source "init/Kconfig"
>> 84 source "kernel/Kconfig.freezer"
>> 85
>> 86 config AUDIT_ARCH
>> 87 bool
>> 88
>> 89 menu "System setup"
>> 90
>> 91 choice
>> 92 prompt "Alpha system type"
>> 93 default ALPHA_GENERIC
>> 94 ---help---
>> 95 This is the system type of your hardware. A "generic" kernel will
>> 96 run on any supported Alpha system. However, if you configure a
>> 97 kernel for your specific system, it will be faster and smaller.
>> 98
>> 99 To find out what type of Alpha system you have, you may want to
>> 100 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 101 <http://www.alphalinux.org/>. In summary:
>> 102
>> 103 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 104 Alpha-XL XL-233, XL-266
>> 105 AlphaBook1 Alpha laptop
>> 106 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 107 Cabriolet AlphaPC64, AlphaPCI64
>> 108 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 109 EB164 EB164 21164 evaluation board
>> 110 EB64+ EB64+ 21064 evaluation board
>> 111 EB66 EB66 21066 evaluation board
>> 112 EB66+ EB66+ 21066 evaluation board
>> 113 Jensen DECpc 150, DEC 2000 models 300, 500
>> 114 LX164 AlphaPC164-LX
>> 115 Lynx AS 2100A
>> 116 Miata Personal Workstation 433/500/600 a/au
>> 117 Marvel AlphaServer ES47 / ES80 / GS1280
>> 118 Mikasa AS 1000
>> 119 Noname AXPpci33, UDB (Multia)
>> 120 Noritake AS 1000A, AS 600A, AS 800
>> 121 PC164 AlphaPC164
>> 122 Rawhide AS 1200, AS 4000, AS 4100
>> 123 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 124 SX164 AlphaPC164-SX
>> 125 Sable AS 2000, AS 2100
>> 126 Shark DS 20L
>> 127 Takara Takara (OEM)
>> 128 Titan AlphaServer ES45 / DS25 / DS15
>> 129 Wildfire AlphaServer GS 40/80/160/320
>> 130
>> 131 If you don't know what to do, choose "generic".
>> 132
>> 133 config ALPHA_GENERIC
>> 134 bool "Generic"
>> 135 depends on TTY
>> 136 help
>> 137 A generic kernel will run on all supported Alpha hardware.
>> 138
>> 139 config ALPHA_ALCOR
>> 140 bool "Alcor/Alpha-XLT"
>> 141 help
>> 142 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 143 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 144 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 145 controller (256-bit memory bus) and a PCI interface. It also does
>> 146 all the work required to support an external Bcache and to maintain
>> 147 memory coherence when a PCI device DMAs into (or out of) memory.
>> 148
>> 149 config ALPHA_XL
>> 150 bool "Alpha-XL"
>> 151 help
>> 152 XL-233 and XL-266-based Alpha systems.
>> 153
>> 154 config ALPHA_BOOK1
>> 155 bool "AlphaBook1"
>> 156 help
>> 157 Dec AlphaBook1/Burns Alpha-based laptops.
>> 158
>> 159 config ALPHA_AVANTI_CH
>> 160 bool "Avanti"
>> 161
>> 162 config ALPHA_CABRIOLET
>> 163 bool "Cabriolet"
>> 164 help
>> 165 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 166 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 167 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 168 Bcache SIMMs. Requires power supply with 3.3V output.
>> 169
>> 170 config ALPHA_DP264
>> 171 bool "DP264"
>> 172 help
>> 173 Various 21264 systems with the tsunami core logic chipset.
>> 174 API Networks: 264DP, UP2000(+), CS20;
>> 175 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
>> 176
>> 177 config ALPHA_EB164
>> 178 bool "EB164"
>> 179 help
>> 180 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 181 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 182 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 183 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 184 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 185 motherboard. Requires power supply with 3.3V output.
>> 186
>> 187 config ALPHA_EB64P_CH
>> 188 bool "EB64+"
>> 189
>> 190 config ALPHA_EB66
>> 191 bool "EB66"
>> 192 help
>> 193 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 194 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 195 supply. The EB66 schematic was published as a marketing poster
>> 196 advertising the 21066 as "the first microprocessor in the world with
>> 197 embedded PCI".
>> 198
>> 199 config ALPHA_EB66P
>> 200 bool "EB66+"
>> 201 help
>> 202 Later variant of the EB66 board.
>> 203
>> 204 config ALPHA_EIGER
>> 205 bool "Eiger"
>> 206 help
>> 207 Apparently an obscure OEM single-board computer based on the
>> 208 Typhoon/Tsunami chipset family. Information on it is scanty.
>> 209
>> 210 config ALPHA_JENSEN
>> 211 bool "Jensen"
>> 212 depends on BROKEN
>> 213 help
>> 214 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 215 of the first-generation Alpha systems. A number of these systems
>> 216 seem to be available on the second- hand market. The Jensen is a
>> 217 floor-standing tower system which originally used a 150MHz 21064 It
>> 218 used programmable logic to interface a 486 EISA I/O bridge to the
>> 219 CPU.
>> 220
>> 221 config ALPHA_LX164
>> 222 bool "LX164"
>> 223 help
>> 224 A technical overview of this board is available at
>> 225 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
>> 226
>> 227 config ALPHA_LYNX
>> 228 bool "Lynx"
>> 229 help
>> 230 AlphaServer 2100A-based systems.
>> 231
>> 232 config ALPHA_MARVEL
>> 233 bool "Marvel"
>> 234 help
>> 235 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 236
>> 237 config ALPHA_MIATA
>> 238 bool "Miata"
>> 239 help
>> 240 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 241 or 600au).
>> 242
>> 243 config ALPHA_MIKASA
>> 244 bool "Mikasa"
>> 245 help
>> 246 AlphaServer 1000-based Alpha systems.
>> 247
>> 248 config ALPHA_NAUTILUS
>> 249 bool "Nautilus"
>> 250 help
>> 251 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 252
>> 253 config ALPHA_NONAME_CH
>> 254 bool "Noname"
>> 255
>> 256 config ALPHA_NORITAKE
>> 257 bool "Noritake"
>> 258 help
>> 259 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 260 systems.
>> 261
>> 262 config ALPHA_PC164
>> 263 bool "PC164"
>> 264
>> 265 config ALPHA_P2K
>> 266 bool "Platform2000"
>> 267
>> 268 config ALPHA_RAWHIDE
>> 269 bool "Rawhide"
>> 270 help
>> 271 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 272 See HOWTO at
>> 273 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
>> 274
>> 275 config ALPHA_RUFFIAN
>> 276 bool "Ruffian"
>> 277 help
>> 278 Samsung APC164UX. There is a page on known problems and workarounds
>> 279 at <http://www.alphalinux.org/faq/FAQ-11.html>.
>> 280
>> 281 config ALPHA_RX164
>> 282 bool "RX164"
>> 283
>> 284 config ALPHA_SX164
>> 285 bool "SX164"
>> 286
>> 287 config ALPHA_SABLE
>> 288 bool "Sable"
>> 289 help
>> 290 Digital AlphaServer 2000 and 2100-based systems.
>> 291
>> 292 config ALPHA_SHARK
>> 293 bool "Shark"
>> 294
>> 295 config ALPHA_TAKARA
>> 296 bool "Takara"
>> 297 help
>> 298 Alpha 11164-based OEM single-board computer.
>> 299
>> 300 config ALPHA_TITAN
>> 301 bool "Titan"
>> 302 help
>> 303 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 304
>> 305 config ALPHA_WILDFIRE
>> 306 bool "Wildfire"
>> 307 help
>> 308 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
55 309
56 config NO_IOPORT_MAP !! 310 endchoice
57 def_bool !UML_IOMEM_EMULATION <<
58 311
>> 312 # clear all implied options (don't want default values for those):
>> 313 # Most of these machines have ISA slots; not exactly sure which don't,
>> 314 # and this doesn't activate hordes of code, so do it always.
59 config ISA 315 config ISA
60 bool 316 bool
>> 317 default y
>> 318 help
>> 319 Find out whether you have ISA slots on your motherboard. ISA is the
>> 320 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 321 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 322 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 323 newer boards don't support it. If you have ISA, say Y, otherwise N.
61 324
62 config SBUS !! 325 config ISA_DMA_API
63 bool 326 bool
>> 327 default y
64 328
65 config LOCKDEP_SUPPORT !! 329 config PCI
66 bool 330 bool
>> 331 depends on !ALPHA_JENSEN
>> 332 select GENERIC_PCI_IOMAP
67 default y 333 default y
>> 334 help
>> 335 Find out whether you have a PCI motherboard. PCI is the name of a
>> 336 bus system, i.e. the way the CPU talks to the other stuff inside
>> 337 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 338 VESA. If you have PCI, say Y, otherwise N.
68 339
69 config STACKTRACE_SUPPORT !! 340 config PCI_DOMAINS
70 bool 341 bool
71 default y 342 default y
72 select STACKTRACE <<
73 343
74 config GENERIC_CALIBRATE_DELAY !! 344 config PCI_SYSCALL
>> 345 def_bool PCI
>> 346
>> 347 config IOMMU_HELPER
>> 348 def_bool PCI
>> 349
>> 350 config ALPHA_NONAME
75 bool 351 bool
>> 352 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
76 default y 353 default y
>> 354 help
>> 355 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 356 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 357 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 358 is a baby-AT size, and runs from a standard PC power supply. It has
>> 359 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 360 2 versions, with either PS/2 or large DIN connectors for the
>> 361 keyboard.
77 362
78 config HZ !! 363 config ALPHA_EV4
79 int !! 364 bool
80 default 100 !! 365 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
>> 366 default y if !ALPHA_LYNX
81 367
82 config NR_CPUS !! 368 config ALPHA_LCA
83 int !! 369 bool
84 range 1 1 !! 370 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
85 default 1 !! 371 default y
86 372
87 config ARCH_HAS_CACHE_LINE_SIZE !! 373 config ALPHA_APECS
88 def_bool y !! 374 bool
>> 375 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 376 default y
>> 377
>> 378 config ALPHA_EB64P
>> 379 bool
>> 380 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 381 default y
>> 382 help
>> 383 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 384 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 385 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 386 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 387 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 388 Runs from standard PC power supply.
>> 389
>> 390 config ALPHA_EV5
>> 391 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 392 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
89 393
90 source "arch/$(HEADER_ARCH)/um/Kconfig" !! 394 config ALPHA_EV4
>> 395 bool
>> 396 default y if ALPHA_LYNX && !ALPHA_EV5
91 397
92 config MAY_HAVE_RUNTIME_DEPS !! 398 config ALPHA_CIA
93 bool 399 bool
>> 400 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
>> 401 default y
94 402
95 config STATIC_LINK !! 403 config ALPHA_EV56
96 bool "Force a static link" !! 404 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
97 depends on CC_CAN_LINK_STATIC_NO_RUNTI !! 405 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 406
>> 407 config ALPHA_EV56
>> 408 prompt "EV56 CPU (speed >= 333MHz)?"
>> 409 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 410
>> 411 config ALPHA_EV56
>> 412 prompt "EV56 CPU (speed >= 400MHz)?"
>> 413 depends on ALPHA_RAWHIDE
>> 414
>> 415 config ALPHA_PRIMO
>> 416 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 417 depends on ALPHA_NORITAKE || ALPHA_MIKASA
98 help 418 help
99 This option gives you the ability to !! 419 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. <<
105 420
106 NOTE: This option is incompatible wi !! 421 config ALPHA_GAMMA
107 depend on features that require bein !! 422 bool "EV5 CPU(s) (model 5/xxx)?"
>> 423 depends on ALPHA_SABLE
>> 424 help
>> 425 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 426
>> 427 config ALPHA_GAMMA
>> 428 bool
>> 429 depends on ALPHA_LYNX
>> 430 default y
>> 431
>> 432 config ALPHA_T2
>> 433 bool
>> 434 depends on ALPHA_SABLE || ALPHA_LYNX
>> 435 default y
108 436
109 config LD_SCRIPT_STATIC !! 437 config ALPHA_PYXIS
110 bool 438 bool
>> 439 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
111 default y 440 default y
112 depends on STATIC_LINK <<
113 441
114 config LD_SCRIPT_DYN !! 442 config ALPHA_EV6
115 bool 443 bool
>> 444 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
116 default y 445 default y
117 depends on !LD_SCRIPT_STATIC <<
118 446
119 config LD_SCRIPT_DYN_RPATH !! 447 config ALPHA_TSUNAMI
120 bool "set rpath in the binary" if EXPE !! 448 bool
>> 449 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
121 default y 450 default y
122 depends on LD_SCRIPT_DYN !! 451
>> 452 config ALPHA_EV67
>> 453 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 454 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
123 help 455 help
124 Add /lib (and /lib64 for 64-bit) to !! 456 Is this a machine based on the EV67 core? If in doubt, select N here
125 explicitly. !! 457 and the machine will be treated as an EV6.
>> 458
>> 459 config ALPHA_MCPCIA
>> 460 bool
>> 461 depends on ALPHA_RAWHIDE
>> 462 default y
126 463
127 You may need to turn this off if com !! 464 config ALPHA_POLARIS
128 that have their libraries in random !! 465 bool
129 might otherwise unexpected use libra !! 466 depends on ALPHA_RX164
130 instead of the desired ones. !! 467 default y
>> 468
>> 469 config ALPHA_IRONGATE
>> 470 bool
>> 471 depends on ALPHA_NAUTILUS
>> 472 default y
131 473
132 config HOSTFS !! 474 config GENERIC_HWEIGHT
133 tristate "Host filesystem" !! 475 bool
>> 476 default y if !ALPHA_EV67
>> 477
>> 478 config ALPHA_AVANTI
>> 479 bool
>> 480 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 481 default y
134 help 482 help
135 While the User-Mode Linux port uses !! 483 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
136 booting and normal file access, this !! 484 Alphas. Info at
137 access files stored on the host. It !! 485 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
138 network connection between the Host <<
139 this might be: <<
140 486
141 mount none /tmp/fromhost -t hostfs - !! 487 config ALPHA_BROKEN_IRQ_MASK
>> 488 bool
>> 489 depends on ALPHA_GENERIC || ALPHA_PC164
>> 490 default y
142 491
143 where /tmp/fromhost is an empty dire !! 492 config VGA_HOSE
144 /tmp/umlshare is a directory on the !! 493 bool
145 wishes to access. !! 494 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 495 default y
>> 496 help
>> 497 Support VGA on an arbitrary hose; needed for several platforms
>> 498 which always have multiple hoses, and whose consoles support it.
146 499
147 For more information, see <<
148 <http://user-mode-linux.sourceforge. <<
149 500
150 If you'd like to be able to work wit !! 501 config ALPHA_QEMU
151 say Y or M here; otherwise say N. !! 502 bool "Run under QEMU emulation"
>> 503 depends on !ALPHA_GENERIC
>> 504 ---help---
>> 505 Assume the presence of special features supported by QEMU PALcode
>> 506 that reduce the overhead of system emulation.
>> 507
>> 508 Generic kernels will auto-detect QEMU. But when building a
>> 509 system-specific kernel, the assumption is that we want to
>> 510 eliminate as many runtime tests as possible.
>> 511
>> 512 If unsure, say N.
>> 513
>> 514
>> 515 config ALPHA_SRM
>> 516 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
>> 517 depends on TTY
>> 518 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
>> 519 ---help---
>> 520 There are two different types of booting firmware on Alphas: SRM,
>> 521 which is command line driven, and ARC, which uses menus and arrow
>> 522 keys. Details about the Linux/Alpha booting process are contained in
>> 523 the Linux/Alpha FAQ, accessible on the WWW from
>> 524 <http://www.alphalinux.org/>.
>> 525
>> 526 The usual way to load Linux on an Alpha machine is to use MILO
>> 527 (a bootloader that lets you pass command line parameters to the
>> 528 kernel just like lilo does for the x86 architecture) which can be
>> 529 loaded either from ARC or can be installed directly as a permanent
>> 530 firmware replacement from floppy (which requires changing a certain
>> 531 jumper on the motherboard). If you want to do either of these, say N
>> 532 here. If MILO doesn't work on your system (true for Jensen
>> 533 motherboards), you can bypass it altogether and boot Linux directly
>> 534 from an SRM console; say Y here in order to do that. Note that you
>> 535 won't be able to boot from an IDE disk using SRM.
152 536
153 config MCONSOLE !! 537 If unsure, say N.
154 bool "Management console" !! 538
155 depends on PROC_FS !! 539 config EISA
>> 540 bool
>> 541 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
156 default y 542 default y
>> 543
>> 544 config ARCH_MAY_HAVE_PC_FDC
>> 545 def_bool y
>> 546
>> 547 config SMP
>> 548 bool "Symmetric multi-processing support"
>> 549 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 550 ---help---
>> 551 This enables support for systems with more than one CPU. If you have
>> 552 a system with only one CPU, say N. If you have a system with more
>> 553 than one CPU, say Y.
>> 554
>> 555 If you say N here, the kernel will run on uni- and multiprocessor
>> 556 machines, but will use only one CPU of a multiprocessor machine. If
>> 557 you say Y here, the kernel will run on many, but not all,
>> 558 uniprocessor machines. On a uniprocessor machine, the kernel
>> 559 will run faster if you say N here.
>> 560
>> 561 See also the SMP-HOWTO available at
>> 562 <http://www.tldp.org/docs.html#howto>.
>> 563
>> 564 If you don't know what to do here, say N.
>> 565
>> 566 config HAVE_DEC_LOCK
>> 567 bool
>> 568 depends on SMP
>> 569 default y
>> 570
>> 571 config NR_CPUS
>> 572 int "Maximum number of CPUs (2-32)"
>> 573 range 2 32
>> 574 depends on SMP
>> 575 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 576 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
157 help 577 help
158 The user mode linux management conso !! 578 MARVEL support can handle a maximum of 32 CPUs, all the others
159 the kernel, somewhat like the i386 S !! 579 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. <<
203 580
204 config MMAPPER !! 581 config ARCH_DISCONTIGMEM_ENABLE
205 tristate "iomem emulation driver" !! 582 bool "Discontiguous Memory Support"
206 help 583 help
207 This driver allows a host file to be !! 584 Say Y to support efficient handling of discontiguous physical memory,
208 UML. !! 585 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 586 or have huge holes in the physical address space for other reasons.
>> 587 See <file:Documentation/vm/numa> for more.
>> 588
>> 589 source "mm/Kconfig"
>> 590
>> 591 config NUMA
>> 592 bool "NUMA Support (EXPERIMENTAL)"
>> 593 depends on DISCONTIGMEM && BROKEN
>> 594 help
>> 595 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 596 Access). This option is for configuring high-end multiprocessor
>> 597 server machines. If in doubt, say N.
>> 598
>> 599 config ALPHA_WTINT
>> 600 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 601 default y if ALPHA_QEMU
>> 602 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 603 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 604 default y if SMP
>> 605 ---help---
>> 606 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 607 to sleep until the next interrupt. This may reduce the power
>> 608 consumed, and the heat produced by the computer. However, it has
>> 609 the side effect of making the cycle counter unreliable as a timing
>> 610 device across the sleep.
>> 611
>> 612 For emulation under QEMU, definitely say Y here, as we have other
>> 613 mechanisms for measuring time than the cycle counter.
>> 614
>> 615 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 616 MILO, sleep mode is not supported so you might as well say N here.
209 617
210 config PGTABLE_LEVELS !! 618 For SMP systems we cannot use the cycle counter for timing anyway,
>> 619 so you might as well say Y here.
>> 620
>> 621 If unsure, say N.
>> 622
>> 623 config NODES_SHIFT
211 int 624 int
212 default 3 if 3_LEVEL_PGTABLES !! 625 default "7"
213 default 2 !! 626 depends on NEED_MULTIPLE_NODES
214 627
215 config UML_TIME_TRAVEL_SUPPORT !! 628 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 629 config ALPHA_LARGE_VMALLOC
216 bool 630 bool
217 prompt "Support time-travel mode (e.g. !! 631 ---help---
218 # inf-cpu mode is incompatible with th !! 632 Process creation and other aspects of virtual memory management can
219 depends on !RAID6_PQ_BENCHMARK !! 633 be streamlined if we restrict the kernel to one PGD for all vmalloc
220 depends on !SMP !! 634 allocations. This equates to about 8GB.
221 help !! 635
222 Enable this option to support time t !! 636 Under normal circumstances, this is so far and above what is needed
223 !! 637 as to be laughable. However, there are certain applications (such
224 After enabling this option, two mode !! 638 as benchmark-grade in-kernel web serving) that can make use of as
225 (selected by the kernel command line !! 639 much vmalloc space as is available.
226 line help for more details. !! 640
227 !! 641 Say N unless you know you need gobs and gobs of vmalloc space.
228 It is safe to say Y, but you probabl !! 642
229 !! 643 config VERBOSE_MCHECK
230 config KASAN_SHADOW_OFFSET !! 644 bool "Verbose Machine Checks"
231 hex !! 645
232 depends on KASAN !! 646 config VERBOSE_MCHECK_ON
233 default 0x100000000000 !! 647 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
234 help !! 648 depends on VERBOSE_MCHECK
235 This is the offset at which the ~16T !! 649 default 1
236 mapped and used by KASAN for memory !! 650 ---help---
237 address that has at least KASAN_SHAD !! 651 This option allows the default printing mode to be set, and then
238 by 8) amount of space so that the KA !! 652 possibly overridden by a boot command argument.
239 with anything. The default is 0x1000 !! 653
240 set to a large value. On low-memory !! 654 For example, if one wanted the option of printing verbose
241 into the immediate of most instructi !! 655 machine checks, but wanted the default to be as if verbose
>> 656 machine check printing was turned off, then one would choose
>> 657 the printing mode to be 0. Then, upon reboot, one could add
>> 658 the boot command line "verbose_mcheck=1" to get the normal
>> 659 verbose machine check printing, or "verbose_mcheck=2" to get
>> 660 the maximum information available.
>> 661
>> 662 Take the default (1) unless you want more control or more info.
>> 663
>> 664 choice
>> 665 prompt "Timer interrupt frequency (HZ)?"
>> 666 default HZ_128 if ALPHA_QEMU
>> 667 default HZ_1200 if ALPHA_RAWHIDE
>> 668 default HZ_1024
>> 669 ---help---
>> 670 The frequency at which timer interrupts occur. A high frequency
>> 671 minimizes latency, whereas a low frequency minimizes overhead of
>> 672 process accounting. The later effect is especially significant
>> 673 when being run under QEMU.
>> 674
>> 675 Note that some Alpha hardware cannot change the interrupt frequency
>> 676 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 677
>> 678 config HZ_32
>> 679 bool "32 Hz"
>> 680 config HZ_64
>> 681 bool "64 Hz"
>> 682 config HZ_128
>> 683 bool "128 Hz"
>> 684 config HZ_256
>> 685 bool "256 Hz"
>> 686 config HZ_1024
>> 687 bool "1024 Hz"
>> 688 config HZ_1200
>> 689 bool "1200 Hz"
>> 690 endchoice
242 691
243 endmenu !! 692 config HZ
>> 693 int
>> 694 default 32 if HZ_32
>> 695 default 64 if HZ_64
>> 696 default 128 if HZ_128
>> 697 default 256 if HZ_256
>> 698 default 1200 if HZ_1200
>> 699 default 1024
244 700
245 source "arch/um/drivers/Kconfig" !! 701 source "drivers/pci/Kconfig"
>> 702 source "drivers/eisa/Kconfig"
246 703
247 config ARCH_SUSPEND_POSSIBLE !! 704 source "drivers/pcmcia/Kconfig"
248 def_bool y <<
249 705
250 menu "Power management options" !! 706 config SRM_ENV
>> 707 tristate "SRM environment through procfs"
>> 708 depends on PROC_FS
>> 709 ---help---
>> 710 If you enable this option, a subdirectory inside /proc called
>> 711 /proc/srm_environment will give you access to the all important
>> 712 SRM environment variables (those which have a name) and also
>> 713 to all others (by their internal number).
>> 714
>> 715 SRM is something like a BIOS for Alpha machines. There are some
>> 716 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 717 support (hey, that's not SRM!).
>> 718
>> 719 Despite the fact that this driver doesn't work on all Alphas (but
>> 720 only on those which have SRM as their firmware), it's save to
>> 721 build it even if your particular machine doesn't know about SRM
>> 722 (or if you intend to compile a generic kernel). It will simply
>> 723 not create those subdirectory in /proc (and give you some warning,
>> 724 of course).
251 725
252 source "kernel/power/Kconfig" !! 726 This driver is also available as a module and will be called
>> 727 srm_env then.
>> 728
>> 729 source "fs/Kconfig.binfmt"
253 730
254 endmenu 731 endmenu
>> 732
>> 733 source "net/Kconfig"
>> 734
>> 735 source "drivers/Kconfig"
>> 736
>> 737 source "fs/Kconfig"
>> 738
>> 739 source "arch/alpha/Kconfig.debug"
>> 740
>> 741 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 742 # but we also need it if VGA_HOSE is set
>> 743 config DUMMY_CONSOLE
>> 744 bool
>> 745 depends on VGA_HOSE
>> 746 default y
>> 747
>> 748 source "security/Kconfig"
>> 749
>> 750 source "crypto/Kconfig"
>> 751
>> 752 source "lib/Kconfig"
>> 753
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.