1 # SPDX-License-Identifier: GPL-2.0 !! 1 #
>> 2 # For a description of the syntax of this configuration file,
>> 3 # see Documentation/kbuild/kconfig-language.txt.
>> 4 #
>> 5 config ALPHA
>> 6 bool
>> 7 default y
>> 8 select HAVE_AOUT
>> 9 select HAVE_IDE
>> 10 select HAVE_OPROFILE
>> 11 select HAVE_SYSCALL_WRAPPERS
>> 12 help
>> 13 The Alpha is a 64-bit general-purpose processor designed and
>> 14 marketed by the Digital Equipment Corporation of blessed memory,
>> 15 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 16 <http://www.alphalinux.org/>.
2 17
3 menu "UML-specific options" !! 18 config 64BIT
>> 19 def_bool y
4 20
5 config UML !! 21 config MMU
6 bool 22 bool
7 default y 23 default y
8 select ARCH_HAS_CPU_FINALIZE_INIT <<
9 select ARCH_HAS_FORTIFY_SOURCE <<
10 select ARCH_HAS_GCOV_PROFILE_ALL <<
11 select ARCH_HAS_KCOV <<
12 select ARCH_HAS_STRNCPY_FROM_USER <<
13 select ARCH_HAS_STRNLEN_USER <<
14 select HAVE_ARCH_AUDITSYSCALL <<
15 select HAVE_ARCH_KASAN if X86_64 <<
16 select HAVE_ARCH_KASAN_VMALLOC if HAVE <<
17 select HAVE_ARCH_SECCOMP_FILTER <<
18 select HAVE_ASM_MODVERSIONS <<
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 <<
26 select GENERIC_CPU_DEVICES <<
27 select HAVE_GCC_PLUGINS <<
28 select ARCH_SUPPORTS_LTO_CLANG <<
29 select ARCH_SUPPORTS_LTO_CLANG_THIN <<
30 select TRACE_IRQFLAGS_SUPPORT <<
31 select TTY # Needed for line.c <<
32 select HAVE_ARCH_VMAP_STACK <<
33 select HAVE_RUST <<
34 select ARCH_HAS_UBSAN <<
35 24
36 config MMU !! 25 config RWSEM_GENERIC_SPINLOCK
>> 26 bool
>> 27
>> 28 config RWSEM_XCHGADD_ALGORITHM
>> 29 bool
>> 30 default y
>> 31
>> 32 config ARCH_HAS_ILOG2_U32
>> 33 bool
>> 34 default n
>> 35
>> 36 config ARCH_HAS_ILOG2_U64
>> 37 bool
>> 38 default n
>> 39
>> 40 config GENERIC_FIND_NEXT_BIT
>> 41 bool
>> 42 default y
>> 43
>> 44 config GENERIC_CALIBRATE_DELAY
37 bool 45 bool
38 default y 46 default y
39 47
40 config UML_DMA_EMULATION !! 48 config GENERIC_TIME
41 bool 49 bool
>> 50 default y
42 51
43 config NO_IOMEM !! 52 config ARCH_USES_GETTIMEOFFSET
44 bool "disable IOMEM" if EXPERT !! 53 bool
45 depends on !INDIRECT_IOMEM <<
46 default y 54 default y
47 55
48 config UML_IOMEM_EMULATION !! 56 config ZONE_DMA
49 bool 57 bool
50 select INDIRECT_IOMEM !! 58 default y
51 select HAS_IOPORT <<
52 select GENERIC_PCI_IOMAP <<
53 select GENERIC_IOMAP <<
54 select NO_GENERIC_PCI_IOPORT_MAP <<
55 59
56 config NO_IOPORT_MAP !! 60 config GENERIC_ISA_DMA
57 def_bool !UML_IOMEM_EMULATION !! 61 bool
>> 62 default y
58 63
>> 64 config GENERIC_IOMAP
>> 65 bool
>> 66 default n
>> 67
>> 68 config GENERIC_HARDIRQS
>> 69 bool
>> 70 default y
>> 71
>> 72 config GENERIC_IRQ_PROBE
>> 73 bool
>> 74 default y
>> 75
>> 76 config AUTO_IRQ_AFFINITY
>> 77 bool
>> 78 depends on SMP
>> 79 default y
>> 80
>> 81 source "init/Kconfig"
>> 82 source "kernel/Kconfig.freezer"
>> 83
>> 84
>> 85 menu "System setup"
>> 86
>> 87 choice
>> 88 prompt "Alpha system type"
>> 89 default ALPHA_GENERIC
>> 90 ---help---
>> 91 This is the system type of your hardware. A "generic" kernel will
>> 92 run on any supported Alpha system. However, if you configure a
>> 93 kernel for your specific system, it will be faster and smaller.
>> 94
>> 95 To find out what type of Alpha system you have, you may want to
>> 96 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 97 <http://www.alphalinux.org/>. In summary:
>> 98
>> 99 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 100 Alpha-XL XL-233, XL-266
>> 101 AlphaBook1 Alpha laptop
>> 102 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 103 Cabriolet AlphaPC64, AlphaPCI64
>> 104 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 105 EB164 EB164 21164 evaluation board
>> 106 EB64+ EB64+ 21064 evaluation board
>> 107 EB66 EB66 21066 evaluation board
>> 108 EB66+ EB66+ 21066 evaluation board
>> 109 Jensen DECpc 150, DEC 2000 models 300, 500
>> 110 LX164 AlphaPC164-LX
>> 111 Lynx AS 2100A
>> 112 Miata Personal Workstation 433/500/600 a/au
>> 113 Marvel AlphaServer ES47 / ES80 / GS1280
>> 114 Mikasa AS 1000
>> 115 Noname AXPpci33, UDB (Multia)
>> 116 Noritake AS 1000A, AS 600A, AS 800
>> 117 PC164 AlphaPC164
>> 118 Rawhide AS 1200, AS 4000, AS 4100
>> 119 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 120 SX164 AlphaPC164-SX
>> 121 Sable AS 2000, AS 2100
>> 122 Shark DS 20L
>> 123 Takara Takara (OEM)
>> 124 Titan AlphaServer ES45 / DS25 / DS15
>> 125 Wildfire AlphaServer GS 40/80/160/320
>> 126
>> 127 If you don't know what to do, choose "generic".
>> 128
>> 129 config ALPHA_GENERIC
>> 130 bool "Generic"
>> 131 help
>> 132 A generic kernel will run on all supported Alpha hardware.
>> 133
>> 134 config ALPHA_ALCOR
>> 135 bool "Alcor/Alpha-XLT"
>> 136 help
>> 137 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 138 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 139 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 140 controller (256-bit memory bus) and a PCI interface. It also does
>> 141 all the work required to support an external Bcache and to maintain
>> 142 memory coherence when a PCI device DMAs into (or out of) memory.
>> 143
>> 144 config ALPHA_XL
>> 145 bool "Alpha-XL"
>> 146 help
>> 147 XL-233 and XL-266-based Alpha systems.
>> 148
>> 149 config ALPHA_BOOK1
>> 150 bool "AlphaBook1"
>> 151 help
>> 152 Dec AlphaBook1/Burns Alpha-based laptops.
>> 153
>> 154 config ALPHA_AVANTI_CH
>> 155 bool "Avanti"
>> 156
>> 157 config ALPHA_CABRIOLET
>> 158 bool "Cabriolet"
>> 159 help
>> 160 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 161 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 162 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 163 Bcache SIMMs. Requires power supply with 3.3V output.
>> 164
>> 165 config ALPHA_DP264
>> 166 bool "DP264"
>> 167 help
>> 168 Various 21264 systems with the tsunami core logic chipset.
>> 169 API Networks: 264DP, UP2000(+), CS20;
>> 170 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
>> 171
>> 172 config ALPHA_EB164
>> 173 bool "EB164"
>> 174 help
>> 175 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 176 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 177 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 178 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 179 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 180 motherboard. Requires power supply with 3.3V output.
>> 181
>> 182 config ALPHA_EB64P_CH
>> 183 bool "EB64+"
>> 184
>> 185 config ALPHA_EB66
>> 186 bool "EB66"
>> 187 help
>> 188 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 189 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 190 supply. The EB66 schematic was published as a marketing poster
>> 191 advertising the 21066 as "the first microprocessor in the world with
>> 192 embedded PCI".
>> 193
>> 194 config ALPHA_EB66P
>> 195 bool "EB66+"
>> 196 help
>> 197 Later variant of the EB66 board.
>> 198
>> 199 config ALPHA_EIGER
>> 200 bool "Eiger"
>> 201 help
>> 202 Apparently an obscure OEM single-board computer based on the
>> 203 Typhoon/Tsunami chipset family. Information on it is scanty.
>> 204
>> 205 config ALPHA_JENSEN
>> 206 bool "Jensen"
>> 207 help
>> 208 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 209 of the first-generation Alpha systems. A number of these systems
>> 210 seem to be available on the second- hand market. The Jensen is a
>> 211 floor-standing tower system which originally used a 150MHz 21064 It
>> 212 used programmable logic to interface a 486 EISA I/O bridge to the
>> 213 CPU.
>> 214
>> 215 config ALPHA_LX164
>> 216 bool "LX164"
>> 217 help
>> 218 A technical overview of this board is available at
>> 219 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
>> 220
>> 221 config ALPHA_LYNX
>> 222 bool "Lynx"
>> 223 help
>> 224 AlphaServer 2100A-based systems.
>> 225
>> 226 config ALPHA_MARVEL
>> 227 bool "Marvel"
>> 228 help
>> 229 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 230
>> 231 config ALPHA_MIATA
>> 232 bool "Miata"
>> 233 help
>> 234 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 235 or 600au).
>> 236
>> 237 config ALPHA_MIKASA
>> 238 bool "Mikasa"
>> 239 help
>> 240 AlphaServer 1000-based Alpha systems.
>> 241
>> 242 config ALPHA_NAUTILUS
>> 243 bool "Nautilus"
>> 244 help
>> 245 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
>> 246
>> 247 config ALPHA_NONAME_CH
>> 248 bool "Noname"
>> 249
>> 250 config ALPHA_NORITAKE
>> 251 bool "Noritake"
>> 252 help
>> 253 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 254 systems.
>> 255
>> 256 config ALPHA_PC164
>> 257 bool "PC164"
>> 258
>> 259 config ALPHA_P2K
>> 260 bool "Platform2000"
>> 261
>> 262 config ALPHA_RAWHIDE
>> 263 bool "Rawhide"
>> 264 help
>> 265 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 266 See HOWTO at
>> 267 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
>> 268
>> 269 config ALPHA_RUFFIAN
>> 270 bool "Ruffian"
>> 271 help
>> 272 Samsung APC164UX. There is a page on known problems and workarounds
>> 273 at <http://www.alphalinux.org/faq/FAQ-11.html>.
>> 274
>> 275 config ALPHA_RX164
>> 276 bool "RX164"
>> 277
>> 278 config ALPHA_SX164
>> 279 bool "SX164"
>> 280
>> 281 config ALPHA_SABLE
>> 282 bool "Sable"
>> 283 help
>> 284 Digital AlphaServer 2000 and 2100-based systems.
>> 285
>> 286 config ALPHA_SHARK
>> 287 bool "Shark"
>> 288
>> 289 config ALPHA_TAKARA
>> 290 bool "Takara"
>> 291 help
>> 292 Alpha 11164-based OEM single-board computer.
>> 293
>> 294 config ALPHA_TITAN
>> 295 bool "Titan"
>> 296 help
>> 297 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 298
>> 299 config ALPHA_WILDFIRE
>> 300 bool "Wildfire"
>> 301 help
>> 302 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
>> 303
>> 304 endchoice
>> 305
>> 306 # clear all implied options (don't want default values for those):
>> 307 # Most of these machines have ISA slots; not exactly sure which don't,
>> 308 # and this doesn't activate hordes of code, so do it always.
59 config ISA 309 config ISA
60 bool 310 bool
>> 311 default y
>> 312 help
>> 313 Find out whether you have ISA slots on your motherboard. ISA is the
>> 314 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 315 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 316 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 317 newer boards don't support it. If you have ISA, say Y, otherwise N.
61 318
62 config SBUS !! 319 config ISA_DMA_API
63 bool 320 bool
>> 321 default y
64 322
65 config LOCKDEP_SUPPORT !! 323 config PCI
66 bool 324 bool
>> 325 depends on !ALPHA_JENSEN
67 default y 326 default y
>> 327 help
>> 328 Find out whether you have a PCI motherboard. PCI is the name of a
>> 329 bus system, i.e. the way the CPU talks to the other stuff inside
>> 330 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 331 VESA. If you have PCI, say Y, otherwise N.
68 332
69 config STACKTRACE_SUPPORT !! 333 config PCI_DOMAINS
70 bool 334 bool
71 default y 335 default y
72 select STACKTRACE <<
73 336
74 config GENERIC_CALIBRATE_DELAY !! 337 config PCI_SYSCALL
>> 338 def_bool PCI
>> 339
>> 340 config IOMMU_HELPER
>> 341 def_bool PCI
>> 342
>> 343 config ALPHA_NONAME
75 bool 344 bool
>> 345 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
76 default y 346 default y
>> 347 help
>> 348 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 349 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 350 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 351 is a baby-AT size, and runs from a standard PC power supply. It has
>> 352 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 353 2 versions, with either PS/2 or large DIN connectors for the
>> 354 keyboard.
77 355
78 config HZ !! 356 config ALPHA_EV4
79 int !! 357 bool
80 default 100 !! 358 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
>> 359 default y if !ALPHA_LYNX
81 360
82 config NR_CPUS !! 361 config ALPHA_LCA
83 int !! 362 bool
84 range 1 1 !! 363 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
85 default 1 !! 364 default y
86 365
87 config ARCH_HAS_CACHE_LINE_SIZE !! 366 config ALPHA_APECS
88 def_bool y !! 367 bool
>> 368 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 369 default y
>> 370
>> 371 config ALPHA_EB64P
>> 372 bool
>> 373 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 374 default y
>> 375 help
>> 376 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 377 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 378 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 379 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 380 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 381 Runs from standard PC power supply.
>> 382
>> 383 config ALPHA_EV5
>> 384 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 385 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
>> 386
>> 387 config ALPHA_EV4
>> 388 bool
>> 389 default y if ALPHA_LYNX && !ALPHA_EV5
>> 390
>> 391 config ALPHA_CIA
>> 392 bool
>> 393 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
>> 394 default y
>> 395
>> 396 config ALPHA_EV56
>> 397 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 398 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 399
>> 400 config ALPHA_EV56
>> 401 prompt "EV56 CPU (speed >= 333MHz)?"
>> 402 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 403
>> 404 config ALPHA_EV56
>> 405 prompt "EV56 CPU (speed >= 400MHz)?"
>> 406 depends on ALPHA_RAWHIDE
>> 407
>> 408 config ALPHA_PRIMO
>> 409 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 410 depends on ALPHA_NORITAKE || ALPHA_MIKASA
>> 411 help
>> 412 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
>> 413
>> 414 config ALPHA_GAMMA
>> 415 bool "EV5 CPU(s) (model 5/xxx)?"
>> 416 depends on ALPHA_SABLE
>> 417 help
>> 418 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 419
>> 420 config ALPHA_GAMMA
>> 421 bool
>> 422 depends on ALPHA_LYNX
>> 423 default y
>> 424
>> 425 config ALPHA_T2
>> 426 bool
>> 427 depends on ALPHA_SABLE || ALPHA_LYNX
>> 428 default y
>> 429
>> 430 config ALPHA_PYXIS
>> 431 bool
>> 432 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 433 default y
89 434
90 source "arch/$(HEADER_ARCH)/um/Kconfig" !! 435 config ALPHA_EV6
>> 436 bool
>> 437 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 438 default y
91 439
92 config MAY_HAVE_RUNTIME_DEPS !! 440 config ALPHA_TSUNAMI
93 bool 441 bool
>> 442 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 443 default y
94 444
95 config STATIC_LINK !! 445 config ALPHA_EV67
96 bool "Force a static link" !! 446 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
97 depends on CC_CAN_LINK_STATIC_NO_RUNTI !! 447 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
98 help 448 help
99 This option gives you the ability to !! 449 Is this a machine based on the EV67 core? If in doubt, select N here
100 Normally, UML is linked as a shared !! 450 and the machine will be treated as an EV6.
101 use in a chroot jail. So, if you in !! 451
102 you probably want to say Y here. !! 452 config ALPHA_EV7
103 Additionally, this option enables us !! 453 bool
104 2.75G) for UML. !! 454 depends on ALPHA_MARVEL
>> 455 default y
105 456
106 NOTE: This option is incompatible wi !! 457 config ALPHA_MCPCIA
107 depend on features that require bein !! 458 bool
>> 459 depends on ALPHA_RAWHIDE
>> 460 default y
108 461
109 config LD_SCRIPT_STATIC !! 462 config ALPHA_POLARIS
110 bool 463 bool
>> 464 depends on ALPHA_RX164
111 default y 465 default y
112 depends on STATIC_LINK <<
113 466
114 config LD_SCRIPT_DYN !! 467 config ALPHA_IRONGATE
115 bool 468 bool
>> 469 depends on ALPHA_NAUTILUS
116 default y 470 default y
117 depends on !LD_SCRIPT_STATIC <<
118 471
119 config LD_SCRIPT_DYN_RPATH !! 472 config GENERIC_HWEIGHT
120 bool "set rpath in the binary" if EXPE !! 473 bool
>> 474 default y if !ALPHA_EV67
>> 475
>> 476 config ALPHA_AVANTI
>> 477 bool
>> 478 depends on ALPHA_XL || ALPHA_AVANTI_CH
121 default y 479 default y
122 depends on LD_SCRIPT_DYN <<
123 help 480 help
124 Add /lib (and /lib64 for 64-bit) to !! 481 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
125 explicitly. !! 482 Alphas. Info at
>> 483 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
126 484
127 You may need to turn this off if com !! 485 config ALPHA_BROKEN_IRQ_MASK
128 that have their libraries in random !! 486 bool
129 might otherwise unexpected use libra !! 487 depends on ALPHA_GENERIC || ALPHA_PC164
130 instead of the desired ones. !! 488 default y
131 489
132 config HOSTFS !! 490 config VGA_HOSE
133 tristate "Host filesystem" !! 491 bool
>> 492 depends on ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI
>> 493 default y
134 help 494 help
135 While the User-Mode Linux port uses !! 495 Support VGA on an arbitrary hose; needed for several platforms
136 booting and normal file access, this !! 496 which always have multiple hoses, and whose consoles support it.
137 access files stored on the host. It <<
138 network connection between the Host <<
139 this might be: <<
140 497
141 mount none /tmp/fromhost -t hostfs - <<
142 498
143 where /tmp/fromhost is an empty dire !! 499 config ALPHA_SRM
144 /tmp/umlshare is a directory on the !! 500 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
145 wishes to access. !! 501 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
>> 502 ---help---
>> 503 There are two different types of booting firmware on Alphas: SRM,
>> 504 which is command line driven, and ARC, which uses menus and arrow
>> 505 keys. Details about the Linux/Alpha booting process are contained in
>> 506 the Linux/Alpha FAQ, accessible on the WWW from
>> 507 <http://www.alphalinux.org/>.
>> 508
>> 509 The usual way to load Linux on an Alpha machine is to use MILO
>> 510 (a bootloader that lets you pass command line parameters to the
>> 511 kernel just like lilo does for the x86 architecture) which can be
>> 512 loaded either from ARC or can be installed directly as a permanent
>> 513 firmware replacement from floppy (which requires changing a certain
>> 514 jumper on the motherboard). If you want to do either of these, say N
>> 515 here. If MILO doesn't work on your system (true for Jensen
>> 516 motherboards), you can bypass it altogether and boot Linux directly
>> 517 from an SRM console; say Y here in order to do that. Note that you
>> 518 won't be able to boot from an IDE disk using SRM.
146 519
147 For more information, see !! 520 If unsure, say N.
148 <http://user-mode-linux.sourceforge. <<
149 521
150 If you'd like to be able to work wit !! 522 config EISA
151 say Y or M here; otherwise say N. !! 523 bool
>> 524 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
>> 525 default y
152 526
153 config MCONSOLE !! 527 config ARCH_MAY_HAVE_PC_FDC
154 bool "Management console" !! 528 def_bool y
155 depends on PROC_FS !! 529
>> 530 config SMP
>> 531 bool "Symmetric multi-processing support"
>> 532 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 533 select USE_GENERIC_SMP_HELPERS
>> 534 ---help---
>> 535 This enables support for systems with more than one CPU. If you have
>> 536 a system with only one CPU, like most personal computers, say N. If
>> 537 you have a system with more than one CPU, say Y.
>> 538
>> 539 If you say N here, the kernel will run on single and multiprocessor
>> 540 machines, but will use only one CPU of a multiprocessor machine. If
>> 541 you say Y here, the kernel will run on many, but not all,
>> 542 singleprocessor machines. On a singleprocessor machine, the kernel
>> 543 will run faster if you say N here.
>> 544
>> 545 See also the SMP-HOWTO available at
>> 546 <http://www.tldp.org/docs.html#howto>.
>> 547
>> 548 If you don't know what to do here, say N.
>> 549
>> 550 config HAVE_DEC_LOCK
>> 551 bool
>> 552 depends on SMP
156 default y 553 default y
>> 554
>> 555 config NR_CPUS
>> 556 int "Maximum number of CPUs (2-32)"
>> 557 range 2 32
>> 558 depends on SMP
>> 559 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 560 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
157 help 561 help
158 The user mode linux management conso !! 562 MARVEL support can handle a maximum of 32 CPUs, all the others
159 the kernel, somewhat like the i386 S !! 563 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. <<
203 564
204 config MMAPPER !! 565 config ARCH_DISCONTIGMEM_ENABLE
205 tristate "iomem emulation driver" !! 566 bool "Discontiguous Memory Support (EXPERIMENTAL)"
>> 567 depends on EXPERIMENTAL
206 help 568 help
207 This driver allows a host file to be !! 569 Say Y to support efficient handling of discontiguous physical memory,
208 UML. !! 570 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 571 or have huge holes in the physical address space for other reasons.
>> 572 See <file:Documentation/vm/numa> for more.
>> 573
>> 574 source "mm/Kconfig"
>> 575
>> 576 config NUMA
>> 577 bool "NUMA Support (EXPERIMENTAL)"
>> 578 depends on DISCONTIGMEM && BROKEN
>> 579 help
>> 580 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 581 Access). This option is for configuring high-end multiprocessor
>> 582 server machines. If in doubt, say N.
209 583
210 config PGTABLE_LEVELS !! 584 config NODES_SHIFT
211 int 585 int
212 default 3 if 3_LEVEL_PGTABLES !! 586 default "7"
213 default 2 !! 587 depends on NEED_MULTIPLE_NODES
214 588
215 config UML_TIME_TRAVEL_SUPPORT !! 589 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 590 config ALPHA_LARGE_VMALLOC
216 bool 591 bool
217 prompt "Support time-travel mode (e.g. !! 592 ---help---
218 # inf-cpu mode is incompatible with th !! 593 Process creation and other aspects of virtual memory management can
219 depends on !RAID6_PQ_BENCHMARK !! 594 be streamlined if we restrict the kernel to one PGD for all vmalloc
220 depends on !SMP !! 595 allocations. This equates to about 8GB.
221 help !! 596
222 Enable this option to support time t !! 597 Under normal circumstances, this is so far and above what is needed
223 !! 598 as to be laughable. However, there are certain applications (such
224 After enabling this option, two mode !! 599 as benchmark-grade in-kernel web serving) that can make use of as
225 (selected by the kernel command line !! 600 much vmalloc space as is available.
226 line help for more details. !! 601
227 !! 602 Say N unless you know you need gobs and gobs of vmalloc space.
228 It is safe to say Y, but you probabl !! 603
229 !! 604 config VERBOSE_MCHECK
230 config KASAN_SHADOW_OFFSET !! 605 bool "Verbose Machine Checks"
231 hex !! 606
232 depends on KASAN !! 607 config VERBOSE_MCHECK_ON
233 default 0x100000000000 !! 608 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
234 help !! 609 depends on VERBOSE_MCHECK
235 This is the offset at which the ~16T !! 610 default 1
236 mapped and used by KASAN for memory !! 611 ---help---
237 address that has at least KASAN_SHAD !! 612 This option allows the default printing mode to be set, and then
238 by 8) amount of space so that the KA !! 613 possibly overridden by a boot command argument.
239 with anything. The default is 0x1000 !! 614
240 set to a large value. On low-memory !! 615 For example, if one wanted the option of printing verbose
241 into the immediate of most instructi !! 616 machine checks, but wanted the default to be as if verbose
>> 617 machine check printing was turned off, then one would choose
>> 618 the printing mode to be 0. Then, upon reboot, one could add
>> 619 the boot command line "verbose_mcheck=1" to get the normal
>> 620 verbose machine check printing, or "verbose_mcheck=2" to get
>> 621 the maximum information available.
242 622
243 endmenu !! 623 Take the default (1) unless you want more control or more info.
244 624
245 source "arch/um/drivers/Kconfig" !! 625 config HZ
>> 626 int
>> 627 default 1200 if ALPHA_RAWHIDE
>> 628 default 1024
246 629
247 config ARCH_SUSPEND_POSSIBLE !! 630 source "drivers/pci/Kconfig"
248 def_bool y !! 631 source "drivers/eisa/Kconfig"
>> 632
>> 633 source "drivers/pcmcia/Kconfig"
>> 634
>> 635 config SRM_ENV
>> 636 tristate "SRM environment through procfs"
>> 637 depends on PROC_FS
>> 638 ---help---
>> 639 If you enable this option, a subdirectory inside /proc called
>> 640 /proc/srm_environment will give you access to the all important
>> 641 SRM environment variables (those which have a name) and also
>> 642 to all others (by their internal number).
>> 643
>> 644 SRM is something like a BIOS for Alpha machines. There are some
>> 645 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 646 support (hey, that's not SRM!).
>> 647
>> 648 Despite the fact that this driver doesn't work on all Alphas (but
>> 649 only on those which have SRM as their firmware), it's save to
>> 650 build it even if your particular machine doesn't know about SRM
>> 651 (or if you intend to compile a generic kernel). It will simply
>> 652 not create those subdirectory in /proc (and give you some warning,
>> 653 of course).
249 654
250 menu "Power management options" !! 655 This driver is also available as a module and will be called
>> 656 srm_env then.
251 657
252 source "kernel/power/Kconfig" !! 658 source "fs/Kconfig.binfmt"
253 659
254 endmenu 660 endmenu
>> 661
>> 662 source "net/Kconfig"
>> 663
>> 664 source "drivers/Kconfig"
>> 665
>> 666 source "fs/Kconfig"
>> 667
>> 668 source "arch/alpha/Kconfig.debug"
>> 669
>> 670 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 671 # but we also need it if VGA_HOSE is set
>> 672 config DUMMY_CONSOLE
>> 673 bool
>> 674 depends on VGA_HOSE
>> 675 default y
>> 676
>> 677 source "security/Kconfig"
>> 678
>> 679 source "crypto/Kconfig"
>> 680
>> 681 source "lib/Kconfig"
>> 682
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