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