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