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