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 DMA_OPS if PCI
14 select HAVE_ARCH_AUDITSYSCALL !! 11 select FORCE_PCI if !ALPHA_JENSEN
15 select HAVE_ARCH_KASAN if X86_64 !! 12 select PCI_DOMAINS if PCI
16 select HAVE_ARCH_KASAN_VMALLOC if HAVE !! 13 select PCI_SYSCALL if PCI
17 select HAVE_ARCH_SECCOMP_FILTER !! 14 select HAVE_AOUT
18 select HAVE_ASM_MODVERSIONS 15 select HAVE_ASM_MODVERSIONS
19 select HAVE_UID16 !! 16 select HAVE_IDE
20 select HAVE_DEBUG_KMEMLEAK !! 17 select HAVE_OPROFILE
21 select HAVE_DEBUG_BUGVERBOSE !! 18 select HAVE_PCSPKR_PLATFORM
22 select HAVE_PAGE_SIZE_4KB !! 19 select HAVE_PERF_EVENTS
23 select NO_DMA if !UML_DMA_EMULATION !! 20 select NEED_DMA_MAP_STATE
24 select OF_EARLY_FLATTREE if OF !! 21 select NEED_SG_DMA_LENGTH
>> 22 select VIRT_TO_BUS
>> 23 select GENERIC_IRQ_PROBE
>> 24 select GENERIC_PCI_IOMAP if PCI
>> 25 select AUTO_IRQ_AFFINITY if SMP
25 select GENERIC_IRQ_SHOW 26 select GENERIC_IRQ_SHOW
26 select GENERIC_CPU_DEVICES !! 27 select ARCH_WANT_IPC_PARSE_VERSION
27 select HAVE_GCC_PLUGINS !! 28 select ARCH_HAVE_NMI_SAFE_CMPXCHG
28 select ARCH_SUPPORTS_LTO_CLANG !! 29 select AUDIT_ARCH
29 select ARCH_SUPPORTS_LTO_CLANG_THIN !! 30 select GENERIC_CPU_VULNERABILITIES
30 select TRACE_IRQFLAGS_SUPPORT !! 31 select GENERIC_SMP_IDLE_THREAD
31 select TTY # Needed for line.c !! 32 select GENERIC_STRNCPY_FROM_USER
32 select HAVE_ARCH_VMAP_STACK !! 33 select GENERIC_STRNLEN_USER
33 select HAVE_RUST !! 34 select HAVE_ARCH_AUDITSYSCALL
34 select ARCH_HAS_UBSAN !! 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 select SET_FS
>> 42 select SPARSEMEM_EXTREME if SPARSEMEM
>> 43 help
>> 44 The Alpha is a 64-bit general-purpose processor designed and
>> 45 marketed by the Digital Equipment Corporation of blessed memory,
>> 46 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 47 <http://www.alphalinux.org/>.
>> 48
>> 49 config 64BIT
>> 50 def_bool y
35 51
36 config MMU 52 config MMU
37 bool 53 bool
38 default y 54 default y
39 55
40 config UML_DMA_EMULATION !! 56 config ARCH_HAS_ILOG2_U32
>> 57 bool
>> 58 default n
>> 59
>> 60 config ARCH_HAS_ILOG2_U64
41 bool 61 bool
>> 62 default n
42 63
43 config NO_IOMEM !! 64 config GENERIC_CALIBRATE_DELAY
44 bool "disable IOMEM" if EXPERT !! 65 bool
45 depends on !INDIRECT_IOMEM <<
46 default y 66 default y
47 67
48 config UML_IOMEM_EMULATION !! 68 config ZONE_DMA
49 bool 69 bool
50 select INDIRECT_IOMEM !! 70 default y
51 select HAS_IOPORT !! 71
52 select GENERIC_PCI_IOMAP !! 72 config GENERIC_ISA_DMA
53 select GENERIC_IOMAP !! 73 bool
54 select NO_GENERIC_PCI_IOPORT_MAP !! 74 default y
>> 75
>> 76 config PGTABLE_LEVELS
>> 77 int
>> 78 default 3
>> 79
>> 80 config AUDIT_ARCH
>> 81 bool
>> 82
>> 83 menu "System setup"
55 84
56 config NO_IOPORT_MAP !! 85 choice
57 def_bool !UML_IOMEM_EMULATION !! 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 select HAVE_EISA
>> 131 help
>> 132 A generic kernel will run on all supported Alpha hardware.
>> 133
>> 134 config ALPHA_ALCOR
>> 135 bool "Alcor/Alpha-XLT"
>> 136 select HAVE_EISA
>> 137 help
>> 138 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 139 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 140 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 141 controller (256-bit memory bus) and a PCI interface. It also does
>> 142 all the work required to support an external Bcache and to maintain
>> 143 memory coherence when a PCI device DMAs into (or out of) memory.
>> 144
>> 145 config ALPHA_XL
>> 146 bool "Alpha-XL"
>> 147 help
>> 148 XL-233 and XL-266-based Alpha systems.
>> 149
>> 150 config ALPHA_BOOK1
>> 151 bool "AlphaBook1"
>> 152 help
>> 153 Dec AlphaBook1/Burns Alpha-based laptops.
>> 154
>> 155 config ALPHA_AVANTI_CH
>> 156 bool "Avanti"
>> 157
>> 158 config ALPHA_CABRIOLET
>> 159 bool "Cabriolet"
>> 160 help
>> 161 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 162 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 163 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 164 Bcache SIMMs. Requires power supply with 3.3V output.
>> 165
>> 166 config ALPHA_DP264
>> 167 bool "DP264"
>> 168 help
>> 169 Various 21264 systems with the tsunami core logic chipset.
>> 170 API Networks: 264DP, UP2000(+), CS20;
>> 171 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
>> 172
>> 173 config ALPHA_EB164
>> 174 bool "EB164"
>> 175 help
>> 176 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 177 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 178 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 179 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 180 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 181 motherboard. Requires power supply with 3.3V output.
>> 182
>> 183 config ALPHA_EB64P_CH
>> 184 bool "EB64+"
>> 185
>> 186 config ALPHA_EB66
>> 187 bool "EB66"
>> 188 help
>> 189 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 190 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 191 supply. The EB66 schematic was published as a marketing poster
>> 192 advertising the 21066 as "the first microprocessor in the world with
>> 193 embedded PCI".
>> 194
>> 195 config ALPHA_EB66P
>> 196 bool "EB66+"
>> 197 help
>> 198 Later variant of the EB66 board.
58 199
>> 200 config ALPHA_EIGER
>> 201 bool "Eiger"
>> 202 help
>> 203 Apparently an obscure OEM single-board computer based on the
>> 204 Typhoon/Tsunami chipset family. Information on it is scanty.
>> 205
>> 206 config ALPHA_JENSEN
>> 207 bool "Jensen"
>> 208 depends on BROKEN
>> 209 select HAVE_EISA
>> 210 help
>> 211 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 212 of the first-generation Alpha systems. A number of these systems
>> 213 seem to be available on the second- hand market. The Jensen is a
>> 214 floor-standing tower system which originally used a 150MHz 21064 It
>> 215 used programmable logic to interface a 486 EISA I/O bridge to the
>> 216 CPU.
>> 217
>> 218 config ALPHA_LX164
>> 219 bool "LX164"
>> 220 help
>> 221 A technical overview of this board is available at
>> 222 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
>> 223
>> 224 config ALPHA_LYNX
>> 225 bool "Lynx"
>> 226 select HAVE_EISA
>> 227 help
>> 228 AlphaServer 2100A-based systems.
>> 229
>> 230 config ALPHA_MARVEL
>> 231 bool "Marvel"
>> 232 help
>> 233 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 234
>> 235 config ALPHA_MIATA
>> 236 bool "Miata"
>> 237 select HAVE_EISA
>> 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 select HAVE_EISA
>> 258 help
>> 259 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 260 systems.
>> 261
>> 262 config ALPHA_PC164
>> 263 bool "PC164"
>> 264
>> 265 config ALPHA_P2K
>> 266 bool "Platform2000"
>> 267
>> 268 config ALPHA_RAWHIDE
>> 269 bool "Rawhide"
>> 270 select HAVE_EISA
>> 271 help
>> 272 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 273 See HOWTO at
>> 274 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
>> 275
>> 276 config ALPHA_RUFFIAN
>> 277 bool "Ruffian"
>> 278 help
>> 279 Samsung APC164UX. There is a page on known problems and workarounds
>> 280 at <http://www.alphalinux.org/faq/FAQ-11.html>.
>> 281
>> 282 config ALPHA_RX164
>> 283 bool "RX164"
>> 284
>> 285 config ALPHA_SX164
>> 286 bool "SX164"
>> 287
>> 288 config ALPHA_SABLE
>> 289 bool "Sable"
>> 290 select HAVE_EISA
>> 291 help
>> 292 Digital AlphaServer 2000 and 2100-based systems.
>> 293
>> 294 config ALPHA_SHARK
>> 295 bool "Shark"
>> 296
>> 297 config ALPHA_TAKARA
>> 298 bool "Takara"
>> 299 help
>> 300 Alpha 11164-based OEM single-board computer.
>> 301
>> 302 config ALPHA_TITAN
>> 303 bool "Titan"
>> 304 help
>> 305 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 306
>> 307 config ALPHA_WILDFIRE
>> 308 bool "Wildfire"
>> 309 help
>> 310 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
>> 311
>> 312 endchoice
>> 313
>> 314 # clear all implied options (don't want default values for those):
>> 315 # Most of these machines have ISA slots; not exactly sure which don't,
>> 316 # and this doesn't activate hordes of code, so do it always.
59 config ISA 317 config ISA
60 bool 318 bool
>> 319 default y
>> 320 help
>> 321 Find out whether you have ISA slots on your motherboard. ISA is the
>> 322 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 323 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 324 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 325 newer boards don't support it. If you have ISA, say Y, otherwise N.
61 326
62 config SBUS !! 327 config ISA_DMA_API
63 bool 328 bool
>> 329 default y
64 330
65 config LOCKDEP_SUPPORT !! 331 config ALPHA_NONAME
66 bool 332 bool
>> 333 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
67 default y 334 default y
>> 335 help
>> 336 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 337 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 338 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 339 is a baby-AT size, and runs from a standard PC power supply. It has
>> 340 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 341 2 versions, with either PS/2 or large DIN connectors for the
>> 342 keyboard.
>> 343
>> 344 config ALPHA_EV4
>> 345 bool
>> 346 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
>> 347 default y if !ALPHA_LYNX
68 348
69 config STACKTRACE_SUPPORT !! 349 config ALPHA_LCA
70 bool 350 bool
>> 351 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
71 default y 352 default y
72 select STACKTRACE <<
73 353
74 config GENERIC_CALIBRATE_DELAY !! 354 config ALPHA_APECS
75 bool 355 bool
>> 356 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
76 default y 357 default y
77 358
78 config HZ !! 359 config ALPHA_EB64P
79 int !! 360 bool
80 default 100 !! 361 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 362 default y
>> 363 help
>> 364 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 365 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 366 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 367 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 368 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 369 Runs from standard PC power supply.
81 370
82 config NR_CPUS !! 371 config ALPHA_EV5
83 int !! 372 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
84 range 1 1 !! 373 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 <<
86 374
87 config ARCH_HAS_CACHE_LINE_SIZE !! 375 config ALPHA_EV4
88 def_bool y !! 376 bool
>> 377 default y if ALPHA_LYNX && !ALPHA_EV5
>> 378
>> 379 config ALPHA_CIA
>> 380 bool
>> 381 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
>> 382 default y
>> 383
>> 384 config ALPHA_EV56
>> 385 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 386 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 387
>> 388 config ALPHA_EV56
>> 389 prompt "EV56 CPU (speed >= 333MHz)?"
>> 390 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 391
>> 392 config ALPHA_EV56
>> 393 prompt "EV56 CPU (speed >= 400MHz)?"
>> 394 depends on ALPHA_RAWHIDE
>> 395
>> 396 config ALPHA_PRIMO
>> 397 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 398 depends on ALPHA_NORITAKE || ALPHA_MIKASA
>> 399 help
>> 400 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
>> 401
>> 402 config ALPHA_GAMMA
>> 403 bool "EV5 CPU(s) (model 5/xxx)?"
>> 404 depends on ALPHA_SABLE
>> 405 help
>> 406 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
>> 407
>> 408 config ALPHA_GAMMA
>> 409 bool
>> 410 depends on ALPHA_LYNX
>> 411 default y
>> 412
>> 413 config ALPHA_T2
>> 414 bool
>> 415 depends on ALPHA_SABLE || ALPHA_LYNX
>> 416 default y
>> 417
>> 418 config ALPHA_PYXIS
>> 419 bool
>> 420 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 421 default y
89 422
90 source "arch/$(HEADER_ARCH)/um/Kconfig" !! 423 config ALPHA_EV6
>> 424 bool
>> 425 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 426 default y
91 427
92 config MAY_HAVE_RUNTIME_DEPS !! 428 config ALPHA_TSUNAMI
93 bool 429 bool
>> 430 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 431 default y
94 432
95 config STATIC_LINK !! 433 config ALPHA_EV67
96 bool "Force a static link" !! 434 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
97 depends on CC_CAN_LINK_STATIC_NO_RUNTI !! 435 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
98 help 436 help
99 This option gives you the ability to !! 437 Is this a machine based on the EV67 core? If in doubt, select N here
100 Normally, UML is linked as a shared !! 438 and the machine will be treated as an EV6.
101 use in a chroot jail. So, if you in !! 439
102 you probably want to say Y here. !! 440 config ALPHA_MCPCIA
103 Additionally, this option enables us !! 441 bool
104 2.75G) for UML. !! 442 depends on ALPHA_RAWHIDE
>> 443 default y
>> 444
>> 445 config ALPHA_POLARIS
>> 446 bool
>> 447 depends on ALPHA_RX164
>> 448 default y
>> 449
>> 450 config ALPHA_IRONGATE
>> 451 bool
>> 452 depends on ALPHA_NAUTILUS
>> 453 default y
105 454
106 NOTE: This option is incompatible wi !! 455 config GENERIC_HWEIGHT
107 depend on features that require bein !! 456 bool
>> 457 default y if !ALPHA_EV67
108 458
109 config LD_SCRIPT_STATIC !! 459 config ALPHA_AVANTI
110 bool 460 bool
>> 461 depends on ALPHA_XL || ALPHA_AVANTI_CH
111 default y 462 default y
112 depends on STATIC_LINK !! 463 help
>> 464 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 465 Alphas. Info at
>> 466 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
113 467
114 config LD_SCRIPT_DYN !! 468 config ALPHA_BROKEN_IRQ_MASK
115 bool 469 bool
>> 470 depends on ALPHA_GENERIC || ALPHA_PC164
116 default y 471 default y
117 depends on !LD_SCRIPT_STATIC <<
118 472
119 config LD_SCRIPT_DYN_RPATH !! 473 config VGA_HOSE
120 bool "set rpath in the binary" if EXPE !! 474 bool
>> 475 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
121 default y 476 default y
122 depends on LD_SCRIPT_DYN <<
123 help 477 help
124 Add /lib (and /lib64 for 64-bit) to !! 478 Support VGA on an arbitrary hose; needed for several platforms
125 explicitly. !! 479 which always have multiple hoses, and whose consoles support it.
126 480
127 You may need to turn this off if com <<
128 that have their libraries in random <<
129 might otherwise unexpected use libra <<
130 instead of the desired ones. <<
131 481
132 config HOSTFS !! 482 config ALPHA_QEMU
133 tristate "Host filesystem" !! 483 bool "Run under QEMU emulation"
>> 484 depends on !ALPHA_GENERIC
134 help 485 help
135 While the User-Mode Linux port uses !! 486 Assume the presence of special features supported by QEMU PALcode
136 booting and normal file access, this !! 487 that reduce the overhead of system emulation.
137 access files stored on the host. It <<
138 network connection between the Host <<
139 this might be: <<
140 488
141 mount none /tmp/fromhost -t hostfs - !! 489 Generic kernels will auto-detect QEMU. But when building a
>> 490 system-specific kernel, the assumption is that we want to
>> 491 eliminate as many runtime tests as possible.
142 492
143 where /tmp/fromhost is an empty dire !! 493 If unsure, say N.
144 /tmp/umlshare is a directory on the <<
145 wishes to access. <<
146 494
147 For more information, see <<
148 <http://user-mode-linux.sourceforge. <<
149 495
150 If you'd like to be able to work wit !! 496 config ALPHA_SRM
151 say Y or M here; otherwise say N. !! 497 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
>> 498 depends on TTY
>> 499 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
>> 500 help
>> 501 There are two different types of booting firmware on Alphas: SRM,
>> 502 which is command line driven, and ARC, which uses menus and arrow
>> 503 keys. Details about the Linux/Alpha booting process are contained in
>> 504 the Linux/Alpha FAQ, accessible on the WWW from
>> 505 <http://www.alphalinux.org/>.
>> 506
>> 507 The usual way to load Linux on an Alpha machine is to use MILO
>> 508 (a bootloader that lets you pass command line parameters to the
>> 509 kernel just like lilo does for the x86 architecture) which can be
>> 510 loaded either from ARC or can be installed directly as a permanent
>> 511 firmware replacement from floppy (which requires changing a certain
>> 512 jumper on the motherboard). If you want to do either of these, say N
>> 513 here. If MILO doesn't work on your system (true for Jensen
>> 514 motherboards), you can bypass it altogether and boot Linux directly
>> 515 from an SRM console; say Y here in order to do that. Note that you
>> 516 won't be able to boot from an IDE disk using SRM.
152 517
153 config MCONSOLE !! 518 If unsure, say N.
154 bool "Management console" !! 519
155 depends on PROC_FS !! 520 config ARCH_MAY_HAVE_PC_FDC
156 default y !! 521 def_bool y
>> 522
>> 523 config SMP
>> 524 bool "Symmetric multi-processing support"
>> 525 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
157 help 526 help
158 The user mode linux management conso !! 527 This enables support for systems with more than one CPU. If you have
159 the kernel, somewhat like the i386 S !! 528 a system with only one CPU, say N. If you have a system with more
160 a full-blown operating system runnin !! 529 than one CPU, say Y.
161 instance, there is much greater flex !! 530
162 SysRq mechanism. !! 531 If you say N here, the kernel will run on uni- and multiprocessor
163 !! 532 machines, but will use only one CPU of a multiprocessor machine. If
164 If you answer 'Y' to this option, to !! 533 you say Y here, the kernel will run on many, but not all,
165 mconsole client (called uml_mconsole !! 534 uniprocessor machines. On a uniprocessor machine, the kernel
166 2.4.5-9um and later (path /tools/mco !! 535 will run faster if you say N here.
167 distribution RPM package in 2.4.6 an !! 536
168 !! 537 See also the SMP-HOWTO available at
169 It is safe to say 'Y' here. !! 538 <http://www.tldp.org/docs.html#howto>.
170 !! 539
171 config MAGIC_SYSRQ !! 540 If you don't know what to do here, say N.
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. <<
203 541
204 config MMAPPER !! 542 config NR_CPUS
205 tristate "iomem emulation driver" !! 543 int "Maximum number of CPUs (2-32)"
>> 544 range 2 32
>> 545 depends on SMP
>> 546 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 547 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
206 help 548 help
207 This driver allows a host file to be !! 549 MARVEL support can handle a maximum of 32 CPUs, all the others
208 UML. !! 550 with working support have a maximum of 4 CPUs.
209 551
210 config PGTABLE_LEVELS !! 552 config ARCH_DISCONTIGMEM_ENABLE
>> 553 bool "Discontiguous Memory Support"
>> 554 depends on BROKEN
>> 555 help
>> 556 Say Y to support efficient handling of discontiguous physical memory,
>> 557 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 558 or have huge holes in the physical address space for other reasons.
>> 559 See <file:Documentation/vm/numa.rst> for more.
>> 560
>> 561 config ARCH_SPARSEMEM_ENABLE
>> 562 bool "Sparse Memory Support"
>> 563 help
>> 564 Say Y to support efficient handling of discontiguous physical memory,
>> 565 for systems that have huge holes in the physical address space.
>> 566
>> 567 config NUMA
>> 568 bool "NUMA Support (EXPERIMENTAL)"
>> 569 depends on DISCONTIGMEM && BROKEN
>> 570 help
>> 571 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 572 Access). This option is for configuring high-end multiprocessor
>> 573 server machines. If in doubt, say N.
>> 574
>> 575 config ALPHA_WTINT
>> 576 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 577 default y if ALPHA_QEMU
>> 578 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 579 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 580 default y if SMP
>> 581 help
>> 582 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 583 to sleep until the next interrupt. This may reduce the power
>> 584 consumed, and the heat produced by the computer. However, it has
>> 585 the side effect of making the cycle counter unreliable as a timing
>> 586 device across the sleep.
>> 587
>> 588 For emulation under QEMU, definitely say Y here, as we have other
>> 589 mechanisms for measuring time than the cycle counter.
>> 590
>> 591 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 592 MILO, sleep mode is not supported so you might as well say N here.
>> 593
>> 594 For SMP systems we cannot use the cycle counter for timing anyway,
>> 595 so you might as well say Y here.
>> 596
>> 597 If unsure, say N.
>> 598
>> 599 config NODES_SHIFT
211 int 600 int
212 default 3 if 3_LEVEL_PGTABLES !! 601 default "7"
213 default 2 !! 602 depends on NEED_MULTIPLE_NODES
214 603
215 config UML_TIME_TRAVEL_SUPPORT !! 604 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 605 config ALPHA_LARGE_VMALLOC
216 bool 606 bool
217 prompt "Support time-travel mode (e.g. !! 607 help
218 # inf-cpu mode is incompatible with th !! 608 Process creation and other aspects of virtual memory management can
219 depends on !RAID6_PQ_BENCHMARK !! 609 be streamlined if we restrict the kernel to one PGD for all vmalloc
220 depends on !SMP !! 610 allocations. This equates to about 8GB.
221 help !! 611
222 Enable this option to support time t !! 612 Under normal circumstances, this is so far and above what is needed
223 !! 613 as to be laughable. However, there are certain applications (such
224 After enabling this option, two mode !! 614 as benchmark-grade in-kernel web serving) that can make use of as
225 (selected by the kernel command line !! 615 much vmalloc space as is available.
226 line help for more details. !! 616
227 !! 617 Say N unless you know you need gobs and gobs of vmalloc space.
228 It is safe to say Y, but you probabl !! 618
229 !! 619 config VERBOSE_MCHECK
230 config KASAN_SHADOW_OFFSET !! 620 bool "Verbose Machine Checks"
231 hex !! 621
232 depends on KASAN !! 622 config VERBOSE_MCHECK_ON
233 default 0x100000000000 !! 623 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
234 help !! 624 depends on VERBOSE_MCHECK
235 This is the offset at which the ~16T !! 625 default 1
236 mapped and used by KASAN for memory !! 626 help
237 address that has at least KASAN_SHAD !! 627 This option allows the default printing mode to be set, and then
238 by 8) amount of space so that the KA !! 628 possibly overridden by a boot command argument.
239 with anything. The default is 0x1000 <<
240 set to a large value. On low-memory <<
241 into the immediate of most instructi <<
242 <<
243 endmenu <<
244 629
245 source "arch/um/drivers/Kconfig" !! 630 For example, if one wanted the option of printing verbose
>> 631 machine checks, but wanted the default to be as if verbose
>> 632 machine check printing was turned off, then one would choose
>> 633 the printing mode to be 0. Then, upon reboot, one could add
>> 634 the boot command line "verbose_mcheck=1" to get the normal
>> 635 verbose machine check printing, or "verbose_mcheck=2" to get
>> 636 the maximum information available.
>> 637
>> 638 Take the default (1) unless you want more control or more info.
>> 639
>> 640 choice
>> 641 prompt "Timer interrupt frequency (HZ)?"
>> 642 default HZ_128 if ALPHA_QEMU
>> 643 default HZ_1200 if ALPHA_RAWHIDE
>> 644 default HZ_1024
>> 645 help
>> 646 The frequency at which timer interrupts occur. A high frequency
>> 647 minimizes latency, whereas a low frequency minimizes overhead of
>> 648 process accounting. The later effect is especially significant
>> 649 when being run under QEMU.
>> 650
>> 651 Note that some Alpha hardware cannot change the interrupt frequency
>> 652 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 653
>> 654 config HZ_32
>> 655 bool "32 Hz"
>> 656 config HZ_64
>> 657 bool "64 Hz"
>> 658 config HZ_128
>> 659 bool "128 Hz"
>> 660 config HZ_256
>> 661 bool "256 Hz"
>> 662 config HZ_1024
>> 663 bool "1024 Hz"
>> 664 config HZ_1200
>> 665 bool "1200 Hz"
>> 666 endchoice
246 667
247 config ARCH_SUSPEND_POSSIBLE !! 668 config HZ
248 def_bool y !! 669 int
>> 670 default 32 if HZ_32
>> 671 default 64 if HZ_64
>> 672 default 128 if HZ_128
>> 673 default 256 if HZ_256
>> 674 default 1200 if HZ_1200
>> 675 default 1024
249 676
250 menu "Power management options" !! 677 config SRM_ENV
>> 678 tristate "SRM environment through procfs"
>> 679 depends on PROC_FS
>> 680 help
>> 681 If you enable this option, a subdirectory inside /proc called
>> 682 /proc/srm_environment will give you access to the all important
>> 683 SRM environment variables (those which have a name) and also
>> 684 to all others (by their internal number).
>> 685
>> 686 SRM is something like a BIOS for Alpha machines. There are some
>> 687 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 688 support (hey, that's not SRM!).
>> 689
>> 690 Despite the fact that this driver doesn't work on all Alphas (but
>> 691 only on those which have SRM as their firmware), it's save to
>> 692 build it even if your particular machine doesn't know about SRM
>> 693 (or if you intend to compile a generic kernel). It will simply
>> 694 not create those subdirectory in /proc (and give you some warning,
>> 695 of course).
251 696
252 source "kernel/power/Kconfig" !! 697 This driver is also available as a module and will be called
>> 698 srm_env then.
253 699
254 endmenu 700 endmenu
>> 701
>> 702 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 703 # but we also need it if VGA_HOSE is set
>> 704 config DUMMY_CONSOLE
>> 705 bool
>> 706 depends on VGA_HOSE
>> 707 default y
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