1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 # !! 2 config ALPHA
3 # For a description of the syntax of this conf !! 3 bool
4 # see Documentation/kbuild/kconfig-language.rs !! 4 default y
5 # !! 5 select ARCH_MIGHT_HAVE_PC_PARPORT
6 !! 6 select ARCH_MIGHT_HAVE_PC_SERIO
7 config OPENRISC !! 7 select ARCH_USE_CMPXCHG_LOCKREF
8 def_bool y !! 8 select HAVE_AOUT
9 select ARCH_32BIT_OFF_T !! 9 select HAVE_IDE
10 select ARCH_HAS_DMA_SET_UNCACHED !! 10 select HAVE_OPROFILE
11 select ARCH_HAS_DMA_CLEAR_UNCACHED !! 11 select HAVE_PCSPKR_PLATFORM
12 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 12 select HAVE_PERF_EVENTS
13 select COMMON_CLK !! 13 select NEED_DMA_MAP_STATE
14 select OF !! 14 select NEED_SG_DMA_LENGTH
15 select OF_EARLY_FLATTREE !! 15 select VIRT_TO_BUS
16 select IRQ_DOMAIN <<
17 select GPIOLIB <<
18 select HAVE_ARCH_TRACEHOOK <<
19 select SPARSE_IRQ <<
20 select GENERIC_IRQ_CHIP <<
21 select GENERIC_IRQ_PROBE 16 select GENERIC_IRQ_PROBE
>> 17 select AUTO_IRQ_AFFINITY if SMP
22 select GENERIC_IRQ_SHOW 18 select GENERIC_IRQ_SHOW
23 select GENERIC_PCI_IOMAP !! 19 select ARCH_WANT_IPC_PARSE_VERSION
24 select GENERIC_IOREMAP !! 20 select ARCH_HAVE_NMI_SAFE_CMPXCHG
25 select GENERIC_CPU_DEVICES !! 21 select AUDIT_ARCH
26 select HAVE_PCI !! 22 select GENERIC_CLOCKEVENTS
27 select HAVE_UID16 !! 23 select GENERIC_CPU_VULNERABILITIES
28 select HAVE_PAGE_SIZE_8KB <<
29 select GENERIC_ATOMIC64 <<
30 select GENERIC_CLOCKEVENTS_BROADCAST <<
31 select GENERIC_SMP_IDLE_THREAD 24 select GENERIC_SMP_IDLE_THREAD
>> 25 select GENERIC_STRNCPY_FROM_USER
>> 26 select GENERIC_STRNLEN_USER
>> 27 select HAVE_ARCH_AUDITSYSCALL
>> 28 select HAVE_MOD_ARCH_SPECIFIC
32 select MODULES_USE_ELF_RELA 29 select MODULES_USE_ELF_RELA
33 select HAVE_DEBUG_STACKOVERFLOW !! 30 select ODD_RT_SIGACTION
34 select OR1K_PIC !! 31 select OLD_SIGSUSPEND
35 select CPU_NO_EFFICIENT_FFS if !OPENRI !! 32 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
36 select ARCH_USE_QUEUED_RWLOCKS !! 33 help
37 select OMPIC if SMP !! 34 The Alpha is a 64-bit general-purpose processor designed and
38 select PCI_DOMAINS_GENERIC if PCI !! 35 marketed by the Digital Equipment Corporation of blessed memory,
39 select PCI_MSI if PCI !! 36 now Hewlett-Packard. The Alpha Linux project has a home page at
40 select ARCH_WANT_FRAME_POINTERS !! 37 <http://www.alphalinux.org/>.
41 select GENERIC_IRQ_MULTI_HANDLER <<
42 select MMU_GATHER_NO_RANGE if MMU <<
43 select TRACE_IRQFLAGS_SUPPORT <<
44 38
45 config CPU_BIG_ENDIAN !! 39 config 64BIT
46 def_bool y 40 def_bool y
47 41
48 config MMU 42 config MMU
49 def_bool y !! 43 bool
>> 44 default y
50 45
51 config GENERIC_HWEIGHT !! 46 config RWSEM_GENERIC_SPINLOCK
52 def_bool y !! 47 bool
53 48
54 config NO_IOPORT_MAP !! 49 config RWSEM_XCHGADD_ALGORITHM
55 def_bool y !! 50 bool
>> 51 default y
56 52
57 # For now, use generic checksum functions !! 53 config ARCH_HAS_ILOG2_U32
58 #These can be reimplemented in assembly later !! 54 bool
59 config GENERIC_CSUM !! 55 default n
60 def_bool y <<
61 56
62 config STACKTRACE_SUPPORT !! 57 config ARCH_HAS_ILOG2_U64
63 def_bool y !! 58 bool
>> 59 default n
>> 60
>> 61 config GENERIC_CALIBRATE_DELAY
>> 62 bool
>> 63 default y
>> 64
>> 65 config ZONE_DMA
>> 66 bool
>> 67 default y
64 68
65 config LOCKDEP_SUPPORT !! 69 config GENERIC_ISA_DMA
66 def_bool y !! 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"
67 79
68 menu "Processor type and features" !! 80 config AUDIT_ARCH
>> 81 bool
>> 82
>> 83 menu "System setup"
69 84
70 choice 85 choice
71 prompt "Subarchitecture" !! 86 prompt "Alpha system type"
72 default OR1K_1200 !! 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:
73 96
74 config OR1K_1200 !! 97 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
75 bool "OR1200" !! 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
76 help 130 help
77 Generic OpenRISC 1200 architecture !! 131 A generic kernel will run on all supported Alpha hardware.
78 132
79 endchoice !! 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.
80 142
81 config DCACHE_WRITETHROUGH !! 143 config ALPHA_XL
82 bool "Have write through data caches" !! 144 bool "Alpha-XL"
83 default n <<
84 help 145 help
85 Select this if your implementation f !! 146 XL-233 and XL-266-based Alpha systems.
86 Selecting 'N' here will allow the ke <<
87 caches at relevant times. Most OpenR <<
88 through data caches. <<
89 147
90 If unsure say N here !! 148 config ALPHA_BOOK1
>> 149 bool "AlphaBook1"
>> 150 help
>> 151 Dec AlphaBook1/Burns Alpha-based laptops.
91 152
92 config OPENRISC_BUILTIN_DTB !! 153 config ALPHA_AVANTI_CH
93 string "Builtin DTB" !! 154 bool "Avanti"
94 default "" <<
95 155
96 menu "Class II Instructions" !! 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.
97 163
98 config OPENRISC_HAVE_INST_FF1 !! 164 config ALPHA_DP264
99 bool "Have instruction l.ff1" !! 165 bool "DP264"
100 default y <<
101 help 166 help
102 Select this if your implementation h !! 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.
103 170
104 config OPENRISC_HAVE_INST_FL1 !! 171 config ALPHA_EB164
105 bool "Have instruction l.fl1" !! 172 bool "EB164"
106 default y <<
107 help 173 help
108 Select this if your implementation h !! 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.
109 180
110 config OPENRISC_HAVE_INST_MUL !! 181 config ALPHA_EB64P_CH
111 bool "Have instruction l.mul for hardw !! 182 bool "EB64+"
112 default y !! 183
>> 184 config ALPHA_EB66
>> 185 bool "EB66"
113 help 186 help
114 Select this if your implementation h !! 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".
115 192
116 config OPENRISC_HAVE_INST_DIV !! 193 config ALPHA_EB66P
117 bool "Have instruction l.div for hardw !! 194 bool "EB66+"
118 default y <<
119 help 195 help
120 Select this if your implementation h !! 196 Later variant of the EB66 board.
121 197
122 config OPENRISC_HAVE_INST_CMOV !! 198 config ALPHA_EIGER
123 bool "Have instruction l.cmov for cond !! 199 bool "Eiger"
124 default n <<
125 help 200 help
126 This config enables gcc to generate !! 201 Apparently an obscure OEM single-board computer based on the
127 the kernel which in general will imp !! 202 Typhoon/Tsunami chipset family. Information on it is scanty.
128 binary size. <<
129 203
130 Select this if your implementation h !! 204 config ALPHA_JENSEN
131 l.cmov conistional move instruction. !! 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.
132 215
133 Say N if you are unsure. !! 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>.
134 221
135 config OPENRISC_HAVE_INST_ROR !! 222 config ALPHA_LYNX
136 bool "Have instruction l.ror for rotat !! 223 bool "Lynx"
137 default n <<
138 help 224 help
139 This config enables gcc to generate !! 225 AlphaServer 2100A-based systems.
140 the kernel which in general will imp <<
141 binary size. <<
142 226
143 Select this if your implementation h !! 227 config ALPHA_MARVEL
144 l.ror rotate right instruction. !! 228 bool "Marvel"
>> 229 help
>> 230 AlphaServer ES47 / ES80 / GS1280 based on EV7.
145 231
146 Say N if you are unsure. !! 232 config ALPHA_MIATA
>> 233 bool "Miata"
>> 234 help
>> 235 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 236 or 600au).
147 237
148 config OPENRISC_HAVE_INST_RORI !! 238 config ALPHA_MIKASA
149 bool "Have instruction l.rori for rota !! 239 bool "Mikasa"
150 default n <<
151 help 240 help
152 This config enables gcc to generate !! 241 AlphaServer 1000-based Alpha systems.
153 the kernel which in general will imp <<
154 binary size. <<
155 242
156 Select this if your implementation h !! 243 config ALPHA_NAUTILUS
157 l.rori rotate right with immediate i !! 244 bool "Nautilus"
>> 245 help
>> 246 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
158 247
159 Say N if you are unsure. !! 248 config ALPHA_NONAME_CH
>> 249 bool "Noname"
160 250
161 config OPENRISC_HAVE_INST_SEXT !! 251 config ALPHA_NORITAKE
162 bool "Have instructions l.ext* for sig !! 252 bool "Noritake"
163 default n <<
164 help 253 help
165 This config enables gcc to generate !! 254 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
166 the kernel which in general will imp !! 255 systems.
167 binary size. <<
168 256
169 Select this if your implementation h !! 257 config ALPHA_PC164
170 l.exths, l.extbs, l.exthz and l.extb !! 258 bool "PC164"
171 259
172 Say N if you are unsure. !! 260 config ALPHA_P2K
>> 261 bool "Platform2000"
173 262
174 endmenu !! 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>.
175 269
176 config NR_CPUS !! 270 config ALPHA_RUFFIAN
177 int "Maximum number of CPUs (2-32)" !! 271 bool "Ruffian"
178 range 2 32 !! 272 help
179 depends on SMP !! 273 Samsung APC164UX. There is a page on known problems and workarounds
180 default "2" !! 274 at <http://www.alphalinux.org/faq/FAQ-11.html>.
181 275
182 config SMP !! 276 config ALPHA_RX164
183 bool "Symmetric Multi-Processing suppo !! 277 bool "RX164"
>> 278
>> 279 config ALPHA_SX164
>> 280 bool "SX164"
>> 281
>> 282 config ALPHA_SABLE
>> 283 bool "Sable"
184 help 284 help
185 This enables support for systems wit !! 285 Digital AlphaServer 2000 and 2100-based systems.
186 a system with only one CPU, say N. I <<
187 than one CPU, say Y. <<
188 286
189 If you don't know what to do here, s !! 287 config ALPHA_SHARK
>> 288 bool "Shark"
190 289
191 config FPU !! 290 config ALPHA_TAKARA
192 bool "FPU support" !! 291 bool "Takara"
193 default y <<
194 help 292 help
195 Say N here if you want to disable al !! 293 Alpha 11164-based OEM single-board computer.
196 in the kernel and reduce binary size <<
197 294
198 If you don't know what to do here, s !! 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.
199 304
200 source "kernel/Kconfig.hz" !! 305 endchoice
201 306
202 config OPENRISC_NO_SPR_SR_DSX !! 307 # clear all implied options (don't want default values for those):
203 bool "use SPR_SR_DSX software emulatio !! 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.
>> 310 config ISA
>> 311 bool
204 default y 312 default y
205 help 313 help
206 SPR_SR_DSX bit is status register bi !! 314 Find out whether you have ISA slots on your motherboard. ISA is the
207 the last exception has happened in d !! 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.
208 319
209 OpenRISC architecture makes it optio !! 320 config ISA_DMA_API
210 in hardware and the OR1200 does not !! 321 bool
>> 322 default y
>> 323
>> 324 config PCI
>> 325 bool
>> 326 depends on !ALPHA_JENSEN
>> 327 select GENERIC_PCI_IOMAP
>> 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.
>> 334
>> 335 config PCI_DOMAINS
>> 336 bool
>> 337 default y
211 338
212 Say N here if you know that your Ope !! 339 config PCI_SYSCALL
213 SPR_SR_DSX bit implemented. Say Y if !! 340 def_bool PCI
214 341
215 config OPENRISC_HAVE_SHADOW_GPRS !! 342 config ALPHA_NONAME
216 bool "Support for shadow gpr files" if !! 343 bool
217 default y if SMP !! 344 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 345 default y
218 help 346 help
219 Say Y here if your OpenRISC processo !! 347 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
220 register files. They will in such ca !! 348 UDB). This design was produced by Digital's Technical OEM (TOEM)
221 scratch reg storage on exception ent !! 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.
>> 354
>> 355 config ALPHA_EV4
>> 356 bool
>> 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
>> 359
>> 360 config ALPHA_LCA
>> 361 bool
>> 362 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 363 default y
>> 364
>> 365 config ALPHA_APECS
>> 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
>> 385
>> 386 config ALPHA_EV4
>> 387 bool
>> 388 default y if ALPHA_LYNX && !ALPHA_EV5
>> 389
>> 390 config ALPHA_CIA
>> 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
>> 394
>> 395 config ALPHA_EV56
>> 396 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 397 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
222 398
223 On SMP systems, this feature is mand !! 399 config ALPHA_EV56
224 On a unicore system it's safe to say !! 400 prompt "EV56 CPU (speed >= 333MHz)?"
>> 401 depends on ALPHA_NORITAKE || ALPHA_PRIMO
225 402
226 config CMDLINE !! 403 config ALPHA_EV56
227 string "Default kernel command string" !! 404 prompt "EV56 CPU (speed >= 400MHz)?"
228 default "" !! 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
229 help 410 help
230 On some architectures there is curre !! 411 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
231 to pass arguments to the kernel. For <<
232 supply some command-line options at <<
233 here. <<
234 412
235 menu "Debugging options" !! 413 config ALPHA_GAMMA
>> 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.
236 418
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 419 config ALPHA_GAMMA
238 bool "Try to die gracefully" !! 420 bool
>> 421 depends on ALPHA_LYNX
>> 422 default y
>> 423
>> 424 config ALPHA_T2
>> 425 bool
>> 426 depends on ALPHA_SABLE || ALPHA_LYNX
>> 427 default y
>> 428
>> 429 config ALPHA_PYXIS
>> 430 bool
>> 431 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 432 default y
>> 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
>> 447 help
>> 448 Is this a machine based on the EV67 core? If in doubt, select N here
>> 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
>> 455
>> 456 config ALPHA_POLARIS
>> 457 bool
>> 458 depends on ALPHA_RX164
>> 459 default y
>> 460
>> 461 config ALPHA_IRONGATE
>> 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
>> 474 help
>> 475 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 476 Alphas. Info at
>> 477 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 478
>> 479 config ALPHA_BROKEN_IRQ_MASK
>> 480 bool
>> 481 depends on ALPHA_GENERIC || ALPHA_PC164
>> 482 default y
>> 483
>> 484 config VGA_HOSE
>> 485 bool
>> 486 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
239 default y 487 default y
240 help 488 help
241 Now this puts kernel into infinite l !! 489 Support VGA on an arbitrary hose; needed for several platforms
242 your kernel crashes this doesn't hav !! 490 which always have multiple hoses, and whose consoles support it.
243 491
244 Say Y if you are unsure. <<
245 492
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 493 config ALPHA_QEMU
247 bool "Check for possible ESR exception !! 494 bool "Run under QEMU emulation"
248 default n !! 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.
>> 528
>> 529 If unsure, say N.
>> 530
>> 531 config EISA
>> 532 bool
>> 533 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
>> 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
249 help 564 help
250 This option enables some checks that !! 565 MARVEL support can handle a maximum of 32 CPUs, all the others
251 in kernel. !! 566 with working support have a maximum of 4 CPUs.
252 567
253 Say N if you are unsure. !! 568 config ARCH_DISCONTIGMEM_ENABLE
>> 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
>> 581 help
>> 582 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 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.
>> 604
>> 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
>> 611 int
>> 612 default "7"
>> 613 depends on NEED_MULTIPLE_NODES
>> 614
>> 615 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 616 config ALPHA_LARGE_VMALLOC
>> 617 bool
>> 618 ---help---
>> 619 Process creation and other aspects of virtual memory management can
>> 620 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 621 allocations. This equates to about 8GB.
>> 622
>> 623 Under normal circumstances, this is so far and above what is needed
>> 624 as to be laughable. However, there are certain applications (such
>> 625 as benchmark-grade in-kernel web serving) that can make use of as
>> 626 much vmalloc space as is available.
>> 627
>> 628 Say N unless you know you need gobs and gobs of vmalloc space.
>> 629
>> 630 config VERBOSE_MCHECK
>> 631 bool "Verbose Machine Checks"
>> 632
>> 633 config VERBOSE_MCHECK_ON
>> 634 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 635 depends on VERBOSE_MCHECK
>> 636 default 1
>> 637 ---help---
>> 638 This option allows the default printing mode to be set, and then
>> 639 possibly overridden by a boot command argument.
>> 640
>> 641 For example, if one wanted the option of printing verbose
>> 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.
254 648
255 endmenu !! 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
>> 678
>> 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
>> 687
>> 688 source "drivers/pci/Kconfig"
>> 689 source "drivers/eisa/Kconfig"
>> 690
>> 691 source "drivers/pcmcia/Kconfig"
>> 692
>> 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).
>> 712
>> 713 This driver is also available as a module and will be called
>> 714 srm_env then.
>> 715
>> 716 source "fs/Kconfig.binfmt"
256 717
257 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
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.