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_NO_PREEMPT
8 def_bool y !! 8 select ARCH_NO_SG_CHAIN
9 select ARCH_32BIT_OFF_T !! 9 select ARCH_USE_CMPXCHG_LOCKREF
10 select ARCH_HAS_DMA_SET_UNCACHED !! 10 select FORCE_PCI if !ALPHA_JENSEN
11 select ARCH_HAS_DMA_CLEAR_UNCACHED !! 11 select PCI_DOMAINS if PCI
12 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 12 select PCI_SYSCALL if PCI
13 select COMMON_CLK !! 13 select HAVE_AOUT
14 select OF !! 14 select HAVE_IDE
15 select OF_EARLY_FLATTREE !! 15 select HAVE_OPROFILE
16 select IRQ_DOMAIN !! 16 select HAVE_PCSPKR_PLATFORM
17 select GPIOLIB !! 17 select HAVE_PERF_EVENTS
18 select HAVE_ARCH_TRACEHOOK !! 18 select NEED_DMA_MAP_STATE
19 select SPARSE_IRQ !! 19 select NEED_SG_DMA_LENGTH
20 select GENERIC_IRQ_CHIP !! 20 select VIRT_TO_BUS
21 select GENERIC_IRQ_PROBE 21 select GENERIC_IRQ_PROBE
>> 22 select GENERIC_PCI_IOMAP if PCI
>> 23 select AUTO_IRQ_AFFINITY if SMP
22 select GENERIC_IRQ_SHOW 24 select GENERIC_IRQ_SHOW
23 select GENERIC_PCI_IOMAP !! 25 select ARCH_WANT_IPC_PARSE_VERSION
24 select GENERIC_IOREMAP !! 26 select ARCH_HAVE_NMI_SAFE_CMPXCHG
25 select GENERIC_CPU_DEVICES !! 27 select AUDIT_ARCH
26 select HAVE_PCI !! 28 select GENERIC_CLOCKEVENTS
27 select HAVE_UID16 !! 29 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 30 select GENERIC_SMP_IDLE_THREAD
>> 31 select GENERIC_STRNCPY_FROM_USER
>> 32 select GENERIC_STRNLEN_USER
>> 33 select HAVE_ARCH_AUDITSYSCALL
>> 34 select HAVE_MOD_ARCH_SPECIFIC
32 select MODULES_USE_ELF_RELA 35 select MODULES_USE_ELF_RELA
33 select HAVE_DEBUG_STACKOVERFLOW !! 36 select ODD_RT_SIGACTION
34 select OR1K_PIC !! 37 select OLD_SIGSUSPEND
35 select CPU_NO_EFFICIENT_FFS if !OPENRI !! 38 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
36 select ARCH_USE_QUEUED_RWLOCKS !! 39 help
37 select OMPIC if SMP !! 40 The Alpha is a 64-bit general-purpose processor designed and
38 select PCI_DOMAINS_GENERIC if PCI !! 41 marketed by the Digital Equipment Corporation of blessed memory,
39 select PCI_MSI if PCI !! 42 now Hewlett-Packard. The Alpha Linux project has a home page at
40 select ARCH_WANT_FRAME_POINTERS !! 43 <http://www.alphalinux.org/>.
41 select GENERIC_IRQ_MULTI_HANDLER <<
42 select MMU_GATHER_NO_RANGE if MMU <<
43 select TRACE_IRQFLAGS_SUPPORT <<
44 44
45 config CPU_BIG_ENDIAN !! 45 config 64BIT
46 def_bool y 46 def_bool y
47 47
48 config MMU 48 config MMU
49 def_bool y !! 49 bool
>> 50 default y
50 51
51 config GENERIC_HWEIGHT !! 52 config RWSEM_GENERIC_SPINLOCK
52 def_bool y !! 53 bool
53 54
54 config NO_IOPORT_MAP !! 55 config RWSEM_XCHGADD_ALGORITHM
55 def_bool y !! 56 bool
>> 57 default y
56 58
57 # For now, use generic checksum functions !! 59 config ARCH_HAS_ILOG2_U32
58 #These can be reimplemented in assembly later !! 60 bool
59 config GENERIC_CSUM !! 61 default n
60 def_bool y <<
61 62
62 config STACKTRACE_SUPPORT !! 63 config ARCH_HAS_ILOG2_U64
63 def_bool y !! 64 bool
>> 65 default n
64 66
65 config LOCKDEP_SUPPORT !! 67 config GENERIC_CALIBRATE_DELAY
66 def_bool y !! 68 bool
>> 69 default y
67 70
68 menu "Processor type and features" !! 71 config ZONE_DMA
>> 72 bool
>> 73 default y
>> 74
>> 75 config GENERIC_ISA_DMA
>> 76 bool
>> 77 default y
>> 78
>> 79 config PGTABLE_LEVELS
>> 80 int
>> 81 default 3
>> 82
>> 83 config AUDIT_ARCH
>> 84 bool
>> 85
>> 86 menu "System setup"
69 87
70 choice 88 choice
71 prompt "Subarchitecture" !! 89 prompt "Alpha system type"
72 default OR1K_1200 !! 90 default ALPHA_GENERIC
>> 91 ---help---
>> 92 This is the system type of your hardware. A "generic" kernel will
>> 93 run on any supported Alpha system. However, if you configure a
>> 94 kernel for your specific system, it will be faster and smaller.
73 95
74 config OR1K_1200 !! 96 To find out what type of Alpha system you have, you may want to
75 bool "OR1200" !! 97 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 98 <http://www.alphalinux.org/>. In summary:
>> 99
>> 100 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
>> 101 Alpha-XL XL-233, XL-266
>> 102 AlphaBook1 Alpha laptop
>> 103 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 104 Cabriolet AlphaPC64, AlphaPCI64
>> 105 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 106 EB164 EB164 21164 evaluation board
>> 107 EB64+ EB64+ 21064 evaluation board
>> 108 EB66 EB66 21066 evaluation board
>> 109 EB66+ EB66+ 21066 evaluation board
>> 110 Jensen DECpc 150, DEC 2000 models 300, 500
>> 111 LX164 AlphaPC164-LX
>> 112 Lynx AS 2100A
>> 113 Miata Personal Workstation 433/500/600 a/au
>> 114 Marvel AlphaServer ES47 / ES80 / GS1280
>> 115 Mikasa AS 1000
>> 116 Noname AXPpci33, UDB (Multia)
>> 117 Noritake AS 1000A, AS 600A, AS 800
>> 118 PC164 AlphaPC164
>> 119 Rawhide AS 1200, AS 4000, AS 4100
>> 120 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 121 SX164 AlphaPC164-SX
>> 122 Sable AS 2000, AS 2100
>> 123 Shark DS 20L
>> 124 Takara Takara (OEM)
>> 125 Titan AlphaServer ES45 / DS25 / DS15
>> 126 Wildfire AlphaServer GS 40/80/160/320
>> 127
>> 128 If you don't know what to do, choose "generic".
>> 129
>> 130 config ALPHA_GENERIC
>> 131 bool "Generic"
>> 132 depends on TTY
>> 133 select HAVE_EISA
76 help 134 help
77 Generic OpenRISC 1200 architecture !! 135 A generic kernel will run on all supported Alpha hardware.
78 136
79 endchoice !! 137 config ALPHA_ALCOR
>> 138 bool "Alcor/Alpha-XLT"
>> 139 select HAVE_EISA
>> 140 help
>> 141 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 142 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 143 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 144 controller (256-bit memory bus) and a PCI interface. It also does
>> 145 all the work required to support an external Bcache and to maintain
>> 146 memory coherence when a PCI device DMAs into (or out of) memory.
80 147
81 config DCACHE_WRITETHROUGH !! 148 config ALPHA_XL
82 bool "Have write through data caches" !! 149 bool "Alpha-XL"
83 default n <<
84 help 150 help
85 Select this if your implementation f !! 151 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. <<
89 152
90 If unsure say N here !! 153 config ALPHA_BOOK1
>> 154 bool "AlphaBook1"
>> 155 help
>> 156 Dec AlphaBook1/Burns Alpha-based laptops.
91 157
92 config OPENRISC_BUILTIN_DTB !! 158 config ALPHA_AVANTI_CH
93 string "Builtin DTB" !! 159 bool "Avanti"
94 default "" <<
95 160
96 menu "Class II Instructions" !! 161 config ALPHA_CABRIOLET
>> 162 bool "Cabriolet"
>> 163 help
>> 164 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 165 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 166 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 167 Bcache SIMMs. Requires power supply with 3.3V output.
97 168
98 config OPENRISC_HAVE_INST_FF1 !! 169 config ALPHA_DP264
99 bool "Have instruction l.ff1" !! 170 bool "DP264"
100 default y <<
101 help 171 help
102 Select this if your implementation h !! 172 Various 21264 systems with the tsunami core logic chipset.
>> 173 API Networks: 264DP, UP2000(+), CS20;
>> 174 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
103 175
104 config OPENRISC_HAVE_INST_FL1 !! 176 config ALPHA_EB164
105 bool "Have instruction l.fl1" !! 177 bool "EB164"
106 default y <<
107 help 178 help
108 Select this if your implementation h !! 179 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 180 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 181 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 182 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 183 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 184 motherboard. Requires power supply with 3.3V output.
109 185
110 config OPENRISC_HAVE_INST_MUL !! 186 config ALPHA_EB64P_CH
111 bool "Have instruction l.mul for hardw !! 187 bool "EB64+"
112 default y !! 188
>> 189 config ALPHA_EB66
>> 190 bool "EB66"
113 help 191 help
114 Select this if your implementation h !! 192 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 193 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 194 supply. The EB66 schematic was published as a marketing poster
>> 195 advertising the 21066 as "the first microprocessor in the world with
>> 196 embedded PCI".
115 197
116 config OPENRISC_HAVE_INST_DIV !! 198 config ALPHA_EB66P
117 bool "Have instruction l.div for hardw !! 199 bool "EB66+"
118 default y <<
119 help 200 help
120 Select this if your implementation h !! 201 Later variant of the EB66 board.
121 202
122 config OPENRISC_HAVE_INST_CMOV !! 203 config ALPHA_EIGER
123 bool "Have instruction l.cmov for cond !! 204 bool "Eiger"
124 default n <<
125 help 205 help
126 This config enables gcc to generate !! 206 Apparently an obscure OEM single-board computer based on the
127 the kernel which in general will imp !! 207 Typhoon/Tsunami chipset family. Information on it is scanty.
128 binary size. <<
129 208
130 Select this if your implementation h !! 209 config ALPHA_JENSEN
131 l.cmov conistional move instruction. !! 210 bool "Jensen"
>> 211 depends on BROKEN
>> 212 select HAVE_EISA
>> 213 help
>> 214 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 215 of the first-generation Alpha systems. A number of these systems
>> 216 seem to be available on the second- hand market. The Jensen is a
>> 217 floor-standing tower system which originally used a 150MHz 21064 It
>> 218 used programmable logic to interface a 486 EISA I/O bridge to the
>> 219 CPU.
132 220
133 Say N if you are unsure. !! 221 config ALPHA_LX164
>> 222 bool "LX164"
>> 223 help
>> 224 A technical overview of this board is available at
>> 225 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
134 226
135 config OPENRISC_HAVE_INST_ROR !! 227 config ALPHA_LYNX
136 bool "Have instruction l.ror for rotat !! 228 bool "Lynx"
137 default n !! 229 select HAVE_EISA
138 help 230 help
139 This config enables gcc to generate !! 231 AlphaServer 2100A-based systems.
140 the kernel which in general will imp <<
141 binary size. <<
142 232
143 Select this if your implementation h !! 233 config ALPHA_MARVEL
144 l.ror rotate right instruction. !! 234 bool "Marvel"
>> 235 help
>> 236 AlphaServer ES47 / ES80 / GS1280 based on EV7.
145 237
146 Say N if you are unsure. !! 238 config ALPHA_MIATA
>> 239 bool "Miata"
>> 240 select HAVE_EISA
>> 241 help
>> 242 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 243 or 600au).
147 244
148 config OPENRISC_HAVE_INST_RORI !! 245 config ALPHA_MIKASA
149 bool "Have instruction l.rori for rota !! 246 bool "Mikasa"
150 default n <<
151 help 247 help
152 This config enables gcc to generate !! 248 AlphaServer 1000-based Alpha systems.
153 the kernel which in general will imp <<
154 binary size. <<
155 249
156 Select this if your implementation h !! 250 config ALPHA_NAUTILUS
157 l.rori rotate right with immediate i !! 251 bool "Nautilus"
>> 252 help
>> 253 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
158 254
159 Say N if you are unsure. !! 255 config ALPHA_NONAME_CH
>> 256 bool "Noname"
160 257
161 config OPENRISC_HAVE_INST_SEXT !! 258 config ALPHA_NORITAKE
162 bool "Have instructions l.ext* for sig !! 259 bool "Noritake"
163 default n !! 260 select HAVE_EISA
164 help 261 help
165 This config enables gcc to generate !! 262 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
166 the kernel which in general will imp !! 263 systems.
167 binary size. <<
168 264
169 Select this if your implementation h !! 265 config ALPHA_PC164
170 l.exths, l.extbs, l.exthz and l.extb !! 266 bool "PC164"
171 267
172 Say N if you are unsure. !! 268 config ALPHA_P2K
>> 269 bool "Platform2000"
173 270
174 endmenu !! 271 config ALPHA_RAWHIDE
>> 272 bool "Rawhide"
>> 273 select HAVE_EISA
>> 274 help
>> 275 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 276 See HOWTO at
>> 277 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
175 278
176 config NR_CPUS !! 279 config ALPHA_RUFFIAN
177 int "Maximum number of CPUs (2-32)" !! 280 bool "Ruffian"
178 range 2 32 !! 281 help
179 depends on SMP !! 282 Samsung APC164UX. There is a page on known problems and workarounds
180 default "2" !! 283 at <http://www.alphalinux.org/faq/FAQ-11.html>.
181 284
182 config SMP !! 285 config ALPHA_RX164
183 bool "Symmetric Multi-Processing suppo !! 286 bool "RX164"
>> 287
>> 288 config ALPHA_SX164
>> 289 bool "SX164"
>> 290
>> 291 config ALPHA_SABLE
>> 292 bool "Sable"
>> 293 select HAVE_EISA
184 help 294 help
185 This enables support for systems wit !! 295 Digital AlphaServer 2000 and 2100-based systems.
186 a system with only one CPU, say N. I <<
187 than one CPU, say Y. <<
188 296
189 If you don't know what to do here, s !! 297 config ALPHA_SHARK
>> 298 bool "Shark"
190 299
191 config FPU !! 300 config ALPHA_TAKARA
192 bool "FPU support" !! 301 bool "Takara"
193 default y <<
194 help 302 help
195 Say N here if you want to disable al !! 303 Alpha 11164-based OEM single-board computer.
196 in the kernel and reduce binary size <<
197 304
198 If you don't know what to do here, s !! 305 config ALPHA_TITAN
>> 306 bool "Titan"
>> 307 help
>> 308 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
199 309
200 source "kernel/Kconfig.hz" !! 310 config ALPHA_WILDFIRE
>> 311 bool "Wildfire"
>> 312 help
>> 313 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
201 314
202 config OPENRISC_NO_SPR_SR_DSX !! 315 endchoice
203 bool "use SPR_SR_DSX software emulatio !! 316
>> 317 # clear all implied options (don't want default values for those):
>> 318 # Most of these machines have ISA slots; not exactly sure which don't,
>> 319 # and this doesn't activate hordes of code, so do it always.
>> 320 config ISA
>> 321 bool
204 default y 322 default y
205 help 323 help
206 SPR_SR_DSX bit is status register bi !! 324 Find out whether you have ISA slots on your motherboard. ISA is the
207 the last exception has happened in d !! 325 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 326 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 327 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 328 newer boards don't support it. If you have ISA, say Y, otherwise N.
208 329
209 OpenRISC architecture makes it optio !! 330 config ISA_DMA_API
210 in hardware and the OR1200 does not !! 331 bool
>> 332 default y
211 333
212 Say N here if you know that your Ope !! 334 config ALPHA_NONAME
213 SPR_SR_DSX bit implemented. Say Y if !! 335 bool
>> 336 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 337 default y
>> 338 help
>> 339 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 340 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 341 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 342 is a baby-AT size, and runs from a standard PC power supply. It has
>> 343 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 344 2 versions, with either PS/2 or large DIN connectors for the
>> 345 keyboard.
>> 346
>> 347 config ALPHA_EV4
>> 348 bool
>> 349 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
>> 350 default y if !ALPHA_LYNX
>> 351
>> 352 config ALPHA_LCA
>> 353 bool
>> 354 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 355 default y
214 356
215 config OPENRISC_HAVE_SHADOW_GPRS !! 357 config ALPHA_APECS
216 bool "Support for shadow gpr files" if !! 358 bool
217 default y if SMP !! 359 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 360 default y
>> 361
>> 362 config ALPHA_EB64P
>> 363 bool
>> 364 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 365 default y
218 help 366 help
219 Say Y here if your OpenRISC processo !! 367 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
220 register files. They will in such ca !! 368 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
221 scratch reg storage on exception ent !! 369 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 370 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 371 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 372 Runs from standard PC power supply.
>> 373
>> 374 config ALPHA_EV5
>> 375 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 376 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
>> 377
>> 378 config ALPHA_EV4
>> 379 bool
>> 380 default y if ALPHA_LYNX && !ALPHA_EV5
>> 381
>> 382 config ALPHA_CIA
>> 383 bool
>> 384 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
>> 385 default y
222 386
223 On SMP systems, this feature is mand !! 387 config ALPHA_EV56
224 On a unicore system it's safe to say !! 388 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 389 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
225 390
226 config CMDLINE !! 391 config ALPHA_EV56
227 string "Default kernel command string" !! 392 prompt "EV56 CPU (speed >= 333MHz)?"
228 default "" !! 393 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 394
>> 395 config ALPHA_EV56
>> 396 prompt "EV56 CPU (speed >= 400MHz)?"
>> 397 depends on ALPHA_RAWHIDE
>> 398
>> 399 config ALPHA_PRIMO
>> 400 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 401 depends on ALPHA_NORITAKE || ALPHA_MIKASA
>> 402 help
>> 403 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
>> 404
>> 405 config ALPHA_GAMMA
>> 406 bool "EV5 CPU(s) (model 5/xxx)?"
>> 407 depends on ALPHA_SABLE
229 help 408 help
230 On some architectures there is curre !! 409 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
231 to pass arguments to the kernel. For <<
232 supply some command-line options at <<
233 here. <<
234 410
235 menu "Debugging options" !! 411 config ALPHA_GAMMA
>> 412 bool
>> 413 depends on ALPHA_LYNX
>> 414 default y
>> 415
>> 416 config ALPHA_T2
>> 417 bool
>> 418 depends on ALPHA_SABLE || ALPHA_LYNX
>> 419 default y
236 420
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 421 config ALPHA_PYXIS
238 bool "Try to die gracefully" !! 422 bool
>> 423 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 424 default y
>> 425
>> 426 config ALPHA_EV6
>> 427 bool
>> 428 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 429 default y
>> 430
>> 431 config ALPHA_TSUNAMI
>> 432 bool
>> 433 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 434 default y
>> 435
>> 436 config ALPHA_EV67
>> 437 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 438 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 439 help
>> 440 Is this a machine based on the EV67 core? If in doubt, select N here
>> 441 and the machine will be treated as an EV6.
>> 442
>> 443 config ALPHA_MCPCIA
>> 444 bool
>> 445 depends on ALPHA_RAWHIDE
>> 446 default y
>> 447
>> 448 config ALPHA_POLARIS
>> 449 bool
>> 450 depends on ALPHA_RX164
>> 451 default y
>> 452
>> 453 config ALPHA_IRONGATE
>> 454 bool
>> 455 depends on ALPHA_NAUTILUS
>> 456 default y
>> 457
>> 458 config GENERIC_HWEIGHT
>> 459 bool
>> 460 default y if !ALPHA_EV67
>> 461
>> 462 config ALPHA_AVANTI
>> 463 bool
>> 464 depends on ALPHA_XL || ALPHA_AVANTI_CH
239 default y 465 default y
240 help 466 help
241 Now this puts kernel into infinite l !! 467 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
242 your kernel crashes this doesn't hav !! 468 Alphas. Info at
>> 469 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 470
>> 471 config ALPHA_BROKEN_IRQ_MASK
>> 472 bool
>> 473 depends on ALPHA_GENERIC || ALPHA_PC164
>> 474 default y
243 475
244 Say Y if you are unsure. !! 476 config VGA_HOSE
>> 477 bool
>> 478 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 479 default y
>> 480 help
>> 481 Support VGA on an arbitrary hose; needed for several platforms
>> 482 which always have multiple hoses, and whose consoles support it.
245 483
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 484
247 bool "Check for possible ESR exception !! 485 config ALPHA_QEMU
248 default n !! 486 bool "Run under QEMU emulation"
>> 487 depends on !ALPHA_GENERIC
>> 488 ---help---
>> 489 Assume the presence of special features supported by QEMU PALcode
>> 490 that reduce the overhead of system emulation.
>> 491
>> 492 Generic kernels will auto-detect QEMU. But when building a
>> 493 system-specific kernel, the assumption is that we want to
>> 494 eliminate as many runtime tests as possible.
>> 495
>> 496 If unsure, say N.
>> 497
>> 498
>> 499 config ALPHA_SRM
>> 500 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
>> 501 depends on TTY
>> 502 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
>> 503 ---help---
>> 504 There are two different types of booting firmware on Alphas: SRM,
>> 505 which is command line driven, and ARC, which uses menus and arrow
>> 506 keys. Details about the Linux/Alpha booting process are contained in
>> 507 the Linux/Alpha FAQ, accessible on the WWW from
>> 508 <http://www.alphalinux.org/>.
>> 509
>> 510 The usual way to load Linux on an Alpha machine is to use MILO
>> 511 (a bootloader that lets you pass command line parameters to the
>> 512 kernel just like lilo does for the x86 architecture) which can be
>> 513 loaded either from ARC or can be installed directly as a permanent
>> 514 firmware replacement from floppy (which requires changing a certain
>> 515 jumper on the motherboard). If you want to do either of these, say N
>> 516 here. If MILO doesn't work on your system (true for Jensen
>> 517 motherboards), you can bypass it altogether and boot Linux directly
>> 518 from an SRM console; say Y here in order to do that. Note that you
>> 519 won't be able to boot from an IDE disk using SRM.
>> 520
>> 521 If unsure, say N.
>> 522
>> 523 config ARCH_MAY_HAVE_PC_FDC
>> 524 def_bool y
>> 525
>> 526 config SMP
>> 527 bool "Symmetric multi-processing support"
>> 528 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 529 ---help---
>> 530 This enables support for systems with more than one CPU. If you have
>> 531 a system with only one CPU, say N. If you have a system with more
>> 532 than one CPU, say Y.
>> 533
>> 534 If you say N here, the kernel will run on uni- and multiprocessor
>> 535 machines, but will use only one CPU of a multiprocessor machine. If
>> 536 you say Y here, the kernel will run on many, but not all,
>> 537 uniprocessor machines. On a uniprocessor machine, the kernel
>> 538 will run faster if you say N here.
>> 539
>> 540 See also the SMP-HOWTO available at
>> 541 <http://www.tldp.org/docs.html#howto>.
>> 542
>> 543 If you don't know what to do here, say N.
>> 544
>> 545 config NR_CPUS
>> 546 int "Maximum number of CPUs (2-32)"
>> 547 range 2 32
>> 548 depends on SMP
>> 549 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 550 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
249 help 551 help
250 This option enables some checks that !! 552 MARVEL support can handle a maximum of 32 CPUs, all the others
251 in kernel. !! 553 with working support have a maximum of 4 CPUs.
252 554
253 Say N if you are unsure. !! 555 config ARCH_DISCONTIGMEM_ENABLE
>> 556 bool "Discontiguous Memory Support"
>> 557 help
>> 558 Say Y to support efficient handling of discontiguous physical memory,
>> 559 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 560 or have huge holes in the physical address space for other reasons.
>> 561 See <file:Documentation/vm/numa.rst> for more.
>> 562
>> 563 config NUMA
>> 564 bool "NUMA Support (EXPERIMENTAL)"
>> 565 depends on DISCONTIGMEM && BROKEN
>> 566 help
>> 567 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 568 Access). This option is for configuring high-end multiprocessor
>> 569 server machines. If in doubt, say N.
>> 570
>> 571 config ALPHA_WTINT
>> 572 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 573 default y if ALPHA_QEMU
>> 574 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 575 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 576 default y if SMP
>> 577 ---help---
>> 578 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 579 to sleep until the next interrupt. This may reduce the power
>> 580 consumed, and the heat produced by the computer. However, it has
>> 581 the side effect of making the cycle counter unreliable as a timing
>> 582 device across the sleep.
>> 583
>> 584 For emulation under QEMU, definitely say Y here, as we have other
>> 585 mechanisms for measuring time than the cycle counter.
>> 586
>> 587 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 588 MILO, sleep mode is not supported so you might as well say N here.
>> 589
>> 590 For SMP systems we cannot use the cycle counter for timing anyway,
>> 591 so you might as well say Y here.
>> 592
>> 593 If unsure, say N.
>> 594
>> 595 config NODES_SHIFT
>> 596 int
>> 597 default "7"
>> 598 depends on NEED_MULTIPLE_NODES
>> 599
>> 600 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 601 config ALPHA_LARGE_VMALLOC
>> 602 bool
>> 603 ---help---
>> 604 Process creation and other aspects of virtual memory management can
>> 605 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 606 allocations. This equates to about 8GB.
>> 607
>> 608 Under normal circumstances, this is so far and above what is needed
>> 609 as to be laughable. However, there are certain applications (such
>> 610 as benchmark-grade in-kernel web serving) that can make use of as
>> 611 much vmalloc space as is available.
>> 612
>> 613 Say N unless you know you need gobs and gobs of vmalloc space.
>> 614
>> 615 config VERBOSE_MCHECK
>> 616 bool "Verbose Machine Checks"
>> 617
>> 618 config VERBOSE_MCHECK_ON
>> 619 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 620 depends on VERBOSE_MCHECK
>> 621 default 1
>> 622 ---help---
>> 623 This option allows the default printing mode to be set, and then
>> 624 possibly overridden by a boot command argument.
>> 625
>> 626 For example, if one wanted the option of printing verbose
>> 627 machine checks, but wanted the default to be as if verbose
>> 628 machine check printing was turned off, then one would choose
>> 629 the printing mode to be 0. Then, upon reboot, one could add
>> 630 the boot command line "verbose_mcheck=1" to get the normal
>> 631 verbose machine check printing, or "verbose_mcheck=2" to get
>> 632 the maximum information available.
254 633
255 endmenu !! 634 Take the default (1) unless you want more control or more info.
>> 635
>> 636 choice
>> 637 prompt "Timer interrupt frequency (HZ)?"
>> 638 default HZ_128 if ALPHA_QEMU
>> 639 default HZ_1200 if ALPHA_RAWHIDE
>> 640 default HZ_1024
>> 641 ---help---
>> 642 The frequency at which timer interrupts occur. A high frequency
>> 643 minimizes latency, whereas a low frequency minimizes overhead of
>> 644 process accounting. The later effect is especially significant
>> 645 when being run under QEMU.
>> 646
>> 647 Note that some Alpha hardware cannot change the interrupt frequency
>> 648 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 649
>> 650 config HZ_32
>> 651 bool "32 Hz"
>> 652 config HZ_64
>> 653 bool "64 Hz"
>> 654 config HZ_128
>> 655 bool "128 Hz"
>> 656 config HZ_256
>> 657 bool "256 Hz"
>> 658 config HZ_1024
>> 659 bool "1024 Hz"
>> 660 config HZ_1200
>> 661 bool "1200 Hz"
>> 662 endchoice
>> 663
>> 664 config HZ
>> 665 int
>> 666 default 32 if HZ_32
>> 667 default 64 if HZ_64
>> 668 default 128 if HZ_128
>> 669 default 256 if HZ_256
>> 670 default 1200 if HZ_1200
>> 671 default 1024
>> 672
>> 673 config SRM_ENV
>> 674 tristate "SRM environment through procfs"
>> 675 depends on PROC_FS
>> 676 ---help---
>> 677 If you enable this option, a subdirectory inside /proc called
>> 678 /proc/srm_environment will give you access to the all important
>> 679 SRM environment variables (those which have a name) and also
>> 680 to all others (by their internal number).
>> 681
>> 682 SRM is something like a BIOS for Alpha machines. There are some
>> 683 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 684 support (hey, that's not SRM!).
>> 685
>> 686 Despite the fact that this driver doesn't work on all Alphas (but
>> 687 only on those which have SRM as their firmware), it's save to
>> 688 build it even if your particular machine doesn't know about SRM
>> 689 (or if you intend to compile a generic kernel). It will simply
>> 690 not create those subdirectory in /proc (and give you some warning,
>> 691 of course).
>> 692
>> 693 This driver is also available as a module and will be called
>> 694 srm_env then.
256 695
257 endmenu 696 endmenu
>> 697
>> 698 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 699 # but we also need it if VGA_HOSE is set
>> 700 config DUMMY_CONSOLE
>> 701 bool
>> 702 depends on VGA_HOSE
>> 703 default y
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