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TOMOYO Linux Cross Reference
Linux/arch/alpha/Kconfig

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Diff markup

Differences between /arch/alpha/Kconfig (Version linux-6.12-rc7) and /arch/alpha/Kconfig (Version linux-5.10.229)


  1 # SPDX-License-Identifier: GPL-2.0                  1 # SPDX-License-Identifier: GPL-2.0
  2 config ALPHA                                        2 config ALPHA
  3         bool                                        3         bool
  4         default y                                   4         default y
  5         select ARCH_32BIT_USTAT_F_TINODE       << 
  6         select ARCH_HAS_CURRENT_STACK_POINTER  << 
  7         select ARCH_HAS_DMA_OPS if PCI         << 
  8         select ARCH_MIGHT_HAVE_PC_PARPORT           5         select ARCH_MIGHT_HAVE_PC_PARPORT
  9         select ARCH_MIGHT_HAVE_PC_SERIO             6         select ARCH_MIGHT_HAVE_PC_SERIO
 10         select ARCH_NO_PREEMPT                      7         select ARCH_NO_PREEMPT
 11         select ARCH_NO_SG_CHAIN                     8         select ARCH_NO_SG_CHAIN
 12         select ARCH_USE_CMPXCHG_LOCKREF             9         select ARCH_USE_CMPXCHG_LOCKREF
 13         select FORCE_PCI                       !!  10         select DMA_OPS if PCI
                                                   >>  11         select FORCE_PCI if !ALPHA_JENSEN
 14         select PCI_DOMAINS if PCI                  12         select PCI_DOMAINS if PCI
 15         select PCI_SYSCALL if PCI                  13         select PCI_SYSCALL if PCI
                                                   >>  14         select HAVE_AOUT
 16         select HAVE_ASM_MODVERSIONS                15         select HAVE_ASM_MODVERSIONS
 17         select HAVE_PAGE_SIZE_8KB              !!  16         select HAVE_IDE
                                                   >>  17         select HAVE_OPROFILE
 18         select HAVE_PCSPKR_PLATFORM                18         select HAVE_PCSPKR_PLATFORM
 19         select HAVE_PERF_EVENTS                    19         select HAVE_PERF_EVENTS
 20         select NEED_DMA_MAP_STATE                  20         select NEED_DMA_MAP_STATE
 21         select NEED_SG_DMA_LENGTH                  21         select NEED_SG_DMA_LENGTH
                                                   >>  22         select VIRT_TO_BUS
 22         select GENERIC_IRQ_PROBE                   23         select GENERIC_IRQ_PROBE
 23         select GENERIC_PCI_IOMAP               !!  24         select GENERIC_PCI_IOMAP if PCI
 24         select AUTO_IRQ_AFFINITY if SMP            25         select AUTO_IRQ_AFFINITY if SMP
 25         select GENERIC_IRQ_SHOW                    26         select GENERIC_IRQ_SHOW
 26         select ARCH_WANT_IPC_PARSE_VERSION         27         select ARCH_WANT_IPC_PARSE_VERSION
 27         select ARCH_HAVE_NMI_SAFE_CMPXCHG          28         select ARCH_HAVE_NMI_SAFE_CMPXCHG
 28         select AUDIT_ARCH                          29         select AUDIT_ARCH
                                                   >>  30         select GENERIC_CLOCKEVENTS
 29         select GENERIC_CPU_VULNERABILITIES         31         select GENERIC_CPU_VULNERABILITIES
 30         select GENERIC_SMP_IDLE_THREAD             32         select GENERIC_SMP_IDLE_THREAD
 31         select HAS_IOPORT                      !!  33         select GENERIC_STRNCPY_FROM_USER
                                                   >>  34         select GENERIC_STRNLEN_USER
 32         select HAVE_ARCH_AUDITSYSCALL              35         select HAVE_ARCH_AUDITSYSCALL
 33         select HAVE_MOD_ARCH_SPECIFIC              36         select HAVE_MOD_ARCH_SPECIFIC
 34         select LOCK_MM_AND_FIND_VMA            << 
 35         select MODULES_USE_ELF_RELA                37         select MODULES_USE_ELF_RELA
 36         select ODD_RT_SIGACTION                    38         select ODD_RT_SIGACTION
 37         select OLD_SIGSUSPEND                      39         select OLD_SIGSUSPEND
 38         select CPU_NO_EFFICIENT_FFS if !ALPHA_     40         select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
 39         select MMU_GATHER_NO_RANGE                 41         select MMU_GATHER_NO_RANGE
 40         select SPARSEMEM_EXTREME if SPARSEMEM  !!  42         select SET_FS
 41         select ZONE_DMA                        << 
 42         help                                       43         help
 43           The Alpha is a 64-bit general-purpos     44           The Alpha is a 64-bit general-purpose processor designed and
 44           marketed by the Digital Equipment Co     45           marketed by the Digital Equipment Corporation of blessed memory,
 45           now Hewlett-Packard.  The Alpha Linu     46           now Hewlett-Packard.  The Alpha Linux project has a home page at
 46           <http://www.alphalinux.org/>.            47           <http://www.alphalinux.org/>.
 47                                                    48 
 48 config 64BIT                                       49 config 64BIT
 49         def_bool y                                 50         def_bool y
 50                                                    51 
 51 config MMU                                         52 config MMU
 52         bool                                       53         bool
 53         default y                                  54         default y
 54                                                    55 
 55 config ARCH_HAS_ILOG2_U32                          56 config ARCH_HAS_ILOG2_U32
 56         bool                                       57         bool
 57         default n                                  58         default n
 58                                                    59 
 59 config ARCH_HAS_ILOG2_U64                          60 config ARCH_HAS_ILOG2_U64
 60         bool                                       61         bool
 61         default n                                  62         default n
 62                                                    63 
 63 config GENERIC_CALIBRATE_DELAY                     64 config GENERIC_CALIBRATE_DELAY
 64         bool                                       65         bool
 65         default y                                  66         default y
 66                                                    67 
                                                   >>  68 config ZONE_DMA
                                                   >>  69         bool
                                                   >>  70         default y
                                                   >>  71 
 67 config GENERIC_ISA_DMA                             72 config GENERIC_ISA_DMA
 68         bool                                       73         bool
 69         default y                                  74         default y
 70                                                    75 
 71 config PGTABLE_LEVELS                              76 config PGTABLE_LEVELS
 72         int                                        77         int
 73         default 3                                  78         default 3
 74                                                    79 
 75 config AUDIT_ARCH                                  80 config AUDIT_ARCH
 76         bool                                       81         bool
 77                                                    82 
 78 menu "System setup"                                83 menu "System setup"
 79                                                    84 
 80 choice                                             85 choice
 81         prompt "Alpha system type"                 86         prompt "Alpha system type"
 82         default ALPHA_GENERIC                      87         default ALPHA_GENERIC
 83         help                                       88         help
 84           This is the system type of your hard     89           This is the system type of your hardware.  A "generic" kernel will
 85           run on any supported Alpha system. H     90           run on any supported Alpha system. However, if you configure a
 86           kernel for your specific system, it      91           kernel for your specific system, it will be faster and smaller.
 87                                                    92 
 88           To find out what type of Alpha syste     93           To find out what type of Alpha system you have, you may want to
 89           check out the Linux/Alpha FAQ, acces     94           check out the Linux/Alpha FAQ, accessible on the WWW from
 90           <http://www.alphalinux.org/>. In sum     95           <http://www.alphalinux.org/>. In summary:
 91                                                    96 
 92           Alcor/Alpha-XLT     AS 600, AS 500,      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
 93           DP264               DP264 / DS20 / E    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
 94           LX164               AlphaPC164-LX       108           LX164               AlphaPC164-LX
                                                   >> 109           Lynx                AS 2100A
 95           Miata               Personal Worksta    110           Miata               Personal Workstation 433/500/600 a/au
 96           Marvel              AlphaServer ES47    111           Marvel              AlphaServer ES47 / ES80 / GS1280
 97           Mikasa              AS 1000             112           Mikasa              AS 1000
                                                   >> 113           Noname              AXPpci33, UDB (Multia)
 98           Noritake            AS 1000A, AS 600    114           Noritake            AS 1000A, AS 600A, AS 800
 99           PC164               AlphaPC164          115           PC164               AlphaPC164
100           Rawhide             AS 1200, AS 4000    116           Rawhide             AS 1200, AS 4000, AS 4100
101           Ruffian             RPX164-2, AlphaP    117           Ruffian             RPX164-2, AlphaPC164-UX, AlphaPC164-BX
102           SX164               AlphaPC164-SX       118           SX164               AlphaPC164-SX
103           Sable               AS 2000, AS 2100    119           Sable               AS 2000, AS 2100
104           Shark               DS 20L              120           Shark               DS 20L
105           Takara              Takara (OEM)        121           Takara              Takara (OEM)
106           Titan               AlphaServer ES45    122           Titan               AlphaServer ES45 / DS25 / DS15
107           Wildfire            AlphaServer GS 4    123           Wildfire            AlphaServer GS 40/80/160/320
108                                                   124 
109           If you don't know what to do, choose    125           If you don't know what to do, choose "generic".
110                                                   126 
111 config ALPHA_GENERIC                              127 config ALPHA_GENERIC
112         bool "Generic"                            128         bool "Generic"
113         depends on TTY                            129         depends on TTY
114         select HAVE_EISA                          130         select HAVE_EISA
115         help                                      131         help
116           A generic kernel will run on all sup    132           A generic kernel will run on all supported Alpha hardware.
117                                                   133 
118 config ALPHA_ALCOR                                134 config ALPHA_ALCOR
119         bool "Alcor/Alpha-XLT"                    135         bool "Alcor/Alpha-XLT"
120         select HAVE_EISA                          136         select HAVE_EISA
121         help                                      137         help
122           For systems using the Digital ALCOR     138           For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
123           slices (Data Switch, DSW) - 208-pin     139           slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
124           Address, CIA) - a 383 pin plastic PG    140           Address, CIA) - a 383 pin plastic PGA).  It provides a DRAM
125           controller (256-bit memory bus) and     141           controller (256-bit memory bus) and a PCI interface.  It also does
126           all the work required to support an     142           all the work required to support an external Bcache and to maintain
127           memory coherence when a PCI device D    143           memory coherence when a PCI device DMAs into (or out of) memory.
128                                                   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 
129 config ALPHA_DP264                                166 config ALPHA_DP264
130         bool "DP264"                              167         bool "DP264"
131         help                                      168         help
132           Various 21264 systems with the tsuna    169           Various 21264 systems with the tsunami core logic chipset.
133           API Networks: 264DP, UP2000(+), CS20    170           API Networks: 264DP, UP2000(+), CS20;
134           Compaq: DS10(E,L), XP900, XP1000, DS    171           Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
135                                                   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.
                                                   >> 199 
136 config ALPHA_EIGER                                200 config ALPHA_EIGER
137         bool "Eiger"                              201         bool "Eiger"
138         help                                      202         help
139           Apparently an obscure OEM single-boa    203           Apparently an obscure OEM single-board computer based on the
140           Typhoon/Tsunami chipset family. Info    204           Typhoon/Tsunami chipset family. Information on it is scanty.
141                                                   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 
142 config ALPHA_LX164                                218 config ALPHA_LX164
143         bool "LX164"                              219         bool "LX164"
144         help                                      220         help
145           A technical overview of this board i    221           A technical overview of this board is available at
146           <http://www.unix-ag.org/Linux-Alpha/    222           <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
147                                                   223 
                                                   >> 224 config ALPHA_LYNX
                                                   >> 225         bool "Lynx"
                                                   >> 226         select HAVE_EISA
                                                   >> 227         help
                                                   >> 228           AlphaServer 2100A-based systems.
                                                   >> 229 
148 config ALPHA_MARVEL                               230 config ALPHA_MARVEL
149         bool "Marvel"                             231         bool "Marvel"
150         help                                      232         help
151           AlphaServer ES47 / ES80 / GS1280 bas    233           AlphaServer ES47 / ES80 / GS1280 based on EV7.
152                                                   234 
153 config ALPHA_MIATA                                235 config ALPHA_MIATA
154         bool "Miata"                              236         bool "Miata"
155         select HAVE_EISA                          237         select HAVE_EISA
156         help                                      238         help
157           The Digital PersonalWorkStation (PWS    239           The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
158           or 600au).                              240           or 600au).
159                                                   241 
160 config ALPHA_MIKASA                               242 config ALPHA_MIKASA
161         bool "Mikasa"                             243         bool "Mikasa"
162         help                                      244         help
163           AlphaServer 1000-based Alpha systems    245           AlphaServer 1000-based Alpha systems.
164                                                   246 
165 config ALPHA_NAUTILUS                             247 config ALPHA_NAUTILUS
166         bool "Nautilus"                           248         bool "Nautilus"
167         help                                      249         help
168           Alpha systems based on the AMD 751 &    250           Alpha systems based on the AMD 751 & ALI 1543C chipsets.
169                                                   251 
                                                   >> 252 config ALPHA_NONAME_CH
                                                   >> 253         bool "Noname"
                                                   >> 254 
170 config ALPHA_NORITAKE                             255 config ALPHA_NORITAKE
171         bool "Noritake"                           256         bool "Noritake"
172         select HAVE_EISA                          257         select HAVE_EISA
173         help                                      258         help
174           AlphaServer 1000A, AlphaServer 600A,    259           AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
175           systems.                                260           systems.
176                                                   261 
177 config ALPHA_PC164                                262 config ALPHA_PC164
178         bool "PC164"                              263         bool "PC164"
179                                                   264 
                                                   >> 265 config ALPHA_P2K
                                                   >> 266         bool "Platform2000"
                                                   >> 267 
180 config ALPHA_RAWHIDE                              268 config ALPHA_RAWHIDE
181         bool "Rawhide"                            269         bool "Rawhide"
182         select HAVE_EISA                          270         select HAVE_EISA
183         help                                      271         help
184           AlphaServer 1200, AlphaServer 4000 a    272           AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
185           See HOWTO at                            273           See HOWTO at
186           <http://www.alphalinux.org/docs/rawh    274           <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
187                                                   275 
188 config ALPHA_RUFFIAN                              276 config ALPHA_RUFFIAN
189         bool "Ruffian"                            277         bool "Ruffian"
190         help                                      278         help
191           Samsung APC164UX.  There is a page o    279           Samsung APC164UX.  There is a page on known problems and workarounds
192           at <http://www.alphalinux.org/faq/FA    280           at <http://www.alphalinux.org/faq/FAQ-11.html>.
193                                                   281 
194 config ALPHA_RX164                                282 config ALPHA_RX164
195         bool "RX164"                              283         bool "RX164"
196                                                   284 
197 config ALPHA_SX164                                285 config ALPHA_SX164
198         bool "SX164"                              286         bool "SX164"
199                                                   287 
200 config ALPHA_SABLE                                288 config ALPHA_SABLE
201         bool "Sable"                              289         bool "Sable"
202         select HAVE_EISA                          290         select HAVE_EISA
203         help                                      291         help
204           Digital AlphaServer 2000 and 2100-ba    292           Digital AlphaServer 2000 and 2100-based systems.
205                                                   293 
206 config ALPHA_SHARK                                294 config ALPHA_SHARK
207         bool "Shark"                              295         bool "Shark"
208                                                   296 
209 config ALPHA_TAKARA                               297 config ALPHA_TAKARA
210         bool "Takara"                             298         bool "Takara"
211         help                                      299         help
212           Alpha 11164-based OEM single-board c    300           Alpha 11164-based OEM single-board computer.
213                                                   301 
214 config ALPHA_TITAN                                302 config ALPHA_TITAN
215         bool "Titan"                              303         bool "Titan"
216         help                                      304         help
217           AlphaServer ES45/DS25 SMP based on E    305           AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
218                                                   306 
219 config ALPHA_WILDFIRE                             307 config ALPHA_WILDFIRE
220         bool "Wildfire"                           308         bool "Wildfire"
221         help                                      309         help
222           AlphaServer GS 40/80/160/320 SMP bas    310           AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
223                                                   311 
224 endchoice                                         312 endchoice
225                                                   313 
226 # clear all implied options (don't want defaul    314 # clear all implied options (don't want default values for those):
227 # Most of these machines have ISA slots; not e    315 # Most of these machines have ISA slots; not exactly sure which don't,
228 # and this doesn't activate hordes of code, so    316 # and this doesn't activate hordes of code, so do it always.
229 config ISA                                        317 config ISA
230         bool                                      318         bool
231         default y                                 319         default y
232         help                                      320         help
233           Find out whether you have ISA slots     321           Find out whether you have ISA slots on your motherboard.  ISA is the
234           name of a bus system, i.e. the way t    322           name of a bus system, i.e. the way the CPU talks to the other stuff
235           inside your box.  Other bus systems     323           inside your box.  Other bus systems are PCI, EISA, MicroChannel
236           (MCA) or VESA.  ISA is an older syst    324           (MCA) or VESA.  ISA is an older system, now being displaced by PCI;
237           newer boards don't support it.  If y    325           newer boards don't support it.  If you have ISA, say Y, otherwise N.
238                                                   326 
239 config ISA_DMA_API                                327 config ISA_DMA_API
240         bool                                      328         bool
241         default y                                 329         default y
242                                                   330 
                                                   >> 331 config ALPHA_NONAME
                                                   >> 332         bool
                                                   >> 333         depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
                                                   >> 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
                                                   >> 348 
                                                   >> 349 config ALPHA_LCA
                                                   >> 350         bool
                                                   >> 351         depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
                                                   >> 352         default y
                                                   >> 353 
                                                   >> 354 config ALPHA_APECS
                                                   >> 355         bool
                                                   >> 356         depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
                                                   >> 357         default y
                                                   >> 358 
                                                   >> 359 config ALPHA_EB64P
                                                   >> 360         bool
                                                   >> 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.
                                                   >> 370 
                                                   >> 371 config ALPHA_EV5
                                                   >> 372         bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
                                                   >> 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
                                                   >> 374 
                                                   >> 375 config ALPHA_EV4
                                                   >> 376         bool
                                                   >> 377         default y if ALPHA_LYNX && !ALPHA_EV5
                                                   >> 378 
243 config ALPHA_CIA                                  379 config ALPHA_CIA
244         bool                                      380         bool
245         depends on ALPHA_MIATA || ALPHA_LX164  !! 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
246         default y                                 382         default y
247                                                   383 
248 config ALPHA_EV56                                 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
249         bool                                      409         bool
250         default y if ALPHA_ALCOR || ALPHA_RX16 !! 410         depends on ALPHA_LYNX
                                                   >> 411         default y
251                                                   412 
252 config ALPHA_T2                                   413 config ALPHA_T2
253         bool                                      414         bool
254         depends on ALPHA_SABLE                 !! 415         depends on ALPHA_SABLE || ALPHA_LYNX
255         default y                                 416         default y
256                                                   417 
257 config ALPHA_PYXIS                                418 config ALPHA_PYXIS
258         bool                                      419         bool
259         depends on ALPHA_MIATA || ALPHA_LX164     420         depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
260         default y                                 421         default y
261                                                   422 
262 config ALPHA_EV6                                  423 config ALPHA_EV6
263         bool                                      424         bool
264         depends on ALPHA_NAUTILUS || ALPHA_WIL    425         depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
265         default y                                 426         default y
266                                                   427 
267 config ALPHA_TSUNAMI                              428 config ALPHA_TSUNAMI
268         bool                                      429         bool
269         depends on ALPHA_SHARK || ALPHA_DP264     430         depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
270         default y                                 431         default y
271                                                   432 
272 config ALPHA_EV67                                 433 config ALPHA_EV67
273         bool "EV67 (or later) CPU (speed > 600    434         bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
274         default y if ALPHA_NAUTILUS || ALPHA_W    435         default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
275         help                                      436         help
276           Is this a machine based on the EV67     437           Is this a machine based on the EV67 core?  If in doubt, select N here
277           and the machine will be treated as a    438           and the machine will be treated as an EV6.
278                                                   439 
279 config ALPHA_MCPCIA                               440 config ALPHA_MCPCIA
280         bool                                      441         bool
281         depends on ALPHA_RAWHIDE                  442         depends on ALPHA_RAWHIDE
282         default y                                 443         default y
283                                                   444 
284 config ALPHA_POLARIS                              445 config ALPHA_POLARIS
285         bool                                      446         bool
286         depends on ALPHA_RX164                    447         depends on ALPHA_RX164
287         default y                                 448         default y
288                                                   449 
289 config ALPHA_IRONGATE                             450 config ALPHA_IRONGATE
290         bool                                      451         bool
291         depends on ALPHA_NAUTILUS                 452         depends on ALPHA_NAUTILUS
292         default y                                 453         default y
293                                                   454 
294 config GENERIC_HWEIGHT                            455 config GENERIC_HWEIGHT
295         bool                                      456         bool
296         default y if !ALPHA_EV67                  457         default y if !ALPHA_EV67
297                                                   458 
                                                   >> 459 config ALPHA_AVANTI
                                                   >> 460         bool
                                                   >> 461         depends on ALPHA_XL || ALPHA_AVANTI_CH
                                                   >> 462         default y
                                                   >> 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>.
                                                   >> 467 
298 config ALPHA_BROKEN_IRQ_MASK                      468 config ALPHA_BROKEN_IRQ_MASK
299         bool                                      469         bool
300         depends on ALPHA_GENERIC || ALPHA_PC16    470         depends on ALPHA_GENERIC || ALPHA_PC164
301         default y                                 471         default y
302                                                   472 
303 config VGA_HOSE                                   473 config VGA_HOSE
304         bool                                      474         bool
305         depends on VGA_CONSOLE && (ALPHA_GENER    475         depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
306         default y                                 476         default y
307         help                                      477         help
308           Support VGA on an arbitrary hose; ne    478           Support VGA on an arbitrary hose; needed for several platforms
309           which always have multiple hoses, an    479           which always have multiple hoses, and whose consoles support it.
310                                                   480 
311                                                   481 
312 config ALPHA_QEMU                                 482 config ALPHA_QEMU
313         bool "Run under QEMU emulation"           483         bool "Run under QEMU emulation"
314         depends on !ALPHA_GENERIC                 484         depends on !ALPHA_GENERIC
315         help                                      485         help
316           Assume the presence of special featu    486           Assume the presence of special features supported by QEMU PALcode
317           that reduce the overhead of system e    487           that reduce the overhead of system emulation.
318                                                   488 
319           Generic kernels will auto-detect QEM    489           Generic kernels will auto-detect QEMU.  But when building a
320           system-specific kernel, the assumpti    490           system-specific kernel, the assumption is that we want to
321           eliminate as many runtime tests as p    491           eliminate as many runtime tests as possible.
322                                                   492 
323           If unsure, say N.                       493           If unsure, say N.
324                                                   494 
325                                                   495 
326 config ALPHA_SRM                                  496 config ALPHA_SRM
327         bool "Use SRM as bootloader" if ALPHA_ !! 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
328         depends on TTY                            498         depends on TTY
329         default y if ALPHA_MIKASA || ALPHA_SAB !! 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
330         help                                      500         help
331           There are two different types of boo    501           There are two different types of booting firmware on Alphas: SRM,
332           which is command line driven, and AR    502           which is command line driven, and ARC, which uses menus and arrow
333           keys. Details about the Linux/Alpha     503           keys. Details about the Linux/Alpha booting process are contained in
334           the Linux/Alpha FAQ, accessible on t    504           the Linux/Alpha FAQ, accessible on the WWW from
335           <http://www.alphalinux.org/>.           505           <http://www.alphalinux.org/>.
336                                                   506 
337           The usual way to load Linux on an Al    507           The usual way to load Linux on an Alpha machine is to use MILO
338           (a bootloader that lets you pass com    508           (a bootloader that lets you pass command line parameters to the
339           kernel just like lilo does for the x    509           kernel just like lilo does for the x86 architecture) which can be
340           loaded either from ARC or can be ins    510           loaded either from ARC or can be installed directly as a permanent
341           firmware replacement from floppy (wh    511           firmware replacement from floppy (which requires changing a certain
342           jumper on the motherboard). If you w    512           jumper on the motherboard). If you want to do either of these, say N
343           here. If MILO doesn't work on your s    513           here. If MILO doesn't work on your system (true for Jensen
344           motherboards), you can bypass it alt    514           motherboards), you can bypass it altogether and boot Linux directly
345           from an SRM console; say Y here in o    515           from an SRM console; say Y here in order to do that. Note that you
346           won't be able to boot from an IDE di    516           won't be able to boot from an IDE disk using SRM.
347                                                   517 
348           If unsure, say N.                       518           If unsure, say N.
349                                                   519 
350 config ARCH_MAY_HAVE_PC_FDC                       520 config ARCH_MAY_HAVE_PC_FDC
351         def_bool y                                521         def_bool y
352                                                   522 
353 config SMP                                        523 config SMP
354         bool "Symmetric multi-processing suppo    524         bool "Symmetric multi-processing support"
355         depends on ALPHA_SABLE || ALPHA_RAWHID !! 525         depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
356         help                                      526         help
357           This enables support for systems wit    527           This enables support for systems with more than one CPU. If you have
358           a system with only one CPU, say N. I    528           a system with only one CPU, say N. If you have a system with more
359           than one CPU, say Y.                    529           than one CPU, say Y.
360                                                   530 
361           If you say N here, the kernel will r    531           If you say N here, the kernel will run on uni- and multiprocessor
362           machines, but will use only one CPU     532           machines, but will use only one CPU of a multiprocessor machine. If
363           you say Y here, the kernel will run     533           you say Y here, the kernel will run on many, but not all,
364           uniprocessor machines. On a uniproce    534           uniprocessor machines. On a uniprocessor machine, the kernel
365           will run faster if you say N here.      535           will run faster if you say N here.
366                                                   536 
367           See also the SMP-HOWTO available at     537           See also the SMP-HOWTO available at
368           <https://www.tldp.org/docs.html#howt !! 538           <http://www.tldp.org/docs.html#howto>.
369                                                   539 
370           If you don't know what to do here, s    540           If you don't know what to do here, say N.
371                                                   541 
372 config NR_CPUS                                    542 config NR_CPUS
373         int "Maximum number of CPUs (2-32)"       543         int "Maximum number of CPUs (2-32)"
374         range 2 32                                544         range 2 32
375         depends on SMP                            545         depends on SMP
376         default "32" if ALPHA_GENERIC || ALPHA    546         default "32" if ALPHA_GENERIC || ALPHA_MARVEL
377         default "4" if !ALPHA_GENERIC && !ALPH    547         default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
378         help                                      548         help
379           MARVEL support can handle a maximum     549           MARVEL support can handle a maximum of 32 CPUs, all the others
380           with working support have a maximum     550           with working support have a maximum of 4 CPUs.
381                                                   551 
382 config ARCH_SPARSEMEM_ENABLE                   !! 552 config ARCH_DISCONTIGMEM_ENABLE
383         bool "Sparse Memory Support"           !! 553         bool "Discontiguous Memory Support"
384         help                                      554         help
385           Say Y to support efficient handling     555           Say Y to support efficient handling of discontiguous physical memory,
386           for systems that have huge holes in  !! 556           for architectures which are either NUMA (Non-Uniform Memory Access)
                                                   >> 557           or have huge holes in the physical address space for other reasons.
                                                   >> 558           See <file:Documentation/vm/numa.rst> for more.
                                                   >> 559 
                                                   >> 560 config NUMA
                                                   >> 561         bool "NUMA Support (EXPERIMENTAL)"
                                                   >> 562         depends on DISCONTIGMEM && BROKEN
                                                   >> 563         help
                                                   >> 564           Say Y to compile the kernel to support NUMA (Non-Uniform Memory
                                                   >> 565           Access).  This option is for configuring high-end multiprocessor
                                                   >> 566           server machines.  If in doubt, say N.
387                                                   567 
388 config ALPHA_WTINT                                568 config ALPHA_WTINT
389         bool "Use WTINT" if ALPHA_SRM || ALPHA    569         bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
390         default y if ALPHA_QEMU                   570         default y if ALPHA_QEMU
391         default n if ALPHA_EV56                !! 571         default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
392         default n if !ALPHA_SRM && !ALPHA_GENE    572         default n if !ALPHA_SRM && !ALPHA_GENERIC
393         default y if SMP                          573         default y if SMP
394         help                                      574         help
395           The Wait for Interrupt (WTINT) PALca    575           The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
396           to sleep until the next interrupt.      576           to sleep until the next interrupt.  This may reduce the power
397           consumed, and the heat produced by t    577           consumed, and the heat produced by the computer.  However, it has
398           the side effect of making the cycle     578           the side effect of making the cycle counter unreliable as a timing
399           device across the sleep.                579           device across the sleep.
400                                                   580 
401           For emulation under QEMU, definitely    581           For emulation under QEMU, definitely say Y here, as we have other
402           mechanisms for measuring time than t    582           mechanisms for measuring time than the cycle counter.
403                                                   583 
404           For EV4 (but not LCA), EV5 and EV56     584           For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
405           MILO, sleep mode is not supported so    585           MILO, sleep mode is not supported so you might as well say N here.
406                                                   586 
407           For SMP systems we cannot use the cy    587           For SMP systems we cannot use the cycle counter for timing anyway,
408           so you might as well say Y here.        588           so you might as well say Y here.
409                                                   589 
410           If unsure, say N.                       590           If unsure, say N.
                                                   >> 591 
                                                   >> 592 config NODES_SHIFT
                                                   >> 593         int
                                                   >> 594         default "7"
                                                   >> 595         depends on NEED_MULTIPLE_NODES
411                                                   596 
412 # LARGE_VMALLOC is racy, if you *really* need     597 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
413 config ALPHA_LARGE_VMALLOC                        598 config ALPHA_LARGE_VMALLOC
414         bool                                      599         bool
415         help                                      600         help
416           Process creation and other aspects o    601           Process creation and other aspects of virtual memory management can
417           be streamlined if we restrict the ke    602           be streamlined if we restrict the kernel to one PGD for all vmalloc
418           allocations.  This equates to about     603           allocations.  This equates to about 8GB.
419                                                   604 
420           Under normal circumstances, this is     605           Under normal circumstances, this is so far and above what is needed
421           as to be laughable.  However, there     606           as to be laughable.  However, there are certain applications (such
422           as benchmark-grade in-kernel web ser    607           as benchmark-grade in-kernel web serving) that can make use of as
423           much vmalloc space as is available.     608           much vmalloc space as is available.
424                                                   609 
425           Say N unless you know you need gobs     610           Say N unless you know you need gobs and gobs of vmalloc space.
426                                                   611 
427 config VERBOSE_MCHECK                             612 config VERBOSE_MCHECK
428         bool "Verbose Machine Checks"             613         bool "Verbose Machine Checks"
429                                                   614 
430 config VERBOSE_MCHECK_ON                          615 config VERBOSE_MCHECK_ON
431         int "Verbose Printing Mode (0=off, 1=o    616         int "Verbose Printing Mode (0=off, 1=on, 2=all)"
432         depends on VERBOSE_MCHECK                 617         depends on VERBOSE_MCHECK
433         default 1                                 618         default 1
434         help                                      619         help
435           This option allows the default print    620           This option allows the default printing mode to be set, and then
436           possibly overridden by a boot comman    621           possibly overridden by a boot command argument.
437                                                   622 
438           For example, if one wanted the optio    623           For example, if one wanted the option of printing verbose
439           machine checks, but wanted the defau    624           machine checks, but wanted the default to be as if verbose
440           machine check printing was turned of    625           machine check printing was turned off, then one would choose
441           the printing mode to be 0. Then, upo    626           the printing mode to be 0. Then, upon reboot, one could add
442           the boot command line "verbose_mchec    627           the boot command line "verbose_mcheck=1" to get the normal
443           verbose machine check printing, or "    628           verbose machine check printing, or "verbose_mcheck=2" to get
444           the maximum information available.      629           the maximum information available.
445                                                   630 
446           Take the default (1) unless you want    631           Take the default (1) unless you want more control or more info.
447                                                   632 
448 choice                                            633 choice
449         prompt "Timer interrupt frequency (HZ)    634         prompt "Timer interrupt frequency (HZ)?"
450         default HZ_128 if ALPHA_QEMU              635         default HZ_128 if ALPHA_QEMU
451         default HZ_1200 if ALPHA_RAWHIDE          636         default HZ_1200 if ALPHA_RAWHIDE
452         default HZ_1024                           637         default HZ_1024
453         help                                      638         help
454           The frequency at which timer interru    639           The frequency at which timer interrupts occur.  A high frequency
455           minimizes latency, whereas a low fre    640           minimizes latency, whereas a low frequency minimizes overhead of
456           process accounting.  The later effec    641           process accounting.  The later effect is especially significant
457           when being run under QEMU.              642           when being run under QEMU.
458                                                   643 
459           Note that some Alpha hardware cannot    644           Note that some Alpha hardware cannot change the interrupt frequency
460           of the timer.  If unsure, say 1024 (    645           of the timer.  If unsure, say 1024 (or 1200 for Rawhide).
461                                                   646 
462         config HZ_32                              647         config HZ_32
463                 bool "32 Hz"                      648                 bool "32 Hz"
464         config HZ_64                              649         config HZ_64
465                 bool "64 Hz"                      650                 bool "64 Hz"
466         config HZ_128                             651         config HZ_128
467                 bool "128 Hz"                     652                 bool "128 Hz"
468         config HZ_256                             653         config HZ_256
469                 bool "256 Hz"                     654                 bool "256 Hz"
470         config HZ_1024                            655         config HZ_1024
471                 bool "1024 Hz"                    656                 bool "1024 Hz"
472         config HZ_1200                            657         config HZ_1200
473                 bool "1200 Hz"                    658                 bool "1200 Hz"
474 endchoice                                         659 endchoice
475                                                   660 
476 config HZ                                         661 config HZ
477         int                                       662         int
478         default 32 if HZ_32                       663         default 32 if HZ_32
479         default 64 if HZ_64                       664         default 64 if HZ_64
480         default 128 if HZ_128                     665         default 128 if HZ_128
481         default 256 if HZ_256                     666         default 256 if HZ_256
482         default 1200 if HZ_1200                   667         default 1200 if HZ_1200
483         default 1024                              668         default 1024
484                                                   669 
485 config SRM_ENV                                    670 config SRM_ENV
486         tristate "SRM environment through proc    671         tristate "SRM environment through procfs"
487         depends on PROC_FS                        672         depends on PROC_FS
488         help                                      673         help
489           If you enable this option, a subdire    674           If you enable this option, a subdirectory inside /proc called
490           /proc/srm_environment will give you     675           /proc/srm_environment will give you access to the all important
491           SRM environment variables (those whi    676           SRM environment variables (those which have a name) and also
492           to all others (by their internal num    677           to all others (by their internal number).
493                                                   678 
494           SRM is something like a BIOS for Alp    679           SRM is something like a BIOS for Alpha machines. There are some
495           other such BIOSes, like AlphaBIOS, w    680           other such BIOSes, like AlphaBIOS, which this driver cannot
496           support (hey, that's not SRM!).         681           support (hey, that's not SRM!).
497                                                   682 
498           Despite the fact that this driver do    683           Despite the fact that this driver doesn't work on all Alphas (but
499           only on those which have SRM as thei    684           only on those which have SRM as their firmware), it's save to
500           build it even if your particular mac    685           build it even if your particular machine doesn't know about SRM
501           (or if you intend to compile a gener    686           (or if you intend to compile a generic kernel). It will simply
502           not create those subdirectory in /pr    687           not create those subdirectory in /proc (and give you some warning,
503           of course).                             688           of course).
504                                                   689 
505           This driver is also available as a m    690           This driver is also available as a module and will be called
506           srm_env then.                           691           srm_env then.
507                                                   692 
508 endmenu                                           693 endmenu
509                                                   694 
510 # DUMMY_CONSOLE may be defined in drivers/vide    695 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
511 # but we also need it if VGA_HOSE is set          696 # but we also need it if VGA_HOSE is set
512 config DUMMY_CONSOLE                              697 config DUMMY_CONSOLE
513         bool                                      698         bool
514         depends on VGA_HOSE                       699         depends on VGA_HOSE
515         default y                                 700         default y
                                                      

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