blob: dda1f558ef35c5fa9113c763c846924ee24f93dc [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001config PARISC
2 def_bool y
Mark Salter4a24fb22013-10-07 22:14:01 -04003 select ARCH_MIGHT_HAVE_PC_PARPORT
Sam Ravnborgec7748b2008-02-09 10:46:40 +01004 select HAVE_IDE
Mathieu Desnoyers42d4b832008-02-02 15:10:34 -05005 select HAVE_OPROFILE
Helge Deller366dd4e2016-04-13 22:27:22 +02006 select HAVE_FUNCTION_TRACER
7 select HAVE_FUNCTION_GRAPH_TRACER
Helge Dellerfc791682016-04-13 22:44:54 +02008 select HAVE_SYSCALL_TRACEPOINTS
Helge Deller4530c492013-02-27 00:37:12 +01009 select ARCH_WANT_FRAME_POINTERS
Helge Deller18d98a72016-10-16 00:02:27 +020010 select ARCH_HAS_ELF_RANDOMIZE
Laura Abbottad21fc42017-02-06 16:31:57 -080011 select ARCH_HAS_STRICT_KERNEL_RWX
Kyle McMartin9eb16862008-09-10 14:24:07 +000012 select RTC_CLASS
Geert Uytterhoeven3afe6d02009-02-19 16:46:49 +010013 select RTC_DRV_GENERIC
Rusty Russell98a79d62008-12-13 21:19:41 +103014 select INIT_ALL_POSSIBLE
Helge Deller4fe9e1d92016-10-07 16:50:21 +020015 select HAVE_MEMBLOCK
16 select NO_BOOTMEM
Kyle McMartinf67d3c82009-03-25 14:09:10 +000017 select BUG
Helge Deller0de79852016-03-23 16:00:46 +010018 select BUILDTIME_EXTABLE_SORT
Ingo Molnarcdd6c482009-09-21 12:02:48 +020019 select HAVE_PERF_EVENTS
Kyle McMartin64daa442009-07-02 13:10:29 -040020 select GENERIC_ATOMIC64 if !64BIT
Thomas Gleixner72e73af2011-01-19 20:38:30 +010021 select GENERIC_IRQ_PROBE
Michael S. Tsirkin629a8582011-11-24 21:11:16 +020022 select GENERIC_PCI_IOMAP
Huang Yingdf013ff2011-07-13 13:14:22 +080023 select ARCH_HAVE_NMI_SAFE_CMPXCHG
Thomas Gleixner9a134722012-04-20 13:05:56 +000024 select GENERIC_SMP_IDLE_THREAD
James Bottomleyb1195c02012-05-26 09:48:19 +010025 select GENERIC_STRNCPY_FROM_USER
Vineet Guptabf14e3b2013-01-18 15:12:24 +053026 select SYSCTL_ARCH_UNALIGN_ALLOW
Helge Dellerfef47e22014-05-05 18:07:12 +020027 select SYSCTL_EXCEPTION_TRACE
David Howells786d35d2012-09-28 14:31:03 +093028 select HAVE_MOD_ARCH_SPECIFIC
Stephen Rothwell4febd952013-03-07 15:48:16 +110029 select VIRT_TO_BUS
David Howells786d35d2012-09-28 14:31:03 +093030 select MODULES_USE_ELF_RELA
Al Viro415bfae2012-10-26 19:59:16 -040031 select CLONE_BACKWARDS
Joe Millenbach4f73bc42013-01-17 22:44:22 -080032 select TTY # Needed for pdc_cons.c
Dave Hansend1a1dc02013-07-01 13:04:42 -070033 select HAVE_DEBUG_STACKOVERFLOW
AKASHI Takahiro7a017722014-02-25 18:16:24 +090034 select HAVE_ARCH_AUDITSYSCALL
George Spelvin773e1c52016-06-07 19:45:06 -040035 select HAVE_ARCH_HASH
Helge Deller910cd322016-03-30 14:14:31 +020036 select HAVE_ARCH_SECCOMP_FILTER
Helge Deller64e2a422016-04-01 22:40:53 +020037 select HAVE_ARCH_TRACEHOOK
Helge Deller43b1f6a2016-11-22 18:08:30 +010038 select GENERIC_SCHED_CLOCK
39 select HAVE_UNSTABLE_SCHED_CLOCK if SMP
40 select GENERIC_CLOCKEVENTS
Christoph Hellwig79387172016-01-20 15:01:47 -080041 select ARCH_NO_COHERENT_DMA_MMAP
Zhaoxiu Zengfff7fb02016-05-20 17:03:57 -070042 select CPU_NO_EFFICIENT_FFS
Thomas Gleixner72e73af2011-01-19 20:38:30 +010043
Linus Torvalds1da177e2005-04-16 15:20:36 -070044 help
45 The PA-RISC microprocessor is designed by Hewlett-Packard and used
46 in many of their workstations & servers (HP9000 700 and 800 series,
47 and later HP3000 series). The PA-RISC Linux project home page is
48 at <http://www.parisc-linux.org/>.
49
Babu Moger74ad3d282017-07-06 09:34:19 -070050config CPU_BIG_ENDIAN
51 def_bool y
52
Linus Torvalds1da177e2005-04-16 15:20:36 -070053config MMU
54 def_bool y
55
56config STACK_GROWSUP
57 def_bool y
58
Nick Piggin95c354f2008-01-30 13:31:20 +010059config GENERIC_LOCKBREAK
60 bool
61 default y
62 depends on SMP && PREEMPT
63
Linus Torvalds1da177e2005-04-16 15:20:36 -070064config RWSEM_GENERIC_SPINLOCK
65 def_bool y
66
67config RWSEM_XCHGADD_ALGORITHM
68 bool
69
David Howellsf0d1b0b2006-12-08 02:37:49 -080070config ARCH_HAS_ILOG2_U32
71 bool
72 default n
73
74config ARCH_HAS_ILOG2_U64
75 bool
76 default n
77
Helge Deller6891f8a2006-12-16 16:16:50 +010078config GENERIC_BUG
79 bool
80 default y
81 depends on BUG
82
Akinobu Mita59e18a22006-03-26 01:39:31 -080083config GENERIC_HWEIGHT
84 bool
85 default y
86
Linus Torvalds1da177e2005-04-16 15:20:36 -070087config GENERIC_CALIBRATE_DELAY
88 bool
89 default y
90
Ingo Molnar06027bd2006-02-14 13:53:15 -080091config TIME_LOW_RES
92 bool
93 depends on SMP
94 default y
95
Linus Torvalds1da177e2005-04-16 15:20:36 -070096# unless you want to implement ACPI on PA-RISC ... ;-)
97config PM
98 bool
99
Helge Deller548f1172009-02-06 21:50:39 +0100100config STACKTRACE_SUPPORT
101 def_bool y
102
FUJITA Tomonori74a0bd62010-03-10 15:23:26 -0800103config NEED_DMA_MAP_STATE
104 def_bool y
105
FUJITA Tomonorif6ae31c2010-05-26 14:44:43 -0700106config NEED_SG_DMA_LENGTH
107 def_bool y
108
Al Viro5cae841b2005-05-04 05:39:22 +0100109config ISA_DMA_API
110 bool
Al Viro5cae841b2005-05-04 05:39:22 +0100111
viro@ZenIV.linux.org.uka08b6b72005-09-06 01:48:42 +0100112config ARCH_MAY_HAVE_PC_FDC
113 bool
Grant Grundler8b631342005-10-21 22:52:46 -0400114 depends on BROKEN
viro@ZenIV.linux.org.uka08b6b72005-09-06 01:48:42 +0100115 default y
116
Kirill A. Shutemovf24ffde2015-04-14 15:45:54 -0700117config PGTABLE_LEVELS
118 int
119 default 3 if 64BIT && PARISC_PAGE_SIZE_4KB
120 default 2
121
Helge Deller736d2162015-11-22 00:07:06 +0100122config SYS_SUPPORTS_HUGETLBFS
123 def_bool y if PA20
124
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125source "init/Kconfig"
126
Matt Helsleydc52ddc2008-10-18 20:27:21 -0700127source "kernel/Kconfig.freezer"
128
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129
130menu "Processor type and features"
131
132choice
133 prompt "Processor type"
134 default PA7000
135
136config PA7000
137 bool "PA7000/PA7100"
138 ---help---
139 This is the processor type of your CPU. This information is
140 used for optimizing purposes. In order to compile a kernel
141 that can run on all 32-bit PA CPUs (albeit not optimally fast),
142 you can specify "PA7000" here.
143
144 Specifying "PA8000" here will allow you to select a 64-bit kernel
145 which is required on some machines.
146
147config PA7100LC
148 bool "PA7100LC"
149 help
150 Select this option for the PCX-L processor, as used in the
151 712, 715/64, 715/80, 715/100, 715/100XC, 725/100, 743, 748,
152 D200, D210, D300, D310 and E-class
153
154config PA7200
155 bool "PA7200"
156 help
157 Select this option for the PCX-T' processor, as used in the
158 C100, C110, J100, J110, J210XC, D250, D260, D350, D360,
159 K100, K200, K210, K220, K400, K410 and K420
160
161config PA7300LC
162 bool "PA7300LC"
163 help
164 Select this option for the PCX-L2 processor, as used in the
165 744, A180, B132L, B160L, B180L, C132L, C160L, C180L,
166 D220, D230, D320 and D330.
167
168config PA8X00
169 bool "PA8000 and up"
170 help
171 Select this option for PCX-U to PCX-W2 processors.
172
173endchoice
174
175# Define implied options from the CPU selection here
176
177config PA20
178 def_bool y
179 depends on PA8X00
180
181config PA11
182 def_bool y
183 depends on PA7000 || PA7100LC || PA7200 || PA7300LC
184
185config PREFETCH
186 def_bool y
Kyle McMartin32104b22006-08-13 20:37:26 -0400187 depends on PA8X00 || PA7200
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188
Helge Dellerec758f92013-01-31 21:44:28 +0000189config MLONGCALLS
190 bool "Enable the -mlong-calls compiler option for big kernels"
191 def_bool y if (!MODULES)
192 depends on PA8X00
193 help
194 If you configure the kernel to include many drivers built-in instead
195 as modules, the kernel executable may become too big, so that the
196 linker will not be able to resolve some long branches and fails to link
197 your vmlinux kernel. In that case enabling this option will help you
198 to overcome this limit by using the -mlong-calls compiler option.
199
200 Usually you want to say N here, unless you e.g. want to build
201 a kernel which includes all necessary drivers built-in and which can
202 be used for TFTP booting without the need to have an initrd ramdisk.
203
204 Enabling this option will probably slow down your kernel.
205
Linus Torvalds1da177e2005-04-16 15:20:36 -0700206config 64BIT
207 bool "64-bit kernel"
208 depends on PA8X00
209 help
210 Enable this if you want to support 64bit kernel on PA-RISC platform.
211
212 At the moment, only people willing to use more than 2GB of RAM,
213 or having a 64bit-only capable PA-RISC machine should say Y here.
214
215 Since there is no 64bit userland on PA-RISC, there is no point to
216 enable this option otherwise. The 64bit kernel is significantly bigger
217 and slower than the 32bit one.
218
Helge Deller2fd83032006-04-20 20:40:23 +0000219choice
220 prompt "Kernel page size"
Paul Bolle1c5f8732011-10-12 14:51:12 +0200221 default PARISC_PAGE_SIZE_4KB
Helge Deller2fd83032006-04-20 20:40:23 +0000222
223config PARISC_PAGE_SIZE_4KB
224 bool "4KB"
225 help
226 This lets you select the page size of the kernel. For best
227 performance, a page size of 16KB is recommended. For best
228 compatibility with 32bit applications, a page size of 4KB should be
229 selected (the vast majority of 32bit binaries work perfectly fine
230 with a larger page size).
231
232 4KB For best 32bit compatibility
233 16KB For best performance
234 64KB For best performance, might give more overhead.
235
236 If you don't know what to do, choose 4KB.
237
238config PARISC_PAGE_SIZE_16KB
Kees Cookdaef22c2013-01-16 18:53:21 -0800239 bool "16KB"
240 depends on PA8X00
Helge Deller2fd83032006-04-20 20:40:23 +0000241
242config PARISC_PAGE_SIZE_64KB
Kees Cookdaef22c2013-01-16 18:53:21 -0800243 bool "64KB"
244 depends on PA8X00
Helge Deller2fd83032006-04-20 20:40:23 +0000245
246endchoice
247
Linus Torvalds1da177e2005-04-16 15:20:36 -0700248config SMP
249 bool "Symmetric multi-processing support"
250 ---help---
251 This enables support for systems with more than one CPU. If you have
Robert Graffham4a474152014-01-23 15:55:29 -0800252 a system with only one CPU, say N. If you have a system with more
253 than one CPU, say Y.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700254
Robert Graffham4a474152014-01-23 15:55:29 -0800255 If you say N here, the kernel will run on uni- and multiprocessor
Linus Torvalds1da177e2005-04-16 15:20:36 -0700256 machines, but will use only one CPU of a multiprocessor machine. If
257 you say Y here, the kernel will run on many, but not all,
Robert Graffham4a474152014-01-23 15:55:29 -0800258 uniprocessor machines. On a uniprocessor machine, the kernel
Linus Torvalds1da177e2005-04-16 15:20:36 -0700259 will run faster if you say N here.
260
Adrian Bunk03502fa2008-02-03 15:50:21 +0200261 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
262 available at <http://www.tldp.org/docs.html#howto>.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700263
264 If you don't know what to do here, say N.
265
Helge Deller200c8802013-05-07 20:25:42 +0000266config IRQSTACKS
267 bool "Use separate kernel stacks when processing interrupts"
Helge Deller416821d2013-05-10 21:24:01 +0000268 default y
Helge Deller200c8802013-05-07 20:25:42 +0000269 help
270 If you say Y here the kernel will use separate kernel stacks
271 for handling hard and soft interrupts. This can help avoid
272 overflowing the process kernel stacks.
273
Linus Torvalds1da177e2005-04-16 15:20:36 -0700274config HOTPLUG_CPU
275 bool
276 default y if SMP
Linus Torvalds1da177e2005-04-16 15:20:36 -0700277
Kyle McMartina2ba82c2006-01-27 23:59:36 -0700278config ARCH_SELECT_MEMORY_MODEL
279 def_bool y
280 depends on 64BIT
281
Dave Hansen3f22ab22005-06-23 00:07:43 -0700282config ARCH_DISCONTIGMEM_ENABLE
Kyle McMartina2ba82c2006-01-27 23:59:36 -0700283 def_bool y
284 depends on 64BIT
285
286config ARCH_FLATMEM_ENABLE
287 def_bool y
288
289config ARCH_DISCONTIGMEM_DEFAULT
290 def_bool y
291 depends on ARCH_DISCONTIGMEM_ENABLE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700292
Yasunori Gotoc80d79d2006-04-10 22:53:53 -0700293config NODES_SHIFT
294 int
295 default "3"
296 depends on NEED_MULTIPLE_NODES
297
Kyle McMartin50a34db2006-03-24 21:24:21 -0700298source "kernel/Kconfig.preempt"
Grant Grundler8b631342005-10-21 22:52:46 -0400299source "kernel/Kconfig.hz"
Dave Hansen3f22ab22005-06-23 00:07:43 -0700300source "mm/Kconfig"
301
Linus Torvalds1da177e2005-04-16 15:20:36 -0700302config COMPAT
303 def_bool y
304 depends on 64BIT
305
Helge Dellerbf581e12013-02-19 20:47:37 +0100306config SYSVIPC_COMPAT
307 def_bool y
308 depends on COMPAT && SYSVIPC
309
Helge Deller527973c2013-10-15 19:25:46 +0200310config AUDIT_ARCH
311 def_bool y
312
Linus Torvalds1da177e2005-04-16 15:20:36 -0700313config NR_CPUS
314 int "Maximum number of CPUs (2-32)"
315 range 2 32
316 depends on SMP
317 default "32"
318
319endmenu
320
321
322source "drivers/parisc/Kconfig"
323
324
325menu "Executable file formats"
326
327source "fs/Kconfig.binfmt"
328
329endmenu
330
Sam Ravnborgd5950b42005-07-11 21:03:49 -0700331source "net/Kconfig"
332
Linus Torvalds1da177e2005-04-16 15:20:36 -0700333source "drivers/Kconfig"
334
335source "fs/Kconfig"
336
Linus Torvalds1da177e2005-04-16 15:20:36 -0700337source "arch/parisc/Kconfig.debug"
338
Helge Dellerc90f0692014-08-27 14:39:56 +0200339config SECCOMP
340 def_bool y
341 prompt "Enable seccomp to safely compute untrusted bytecode"
342 ---help---
343 This kernel feature is useful for number crunching applications
344 that may need to compute untrusted bytecode during their
345 execution. By using pipes or other transports made available to
346 the process as file descriptors supporting the read/write
347 syscalls, it's possible to isolate those applications in
348 their own address space using seccomp. Once seccomp is
349 enabled via prctl(PR_SET_SECCOMP), it cannot be disabled
350 and the task is only allowed to execute a few safe syscalls
351 defined by each seccomp mode.
352
353 If unsure, say Y. Only embedded should say N here.
354
Linus Torvalds1da177e2005-04-16 15:20:36 -0700355source "security/Kconfig"
356
357source "crypto/Kconfig"
358
359source "lib/Kconfig"