1 # SPDX-License-Identifier: GPL-2.0
2 config PARISC
3 def_bool y
4 select ALTERNATE_USER_ADDRESS_SPACE
5 select ARCH_32BIT_OFF_T if !64BIT
6 select ARCH_MIGHT_HAVE_PC_PARPORT
7 select HAVE_FUNCTION_TRACER
8 select HAVE_FUNCTION_GRAPH_TRACER
9 select HAVE_SYSCALL_TRACEPOINTS
10 select ARCH_WANT_FRAME_POINTERS
11 select ARCH_HAS_CPU_CACHE_ALIASING
12 select ARCH_HAS_DMA_ALLOC if PA11
13 select ARCH_HAS_DMA_OPS
14 select ARCH_HAS_ELF_RANDOMIZE
15 select ARCH_HAS_STRICT_KERNEL_RWX
16 select ARCH_HAS_STRICT_MODULE_RWX
17 select ARCH_HAS_UBSAN
18 select ARCH_HAS_PTE_SPECIAL
19 select ARCH_NO_SG_CHAIN
20 select ARCH_SPLIT_ARG64 if !64BIT
21 select ARCH_SUPPORTS_HUGETLBFS if PA20
22 select ARCH_SUPPORTS_MEMORY_FAILURE
23 select ARCH_STACKWALK
24 select ARCH_HAS_CACHE_LINE_SIZE
25 select ARCH_HAS_DEBUG_VM_PGTABLE
26 select HAVE_RELIABLE_STACKTRACE
27 select RTC_CLASS
28 select RTC_DRV_GENERIC
29 select INIT_ALL_POSSIBLE
30 select BUG
31 select HAVE_KERNEL_UNCOMPRESSED
32 select HAVE_PCI
33 select HAVE_PERF_EVENTS
34 select HAVE_KERNEL_BZIP2
35 select HAVE_KERNEL_GZIP
36 select HAVE_KERNEL_LZ4
37 select HAVE_KERNEL_LZMA
38 select HAVE_KERNEL_LZO
39 select HAVE_KERNEL_XZ
40 select GENERIC_ATOMIC64 if !64BIT
41 select GENERIC_IRQ_PROBE
42 select GENERIC_PCI_IOMAP
43 select GENERIC_IOREMAP
44 select ARCH_HAVE_NMI_SAFE_CMPXCHG
45 select GENERIC_SMP_IDLE_THREAD
46 select GENERIC_ARCH_TOPOLOGY if SMP
47 select GENERIC_CPU_DEVICES if !SMP
48 select GENERIC_LIB_DEVMEM_IS_ALLOWED
49 select SYSCTL_ARCH_UNALIGN_ALLOW
50 select SYSCTL_ARCH_UNALIGN_NO_WARN
51 select SYSCTL_EXCEPTION_TRACE
52 select HAVE_MOD_ARCH_SPECIFIC
53 select MODULES_USE_ELF_RELA
54 select CLONE_BACKWARDS
55 select TTY # Needed for pdc_cons.c
56 select HAS_IOPORT if PCI || EISA
57 select HAVE_DEBUG_STACKOVERFLOW
58 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_
59 select HAVE_ARCH_MMAP_RND_COMPAT_BITS
60 select HAVE_ARCH_MMAP_RND_BITS
61 select HAVE_ARCH_AUDITSYSCALL
62 select HAVE_ARCH_HASH
63 select HAVE_ARCH_JUMP_LABEL
64 select HAVE_ARCH_JUMP_LABEL_RELATIVE
65 select HAVE_ARCH_KFENCE
66 select HAVE_ARCH_SECCOMP_FILTER
67 select HAVE_ARCH_TRACEHOOK
68 select HAVE_EBPF_JIT
69 select ARCH_WANT_DEFAULT_BPF_JIT
70 select HAVE_REGS_AND_STACK_ACCESS_API
71 select HOTPLUG_CORE_SYNC_DEAD if HOTPL
72 select GENERIC_SCHED_CLOCK
73 select GENERIC_IRQ_MIGRATION if SMP
74 select HAVE_UNSTABLE_SCHED_CLOCK if SM
75 select GENERIC_CLOCKEVENTS
76 select CPU_NO_EFFICIENT_FFS
77 select THREAD_INFO_IN_TASK
78 select NEED_DMA_MAP_STATE
79 select NEED_SG_DMA_LENGTH
80 select HAVE_ARCH_KGDB
81 select HAVE_KPROBES
82 select HAVE_KRETPROBES
83 select HAVE_DYNAMIC_FTRACE if $(cc-opt
84 select HAVE_FTRACE_MCOUNT_RECORD if HA
85 select FTRACE_MCOUNT_USE_PATCHABLE_FUN
86 select HAVE_KPROBES_ON_FTRACE
87 select HAVE_DYNAMIC_FTRACE_WITH_REGS
88 select HAVE_SOFTIRQ_ON_OWN_STACK if IR
89 select TRACE_IRQFLAGS_SUPPORT
90 select HAVE_FUNCTION_DESCRIPTORS if 64
91 select PCI_MSI_ARCH_FALLBACKS if PCI_M
92
93 help
94 The PA-RISC microprocessor is design
95 in many of their workstations & serv
96 and later HP3000 series). The PA-RI
97 at <https://parisc.wiki.kernel.org>.
98
99 config CPU_BIG_ENDIAN
100 def_bool y
101
102 config MMU
103 def_bool y
104
105 config STACK_GROWSUP
106 def_bool y
107
108 config GENERIC_LOCKBREAK
109 bool
110 default y
111 depends on SMP && PREEMPTION
112
113 config ARCH_HAS_ILOG2_U32
114 bool
115 default n
116
117 config ARCH_HAS_ILOG2_U64
118 bool
119 default n
120
121 config GENERIC_BUG
122 def_bool y
123 depends on BUG
124 select GENERIC_BUG_RELATIVE_POINTERS i
125
126 config GENERIC_BUG_RELATIVE_POINTERS
127 bool
128
129 config GENERIC_HWEIGHT
130 bool
131 default y
132
133 config GENERIC_CALIBRATE_DELAY
134 bool
135 default y
136
137 config TIME_LOW_RES
138 bool
139 depends on SMP
140 default y
141
142 config ARCH_MMAP_RND_BITS_MIN
143 default 18 if 64BIT
144 default 8
145
146 config ARCH_MMAP_RND_COMPAT_BITS_MIN
147 default 8
148
149 config ARCH_MMAP_RND_BITS_MAX
150 default 18 if 64BIT
151 default 13
152
153 config ARCH_MMAP_RND_COMPAT_BITS_MAX
154 default 13
155
156 # unless you want to implement ACPI on PA-RISC
157 config PM
158 bool
159
160 config STACKTRACE_SUPPORT
161 def_bool y
162
163 config LOCKDEP_SUPPORT
164 bool
165 default y
166
167 config ISA_DMA_API
168 bool
169
170 config ARCH_MAY_HAVE_PC_FDC
171 bool
172 depends on BROKEN
173 default y
174
175 config PGTABLE_LEVELS
176 int
177 default 3 if 64BIT && PARISC_PAGE_SIZE
178 default 2
179
180 menu "Processor type and features"
181
182 choice
183 prompt "Processor type"
184 default PA7000 if "$(ARCH)" = "parisc"
185
186 config PA7000
187 bool "PA7000/PA7100" if "$(ARCH)" = "p
188 help
189 This is the processor type of your C
190 used for optimizing purposes. In or
191 that can run on all 32-bit PA CPUs (
192 you can specify "PA7000" here.
193
194 Specifying "PA8000" here will allow
195 which is required on some machines.
196
197 config PA7100LC
198 bool "PA7100LC" if "$(ARCH)" = "parisc
199 help
200 Select this option for the PCX-L pro
201 712, 715/64, 715/80, 715/100, 715/10
202 D200, D210, D300, D310 and E-class
203
204 config PA7200
205 bool "PA7200" if "$(ARCH)" = "parisc"
206 help
207 Select this option for the PCX-T' pr
208 C100, C110, J100, J110, J210XC, D250
209 K100, K200, K210, K220, K400, K410 a
210
211 config PA7300LC
212 bool "PA7300LC" if "$(ARCH)" = "parisc
213 help
214 Select this option for the PCX-L2 pr
215 744, A180, B132L, B160L, B180L, C132
216 D220, D230, D320 and D330.
217
218 config PA8X00
219 bool "PA8000 and up"
220 help
221 Select this option for PCX-U to PCX-
222
223 endchoice
224
225 # Define implied options from the CPU selectio
226
227 config PA20
228 def_bool y
229 depends on PA8X00
230
231 config PA11
232 def_bool y
233 depends on PA7000 || PA7100LC || PA720
234 select ARCH_HAS_SYNC_DMA_FOR_CPU
235 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
236
237 config PREFETCH
238 def_bool y
239 depends on PA8X00 || PA7200
240
241 config PARISC_HUGE_KERNEL
242 def_bool y if !MODULES || UBSAN || FTR
243
244 config MLONGCALLS
245 bool "Enable the -mlong-calls compiler
246 depends on PA8X00
247 default PARISC_HUGE_KERNEL
248 help
249 If you configure the kernel to inclu
250 as modules, the kernel executable ma
251 linker will not be able to resolve s
252 your vmlinux kernel. In that case en
253 to overcome this limit by using the
254
255 Usually you want to say N here, unle
256 a kernel which includes all necessar
257 be used for TFTP booting without the
258
259 Enabling this option will probably s
260
261 config 64BIT
262 bool "64-bit kernel" if "$(ARCH)" = "p
263 depends on PA8X00
264 default "$(ARCH)" = "parisc64"
265 help
266 Enable this if you want to support 6
267
268 At the moment, only people willing t
269 or having a 64bit-only capable PA-RI
270
271 Since there is no 64bit userland on
272 enable this option otherwise. The 64
273 and slower than the 32bit one.
274
275 choice
276 prompt "Kernel page size"
277 default PARISC_PAGE_SIZE_4KB
278
279 config PARISC_PAGE_SIZE_4KB
280 bool "4KB"
281 select HAVE_PAGE_SIZE_4KB
282 help
283 This lets you select the page size o
284 performance, a page size of 16KB is
285 compatibility with 32bit application
286 selected (the vast majority of 32bit
287 with a larger page size).
288
289 4KB For best 32bit co
290 16KB For best performa
291 64KB For best performa
292
293 If you don't know what to do, choose
294
295 config PARISC_PAGE_SIZE_16KB
296 bool "16KB"
297 select HAVE_PAGE_SIZE_16KB
298 depends on PA8X00 && BROKEN && !KFENCE
299
300 config PARISC_PAGE_SIZE_64KB
301 bool "64KB"
302 select HAVE_PAGE_SIZE_64KB
303 depends on PA8X00 && BROKEN && !KFENCE
304
305 endchoice
306
307 config SMP
308 bool "Symmetric multi-processing suppo
309 help
310 This enables support for systems wit
311 a system with only one CPU, say N. I
312 than one CPU, say Y.
313
314 If you say N here, the kernel will r
315 machines, but will use only one CPU
316 On a uniprocessor machine, the kerne
317
318 See also <file:Documentation/admin-g
319 available at <https://www.tldp.org/d
320
321 If you don't know what to do here, s
322
323 config SCHED_MC
324 bool "Multi-core scheduler support"
325 depends on GENERIC_ARCH_TOPOLOGY && PA
326 help
327 Multi-core scheduler support improve
328 making when dealing with multi-core
329 increased overhead in some places. I
330
331 config IRQSTACKS
332 bool "Use separate kernel stacks when
333 default y
334 help
335 If you say Y here the kernel will us
336 for handling hard and soft interrupt
337 overflowing the process kernel stack
338
339 config HOTPLUG_CPU
340 bool
341 default y if SMP
342
343 config ARCH_SELECT_MEMORY_MODEL
344 def_bool y
345 depends on 64BIT
346
347 config ARCH_SPARSEMEM_ENABLE
348 def_bool y
349 depends on 64BIT
350
351 config ARCH_FLATMEM_ENABLE
352 def_bool y
353
354 config ARCH_SPARSEMEM_DEFAULT
355 def_bool y
356 depends on ARCH_SPARSEMEM_ENABLE
357
358 source "kernel/Kconfig.hz"
359
360 config COMPAT
361 def_bool y
362 depends on 64BIT
363
364 config AUDIT_ARCH
365 def_bool y
366
367 config NR_CPUS
368 int "Maximum number of CPUs (2-32)"
369 range 2 32
370 depends on SMP
371 default "8" if 64BIT
372 default "16"
373
374 endmenu
375
376 config ARCH_SUPPORTS_KEXEC
377 def_bool y
378
379 config ARCH_SUPPORTS_KEXEC_FILE
380 def_bool y
381
382 config ARCH_SELECTS_KEXEC_FILE
383 def_bool y
384 depends on KEXEC_FILE
385 select KEXEC_ELF
386
387 source "drivers/parisc/Kconfig"
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