Commit | Line | Data |
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b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
2 | config PARISC |
3 | def_bool y | |
12700c17 | 4 | select ALTERNATE_USER_ADDRESS_SPACE |
942fa985 | 5 | select ARCH_32BIT_OFF_T if !64BIT |
4a24fb2f | 6 | select ARCH_MIGHT_HAVE_PC_PARPORT |
366dd4ea HD |
7 | select HAVE_FUNCTION_TRACER |
8 | select HAVE_FUNCTION_GRAPH_TRACER | |
fc79168a | 9 | select HAVE_SYSCALL_TRACEPOINTS |
4530c49e | 10 | select ARCH_WANT_FRAME_POINTERS |
18d98a79 | 11 | select ARCH_HAS_ELF_RANDOMIZE |
ad21fc4f | 12 | select ARCH_HAS_STRICT_KERNEL_RWX |
0a1355db | 13 | select ARCH_HAS_STRICT_MODULE_RWX |
e35a2ce6 | 14 | select ARCH_HAS_UBSAN_SANITIZE_ALL |
df24e178 | 15 | select ARCH_HAS_PTE_SPECIAL |
7c703e54 | 16 | select ARCH_NO_SG_CHAIN |
855f9a8e | 17 | select ARCH_SUPPORTS_HUGETLBFS if PA20 |
54ac8fcb | 18 | select ARCH_SUPPORTS_MEMORY_FAILURE |
aeb1e833 | 19 | select ARCH_STACKWALK |
2b41be48 | 20 | select ARCH_HAS_DEBUG_VM_PGTABLE |
aeb1e833 | 21 | select HAVE_RELIABLE_STACKTRACE |
2f9237d4 | 22 | select DMA_OPS |
9eb16864 | 23 | select RTC_CLASS |
3afe6d04 | 24 | select RTC_DRV_GENERIC |
98a79d6a | 25 | select INIT_ALL_POSSIBLE |
f67d3c83 | 26 | select BUG |
10916706 | 27 | select BUILDTIME_TABLE_SORT |
eb01d42a | 28 | select HAVE_PCI |
cdd6c482 | 29 | select HAVE_PERF_EVENTS |
b6adc16e HD |
30 | select HAVE_KERNEL_BZIP2 |
31 | select HAVE_KERNEL_GZIP | |
32 | select HAVE_KERNEL_LZ4 | |
33 | select HAVE_KERNEL_LZMA | |
34 | select HAVE_KERNEL_LZO | |
35 | select HAVE_KERNEL_XZ | |
64daa443 | 36 | select GENERIC_ATOMIC64 if !64BIT |
72e73af1 | 37 | select GENERIC_IRQ_PROBE |
629a8581 | 38 | select GENERIC_PCI_IOMAP |
df013ffb | 39 | select ARCH_HAVE_NMI_SAFE_CMPXCHG |
9a134723 | 40 | select GENERIC_SMP_IDLE_THREAD |
62773112 | 41 | select GENERIC_ARCH_TOPOLOGY if SMP |
1955c4f8 | 42 | select GENERIC_CPU_DEVICES if !SMP |
61c43943 | 43 | select GENERIC_LIB_DEVMEM_IS_ALLOWED |
bf14e3b9 | 44 | select SYSCTL_ARCH_UNALIGN_ALLOW |
fef47e2a | 45 | select SYSCTL_EXCEPTION_TRACE |
786d35d4 DH |
46 | select HAVE_MOD_ARCH_SPECIFIC |
47 | select MODULES_USE_ELF_RELA | |
415bfae9 | 48 | select CLONE_BACKWARDS |
4f73bc4d | 49 | select TTY # Needed for pdc_cons.c |
fcbfe812 | 50 | select HAS_IOPORT if PCI || EISA |
d1a1dc0b | 51 | select HAVE_DEBUG_STACKOVERFLOW |
7a017721 | 52 | select HAVE_ARCH_AUDITSYSCALL |
773e1c5f | 53 | select HAVE_ARCH_HASH |
62217beb HD |
54 | select HAVE_ARCH_JUMP_LABEL |
55 | select HAVE_ARCH_JUMP_LABEL_RELATIVE | |
ec5c1150 | 56 | select HAVE_ARCH_KFENCE |
910cd32e | 57 | select HAVE_ARCH_SECCOMP_FILTER |
64e2a42b | 58 | select HAVE_ARCH_TRACEHOOK |
75ebedf1 | 59 | select HAVE_REGS_AND_STACK_ACCESS_API |
43b1f6ab | 60 | select GENERIC_SCHED_CLOCK |
88b3aac6 | 61 | select GENERIC_IRQ_MIGRATION if SMP |
43b1f6ab | 62 | select HAVE_UNSTABLE_SCHED_CLOCK if SMP |
686092e7 | 63 | select LEGACY_TIMER_TICK |
fff7fb0b | 64 | select CPU_NO_EFFICIENT_FFS |
2214c0e7 | 65 | select THREAD_INFO_IN_TASK |
f616ab59 | 66 | select NEED_DMA_MAP_STATE |
86596f0a | 67 | select NEED_SG_DMA_LENGTH |
eacbfce1 | 68 | select HAVE_ARCH_KGDB |
8858ac8e | 69 | select HAVE_KPROBES |
e0b59b7b | 70 | select HAVE_KRETPROBES |
6ca63662 SS |
71 | select HAVE_DYNAMIC_FTRACE if $(cc-option,-fpatchable-function-entry=1,1) |
72 | select HAVE_FTRACE_MCOUNT_RECORD if HAVE_DYNAMIC_FTRACE | |
3d1dc719 | 73 | select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY if DYNAMIC_FTRACE |
52a22e6c SS |
74 | select HAVE_KPROBES_ON_FTRACE |
75 | select HAVE_DYNAMIC_FTRACE_WITH_REGS | |
cd1a41ce | 76 | select HAVE_SOFTIRQ_ON_OWN_STACK if IRQSTACKS |
4aae683f | 77 | select TRACE_IRQFLAGS_SUPPORT |
a257cacc | 78 | select HAVE_FUNCTION_DESCRIPTORS if 64BIT |
72e73af1 | 79 | |
1da177e4 LT |
80 | help |
81 | The PA-RISC microprocessor is designed by Hewlett-Packard and used | |
82 | in many of their workstations & servers (HP9000 700 and 800 series, | |
83 | and later HP3000 series). The PA-RISC Linux project home page is | |
24289f56 | 84 | at <https://parisc.wiki.kernel.org>. |
1da177e4 | 85 | |
74ad3d28 BM |
86 | config CPU_BIG_ENDIAN |
87 | def_bool y | |
88 | ||
1da177e4 LT |
89 | config MMU |
90 | def_bool y | |
91 | ||
92 | config STACK_GROWSUP | |
93 | def_bool y | |
94 | ||
95c354fe NP |
95 | config GENERIC_LOCKBREAK |
96 | bool | |
97 | default y | |
09613e83 | 98 | depends on SMP && PREEMPTION |
95c354fe | 99 | |
f0d1b0b3 DH |
100 | config ARCH_HAS_ILOG2_U32 |
101 | bool | |
102 | default n | |
103 | ||
104 | config ARCH_HAS_ILOG2_U64 | |
105 | bool | |
106 | default n | |
107 | ||
6891f8a1 HD |
108 | config GENERIC_BUG |
109 | bool | |
110 | default y | |
111 | depends on BUG | |
112 | ||
59e18a2e AM |
113 | config GENERIC_HWEIGHT |
114 | bool | |
115 | default y | |
116 | ||
1da177e4 LT |
117 | config GENERIC_CALIBRATE_DELAY |
118 | bool | |
119 | default y | |
120 | ||
06027bdd IM |
121 | config TIME_LOW_RES |
122 | bool | |
123 | depends on SMP | |
124 | default y | |
125 | ||
1da177e4 LT |
126 | # unless you want to implement ACPI on PA-RISC ... ;-) |
127 | config PM | |
128 | bool | |
129 | ||
548f1176 HD |
130 | config STACKTRACE_SUPPORT |
131 | def_bool y | |
132 | ||
5cae841b AV |
133 | config ISA_DMA_API |
134 | bool | |
5cae841b | 135 | |
a08b6b79 Z |
136 | config ARCH_MAY_HAVE_PC_FDC |
137 | bool | |
8b631342 | 138 | depends on BROKEN |
a08b6b79 Z |
139 | default y |
140 | ||
f24ffde4 KS |
141 | config PGTABLE_LEVELS |
142 | int | |
143 | default 3 if 64BIT && PARISC_PAGE_SIZE_4KB | |
144 | default 2 | |
145 | ||
1da177e4 LT |
146 | menu "Processor type and features" |
147 | ||
148 | choice | |
149 | prompt "Processor type" | |
3dcfb729 | 150 | default PA7000 if "$(ARCH)" = "parisc" |
1da177e4 LT |
151 | |
152 | config PA7000 | |
3dcfb729 | 153 | bool "PA7000/PA7100" if "$(ARCH)" = "parisc" |
a7f7f624 | 154 | help |
1da177e4 LT |
155 | This is the processor type of your CPU. This information is |
156 | used for optimizing purposes. In order to compile a kernel | |
157 | that can run on all 32-bit PA CPUs (albeit not optimally fast), | |
158 | you can specify "PA7000" here. | |
159 | ||
160 | Specifying "PA8000" here will allow you to select a 64-bit kernel | |
161 | which is required on some machines. | |
162 | ||
163 | config PA7100LC | |
3dcfb729 | 164 | bool "PA7100LC" if "$(ARCH)" = "parisc" |
1da177e4 LT |
165 | help |
166 | Select this option for the PCX-L processor, as used in the | |
167 | 712, 715/64, 715/80, 715/100, 715/100XC, 725/100, 743, 748, | |
168 | D200, D210, D300, D310 and E-class | |
169 | ||
170 | config PA7200 | |
3dcfb729 | 171 | bool "PA7200" if "$(ARCH)" = "parisc" |
1da177e4 LT |
172 | help |
173 | Select this option for the PCX-T' processor, as used in the | |
174 | C100, C110, J100, J110, J210XC, D250, D260, D350, D360, | |
175 | K100, K200, K210, K220, K400, K410 and K420 | |
176 | ||
177 | config PA7300LC | |
3dcfb729 | 178 | bool "PA7300LC" if "$(ARCH)" = "parisc" |
1da177e4 LT |
179 | help |
180 | Select this option for the PCX-L2 processor, as used in the | |
181 | 744, A180, B132L, B160L, B180L, C132L, C160L, C180L, | |
182 | D220, D230, D320 and D330. | |
183 | ||
184 | config PA8X00 | |
185 | bool "PA8000 and up" | |
186 | help | |
187 | Select this option for PCX-U to PCX-W2 processors. | |
188 | ||
189 | endchoice | |
190 | ||
191 | # Define implied options from the CPU selection here | |
192 | ||
193 | config PA20 | |
194 | def_bool y | |
195 | depends on PA8X00 | |
196 | ||
197 | config PA11 | |
198 | def_bool y | |
199 | depends on PA7000 || PA7100LC || PA7200 || PA7300LC | |
c1f59375 CH |
200 | select ARCH_HAS_SYNC_DMA_FOR_CPU |
201 | select ARCH_HAS_SYNC_DMA_FOR_DEVICE | |
1da177e4 LT |
202 | |
203 | config PREFETCH | |
204 | def_bool y | |
32104b29 | 205 | depends on PA8X00 || PA7200 |
1da177e4 | 206 | |
778e45d7 HD |
207 | config PARISC_HUGE_KERNEL |
208 | def_bool y if !MODULES || UBSAN || FTRACE || COMPILE_TEST | |
209 | ||
ec758f98 | 210 | config MLONGCALLS |
778e45d7 HD |
211 | def_bool y if PARISC_HUGE_KERNEL |
212 | bool "Enable the -mlong-calls compiler option for big kernels" if !PARISC_HUGE_KERNEL | |
ec758f98 HD |
213 | depends on PA8X00 |
214 | help | |
215 | If you configure the kernel to include many drivers built-in instead | |
216 | as modules, the kernel executable may become too big, so that the | |
217 | linker will not be able to resolve some long branches and fails to link | |
218 | your vmlinux kernel. In that case enabling this option will help you | |
219 | to overcome this limit by using the -mlong-calls compiler option. | |
220 | ||
221 | Usually you want to say N here, unless you e.g. want to build | |
222 | a kernel which includes all necessary drivers built-in and which can | |
223 | be used for TFTP booting without the need to have an initrd ramdisk. | |
224 | ||
225 | Enabling this option will probably slow down your kernel. | |
226 | ||
1da177e4 | 227 | config 64BIT |
805ce861 HD |
228 | def_bool y if "$(ARCH)" = "parisc64" |
229 | bool "64-bit kernel" if "$(ARCH)" = "parisc" | |
1da177e4 | 230 | depends on PA8X00 |
805ce861 HD |
231 | help |
232 | Enable this if you want to support 64bit kernel on PA-RISC platform. | |
233 | ||
234 | At the moment, only people willing to use more than 2GB of RAM, | |
235 | or having a 64bit-only capable PA-RISC machine should say Y here. | |
236 | ||
237 | Since there is no 64bit userland on PA-RISC, there is no point to | |
238 | enable this option otherwise. The 64bit kernel is significantly bigger | |
239 | and slower than the 32bit one. | |
1da177e4 | 240 | |
2fd83038 HD |
241 | choice |
242 | prompt "Kernel page size" | |
1c5f873d | 243 | default PARISC_PAGE_SIZE_4KB |
2fd83038 HD |
244 | |
245 | config PARISC_PAGE_SIZE_4KB | |
246 | bool "4KB" | |
247 | help | |
248 | This lets you select the page size of the kernel. For best | |
249 | performance, a page size of 16KB is recommended. For best | |
250 | compatibility with 32bit applications, a page size of 4KB should be | |
251 | selected (the vast majority of 32bit binaries work perfectly fine | |
252 | with a larger page size). | |
253 | ||
254 | 4KB For best 32bit compatibility | |
255 | 16KB For best performance | |
256 | 64KB For best performance, might give more overhead. | |
257 | ||
258 | If you don't know what to do, choose 4KB. | |
259 | ||
260 | config PARISC_PAGE_SIZE_16KB | |
daef22cf | 261 | bool "16KB" |
ec5c1150 | 262 | depends on PA8X00 && BROKEN && !KFENCE |
2fd83038 HD |
263 | |
264 | config PARISC_PAGE_SIZE_64KB | |
daef22cf | 265 | bool "64KB" |
ec5c1150 | 266 | depends on PA8X00 && BROKEN && !KFENCE |
2fd83038 HD |
267 | |
268 | endchoice | |
269 | ||
1da177e4 LT |
270 | config SMP |
271 | bool "Symmetric multi-processing support" | |
a7f7f624 | 272 | help |
1da177e4 | 273 | This enables support for systems with more than one CPU. If you have |
4a474157 RG |
274 | a system with only one CPU, say N. If you have a system with more |
275 | than one CPU, say Y. | |
1da177e4 | 276 | |
4a474157 | 277 | If you say N here, the kernel will run on uni- and multiprocessor |
2a3f53d5 HD |
278 | machines, but will use only one CPU of a multiprocessor machine. |
279 | On a uniprocessor machine, the kernel will run faster if you say N. | |
1da177e4 | 280 | |
4f4cfa6c | 281 | See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO |
693a0654 | 282 | available at <https://www.tldp.org/docs.html#howto>. |
1da177e4 LT |
283 | |
284 | If you don't know what to do here, say N. | |
200c8804 | 285 | |
bf7b4c1b HD |
286 | config SCHED_MC |
287 | bool "Multi-core scheduler support" | |
62773112 | 288 | depends on GENERIC_ARCH_TOPOLOGY && PA8X00 |
bf7b4c1b HD |
289 | help |
290 | Multi-core scheduler support improves the CPU scheduler's decision | |
291 | making when dealing with multi-core CPU chips at a cost of slightly | |
292 | increased overhead in some places. If unsure say N here. | |
293 | ||
200c8804 HD |
294 | config IRQSTACKS |
295 | bool "Use separate kernel stacks when processing interrupts" | |
416821d3 | 296 | default y |
200c8804 HD |
297 | help |
298 | If you say Y here the kernel will use separate kernel stacks | |
299 | for handling hard and soft interrupts. This can help avoid | |
300 | overflowing the process kernel stacks. | |
1da177e4 | 301 | |
b7795074 HD |
302 | config TLB_PTLOCK |
303 | bool "Use page table locks in TLB fault handler" | |
304 | depends on SMP | |
305 | default n | |
306 | help | |
307 | Select this option to enable page table locking in the TLB | |
308 | fault handler. This ensures that page table entries are | |
309 | updated consistently on SMP machines at the expense of some | |
310 | loss in performance. | |
311 | ||
1da177e4 LT |
312 | config HOTPLUG_CPU |
313 | bool | |
314 | default y if SMP | |
1da177e4 | 315 | |
a2ba82cd KM |
316 | config ARCH_SELECT_MEMORY_MODEL |
317 | def_bool y | |
318 | depends on 64BIT | |
319 | ||
dbdf0760 | 320 | config ARCH_SPARSEMEM_ENABLE |
a2ba82cd KM |
321 | def_bool y |
322 | depends on 64BIT | |
323 | ||
324 | config ARCH_FLATMEM_ENABLE | |
325 | def_bool y | |
326 | ||
dbdf0760 | 327 | config ARCH_SPARSEMEM_DEFAULT |
a2ba82cd | 328 | def_bool y |
dbdf0760 | 329 | depends on ARCH_SPARSEMEM_ENABLE |
c80d79d7 | 330 | |
8b631342 | 331 | source "kernel/Kconfig.hz" |
3f22ab27 | 332 | |
1da177e4 LT |
333 | config COMPAT |
334 | def_bool y | |
335 | depends on 64BIT | |
336 | ||
527973c8 HD |
337 | config AUDIT_ARCH |
338 | def_bool y | |
339 | ||
1da177e4 LT |
340 | config NR_CPUS |
341 | int "Maximum number of CPUs (2-32)" | |
342 | range 2 32 | |
343 | depends on SMP | |
68d247ad HD |
344 | default "4" if 64BIT |
345 | default "16" | |
1da177e4 | 346 | |
fc697dc0 SS |
347 | config KEXEC |
348 | bool "Kexec system call" | |
349 | select KEXEC_CORE | |
350 | help | |
351 | kexec is a system call that implements the ability to shutdown your | |
352 | current kernel, and to start another kernel. It is like a reboot | |
353 | but it is independent of the system firmware. And like a reboot | |
354 | you can start any kernel with it, not just Linux. | |
355 | ||
356 | It is an ongoing process to be certain the hardware in a machine | |
357 | shutdown, so do not be surprised if this code does not | |
358 | initially work for you. | |
359 | ||
1191cf49 SS |
360 | config KEXEC_FILE |
361 | bool "kexec file based system call" | |
362 | select KEXEC_CORE | |
363 | select KEXEC_ELF | |
364 | help | |
365 | This enables the kexec_file_load() System call. This is | |
366 | file based and takes file descriptors as system call argument | |
367 | for kernel and initramfs as opposed to list of segments as | |
368 | accepted by previous system call. | |
369 | ||
1da177e4 LT |
370 | endmenu |
371 | ||
1da177e4 | 372 | source "drivers/parisc/Kconfig" |