Commit | Line | Data |
---|---|---|
8c2c3df3 CM |
1 | config ARM64 |
2 | def_bool y | |
3 | select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE | |
333d17e5 | 4 | select ARCH_HAS_OPP |
1f85008e | 5 | select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST |
c63c8700 | 6 | select ARCH_USE_CMPXCHG_LOCKREF |
4badad35 | 7 | select ARCH_SUPPORTS_ATOMIC_RMW |
9170100e | 8 | select ARCH_WANT_OPTIONAL_GPIOLIB |
6212a512 | 9 | select ARCH_WANT_COMPAT_IPC_PARSE_VERSION |
b6f35981 | 10 | select ARCH_WANT_FRAME_POINTERS |
25c92a37 | 11 | select ARM_AMBA |
1aee5d7a | 12 | select ARM_ARCH_TIMER |
c4188edc | 13 | select ARM_GIC |
adace895 | 14 | select BUILDTIME_EXTABLE_SORT |
db2789b5 | 15 | select CLONE_BACKWARDS |
7ca2ef33 | 16 | select COMMON_CLK |
166936ba | 17 | select CPU_PM if (SUSPEND || CPU_IDLE) |
7bc13fd3 | 18 | select DCACHE_WORD_ACCESS |
8c2c3df3 | 19 | select GENERIC_CLOCKEVENTS |
1f85008e | 20 | select GENERIC_CLOCKEVENTS_BROADCAST if SMP |
3be1a5c4 | 21 | select GENERIC_CPU_AUTOPROBE |
bf4b558e | 22 | select GENERIC_EARLY_IOREMAP |
8c2c3df3 CM |
23 | select GENERIC_IOMAP |
24 | select GENERIC_IRQ_PROBE | |
25 | select GENERIC_IRQ_SHOW | |
65cd4f6c | 26 | select GENERIC_SCHED_CLOCK |
8c2c3df3 | 27 | select GENERIC_SMP_IDLE_THREAD |
12a0ef7b WD |
28 | select GENERIC_STRNCPY_FROM_USER |
29 | select GENERIC_STRNLEN_USER | |
8c2c3df3 CM |
30 | select GENERIC_TIME_VSYSCALL |
31 | select HARDIRQS_SW_RESEND | |
9732cafd | 32 | select HAVE_ARCH_JUMP_LABEL |
9529247d | 33 | select HAVE_ARCH_KGDB |
8c2c3df3 | 34 | select HAVE_ARCH_TRACEHOOK |
af64d2aa | 35 | select HAVE_C_RECORDMCOUNT |
9b2a60c4 | 36 | select HAVE_DEBUG_BUGVERBOSE |
b69ec42b | 37 | select HAVE_DEBUG_KMEMLEAK |
8c2c3df3 CM |
38 | select HAVE_DMA_API_DEBUG |
39 | select HAVE_DMA_ATTRS | |
6ac2104d | 40 | select HAVE_DMA_CONTIGUOUS |
bd7d38db | 41 | select HAVE_DYNAMIC_FTRACE |
50afc33a | 42 | select HAVE_EFFICIENT_UNALIGNED_ACCESS |
af64d2aa | 43 | select HAVE_FTRACE_MCOUNT_RECORD |
819e50e2 AT |
44 | select HAVE_FUNCTION_TRACER |
45 | select HAVE_FUNCTION_GRAPH_TRACER | |
8c2c3df3 | 46 | select HAVE_GENERIC_DMA_COHERENT |
8c2c3df3 | 47 | select HAVE_HW_BREAKPOINT if PERF_EVENTS |
8c2c3df3 | 48 | select HAVE_MEMBLOCK |
55834a77 | 49 | select HAVE_PATA_PLATFORM |
8c2c3df3 | 50 | select HAVE_PERF_EVENTS |
2ee0d7fd JP |
51 | select HAVE_PERF_REGS |
52 | select HAVE_PERF_USER_STACK_DUMP | |
055b1212 | 53 | select HAVE_SYSCALL_TRACEPOINTS |
8c2c3df3 | 54 | select IRQ_DOMAIN |
fea2acaa | 55 | select MODULES_USE_ELF_RELA |
8c2c3df3 CM |
56 | select NO_BOOTMEM |
57 | select OF | |
58 | select OF_EARLY_FLATTREE | |
9bf14b7c | 59 | select OF_RESERVED_MEM |
8c2c3df3 | 60 | select PERF_USE_VMALLOC |
aa1e8ec1 CM |
61 | select POWER_RESET |
62 | select POWER_SUPPLY | |
8c2c3df3 CM |
63 | select RTC_LIB |
64 | select SPARSE_IRQ | |
7ac57a89 | 65 | select SYSCTL_EXCEPTION_TRACE |
8c2c3df3 CM |
66 | help |
67 | ARM 64-bit (AArch64) Linux support. | |
68 | ||
69 | config 64BIT | |
70 | def_bool y | |
71 | ||
72 | config ARCH_PHYS_ADDR_T_64BIT | |
73 | def_bool y | |
74 | ||
75 | config MMU | |
76 | def_bool y | |
77 | ||
ce816fa8 | 78 | config NO_IOPORT_MAP |
8c2c3df3 CM |
79 | def_bool y |
80 | ||
81 | config STACKTRACE_SUPPORT | |
82 | def_bool y | |
83 | ||
84 | config LOCKDEP_SUPPORT | |
85 | def_bool y | |
86 | ||
87 | config TRACE_IRQFLAGS_SUPPORT | |
88 | def_bool y | |
89 | ||
c209f799 | 90 | config RWSEM_XCHGADD_ALGORITHM |
8c2c3df3 CM |
91 | def_bool y |
92 | ||
93 | config GENERIC_HWEIGHT | |
94 | def_bool y | |
95 | ||
96 | config GENERIC_CSUM | |
97 | def_bool y | |
98 | ||
99 | config GENERIC_CALIBRATE_DELAY | |
100 | def_bool y | |
101 | ||
19e7640d | 102 | config ZONE_DMA |
8c2c3df3 CM |
103 | def_bool y |
104 | ||
105 | config ARCH_DMA_ADDR_T_64BIT | |
106 | def_bool y | |
107 | ||
108 | config NEED_DMA_MAP_STATE | |
109 | def_bool y | |
110 | ||
111 | config NEED_SG_DMA_LENGTH | |
112 | def_bool y | |
113 | ||
114 | config SWIOTLB | |
115 | def_bool y | |
116 | ||
117 | config IOMMU_HELPER | |
118 | def_bool SWIOTLB | |
119 | ||
4cfb3613 AB |
120 | config KERNEL_MODE_NEON |
121 | def_bool y | |
122 | ||
92cc15fc RH |
123 | config FIX_EARLYCON_MEM |
124 | def_bool y | |
125 | ||
8c2c3df3 CM |
126 | source "init/Kconfig" |
127 | ||
128 | source "kernel/Kconfig.freezer" | |
129 | ||
1ae90e79 CM |
130 | menu "Platform selection" |
131 | ||
132 | config ARCH_VEXPRESS | |
133 | bool "ARMv8 software model (Versatile Express)" | |
134 | select ARCH_REQUIRE_GPIOLIB | |
135 | select COMMON_CLK_VERSATILE | |
aa1e8ec1 | 136 | select POWER_RESET_VEXPRESS |
1ae90e79 CM |
137 | select VEXPRESS_CONFIG |
138 | help | |
139 | This enables support for the ARMv8 software model (Versatile | |
140 | Express). | |
8c2c3df3 | 141 | |
15942853 VK |
142 | config ARCH_XGENE |
143 | bool "AppliedMicro X-Gene SOC Family" | |
144 | help | |
145 | This enables support for AppliedMicro X-Gene SOC Family | |
146 | ||
8c2c3df3 CM |
147 | endmenu |
148 | ||
149 | menu "Bus support" | |
150 | ||
151 | config ARM_AMBA | |
152 | bool | |
153 | ||
154 | endmenu | |
155 | ||
156 | menu "Kernel Features" | |
157 | ||
8c2c3df3 CM |
158 | config ARM64_64K_PAGES |
159 | bool "Enable 64KB pages support" | |
160 | help | |
161 | This feature enables 64KB pages support (4KB by default) | |
162 | allowing only two levels of page tables and faster TLB | |
163 | look-up. AArch32 emulation is not available when this feature | |
164 | is enabled. | |
165 | ||
a872013d WD |
166 | config CPU_BIG_ENDIAN |
167 | bool "Build big-endian kernel" | |
168 | help | |
169 | Say Y if you plan on running a kernel in big-endian mode. | |
170 | ||
8c2c3df3 CM |
171 | config SMP |
172 | bool "Symmetric Multi-Processing" | |
8c2c3df3 CM |
173 | help |
174 | This enables support for systems with more than one CPU. If | |
175 | you say N here, the kernel will run on single and | |
176 | multiprocessor machines, but will use only one CPU of a | |
177 | multiprocessor machine. If you say Y here, the kernel will run | |
178 | on many, but not all, single processor machines. On a single | |
179 | processor machine, the kernel will run faster if you say N | |
180 | here. | |
181 | ||
182 | If you don't know what to do here, say N. | |
183 | ||
f6e763b9 MB |
184 | config SCHED_MC |
185 | bool "Multi-core scheduler support" | |
186 | depends on SMP | |
187 | help | |
188 | Multi-core scheduler support improves the CPU scheduler's decision | |
189 | making when dealing with multi-core CPU chips at a cost of slightly | |
190 | increased overhead in some places. If unsure say N here. | |
191 | ||
192 | config SCHED_SMT | |
193 | bool "SMT scheduler support" | |
194 | depends on SMP | |
195 | help | |
196 | Improves the CPU scheduler's decision making when dealing with | |
197 | MultiThreading at a cost of slightly increased overhead in some | |
198 | places. If unsure say N here. | |
199 | ||
8c2c3df3 CM |
200 | config NR_CPUS |
201 | int "Maximum number of CPUs (2-32)" | |
202 | range 2 32 | |
203 | depends on SMP | |
15942853 | 204 | # These have to remain sorted largest to smallest |
62aceb8f | 205 | default "8" |
8c2c3df3 | 206 | |
9327e2c6 MR |
207 | config HOTPLUG_CPU |
208 | bool "Support for hot-pluggable CPUs" | |
209 | depends on SMP | |
210 | help | |
211 | Say Y here to experiment with turning CPUs off and on. CPUs | |
212 | can be controlled through /sys/devices/system/cpu. | |
213 | ||
8c2c3df3 CM |
214 | source kernel/Kconfig.preempt |
215 | ||
216 | config HZ | |
217 | int | |
218 | default 100 | |
219 | ||
220 | config ARCH_HAS_HOLES_MEMORYMODEL | |
221 | def_bool y if SPARSEMEM | |
222 | ||
223 | config ARCH_SPARSEMEM_ENABLE | |
224 | def_bool y | |
225 | select SPARSEMEM_VMEMMAP_ENABLE | |
226 | ||
227 | config ARCH_SPARSEMEM_DEFAULT | |
228 | def_bool ARCH_SPARSEMEM_ENABLE | |
229 | ||
230 | config ARCH_SELECT_MEMORY_MODEL | |
231 | def_bool ARCH_SPARSEMEM_ENABLE | |
232 | ||
233 | config HAVE_ARCH_PFN_VALID | |
234 | def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM | |
235 | ||
236 | config HW_PERF_EVENTS | |
237 | bool "Enable hardware performance counter support for perf events" | |
238 | depends on PERF_EVENTS | |
239 | default y | |
240 | help | |
241 | Enable hardware performance counter support for perf events. If | |
242 | disabled, perf events will use software events only. | |
243 | ||
084bd298 SC |
244 | config SYS_SUPPORTS_HUGETLBFS |
245 | def_bool y | |
246 | ||
247 | config ARCH_WANT_GENERAL_HUGETLB | |
248 | def_bool y | |
249 | ||
250 | config ARCH_WANT_HUGE_PMD_SHARE | |
251 | def_bool y if !ARM64_64K_PAGES | |
252 | ||
af074848 SC |
253 | config HAVE_ARCH_TRANSPARENT_HUGEPAGE |
254 | def_bool y | |
255 | ||
a41dc0e8 CM |
256 | config ARCH_HAS_CACHE_LINE_SIZE |
257 | def_bool y | |
258 | ||
8c2c3df3 CM |
259 | source "mm/Kconfig" |
260 | ||
aa42aa13 SS |
261 | config XEN_DOM0 |
262 | def_bool y | |
263 | depends on XEN | |
264 | ||
265 | config XEN | |
266 | bool "Xen guest support on ARM64 (EXPERIMENTAL)" | |
267 | depends on ARM64 && OF | |
83862ccf | 268 | select SWIOTLB_XEN |
aa42aa13 SS |
269 | help |
270 | Say Y if you want to run Linux in a Virtual Machine on Xen on ARM64. | |
271 | ||
d03bb145 SC |
272 | config FORCE_MAX_ZONEORDER |
273 | int | |
274 | default "14" if (ARM64_64K_PAGES && TRANSPARENT_HUGEPAGE) | |
275 | default "11" | |
276 | ||
8c2c3df3 CM |
277 | endmenu |
278 | ||
279 | menu "Boot options" | |
280 | ||
281 | config CMDLINE | |
282 | string "Default kernel command string" | |
283 | default "" | |
284 | help | |
285 | Provide a set of default command-line options at build time by | |
286 | entering them here. As a minimum, you should specify the the | |
287 | root device (e.g. root=/dev/nfs). | |
288 | ||
289 | config CMDLINE_FORCE | |
290 | bool "Always use the default kernel command string" | |
291 | help | |
292 | Always use the default kernel command string, even if the boot | |
293 | loader passes other arguments to the kernel. | |
294 | This is useful if you cannot or don't want to change the | |
295 | command-line options your boot loader passes to the kernel. | |
296 | ||
f84d0275 MS |
297 | config EFI |
298 | bool "UEFI runtime support" | |
299 | depends on OF && !CPU_BIG_ENDIAN | |
300 | select LIBFDT | |
301 | select UCS2_STRING | |
302 | select EFI_PARAMS_FROM_FDT | |
303 | default y | |
304 | help | |
305 | This option provides support for runtime services provided | |
306 | by UEFI firmware (such as non-volatile variables, realtime | |
3c7f2550 MS |
307 | clock, and platform reset). A UEFI stub is also provided to |
308 | allow the kernel to be booted as an EFI application. This | |
309 | is only useful on systems that have UEFI firmware. | |
f84d0275 | 310 | |
8c2c3df3 CM |
311 | endmenu |
312 | ||
313 | menu "Userspace binary formats" | |
314 | ||
315 | source "fs/Kconfig.binfmt" | |
316 | ||
317 | config COMPAT | |
318 | bool "Kernel support for 32-bit EL0" | |
319 | depends on !ARM64_64K_PAGES | |
320 | select COMPAT_BINFMT_ELF | |
af1839eb | 321 | select HAVE_UID16 |
84b9e9b4 | 322 | select OLD_SIGSUSPEND3 |
51682036 | 323 | select COMPAT_OLD_SIGACTION |
8c2c3df3 CM |
324 | help |
325 | This option enables support for a 32-bit EL0 running under a 64-bit | |
326 | kernel at EL1. AArch32-specific components such as system calls, | |
327 | the user helper functions, VFP support and the ptrace interface are | |
328 | handled appropriately by the kernel. | |
329 | ||
330 | If you want to execute 32-bit userspace applications, say Y. | |
331 | ||
332 | config SYSVIPC_COMPAT | |
333 | def_bool y | |
334 | depends on COMPAT && SYSVIPC | |
335 | ||
336 | endmenu | |
337 | ||
166936ba LP |
338 | menu "Power management options" |
339 | ||
340 | source "kernel/power/Kconfig" | |
341 | ||
342 | config ARCH_SUSPEND_POSSIBLE | |
343 | def_bool y | |
344 | ||
345 | config ARM64_CPU_SUSPEND | |
346 | def_bool PM_SLEEP | |
347 | ||
348 | endmenu | |
349 | ||
1307220d LP |
350 | menu "CPU Power Management" |
351 | ||
352 | source "drivers/cpuidle/Kconfig" | |
353 | ||
52e7e816 RH |
354 | source "drivers/cpufreq/Kconfig" |
355 | ||
356 | endmenu | |
357 | ||
8c2c3df3 CM |
358 | source "net/Kconfig" |
359 | ||
360 | source "drivers/Kconfig" | |
361 | ||
f84d0275 MS |
362 | source "drivers/firmware/Kconfig" |
363 | ||
8c2c3df3 CM |
364 | source "fs/Kconfig" |
365 | ||
c3eb5b14 MZ |
366 | source "arch/arm64/kvm/Kconfig" |
367 | ||
8c2c3df3 CM |
368 | source "arch/arm64/Kconfig.debug" |
369 | ||
370 | source "security/Kconfig" | |
371 | ||
372 | source "crypto/Kconfig" | |
2c98833a AB |
373 | if CRYPTO |
374 | source "arch/arm64/crypto/Kconfig" | |
375 | endif | |
8c2c3df3 CM |
376 | |
377 | source "lib/Kconfig" |