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