Commit | Line | Data |
---|---|---|
8c2c3df3 CM |
1 | config ARM64 |
2 | def_bool y | |
3 | select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE | |
5686b06c | 4 | select ARCH_USE_CMPXCHG_LOCKREF |
1f85008e | 5 | select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST |
9170100e | 6 | select ARCH_WANT_OPTIONAL_GPIOLIB |
6212a512 | 7 | select ARCH_WANT_COMPAT_IPC_PARSE_VERSION |
b6f35981 | 8 | select ARCH_WANT_FRAME_POINTERS |
25c92a37 | 9 | select ARM_AMBA |
1aee5d7a | 10 | select ARM_ARCH_TIMER |
c4188edc | 11 | select ARM_GIC |
adace895 | 12 | select BUILDTIME_EXTABLE_SORT |
db2789b5 | 13 | select CLONE_BACKWARDS |
7ca2ef33 | 14 | select COMMON_CLK |
166936ba | 15 | select CPU_PM if (SUSPEND || CPU_IDLE) |
7bc13fd3 | 16 | select DCACHE_WORD_ACCESS |
8c2c3df3 | 17 | select GENERIC_CLOCKEVENTS |
1f85008e | 18 | select GENERIC_CLOCKEVENTS_BROADCAST if SMP |
3be1a5c4 | 19 | select GENERIC_CPU_AUTOPROBE |
bf4b558e | 20 | select GENERIC_EARLY_IOREMAP |
8c2c3df3 CM |
21 | select GENERIC_IOMAP |
22 | select GENERIC_IRQ_PROBE | |
23 | select GENERIC_IRQ_SHOW | |
65cd4f6c | 24 | select GENERIC_SCHED_CLOCK |
8c2c3df3 | 25 | select GENERIC_SMP_IDLE_THREAD |
12a0ef7b WD |
26 | select GENERIC_STRNCPY_FROM_USER |
27 | select GENERIC_STRNLEN_USER | |
8c2c3df3 CM |
28 | select GENERIC_TIME_VSYSCALL |
29 | select HARDIRQS_SW_RESEND | |
9732cafd | 30 | select HAVE_ARCH_JUMP_LABEL |
9529247d | 31 | select HAVE_ARCH_KGDB |
8c2c3df3 | 32 | select HAVE_ARCH_TRACEHOOK |
9b2a60c4 | 33 | select HAVE_DEBUG_BUGVERBOSE |
b69ec42b | 34 | select HAVE_DEBUG_KMEMLEAK |
8c2c3df3 CM |
35 | select HAVE_DMA_API_DEBUG |
36 | select HAVE_DMA_ATTRS | |
6ac2104d | 37 | select HAVE_DMA_CONTIGUOUS |
50afc33a | 38 | select HAVE_EFFICIENT_UNALIGNED_ACCESS |
8c2c3df3 | 39 | select HAVE_GENERIC_DMA_COHERENT |
8c2c3df3 | 40 | select HAVE_HW_BREAKPOINT if PERF_EVENTS |
8c2c3df3 | 41 | select HAVE_MEMBLOCK |
55834a77 | 42 | select HAVE_PATA_PLATFORM |
8c2c3df3 | 43 | select HAVE_PERF_EVENTS |
2ee0d7fd JP |
44 | select HAVE_PERF_REGS |
45 | select HAVE_PERF_USER_STACK_DUMP | |
8c2c3df3 | 46 | select IRQ_DOMAIN |
fea2acaa | 47 | select MODULES_USE_ELF_RELA |
8c2c3df3 CM |
48 | select NO_BOOTMEM |
49 | select OF | |
50 | select OF_EARLY_FLATTREE | |
9bf14b7c | 51 | select OF_RESERVED_MEM |
8c2c3df3 | 52 | select PERF_USE_VMALLOC |
aa1e8ec1 CM |
53 | select POWER_RESET |
54 | select POWER_SUPPLY | |
8c2c3df3 CM |
55 | select RTC_LIB |
56 | select SPARSE_IRQ | |
7ac57a89 | 57 | select SYSCTL_EXCEPTION_TRACE |
8c2c3df3 CM |
58 | help |
59 | ARM 64-bit (AArch64) Linux support. | |
60 | ||
61 | config 64BIT | |
62 | def_bool y | |
63 | ||
64 | config ARCH_PHYS_ADDR_T_64BIT | |
65 | def_bool y | |
66 | ||
67 | config MMU | |
68 | def_bool y | |
69 | ||
ce816fa8 | 70 | config NO_IOPORT_MAP |
8c2c3df3 CM |
71 | def_bool y |
72 | ||
73 | config STACKTRACE_SUPPORT | |
74 | def_bool y | |
75 | ||
76 | config LOCKDEP_SUPPORT | |
77 | def_bool y | |
78 | ||
79 | config TRACE_IRQFLAGS_SUPPORT | |
80 | def_bool y | |
81 | ||
c209f799 | 82 | config RWSEM_XCHGADD_ALGORITHM |
8c2c3df3 CM |
83 | def_bool y |
84 | ||
85 | config GENERIC_HWEIGHT | |
86 | def_bool y | |
87 | ||
88 | config GENERIC_CSUM | |
89 | def_bool y | |
90 | ||
91 | config GENERIC_CALIBRATE_DELAY | |
92 | def_bool y | |
93 | ||
19e7640d | 94 | config ZONE_DMA |
8c2c3df3 CM |
95 | def_bool y |
96 | ||
97 | config ARCH_DMA_ADDR_T_64BIT | |
98 | def_bool y | |
99 | ||
100 | config NEED_DMA_MAP_STATE | |
101 | def_bool y | |
102 | ||
103 | config NEED_SG_DMA_LENGTH | |
104 | def_bool y | |
105 | ||
106 | config SWIOTLB | |
107 | def_bool y | |
108 | ||
109 | config IOMMU_HELPER | |
110 | def_bool SWIOTLB | |
111 | ||
4cfb3613 AB |
112 | config KERNEL_MODE_NEON |
113 | def_bool y | |
114 | ||
8c2c3df3 CM |
115 | source "init/Kconfig" |
116 | ||
117 | source "kernel/Kconfig.freezer" | |
118 | ||
1ae90e79 CM |
119 | menu "Platform selection" |
120 | ||
121 | config ARCH_VEXPRESS | |
122 | bool "ARMv8 software model (Versatile Express)" | |
123 | select ARCH_REQUIRE_GPIOLIB | |
124 | select COMMON_CLK_VERSATILE | |
aa1e8ec1 | 125 | select POWER_RESET_VEXPRESS |
1ae90e79 CM |
126 | select VEXPRESS_CONFIG |
127 | help | |
128 | This enables support for the ARMv8 software model (Versatile | |
129 | Express). | |
8c2c3df3 | 130 | |
15942853 VK |
131 | config ARCH_XGENE |
132 | bool "AppliedMicro X-Gene SOC Family" | |
133 | help | |
134 | This enables support for AppliedMicro X-Gene SOC Family | |
135 | ||
8c2c3df3 CM |
136 | endmenu |
137 | ||
138 | menu "Bus support" | |
139 | ||
140 | config ARM_AMBA | |
141 | bool | |
142 | ||
143 | endmenu | |
144 | ||
145 | menu "Kernel Features" | |
146 | ||
8c2c3df3 CM |
147 | config ARM64_64K_PAGES |
148 | bool "Enable 64KB pages support" | |
149 | help | |
150 | This feature enables 64KB pages support (4KB by default) | |
151 | allowing only two levels of page tables and faster TLB | |
152 | look-up. AArch32 emulation is not available when this feature | |
153 | is enabled. | |
154 | ||
a872013d WD |
155 | config CPU_BIG_ENDIAN |
156 | bool "Build big-endian kernel" | |
157 | help | |
158 | Say Y if you plan on running a kernel in big-endian mode. | |
159 | ||
8c2c3df3 CM |
160 | config SMP |
161 | bool "Symmetric Multi-Processing" | |
8c2c3df3 CM |
162 | help |
163 | This enables support for systems with more than one CPU. If | |
164 | you say N here, the kernel will run on single and | |
165 | multiprocessor machines, but will use only one CPU of a | |
166 | multiprocessor machine. If you say Y here, the kernel will run | |
167 | on many, but not all, single processor machines. On a single | |
168 | processor machine, the kernel will run faster if you say N | |
169 | here. | |
170 | ||
171 | If you don't know what to do here, say N. | |
172 | ||
f6e763b9 MB |
173 | config SCHED_MC |
174 | bool "Multi-core scheduler support" | |
175 | depends on SMP | |
176 | help | |
177 | Multi-core scheduler support improves the CPU scheduler's decision | |
178 | making when dealing with multi-core CPU chips at a cost of slightly | |
179 | increased overhead in some places. If unsure say N here. | |
180 | ||
181 | config SCHED_SMT | |
182 | bool "SMT scheduler support" | |
183 | depends on SMP | |
184 | help | |
185 | Improves the CPU scheduler's decision making when dealing with | |
186 | MultiThreading at a cost of slightly increased overhead in some | |
187 | places. If unsure say N here. | |
188 | ||
8c2c3df3 CM |
189 | config NR_CPUS |
190 | int "Maximum number of CPUs (2-32)" | |
191 | range 2 32 | |
192 | depends on SMP | |
15942853 | 193 | # These have to remain sorted largest to smallest |
62aceb8f | 194 | default "8" |
8c2c3df3 | 195 | |
9327e2c6 MR |
196 | config HOTPLUG_CPU |
197 | bool "Support for hot-pluggable CPUs" | |
198 | depends on SMP | |
199 | help | |
200 | Say Y here to experiment with turning CPUs off and on. CPUs | |
201 | can be controlled through /sys/devices/system/cpu. | |
202 | ||
8c2c3df3 CM |
203 | source kernel/Kconfig.preempt |
204 | ||
205 | config HZ | |
206 | int | |
207 | default 100 | |
208 | ||
209 | config ARCH_HAS_HOLES_MEMORYMODEL | |
210 | def_bool y if SPARSEMEM | |
211 | ||
212 | config ARCH_SPARSEMEM_ENABLE | |
213 | def_bool y | |
214 | select SPARSEMEM_VMEMMAP_ENABLE | |
215 | ||
216 | config ARCH_SPARSEMEM_DEFAULT | |
217 | def_bool ARCH_SPARSEMEM_ENABLE | |
218 | ||
219 | config ARCH_SELECT_MEMORY_MODEL | |
220 | def_bool ARCH_SPARSEMEM_ENABLE | |
221 | ||
222 | config HAVE_ARCH_PFN_VALID | |
223 | def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM | |
224 | ||
225 | config HW_PERF_EVENTS | |
226 | bool "Enable hardware performance counter support for perf events" | |
227 | depends on PERF_EVENTS | |
228 | default y | |
229 | help | |
230 | Enable hardware performance counter support for perf events. If | |
231 | disabled, perf events will use software events only. | |
232 | ||
084bd298 SC |
233 | config SYS_SUPPORTS_HUGETLBFS |
234 | def_bool y | |
235 | ||
236 | config ARCH_WANT_GENERAL_HUGETLB | |
237 | def_bool y | |
238 | ||
239 | config ARCH_WANT_HUGE_PMD_SHARE | |
240 | def_bool y if !ARM64_64K_PAGES | |
241 | ||
af074848 SC |
242 | config HAVE_ARCH_TRANSPARENT_HUGEPAGE |
243 | def_bool y | |
244 | ||
8c2c3df3 CM |
245 | source "mm/Kconfig" |
246 | ||
aa42aa13 SS |
247 | config XEN_DOM0 |
248 | def_bool y | |
249 | depends on XEN | |
250 | ||
251 | config XEN | |
252 | bool "Xen guest support on ARM64 (EXPERIMENTAL)" | |
253 | depends on ARM64 && OF | |
83862ccf | 254 | select SWIOTLB_XEN |
aa42aa13 SS |
255 | help |
256 | Say Y if you want to run Linux in a Virtual Machine on Xen on ARM64. | |
257 | ||
d03bb145 SC |
258 | config FORCE_MAX_ZONEORDER |
259 | int | |
260 | default "14" if (ARM64_64K_PAGES && TRANSPARENT_HUGEPAGE) | |
261 | default "11" | |
262 | ||
8c2c3df3 CM |
263 | endmenu |
264 | ||
265 | menu "Boot options" | |
266 | ||
267 | config CMDLINE | |
268 | string "Default kernel command string" | |
269 | default "" | |
270 | help | |
271 | Provide a set of default command-line options at build time by | |
272 | entering them here. As a minimum, you should specify the the | |
273 | root device (e.g. root=/dev/nfs). | |
274 | ||
275 | config CMDLINE_FORCE | |
276 | bool "Always use the default kernel command string" | |
277 | help | |
278 | Always use the default kernel command string, even if the boot | |
279 | loader passes other arguments to the kernel. | |
280 | This is useful if you cannot or don't want to change the | |
281 | command-line options your boot loader passes to the kernel. | |
282 | ||
f84d0275 MS |
283 | config EFI |
284 | bool "UEFI runtime support" | |
285 | depends on OF && !CPU_BIG_ENDIAN | |
286 | select LIBFDT | |
287 | select UCS2_STRING | |
288 | select EFI_PARAMS_FROM_FDT | |
289 | default y | |
290 | help | |
291 | This option provides support for runtime services provided | |
292 | by UEFI firmware (such as non-volatile variables, realtime | |
293 | clock, and platform reset). This is only useful on systems | |
294 | that have UEFI firmware. | |
295 | ||
8c2c3df3 CM |
296 | endmenu |
297 | ||
298 | menu "Userspace binary formats" | |
299 | ||
300 | source "fs/Kconfig.binfmt" | |
301 | ||
302 | config COMPAT | |
303 | bool "Kernel support for 32-bit EL0" | |
304 | depends on !ARM64_64K_PAGES | |
305 | select COMPAT_BINFMT_ELF | |
af1839eb | 306 | select HAVE_UID16 |
84b9e9b4 | 307 | select OLD_SIGSUSPEND3 |
51682036 | 308 | select COMPAT_OLD_SIGACTION |
8c2c3df3 CM |
309 | help |
310 | This option enables support for a 32-bit EL0 running under a 64-bit | |
311 | kernel at EL1. AArch32-specific components such as system calls, | |
312 | the user helper functions, VFP support and the ptrace interface are | |
313 | handled appropriately by the kernel. | |
314 | ||
315 | If you want to execute 32-bit userspace applications, say Y. | |
316 | ||
317 | config SYSVIPC_COMPAT | |
318 | def_bool y | |
319 | depends on COMPAT && SYSVIPC | |
320 | ||
321 | endmenu | |
322 | ||
166936ba LP |
323 | menu "Power management options" |
324 | ||
325 | source "kernel/power/Kconfig" | |
326 | ||
327 | config ARCH_SUSPEND_POSSIBLE | |
328 | def_bool y | |
329 | ||
330 | config ARM64_CPU_SUSPEND | |
331 | def_bool PM_SLEEP | |
332 | ||
333 | endmenu | |
334 | ||
1307220d LP |
335 | menu "CPU Power Management" |
336 | ||
337 | source "drivers/cpuidle/Kconfig" | |
338 | ||
52e7e816 RH |
339 | source "kernel/power/Kconfig" |
340 | ||
341 | source "drivers/cpufreq/Kconfig" | |
342 | ||
343 | endmenu | |
344 | ||
8c2c3df3 CM |
345 | source "net/Kconfig" |
346 | ||
347 | source "drivers/Kconfig" | |
348 | ||
f84d0275 MS |
349 | source "drivers/firmware/Kconfig" |
350 | ||
8c2c3df3 CM |
351 | source "fs/Kconfig" |
352 | ||
c3eb5b14 MZ |
353 | source "arch/arm64/kvm/Kconfig" |
354 | ||
8c2c3df3 CM |
355 | source "arch/arm64/Kconfig.debug" |
356 | ||
357 | source "security/Kconfig" | |
358 | ||
359 | source "crypto/Kconfig" | |
360 | ||
361 | source "lib/Kconfig" |