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