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 |
8c2c3df3 CM |
19 | select GENERIC_IOMAP |
20 | select GENERIC_IRQ_PROBE | |
21 | select GENERIC_IRQ_SHOW | |
65cd4f6c | 22 | select GENERIC_SCHED_CLOCK |
8c2c3df3 | 23 | select GENERIC_SMP_IDLE_THREAD |
12a0ef7b WD |
24 | select GENERIC_STRNCPY_FROM_USER |
25 | select GENERIC_STRNLEN_USER | |
8c2c3df3 CM |
26 | select GENERIC_TIME_VSYSCALL |
27 | select HARDIRQS_SW_RESEND | |
9732cafd | 28 | select HAVE_ARCH_JUMP_LABEL |
9529247d | 29 | select HAVE_ARCH_KGDB |
8c2c3df3 | 30 | select HAVE_ARCH_TRACEHOOK |
9b2a60c4 | 31 | select HAVE_DEBUG_BUGVERBOSE |
b69ec42b | 32 | select HAVE_DEBUG_KMEMLEAK |
8c2c3df3 CM |
33 | select HAVE_DMA_API_DEBUG |
34 | select HAVE_DMA_ATTRS | |
6ac2104d | 35 | select HAVE_DMA_CONTIGUOUS |
50afc33a | 36 | select HAVE_EFFICIENT_UNALIGNED_ACCESS |
8c2c3df3 | 37 | select HAVE_GENERIC_DMA_COHERENT |
8c2c3df3 | 38 | select HAVE_HW_BREAKPOINT if PERF_EVENTS |
8c2c3df3 | 39 | select HAVE_MEMBLOCK |
55834a77 | 40 | select HAVE_PATA_PLATFORM |
8c2c3df3 | 41 | select HAVE_PERF_EVENTS |
8c2c3df3 | 42 | select IRQ_DOMAIN |
fea2acaa | 43 | select MODULES_USE_ELF_RELA |
8c2c3df3 CM |
44 | select NO_BOOTMEM |
45 | select OF | |
46 | select OF_EARLY_FLATTREE | |
47 | select PERF_USE_VMALLOC | |
aa1e8ec1 CM |
48 | select POWER_RESET |
49 | select POWER_SUPPLY | |
8c2c3df3 CM |
50 | select RTC_LIB |
51 | select SPARSE_IRQ | |
7ac57a89 | 52 | select SYSCTL_EXCEPTION_TRACE |
8c2c3df3 CM |
53 | help |
54 | ARM 64-bit (AArch64) Linux support. | |
55 | ||
56 | config 64BIT | |
57 | def_bool y | |
58 | ||
59 | config ARCH_PHYS_ADDR_T_64BIT | |
60 | def_bool y | |
61 | ||
62 | config MMU | |
63 | def_bool y | |
64 | ||
65 | config NO_IOPORT | |
66 | def_bool y | |
67 | ||
68 | config STACKTRACE_SUPPORT | |
69 | def_bool y | |
70 | ||
71 | config LOCKDEP_SUPPORT | |
72 | def_bool y | |
73 | ||
74 | config TRACE_IRQFLAGS_SUPPORT | |
75 | def_bool y | |
76 | ||
8c2c3df3 CM |
77 | config RWSEM_GENERIC_SPINLOCK |
78 | def_bool y | |
79 | ||
80 | config GENERIC_HWEIGHT | |
81 | def_bool y | |
82 | ||
83 | config GENERIC_CSUM | |
84 | def_bool y | |
85 | ||
86 | config GENERIC_CALIBRATE_DELAY | |
87 | def_bool y | |
88 | ||
19e7640d | 89 | config ZONE_DMA |
8c2c3df3 CM |
90 | def_bool y |
91 | ||
92 | config ARCH_DMA_ADDR_T_64BIT | |
93 | def_bool y | |
94 | ||
95 | config NEED_DMA_MAP_STATE | |
96 | def_bool y | |
97 | ||
98 | config NEED_SG_DMA_LENGTH | |
99 | def_bool y | |
100 | ||
101 | config SWIOTLB | |
102 | def_bool y | |
103 | ||
104 | config IOMMU_HELPER | |
105 | def_bool SWIOTLB | |
106 | ||
4cfb3613 AB |
107 | config KERNEL_MODE_NEON |
108 | def_bool y | |
109 | ||
8c2c3df3 CM |
110 | source "init/Kconfig" |
111 | ||
112 | source "kernel/Kconfig.freezer" | |
113 | ||
1ae90e79 CM |
114 | menu "Platform selection" |
115 | ||
116 | config ARCH_VEXPRESS | |
117 | bool "ARMv8 software model (Versatile Express)" | |
118 | select ARCH_REQUIRE_GPIOLIB | |
119 | select COMMON_CLK_VERSATILE | |
aa1e8ec1 | 120 | select POWER_RESET_VEXPRESS |
1ae90e79 CM |
121 | select VEXPRESS_CONFIG |
122 | help | |
123 | This enables support for the ARMv8 software model (Versatile | |
124 | Express). | |
8c2c3df3 | 125 | |
15942853 VK |
126 | config ARCH_XGENE |
127 | bool "AppliedMicro X-Gene SOC Family" | |
128 | help | |
129 | This enables support for AppliedMicro X-Gene SOC Family | |
130 | ||
8c2c3df3 CM |
131 | endmenu |
132 | ||
133 | menu "Bus support" | |
134 | ||
135 | config ARM_AMBA | |
136 | bool | |
137 | ||
138 | endmenu | |
139 | ||
140 | menu "Kernel Features" | |
141 | ||
8c2c3df3 CM |
142 | config ARM64_64K_PAGES |
143 | bool "Enable 64KB pages support" | |
144 | help | |
145 | This feature enables 64KB pages support (4KB by default) | |
146 | allowing only two levels of page tables and faster TLB | |
147 | look-up. AArch32 emulation is not available when this feature | |
148 | is enabled. | |
149 | ||
a872013d WD |
150 | config CPU_BIG_ENDIAN |
151 | bool "Build big-endian kernel" | |
152 | help | |
153 | Say Y if you plan on running a kernel in big-endian mode. | |
154 | ||
8c2c3df3 CM |
155 | config SMP |
156 | bool "Symmetric Multi-Processing" | |
8c2c3df3 CM |
157 | help |
158 | This enables support for systems with more than one CPU. If | |
159 | you say N here, the kernel will run on single and | |
160 | multiprocessor machines, but will use only one CPU of a | |
161 | multiprocessor machine. If you say Y here, the kernel will run | |
162 | on many, but not all, single processor machines. On a single | |
163 | processor machine, the kernel will run faster if you say N | |
164 | here. | |
165 | ||
166 | If you don't know what to do here, say N. | |
167 | ||
f6e763b9 MB |
168 | config SCHED_MC |
169 | bool "Multi-core scheduler support" | |
170 | depends on SMP | |
171 | help | |
172 | Multi-core scheduler support improves the CPU scheduler's decision | |
173 | making when dealing with multi-core CPU chips at a cost of slightly | |
174 | increased overhead in some places. If unsure say N here. | |
175 | ||
176 | config SCHED_SMT | |
177 | bool "SMT scheduler support" | |
178 | depends on SMP | |
179 | help | |
180 | Improves the CPU scheduler's decision making when dealing with | |
181 | MultiThreading at a cost of slightly increased overhead in some | |
182 | places. If unsure say N here. | |
183 | ||
8c2c3df3 CM |
184 | config NR_CPUS |
185 | int "Maximum number of CPUs (2-32)" | |
186 | range 2 32 | |
187 | depends on SMP | |
15942853 | 188 | # These have to remain sorted largest to smallest |
62aceb8f | 189 | default "8" |
8c2c3df3 | 190 | |
9327e2c6 MR |
191 | config HOTPLUG_CPU |
192 | bool "Support for hot-pluggable CPUs" | |
193 | depends on SMP | |
194 | help | |
195 | Say Y here to experiment with turning CPUs off and on. CPUs | |
196 | can be controlled through /sys/devices/system/cpu. | |
197 | ||
8c2c3df3 CM |
198 | source kernel/Kconfig.preempt |
199 | ||
200 | config HZ | |
201 | int | |
202 | default 100 | |
203 | ||
204 | config ARCH_HAS_HOLES_MEMORYMODEL | |
205 | def_bool y if SPARSEMEM | |
206 | ||
207 | config ARCH_SPARSEMEM_ENABLE | |
208 | def_bool y | |
209 | select SPARSEMEM_VMEMMAP_ENABLE | |
210 | ||
211 | config ARCH_SPARSEMEM_DEFAULT | |
212 | def_bool ARCH_SPARSEMEM_ENABLE | |
213 | ||
214 | config ARCH_SELECT_MEMORY_MODEL | |
215 | def_bool ARCH_SPARSEMEM_ENABLE | |
216 | ||
217 | config HAVE_ARCH_PFN_VALID | |
218 | def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM | |
219 | ||
220 | config HW_PERF_EVENTS | |
221 | bool "Enable hardware performance counter support for perf events" | |
222 | depends on PERF_EVENTS | |
223 | default y | |
224 | help | |
225 | Enable hardware performance counter support for perf events. If | |
226 | disabled, perf events will use software events only. | |
227 | ||
084bd298 SC |
228 | config SYS_SUPPORTS_HUGETLBFS |
229 | def_bool y | |
230 | ||
231 | config ARCH_WANT_GENERAL_HUGETLB | |
232 | def_bool y | |
233 | ||
234 | config ARCH_WANT_HUGE_PMD_SHARE | |
235 | def_bool y if !ARM64_64K_PAGES | |
236 | ||
af074848 SC |
237 | config HAVE_ARCH_TRANSPARENT_HUGEPAGE |
238 | def_bool y | |
239 | ||
8c2c3df3 CM |
240 | source "mm/Kconfig" |
241 | ||
aa42aa13 SS |
242 | config XEN_DOM0 |
243 | def_bool y | |
244 | depends on XEN | |
245 | ||
246 | config XEN | |
247 | bool "Xen guest support on ARM64 (EXPERIMENTAL)" | |
248 | depends on ARM64 && OF | |
83862ccf | 249 | select SWIOTLB_XEN |
aa42aa13 SS |
250 | help |
251 | Say Y if you want to run Linux in a Virtual Machine on Xen on ARM64. | |
252 | ||
d03bb145 SC |
253 | config FORCE_MAX_ZONEORDER |
254 | int | |
255 | default "14" if (ARM64_64K_PAGES && TRANSPARENT_HUGEPAGE) | |
256 | default "11" | |
257 | ||
8c2c3df3 CM |
258 | endmenu |
259 | ||
260 | menu "Boot options" | |
261 | ||
262 | config CMDLINE | |
263 | string "Default kernel command string" | |
264 | default "" | |
265 | help | |
266 | Provide a set of default command-line options at build time by | |
267 | entering them here. As a minimum, you should specify the the | |
268 | root device (e.g. root=/dev/nfs). | |
269 | ||
270 | config CMDLINE_FORCE | |
271 | bool "Always use the default kernel command string" | |
272 | help | |
273 | Always use the default kernel command string, even if the boot | |
274 | loader passes other arguments to the kernel. | |
275 | This is useful if you cannot or don't want to change the | |
276 | command-line options your boot loader passes to the kernel. | |
277 | ||
278 | endmenu | |
279 | ||
280 | menu "Userspace binary formats" | |
281 | ||
282 | source "fs/Kconfig.binfmt" | |
283 | ||
284 | config COMPAT | |
285 | bool "Kernel support for 32-bit EL0" | |
286 | depends on !ARM64_64K_PAGES | |
287 | select COMPAT_BINFMT_ELF | |
af1839eb | 288 | select HAVE_UID16 |
84b9e9b4 | 289 | select OLD_SIGSUSPEND3 |
51682036 | 290 | select COMPAT_OLD_SIGACTION |
8c2c3df3 CM |
291 | help |
292 | This option enables support for a 32-bit EL0 running under a 64-bit | |
293 | kernel at EL1. AArch32-specific components such as system calls, | |
294 | the user helper functions, VFP support and the ptrace interface are | |
295 | handled appropriately by the kernel. | |
296 | ||
297 | If you want to execute 32-bit userspace applications, say Y. | |
298 | ||
299 | config SYSVIPC_COMPAT | |
300 | def_bool y | |
301 | depends on COMPAT && SYSVIPC | |
302 | ||
303 | endmenu | |
304 | ||
166936ba LP |
305 | menu "Power management options" |
306 | ||
307 | source "kernel/power/Kconfig" | |
308 | ||
309 | config ARCH_SUSPEND_POSSIBLE | |
310 | def_bool y | |
311 | ||
312 | config ARM64_CPU_SUSPEND | |
313 | def_bool PM_SLEEP | |
314 | ||
315 | endmenu | |
316 | ||
1307220d LP |
317 | menu "CPU Power Management" |
318 | ||
319 | source "drivers/cpuidle/Kconfig" | |
320 | ||
321 | endmenu | |
322 | ||
addea9ef RH |
323 | menu "Power management options" |
324 | ||
325 | source "kernel/power/Kconfig" | |
326 | ||
327 | source "drivers/cpufreq/Kconfig" | |
328 | ||
329 | endmenu | |
330 | ||
8c2c3df3 CM |
331 | source "net/Kconfig" |
332 | ||
333 | source "drivers/Kconfig" | |
334 | ||
335 | source "fs/Kconfig" | |
336 | ||
c3eb5b14 MZ |
337 | source "arch/arm64/kvm/Kconfig" |
338 | ||
8c2c3df3 CM |
339 | source "arch/arm64/Kconfig.debug" |
340 | ||
341 | source "security/Kconfig" | |
342 | ||
343 | source "crypto/Kconfig" | |
344 | ||
345 | source "lib/Kconfig" |