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 |
8c2c3df3 | 29 | select HAVE_ARCH_TRACEHOOK |
9b2a60c4 | 30 | select HAVE_DEBUG_BUGVERBOSE |
b69ec42b | 31 | select HAVE_DEBUG_KMEMLEAK |
8c2c3df3 CM |
32 | select HAVE_DMA_API_DEBUG |
33 | select HAVE_DMA_ATTRS | |
6ac2104d | 34 | select HAVE_DMA_CONTIGUOUS |
50afc33a | 35 | select HAVE_EFFICIENT_UNALIGNED_ACCESS |
8c2c3df3 | 36 | select HAVE_GENERIC_DMA_COHERENT |
8c2c3df3 | 37 | select HAVE_HW_BREAKPOINT if PERF_EVENTS |
8c2c3df3 | 38 | select HAVE_MEMBLOCK |
55834a77 | 39 | select HAVE_PATA_PLATFORM |
8c2c3df3 | 40 | select HAVE_PERF_EVENTS |
8c2c3df3 | 41 | select IRQ_DOMAIN |
fea2acaa | 42 | select MODULES_USE_ELF_RELA |
8c2c3df3 CM |
43 | select NO_BOOTMEM |
44 | select OF | |
45 | select OF_EARLY_FLATTREE | |
46 | select PERF_USE_VMALLOC | |
aa1e8ec1 CM |
47 | select POWER_RESET |
48 | select POWER_SUPPLY | |
8c2c3df3 CM |
49 | select RTC_LIB |
50 | select SPARSE_IRQ | |
7ac57a89 | 51 | select SYSCTL_EXCEPTION_TRACE |
8c2c3df3 CM |
52 | help |
53 | ARM 64-bit (AArch64) Linux support. | |
54 | ||
55 | config 64BIT | |
56 | def_bool y | |
57 | ||
58 | config ARCH_PHYS_ADDR_T_64BIT | |
59 | def_bool y | |
60 | ||
61 | config MMU | |
62 | def_bool y | |
63 | ||
64 | config NO_IOPORT | |
65 | def_bool y | |
66 | ||
67 | config STACKTRACE_SUPPORT | |
68 | def_bool y | |
69 | ||
70 | config LOCKDEP_SUPPORT | |
71 | def_bool y | |
72 | ||
73 | config TRACE_IRQFLAGS_SUPPORT | |
74 | def_bool y | |
75 | ||
8c2c3df3 CM |
76 | config RWSEM_GENERIC_SPINLOCK |
77 | def_bool y | |
78 | ||
79 | config GENERIC_HWEIGHT | |
80 | def_bool y | |
81 | ||
82 | config GENERIC_CSUM | |
83 | def_bool y | |
84 | ||
85 | config GENERIC_CALIBRATE_DELAY | |
86 | def_bool y | |
87 | ||
88 | config ZONE_DMA32 | |
89 | def_bool y | |
90 | ||
91 | config ARCH_DMA_ADDR_T_64BIT | |
92 | def_bool y | |
93 | ||
94 | config NEED_DMA_MAP_STATE | |
95 | def_bool y | |
96 | ||
97 | config NEED_SG_DMA_LENGTH | |
98 | def_bool y | |
99 | ||
100 | config SWIOTLB | |
101 | def_bool y | |
102 | ||
103 | config IOMMU_HELPER | |
104 | def_bool SWIOTLB | |
105 | ||
4cfb3613 AB |
106 | config KERNEL_MODE_NEON |
107 | def_bool y | |
108 | ||
8c2c3df3 CM |
109 | source "init/Kconfig" |
110 | ||
111 | source "kernel/Kconfig.freezer" | |
112 | ||
1ae90e79 CM |
113 | menu "Platform selection" |
114 | ||
115 | config ARCH_VEXPRESS | |
116 | bool "ARMv8 software model (Versatile Express)" | |
117 | select ARCH_REQUIRE_GPIOLIB | |
118 | select COMMON_CLK_VERSATILE | |
aa1e8ec1 | 119 | select POWER_RESET_VEXPRESS |
1ae90e79 CM |
120 | select VEXPRESS_CONFIG |
121 | help | |
122 | This enables support for the ARMv8 software model (Versatile | |
123 | Express). | |
8c2c3df3 | 124 | |
15942853 VK |
125 | config ARCH_XGENE |
126 | bool "AppliedMicro X-Gene SOC Family" | |
127 | help | |
128 | This enables support for AppliedMicro X-Gene SOC Family | |
129 | ||
8c2c3df3 CM |
130 | endmenu |
131 | ||
132 | menu "Bus support" | |
133 | ||
134 | config ARM_AMBA | |
135 | bool | |
136 | ||
137 | endmenu | |
138 | ||
139 | menu "Kernel Features" | |
140 | ||
8c2c3df3 CM |
141 | config ARM64_64K_PAGES |
142 | bool "Enable 64KB pages support" | |
143 | help | |
144 | This feature enables 64KB pages support (4KB by default) | |
145 | allowing only two levels of page tables and faster TLB | |
146 | look-up. AArch32 emulation is not available when this feature | |
147 | is enabled. | |
148 | ||
a872013d WD |
149 | config CPU_BIG_ENDIAN |
150 | bool "Build big-endian kernel" | |
151 | help | |
152 | Say Y if you plan on running a kernel in big-endian mode. | |
153 | ||
8c2c3df3 CM |
154 | config SMP |
155 | bool "Symmetric Multi-Processing" | |
8c2c3df3 CM |
156 | help |
157 | This enables support for systems with more than one CPU. If | |
158 | you say N here, the kernel will run on single and | |
159 | multiprocessor machines, but will use only one CPU of a | |
160 | multiprocessor machine. If you say Y here, the kernel will run | |
161 | on many, but not all, single processor machines. On a single | |
162 | processor machine, the kernel will run faster if you say N | |
163 | here. | |
164 | ||
165 | If you don't know what to do here, say N. | |
166 | ||
167 | config NR_CPUS | |
168 | int "Maximum number of CPUs (2-32)" | |
169 | range 2 32 | |
170 | depends on SMP | |
15942853 | 171 | # These have to remain sorted largest to smallest |
62aceb8f | 172 | default "8" |
8c2c3df3 | 173 | |
9327e2c6 MR |
174 | config HOTPLUG_CPU |
175 | bool "Support for hot-pluggable CPUs" | |
176 | depends on SMP | |
177 | help | |
178 | Say Y here to experiment with turning CPUs off and on. CPUs | |
179 | can be controlled through /sys/devices/system/cpu. | |
180 | ||
8c2c3df3 CM |
181 | source kernel/Kconfig.preempt |
182 | ||
183 | config HZ | |
184 | int | |
185 | default 100 | |
186 | ||
187 | config ARCH_HAS_HOLES_MEMORYMODEL | |
188 | def_bool y if SPARSEMEM | |
189 | ||
190 | config ARCH_SPARSEMEM_ENABLE | |
191 | def_bool y | |
192 | select SPARSEMEM_VMEMMAP_ENABLE | |
193 | ||
194 | config ARCH_SPARSEMEM_DEFAULT | |
195 | def_bool ARCH_SPARSEMEM_ENABLE | |
196 | ||
197 | config ARCH_SELECT_MEMORY_MODEL | |
198 | def_bool ARCH_SPARSEMEM_ENABLE | |
199 | ||
200 | config HAVE_ARCH_PFN_VALID | |
201 | def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM | |
202 | ||
203 | config HW_PERF_EVENTS | |
204 | bool "Enable hardware performance counter support for perf events" | |
205 | depends on PERF_EVENTS | |
206 | default y | |
207 | help | |
208 | Enable hardware performance counter support for perf events. If | |
209 | disabled, perf events will use software events only. | |
210 | ||
084bd298 SC |
211 | config SYS_SUPPORTS_HUGETLBFS |
212 | def_bool y | |
213 | ||
214 | config ARCH_WANT_GENERAL_HUGETLB | |
215 | def_bool y | |
216 | ||
217 | config ARCH_WANT_HUGE_PMD_SHARE | |
218 | def_bool y if !ARM64_64K_PAGES | |
219 | ||
af074848 SC |
220 | config HAVE_ARCH_TRANSPARENT_HUGEPAGE |
221 | def_bool y | |
222 | ||
8c2c3df3 CM |
223 | source "mm/Kconfig" |
224 | ||
aa42aa13 SS |
225 | config XEN_DOM0 |
226 | def_bool y | |
227 | depends on XEN | |
228 | ||
229 | config XEN | |
230 | bool "Xen guest support on ARM64 (EXPERIMENTAL)" | |
231 | depends on ARM64 && OF | |
83862ccf | 232 | select SWIOTLB_XEN |
aa42aa13 SS |
233 | help |
234 | Say Y if you want to run Linux in a Virtual Machine on Xen on ARM64. | |
235 | ||
d03bb145 SC |
236 | config FORCE_MAX_ZONEORDER |
237 | int | |
238 | default "14" if (ARM64_64K_PAGES && TRANSPARENT_HUGEPAGE) | |
239 | default "11" | |
240 | ||
8c2c3df3 CM |
241 | endmenu |
242 | ||
243 | menu "Boot options" | |
244 | ||
245 | config CMDLINE | |
246 | string "Default kernel command string" | |
247 | default "" | |
248 | help | |
249 | Provide a set of default command-line options at build time by | |
250 | entering them here. As a minimum, you should specify the the | |
251 | root device (e.g. root=/dev/nfs). | |
252 | ||
253 | config CMDLINE_FORCE | |
254 | bool "Always use the default kernel command string" | |
255 | help | |
256 | Always use the default kernel command string, even if the boot | |
257 | loader passes other arguments to the kernel. | |
258 | This is useful if you cannot or don't want to change the | |
259 | command-line options your boot loader passes to the kernel. | |
260 | ||
261 | endmenu | |
262 | ||
263 | menu "Userspace binary formats" | |
264 | ||
265 | source "fs/Kconfig.binfmt" | |
266 | ||
267 | config COMPAT | |
268 | bool "Kernel support for 32-bit EL0" | |
269 | depends on !ARM64_64K_PAGES | |
270 | select COMPAT_BINFMT_ELF | |
af1839eb | 271 | select HAVE_UID16 |
84b9e9b4 | 272 | select OLD_SIGSUSPEND3 |
51682036 | 273 | select COMPAT_OLD_SIGACTION |
8c2c3df3 CM |
274 | help |
275 | This option enables support for a 32-bit EL0 running under a 64-bit | |
276 | kernel at EL1. AArch32-specific components such as system calls, | |
277 | the user helper functions, VFP support and the ptrace interface are | |
278 | handled appropriately by the kernel. | |
279 | ||
280 | If you want to execute 32-bit userspace applications, say Y. | |
281 | ||
282 | config SYSVIPC_COMPAT | |
283 | def_bool y | |
284 | depends on COMPAT && SYSVIPC | |
285 | ||
286 | endmenu | |
287 | ||
166936ba LP |
288 | menu "Power management options" |
289 | ||
290 | source "kernel/power/Kconfig" | |
291 | ||
292 | config ARCH_SUSPEND_POSSIBLE | |
293 | def_bool y | |
294 | ||
295 | config ARM64_CPU_SUSPEND | |
296 | def_bool PM_SLEEP | |
297 | ||
298 | endmenu | |
299 | ||
1307220d LP |
300 | menu "CPU Power Management" |
301 | ||
302 | source "drivers/cpuidle/Kconfig" | |
303 | ||
304 | endmenu | |
305 | ||
8c2c3df3 CM |
306 | source "net/Kconfig" |
307 | ||
308 | source "drivers/Kconfig" | |
309 | ||
310 | source "fs/Kconfig" | |
311 | ||
c3eb5b14 MZ |
312 | source "arch/arm64/kvm/Kconfig" |
313 | ||
8c2c3df3 CM |
314 | source "arch/arm64/Kconfig.debug" |
315 | ||
316 | source "security/Kconfig" | |
317 | ||
318 | source "crypto/Kconfig" | |
319 | ||
320 | source "lib/Kconfig" |