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