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 |
9170100e | 5 | select ARCH_WANT_OPTIONAL_GPIOLIB |
6212a512 | 6 | select ARCH_WANT_COMPAT_IPC_PARSE_VERSION |
b6f35981 | 7 | select ARCH_WANT_FRAME_POINTERS |
25c92a37 | 8 | select ARM_AMBA |
1aee5d7a | 9 | select ARM_ARCH_TIMER |
c4188edc | 10 | select ARM_GIC |
adace895 | 11 | select BUILDTIME_EXTABLE_SORT |
db2789b5 | 12 | select CLONE_BACKWARDS |
7ca2ef33 | 13 | select COMMON_CLK |
7bc13fd3 | 14 | select DCACHE_WORD_ACCESS |
8c2c3df3 | 15 | select GENERIC_CLOCKEVENTS |
8c2c3df3 CM |
16 | select GENERIC_IOMAP |
17 | select GENERIC_IRQ_PROBE | |
18 | select GENERIC_IRQ_SHOW | |
65cd4f6c | 19 | select GENERIC_SCHED_CLOCK |
8c2c3df3 | 20 | select GENERIC_SMP_IDLE_THREAD |
12a0ef7b WD |
21 | select GENERIC_STRNCPY_FROM_USER |
22 | select GENERIC_STRNLEN_USER | |
8c2c3df3 CM |
23 | select GENERIC_TIME_VSYSCALL |
24 | select HARDIRQS_SW_RESEND | |
25 | select HAVE_ARCH_TRACEHOOK | |
9b2a60c4 | 26 | select HAVE_DEBUG_BUGVERBOSE |
b69ec42b | 27 | select HAVE_DEBUG_KMEMLEAK |
8c2c3df3 CM |
28 | select HAVE_DMA_API_DEBUG |
29 | select HAVE_DMA_ATTRS | |
50afc33a | 30 | select HAVE_EFFICIENT_UNALIGNED_ACCESS |
8c2c3df3 | 31 | select HAVE_GENERIC_DMA_COHERENT |
8c2c3df3 | 32 | select HAVE_HW_BREAKPOINT if PERF_EVENTS |
8c2c3df3 CM |
33 | select HAVE_MEMBLOCK |
34 | select HAVE_PERF_EVENTS | |
8c2c3df3 | 35 | select IRQ_DOMAIN |
fea2acaa | 36 | select MODULES_USE_ELF_RELA |
8c2c3df3 CM |
37 | select NO_BOOTMEM |
38 | select OF | |
39 | select OF_EARLY_FLATTREE | |
40 | select PERF_USE_VMALLOC | |
aa1e8ec1 CM |
41 | select POWER_RESET |
42 | select POWER_SUPPLY | |
8c2c3df3 CM |
43 | select RTC_LIB |
44 | select SPARSE_IRQ | |
7ac57a89 | 45 | select SYSCTL_EXCEPTION_TRACE |
8c2c3df3 CM |
46 | help |
47 | ARM 64-bit (AArch64) Linux support. | |
48 | ||
49 | config 64BIT | |
50 | def_bool y | |
51 | ||
52 | config ARCH_PHYS_ADDR_T_64BIT | |
53 | def_bool y | |
54 | ||
55 | config MMU | |
56 | def_bool y | |
57 | ||
58 | config NO_IOPORT | |
59 | def_bool y | |
60 | ||
61 | config STACKTRACE_SUPPORT | |
62 | def_bool y | |
63 | ||
64 | config LOCKDEP_SUPPORT | |
65 | def_bool y | |
66 | ||
67 | config TRACE_IRQFLAGS_SUPPORT | |
68 | def_bool y | |
69 | ||
8c2c3df3 CM |
70 | config RWSEM_GENERIC_SPINLOCK |
71 | def_bool y | |
72 | ||
73 | config GENERIC_HWEIGHT | |
74 | def_bool y | |
75 | ||
76 | config GENERIC_CSUM | |
77 | def_bool y | |
78 | ||
79 | config GENERIC_CALIBRATE_DELAY | |
80 | def_bool y | |
81 | ||
82 | config ZONE_DMA32 | |
83 | def_bool y | |
84 | ||
85 | config ARCH_DMA_ADDR_T_64BIT | |
86 | def_bool y | |
87 | ||
88 | config NEED_DMA_MAP_STATE | |
89 | def_bool y | |
90 | ||
91 | config NEED_SG_DMA_LENGTH | |
92 | def_bool y | |
93 | ||
94 | config SWIOTLB | |
95 | def_bool y | |
96 | ||
97 | config IOMMU_HELPER | |
98 | def_bool SWIOTLB | |
99 | ||
4cfb3613 AB |
100 | config KERNEL_MODE_NEON |
101 | def_bool y | |
102 | ||
8c2c3df3 CM |
103 | source "init/Kconfig" |
104 | ||
105 | source "kernel/Kconfig.freezer" | |
106 | ||
1ae90e79 CM |
107 | menu "Platform selection" |
108 | ||
109 | config ARCH_VEXPRESS | |
110 | bool "ARMv8 software model (Versatile Express)" | |
111 | select ARCH_REQUIRE_GPIOLIB | |
112 | select COMMON_CLK_VERSATILE | |
aa1e8ec1 | 113 | select POWER_RESET_VEXPRESS |
1ae90e79 CM |
114 | select VEXPRESS_CONFIG |
115 | help | |
116 | This enables support for the ARMv8 software model (Versatile | |
117 | Express). | |
8c2c3df3 | 118 | |
15942853 VK |
119 | config ARCH_XGENE |
120 | bool "AppliedMicro X-Gene SOC Family" | |
121 | help | |
122 | This enables support for AppliedMicro X-Gene SOC Family | |
123 | ||
8c2c3df3 CM |
124 | endmenu |
125 | ||
126 | menu "Bus support" | |
127 | ||
128 | config ARM_AMBA | |
129 | bool | |
130 | ||
131 | endmenu | |
132 | ||
133 | menu "Kernel Features" | |
134 | ||
8c2c3df3 CM |
135 | config ARM64_64K_PAGES |
136 | bool "Enable 64KB pages support" | |
137 | help | |
138 | This feature enables 64KB pages support (4KB by default) | |
139 | allowing only two levels of page tables and faster TLB | |
140 | look-up. AArch32 emulation is not available when this feature | |
141 | is enabled. | |
142 | ||
a872013d WD |
143 | config CPU_BIG_ENDIAN |
144 | bool "Build big-endian kernel" | |
145 | help | |
146 | Say Y if you plan on running a kernel in big-endian mode. | |
147 | ||
8c2c3df3 CM |
148 | config SMP |
149 | bool "Symmetric Multi-Processing" | |
8c2c3df3 CM |
150 | help |
151 | This enables support for systems with more than one CPU. If | |
152 | you say N here, the kernel will run on single and | |
153 | multiprocessor machines, but will use only one CPU of a | |
154 | multiprocessor machine. If you say Y here, the kernel will run | |
155 | on many, but not all, single processor machines. On a single | |
156 | processor machine, the kernel will run faster if you say N | |
157 | here. | |
158 | ||
159 | If you don't know what to do here, say N. | |
160 | ||
161 | config NR_CPUS | |
162 | int "Maximum number of CPUs (2-32)" | |
163 | range 2 32 | |
164 | depends on SMP | |
15942853 | 165 | # These have to remain sorted largest to smallest |
62aceb8f | 166 | default "8" |
8c2c3df3 | 167 | |
9327e2c6 MR |
168 | config HOTPLUG_CPU |
169 | bool "Support for hot-pluggable CPUs" | |
170 | depends on SMP | |
171 | help | |
172 | Say Y here to experiment with turning CPUs off and on. CPUs | |
173 | can be controlled through /sys/devices/system/cpu. | |
174 | ||
8c2c3df3 CM |
175 | source kernel/Kconfig.preempt |
176 | ||
177 | config HZ | |
178 | int | |
179 | default 100 | |
180 | ||
181 | config ARCH_HAS_HOLES_MEMORYMODEL | |
182 | def_bool y if SPARSEMEM | |
183 | ||
184 | config ARCH_SPARSEMEM_ENABLE | |
185 | def_bool y | |
186 | select SPARSEMEM_VMEMMAP_ENABLE | |
187 | ||
188 | config ARCH_SPARSEMEM_DEFAULT | |
189 | def_bool ARCH_SPARSEMEM_ENABLE | |
190 | ||
191 | config ARCH_SELECT_MEMORY_MODEL | |
192 | def_bool ARCH_SPARSEMEM_ENABLE | |
193 | ||
194 | config HAVE_ARCH_PFN_VALID | |
195 | def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM | |
196 | ||
197 | config HW_PERF_EVENTS | |
198 | bool "Enable hardware performance counter support for perf events" | |
199 | depends on PERF_EVENTS | |
200 | default y | |
201 | help | |
202 | Enable hardware performance counter support for perf events. If | |
203 | disabled, perf events will use software events only. | |
204 | ||
084bd298 SC |
205 | config SYS_SUPPORTS_HUGETLBFS |
206 | def_bool y | |
207 | ||
208 | config ARCH_WANT_GENERAL_HUGETLB | |
209 | def_bool y | |
210 | ||
211 | config ARCH_WANT_HUGE_PMD_SHARE | |
212 | def_bool y if !ARM64_64K_PAGES | |
213 | ||
af074848 SC |
214 | config HAVE_ARCH_TRANSPARENT_HUGEPAGE |
215 | def_bool y | |
216 | ||
8c2c3df3 CM |
217 | source "mm/Kconfig" |
218 | ||
aa42aa13 SS |
219 | config XEN_DOM0 |
220 | def_bool y | |
221 | depends on XEN | |
222 | ||
223 | config XEN | |
224 | bool "Xen guest support on ARM64 (EXPERIMENTAL)" | |
225 | depends on ARM64 && OF | |
83862ccf | 226 | select SWIOTLB_XEN |
aa42aa13 SS |
227 | help |
228 | Say Y if you want to run Linux in a Virtual Machine on Xen on ARM64. | |
229 | ||
d03bb145 SC |
230 | config FORCE_MAX_ZONEORDER |
231 | int | |
232 | default "14" if (ARM64_64K_PAGES && TRANSPARENT_HUGEPAGE) | |
233 | default "11" | |
234 | ||
8c2c3df3 CM |
235 | endmenu |
236 | ||
237 | menu "Boot options" | |
238 | ||
239 | config CMDLINE | |
240 | string "Default kernel command string" | |
241 | default "" | |
242 | help | |
243 | Provide a set of default command-line options at build time by | |
244 | entering them here. As a minimum, you should specify the the | |
245 | root device (e.g. root=/dev/nfs). | |
246 | ||
247 | config CMDLINE_FORCE | |
248 | bool "Always use the default kernel command string" | |
249 | help | |
250 | Always use the default kernel command string, even if the boot | |
251 | loader passes other arguments to the kernel. | |
252 | This is useful if you cannot or don't want to change the | |
253 | command-line options your boot loader passes to the kernel. | |
254 | ||
255 | endmenu | |
256 | ||
257 | menu "Userspace binary formats" | |
258 | ||
259 | source "fs/Kconfig.binfmt" | |
260 | ||
261 | config COMPAT | |
262 | bool "Kernel support for 32-bit EL0" | |
263 | depends on !ARM64_64K_PAGES | |
264 | select COMPAT_BINFMT_ELF | |
af1839eb | 265 | select HAVE_UID16 |
84b9e9b4 | 266 | select OLD_SIGSUSPEND3 |
51682036 | 267 | select COMPAT_OLD_SIGACTION |
8c2c3df3 CM |
268 | help |
269 | This option enables support for a 32-bit EL0 running under a 64-bit | |
270 | kernel at EL1. AArch32-specific components such as system calls, | |
271 | the user helper functions, VFP support and the ptrace interface are | |
272 | handled appropriately by the kernel. | |
273 | ||
274 | If you want to execute 32-bit userspace applications, say Y. | |
275 | ||
276 | config SYSVIPC_COMPAT | |
277 | def_bool y | |
278 | depends on COMPAT && SYSVIPC | |
279 | ||
280 | endmenu | |
281 | ||
282 | source "net/Kconfig" | |
283 | ||
284 | source "drivers/Kconfig" | |
285 | ||
286 | source "fs/Kconfig" | |
287 | ||
c3eb5b14 MZ |
288 | source "arch/arm64/kvm/Kconfig" |
289 | ||
8c2c3df3 CM |
290 | source "arch/arm64/Kconfig.debug" |
291 | ||
292 | source "security/Kconfig" | |
293 | ||
294 | source "crypto/Kconfig" | |
295 | ||
296 | source "lib/Kconfig" |