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