Commit | Line | Data |
---|---|---|
8c2c3df3 CM |
1 | config ARM64 |
2 | def_bool y | |
3 | select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE | |
9170100e | 4 | select ARCH_WANT_OPTIONAL_GPIOLIB |
6212a512 | 5 | select ARCH_WANT_COMPAT_IPC_PARSE_VERSION |
b6f35981 | 6 | select ARCH_WANT_FRAME_POINTERS |
25c92a37 | 7 | select ARM_AMBA |
1aee5d7a | 8 | select ARM_ARCH_TIMER |
c4188edc | 9 | select ARM_GIC |
adace895 | 10 | select BUILDTIME_EXTABLE_SORT |
db2789b5 | 11 | select CLONE_BACKWARDS |
7ca2ef33 | 12 | select COMMON_CLK |
8c2c3df3 | 13 | select GENERIC_CLOCKEVENTS |
8c2c3df3 CM |
14 | select GENERIC_IOMAP |
15 | select GENERIC_IRQ_PROBE | |
16 | select GENERIC_IRQ_SHOW | |
17 | select GENERIC_SMP_IDLE_THREAD | |
18 | select GENERIC_TIME_VSYSCALL | |
19 | select HARDIRQS_SW_RESEND | |
20 | select HAVE_ARCH_TRACEHOOK | |
9b2a60c4 | 21 | select HAVE_DEBUG_BUGVERBOSE |
b69ec42b | 22 | select HAVE_DEBUG_KMEMLEAK |
8c2c3df3 CM |
23 | select HAVE_DMA_API_DEBUG |
24 | select HAVE_DMA_ATTRS | |
25 | select HAVE_GENERIC_DMA_COHERENT | |
26 | select HAVE_GENERIC_HARDIRQS | |
27 | select HAVE_HW_BREAKPOINT if PERF_EVENTS | |
8c2c3df3 CM |
28 | select HAVE_MEMBLOCK |
29 | select HAVE_PERF_EVENTS | |
8c2c3df3 | 30 | select IRQ_DOMAIN |
fea2acaa | 31 | select MODULES_USE_ELF_RELA |
8c2c3df3 CM |
32 | select NO_BOOTMEM |
33 | select OF | |
34 | select OF_EARLY_FLATTREE | |
35 | select PERF_USE_VMALLOC | |
aa1e8ec1 CM |
36 | select POWER_RESET |
37 | select POWER_SUPPLY | |
8c2c3df3 CM |
38 | select RTC_LIB |
39 | select SPARSE_IRQ | |
7ac57a89 | 40 | select SYSCTL_EXCEPTION_TRACE |
8c2c3df3 CM |
41 | help |
42 | ARM 64-bit (AArch64) Linux support. | |
43 | ||
44 | config 64BIT | |
45 | def_bool y | |
46 | ||
47 | config ARCH_PHYS_ADDR_T_64BIT | |
48 | def_bool y | |
49 | ||
50 | config MMU | |
51 | def_bool y | |
52 | ||
53 | config NO_IOPORT | |
54 | def_bool y | |
55 | ||
56 | config STACKTRACE_SUPPORT | |
57 | def_bool y | |
58 | ||
59 | config LOCKDEP_SUPPORT | |
60 | def_bool y | |
61 | ||
62 | config TRACE_IRQFLAGS_SUPPORT | |
63 | def_bool y | |
64 | ||
65 | config GENERIC_LOCKBREAK | |
66 | def_bool y | |
67 | depends on SMP && PREEMPT | |
68 | ||
69 | config RWSEM_GENERIC_SPINLOCK | |
70 | def_bool y | |
71 | ||
72 | config GENERIC_HWEIGHT | |
73 | def_bool y | |
74 | ||
75 | config GENERIC_CSUM | |
76 | def_bool y | |
77 | ||
78 | config GENERIC_CALIBRATE_DELAY | |
79 | def_bool y | |
80 | ||
81 | config ZONE_DMA32 | |
82 | def_bool y | |
83 | ||
84 | config ARCH_DMA_ADDR_T_64BIT | |
85 | def_bool y | |
86 | ||
87 | config NEED_DMA_MAP_STATE | |
88 | def_bool y | |
89 | ||
90 | config NEED_SG_DMA_LENGTH | |
91 | def_bool y | |
92 | ||
93 | config SWIOTLB | |
94 | def_bool y | |
95 | ||
96 | config IOMMU_HELPER | |
97 | def_bool SWIOTLB | |
98 | ||
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 | ||
139 | config SMP | |
140 | bool "Symmetric Multi-Processing" | |
141 | select USE_GENERIC_SMP_HELPERS | |
142 | help | |
143 | This enables support for systems with more than one CPU. If | |
144 | you say N here, the kernel will run on single and | |
145 | multiprocessor machines, but will use only one CPU of a | |
146 | multiprocessor machine. If you say Y here, the kernel will run | |
147 | on many, but not all, single processor machines. On a single | |
148 | processor machine, the kernel will run faster if you say N | |
149 | here. | |
150 | ||
151 | If you don't know what to do here, say N. | |
152 | ||
153 | config NR_CPUS | |
154 | int "Maximum number of CPUs (2-32)" | |
155 | range 2 32 | |
156 | depends on SMP | |
15942853 VK |
157 | # These have to remain sorted largest to smallest |
158 | default "8" if ARCH_XGENE | |
8c2c3df3 CM |
159 | default "4" |
160 | ||
161 | source kernel/Kconfig.preempt | |
162 | ||
163 | config HZ | |
164 | int | |
165 | default 100 | |
166 | ||
167 | config ARCH_HAS_HOLES_MEMORYMODEL | |
168 | def_bool y if SPARSEMEM | |
169 | ||
170 | config ARCH_SPARSEMEM_ENABLE | |
171 | def_bool y | |
172 | select SPARSEMEM_VMEMMAP_ENABLE | |
173 | ||
174 | config ARCH_SPARSEMEM_DEFAULT | |
175 | def_bool ARCH_SPARSEMEM_ENABLE | |
176 | ||
177 | config ARCH_SELECT_MEMORY_MODEL | |
178 | def_bool ARCH_SPARSEMEM_ENABLE | |
179 | ||
180 | config HAVE_ARCH_PFN_VALID | |
181 | def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM | |
182 | ||
183 | config HW_PERF_EVENTS | |
184 | bool "Enable hardware performance counter support for perf events" | |
185 | depends on PERF_EVENTS | |
186 | default y | |
187 | help | |
188 | Enable hardware performance counter support for perf events. If | |
189 | disabled, perf events will use software events only. | |
190 | ||
191 | source "mm/Kconfig" | |
192 | ||
aa42aa13 SS |
193 | config XEN_DOM0 |
194 | def_bool y | |
195 | depends on XEN | |
196 | ||
197 | config XEN | |
198 | bool "Xen guest support on ARM64 (EXPERIMENTAL)" | |
199 | depends on ARM64 && OF | |
200 | help | |
201 | Say Y if you want to run Linux in a Virtual Machine on Xen on ARM64. | |
202 | ||
8c2c3df3 CM |
203 | endmenu |
204 | ||
205 | menu "Boot options" | |
206 | ||
207 | config CMDLINE | |
208 | string "Default kernel command string" | |
209 | default "" | |
210 | help | |
211 | Provide a set of default command-line options at build time by | |
212 | entering them here. As a minimum, you should specify the the | |
213 | root device (e.g. root=/dev/nfs). | |
214 | ||
215 | config CMDLINE_FORCE | |
216 | bool "Always use the default kernel command string" | |
217 | help | |
218 | Always use the default kernel command string, even if the boot | |
219 | loader passes other arguments to the kernel. | |
220 | This is useful if you cannot or don't want to change the | |
221 | command-line options your boot loader passes to the kernel. | |
222 | ||
223 | endmenu | |
224 | ||
225 | menu "Userspace binary formats" | |
226 | ||
227 | source "fs/Kconfig.binfmt" | |
228 | ||
229 | config COMPAT | |
230 | bool "Kernel support for 32-bit EL0" | |
231 | depends on !ARM64_64K_PAGES | |
232 | select COMPAT_BINFMT_ELF | |
af1839eb | 233 | select HAVE_UID16 |
84b9e9b4 | 234 | select OLD_SIGSUSPEND3 |
51682036 | 235 | select COMPAT_OLD_SIGACTION |
8c2c3df3 CM |
236 | help |
237 | This option enables support for a 32-bit EL0 running under a 64-bit | |
238 | kernel at EL1. AArch32-specific components such as system calls, | |
239 | the user helper functions, VFP support and the ptrace interface are | |
240 | handled appropriately by the kernel. | |
241 | ||
242 | If you want to execute 32-bit userspace applications, say Y. | |
243 | ||
244 | config SYSVIPC_COMPAT | |
245 | def_bool y | |
246 | depends on COMPAT && SYSVIPC | |
247 | ||
248 | endmenu | |
249 | ||
250 | source "net/Kconfig" | |
251 | ||
252 | source "drivers/Kconfig" | |
253 | ||
254 | source "fs/Kconfig" | |
255 | ||
256 | source "arch/arm64/Kconfig.debug" | |
257 | ||
258 | source "security/Kconfig" | |
259 | ||
260 | source "crypto/Kconfig" | |
261 | ||
262 | source "lib/Kconfig" |