Commit | Line | Data |
---|---|---|
8c2c3df3 CM |
1 | config ARM64 |
2 | def_bool y | |
3 | select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE | |
e6be7d31 | 4 | select ARCH_SUPPORTS_ATOMIC_RMW |
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 |
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 CM |
114 | |
115 | endmenu | |
116 | ||
117 | menu "Bus support" | |
118 | ||
119 | config ARM_AMBA | |
120 | bool | |
121 | ||
122 | endmenu | |
123 | ||
124 | menu "Kernel Features" | |
125 | ||
8c2c3df3 CM |
126 | config ARM64_64K_PAGES |
127 | bool "Enable 64KB pages support" | |
128 | help | |
129 | This feature enables 64KB pages support (4KB by default) | |
130 | allowing only two levels of page tables and faster TLB | |
131 | look-up. AArch32 emulation is not available when this feature | |
132 | is enabled. | |
133 | ||
134 | config SMP | |
135 | bool "Symmetric Multi-Processing" | |
136 | select USE_GENERIC_SMP_HELPERS | |
137 | help | |
138 | This enables support for systems with more than one CPU. If | |
139 | you say N here, the kernel will run on single and | |
140 | multiprocessor machines, but will use only one CPU of a | |
141 | multiprocessor machine. If you say Y here, the kernel will run | |
142 | on many, but not all, single processor machines. On a single | |
143 | processor machine, the kernel will run faster if you say N | |
144 | here. | |
145 | ||
146 | If you don't know what to do here, say N. | |
147 | ||
148 | config NR_CPUS | |
149 | int "Maximum number of CPUs (2-32)" | |
150 | range 2 32 | |
151 | depends on SMP | |
152 | default "4" | |
153 | ||
154 | source kernel/Kconfig.preempt | |
155 | ||
156 | config HZ | |
157 | int | |
158 | default 100 | |
159 | ||
160 | config ARCH_HAS_HOLES_MEMORYMODEL | |
161 | def_bool y if SPARSEMEM | |
162 | ||
163 | config ARCH_SPARSEMEM_ENABLE | |
164 | def_bool y | |
165 | select SPARSEMEM_VMEMMAP_ENABLE | |
166 | ||
167 | config ARCH_SPARSEMEM_DEFAULT | |
168 | def_bool ARCH_SPARSEMEM_ENABLE | |
169 | ||
170 | config ARCH_SELECT_MEMORY_MODEL | |
171 | def_bool ARCH_SPARSEMEM_ENABLE | |
172 | ||
173 | config HAVE_ARCH_PFN_VALID | |
174 | def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM | |
175 | ||
176 | config HW_PERF_EVENTS | |
177 | bool "Enable hardware performance counter support for perf events" | |
178 | depends on PERF_EVENTS | |
179 | default y | |
180 | help | |
181 | Enable hardware performance counter support for perf events. If | |
182 | disabled, perf events will use software events only. | |
183 | ||
184 | source "mm/Kconfig" | |
185 | ||
186 | endmenu | |
187 | ||
188 | menu "Boot options" | |
189 | ||
190 | config CMDLINE | |
191 | string "Default kernel command string" | |
192 | default "" | |
193 | help | |
194 | Provide a set of default command-line options at build time by | |
195 | entering them here. As a minimum, you should specify the the | |
196 | root device (e.g. root=/dev/nfs). | |
197 | ||
198 | config CMDLINE_FORCE | |
199 | bool "Always use the default kernel command string" | |
200 | help | |
201 | Always use the default kernel command string, even if the boot | |
202 | loader passes other arguments to the kernel. | |
203 | This is useful if you cannot or don't want to change the | |
204 | command-line options your boot loader passes to the kernel. | |
205 | ||
206 | endmenu | |
207 | ||
208 | menu "Userspace binary formats" | |
209 | ||
210 | source "fs/Kconfig.binfmt" | |
211 | ||
212 | config COMPAT | |
213 | bool "Kernel support for 32-bit EL0" | |
214 | depends on !ARM64_64K_PAGES | |
215 | select COMPAT_BINFMT_ELF | |
af1839eb | 216 | select HAVE_UID16 |
84b9e9b4 | 217 | select OLD_SIGSUSPEND3 |
51682036 | 218 | select COMPAT_OLD_SIGACTION |
8c2c3df3 CM |
219 | help |
220 | This option enables support for a 32-bit EL0 running under a 64-bit | |
221 | kernel at EL1. AArch32-specific components such as system calls, | |
222 | the user helper functions, VFP support and the ptrace interface are | |
223 | handled appropriately by the kernel. | |
224 | ||
225 | If you want to execute 32-bit userspace applications, say Y. | |
226 | ||
227 | config SYSVIPC_COMPAT | |
228 | def_bool y | |
229 | depends on COMPAT && SYSVIPC | |
230 | ||
231 | endmenu | |
232 | ||
233 | source "net/Kconfig" | |
234 | ||
235 | source "drivers/Kconfig" | |
236 | ||
237 | source "fs/Kconfig" | |
238 | ||
239 | source "arch/arm64/Kconfig.debug" | |
240 | ||
241 | source "security/Kconfig" | |
242 | ||
243 | source "crypto/Kconfig" | |
244 | ||
245 | source "lib/Kconfig" |