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 |
db2789b5 | 10 | select CLONE_BACKWARDS |
7ca2ef33 | 11 | select COMMON_CLK |
8c2c3df3 | 12 | select GENERIC_CLOCKEVENTS |
8c2c3df3 CM |
13 | select GENERIC_IOMAP |
14 | select GENERIC_IRQ_PROBE | |
15 | select GENERIC_IRQ_SHOW | |
16 | select GENERIC_SMP_IDLE_THREAD | |
17 | select GENERIC_TIME_VSYSCALL | |
18 | select HARDIRQS_SW_RESEND | |
19 | select HAVE_ARCH_TRACEHOOK | |
9b2a60c4 | 20 | select HAVE_DEBUG_BUGVERBOSE |
b69ec42b | 21 | select HAVE_DEBUG_KMEMLEAK |
8c2c3df3 CM |
22 | select HAVE_DMA_API_DEBUG |
23 | select HAVE_DMA_ATTRS | |
24 | select HAVE_GENERIC_DMA_COHERENT | |
25 | select HAVE_GENERIC_HARDIRQS | |
26 | select HAVE_HW_BREAKPOINT if PERF_EVENTS | |
8c2c3df3 CM |
27 | select HAVE_MEMBLOCK |
28 | select HAVE_PERF_EVENTS | |
8c2c3df3 | 29 | select IRQ_DOMAIN |
fea2acaa | 30 | select MODULES_USE_ELF_RELA |
8c2c3df3 CM |
31 | select NO_BOOTMEM |
32 | select OF | |
33 | select OF_EARLY_FLATTREE | |
34 | select PERF_USE_VMALLOC | |
aa1e8ec1 CM |
35 | select POWER_RESET |
36 | select POWER_SUPPLY | |
8c2c3df3 CM |
37 | select RTC_LIB |
38 | select SPARSE_IRQ | |
7ac57a89 | 39 | select SYSCTL_EXCEPTION_TRACE |
8c2c3df3 CM |
40 | help |
41 | ARM 64-bit (AArch64) Linux support. | |
42 | ||
43 | config 64BIT | |
44 | def_bool y | |
45 | ||
46 | config ARCH_PHYS_ADDR_T_64BIT | |
47 | def_bool y | |
48 | ||
49 | config MMU | |
50 | def_bool y | |
51 | ||
52 | config NO_IOPORT | |
53 | def_bool y | |
54 | ||
55 | config STACKTRACE_SUPPORT | |
56 | def_bool y | |
57 | ||
58 | config LOCKDEP_SUPPORT | |
59 | def_bool y | |
60 | ||
61 | config TRACE_IRQFLAGS_SUPPORT | |
62 | def_bool y | |
63 | ||
64 | config GENERIC_LOCKBREAK | |
65 | def_bool y | |
66 | depends on SMP && PREEMPT | |
67 | ||
68 | config RWSEM_GENERIC_SPINLOCK | |
69 | def_bool y | |
70 | ||
71 | config GENERIC_HWEIGHT | |
72 | def_bool y | |
73 | ||
74 | config GENERIC_CSUM | |
75 | def_bool y | |
76 | ||
77 | config GENERIC_CALIBRATE_DELAY | |
78 | def_bool y | |
79 | ||
80 | config ZONE_DMA32 | |
81 | def_bool y | |
82 | ||
83 | config ARCH_DMA_ADDR_T_64BIT | |
84 | def_bool y | |
85 | ||
86 | config NEED_DMA_MAP_STATE | |
87 | def_bool y | |
88 | ||
89 | config NEED_SG_DMA_LENGTH | |
90 | def_bool y | |
91 | ||
92 | config SWIOTLB | |
93 | def_bool y | |
94 | ||
95 | config IOMMU_HELPER | |
96 | def_bool SWIOTLB | |
97 | ||
98 | source "init/Kconfig" | |
99 | ||
100 | source "kernel/Kconfig.freezer" | |
101 | ||
1ae90e79 CM |
102 | menu "Platform selection" |
103 | ||
104 | config ARCH_VEXPRESS | |
105 | bool "ARMv8 software model (Versatile Express)" | |
106 | select ARCH_REQUIRE_GPIOLIB | |
107 | select COMMON_CLK_VERSATILE | |
aa1e8ec1 | 108 | select POWER_RESET_VEXPRESS |
1ae90e79 CM |
109 | select VEXPRESS_CONFIG |
110 | help | |
111 | This enables support for the ARMv8 software model (Versatile | |
112 | Express). | |
8c2c3df3 CM |
113 | |
114 | endmenu | |
115 | ||
116 | menu "Bus support" | |
117 | ||
118 | config ARM_AMBA | |
119 | bool | |
120 | ||
121 | endmenu | |
122 | ||
123 | menu "Kernel Features" | |
124 | ||
8c2c3df3 CM |
125 | config ARM64_64K_PAGES |
126 | bool "Enable 64KB pages support" | |
127 | help | |
128 | This feature enables 64KB pages support (4KB by default) | |
129 | allowing only two levels of page tables and faster TLB | |
130 | look-up. AArch32 emulation is not available when this feature | |
131 | is enabled. | |
132 | ||
133 | config SMP | |
134 | bool "Symmetric Multi-Processing" | |
135 | select USE_GENERIC_SMP_HELPERS | |
136 | help | |
137 | This enables support for systems with more than one CPU. If | |
138 | you say N here, the kernel will run on single and | |
139 | multiprocessor machines, but will use only one CPU of a | |
140 | multiprocessor machine. If you say Y here, the kernel will run | |
141 | on many, but not all, single processor machines. On a single | |
142 | processor machine, the kernel will run faster if you say N | |
143 | here. | |
144 | ||
145 | If you don't know what to do here, say N. | |
146 | ||
147 | config NR_CPUS | |
148 | int "Maximum number of CPUs (2-32)" | |
149 | range 2 32 | |
150 | depends on SMP | |
151 | default "4" | |
152 | ||
153 | source kernel/Kconfig.preempt | |
154 | ||
155 | config HZ | |
156 | int | |
157 | default 100 | |
158 | ||
159 | config ARCH_HAS_HOLES_MEMORYMODEL | |
160 | def_bool y if SPARSEMEM | |
161 | ||
162 | config ARCH_SPARSEMEM_ENABLE | |
163 | def_bool y | |
164 | select SPARSEMEM_VMEMMAP_ENABLE | |
165 | ||
166 | config ARCH_SPARSEMEM_DEFAULT | |
167 | def_bool ARCH_SPARSEMEM_ENABLE | |
168 | ||
169 | config ARCH_SELECT_MEMORY_MODEL | |
170 | def_bool ARCH_SPARSEMEM_ENABLE | |
171 | ||
172 | config HAVE_ARCH_PFN_VALID | |
173 | def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM | |
174 | ||
175 | config HW_PERF_EVENTS | |
176 | bool "Enable hardware performance counter support for perf events" | |
177 | depends on PERF_EVENTS | |
178 | default y | |
179 | help | |
180 | Enable hardware performance counter support for perf events. If | |
181 | disabled, perf events will use software events only. | |
182 | ||
084bd298 SC |
183 | config SYS_SUPPORTS_HUGETLBFS |
184 | def_bool y | |
185 | ||
186 | config ARCH_WANT_GENERAL_HUGETLB | |
187 | def_bool y | |
188 | ||
189 | config ARCH_WANT_HUGE_PMD_SHARE | |
190 | def_bool y if !ARM64_64K_PAGES | |
191 | ||
8c2c3df3 CM |
192 | source "mm/Kconfig" |
193 | ||
194 | endmenu | |
195 | ||
196 | menu "Boot options" | |
197 | ||
198 | config CMDLINE | |
199 | string "Default kernel command string" | |
200 | default "" | |
201 | help | |
202 | Provide a set of default command-line options at build time by | |
203 | entering them here. As a minimum, you should specify the the | |
204 | root device (e.g. root=/dev/nfs). | |
205 | ||
206 | config CMDLINE_FORCE | |
207 | bool "Always use the default kernel command string" | |
208 | help | |
209 | Always use the default kernel command string, even if the boot | |
210 | loader passes other arguments to the kernel. | |
211 | This is useful if you cannot or don't want to change the | |
212 | command-line options your boot loader passes to the kernel. | |
213 | ||
214 | endmenu | |
215 | ||
216 | menu "Userspace binary formats" | |
217 | ||
218 | source "fs/Kconfig.binfmt" | |
219 | ||
220 | config COMPAT | |
221 | bool "Kernel support for 32-bit EL0" | |
222 | depends on !ARM64_64K_PAGES | |
223 | select COMPAT_BINFMT_ELF | |
af1839eb | 224 | select HAVE_UID16 |
84b9e9b4 | 225 | select OLD_SIGSUSPEND3 |
51682036 | 226 | select COMPAT_OLD_SIGACTION |
8c2c3df3 CM |
227 | help |
228 | This option enables support for a 32-bit EL0 running under a 64-bit | |
229 | kernel at EL1. AArch32-specific components such as system calls, | |
230 | the user helper functions, VFP support and the ptrace interface are | |
231 | handled appropriately by the kernel. | |
232 | ||
233 | If you want to execute 32-bit userspace applications, say Y. | |
234 | ||
235 | config SYSVIPC_COMPAT | |
236 | def_bool y | |
237 | depends on COMPAT && SYSVIPC | |
238 | ||
239 | endmenu | |
240 | ||
241 | source "net/Kconfig" | |
242 | ||
243 | source "drivers/Kconfig" | |
244 | ||
245 | source "fs/Kconfig" | |
246 | ||
247 | source "arch/arm64/Kconfig.debug" | |
248 | ||
249 | source "security/Kconfig" | |
250 | ||
251 | source "crypto/Kconfig" | |
252 | ||
253 | source "lib/Kconfig" |