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Commit | Line | Data |
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8c2c3df3 CM |
1 | config ARM64 |
2 | def_bool y | |
3 | select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE | |
6212a512 | 4 | select ARCH_WANT_COMPAT_IPC_PARSE_VERSION |
7ca2ef33 | 5 | select COMMON_CLK |
8c2c3df3 CM |
6 | select GENERIC_CLOCKEVENTS |
7 | select GENERIC_HARDIRQS_NO_DEPRECATED | |
8 | select GENERIC_IOMAP | |
9 | select GENERIC_IRQ_PROBE | |
10 | select GENERIC_IRQ_SHOW | |
59dc67b0 | 11 | select GENERIC_KERNEL_EXECVE |
c34501d2 | 12 | select GENERIC_KERNEL_THREAD |
8c2c3df3 CM |
13 | select GENERIC_SMP_IDLE_THREAD |
14 | select GENERIC_TIME_VSYSCALL | |
15 | select HARDIRQS_SW_RESEND | |
16 | select HAVE_ARCH_TRACEHOOK | |
9b2a60c4 | 17 | select HAVE_DEBUG_BUGVERBOSE |
b69ec42b | 18 | select HAVE_DEBUG_KMEMLEAK |
8c2c3df3 CM |
19 | select HAVE_DMA_API_DEBUG |
20 | select HAVE_DMA_ATTRS | |
21 | select HAVE_GENERIC_DMA_COHERENT | |
22 | select HAVE_GENERIC_HARDIRQS | |
23 | select HAVE_HW_BREAKPOINT if PERF_EVENTS | |
24 | select HAVE_IRQ_WORK | |
25 | select HAVE_MEMBLOCK | |
26 | select HAVE_PERF_EVENTS | |
8c2c3df3 | 27 | select IRQ_DOMAIN |
fea2acaa | 28 | select MODULES_USE_ELF_RELA |
8c2c3df3 CM |
29 | select NO_BOOTMEM |
30 | select OF | |
31 | select OF_EARLY_FLATTREE | |
32 | select PERF_USE_VMALLOC | |
33 | select RTC_LIB | |
34 | select SPARSE_IRQ | |
7ac57a89 | 35 | select SYSCTL_EXCEPTION_TRACE |
9ac08002 | 36 | select CLONE_BACKWARDS |
8c2c3df3 CM |
37 | help |
38 | ARM 64-bit (AArch64) Linux support. | |
39 | ||
40 | config 64BIT | |
41 | def_bool y | |
42 | ||
43 | config ARCH_PHYS_ADDR_T_64BIT | |
44 | def_bool y | |
45 | ||
46 | config MMU | |
47 | def_bool y | |
48 | ||
49 | config NO_IOPORT | |
50 | def_bool y | |
51 | ||
52 | config STACKTRACE_SUPPORT | |
53 | def_bool y | |
54 | ||
55 | config LOCKDEP_SUPPORT | |
56 | def_bool y | |
57 | ||
58 | config TRACE_IRQFLAGS_SUPPORT | |
59 | def_bool y | |
60 | ||
61 | config GENERIC_LOCKBREAK | |
62 | def_bool y | |
63 | depends on SMP && PREEMPT | |
64 | ||
65 | config RWSEM_GENERIC_SPINLOCK | |
66 | def_bool y | |
67 | ||
68 | config GENERIC_HWEIGHT | |
69 | def_bool y | |
70 | ||
71 | config GENERIC_CSUM | |
72 | def_bool y | |
73 | ||
74 | config GENERIC_CALIBRATE_DELAY | |
75 | def_bool y | |
76 | ||
77 | config ZONE_DMA32 | |
78 | def_bool y | |
79 | ||
80 | config ARCH_DMA_ADDR_T_64BIT | |
81 | def_bool y | |
82 | ||
83 | config NEED_DMA_MAP_STATE | |
84 | def_bool y | |
85 | ||
86 | config NEED_SG_DMA_LENGTH | |
87 | def_bool y | |
88 | ||
89 | config SWIOTLB | |
90 | def_bool y | |
91 | ||
92 | config IOMMU_HELPER | |
93 | def_bool SWIOTLB | |
94 | ||
95 | source "init/Kconfig" | |
96 | ||
97 | source "kernel/Kconfig.freezer" | |
98 | ||
99 | menu "System Type" | |
100 | ||
101 | endmenu | |
102 | ||
103 | menu "Bus support" | |
104 | ||
105 | config ARM_AMBA | |
106 | bool | |
107 | ||
108 | endmenu | |
109 | ||
110 | menu "Kernel Features" | |
111 | ||
112 | source "kernel/time/Kconfig" | |
113 | ||
114 | config ARM64_64K_PAGES | |
115 | bool "Enable 64KB pages support" | |
116 | help | |
117 | This feature enables 64KB pages support (4KB by default) | |
118 | allowing only two levels of page tables and faster TLB | |
119 | look-up. AArch32 emulation is not available when this feature | |
120 | is enabled. | |
121 | ||
122 | config SMP | |
123 | bool "Symmetric Multi-Processing" | |
124 | select USE_GENERIC_SMP_HELPERS | |
125 | help | |
126 | This enables support for systems with more than one CPU. If | |
127 | you say N here, the kernel will run on single and | |
128 | multiprocessor machines, but will use only one CPU of a | |
129 | multiprocessor machine. If you say Y here, the kernel will run | |
130 | on many, but not all, single processor machines. On a single | |
131 | processor machine, the kernel will run faster if you say N | |
132 | here. | |
133 | ||
134 | If you don't know what to do here, say N. | |
135 | ||
136 | config NR_CPUS | |
137 | int "Maximum number of CPUs (2-32)" | |
138 | range 2 32 | |
139 | depends on SMP | |
140 | default "4" | |
141 | ||
142 | source kernel/Kconfig.preempt | |
143 | ||
144 | config HZ | |
145 | int | |
146 | default 100 | |
147 | ||
148 | config ARCH_HAS_HOLES_MEMORYMODEL | |
149 | def_bool y if SPARSEMEM | |
150 | ||
151 | config ARCH_SPARSEMEM_ENABLE | |
152 | def_bool y | |
153 | select SPARSEMEM_VMEMMAP_ENABLE | |
154 | ||
155 | config ARCH_SPARSEMEM_DEFAULT | |
156 | def_bool ARCH_SPARSEMEM_ENABLE | |
157 | ||
158 | config ARCH_SELECT_MEMORY_MODEL | |
159 | def_bool ARCH_SPARSEMEM_ENABLE | |
160 | ||
161 | config HAVE_ARCH_PFN_VALID | |
162 | def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM | |
163 | ||
164 | config HW_PERF_EVENTS | |
165 | bool "Enable hardware performance counter support for perf events" | |
166 | depends on PERF_EVENTS | |
167 | default y | |
168 | help | |
169 | Enable hardware performance counter support for perf events. If | |
170 | disabled, perf events will use software events only. | |
171 | ||
172 | source "mm/Kconfig" | |
173 | ||
174 | endmenu | |
175 | ||
176 | menu "Boot options" | |
177 | ||
178 | config CMDLINE | |
179 | string "Default kernel command string" | |
180 | default "" | |
181 | help | |
182 | Provide a set of default command-line options at build time by | |
183 | entering them here. As a minimum, you should specify the the | |
184 | root device (e.g. root=/dev/nfs). | |
185 | ||
186 | config CMDLINE_FORCE | |
187 | bool "Always use the default kernel command string" | |
188 | help | |
189 | Always use the default kernel command string, even if the boot | |
190 | loader passes other arguments to the kernel. | |
191 | This is useful if you cannot or don't want to change the | |
192 | command-line options your boot loader passes to the kernel. | |
193 | ||
194 | endmenu | |
195 | ||
196 | menu "Userspace binary formats" | |
197 | ||
198 | source "fs/Kconfig.binfmt" | |
199 | ||
200 | config COMPAT | |
201 | bool "Kernel support for 32-bit EL0" | |
202 | depends on !ARM64_64K_PAGES | |
203 | select COMPAT_BINFMT_ELF | |
af1839eb | 204 | select HAVE_UID16 |
8c2c3df3 CM |
205 | help |
206 | This option enables support for a 32-bit EL0 running under a 64-bit | |
207 | kernel at EL1. AArch32-specific components such as system calls, | |
208 | the user helper functions, VFP support and the ptrace interface are | |
209 | handled appropriately by the kernel. | |
210 | ||
211 | If you want to execute 32-bit userspace applications, say Y. | |
212 | ||
213 | config SYSVIPC_COMPAT | |
214 | def_bool y | |
215 | depends on COMPAT && SYSVIPC | |
216 | ||
217 | endmenu | |
218 | ||
219 | source "net/Kconfig" | |
220 | ||
221 | source "drivers/Kconfig" | |
222 | ||
223 | source "fs/Kconfig" | |
224 | ||
225 | source "arch/arm64/Kconfig.debug" | |
226 | ||
227 | source "security/Kconfig" | |
228 | ||
229 | source "crypto/Kconfig" | |
230 | ||
231 | source "lib/Kconfig" |