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1 | # |
2 | # For a description of the syntax of this configuration file, | |
395cf969 | 3 | # see Documentation/kbuild/kconfig-language.txt. |
f8c4a270 JB |
4 | # |
5 | ||
6 | config OPENRISC | |
7 | def_bool y | |
8 | select OF | |
9 | select OF_EARLY_FLATTREE | |
b4c4c6ee | 10 | select IRQ_DOMAIN |
d1f6f28f | 11 | select HANDLE_DOMAIN_IRQ |
f8c4a270 | 12 | select HAVE_MEMBLOCK |
d4cb776f | 13 | select ARCH_REQUIRE_GPIOLIB |
f8c4a270 | 14 | select HAVE_ARCH_TRACEHOOK |
f8c4a270 JB |
15 | select GENERIC_IRQ_CHIP |
16 | select GENERIC_IRQ_PROBE | |
17 | select GENERIC_IRQ_SHOW | |
18 | select GENERIC_IOMAP | |
9f13a1fd | 19 | select GENERIC_CPU_DEVICES |
04ea1e91 | 20 | select HAVE_UID16 |
0662d33a | 21 | select GENERIC_ATOMIC64 |
5bf8f6bf | 22 | select GENERIC_CLOCKEVENTS |
603d6637 | 23 | select GENERIC_STRNCPY_FROM_USER |
b48b2c3e | 24 | select GENERIC_STRNLEN_USER |
786d35d4 | 25 | select MODULES_USE_ELF_RELA |
d1a1dc0b | 26 | select HAVE_DEBUG_STACKOVERFLOW |
4db8e6d2 | 27 | select OR1K_PIC |
fff7fb0b | 28 | select CPU_NO_EFFICIENT_FFS if !OPENRISC_HAVE_INST_FF1 |
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29 | |
30 | config MMU | |
31 | def_bool y | |
32 | ||
f8c4a270 JB |
33 | config RWSEM_GENERIC_SPINLOCK |
34 | def_bool y | |
35 | ||
36 | config RWSEM_XCHGADD_ALGORITHM | |
37 | def_bool n | |
38 | ||
39 | config GENERIC_HWEIGHT | |
40 | def_bool y | |
41 | ||
ce816fa8 | 42 | config NO_IOPORT_MAP |
f8c4a270 JB |
43 | def_bool y |
44 | ||
f8c4a270 JB |
45 | config TRACE_IRQFLAGS_SUPPORT |
46 | def_bool y | |
47 | ||
48 | # For now, use generic checksum functions | |
49 | #These can be reimplemented in assembly later if so inclined | |
50 | config GENERIC_CSUM | |
51 | def_bool y | |
52 | ||
f8c4a270 JB |
53 | source "init/Kconfig" |
54 | ||
57a1a197 | 55 | source "kernel/Kconfig.freezer" |
f8c4a270 JB |
56 | |
57 | menu "Processor type and features" | |
58 | ||
59 | choice | |
60 | prompt "Subarchitecture" | |
61 | default OR1K_1200 | |
62 | ||
63 | config OR1K_1200 | |
64 | bool "OR1200" | |
65 | help | |
66 | Generic OpenRISC 1200 architecture | |
67 | ||
68 | endchoice | |
69 | ||
70 | config OPENRISC_BUILTIN_DTB | |
71 | string "Builtin DTB" | |
72 | default "" | |
73 | ||
74 | menu "Class II Instructions" | |
75 | ||
76 | config OPENRISC_HAVE_INST_FF1 | |
77 | bool "Have instruction l.ff1" | |
78 | default y | |
79 | help | |
80 | Select this if your implementation has the Class II instruction l.ff1 | |
81 | ||
82 | config OPENRISC_HAVE_INST_FL1 | |
83 | bool "Have instruction l.fl1" | |
84 | default y | |
85 | help | |
86 | Select this if your implementation has the Class II instruction l.fl1 | |
87 | ||
88 | config OPENRISC_HAVE_INST_MUL | |
89 | bool "Have instruction l.mul for hardware multiply" | |
90 | default y | |
91 | help | |
92 | Select this if your implementation has a hardware multiply instruction | |
93 | ||
94 | config OPENRISC_HAVE_INST_DIV | |
95 | bool "Have instruction l.div for hardware divide" | |
96 | default y | |
97 | help | |
98 | Select this if your implementation has a hardware divide instruction | |
99 | endmenu | |
100 | ||
101 | ||
f8c4a270 JB |
102 | source kernel/Kconfig.hz |
103 | source kernel/Kconfig.preempt | |
104 | source "mm/Kconfig" | |
105 | ||
106 | config OPENRISC_NO_SPR_SR_DSX | |
107 | bool "use SPR_SR_DSX software emulation" if OR1K_1200 | |
108 | default y | |
109 | help | |
110 | SPR_SR_DSX bit is status register bit indicating whether | |
111 | the last exception has happened in delay slot. | |
112 | ||
113 | OpenRISC architecture makes it optional to have it implemented | |
114 | in hardware and the OR1200 does not have it. | |
115 | ||
116 | Say N here if you know that your OpenRISC processor has | |
117 | SPR_SR_DSX bit implemented. Say Y if you are unsure. | |
118 | ||
119 | config CMDLINE | |
120 | string "Default kernel command string" | |
121 | default "" | |
122 | help | |
123 | On some architectures there is currently no way for the boot loader | |
124 | to pass arguments to the kernel. For these architectures, you should | |
125 | supply some command-line options at build time by entering them | |
126 | here. | |
127 | ||
128 | menu "Debugging options" | |
129 | ||
f8c4a270 JB |
130 | config JUMP_UPON_UNHANDLED_EXCEPTION |
131 | bool "Try to die gracefully" | |
132 | default y | |
133 | help | |
134 | Now this puts kernel into infinite loop after first oops. Till | |
135 | your kernel crashes this doesn't have any influence. | |
136 | ||
137 | Say Y if you are unsure. | |
138 | ||
f8c4a270 JB |
139 | config OPENRISC_ESR_EXCEPTION_BUG_CHECK |
140 | bool "Check for possible ESR exception bug" | |
141 | default n | |
142 | help | |
143 | This option enables some checks that might expose some problems | |
144 | in kernel. | |
145 | ||
146 | Say N if you are unsure. | |
147 | ||
148 | endmenu | |
149 | ||
150 | endmenu | |
151 | ||
152 | menu "Executable file formats" | |
153 | ||
154 | source "fs/Kconfig.binfmt" | |
155 | ||
156 | endmenu | |
157 | ||
158 | source "net/Kconfig" | |
159 | ||
160 | source "drivers/Kconfig" | |
161 | ||
162 | source "fs/Kconfig" | |
163 | ||
164 | source "security/Kconfig" | |
165 | ||
166 | source "crypto/Kconfig" | |
167 | ||
168 | source "lib/Kconfig" | |
169 | ||
170 | menu "Kernel hacking" | |
171 | ||
172 | source "lib/Kconfig.debug" | |
173 | ||
174 | endmenu |