Commit | Line | Data |
---|---|---|
f8c4a270 JB |
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 |
f8c4a270 JB |
11 | select HAVE_MEMBLOCK |
12 | select ARCH_WANT_OPTIONAL_GPIOLIB | |
13 | select HAVE_ARCH_TRACEHOOK | |
14 | select HAVE_GENERIC_HARDIRQS | |
4febd95a | 15 | select VIRT_TO_BUS |
f8c4a270 JB |
16 | select GENERIC_IRQ_CHIP |
17 | select GENERIC_IRQ_PROBE | |
18 | select GENERIC_IRQ_SHOW | |
19 | select GENERIC_IOMAP | |
9f13a1fd | 20 | select GENERIC_CPU_DEVICES |
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 |
f8c4a270 JB |
26 | |
27 | config MMU | |
28 | def_bool y | |
29 | ||
f8c4a270 JB |
30 | config HAVE_DMA_ATTRS |
31 | def_bool y | |
32 | ||
33 | config UID16 | |
34 | def_bool y | |
35 | ||
36 | config RWSEM_GENERIC_SPINLOCK | |
37 | def_bool y | |
38 | ||
39 | config RWSEM_XCHGADD_ALGORITHM | |
40 | def_bool n | |
41 | ||
42 | config GENERIC_HWEIGHT | |
43 | def_bool y | |
44 | ||
f8c4a270 JB |
45 | config NO_IOPORT |
46 | def_bool y | |
47 | ||
48 | config GENERIC_GPIO | |
49 | def_bool y | |
50 | ||
f8c4a270 JB |
51 | config TRACE_IRQFLAGS_SUPPORT |
52 | def_bool y | |
53 | ||
54 | # For now, use generic checksum functions | |
55 | #These can be reimplemented in assembly later if so inclined | |
56 | config GENERIC_CSUM | |
57 | def_bool y | |
58 | ||
59 | config GENERIC_FIND_NEXT_BIT | |
60 | def_bool y | |
61 | ||
62 | source "init/Kconfig" | |
63 | ||
64 | ||
65 | menu "Processor type and features" | |
66 | ||
67 | choice | |
68 | prompt "Subarchitecture" | |
69 | default OR1K_1200 | |
70 | ||
71 | config OR1K_1200 | |
72 | bool "OR1200" | |
73 | help | |
74 | Generic OpenRISC 1200 architecture | |
75 | ||
76 | endchoice | |
77 | ||
78 | config OPENRISC_BUILTIN_DTB | |
79 | string "Builtin DTB" | |
80 | default "" | |
81 | ||
82 | menu "Class II Instructions" | |
83 | ||
84 | config OPENRISC_HAVE_INST_FF1 | |
85 | bool "Have instruction l.ff1" | |
86 | default y | |
87 | help | |
88 | Select this if your implementation has the Class II instruction l.ff1 | |
89 | ||
90 | config OPENRISC_HAVE_INST_FL1 | |
91 | bool "Have instruction l.fl1" | |
92 | default y | |
93 | help | |
94 | Select this if your implementation has the Class II instruction l.fl1 | |
95 | ||
96 | config OPENRISC_HAVE_INST_MUL | |
97 | bool "Have instruction l.mul for hardware multiply" | |
98 | default y | |
99 | help | |
100 | Select this if your implementation has a hardware multiply instruction | |
101 | ||
102 | config OPENRISC_HAVE_INST_DIV | |
103 | bool "Have instruction l.div for hardware divide" | |
104 | default y | |
105 | help | |
106 | Select this if your implementation has a hardware divide instruction | |
107 | endmenu | |
108 | ||
109 | ||
f8c4a270 JB |
110 | source kernel/Kconfig.hz |
111 | source kernel/Kconfig.preempt | |
112 | source "mm/Kconfig" | |
113 | ||
114 | config OPENRISC_NO_SPR_SR_DSX | |
115 | bool "use SPR_SR_DSX software emulation" if OR1K_1200 | |
116 | default y | |
117 | help | |
118 | SPR_SR_DSX bit is status register bit indicating whether | |
119 | the last exception has happened in delay slot. | |
120 | ||
121 | OpenRISC architecture makes it optional to have it implemented | |
122 | in hardware and the OR1200 does not have it. | |
123 | ||
124 | Say N here if you know that your OpenRISC processor has | |
125 | SPR_SR_DSX bit implemented. Say Y if you are unsure. | |
126 | ||
127 | config CMDLINE | |
128 | string "Default kernel command string" | |
129 | default "" | |
130 | help | |
131 | On some architectures there is currently no way for the boot loader | |
132 | to pass arguments to the kernel. For these architectures, you should | |
133 | supply some command-line options at build time by entering them | |
134 | here. | |
135 | ||
136 | menu "Debugging options" | |
137 | ||
138 | config DEBUG_STACKOVERFLOW | |
139 | bool "Check for kernel stack overflow" | |
140 | default y | |
141 | help | |
6b2aac42 | 142 | Make extra checks for space available on stack in some |
f8c4a270 | 143 | critical functions. This will cause kernel to run a bit slower, |
e41e85cc | 144 | but will catch most of kernel stack overruns and exit gracefully. |
f8c4a270 JB |
145 | |
146 | Say Y if you are unsure. | |
147 | ||
148 | config JUMP_UPON_UNHANDLED_EXCEPTION | |
149 | bool "Try to die gracefully" | |
150 | default y | |
151 | help | |
152 | Now this puts kernel into infinite loop after first oops. Till | |
153 | your kernel crashes this doesn't have any influence. | |
154 | ||
155 | Say Y if you are unsure. | |
156 | ||
f8c4a270 JB |
157 | config OPENRISC_ESR_EXCEPTION_BUG_CHECK |
158 | bool "Check for possible ESR exception bug" | |
159 | default n | |
160 | help | |
161 | This option enables some checks that might expose some problems | |
162 | in kernel. | |
163 | ||
164 | Say N if you are unsure. | |
165 | ||
166 | endmenu | |
167 | ||
168 | endmenu | |
169 | ||
170 | menu "Executable file formats" | |
171 | ||
172 | source "fs/Kconfig.binfmt" | |
173 | ||
174 | endmenu | |
175 | ||
176 | source "net/Kconfig" | |
177 | ||
178 | source "drivers/Kconfig" | |
179 | ||
180 | source "fs/Kconfig" | |
181 | ||
182 | source "security/Kconfig" | |
183 | ||
184 | source "crypto/Kconfig" | |
185 | ||
186 | source "lib/Kconfig" | |
187 | ||
188 | menu "Kernel hacking" | |
189 | ||
190 | source "lib/Kconfig.debug" | |
191 | ||
192 | endmenu |