2 # For a description of the syntax of this configuration file,
3 # see Documentation/kbuild/kconfig-language.txt.
9 select OF_EARLY_FLATTREE
12 select ARCH_WANT_OPTIONAL_GPIOLIB
13 select HAVE_ARCH_TRACEHOOK
14 select HAVE_GENERIC_HARDIRQS
16 select GENERIC_IRQ_CHIP
17 select GENERIC_IRQ_PROBE
18 select GENERIC_IRQ_SHOW
20 select GENERIC_CPU_DEVICES
21 select GENERIC_ATOMIC64
22 select GENERIC_CLOCKEVENTS
23 select GENERIC_STRNCPY_FROM_USER
24 select GENERIC_STRNLEN_USER
25 select MODULES_USE_ELF_RELA
36 config RWSEM_GENERIC_SPINLOCK
39 config RWSEM_XCHGADD_ALGORITHM
42 config GENERIC_HWEIGHT
51 config TRACE_IRQFLAGS_SUPPORT
54 # For now, use generic checksum functions
55 #These can be reimplemented in assembly later if so inclined
59 config GENERIC_FIND_NEXT_BIT
65 menu "Processor type and features"
68 prompt "Subarchitecture"
74 Generic OpenRISC 1200 architecture
78 config OPENRISC_BUILTIN_DTB
82 menu "Class II Instructions"
84 config OPENRISC_HAVE_INST_FF1
85 bool "Have instruction l.ff1"
88 Select this if your implementation has the Class II instruction l.ff1
90 config OPENRISC_HAVE_INST_FL1
91 bool "Have instruction l.fl1"
94 Select this if your implementation has the Class II instruction l.fl1
96 config OPENRISC_HAVE_INST_MUL
97 bool "Have instruction l.mul for hardware multiply"
100 Select this if your implementation has a hardware multiply instruction
102 config OPENRISC_HAVE_INST_DIV
103 bool "Have instruction l.div for hardware divide"
106 Select this if your implementation has a hardware divide instruction
110 source kernel/Kconfig.hz
111 source kernel/Kconfig.preempt
114 config OPENRISC_NO_SPR_SR_DSX
115 bool "use SPR_SR_DSX software emulation" if OR1K_1200
118 SPR_SR_DSX bit is status register bit indicating whether
119 the last exception has happened in delay slot.
121 OpenRISC architecture makes it optional to have it implemented
122 in hardware and the OR1200 does not have it.
124 Say N here if you know that your OpenRISC processor has
125 SPR_SR_DSX bit implemented. Say Y if you are unsure.
128 string "Default kernel command string"
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
136 menu "Debugging options"
138 config DEBUG_STACKOVERFLOW
139 bool "Check for kernel stack overflow"
142 Make extra checks for space available on stack in some
143 critical functions. This will cause kernel to run a bit slower,
144 but will catch most of kernel stack overruns and exit gracefully.
146 Say Y if you are unsure.
148 config JUMP_UPON_UNHANDLED_EXCEPTION
149 bool "Try to die gracefully"
152 Now this puts kernel into infinite loop after first oops. Till
153 your kernel crashes this doesn't have any influence.
155 Say Y if you are unsure.
157 config OPENRISC_ESR_EXCEPTION_BUG_CHECK
158 bool "Check for possible ESR exception bug"
161 This option enables some checks that might expose some problems
164 Say N if you are unsure.
170 menu "Executable file formats"
172 source "fs/Kconfig.binfmt"
178 source "drivers/Kconfig"
182 source "security/Kconfig"
184 source "crypto/Kconfig"
188 menu "Kernel hacking"
190 source "lib/Kconfig.debug"