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_REQUIRE_GPIOLIB
13 select HAVE_ARCH_TRACEHOOK
14 select HAVE_GENERIC_HARDIRQS
15 select GENERIC_IRQ_CHIP
16 select GENERIC_IRQ_PROBE
17 select GENERIC_IRQ_SHOW
19 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
33 config RWSEM_GENERIC_SPINLOCK
36 config RWSEM_XCHGADD_ALGORITHM
39 config GENERIC_HWEIGHT
45 config TRACE_IRQFLAGS_SUPPORT
48 # For now, use generic checksum functions
49 #These can be reimplemented in assembly later if so inclined
56 menu "Processor type and features"
59 prompt "Subarchitecture"
65 Generic OpenRISC 1200 architecture
69 config OPENRISC_BUILTIN_DTB
73 menu "Class II Instructions"
75 config OPENRISC_HAVE_INST_FF1
76 bool "Have instruction l.ff1"
79 Select this if your implementation has the Class II instruction l.ff1
81 config OPENRISC_HAVE_INST_FL1
82 bool "Have instruction l.fl1"
85 Select this if your implementation has the Class II instruction l.fl1
87 config OPENRISC_HAVE_INST_MUL
88 bool "Have instruction l.mul for hardware multiply"
91 Select this if your implementation has a hardware multiply instruction
93 config OPENRISC_HAVE_INST_DIV
94 bool "Have instruction l.div for hardware divide"
97 Select this if your implementation has a hardware divide instruction
101 source kernel/Kconfig.hz
102 source kernel/Kconfig.preempt
105 config OPENRISC_NO_SPR_SR_DSX
106 bool "use SPR_SR_DSX software emulation" if OR1K_1200
109 SPR_SR_DSX bit is status register bit indicating whether
110 the last exception has happened in delay slot.
112 OpenRISC architecture makes it optional to have it implemented
113 in hardware and the OR1200 does not have it.
115 Say N here if you know that your OpenRISC processor has
116 SPR_SR_DSX bit implemented. Say Y if you are unsure.
119 string "Default kernel command string"
122 On some architectures there is currently no way for the boot loader
123 to pass arguments to the kernel. For these architectures, you should
124 supply some command-line options at build time by entering them
127 menu "Debugging options"
129 config DEBUG_STACKOVERFLOW
130 bool "Check for kernel stack overflow"
133 Make extra checks for space available on stack in some
134 critical functions. This will cause kernel to run a bit slower,
135 but will catch most of kernel stack overruns and exit gracefully.
137 Say Y if you are unsure.
139 config JUMP_UPON_UNHANDLED_EXCEPTION
140 bool "Try to die gracefully"
143 Now this puts kernel into infinite loop after first oops. Till
144 your kernel crashes this doesn't have any influence.
146 Say Y if you are unsure.
148 config OPENRISC_ESR_EXCEPTION_BUG_CHECK
149 bool "Check for possible ESR exception bug"
152 This option enables some checks that might expose some problems
155 Say N if you are unsure.
161 menu "Executable file formats"
163 source "fs/Kconfig.binfmt"
169 source "drivers/Kconfig"
173 source "security/Kconfig"
175 source "crypto/Kconfig"
179 menu "Kernel hacking"
181 source "lib/Kconfig.debug"