2 # For a description of the syntax of this configuration file,
3 # see Documentation/kbuild/kconfig-language.txt.
9 select OF_EARLY_FLATTREE
11 select HANDLE_DOMAIN_IRQ
14 select HAVE_ARCH_TRACEHOOK
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
26 select HAVE_DEBUG_STACKOVERFLOW
28 select CPU_NO_EFFICIENT_FFS if !OPENRISC_HAVE_INST_FF1
34 config RWSEM_GENERIC_SPINLOCK
37 config RWSEM_XCHGADD_ALGORITHM
40 config GENERIC_HWEIGHT
46 config TRACE_IRQFLAGS_SUPPORT
49 # For now, use generic checksum functions
50 #These can be reimplemented in assembly later if so inclined
56 source "kernel/Kconfig.freezer"
58 menu "Processor type and features"
61 prompt "Subarchitecture"
67 Generic OpenRISC 1200 architecture
71 config OPENRISC_BUILTIN_DTB
75 menu "Class II Instructions"
77 config OPENRISC_HAVE_INST_FF1
78 bool "Have instruction l.ff1"
81 Select this if your implementation has the Class II instruction l.ff1
83 config OPENRISC_HAVE_INST_FL1
84 bool "Have instruction l.fl1"
87 Select this if your implementation has the Class II instruction l.fl1
89 config OPENRISC_HAVE_INST_MUL
90 bool "Have instruction l.mul for hardware multiply"
93 Select this if your implementation has a hardware multiply instruction
95 config OPENRISC_HAVE_INST_DIV
96 bool "Have instruction l.div for hardware divide"
99 Select this if your implementation has a hardware divide instruction
106 source kernel/Kconfig.hz
107 source kernel/Kconfig.preempt
110 config OPENRISC_NO_SPR_SR_DSX
111 bool "use SPR_SR_DSX software emulation" if OR1K_1200
114 SPR_SR_DSX bit is status register bit indicating whether
115 the last exception has happened in delay slot.
117 OpenRISC architecture makes it optional to have it implemented
118 in hardware and the OR1200 does not have it.
120 Say N here if you know that your OpenRISC processor has
121 SPR_SR_DSX bit implemented. Say Y if you are unsure.
124 string "Default kernel command string"
127 On some architectures there is currently no way for the boot loader
128 to pass arguments to the kernel. For these architectures, you should
129 supply some command-line options at build time by entering them
132 menu "Debugging options"
134 config JUMP_UPON_UNHANDLED_EXCEPTION
135 bool "Try to die gracefully"
138 Now this puts kernel into infinite loop after first oops. Till
139 your kernel crashes this doesn't have any influence.
141 Say Y if you are unsure.
143 config OPENRISC_ESR_EXCEPTION_BUG_CHECK
144 bool "Check for possible ESR exception bug"
147 This option enables some checks that might expose some problems
150 Say N if you are unsure.
156 menu "Executable file formats"
158 source "fs/Kconfig.binfmt"
164 source "drivers/Kconfig"
168 source "security/Kconfig"
170 source "crypto/Kconfig"
174 menu "Kernel hacking"
176 source "lib/Kconfig.debug"