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Linux/arch/openrisc/Kconfig

  1 #
  2 # For a description of the syntax of this configuration file,
  3 # see Documentation/kbuild/kconfig-language.txt.
  4 #
  5 
  6 config OPENRISC
  7         def_bool y
  8         select OF
  9         select OF_EARLY_FLATTREE
 10         select IRQ_DOMAIN
 11         select HAVE_MEMBLOCK
 12         select ARCH_REQUIRE_GPIOLIB
 13         select HAVE_ARCH_TRACEHOOK
 14         select GENERIC_IRQ_CHIP
 15         select GENERIC_IRQ_PROBE
 16         select GENERIC_IRQ_SHOW
 17         select GENERIC_IOMAP
 18         select GENERIC_CPU_DEVICES
 19         select GENERIC_ATOMIC64
 20         select GENERIC_CLOCKEVENTS
 21         select GENERIC_STRNCPY_FROM_USER
 22         select GENERIC_STRNLEN_USER
 23         select MODULES_USE_ELF_RELA
 24         select HAVE_DEBUG_STACKOVERFLOW
 25 
 26 config MMU
 27         def_bool y
 28 
 29 config HAVE_DMA_ATTRS
 30         def_bool y
 31 
 32 config UID16
 33         def_bool y
 34 
 35 config RWSEM_GENERIC_SPINLOCK
 36         def_bool y
 37 
 38 config RWSEM_XCHGADD_ALGORITHM
 39         def_bool n
 40 
 41 config GENERIC_HWEIGHT
 42         def_bool y
 43 
 44 config NO_IOPORT_MAP
 45         def_bool y
 46 
 47 config TRACE_IRQFLAGS_SUPPORT
 48         def_bool y
 49 
 50 # For now, use generic checksum functions
 51 #These can be reimplemented in assembly later if so inclined
 52 config GENERIC_CSUM
 53         def_bool y
 54 
 55 source "init/Kconfig"
 56 
 57 source "kernel/Kconfig.freezer"
 58 
 59 menu "Processor type and features"
 60 
 61 choice
 62         prompt "Subarchitecture"
 63         default OR1K_1200
 64 
 65 config OR1K_1200
 66         bool "OR1200"
 67         help
 68           Generic OpenRISC 1200 architecture
 69 
 70 endchoice
 71 
 72 config OPENRISC_BUILTIN_DTB
 73         string "Builtin DTB"
 74         default ""
 75 
 76 menu "Class II Instructions"
 77 
 78 config OPENRISC_HAVE_INST_FF1
 79         bool "Have instruction l.ff1"
 80         default y
 81         help
 82           Select this if your implementation has the Class II instruction l.ff1
 83 
 84 config OPENRISC_HAVE_INST_FL1
 85         bool "Have instruction l.fl1"
 86         default y
 87         help
 88           Select this if your implementation has the Class II instruction l.fl1
 89 
 90 config OPENRISC_HAVE_INST_MUL
 91         bool "Have instruction l.mul for hardware multiply"
 92         default y
 93         help
 94           Select this if your implementation has a hardware multiply instruction
 95 
 96 config OPENRISC_HAVE_INST_DIV
 97         bool "Have instruction l.div for hardware divide"
 98         default y
 99         help
100           Select this if your implementation has a hardware divide instruction
101 endmenu
102 
103 
104 source kernel/Kconfig.hz
105 source kernel/Kconfig.preempt
106 source "mm/Kconfig"
107 
108 config OPENRISC_NO_SPR_SR_DSX
109         bool "use SPR_SR_DSX software emulation" if OR1K_1200
110         default y
111         help
112           SPR_SR_DSX bit is status register bit indicating whether
113           the last exception has happened in delay slot.
114 
115           OpenRISC architecture makes it optional to have it implemented
116           in hardware and the OR1200 does not have it.
117 
118           Say N here if you know that your OpenRISC processor has
119           SPR_SR_DSX bit implemented. Say Y if you are unsure.
120 
121 config CMDLINE
122         string "Default kernel command string"
123         default ""
124         help
125           On some architectures there is currently no way for the boot loader
126           to pass arguments to the kernel. For these architectures, you should
127           supply some command-line options at build time by entering them
128           here.
129 
130 menu "Debugging options"
131 
132 config JUMP_UPON_UNHANDLED_EXCEPTION
133         bool "Try to die gracefully"
134         default y
135         help
136           Now this puts kernel into infinite loop after first oops. Till
137           your kernel crashes this doesn't have any influence.
138 
139           Say Y if you are unsure.
140 
141 config OPENRISC_ESR_EXCEPTION_BUG_CHECK
142         bool "Check for possible ESR exception bug"
143         default n
144         help
145           This option enables some checks that might expose some problems
146           in kernel.
147 
148           Say N if you are unsure.
149 
150 endmenu
151 
152 endmenu
153 
154 menu "Executable file formats"
155 
156 source "fs/Kconfig.binfmt"
157 
158 endmenu
159 
160 source "net/Kconfig"
161 
162 source "drivers/Kconfig"
163 
164 source "fs/Kconfig"
165 
166 source "security/Kconfig"
167 
168 source "crypto/Kconfig"
169 
170 source "lib/Kconfig"
171 
172 menu "Kernel hacking"
173 
174 source "lib/Kconfig.debug"
175 
176 endmenu

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