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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 HANDLE_DOMAIN_IRQ
 12         select HAVE_MEMBLOCK
 13         select ARCH_REQUIRE_GPIOLIB
 14         select HAVE_ARCH_TRACEHOOK
 15         select GENERIC_IRQ_CHIP
 16         select GENERIC_IRQ_PROBE
 17         select GENERIC_IRQ_SHOW
 18         select GENERIC_IOMAP
 19         select GENERIC_CPU_DEVICES
 20         select HAVE_UID16
 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
 27         select OR1K_PIC
 28 
 29 config MMU
 30         def_bool y
 31 
 32 config RWSEM_GENERIC_SPINLOCK
 33         def_bool y
 34 
 35 config RWSEM_XCHGADD_ALGORITHM
 36         def_bool n
 37 
 38 config GENERIC_HWEIGHT
 39         def_bool y
 40 
 41 config NO_IOPORT_MAP
 42         def_bool y
 43 
 44 config TRACE_IRQFLAGS_SUPPORT
 45         def_bool y
 46 
 47 # For now, use generic checksum functions
 48 #These can be reimplemented in assembly later if so inclined
 49 config GENERIC_CSUM
 50         def_bool y
 51 
 52 source "init/Kconfig"
 53 
 54 source "kernel/Kconfig.freezer"
 55 
 56 menu "Processor type and features"
 57 
 58 choice
 59         prompt "Subarchitecture"
 60         default OR1K_1200
 61 
 62 config OR1K_1200
 63         bool "OR1200"
 64         help
 65           Generic OpenRISC 1200 architecture
 66 
 67 endchoice
 68 
 69 config OPENRISC_BUILTIN_DTB
 70         string "Builtin DTB"
 71         default ""
 72 
 73 menu "Class II Instructions"
 74 
 75 config OPENRISC_HAVE_INST_FF1
 76         bool "Have instruction l.ff1"
 77         default y
 78         help
 79           Select this if your implementation has the Class II instruction l.ff1
 80 
 81 config OPENRISC_HAVE_INST_FL1
 82         bool "Have instruction l.fl1"
 83         default y
 84         help
 85           Select this if your implementation has the Class II instruction l.fl1
 86 
 87 config OPENRISC_HAVE_INST_MUL
 88         bool "Have instruction l.mul for hardware multiply"
 89         default y
 90         help
 91           Select this if your implementation has a hardware multiply instruction
 92 
 93 config OPENRISC_HAVE_INST_DIV
 94         bool "Have instruction l.div for hardware divide"
 95         default y
 96         help
 97           Select this if your implementation has a hardware divide instruction
 98 endmenu
 99 
100 
101 source kernel/Kconfig.hz
102 source kernel/Kconfig.preempt
103 source "mm/Kconfig"
104 
105 config OPENRISC_NO_SPR_SR_DSX
106         bool "use SPR_SR_DSX software emulation" if OR1K_1200
107         default y
108         help
109           SPR_SR_DSX bit is status register bit indicating whether
110           the last exception has happened in delay slot.
111 
112           OpenRISC architecture makes it optional to have it implemented
113           in hardware and the OR1200 does not have it.
114 
115           Say N here if you know that your OpenRISC processor has
116           SPR_SR_DSX bit implemented. Say Y if you are unsure.
117 
118 config CMDLINE
119         string "Default kernel command string"
120         default ""
121         help
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
125           here.
126 
127 menu "Debugging options"
128 
129 config JUMP_UPON_UNHANDLED_EXCEPTION
130         bool "Try to die gracefully"
131         default y
132         help
133           Now this puts kernel into infinite loop after first oops. Till
134           your kernel crashes this doesn't have any influence.
135 
136           Say Y if you are unsure.
137 
138 config OPENRISC_ESR_EXCEPTION_BUG_CHECK
139         bool "Check for possible ESR exception bug"
140         default n
141         help
142           This option enables some checks that might expose some problems
143           in kernel.
144 
145           Say N if you are unsure.
146 
147 endmenu
148 
149 endmenu
150 
151 menu "Executable file formats"
152 
153 source "fs/Kconfig.binfmt"
154 
155 endmenu
156 
157 source "net/Kconfig"
158 
159 source "drivers/Kconfig"
160 
161 source "fs/Kconfig"
162 
163 source "security/Kconfig"
164 
165 source "crypto/Kconfig"
166 
167 source "lib/Kconfig"
168 
169 menu "Kernel hacking"
170 
171 source "lib/Kconfig.debug"
172 
173 endmenu

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