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Linux/arch/parisc/Kconfig

  1 config PARISC
  2         def_bool y
  3         select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
  4         select ARCH_MIGHT_HAVE_PC_PARPORT
  5         select HAVE_IDE
  6         select HAVE_OPROFILE
  7         select HAVE_FUNCTION_TRACER if 64BIT
  8         select HAVE_FUNCTION_GRAPH_TRACER if 64BIT
  9         select HAVE_FUNCTION_TRACE_MCOUNT_TEST if 64BIT
 10         select ARCH_WANT_FRAME_POINTERS
 11         select RTC_CLASS
 12         select RTC_DRV_GENERIC
 13         select INIT_ALL_POSSIBLE
 14         select BUG
 15         select HAVE_PERF_EVENTS
 16         select GENERIC_ATOMIC64 if !64BIT
 17         select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
 18         select BROKEN_RODATA
 19         select GENERIC_IRQ_PROBE
 20         select GENERIC_PCI_IOMAP
 21         select ARCH_HAVE_NMI_SAFE_CMPXCHG
 22         select GENERIC_SMP_IDLE_THREAD
 23         select GENERIC_STRNCPY_FROM_USER
 24         select SYSCTL_ARCH_UNALIGN_ALLOW
 25         select HAVE_MOD_ARCH_SPECIFIC
 26         select VIRT_TO_BUS
 27         select MODULES_USE_ELF_RELA
 28         select CLONE_BACKWARDS
 29         select TTY # Needed for pdc_cons.c
 30         select HAVE_DEBUG_STACKOVERFLOW
 31 
 32         help
 33           The PA-RISC microprocessor is designed by Hewlett-Packard and used
 34           in many of their workstations & servers (HP9000 700 and 800 series,
 35           and later HP3000 series).  The PA-RISC Linux project home page is
 36           at <http://www.parisc-linux.org/>.
 37 
 38 config MMU
 39         def_bool y
 40 
 41 config STACK_GROWSUP
 42         def_bool y
 43 
 44 config GENERIC_LOCKBREAK
 45         bool
 46         default y
 47         depends on SMP && PREEMPT
 48 
 49 config RWSEM_GENERIC_SPINLOCK
 50         def_bool y
 51 
 52 config RWSEM_XCHGADD_ALGORITHM
 53         bool
 54 
 55 config ARCH_HAS_ILOG2_U32
 56         bool
 57         default n
 58 
 59 config ARCH_HAS_ILOG2_U64
 60         bool
 61         default n
 62 
 63 config GENERIC_BUG
 64         bool
 65         default y
 66         depends on BUG
 67 
 68 config GENERIC_HWEIGHT
 69         bool
 70         default y
 71 
 72 config GENERIC_CALIBRATE_DELAY
 73         bool
 74         default y
 75 
 76 config TIME_LOW_RES
 77         bool
 78         depends on SMP
 79         default y
 80 
 81 config HAVE_LATENCYTOP_SUPPORT
 82         def_bool y
 83 
 84 # unless you want to implement ACPI on PA-RISC ... ;-)
 85 config PM
 86         bool
 87 
 88 config STACKTRACE_SUPPORT
 89         def_bool y
 90 
 91 config NEED_DMA_MAP_STATE
 92         def_bool y
 93 
 94 config NEED_SG_DMA_LENGTH
 95         def_bool y
 96 
 97 config ISA_DMA_API
 98         bool
 99 
100 config ARCH_MAY_HAVE_PC_FDC
101         bool
102         depends on BROKEN
103         default y
104 
105 source "init/Kconfig"
106 
107 source "kernel/Kconfig.freezer"
108 
109 
110 menu "Processor type and features"
111 
112 choice
113         prompt "Processor type"
114         default PA7000
115 
116 config PA7000
117         bool "PA7000/PA7100"
118         ---help---
119           This is the processor type of your CPU.  This information is
120           used for optimizing purposes.  In order to compile a kernel
121           that can run on all 32-bit PA CPUs (albeit not optimally fast),
122           you can specify "PA7000" here.
123 
124           Specifying "PA8000" here will allow you to select a 64-bit kernel
125           which is required on some machines.
126 
127 config PA7100LC
128         bool "PA7100LC"
129         help
130           Select this option for the PCX-L processor, as used in the
131           712, 715/64, 715/80, 715/100, 715/100XC, 725/100, 743, 748,
132           D200, D210, D300, D310 and E-class
133 
134 config PA7200
135         bool "PA7200"
136         help
137           Select this option for the PCX-T' processor, as used in the
138           C100, C110, J100, J110, J210XC, D250, D260, D350, D360,
139           K100, K200, K210, K220, K400, K410 and K420
140 
141 config PA7300LC
142         bool "PA7300LC"
143         help
144           Select this option for the PCX-L2 processor, as used in the
145           744, A180, B132L, B160L, B180L, C132L, C160L, C180L,
146           D220, D230, D320 and D330.
147 
148 config PA8X00
149         bool "PA8000 and up"
150         help
151           Select this option for PCX-U to PCX-W2 processors.
152 
153 endchoice
154 
155 # Define implied options from the CPU selection here
156 
157 config PA20
158         def_bool y
159         depends on PA8X00
160 
161 config PA11
162         def_bool y
163         depends on PA7000 || PA7100LC || PA7200 || PA7300LC
164 
165 config PREFETCH
166         def_bool y
167         depends on PA8X00 || PA7200
168 
169 config MLONGCALLS
170         bool "Enable the -mlong-calls compiler option for big kernels"
171         def_bool y if (!MODULES)
172         depends on PA8X00
173         help
174           If you configure the kernel to include many drivers built-in instead
175           as modules, the kernel executable may become too big, so that the
176           linker will not be able to resolve some long branches and fails to link
177           your vmlinux kernel. In that case enabling this option will help you
178           to overcome this limit by using the -mlong-calls compiler option.
179 
180           Usually you want to say N here, unless you e.g. want to build
181           a kernel which includes all necessary drivers built-in and which can
182           be used for TFTP booting without the need to have an initrd ramdisk.
183 
184           Enabling this option will probably slow down your kernel.
185 
186 config 64BIT
187         bool "64-bit kernel"
188         depends on PA8X00
189         help
190           Enable this if you want to support 64bit kernel on PA-RISC platform.
191 
192           At the moment, only people willing to use more than 2GB of RAM,
193           or having a 64bit-only capable PA-RISC machine should say Y here.
194 
195           Since there is no 64bit userland on PA-RISC, there is no point to
196           enable this option otherwise. The 64bit kernel is significantly bigger
197           and slower than the 32bit one.
198 
199 choice
200         prompt "Kernel page size"
201         default PARISC_PAGE_SIZE_4KB
202 
203 config PARISC_PAGE_SIZE_4KB
204         bool "4KB"
205         help
206           This lets you select the page size of the kernel.  For best
207           performance, a page size of 16KB is recommended.  For best
208           compatibility with 32bit applications, a page size of 4KB should be
209           selected (the vast majority of 32bit binaries work perfectly fine
210           with a larger page size).
211 
212           4KB                For best 32bit compatibility
213           16KB               For best performance
214           64KB               For best performance, might give more overhead.
215 
216           If you don't know what to do, choose 4KB.
217 
218 config PARISC_PAGE_SIZE_16KB
219         bool "16KB"
220         depends on PA8X00
221 
222 config PARISC_PAGE_SIZE_64KB
223         bool "64KB"
224         depends on PA8X00
225 
226 endchoice
227 
228 config SMP
229         bool "Symmetric multi-processing support"
230         ---help---
231           This enables support for systems with more than one CPU. If you have
232           a system with only one CPU, say N. If you have a system with more
233           than one CPU, say Y.
234 
235           If you say N here, the kernel will run on uni- and multiprocessor
236           machines, but will use only one CPU of a multiprocessor machine. If
237           you say Y here, the kernel will run on many, but not all,
238           uniprocessor machines. On a uniprocessor machine, the kernel
239           will run faster if you say N here.
240 
241           See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
242           available at <http://www.tldp.org/docs.html#howto>.
243 
244           If you don't know what to do here, say N.
245 
246 config IRQSTACKS
247         bool "Use separate kernel stacks when processing interrupts"
248         default y
249         help
250           If you say Y here the kernel will use separate kernel stacks
251           for handling hard and soft interrupts.  This can help avoid
252           overflowing the process kernel stacks.
253 
254 config HOTPLUG_CPU
255         bool
256         default y if SMP
257 
258 config ARCH_SELECT_MEMORY_MODEL
259         def_bool y
260         depends on 64BIT
261 
262 config ARCH_DISCONTIGMEM_ENABLE
263         def_bool y
264         depends on 64BIT
265 
266 config ARCH_FLATMEM_ENABLE
267         def_bool y
268 
269 config ARCH_DISCONTIGMEM_DEFAULT
270         def_bool y
271         depends on ARCH_DISCONTIGMEM_ENABLE
272 
273 config NODES_SHIFT
274         int
275         default "3"
276         depends on NEED_MULTIPLE_NODES
277 
278 source "kernel/Kconfig.preempt"
279 source "kernel/Kconfig.hz"
280 source "mm/Kconfig"
281 
282 config COMPAT
283         def_bool y
284         depends on 64BIT
285 
286 config SYSVIPC_COMPAT
287         def_bool y
288         depends on COMPAT && SYSVIPC
289 
290 config AUDIT_ARCH
291         def_bool y
292 
293 config HPUX
294         bool "Support for HP-UX binaries"
295         depends on !64BIT
296 
297 config NR_CPUS
298         int "Maximum number of CPUs (2-32)"
299         range 2 32
300         depends on SMP
301         default "32"
302 
303 endmenu
304 
305 
306 source "drivers/parisc/Kconfig"
307 
308 
309 menu "Executable file formats"
310 
311 source "fs/Kconfig.binfmt"
312 
313 endmenu
314 
315 source "net/Kconfig"
316 
317 source "drivers/Kconfig"
318 
319 source "fs/Kconfig"
320 
321 source "arch/parisc/Kconfig.debug"
322 
323 source "security/Kconfig"
324 
325 source "crypto/Kconfig"
326 
327 source "lib/Kconfig"

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