1config 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 ARCH_WANT_FRAME_POINTERS 10 select RTC_CLASS 11 select RTC_DRV_GENERIC 12 select INIT_ALL_POSSIBLE 13 select BUG 14 select HAVE_PERF_EVENTS 15 select GENERIC_ATOMIC64 if !64BIT 16 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 17 select BROKEN_RODATA 18 select GENERIC_IRQ_PROBE 19 select GENERIC_PCI_IOMAP 20 select ARCH_HAVE_NMI_SAFE_CMPXCHG 21 select GENERIC_SMP_IDLE_THREAD 22 select GENERIC_STRNCPY_FROM_USER 23 select SYSCTL_ARCH_UNALIGN_ALLOW 24 select SYSCTL_EXCEPTION_TRACE 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 select HAVE_ARCH_AUDITSYSCALL 32 33 help 34 The PA-RISC microprocessor is designed by Hewlett-Packard and used 35 in many of their workstations & servers (HP9000 700 and 800 series, 36 and later HP3000 series). The PA-RISC Linux project home page is 37 at <http://www.parisc-linux.org/>. 38 39config MMU 40 def_bool y 41 42config STACK_GROWSUP 43 def_bool y 44 45config GENERIC_LOCKBREAK 46 bool 47 default y 48 depends on SMP && PREEMPT 49 50config RWSEM_GENERIC_SPINLOCK 51 def_bool y 52 53config RWSEM_XCHGADD_ALGORITHM 54 bool 55 56config ARCH_HAS_ILOG2_U32 57 bool 58 default n 59 60config ARCH_HAS_ILOG2_U64 61 bool 62 default n 63 64config GENERIC_BUG 65 bool 66 default y 67 depends on BUG 68 69config GENERIC_HWEIGHT 70 bool 71 default y 72 73config GENERIC_CALIBRATE_DELAY 74 bool 75 default y 76 77config TIME_LOW_RES 78 bool 79 depends on SMP 80 default y 81 82config HAVE_LATENCYTOP_SUPPORT 83 def_bool y 84 85# unless you want to implement ACPI on PA-RISC ... ;-) 86config PM 87 bool 88 89config STACKTRACE_SUPPORT 90 def_bool y 91 92config NEED_DMA_MAP_STATE 93 def_bool y 94 95config NEED_SG_DMA_LENGTH 96 def_bool y 97 98config ISA_DMA_API 99 bool 100 101config ARCH_MAY_HAVE_PC_FDC 102 bool 103 depends on BROKEN 104 default y 105 106config PGTABLE_LEVELS 107 int 108 default 3 if 64BIT && PARISC_PAGE_SIZE_4KB 109 default 2 110 111config SYS_SUPPORTS_HUGETLBFS 112 def_bool y if PA20 113 114source "init/Kconfig" 115 116source "kernel/Kconfig.freezer" 117 118 119menu "Processor type and features" 120 121choice 122 prompt "Processor type" 123 default PA7000 124 125config PA7000 126 bool "PA7000/PA7100" 127 ---help--- 128 This is the processor type of your CPU. This information is 129 used for optimizing purposes. In order to compile a kernel 130 that can run on all 32-bit PA CPUs (albeit not optimally fast), 131 you can specify "PA7000" here. 132 133 Specifying "PA8000" here will allow you to select a 64-bit kernel 134 which is required on some machines. 135 136config PA7100LC 137 bool "PA7100LC" 138 help 139 Select this option for the PCX-L processor, as used in the 140 712, 715/64, 715/80, 715/100, 715/100XC, 725/100, 743, 748, 141 D200, D210, D300, D310 and E-class 142 143config PA7200 144 bool "PA7200" 145 help 146 Select this option for the PCX-T' processor, as used in the 147 C100, C110, J100, J110, J210XC, D250, D260, D350, D360, 148 K100, K200, K210, K220, K400, K410 and K420 149 150config PA7300LC 151 bool "PA7300LC" 152 help 153 Select this option for the PCX-L2 processor, as used in the 154 744, A180, B132L, B160L, B180L, C132L, C160L, C180L, 155 D220, D230, D320 and D330. 156 157config PA8X00 158 bool "PA8000 and up" 159 help 160 Select this option for PCX-U to PCX-W2 processors. 161 162endchoice 163 164# Define implied options from the CPU selection here 165 166config PA20 167 def_bool y 168 depends on PA8X00 169 170config PA11 171 def_bool y 172 depends on PA7000 || PA7100LC || PA7200 || PA7300LC 173 174config PREFETCH 175 def_bool y 176 depends on PA8X00 || PA7200 177 178config MLONGCALLS 179 bool "Enable the -mlong-calls compiler option for big kernels" 180 def_bool y if (!MODULES) 181 depends on PA8X00 182 help 183 If you configure the kernel to include many drivers built-in instead 184 as modules, the kernel executable may become too big, so that the 185 linker will not be able to resolve some long branches and fails to link 186 your vmlinux kernel. In that case enabling this option will help you 187 to overcome this limit by using the -mlong-calls compiler option. 188 189 Usually you want to say N here, unless you e.g. want to build 190 a kernel which includes all necessary drivers built-in and which can 191 be used for TFTP booting without the need to have an initrd ramdisk. 192 193 Enabling this option will probably slow down your kernel. 194 195config 64BIT 196 bool "64-bit kernel" 197 depends on PA8X00 198 help 199 Enable this if you want to support 64bit kernel on PA-RISC platform. 200 201 At the moment, only people willing to use more than 2GB of RAM, 202 or having a 64bit-only capable PA-RISC machine should say Y here. 203 204 Since there is no 64bit userland on PA-RISC, there is no point to 205 enable this option otherwise. The 64bit kernel is significantly bigger 206 and slower than the 32bit one. 207 208choice 209 prompt "Kernel page size" 210 default PARISC_PAGE_SIZE_4KB 211 212config PARISC_PAGE_SIZE_4KB 213 bool "4KB" 214 help 215 This lets you select the page size of the kernel. For best 216 performance, a page size of 16KB is recommended. For best 217 compatibility with 32bit applications, a page size of 4KB should be 218 selected (the vast majority of 32bit binaries work perfectly fine 219 with a larger page size). 220 221 4KB For best 32bit compatibility 222 16KB For best performance 223 64KB For best performance, might give more overhead. 224 225 If you don't know what to do, choose 4KB. 226 227config PARISC_PAGE_SIZE_16KB 228 bool "16KB" 229 depends on PA8X00 230 231config PARISC_PAGE_SIZE_64KB 232 bool "64KB" 233 depends on PA8X00 234 235endchoice 236 237config SMP 238 bool "Symmetric multi-processing support" 239 ---help--- 240 This enables support for systems with more than one CPU. If you have 241 a system with only one CPU, say N. If you have a system with more 242 than one CPU, say Y. 243 244 If you say N here, the kernel will run on uni- and multiprocessor 245 machines, but will use only one CPU of a multiprocessor machine. If 246 you say Y here, the kernel will run on many, but not all, 247 uniprocessor machines. On a uniprocessor machine, the kernel 248 will run faster if you say N here. 249 250 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO 251 available at <http://www.tldp.org/docs.html#howto>. 252 253 If you don't know what to do here, say N. 254 255config IRQSTACKS 256 bool "Use separate kernel stacks when processing interrupts" 257 default y 258 help 259 If you say Y here the kernel will use separate kernel stacks 260 for handling hard and soft interrupts. This can help avoid 261 overflowing the process kernel stacks. 262 263config HOTPLUG_CPU 264 bool 265 default y if SMP 266 267config ARCH_SELECT_MEMORY_MODEL 268 def_bool y 269 depends on 64BIT 270 271config ARCH_DISCONTIGMEM_ENABLE 272 def_bool y 273 depends on 64BIT 274 275config ARCH_FLATMEM_ENABLE 276 def_bool y 277 278config ARCH_DISCONTIGMEM_DEFAULT 279 def_bool y 280 depends on ARCH_DISCONTIGMEM_ENABLE 281 282config NODES_SHIFT 283 int 284 default "3" 285 depends on NEED_MULTIPLE_NODES 286 287source "kernel/Kconfig.preempt" 288source "kernel/Kconfig.hz" 289source "mm/Kconfig" 290 291config COMPAT 292 def_bool y 293 depends on 64BIT 294 295config SYSVIPC_COMPAT 296 def_bool y 297 depends on COMPAT && SYSVIPC 298 299config AUDIT_ARCH 300 def_bool y 301 302config NR_CPUS 303 int "Maximum number of CPUs (2-32)" 304 range 2 32 305 depends on SMP 306 default "32" 307 308endmenu 309 310 311source "drivers/parisc/Kconfig" 312 313 314menu "Executable file formats" 315 316source "fs/Kconfig.binfmt" 317 318endmenu 319 320source "net/Kconfig" 321 322source "drivers/Kconfig" 323 324source "fs/Kconfig" 325 326source "arch/parisc/Kconfig.debug" 327 328config SECCOMP 329 def_bool y 330 prompt "Enable seccomp to safely compute untrusted bytecode" 331 ---help--- 332 This kernel feature is useful for number crunching applications 333 that may need to compute untrusted bytecode during their 334 execution. By using pipes or other transports made available to 335 the process as file descriptors supporting the read/write 336 syscalls, it's possible to isolate those applications in 337 their own address space using seccomp. Once seccomp is 338 enabled via prctl(PR_SET_SECCOMP), it cannot be disabled 339 and the task is only allowed to execute a few safe syscalls 340 defined by each seccomp mode. 341 342 If unsure, say Y. Only embedded should say N here. 343 344source "security/Kconfig" 345 346source "crypto/Kconfig" 347 348source "lib/Kconfig" 349