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