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