1config PARISC 2 def_bool y 3 select ARCH_MIGHT_HAVE_PC_PARPORT 4 select HAVE_IDE 5 select HAVE_OPROFILE 6 select HAVE_FUNCTION_TRACER 7 select HAVE_FUNCTION_GRAPH_TRACER 8 select HAVE_SYSCALL_TRACEPOINTS 9 select ARCH_WANT_FRAME_POINTERS 10 select ARCH_HAS_ELF_RANDOMIZE 11 select ARCH_HAS_STRICT_KERNEL_RWX 12 select RTC_CLASS 13 select RTC_DRV_GENERIC 14 select INIT_ALL_POSSIBLE 15 select HAVE_MEMBLOCK 16 select NO_BOOTMEM 17 select BUG 18 select BUILDTIME_EXTABLE_SORT 19 select HAVE_PERF_EVENTS 20 select GENERIC_ATOMIC64 if !64BIT 21 select GENERIC_IRQ_PROBE 22 select GENERIC_PCI_IOMAP 23 select ARCH_HAVE_NMI_SAFE_CMPXCHG 24 select GENERIC_SMP_IDLE_THREAD 25 select GENERIC_STRNCPY_FROM_USER 26 select SYSCTL_ARCH_UNALIGN_ALLOW 27 select SYSCTL_EXCEPTION_TRACE 28 select HAVE_MOD_ARCH_SPECIFIC 29 select VIRT_TO_BUS 30 select MODULES_USE_ELF_RELA 31 select CLONE_BACKWARDS 32 select TTY # Needed for pdc_cons.c 33 select HAVE_DEBUG_STACKOVERFLOW 34 select HAVE_ARCH_AUDITSYSCALL 35 select HAVE_ARCH_HASH 36 select HAVE_ARCH_SECCOMP_FILTER 37 select HAVE_ARCH_TRACEHOOK 38 select GENERIC_SCHED_CLOCK 39 select HAVE_UNSTABLE_SCHED_CLOCK if SMP 40 select GENERIC_CLOCKEVENTS 41 select ARCH_NO_COHERENT_DMA_MMAP 42 select CPU_NO_EFFICIENT_FFS 43 44 help 45 The PA-RISC microprocessor is designed by Hewlett-Packard and used 46 in many of their workstations & servers (HP9000 700 and 800 series, 47 and later HP3000 series). The PA-RISC Linux project home page is 48 at <http://www.parisc-linux.org/>. 49 50config CPU_BIG_ENDIAN 51 def_bool y 52 53config MMU 54 def_bool y 55 56config STACK_GROWSUP 57 def_bool y 58 59config GENERIC_LOCKBREAK 60 bool 61 default y 62 depends on SMP && PREEMPT 63 64config RWSEM_GENERIC_SPINLOCK 65 def_bool y 66 67config RWSEM_XCHGADD_ALGORITHM 68 bool 69 70config ARCH_HAS_ILOG2_U32 71 bool 72 default n 73 74config ARCH_HAS_ILOG2_U64 75 bool 76 default n 77 78config GENERIC_BUG 79 bool 80 default y 81 depends on BUG 82 83config GENERIC_HWEIGHT 84 bool 85 default y 86 87config GENERIC_CALIBRATE_DELAY 88 bool 89 default y 90 91config TIME_LOW_RES 92 bool 93 depends on SMP 94 default y 95 96# unless you want to implement ACPI on PA-RISC ... ;-) 97config PM 98 bool 99 100config STACKTRACE_SUPPORT 101 def_bool y 102 103config NEED_DMA_MAP_STATE 104 def_bool y 105 106config NEED_SG_DMA_LENGTH 107 def_bool y 108 109config ISA_DMA_API 110 bool 111 112config ARCH_MAY_HAVE_PC_FDC 113 bool 114 depends on BROKEN 115 default y 116 117config PGTABLE_LEVELS 118 int 119 default 3 if 64BIT && PARISC_PAGE_SIZE_4KB 120 default 2 121 122config SYS_SUPPORTS_HUGETLBFS 123 def_bool y if PA20 124 125source "init/Kconfig" 126 127source "kernel/Kconfig.freezer" 128 129 130menu "Processor type and features" 131 132choice 133 prompt "Processor type" 134 default PA7000 135 136config PA7000 137 bool "PA7000/PA7100" 138 ---help--- 139 This is the processor type of your CPU. This information is 140 used for optimizing purposes. In order to compile a kernel 141 that can run on all 32-bit PA CPUs (albeit not optimally fast), 142 you can specify "PA7000" here. 143 144 Specifying "PA8000" here will allow you to select a 64-bit kernel 145 which is required on some machines. 146 147config PA7100LC 148 bool "PA7100LC" 149 help 150 Select this option for the PCX-L processor, as used in the 151 712, 715/64, 715/80, 715/100, 715/100XC, 725/100, 743, 748, 152 D200, D210, D300, D310 and E-class 153 154config PA7200 155 bool "PA7200" 156 help 157 Select this option for the PCX-T' processor, as used in the 158 C100, C110, J100, J110, J210XC, D250, D260, D350, D360, 159 K100, K200, K210, K220, K400, K410 and K420 160 161config PA7300LC 162 bool "PA7300LC" 163 help 164 Select this option for the PCX-L2 processor, as used in the 165 744, A180, B132L, B160L, B180L, C132L, C160L, C180L, 166 D220, D230, D320 and D330. 167 168config PA8X00 169 bool "PA8000 and up" 170 help 171 Select this option for PCX-U to PCX-W2 processors. 172 173endchoice 174 175# Define implied options from the CPU selection here 176 177config PA20 178 def_bool y 179 depends on PA8X00 180 181config PA11 182 def_bool y 183 depends on PA7000 || PA7100LC || PA7200 || PA7300LC 184 185config PREFETCH 186 def_bool y 187 depends on PA8X00 || PA7200 188 189config MLONGCALLS 190 bool "Enable the -mlong-calls compiler option for big kernels" 191 def_bool y if (!MODULES) 192 depends on PA8X00 193 help 194 If you configure the kernel to include many drivers built-in instead 195 as modules, the kernel executable may become too big, so that the 196 linker will not be able to resolve some long branches and fails to link 197 your vmlinux kernel. In that case enabling this option will help you 198 to overcome this limit by using the -mlong-calls compiler option. 199 200 Usually you want to say N here, unless you e.g. want to build 201 a kernel which includes all necessary drivers built-in and which can 202 be used for TFTP booting without the need to have an initrd ramdisk. 203 204 Enabling this option will probably slow down your kernel. 205 206config 64BIT 207 bool "64-bit kernel" 208 depends on PA8X00 209 help 210 Enable this if you want to support 64bit kernel on PA-RISC platform. 211 212 At the moment, only people willing to use more than 2GB of RAM, 213 or having a 64bit-only capable PA-RISC machine should say Y here. 214 215 Since there is no 64bit userland on PA-RISC, there is no point to 216 enable this option otherwise. The 64bit kernel is significantly bigger 217 and slower than the 32bit one. 218 219choice 220 prompt "Kernel page size" 221 default PARISC_PAGE_SIZE_4KB 222 223config PARISC_PAGE_SIZE_4KB 224 bool "4KB" 225 help 226 This lets you select the page size of the kernel. For best 227 performance, a page size of 16KB is recommended. For best 228 compatibility with 32bit applications, a page size of 4KB should be 229 selected (the vast majority of 32bit binaries work perfectly fine 230 with a larger page size). 231 232 4KB For best 32bit compatibility 233 16KB For best performance 234 64KB For best performance, might give more overhead. 235 236 If you don't know what to do, choose 4KB. 237 238config PARISC_PAGE_SIZE_16KB 239 bool "16KB" 240 depends on PA8X00 241 242config PARISC_PAGE_SIZE_64KB 243 bool "64KB" 244 depends on PA8X00 245 246endchoice 247 248config SMP 249 bool "Symmetric multi-processing support" 250 ---help--- 251 This enables support for systems with more than one CPU. If you have 252 a system with only one CPU, say N. If you have a system with more 253 than one CPU, say Y. 254 255 If you say N here, the kernel will run on uni- and multiprocessor 256 machines, but will use only one CPU of a multiprocessor machine. If 257 you say Y here, the kernel will run on many, but not all, 258 uniprocessor machines. On a uniprocessor machine, the kernel 259 will run faster if you say N here. 260 261 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO 262 available at <http://www.tldp.org/docs.html#howto>. 263 264 If you don't know what to do here, say N. 265 266config IRQSTACKS 267 bool "Use separate kernel stacks when processing interrupts" 268 default y 269 help 270 If you say Y here the kernel will use separate kernel stacks 271 for handling hard and soft interrupts. This can help avoid 272 overflowing the process kernel stacks. 273 274config HOTPLUG_CPU 275 bool 276 default y if SMP 277 278config ARCH_SELECT_MEMORY_MODEL 279 def_bool y 280 depends on 64BIT 281 282config ARCH_DISCONTIGMEM_ENABLE 283 def_bool y 284 depends on 64BIT 285 286config ARCH_FLATMEM_ENABLE 287 def_bool y 288 289config ARCH_DISCONTIGMEM_DEFAULT 290 def_bool y 291 depends on ARCH_DISCONTIGMEM_ENABLE 292 293config NODES_SHIFT 294 int 295 default "3" 296 depends on NEED_MULTIPLE_NODES 297 298source "kernel/Kconfig.preempt" 299source "kernel/Kconfig.hz" 300source "mm/Kconfig" 301 302config COMPAT 303 def_bool y 304 depends on 64BIT 305 306config SYSVIPC_COMPAT 307 def_bool y 308 depends on COMPAT && SYSVIPC 309 310config AUDIT_ARCH 311 def_bool y 312 313config NR_CPUS 314 int "Maximum number of CPUs (2-32)" 315 range 2 32 316 depends on SMP 317 default "32" 318 319endmenu 320 321 322source "drivers/parisc/Kconfig" 323 324 325menu "Executable file formats" 326 327source "fs/Kconfig.binfmt" 328 329endmenu 330 331source "net/Kconfig" 332 333source "drivers/Kconfig" 334 335source "fs/Kconfig" 336 337source "arch/parisc/Kconfig.debug" 338 339config SECCOMP 340 def_bool y 341 prompt "Enable seccomp to safely compute untrusted bytecode" 342 ---help--- 343 This kernel feature is useful for number crunching applications 344 that may need to compute untrusted bytecode during their 345 execution. By using pipes or other transports made available to 346 the process as file descriptors supporting the read/write 347 syscalls, it's possible to isolate those applications in 348 their own address space using seccomp. Once seccomp is 349 enabled via prctl(PR_SET_SECCOMP), it cannot be disabled 350 and the task is only allowed to execute a few safe syscalls 351 defined by each seccomp mode. 352 353 If unsure, say Y. Only embedded should say N here. 354 355source "security/Kconfig" 356 357source "crypto/Kconfig" 358 359source "lib/Kconfig" 360