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 8 select HAVE_FUNCTION_GRAPH_TRACER 9 select HAVE_SYSCALL_TRACEPOINTS 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 BUILDTIME_EXTABLE_SORT 16 select HAVE_PERF_EVENTS 17 select GENERIC_ATOMIC64 if !64BIT 18 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 19 select BROKEN_RODATA 20 select GENERIC_IRQ_PROBE 21 select GENERIC_PCI_IOMAP 22 select ARCH_HAVE_NMI_SAFE_CMPXCHG 23 select GENERIC_SMP_IDLE_THREAD 24 select GENERIC_STRNCPY_FROM_USER 25 select SYSCTL_ARCH_UNALIGN_ALLOW 26 select SYSCTL_EXCEPTION_TRACE 27 select HAVE_MOD_ARCH_SPECIFIC 28 select VIRT_TO_BUS 29 select MODULES_USE_ELF_RELA 30 select CLONE_BACKWARDS 31 select TTY # Needed for pdc_cons.c 32 select HAVE_DEBUG_STACKOVERFLOW 33 select HAVE_ARCH_AUDITSYSCALL 34 select HAVE_ARCH_HASH 35 select HAVE_ARCH_SECCOMP_FILTER 36 select HAVE_ARCH_TRACEHOOK 37 select HAVE_UNSTABLE_SCHED_CLOCK if (SMP || !64BIT) 38 select ARCH_NO_COHERENT_DMA_MMAP 39 select CPU_NO_EFFICIENT_FFS 40 41 help 42 The PA-RISC microprocessor is designed by Hewlett-Packard and used 43 in many of their workstations & servers (HP9000 700 and 800 series, 44 and later HP3000 series). The PA-RISC Linux project home page is 45 at <http://www.parisc-linux.org/>. 46 47config MMU 48 def_bool y 49 50config STACK_GROWSUP 51 def_bool y 52 53config GENERIC_LOCKBREAK 54 bool 55 default y 56 depends on SMP && PREEMPT 57 58config RWSEM_GENERIC_SPINLOCK 59 def_bool y 60 61config RWSEM_XCHGADD_ALGORITHM 62 bool 63 64config ARCH_HAS_ILOG2_U32 65 bool 66 default n 67 68config ARCH_HAS_ILOG2_U64 69 bool 70 default n 71 72config GENERIC_BUG 73 bool 74 default y 75 depends on BUG 76 77config GENERIC_HWEIGHT 78 bool 79 default y 80 81config GENERIC_CALIBRATE_DELAY 82 bool 83 default y 84 85config TIME_LOW_RES 86 bool 87 depends on SMP 88 default y 89 90# unless you want to implement ACPI on PA-RISC ... ;-) 91config PM 92 bool 93 94config STACKTRACE_SUPPORT 95 def_bool y 96 97config NEED_DMA_MAP_STATE 98 def_bool y 99 100config NEED_SG_DMA_LENGTH 101 def_bool y 102 103config ISA_DMA_API 104 bool 105 106config ARCH_MAY_HAVE_PC_FDC 107 bool 108 depends on BROKEN 109 default y 110 111config PGTABLE_LEVELS 112 int 113 default 3 if 64BIT && PARISC_PAGE_SIZE_4KB 114 default 2 115 116config SYS_SUPPORTS_HUGETLBFS 117 def_bool y if PA20 118 119source "init/Kconfig" 120 121source "kernel/Kconfig.freezer" 122 123 124menu "Processor type and features" 125 126choice 127 prompt "Processor type" 128 default PA7000 129 130config PA7000 131 bool "PA7000/PA7100" 132 ---help--- 133 This is the processor type of your CPU. This information is 134 used for optimizing purposes. In order to compile a kernel 135 that can run on all 32-bit PA CPUs (albeit not optimally fast), 136 you can specify "PA7000" here. 137 138 Specifying "PA8000" here will allow you to select a 64-bit kernel 139 which is required on some machines. 140 141config PA7100LC 142 bool "PA7100LC" 143 help 144 Select this option for the PCX-L processor, as used in the 145 712, 715/64, 715/80, 715/100, 715/100XC, 725/100, 743, 748, 146 D200, D210, D300, D310 and E-class 147 148config PA7200 149 bool "PA7200" 150 help 151 Select this option for the PCX-T' processor, as used in the 152 C100, C110, J100, J110, J210XC, D250, D260, D350, D360, 153 K100, K200, K210, K220, K400, K410 and K420 154 155config PA7300LC 156 bool "PA7300LC" 157 help 158 Select this option for the PCX-L2 processor, as used in the 159 744, A180, B132L, B160L, B180L, C132L, C160L, C180L, 160 D220, D230, D320 and D330. 161 162config PA8X00 163 bool "PA8000 and up" 164 help 165 Select this option for PCX-U to PCX-W2 processors. 166 167endchoice 168 169# Define implied options from the CPU selection here 170 171config PA20 172 def_bool y 173 depends on PA8X00 174 175config PA11 176 def_bool y 177 depends on PA7000 || PA7100LC || PA7200 || PA7300LC 178 179config PREFETCH 180 def_bool y 181 depends on PA8X00 || PA7200 182 183config MLONGCALLS 184 bool "Enable the -mlong-calls compiler option for big kernels" 185 def_bool y if (!MODULES) 186 depends on PA8X00 187 help 188 If you configure the kernel to include many drivers built-in instead 189 as modules, the kernel executable may become too big, so that the 190 linker will not be able to resolve some long branches and fails to link 191 your vmlinux kernel. In that case enabling this option will help you 192 to overcome this limit by using the -mlong-calls compiler option. 193 194 Usually you want to say N here, unless you e.g. want to build 195 a kernel which includes all necessary drivers built-in and which can 196 be used for TFTP booting without the need to have an initrd ramdisk. 197 198 Enabling this option will probably slow down your kernel. 199 200config 64BIT 201 bool "64-bit kernel" 202 depends on PA8X00 203 help 204 Enable this if you want to support 64bit kernel on PA-RISC platform. 205 206 At the moment, only people willing to use more than 2GB of RAM, 207 or having a 64bit-only capable PA-RISC machine should say Y here. 208 209 Since there is no 64bit userland on PA-RISC, there is no point to 210 enable this option otherwise. The 64bit kernel is significantly bigger 211 and slower than the 32bit one. 212 213choice 214 prompt "Kernel page size" 215 default PARISC_PAGE_SIZE_4KB 216 217config PARISC_PAGE_SIZE_4KB 218 bool "4KB" 219 help 220 This lets you select the page size of the kernel. For best 221 performance, a page size of 16KB is recommended. For best 222 compatibility with 32bit applications, a page size of 4KB should be 223 selected (the vast majority of 32bit binaries work perfectly fine 224 with a larger page size). 225 226 4KB For best 32bit compatibility 227 16KB For best performance 228 64KB For best performance, might give more overhead. 229 230 If you don't know what to do, choose 4KB. 231 232config PARISC_PAGE_SIZE_16KB 233 bool "16KB" 234 depends on PA8X00 235 236config PARISC_PAGE_SIZE_64KB 237 bool "64KB" 238 depends on PA8X00 239 240endchoice 241 242config SMP 243 bool "Symmetric multi-processing support" 244 ---help--- 245 This enables support for systems with more than one CPU. If you have 246 a system with only one CPU, say N. If you have a system with more 247 than one CPU, say Y. 248 249 If you say N here, the kernel will run on uni- and multiprocessor 250 machines, but will use only one CPU of a multiprocessor machine. If 251 you say Y here, the kernel will run on many, but not all, 252 uniprocessor machines. On a uniprocessor machine, the kernel 253 will run faster if you say N here. 254 255 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO 256 available at <http://www.tldp.org/docs.html#howto>. 257 258 If you don't know what to do here, say N. 259 260config IRQSTACKS 261 bool "Use separate kernel stacks when processing interrupts" 262 default y 263 help 264 If you say Y here the kernel will use separate kernel stacks 265 for handling hard and soft interrupts. This can help avoid 266 overflowing the process kernel stacks. 267 268config HOTPLUG_CPU 269 bool 270 default y if SMP 271 272config ARCH_SELECT_MEMORY_MODEL 273 def_bool y 274 depends on 64BIT 275 276config ARCH_DISCONTIGMEM_ENABLE 277 def_bool y 278 depends on 64BIT 279 280config ARCH_FLATMEM_ENABLE 281 def_bool y 282 283config ARCH_DISCONTIGMEM_DEFAULT 284 def_bool y 285 depends on ARCH_DISCONTIGMEM_ENABLE 286 287config NODES_SHIFT 288 int 289 default "3" 290 depends on NEED_MULTIPLE_NODES 291 292source "kernel/Kconfig.preempt" 293source "kernel/Kconfig.hz" 294source "mm/Kconfig" 295 296config COMPAT 297 def_bool y 298 depends on 64BIT 299 300config SYSVIPC_COMPAT 301 def_bool y 302 depends on COMPAT && SYSVIPC 303 304config AUDIT_ARCH 305 def_bool y 306 307config NR_CPUS 308 int "Maximum number of CPUs (2-32)" 309 range 2 32 310 depends on SMP 311 default "32" 312 313endmenu 314 315 316source "drivers/parisc/Kconfig" 317 318 319menu "Executable file formats" 320 321source "fs/Kconfig.binfmt" 322 323endmenu 324 325source "net/Kconfig" 326 327source "drivers/Kconfig" 328 329source "fs/Kconfig" 330 331source "arch/parisc/Kconfig.debug" 332 333config SECCOMP 334 def_bool y 335 prompt "Enable seccomp to safely compute untrusted bytecode" 336 ---help--- 337 This kernel feature is useful for number crunching applications 338 that may need to compute untrusted bytecode during their 339 execution. By using pipes or other transports made available to 340 the process as file descriptors supporting the read/write 341 syscalls, it's possible to isolate those applications in 342 their own address space using seccomp. Once seccomp is 343 enabled via prctl(PR_SET_SECCOMP), it cannot be disabled 344 and the task is only allowed to execute a few safe syscalls 345 defined by each seccomp mode. 346 347 If unsure, say Y. Only embedded should say N here. 348 349source "security/Kconfig" 350 351source "crypto/Kconfig" 352 353source "lib/Kconfig" 354