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