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 ARCH_WANT_FRAME_POINTERS 10 select RTC_CLASS 11 select RTC_DRV_GENERIC 12 select INIT_ALL_POSSIBLE 13 select BUG 14 select BUILDTIME_EXTABLE_SORT 15 select HAVE_PERF_EVENTS 16 select GENERIC_ATOMIC64 if !64BIT 17 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 18 select BROKEN_RODATA 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 VIRT_TO_BUS 28 select MODULES_USE_ELF_RELA 29 select CLONE_BACKWARDS 30 select TTY # Needed for pdc_cons.c 31 select HAVE_DEBUG_STACKOVERFLOW 32 select HAVE_ARCH_AUDITSYSCALL 33 select HAVE_ARCH_SECCOMP_FILTER 34 select ARCH_NO_COHERENT_DMA_MMAP 35 select CPU_NO_EFFICIENT_FFS 36 37 help 38 The PA-RISC microprocessor is designed by Hewlett-Packard and used 39 in many of their workstations & servers (HP9000 700 and 800 series, 40 and later HP3000 series). The PA-RISC Linux project home page is 41 at <http://www.parisc-linux.org/>. 42 43config MMU 44 def_bool y 45 46config STACK_GROWSUP 47 def_bool y 48 49config GENERIC_LOCKBREAK 50 bool 51 default y 52 depends on SMP && PREEMPT 53 54config RWSEM_GENERIC_SPINLOCK 55 def_bool y 56 57config RWSEM_XCHGADD_ALGORITHM 58 bool 59 60config ARCH_HAS_ILOG2_U32 61 bool 62 default n 63 64config ARCH_HAS_ILOG2_U64 65 bool 66 default n 67 68config GENERIC_BUG 69 bool 70 default y 71 depends on BUG 72 73config GENERIC_HWEIGHT 74 bool 75 default y 76 77config GENERIC_CALIBRATE_DELAY 78 bool 79 default y 80 81config TIME_LOW_RES 82 bool 83 depends on SMP 84 default y 85 86# unless you want to implement ACPI on PA-RISC ... ;-) 87config PM 88 bool 89 90config STACKTRACE_SUPPORT 91 def_bool y 92 93config NEED_DMA_MAP_STATE 94 def_bool y 95 96config NEED_SG_DMA_LENGTH 97 def_bool y 98 99config ISA_DMA_API 100 bool 101 102config ARCH_MAY_HAVE_PC_FDC 103 bool 104 depends on BROKEN 105 default y 106 107config PGTABLE_LEVELS 108 int 109 default 3 if 64BIT && PARISC_PAGE_SIZE_4KB 110 default 2 111 112config SYS_SUPPORTS_HUGETLBFS 113 def_bool y if PA20 114 115source "init/Kconfig" 116 117source "kernel/Kconfig.freezer" 118 119 120menu "Processor type and features" 121 122choice 123 prompt "Processor type" 124 default PA7000 125 126config PA7000 127 bool "PA7000/PA7100" 128 ---help--- 129 This is the processor type of your CPU. This information is 130 used for optimizing purposes. In order to compile a kernel 131 that can run on all 32-bit PA CPUs (albeit not optimally fast), 132 you can specify "PA7000" here. 133 134 Specifying "PA8000" here will allow you to select a 64-bit kernel 135 which is required on some machines. 136 137config PA7100LC 138 bool "PA7100LC" 139 help 140 Select this option for the PCX-L processor, as used in the 141 712, 715/64, 715/80, 715/100, 715/100XC, 725/100, 743, 748, 142 D200, D210, D300, D310 and E-class 143 144config PA7200 145 bool "PA7200" 146 help 147 Select this option for the PCX-T' processor, as used in the 148 C100, C110, J100, J110, J210XC, D250, D260, D350, D360, 149 K100, K200, K210, K220, K400, K410 and K420 150 151config PA7300LC 152 bool "PA7300LC" 153 help 154 Select this option for the PCX-L2 processor, as used in the 155 744, A180, B132L, B160L, B180L, C132L, C160L, C180L, 156 D220, D230, D320 and D330. 157 158config PA8X00 159 bool "PA8000 and up" 160 help 161 Select this option for PCX-U to PCX-W2 processors. 162 163endchoice 164 165# Define implied options from the CPU selection here 166 167config PA20 168 def_bool y 169 depends on PA8X00 170 171config PA11 172 def_bool y 173 depends on PA7000 || PA7100LC || PA7200 || PA7300LC 174 175config PREFETCH 176 def_bool y 177 depends on PA8X00 || PA7200 178 179config MLONGCALLS 180 bool "Enable the -mlong-calls compiler option for big kernels" 181 def_bool y if (!MODULES) 182 depends on PA8X00 183 help 184 If you configure the kernel to include many drivers built-in instead 185 as modules, the kernel executable may become too big, so that the 186 linker will not be able to resolve some long branches and fails to link 187 your vmlinux kernel. In that case enabling this option will help you 188 to overcome this limit by using the -mlong-calls compiler option. 189 190 Usually you want to say N here, unless you e.g. want to build 191 a kernel which includes all necessary drivers built-in and which can 192 be used for TFTP booting without the need to have an initrd ramdisk. 193 194 Enabling this option will probably slow down your kernel. 195 196config 64BIT 197 bool "64-bit kernel" 198 depends on PA8X00 199 help 200 Enable this if you want to support 64bit kernel on PA-RISC platform. 201 202 At the moment, only people willing to use more than 2GB of RAM, 203 or having a 64bit-only capable PA-RISC machine should say Y here. 204 205 Since there is no 64bit userland on PA-RISC, there is no point to 206 enable this option otherwise. The 64bit kernel is significantly bigger 207 and slower than the 32bit one. 208 209choice 210 prompt "Kernel page size" 211 default PARISC_PAGE_SIZE_4KB 212 213config PARISC_PAGE_SIZE_4KB 214 bool "4KB" 215 help 216 This lets you select the page size of the kernel. For best 217 performance, a page size of 16KB is recommended. For best 218 compatibility with 32bit applications, a page size of 4KB should be 219 selected (the vast majority of 32bit binaries work perfectly fine 220 with a larger page size). 221 222 4KB For best 32bit compatibility 223 16KB For best performance 224 64KB For best performance, might give more overhead. 225 226 If you don't know what to do, choose 4KB. 227 228config PARISC_PAGE_SIZE_16KB 229 bool "16KB" 230 depends on PA8X00 231 232config PARISC_PAGE_SIZE_64KB 233 bool "64KB" 234 depends on PA8X00 235 236endchoice 237 238config SMP 239 bool "Symmetric multi-processing support" 240 ---help--- 241 This enables support for systems with more than one CPU. If you have 242 a system with only one CPU, say N. If you have a system with more 243 than one CPU, say Y. 244 245 If you say N here, the kernel will run on uni- and multiprocessor 246 machines, but will use only one CPU of a multiprocessor machine. If 247 you say Y here, the kernel will run on many, but not all, 248 uniprocessor machines. On a uniprocessor machine, the kernel 249 will run faster if you say N here. 250 251 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO 252 available at <http://www.tldp.org/docs.html#howto>. 253 254 If you don't know what to do here, say N. 255 256config IRQSTACKS 257 bool "Use separate kernel stacks when processing interrupts" 258 default y 259 help 260 If you say Y here the kernel will use separate kernel stacks 261 for handling hard and soft interrupts. This can help avoid 262 overflowing the process kernel stacks. 263 264config HOTPLUG_CPU 265 bool 266 default y if SMP 267 268config ARCH_SELECT_MEMORY_MODEL 269 def_bool y 270 depends on 64BIT 271 272config ARCH_DISCONTIGMEM_ENABLE 273 def_bool y 274 depends on 64BIT 275 276config ARCH_FLATMEM_ENABLE 277 def_bool y 278 279config ARCH_DISCONTIGMEM_DEFAULT 280 def_bool y 281 depends on ARCH_DISCONTIGMEM_ENABLE 282 283config NODES_SHIFT 284 int 285 default "3" 286 depends on NEED_MULTIPLE_NODES 287 288source "kernel/Kconfig.preempt" 289source "kernel/Kconfig.hz" 290source "mm/Kconfig" 291 292config COMPAT 293 def_bool y 294 depends on 64BIT 295 296config SYSVIPC_COMPAT 297 def_bool y 298 depends on COMPAT && SYSVIPC 299 300config AUDIT_ARCH 301 def_bool y 302 303config NR_CPUS 304 int "Maximum number of CPUs (2-32)" 305 range 2 32 306 depends on SMP 307 default "32" 308 309endmenu 310 311 312source "drivers/parisc/Kconfig" 313 314 315menu "Executable file formats" 316 317source "fs/Kconfig.binfmt" 318 319endmenu 320 321source "net/Kconfig" 322 323source "drivers/Kconfig" 324 325source "fs/Kconfig" 326 327source "arch/parisc/Kconfig.debug" 328 329config SECCOMP 330 def_bool y 331 prompt "Enable seccomp to safely compute untrusted bytecode" 332 ---help--- 333 This kernel feature is useful for number crunching applications 334 that may need to compute untrusted bytecode during their 335 execution. By using pipes or other transports made available to 336 the process as file descriptors supporting the read/write 337 syscalls, it's possible to isolate those applications in 338 their own address space using seccomp. Once seccomp is 339 enabled via prctl(PR_SET_SECCOMP), it cannot be disabled 340 and the task is only allowed to execute a few safe syscalls 341 defined by each seccomp mode. 342 343 If unsure, say Y. Only embedded should say N here. 344 345source "security/Kconfig" 346 347source "crypto/Kconfig" 348 349source "lib/Kconfig" 350