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