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