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 if 64BIT 8 select HAVE_FUNCTION_GRAPH_TRACER if 64BIT 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 HAVE_PERF_EVENTS 15 select GENERIC_ATOMIC64 if !64BIT 16 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 17 select BROKEN_RODATA 18 select GENERIC_IRQ_PROBE 19 select GENERIC_PCI_IOMAP 20 select ARCH_HAVE_NMI_SAFE_CMPXCHG 21 select GENERIC_SMP_IDLE_THREAD 22 select GENERIC_STRNCPY_FROM_USER 23 select SYSCTL_ARCH_UNALIGN_ALLOW 24 select SYSCTL_EXCEPTION_TRACE 25 select HAVE_MOD_ARCH_SPECIFIC 26 select VIRT_TO_BUS 27 select MODULES_USE_ELF_RELA 28 select CLONE_BACKWARDS 29 select TTY # Needed for pdc_cons.c 30 select HAVE_DEBUG_STACKOVERFLOW 31 select HAVE_ARCH_AUDITSYSCALL 32 select ARCH_NO_COHERENT_DMA_MMAP 33 34 help 35 The PA-RISC microprocessor is designed by Hewlett-Packard and used 36 in many of their workstations & servers (HP9000 700 and 800 series, 37 and later HP3000 series). The PA-RISC Linux project home page is 38 at <http://www.parisc-linux.org/>. 39 40config MMU 41 def_bool y 42 43config STACK_GROWSUP 44 def_bool y 45 46config GENERIC_LOCKBREAK 47 bool 48 default y 49 depends on SMP && PREEMPT 50 51config RWSEM_GENERIC_SPINLOCK 52 def_bool y 53 54config RWSEM_XCHGADD_ALGORITHM 55 bool 56 57config ARCH_HAS_ILOG2_U32 58 bool 59 default n 60 61config ARCH_HAS_ILOG2_U64 62 bool 63 default n 64 65config GENERIC_BUG 66 bool 67 default y 68 depends on BUG 69 70config GENERIC_HWEIGHT 71 bool 72 default y 73 74config GENERIC_CALIBRATE_DELAY 75 bool 76 default y 77 78config TIME_LOW_RES 79 bool 80 depends on SMP 81 default y 82 83# unless you want to implement ACPI on PA-RISC ... ;-) 84config PM 85 bool 86 87config STACKTRACE_SUPPORT 88 def_bool y 89 90config NEED_DMA_MAP_STATE 91 def_bool y 92 93config NEED_SG_DMA_LENGTH 94 def_bool y 95 96config ISA_DMA_API 97 bool 98 99config ARCH_MAY_HAVE_PC_FDC 100 bool 101 depends on BROKEN 102 default y 103 104config PGTABLE_LEVELS 105 int 106 default 3 if 64BIT && PARISC_PAGE_SIZE_4KB 107 default 2 108 109config SYS_SUPPORTS_HUGETLBFS 110 def_bool y if PA20 111 112source "init/Kconfig" 113 114source "kernel/Kconfig.freezer" 115 116 117menu "Processor type and features" 118 119choice 120 prompt "Processor type" 121 default PA7000 122 123config PA7000 124 bool "PA7000/PA7100" 125 ---help--- 126 This is the processor type of your CPU. This information is 127 used for optimizing purposes. In order to compile a kernel 128 that can run on all 32-bit PA CPUs (albeit not optimally fast), 129 you can specify "PA7000" here. 130 131 Specifying "PA8000" here will allow you to select a 64-bit kernel 132 which is required on some machines. 133 134config PA7100LC 135 bool "PA7100LC" 136 help 137 Select this option for the PCX-L processor, as used in the 138 712, 715/64, 715/80, 715/100, 715/100XC, 725/100, 743, 748, 139 D200, D210, D300, D310 and E-class 140 141config PA7200 142 bool "PA7200" 143 help 144 Select this option for the PCX-T' processor, as used in the 145 C100, C110, J100, J110, J210XC, D250, D260, D350, D360, 146 K100, K200, K210, K220, K400, K410 and K420 147 148config PA7300LC 149 bool "PA7300LC" 150 help 151 Select this option for the PCX-L2 processor, as used in the 152 744, A180, B132L, B160L, B180L, C132L, C160L, C180L, 153 D220, D230, D320 and D330. 154 155config PA8X00 156 bool "PA8000 and up" 157 help 158 Select this option for PCX-U to PCX-W2 processors. 159 160endchoice 161 162# Define implied options from the CPU selection here 163 164config PA20 165 def_bool y 166 depends on PA8X00 167 168config PA11 169 def_bool y 170 depends on PA7000 || PA7100LC || PA7200 || PA7300LC 171 172config PREFETCH 173 def_bool y 174 depends on PA8X00 || PA7200 175 176config MLONGCALLS 177 bool "Enable the -mlong-calls compiler option for big kernels" 178 def_bool y if (!MODULES) 179 depends on PA8X00 180 help 181 If you configure the kernel to include many drivers built-in instead 182 as modules, the kernel executable may become too big, so that the 183 linker will not be able to resolve some long branches and fails to link 184 your vmlinux kernel. In that case enabling this option will help you 185 to overcome this limit by using the -mlong-calls compiler option. 186 187 Usually you want to say N here, unless you e.g. want to build 188 a kernel which includes all necessary drivers built-in and which can 189 be used for TFTP booting without the need to have an initrd ramdisk. 190 191 Enabling this option will probably slow down your kernel. 192 193config 64BIT 194 bool "64-bit kernel" 195 depends on PA8X00 196 help 197 Enable this if you want to support 64bit kernel on PA-RISC platform. 198 199 At the moment, only people willing to use more than 2GB of RAM, 200 or having a 64bit-only capable PA-RISC machine should say Y here. 201 202 Since there is no 64bit userland on PA-RISC, there is no point to 203 enable this option otherwise. The 64bit kernel is significantly bigger 204 and slower than the 32bit one. 205 206choice 207 prompt "Kernel page size" 208 default PARISC_PAGE_SIZE_4KB 209 210config PARISC_PAGE_SIZE_4KB 211 bool "4KB" 212 help 213 This lets you select the page size of the kernel. For best 214 performance, a page size of 16KB is recommended. For best 215 compatibility with 32bit applications, a page size of 4KB should be 216 selected (the vast majority of 32bit binaries work perfectly fine 217 with a larger page size). 218 219 4KB For best 32bit compatibility 220 16KB For best performance 221 64KB For best performance, might give more overhead. 222 223 If you don't know what to do, choose 4KB. 224 225config PARISC_PAGE_SIZE_16KB 226 bool "16KB" 227 depends on PA8X00 228 229config PARISC_PAGE_SIZE_64KB 230 bool "64KB" 231 depends on PA8X00 232 233endchoice 234 235config SMP 236 bool "Symmetric multi-processing support" 237 ---help--- 238 This enables support for systems with more than one CPU. If you have 239 a system with only one CPU, say N. If you have a system with more 240 than one CPU, say Y. 241 242 If you say N here, the kernel will run on uni- and multiprocessor 243 machines, but will use only one CPU of a multiprocessor machine. If 244 you say Y here, the kernel will run on many, but not all, 245 uniprocessor machines. On a uniprocessor machine, the kernel 246 will run faster if you say N here. 247 248 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO 249 available at <http://www.tldp.org/docs.html#howto>. 250 251 If you don't know what to do here, say N. 252 253config IRQSTACKS 254 bool "Use separate kernel stacks when processing interrupts" 255 default y 256 help 257 If you say Y here the kernel will use separate kernel stacks 258 for handling hard and soft interrupts. This can help avoid 259 overflowing the process kernel stacks. 260 261config HOTPLUG_CPU 262 bool 263 default y if SMP 264 265config ARCH_SELECT_MEMORY_MODEL 266 def_bool y 267 depends on 64BIT 268 269config ARCH_DISCONTIGMEM_ENABLE 270 def_bool y 271 depends on 64BIT 272 273config ARCH_FLATMEM_ENABLE 274 def_bool y 275 276config ARCH_DISCONTIGMEM_DEFAULT 277 def_bool y 278 depends on ARCH_DISCONTIGMEM_ENABLE 279 280config NODES_SHIFT 281 int 282 default "3" 283 depends on NEED_MULTIPLE_NODES 284 285source "kernel/Kconfig.preempt" 286source "kernel/Kconfig.hz" 287source "mm/Kconfig" 288 289config COMPAT 290 def_bool y 291 depends on 64BIT 292 293config SYSVIPC_COMPAT 294 def_bool y 295 depends on COMPAT && SYSVIPC 296 297config AUDIT_ARCH 298 def_bool y 299 300config NR_CPUS 301 int "Maximum number of CPUs (2-32)" 302 range 2 32 303 depends on SMP 304 default "32" 305 306endmenu 307 308 309source "drivers/parisc/Kconfig" 310 311 312menu "Executable file formats" 313 314source "fs/Kconfig.binfmt" 315 316endmenu 317 318source "net/Kconfig" 319 320source "drivers/Kconfig" 321 322source "fs/Kconfig" 323 324source "arch/parisc/Kconfig.debug" 325 326config SECCOMP 327 def_bool y 328 prompt "Enable seccomp to safely compute untrusted bytecode" 329 ---help--- 330 This kernel feature is useful for number crunching applications 331 that may need to compute untrusted bytecode during their 332 execution. By using pipes or other transports made available to 333 the process as file descriptors supporting the read/write 334 syscalls, it's possible to isolate those applications in 335 their own address space using seccomp. Once seccomp is 336 enabled via prctl(PR_SET_SECCOMP), it cannot be disabled 337 and the task is only allowed to execute a few safe syscalls 338 defined by each seccomp mode. 339 340 If unsure, say Y. Only embedded should say N here. 341 342source "security/Kconfig" 343 344source "crypto/Kconfig" 345 346source "lib/Kconfig" 347