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