1 # SPDX-License-Identifier: GPL-2.0 !! 1 # SPDX-License-Identifier: GPL-2.0-only
2 # !! 2 config 64BIT
3 # For a description of the syntax of this conf !! 3 bool "64-bit kernel" if "$(ARCH)" = "sparc"
4 # see Documentation/kbuild/kconfig-language.rs !! 4 default "$(ARCH)" = "sparc64"
5 # !! 5 help
>> 6 SPARC is a family of RISC microprocessors designed and marketed by
>> 7 Sun Microsystems, incorporated. They are very widely found in Sun
>> 8 workstations and clones.
6 9
7 config OPENRISC !! 10 Say yes to build a 64-bit kernel - formerly known as sparc64
8 def_bool y !! 11 Say no to build a 32-bit kernel - formerly known as sparc
9 select ARCH_32BIT_OFF_T !! 12
10 select ARCH_HAS_DMA_SET_UNCACHED !! 13 config SPARC
11 select ARCH_HAS_DMA_CLEAR_UNCACHED !! 14 bool
12 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 15 default y
13 select COMMON_CLK !! 16 select ARCH_HAS_CPU_CACHE_ALIASING
>> 17 select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
>> 18 select ARCH_MIGHT_HAVE_PC_SERIO
>> 19 select DMA_OPS
14 select OF 20 select OF
15 select OF_EARLY_FLATTREE !! 21 select OF_PROMTREE
16 select IRQ_DOMAIN !! 22 select HAVE_ASM_MODVERSIONS
17 select GPIOLIB !! 23 select HAVE_ARCH_KGDB if !SMP || SPARC64
18 select HAVE_ARCH_TRACEHOOK 24 select HAVE_ARCH_TRACEHOOK
19 select SPARSE_IRQ !! 25 select HAVE_ARCH_SECCOMP if SPARC64
20 select GENERIC_IRQ_CHIP !! 26 select HAVE_EXIT_THREAD
21 select GENERIC_IRQ_PROBE !! 27 select HAVE_PCI
>> 28 select SYSCTL_EXCEPTION_TRACE
>> 29 select RTC_CLASS
>> 30 select RTC_DRV_M48T59
>> 31 select RTC_SYSTOHC
>> 32 select HAVE_ARCH_JUMP_LABEL if SPARC64
22 select GENERIC_IRQ_SHOW 33 select GENERIC_IRQ_SHOW
>> 34 select ARCH_WANT_IPC_PARSE_VERSION
23 select GENERIC_PCI_IOMAP 35 select GENERIC_PCI_IOMAP
24 select GENERIC_IOREMAP !! 36 select HAS_IOPORT
25 select GENERIC_CPU_DEVICES !! 37 select HAVE_HARDLOCKUP_DETECTOR_SPARC64 if SPARC64
26 select HAVE_PCI !! 38 select HAVE_CBPF_JIT if SPARC32
27 select HAVE_UID16 !! 39 select HAVE_EBPF_JIT if SPARC64
28 select HAVE_PAGE_SIZE_8KB !! 40 select HAVE_DEBUG_BUGVERBOSE
29 select GENERIC_ATOMIC64 <<
30 select GENERIC_CLOCKEVENTS_BROADCAST <<
31 select GENERIC_SMP_IDLE_THREAD 41 select GENERIC_SMP_IDLE_THREAD
32 select MODULES_USE_ELF_RELA 42 select MODULES_USE_ELF_RELA
33 select HAVE_DEBUG_STACKOVERFLOW !! 43 select PCI_SYSCALL if PCI
34 select OR1K_PIC !! 44 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
35 select CPU_NO_EFFICIENT_FFS if !OPENRI !! 45 select ODD_RT_SIGACTION
36 select ARCH_USE_QUEUED_RWLOCKS !! 46 select OLD_SIGSUSPEND
37 select OMPIC if SMP !! 47 select CPU_NO_EFFICIENT_FFS
38 select PCI_DOMAINS_GENERIC if PCI !! 48 select LOCKDEP_SMALL if LOCKDEP
39 select PCI_MSI if PCI !! 49 select NEED_DMA_MAP_STATE
40 select ARCH_WANT_FRAME_POINTERS !! 50 select NEED_SG_DMA_LENGTH
41 select GENERIC_IRQ_MULTI_HANDLER <<
42 select MMU_GATHER_NO_RANGE if MMU <<
43 select TRACE_IRQFLAGS_SUPPORT 51 select TRACE_IRQFLAGS_SUPPORT
44 52
45 config CPU_BIG_ENDIAN !! 53 config SPARC32
46 def_bool y !! 54 def_bool !64BIT
47 !! 55 select ARCH_32BIT_OFF_T
48 config MMU !! 56 select ARCH_HAS_CPU_FINALIZE_INIT if !SMP
49 def_bool y !! 57 select ARCH_HAS_SYNC_DMA_FOR_CPU
50 !! 58 select CLZ_TAB
51 config GENERIC_HWEIGHT !! 59 select DMA_DIRECT_REMAP
52 def_bool y !! 60 select GENERIC_ATOMIC64
>> 61 select GENERIC_LIB_CMPDI2
>> 62 select GENERIC_LIB_UCMPDI2
>> 63 select HAVE_UID16
>> 64 select HAVE_PAGE_SIZE_4KB
>> 65 select LOCK_MM_AND_FIND_VMA
>> 66 select OLD_SIGACTION
>> 67 select ZONE_DMA
>> 68
>> 69 config SPARC64
>> 70 def_bool 64BIT
>> 71 select ALTERNATE_USER_ADDRESS_SPACE
>> 72 select HAVE_FUNCTION_TRACER
>> 73 select HAVE_FUNCTION_GRAPH_TRACER
>> 74 select HAVE_KRETPROBES
>> 75 select HAVE_KPROBES
>> 76 select MMU_GATHER_RCU_TABLE_FREE if SMP
>> 77 select MMU_GATHER_MERGE_VMAS
>> 78 select MMU_GATHER_NO_FLUSH_CACHE
>> 79 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
>> 80 select HAVE_DYNAMIC_FTRACE
>> 81 select HAVE_FTRACE_MCOUNT_RECORD
>> 82 select HAVE_PAGE_SIZE_8KB
>> 83 select HAVE_SYSCALL_TRACEPOINTS
>> 84 select HAVE_CONTEXT_TRACKING_USER
>> 85 select HAVE_TIF_NOHZ
>> 86 select HAVE_DEBUG_KMEMLEAK
>> 87 select IOMMU_HELPER
>> 88 select SPARSE_IRQ
>> 89 select RTC_DRV_CMOS
>> 90 select RTC_DRV_BQ4802
>> 91 select RTC_DRV_SUN4V
>> 92 select RTC_DRV_STARFIRE
>> 93 select HAVE_PERF_EVENTS
>> 94 select PERF_USE_VMALLOC
>> 95 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 96 select HAVE_C_RECORDMCOUNT
>> 97 select HAVE_ARCH_AUDITSYSCALL
>> 98 select ARCH_SUPPORTS_ATOMIC_RMW
>> 99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 100 select HAVE_NMI
>> 101 select HAVE_REGS_AND_STACK_ACCESS_API
>> 102 select ARCH_USE_QUEUED_RWLOCKS
>> 103 select ARCH_USE_QUEUED_SPINLOCKS
>> 104 select GENERIC_TIME_VSYSCALL
>> 105 select ARCH_CLOCKSOURCE_DATA
>> 106 select ARCH_HAS_PTE_SPECIAL
>> 107 select PCI_DOMAINS if PCI
>> 108 select ARCH_HAS_GIGANTIC_PAGE
>> 109 select HAVE_SOFTIRQ_ON_OWN_STACK
>> 110 select HAVE_SETUP_PER_CPU_AREA
>> 111 select NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 112 select NEED_PER_CPU_PAGE_FIRST_CHUNK
53 113
54 config NO_IOPORT_MAP !! 114 config ARCH_PROC_KCORE_TEXT
55 def_bool y 115 def_bool y
56 116
57 # For now, use generic checksum functions !! 117 config CPU_BIG_ENDIAN
58 #These can be reimplemented in assembly later <<
59 config GENERIC_CSUM <<
60 def_bool y 118 def_bool y
61 119
62 config STACKTRACE_SUPPORT 120 config STACKTRACE_SUPPORT
63 def_bool y !! 121 bool
>> 122 default y if SPARC64
64 123
65 config LOCKDEP_SUPPORT 124 config LOCKDEP_SUPPORT
66 def_bool y !! 125 bool
>> 126 default y if SPARC64
67 127
68 menu "Processor type and features" !! 128 config ARCH_HIBERNATION_POSSIBLE
>> 129 def_bool y if SPARC64
69 130
70 choice !! 131 config AUDIT_ARCH
71 prompt "Subarchitecture" !! 132 bool
72 default OR1K_1200 !! 133 default y
73 134
74 config OR1K_1200 !! 135 config MMU
75 bool "OR1200" !! 136 bool
76 help !! 137 default y
77 Generic OpenRISC 1200 architecture <<
78 138
79 endchoice !! 139 config HIGHMEM
>> 140 bool
>> 141 default y if SPARC32
>> 142 select KMAP_LOCAL
>> 143
>> 144 config PGTABLE_LEVELS
>> 145 default 4 if 64BIT
>> 146 default 3
80 147
81 config DCACHE_WRITETHROUGH !! 148 config ARCH_SUPPORTS_UPROBES
82 bool "Have write through data caches" !! 149 def_bool y if SPARC64
83 default n !! 150
>> 151 menu "Processor type and features"
>> 152
>> 153 config SMP
>> 154 bool "Symmetric multi-processing support"
84 help 155 help
85 Select this if your implementation f !! 156 This enables support for systems with more than one CPU. If you have
86 Selecting 'N' here will allow the ke !! 157 a system with only one CPU, say N. If you have a system with more
87 caches at relevant times. Most OpenR !! 158 than one CPU, say Y.
88 through data caches. <<
89 159
90 If unsure say N here !! 160 If you say N here, the kernel will run on uni- and multiprocessor
>> 161 machines, but will use only one CPU of a multiprocessor machine. If
>> 162 you say Y here, the kernel will run on many, but not all,
>> 163 uniprocessor machines. On a uniprocessor machine, the kernel
>> 164 will run faster if you say N here.
>> 165
>> 166 People using multiprocessor machines who say Y here should also say
>> 167 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
>> 168 Management" code will be disabled if you say Y here.
91 169
92 config OPENRISC_BUILTIN_DTB !! 170 See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
93 string "Builtin DTB" !! 171 available at <https://www.tldp.org/docs.html#howto>.
94 default "" <<
95 172
96 menu "Class II Instructions" !! 173 If you don't know what to do here, say N.
97 174
98 config OPENRISC_HAVE_INST_FF1 !! 175 config NR_CPUS
99 bool "Have instruction l.ff1" !! 176 int "Maximum number of CPUs"
100 default y !! 177 depends on SMP
101 help !! 178 range 2 32 if SPARC32
102 Select this if your implementation h !! 179 range 2 4096 if SPARC64
>> 180 default 32 if SPARC32
>> 181 default 4096 if SPARC64
103 182
104 config OPENRISC_HAVE_INST_FL1 !! 183 source "kernel/Kconfig.hz"
105 bool "Have instruction l.fl1" <<
106 default y <<
107 help <<
108 Select this if your implementation h <<
109 184
110 config OPENRISC_HAVE_INST_MUL !! 185 config GENERIC_HWEIGHT
111 bool "Have instruction l.mul for hardw !! 186 bool
112 default y 187 default y
113 help <<
114 Select this if your implementation h <<
115 188
116 config OPENRISC_HAVE_INST_DIV !! 189 config GENERIC_CALIBRATE_DELAY
117 bool "Have instruction l.div for hardw !! 190 bool
118 default y 191 default y
119 help <<
120 Select this if your implementation h <<
121 192
122 config OPENRISC_HAVE_INST_CMOV !! 193 config ARCH_MAY_HAVE_PC_FDC
123 bool "Have instruction l.cmov for cond !! 194 bool
124 default n !! 195 default y
125 help <<
126 This config enables gcc to generate <<
127 the kernel which in general will imp <<
128 binary size. <<
129 196
130 Select this if your implementation h !! 197 config EMULATED_CMPXCHG
131 l.cmov conistional move instruction. !! 198 bool
>> 199 default y if SPARC32
>> 200 help
>> 201 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
>> 202 is emulated, and therefore it is not completely atomic.
>> 203
>> 204 # Makefile helpers
>> 205 config SPARC32_SMP
>> 206 bool
>> 207 default y
>> 208 depends on SPARC32 && SMP
132 209
133 Say N if you are unsure. !! 210 config SPARC64_SMP
>> 211 bool
>> 212 default y
>> 213 depends on SPARC64 && SMP
134 214
135 config OPENRISC_HAVE_INST_ROR !! 215 config EARLYFB
136 bool "Have instruction l.ror for rotat !! 216 bool "Support for early boot text console"
137 default n !! 217 default y
>> 218 depends on SPARC64
>> 219 select FONT_SUN8x16
>> 220 select FONT_SUPPORT
>> 221 help
>> 222 Say Y here to enable a faster early framebuffer boot console.
>> 223
>> 224 config HOTPLUG_CPU
>> 225 bool "Support for hot-pluggable CPUs"
>> 226 depends on SPARC64 && SMP
>> 227 help
>> 228 Say Y here to experiment with turning CPUs off and on. CPUs
>> 229 can be controlled through /sys/devices/system/cpu/cpu#.
>> 230 Say N if you want to disable CPU hotplug.
>> 231
>> 232 if SPARC64
>> 233 source "drivers/cpufreq/Kconfig"
>> 234 endif
>> 235
>> 236 config US3_MC
>> 237 tristate "UltraSPARC-III Memory Controller driver"
>> 238 depends on SPARC64
>> 239 default y
138 help 240 help
139 This config enables gcc to generate !! 241 This adds a driver for the UltraSPARC-III memory controller.
140 the kernel which in general will imp !! 242 Loading this driver allows exact mnemonic strings to be
141 binary size. !! 243 printed in the event of a memory error, so that the faulty DIMM
142 !! 244 on the motherboard can be matched to the error.
143 Select this if your implementation h !! 245
144 l.ror rotate right instruction. !! 246 If in doubt, say Y, as this information can be very useful.
145 !! 247
146 Say N if you are unsure. !! 248 # Global things across all Sun machines.
>> 249 config GENERIC_LOCKBREAK
>> 250 bool
>> 251 default y
>> 252 depends on SPARC64 && SMP && PREEMPTION
147 253
148 config OPENRISC_HAVE_INST_RORI !! 254 config NUMA
149 bool "Have instruction l.rori for rota !! 255 bool "NUMA support"
150 default n !! 256 depends on SPARC64 && SMP
>> 257
>> 258 config NODES_SHIFT
>> 259 int "Maximum NUMA Nodes (as a power of 2)"
>> 260 range 4 5 if SPARC64
>> 261 default "5"
>> 262 depends on NUMA
>> 263 help
>> 264 Specify the maximum number of NUMA Nodes available on the target
>> 265 system. Increases memory reserved to accommodate various tables.
>> 266
>> 267 config ARCH_SPARSEMEM_ENABLE
>> 268 def_bool y if SPARC64
>> 269 select SPARSEMEM_VMEMMAP_ENABLE
>> 270
>> 271 config ARCH_SPARSEMEM_DEFAULT
>> 272 def_bool y if SPARC64
>> 273
>> 274 config ARCH_FORCE_MAX_ORDER
>> 275 int "Order of maximal physically contiguous allocations"
>> 276 default "12"
>> 277 help
>> 278 The kernel page allocator limits the size of maximal physically
>> 279 contiguous allocations. The limit is called MAX_PAGE_ORDER and it
>> 280 defines the maximal power of two of number of pages that can be
>> 281 allocated as a single contiguous block. This option allows
>> 282 overriding the default setting when ability to allocate very
>> 283 large blocks of physically contiguous memory is required.
>> 284
>> 285 Don't change if unsure.
>> 286
>> 287 if SPARC64 || COMPILE_TEST
>> 288 source "kernel/power/Kconfig"
>> 289 endif
>> 290
>> 291 config SCHED_SMT
>> 292 bool "SMT (Hyperthreading) scheduler support"
>> 293 depends on SPARC64 && SMP
>> 294 default y
151 help 295 help
152 This config enables gcc to generate !! 296 SMT scheduler support improves the CPU scheduler's decision making
153 the kernel which in general will imp !! 297 when dealing with SPARC cpus at a cost of slightly increased overhead
154 binary size. !! 298 in some places. If unsure say N here.
155 !! 299
156 Select this if your implementation h !! 300 config SCHED_MC
157 l.rori rotate right with immediate i !! 301 bool "Multi-core scheduler support"
158 !! 302 depends on SPARC64 && SMP
159 Say N if you are unsure. !! 303 default y
160 <<
161 config OPENRISC_HAVE_INST_SEXT <<
162 bool "Have instructions l.ext* for sig <<
163 default n <<
164 help 304 help
165 This config enables gcc to generate !! 305 Multi-core scheduler support improves the CPU scheduler's decision
166 the kernel which in general will imp !! 306 making when dealing with multi-core CPU chips at a cost of slightly
167 binary size. !! 307 increased overhead in some places. If unsure say N here.
>> 308
>> 309 config CMDLINE_BOOL
>> 310 bool "Default bootloader kernel arguments"
>> 311 depends on SPARC64
168 312
169 Select this if your implementation h !! 313 config CMDLINE
170 l.exths, l.extbs, l.exthz and l.extb !! 314 string "Initial kernel command string"
>> 315 depends on CMDLINE_BOOL
>> 316 default "console=ttyS0,9600 root=/dev/sda1"
>> 317 help
>> 318 Say Y here if you want to be able to pass default arguments to
>> 319 the kernel. This will be overridden by the bootloader, if you
>> 320 use one (such as SILO). This is most useful if you want to boot
>> 321 a kernel from TFTP, and want default options to be available
>> 322 with having them passed on the command line.
>> 323
>> 324 NOTE: This option WILL override the PROM bootargs setting!
>> 325
>> 326 config SUN_PM
>> 327 bool
>> 328 default y if SPARC32
>> 329 help
>> 330 Enable power management and CPU standby features on supported
>> 331 SPARC platforms.
>> 332
>> 333 config SPARC_LED
>> 334 tristate "Sun4m LED driver"
>> 335 depends on SPARC32
>> 336 help
>> 337 This driver toggles the front-panel LED on sun4m systems
>> 338 in a user-specifiable manner. Its state can be probed
>> 339 by reading /proc/led and its blinking mode can be changed
>> 340 via writes to /proc/led
>> 341
>> 342 config SERIAL_CONSOLE
>> 343 bool
>> 344 depends on SPARC32
>> 345 default y
>> 346 help
>> 347 If you say Y here, it will be possible to use a serial port as the
>> 348 system console (the system console is the device which receives all
>> 349 kernel messages and warnings and which allows logins in single user
>> 350 mode). This could be useful if some terminal or printer is connected
>> 351 to that serial port.
>> 352
>> 353 Even if you say Y here, the currently visible virtual console
>> 354 (/dev/tty0) will still be used as the system console by default, but
>> 355 you can alter that using a kernel command line option such as
>> 356 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 357 your boot loader (silo) about how to pass options to the kernel at
>> 358 boot time.)
>> 359
>> 360 If you don't have a graphics card installed and you say Y here, the
>> 361 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 362 system console.
>> 363
>> 364 If unsure, say N.
>> 365
>> 366 config SPARC_LEON
>> 367 bool "Sparc Leon processor family"
>> 368 depends on SPARC32
>> 369 select USB_EHCI_BIG_ENDIAN_MMIO
>> 370 select USB_EHCI_BIG_ENDIAN_DESC
>> 371 select USB_UHCI_BIG_ENDIAN_MMIO
>> 372 select USB_UHCI_BIG_ENDIAN_DESC
>> 373 help
>> 374 If you say Y here if you are running on a SPARC-LEON processor.
>> 375 The LEON processor is a synthesizable VHDL model of the
>> 376 SPARC-v8 standard. LEON is part of the GRLIB collection of
>> 377 IP cores that are distributed under GPL. GRLIB can be downloaded
>> 378 from www.gaisler.com. You can download a sparc-linux cross-compilation
>> 379 toolchain at www.gaisler.com.
>> 380
>> 381 if SPARC_LEON
>> 382 menu "U-Boot options"
>> 383
>> 384 config UBOOT_LOAD_ADDR
>> 385 hex "uImage Load Address"
>> 386 default 0x40004000
>> 387 help
>> 388 U-Boot kernel load address, the address in physical address space
>> 389 where u-boot will place the Linux kernel before booting it.
>> 390 This address is normally the base address of main memory + 0x4000.
>> 391
>> 392 config UBOOT_FLASH_ADDR
>> 393 hex "uImage.o Load Address"
>> 394 default 0x00080000
>> 395 help
>> 396 Optional setting only affecting the uImage.o ELF-image used to
>> 397 download the uImage file to the target using a ELF-loader other than
>> 398 U-Boot. It may for example be used to download an uImage to FLASH with
>> 399 the GRMON utility before even starting u-boot.
>> 400
>> 401 config UBOOT_ENTRY_ADDR
>> 402 hex "uImage Entry Address"
>> 403 default 0xf0004000
>> 404 help
>> 405 Do not change this unless you know what you're doing. This is
>> 406 hardcoded by the SPARC32 and LEON port.
171 407
172 Say N if you are unsure. !! 408 This is the virtual address u-boot jumps to when booting the Linux
>> 409 Kernel.
173 410
174 endmenu 411 endmenu
>> 412 endif
175 413
176 config NR_CPUS !! 414 endmenu
177 int "Maximum number of CPUs (2-32)" <<
178 range 2 32 <<
179 depends on SMP <<
180 default "2" <<
181 <<
182 config SMP <<
183 bool "Symmetric Multi-Processing suppo <<
184 help <<
185 This enables support for systems wit <<
186 a system with only one CPU, say N. I <<
187 than one CPU, say Y. <<
188 415
189 If you don't know what to do here, s !! 416 menu "Bus options (PCI etc.)"
>> 417 config SBUS
>> 418 bool
>> 419 default y
190 420
191 config FPU !! 421 config SBUSCHAR
192 bool "FPU support" !! 422 bool
193 default y 423 default y
194 help <<
195 Say N here if you want to disable al <<
196 in the kernel and reduce binary size <<
197 424
198 If you don't know what to do here, s !! 425 config SUN_LDOMS
>> 426 bool "Sun Logical Domains support"
>> 427 depends on SPARC64
>> 428 help
>> 429 Say Y here is you want to support virtual devices via
>> 430 Logical Domains.
>> 431
>> 432 config PCIC_PCI
>> 433 bool
>> 434 depends on PCI && SPARC32 && !SPARC_LEON
>> 435 default y
199 436
200 source "kernel/Kconfig.hz" !! 437 config LEON_PCI
>> 438 bool
>> 439 depends on PCI && SPARC_LEON
>> 440 default y
201 441
202 config OPENRISC_NO_SPR_SR_DSX !! 442 config SPARC_GRPCI1
203 bool "use SPR_SR_DSX software emulatio !! 443 bool "GRPCI Host Bridge Support"
>> 444 depends on LEON_PCI
204 default y 445 default y
205 help 446 help
206 SPR_SR_DSX bit is status register bi !! 447 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
207 the last exception has happened in d !! 448 PCI host controller is typically found in GRLIB SPARC32/LEON
208 !! 449 systems. The driver has one property (all_pci_errors) controlled
209 OpenRISC architecture makes it optio !! 450 from the bootloader that makes the GRPCI to generate interrupts
210 in hardware and the OR1200 does not !! 451 on detected PCI Parity and System errors.
211 !! 452
212 Say N here if you know that your Ope !! 453 config SPARC_GRPCI2
213 SPR_SR_DSX bit implemented. Say Y if !! 454 bool "GRPCI2 Host Bridge Support"
214 !! 455 depends on LEON_PCI
215 config OPENRISC_HAVE_SHADOW_GPRS !! 456 default y
216 bool "Support for shadow gpr files" if <<
217 default y if SMP <<
218 help 457 help
219 Say Y here if your OpenRISC processo !! 458 Say Y here to include the GRPCI2 Host Bridge Driver.
220 register files. They will in such ca <<
221 scratch reg storage on exception ent <<
222 459
223 On SMP systems, this feature is mand !! 460 config SUN_OPENPROMFS
224 On a unicore system it's safe to say !! 461 tristate "Openprom tree appears in /proc/openprom"
225 <<
226 config CMDLINE <<
227 string "Default kernel command string" <<
228 default "" <<
229 help 462 help
230 On some architectures there is curre !! 463 If you say Y, the OpenPROM device tree will be available as a
231 to pass arguments to the kernel. For !! 464 virtual file system, which you can mount to /proc/openprom by "mount
232 supply some command-line options at !! 465 -t openpromfs none /proc/openprom".
233 here. <<
234 <<
235 menu "Debugging options" <<
236 466
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 467 To compile the /proc/openprom support as a module, choose M here: the
238 bool "Try to die gracefully" !! 468 module will be called openpromfs.
239 default y <<
240 help <<
241 Now this puts kernel into infinite l <<
242 your kernel crashes this doesn't hav <<
243 469
244 Say Y if you are unsure. !! 470 Only choose N if you know in advance that you will not need to modify
>> 471 OpenPROM settings on the running system.
245 472
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 473 # Makefile helpers
247 bool "Check for possible ESR exception !! 474 config SPARC64_PCI
248 default n !! 475 bool
249 help !! 476 default y
250 This option enables some checks that !! 477 depends on SPARC64 && PCI
251 in kernel. <<
252 478
253 Say N if you are unsure. !! 479 config SPARC64_PCI_MSI
>> 480 bool
>> 481 default y
>> 482 depends on SPARC64_PCI && PCI_MSI
254 483
255 endmenu 484 endmenu
256 485
257 endmenu !! 486 config COMPAT
>> 487 bool
>> 488 depends on SPARC64
>> 489 default y
>> 490 select HAVE_UID16
>> 491 select ARCH_WANT_OLD_COMPAT_IPC
>> 492 select COMPAT_OLD_SIGACTION
>> 493
>> 494 source "drivers/sbus/char/Kconfig"
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