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_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
>> 17 select ARCH_MIGHT_HAVE_PC_SERIO
>> 18 select DMA_OPS
14 select OF 19 select OF
15 select OF_EARLY_FLATTREE !! 20 select OF_PROMTREE
16 select IRQ_DOMAIN !! 21 select HAVE_ASM_MODVERSIONS
17 select GPIOLIB !! 22 select HAVE_ARCH_KGDB if !SMP || SPARC64
18 select HAVE_ARCH_TRACEHOOK 23 select HAVE_ARCH_TRACEHOOK
19 select SPARSE_IRQ !! 24 select HAVE_ARCH_SECCOMP if SPARC64
20 select GENERIC_IRQ_CHIP !! 25 select HAVE_EXIT_THREAD
21 select GENERIC_IRQ_PROBE !! 26 select HAVE_PCI
>> 27 select SYSCTL_EXCEPTION_TRACE
>> 28 select RTC_CLASS
>> 29 select RTC_DRV_M48T59
>> 30 select RTC_SYSTOHC
>> 31 select HAVE_ARCH_JUMP_LABEL if SPARC64
22 select GENERIC_IRQ_SHOW 32 select GENERIC_IRQ_SHOW
>> 33 select ARCH_WANT_IPC_PARSE_VERSION
23 select GENERIC_PCI_IOMAP 34 select GENERIC_PCI_IOMAP
24 select GENERIC_IOREMAP !! 35 select HAVE_NMI_WATCHDOG if SPARC64
25 select GENERIC_CPU_DEVICES !! 36 select HAVE_CBPF_JIT if SPARC32
26 select HAVE_PCI !! 37 select HAVE_EBPF_JIT if SPARC64
27 select HAVE_UID16 !! 38 select HAVE_DEBUG_BUGVERBOSE
28 select HAVE_PAGE_SIZE_8KB <<
29 select GENERIC_ATOMIC64 <<
30 select GENERIC_CLOCKEVENTS_BROADCAST <<
31 select GENERIC_SMP_IDLE_THREAD 39 select GENERIC_SMP_IDLE_THREAD
32 select MODULES_USE_ELF_RELA 40 select MODULES_USE_ELF_RELA
33 select HAVE_DEBUG_STACKOVERFLOW !! 41 select PCI_SYSCALL if PCI
34 select OR1K_PIC !! 42 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
35 select CPU_NO_EFFICIENT_FFS if !OPENRI !! 43 select ODD_RT_SIGACTION
36 select ARCH_USE_QUEUED_RWLOCKS !! 44 select OLD_SIGSUSPEND
37 select OMPIC if SMP !! 45 select CPU_NO_EFFICIENT_FFS
38 select PCI_DOMAINS_GENERIC if PCI !! 46 select LOCKDEP_SMALL if LOCKDEP
39 select PCI_MSI if PCI !! 47 select NEED_DMA_MAP_STATE
40 select ARCH_WANT_FRAME_POINTERS !! 48 select NEED_SG_DMA_LENGTH
41 select GENERIC_IRQ_MULTI_HANDLER !! 49 select SET_FS
42 select MMU_GATHER_NO_RANGE if MMU <<
43 select TRACE_IRQFLAGS_SUPPORT 50 select TRACE_IRQFLAGS_SUPPORT
44 51
45 config CPU_BIG_ENDIAN !! 52 config SPARC32
46 def_bool y !! 53 def_bool !64BIT
>> 54 select ARCH_32BIT_OFF_T
>> 55 select ARCH_HAS_CPU_FINALIZE_INIT if !SMP
>> 56 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 57 select GENERIC_ATOMIC64
>> 58 select CLZ_TAB
>> 59 select HAVE_UID16
>> 60 select OLD_SIGACTION
>> 61 select ZONE_DMA
47 62
48 config MMU !! 63 config SPARC64
49 def_bool y !! 64 def_bool 64BIT
>> 65 select HAVE_FUNCTION_TRACER
>> 66 select HAVE_FUNCTION_GRAPH_TRACER
>> 67 select HAVE_KRETPROBES
>> 68 select HAVE_KPROBES
>> 69 select MMU_GATHER_RCU_TABLE_FREE if SMP
>> 70 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
>> 71 select HAVE_DYNAMIC_FTRACE
>> 72 select HAVE_FTRACE_MCOUNT_RECORD
>> 73 select HAVE_SYSCALL_TRACEPOINTS
>> 74 select HAVE_CONTEXT_TRACKING
>> 75 select HAVE_TIF_NOHZ
>> 76 select HAVE_DEBUG_KMEMLEAK
>> 77 select IOMMU_HELPER
>> 78 select SPARSE_IRQ
>> 79 select RTC_DRV_CMOS
>> 80 select RTC_DRV_BQ4802
>> 81 select RTC_DRV_SUN4V
>> 82 select RTC_DRV_STARFIRE
>> 83 select HAVE_PERF_EVENTS
>> 84 select PERF_USE_VMALLOC
>> 85 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 86 select HAVE_C_RECORDMCOUNT
>> 87 select HAVE_ARCH_AUDITSYSCALL
>> 88 select ARCH_SUPPORTS_ATOMIC_RMW
>> 89 select ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 90 select HAVE_NMI
>> 91 select HAVE_REGS_AND_STACK_ACCESS_API
>> 92 select ARCH_USE_QUEUED_RWLOCKS
>> 93 select ARCH_USE_QUEUED_SPINLOCKS
>> 94 select GENERIC_TIME_VSYSCALL
>> 95 select ARCH_CLOCKSOURCE_DATA
>> 96 select ARCH_HAS_PTE_SPECIAL
>> 97 select PCI_DOMAINS if PCI
>> 98 select ARCH_HAS_GIGANTIC_PAGE
>> 99 select HAVE_SOFTIRQ_ON_OWN_STACK
50 100
51 config GENERIC_HWEIGHT !! 101 config ARCH_PROC_KCORE_TEXT
52 def_bool y 102 def_bool y
53 103
54 config NO_IOPORT_MAP !! 104 config CPU_BIG_ENDIAN
55 def_bool y 105 def_bool y
56 106
57 # For now, use generic checksum functions !! 107 config ARCH_ATU
58 #These can be reimplemented in assembly later !! 108 bool
59 config GENERIC_CSUM !! 109 default y if SPARC64
60 def_bool y <<
61 110
62 config STACKTRACE_SUPPORT 111 config STACKTRACE_SUPPORT
63 def_bool y !! 112 bool
>> 113 default y if SPARC64
64 114
65 config LOCKDEP_SUPPORT 115 config LOCKDEP_SUPPORT
66 def_bool y !! 116 bool
>> 117 default y if SPARC64
67 118
68 menu "Processor type and features" !! 119 config ARCH_HIBERNATION_POSSIBLE
>> 120 def_bool y if SPARC64
69 121
70 choice !! 122 config AUDIT_ARCH
71 prompt "Subarchitecture" !! 123 bool
72 default OR1K_1200 !! 124 default y
73 125
74 config OR1K_1200 !! 126 config HAVE_SETUP_PER_CPU_AREA
75 bool "OR1200" !! 127 def_bool y if SPARC64
76 help <<
77 Generic OpenRISC 1200 architecture <<
78 128
79 endchoice !! 129 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 130 def_bool y if SPARC64
80 131
81 config DCACHE_WRITETHROUGH !! 132 config NEED_PER_CPU_PAGE_FIRST_CHUNK
82 bool "Have write through data caches" !! 133 def_bool y if SPARC64
83 default n <<
84 help <<
85 Select this if your implementation f <<
86 Selecting 'N' here will allow the ke <<
87 caches at relevant times. Most OpenR <<
88 through data caches. <<
89 134
90 If unsure say N here !! 135 config MMU
>> 136 bool
>> 137 default y
91 138
92 config OPENRISC_BUILTIN_DTB !! 139 config HIGHMEM
93 string "Builtin DTB" !! 140 bool
94 default "" !! 141 default y if SPARC32
>> 142 select KMAP_LOCAL
>> 143
>> 144 config GENERIC_ISA_DMA
>> 145 bool
>> 146 default y if SPARC32
>> 147
>> 148 config PGTABLE_LEVELS
>> 149 default 4 if 64BIT
>> 150 default 3
95 151
96 menu "Class II Instructions" !! 152 config ARCH_SUPPORTS_UPROBES
>> 153 def_bool y if SPARC64
97 154
98 config OPENRISC_HAVE_INST_FF1 !! 155 menu "Processor type and features"
99 bool "Have instruction l.ff1" <<
100 default y <<
101 help <<
102 Select this if your implementation h <<
103 156
104 config OPENRISC_HAVE_INST_FL1 !! 157 config SMP
105 bool "Have instruction l.fl1" !! 158 bool "Symmetric multi-processing support"
106 default y <<
107 help 159 help
108 Select this if your implementation h !! 160 This enables support for systems with more than one CPU. If you have
>> 161 a system with only one CPU, say N. If you have a system with more
>> 162 than one CPU, say Y.
109 163
110 config OPENRISC_HAVE_INST_MUL !! 164 If you say N here, the kernel will run on uni- and multiprocessor
111 bool "Have instruction l.mul for hardw !! 165 machines, but will use only one CPU of a multiprocessor machine. If
>> 166 you say Y here, the kernel will run on many, but not all,
>> 167 uniprocessor machines. On a uniprocessor machine, the kernel
>> 168 will run faster if you say N here.
>> 169
>> 170 People using multiprocessor machines who say Y here should also say
>> 171 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
>> 172 Management" code will be disabled if you say Y here.
>> 173
>> 174 See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
>> 175 available at <https://www.tldp.org/docs.html#howto>.
>> 176
>> 177 If you don't know what to do here, say N.
>> 178
>> 179 config NR_CPUS
>> 180 int "Maximum number of CPUs"
>> 181 depends on SMP
>> 182 range 2 32 if SPARC32
>> 183 range 2 4096 if SPARC64
>> 184 default 32 if SPARC32
>> 185 default 4096 if SPARC64
>> 186
>> 187 source "kernel/Kconfig.hz"
>> 188
>> 189 config GENERIC_HWEIGHT
>> 190 bool
112 default y 191 default y
113 help <<
114 Select this if your implementation h <<
115 192
116 config OPENRISC_HAVE_INST_DIV !! 193 config GENERIC_CALIBRATE_DELAY
117 bool "Have instruction l.div for hardw !! 194 bool
118 default y 195 default y
119 help <<
120 Select this if your implementation h <<
121 196
122 config OPENRISC_HAVE_INST_CMOV !! 197 config ARCH_MAY_HAVE_PC_FDC
123 bool "Have instruction l.cmov for cond !! 198 bool
124 default n !! 199 default y
125 help <<
126 This config enables gcc to generate <<
127 the kernel which in general will imp <<
128 binary size. <<
129 200
130 Select this if your implementation h !! 201 config EMULATED_CMPXCHG
131 l.cmov conistional move instruction. !! 202 bool
>> 203 default y if SPARC32
>> 204 help
>> 205 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
>> 206 is emulated, and therefore it is not completely atomic.
>> 207
>> 208 # Makefile helpers
>> 209 config SPARC32_SMP
>> 210 bool
>> 211 default y
>> 212 depends on SPARC32 && SMP
132 213
133 Say N if you are unsure. !! 214 config SPARC64_SMP
>> 215 bool
>> 216 default y
>> 217 depends on SPARC64 && SMP
134 218
135 config OPENRISC_HAVE_INST_ROR !! 219 config EARLYFB
136 bool "Have instruction l.ror for rotat !! 220 bool "Support for early boot text console"
137 default n !! 221 default y
>> 222 depends on SPARC64
138 help 223 help
139 This config enables gcc to generate !! 224 Say Y here to enable a faster early framebuffer boot console.
140 the kernel which in general will imp <<
141 binary size. <<
142 <<
143 Select this if your implementation h <<
144 l.ror rotate right instruction. <<
145 225
146 Say N if you are unsure. !! 226 config HOTPLUG_CPU
147 !! 227 bool "Support for hot-pluggable CPUs"
148 config OPENRISC_HAVE_INST_RORI !! 228 depends on SPARC64 && SMP
149 bool "Have instruction l.rori for rota <<
150 default n <<
151 help 229 help
152 This config enables gcc to generate !! 230 Say Y here to experiment with turning CPUs off and on. CPUs
153 the kernel which in general will imp !! 231 can be controlled through /sys/devices/system/cpu/cpu#.
154 binary size. !! 232 Say N if you want to disable CPU hotplug.
155 233
156 Select this if your implementation h !! 234 if SPARC64
157 l.rori rotate right with immediate i !! 235 source "drivers/cpufreq/Kconfig"
>> 236 endif
158 237
159 Say N if you are unsure. !! 238 config US3_MC
>> 239 tristate "UltraSPARC-III Memory Controller driver"
>> 240 depends on SPARC64
>> 241 default y
>> 242 help
>> 243 This adds a driver for the UltraSPARC-III memory controller.
>> 244 Loading this driver allows exact mnemonic strings to be
>> 245 printed in the event of a memory error, so that the faulty DIMM
>> 246 on the motherboard can be matched to the error.
>> 247
>> 248 If in doubt, say Y, as this information can be very useful.
>> 249
>> 250 # Global things across all Sun machines.
>> 251 config GENERIC_LOCKBREAK
>> 252 bool
>> 253 default y
>> 254 depends on SPARC64 && SMP && PREEMPTION
160 255
161 config OPENRISC_HAVE_INST_SEXT !! 256 config NUMA
162 bool "Have instructions l.ext* for sig !! 257 bool "NUMA support"
163 default n !! 258 depends on SPARC64 && SMP
>> 259
>> 260 config NODES_SHIFT
>> 261 int "Maximum NUMA Nodes (as a power of 2)"
>> 262 range 4 5 if SPARC64
>> 263 default "5"
>> 264 depends on NUMA
>> 265 help
>> 266 Specify the maximum number of NUMA Nodes available on the target
>> 267 system. Increases memory reserved to accommodate various tables.
>> 268
>> 269 config ARCH_SPARSEMEM_ENABLE
>> 270 def_bool y if SPARC64
>> 271 select SPARSEMEM_VMEMMAP_ENABLE
>> 272
>> 273 config ARCH_SPARSEMEM_DEFAULT
>> 274 def_bool y if SPARC64
>> 275
>> 276 config FORCE_MAX_ZONEORDER
>> 277 int "Maximum zone order"
>> 278 default "13"
>> 279 help
>> 280 The kernel memory allocator divides physically contiguous memory
>> 281 blocks into "zones", where each zone is a power of two number of
>> 282 pages. This option selects the largest power of two that the kernel
>> 283 keeps in the memory allocator. If you need to allocate very large
>> 284 blocks of physically contiguous memory, then you may need to
>> 285 increase this value.
>> 286
>> 287 This config option is actually maximum order plus one. For example,
>> 288 a value of 13 means that the largest free memory block is 2^12 pages.
>> 289
>> 290 if SPARC64 || COMPILE_TEST
>> 291 source "kernel/power/Kconfig"
>> 292 endif
>> 293
>> 294 config SCHED_SMT
>> 295 bool "SMT (Hyperthreading) scheduler support"
>> 296 depends on SPARC64 && SMP
>> 297 default y
>> 298 help
>> 299 SMT scheduler support improves the CPU scheduler's decision making
>> 300 when dealing with SPARC cpus at a cost of slightly increased overhead
>> 301 in some places. If unsure say N here.
>> 302
>> 303 config SCHED_MC
>> 304 bool "Multi-core scheduler support"
>> 305 depends on SPARC64 && SMP
>> 306 default y
164 help 307 help
165 This config enables gcc to generate !! 308 Multi-core scheduler support improves the CPU scheduler's decision
166 the kernel which in general will imp !! 309 making when dealing with multi-core CPU chips at a cost of slightly
167 binary size. !! 310 increased overhead in some places. If unsure say N here.
>> 311
>> 312 config CMDLINE_BOOL
>> 313 bool "Default bootloader kernel arguments"
>> 314 depends on SPARC64
168 315
169 Select this if your implementation h !! 316 config CMDLINE
170 l.exths, l.extbs, l.exthz and l.extb !! 317 string "Initial kernel command string"
>> 318 depends on CMDLINE_BOOL
>> 319 default "console=ttyS0,9600 root=/dev/sda1"
>> 320 help
>> 321 Say Y here if you want to be able to pass default arguments to
>> 322 the kernel. This will be overridden by the bootloader, if you
>> 323 use one (such as SILO). This is most useful if you want to boot
>> 324 a kernel from TFTP, and want default options to be available
>> 325 with having them passed on the command line.
>> 326
>> 327 NOTE: This option WILL override the PROM bootargs setting!
>> 328
>> 329 config SUN_PM
>> 330 bool
>> 331 default y if SPARC32
>> 332 help
>> 333 Enable power management and CPU standby features on supported
>> 334 SPARC platforms.
>> 335
>> 336 config SPARC_LED
>> 337 tristate "Sun4m LED driver"
>> 338 depends on SPARC32
>> 339 help
>> 340 This driver toggles the front-panel LED on sun4m systems
>> 341 in a user-specifiable manner. Its state can be probed
>> 342 by reading /proc/led and its blinking mode can be changed
>> 343 via writes to /proc/led
>> 344
>> 345 config SERIAL_CONSOLE
>> 346 bool
>> 347 depends on SPARC32
>> 348 default y
>> 349 help
>> 350 If you say Y here, it will be possible to use a serial port as the
>> 351 system console (the system console is the device which receives all
>> 352 kernel messages and warnings and which allows logins in single user
>> 353 mode). This could be useful if some terminal or printer is connected
>> 354 to that serial port.
>> 355
>> 356 Even if you say Y here, the currently visible virtual console
>> 357 (/dev/tty0) will still be used as the system console by default, but
>> 358 you can alter that using a kernel command line option such as
>> 359 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 360 your boot loader (silo) about how to pass options to the kernel at
>> 361 boot time.)
>> 362
>> 363 If you don't have a graphics card installed and you say Y here, the
>> 364 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 365 system console.
>> 366
>> 367 If unsure, say N.
>> 368
>> 369 config SPARC_LEON
>> 370 bool "Sparc Leon processor family"
>> 371 depends on SPARC32
>> 372 select USB_EHCI_BIG_ENDIAN_MMIO
>> 373 select USB_EHCI_BIG_ENDIAN_DESC
>> 374 select USB_UHCI_BIG_ENDIAN_MMIO
>> 375 select USB_UHCI_BIG_ENDIAN_DESC
>> 376 help
>> 377 If you say Y here if you are running on a SPARC-LEON processor.
>> 378 The LEON processor is a synthesizable VHDL model of the
>> 379 SPARC-v8 standard. LEON is part of the GRLIB collection of
>> 380 IP cores that are distributed under GPL. GRLIB can be downloaded
>> 381 from www.gaisler.com. You can download a sparc-linux cross-compilation
>> 382 toolchain at www.gaisler.com.
>> 383
>> 384 if SPARC_LEON
>> 385 menu "U-Boot options"
>> 386
>> 387 config UBOOT_LOAD_ADDR
>> 388 hex "uImage Load Address"
>> 389 default 0x40004000
>> 390 help
>> 391 U-Boot kernel load address, the address in physical address space
>> 392 where u-boot will place the Linux kernel before booting it.
>> 393 This address is normally the base address of main memory + 0x4000.
>> 394
>> 395 config UBOOT_FLASH_ADDR
>> 396 hex "uImage.o Load Address"
>> 397 default 0x00080000
>> 398 help
>> 399 Optional setting only affecting the uImage.o ELF-image used to
>> 400 download the uImage file to the target using a ELF-loader other than
>> 401 U-Boot. It may for example be used to download an uImage to FLASH with
>> 402 the GRMON utility before even starting u-boot.
>> 403
>> 404 config UBOOT_ENTRY_ADDR
>> 405 hex "uImage Entry Address"
>> 406 default 0xf0004000
>> 407 help
>> 408 Do not change this unless you know what you're doing. This is
>> 409 hardcoded by the SPARC32 and LEON port.
171 410
172 Say N if you are unsure. !! 411 This is the virtual address u-boot jumps to when booting the Linux
>> 412 Kernel.
173 413
174 endmenu 414 endmenu
>> 415 endif
175 416
176 config NR_CPUS !! 417 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. <<
188 418
189 If you don't know what to do here, s !! 419 menu "Bus options (PCI etc.)"
>> 420 config SBUS
>> 421 bool
>> 422 default y
190 423
191 config FPU !! 424 config SBUSCHAR
192 bool "FPU support" !! 425 bool
193 default y 426 default y
194 help <<
195 Say N here if you want to disable al <<
196 in the kernel and reduce binary size <<
197 427
198 If you don't know what to do here, s !! 428 config SUN_LDOMS
>> 429 bool "Sun Logical Domains support"
>> 430 depends on SPARC64
>> 431 help
>> 432 Say Y here is you want to support virtual devices via
>> 433 Logical Domains.
>> 434
>> 435 config PCIC_PCI
>> 436 bool
>> 437 depends on PCI && SPARC32 && !SPARC_LEON
>> 438 default y
199 439
200 source "kernel/Kconfig.hz" !! 440 config LEON_PCI
>> 441 bool
>> 442 depends on PCI && SPARC_LEON
>> 443 default y
201 444
202 config OPENRISC_NO_SPR_SR_DSX !! 445 config SPARC_GRPCI1
203 bool "use SPR_SR_DSX software emulatio !! 446 bool "GRPCI Host Bridge Support"
>> 447 depends on LEON_PCI
204 default y 448 default y
205 help 449 help
206 SPR_SR_DSX bit is status register bi !! 450 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
207 the last exception has happened in d !! 451 PCI host controller is typically found in GRLIB SPARC32/LEON
208 !! 452 systems. The driver has one property (all_pci_errors) controlled
209 OpenRISC architecture makes it optio !! 453 from the bootloader that makes the GRPCI to generate interrupts
210 in hardware and the OR1200 does not !! 454 on detected PCI Parity and System errors.
211 !! 455
212 Say N here if you know that your Ope !! 456 config SPARC_GRPCI2
213 SPR_SR_DSX bit implemented. Say Y if !! 457 bool "GRPCI2 Host Bridge Support"
214 !! 458 depends on LEON_PCI
215 config OPENRISC_HAVE_SHADOW_GPRS !! 459 default y
216 bool "Support for shadow gpr files" if <<
217 default y if SMP <<
218 help 460 help
219 Say Y here if your OpenRISC processo !! 461 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 <<
222 462
223 On SMP systems, this feature is mand !! 463 config SUN_OPENPROMFS
224 On a unicore system it's safe to say !! 464 tristate "Openprom tree appears in /proc/openprom"
225 <<
226 config CMDLINE <<
227 string "Default kernel command string" <<
228 default "" <<
229 help 465 help
230 On some architectures there is curre !! 466 If you say Y, the OpenPROM device tree will be available as a
231 to pass arguments to the kernel. For !! 467 virtual file system, which you can mount to /proc/openprom by "mount
232 supply some command-line options at !! 468 -t openpromfs none /proc/openprom".
233 here. !! 469
>> 470 To compile the /proc/openprom support as a module, choose M here: the
>> 471 module will be called openpromfs.
234 472
235 menu "Debugging options" !! 473 Only choose N if you know in advance that you will not need to modify
>> 474 OpenPROM settings on the running system.
236 475
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 476 # Makefile helpers
238 bool "Try to die gracefully" !! 477 config SPARC64_PCI
>> 478 bool
239 default y 479 default y
240 help !! 480 depends on SPARC64 && PCI
241 Now this puts kernel into infinite l <<
242 your kernel crashes this doesn't hav <<
243 481
244 Say Y if you are unsure. !! 482 config SPARC64_PCI_MSI
>> 483 bool
>> 484 default y
>> 485 depends on SPARC64_PCI && PCI_MSI
245 486
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 487 endmenu
247 bool "Check for possible ESR exception <<
248 default n <<
249 help <<
250 This option enables some checks that <<
251 in kernel. <<
252 488
253 Say N if you are unsure. !! 489 config COMPAT
>> 490 bool
>> 491 depends on SPARC64
>> 492 default y
>> 493 select HAVE_UID16
>> 494 select ARCH_WANT_OLD_COMPAT_IPC
>> 495 select COMPAT_OLD_SIGACTION
254 496
255 endmenu !! 497 config SYSVIPC_COMPAT
>> 498 bool
>> 499 depends on COMPAT && SYSVIPC
>> 500 default y
256 501
257 endmenu !! 502 source "drivers/sbus/char/Kconfig"
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