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_IDE
>> 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 HAVE_NMI_WATCHDOG if SPARC64
25 select GENERIC_CPU_DEVICES !! 37 select HAVE_CBPF_JIT if SPARC32
26 select HAVE_PCI !! 38 select HAVE_EBPF_JIT if SPARC64
27 select HAVE_UID16 !! 39 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 40 select GENERIC_SMP_IDLE_THREAD
>> 41 select GENERIC_STRNCPY_FROM_USER
>> 42 select GENERIC_STRNLEN_USER
32 select MODULES_USE_ELF_RELA 43 select MODULES_USE_ELF_RELA
33 select HAVE_DEBUG_STACKOVERFLOW !! 44 select PCI_SYSCALL if PCI
34 select OR1K_PIC !! 45 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
35 select CPU_NO_EFFICIENT_FFS if !OPENRI !! 46 select ODD_RT_SIGACTION
36 select ARCH_USE_QUEUED_RWLOCKS !! 47 select OLD_SIGSUSPEND
37 select OMPIC if SMP !! 48 select CPU_NO_EFFICIENT_FFS
38 select PCI_DOMAINS_GENERIC if PCI !! 49 select LOCKDEP_SMALL if LOCKDEP
39 select PCI_MSI if PCI !! 50 select NEED_DMA_MAP_STATE
40 select ARCH_WANT_FRAME_POINTERS !! 51 select NEED_SG_DMA_LENGTH
41 select GENERIC_IRQ_MULTI_HANDLER !! 52 select SET_FS
42 select MMU_GATHER_NO_RANGE if MMU <<
43 select TRACE_IRQFLAGS_SUPPORT <<
44 53
45 config CPU_BIG_ENDIAN !! 54 config SPARC32
46 def_bool y !! 55 def_bool !64BIT
>> 56 select ARCH_32BIT_OFF_T
>> 57 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 58 select GENERIC_ATOMIC64
>> 59 select CLZ_TAB
>> 60 select HAVE_UID16
>> 61 select OLD_SIGACTION
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 ZONE_DMA
>> 145 bool
>> 146 default y if SPARC32
>> 147
>> 148 config GENERIC_ISA_DMA
>> 149 bool
>> 150 default y if SPARC32
>> 151
>> 152 config PGTABLE_LEVELS
>> 153 default 4 if 64BIT
>> 154 default 3
95 155
96 menu "Class II Instructions" !! 156 config ARCH_SUPPORTS_UPROBES
>> 157 def_bool y if SPARC64
97 158
98 config OPENRISC_HAVE_INST_FF1 !! 159 menu "Processor type and features"
99 bool "Have instruction l.ff1" <<
100 default y <<
101 help <<
102 Select this if your implementation h <<
103 160
104 config OPENRISC_HAVE_INST_FL1 !! 161 config SMP
105 bool "Have instruction l.fl1" !! 162 bool "Symmetric multi-processing support"
106 default y <<
107 help 163 help
108 Select this if your implementation h !! 164 This enables support for systems with more than one CPU. If you have
>> 165 a system with only one CPU, say N. If you have a system with more
>> 166 than one CPU, say Y.
109 167
110 config OPENRISC_HAVE_INST_MUL !! 168 If you say N here, the kernel will run on uni- and multiprocessor
111 bool "Have instruction l.mul for hardw !! 169 machines, but will use only one CPU of a multiprocessor machine. If
>> 170 you say Y here, the kernel will run on many, but not all,
>> 171 uniprocessor machines. On a uniprocessor machine, the kernel
>> 172 will run faster if you say N here.
>> 173
>> 174 People using multiprocessor machines who say Y here should also say
>> 175 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
>> 176 Management" code will be disabled if you say Y here.
>> 177
>> 178 See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
>> 179 available at <https://www.tldp.org/docs.html#howto>.
>> 180
>> 181 If you don't know what to do here, say N.
>> 182
>> 183 config NR_CPUS
>> 184 int "Maximum number of CPUs"
>> 185 depends on SMP
>> 186 range 2 32 if SPARC32
>> 187 range 2 4096 if SPARC64
>> 188 default 32 if SPARC32
>> 189 default 4096 if SPARC64
>> 190
>> 191 source "kernel/Kconfig.hz"
>> 192
>> 193 config GENERIC_HWEIGHT
>> 194 bool
112 default y 195 default y
113 help <<
114 Select this if your implementation h <<
115 196
116 config OPENRISC_HAVE_INST_DIV !! 197 config GENERIC_CALIBRATE_DELAY
117 bool "Have instruction l.div for hardw !! 198 bool
118 default y 199 default y
119 help <<
120 Select this if your implementation h <<
121 200
122 config OPENRISC_HAVE_INST_CMOV !! 201 config ARCH_MAY_HAVE_PC_FDC
123 bool "Have instruction l.cmov for cond !! 202 bool
124 default n !! 203 default y
125 help <<
126 This config enables gcc to generate <<
127 the kernel which in general will imp <<
128 binary size. <<
129 204
130 Select this if your implementation h !! 205 config EMULATED_CMPXCHG
131 l.cmov conistional move instruction. !! 206 bool
>> 207 default y if SPARC32
>> 208 help
>> 209 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
>> 210 is emulated, and therefore it is not completely atomic.
>> 211
>> 212 # Makefile helpers
>> 213 config SPARC32_SMP
>> 214 bool
>> 215 default y
>> 216 depends on SPARC32 && SMP
132 217
133 Say N if you are unsure. !! 218 config SPARC64_SMP
>> 219 bool
>> 220 default y
>> 221 depends on SPARC64 && SMP
134 222
135 config OPENRISC_HAVE_INST_ROR !! 223 config EARLYFB
136 bool "Have instruction l.ror for rotat !! 224 bool "Support for early boot text console"
137 default n !! 225 default y
>> 226 depends on SPARC64
138 help 227 help
139 This config enables gcc to generate !! 228 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. <<
145 229
146 Say N if you are unsure. !! 230 config HOTPLUG_CPU
147 !! 231 bool "Support for hot-pluggable CPUs"
148 config OPENRISC_HAVE_INST_RORI !! 232 depends on SPARC64 && SMP
149 bool "Have instruction l.rori for rota <<
150 default n <<
151 help 233 help
152 This config enables gcc to generate !! 234 Say Y here to experiment with turning CPUs off and on. CPUs
153 the kernel which in general will imp !! 235 can be controlled through /sys/devices/system/cpu/cpu#.
154 binary size. !! 236 Say N if you want to disable CPU hotplug.
155 237
156 Select this if your implementation h !! 238 if SPARC64
157 l.rori rotate right with immediate i !! 239 source "drivers/cpufreq/Kconfig"
>> 240 endif
158 241
159 Say N if you are unsure. !! 242 config US3_MC
>> 243 tristate "UltraSPARC-III Memory Controller driver"
>> 244 depends on SPARC64
>> 245 default y
>> 246 help
>> 247 This adds a driver for the UltraSPARC-III memory controller.
>> 248 Loading this driver allows exact mnemonic strings to be
>> 249 printed in the event of a memory error, so that the faulty DIMM
>> 250 on the motherboard can be matched to the error.
>> 251
>> 252 If in doubt, say Y, as this information can be very useful.
>> 253
>> 254 # Global things across all Sun machines.
>> 255 config GENERIC_LOCKBREAK
>> 256 bool
>> 257 default y
>> 258 depends on SPARC64 && SMP && PREEMPTION
160 259
161 config OPENRISC_HAVE_INST_SEXT !! 260 config NUMA
162 bool "Have instructions l.ext* for sig !! 261 bool "NUMA support"
163 default n !! 262 depends on SPARC64 && SMP
>> 263
>> 264 config NODES_SHIFT
>> 265 int "Maximum NUMA Nodes (as a power of 2)"
>> 266 range 4 5 if SPARC64
>> 267 default "5"
>> 268 depends on NEED_MULTIPLE_NODES
>> 269 help
>> 270 Specify the maximum number of NUMA Nodes available on the target
>> 271 system. Increases memory reserved to accommodate various tables.
>> 272
>> 273 config ARCH_SPARSEMEM_ENABLE
>> 274 def_bool y if SPARC64
>> 275 select SPARSEMEM_VMEMMAP_ENABLE
>> 276
>> 277 config ARCH_SPARSEMEM_DEFAULT
>> 278 def_bool y if SPARC64
>> 279
>> 280 config FORCE_MAX_ZONEORDER
>> 281 int "Maximum zone order"
>> 282 default "13"
>> 283 help
>> 284 The kernel memory allocator divides physically contiguous memory
>> 285 blocks into "zones", where each zone is a power of two number of
>> 286 pages. This option selects the largest power of two that the kernel
>> 287 keeps in the memory allocator. If you need to allocate very large
>> 288 blocks of physically contiguous memory, then you may need to
>> 289 increase this value.
>> 290
>> 291 This config option is actually maximum order plus one. For example,
>> 292 a value of 13 means that the largest free memory block is 2^12 pages.
>> 293
>> 294 if SPARC64
>> 295 source "kernel/power/Kconfig"
>> 296 endif
>> 297
>> 298 config SCHED_SMT
>> 299 bool "SMT (Hyperthreading) scheduler support"
>> 300 depends on SPARC64 && SMP
>> 301 default y
>> 302 help
>> 303 SMT scheduler support improves the CPU scheduler's decision making
>> 304 when dealing with SPARC cpus at a cost of slightly increased overhead
>> 305 in some places. If unsure say N here.
>> 306
>> 307 config SCHED_MC
>> 308 bool "Multi-core scheduler support"
>> 309 depends on SPARC64 && SMP
>> 310 default y
164 help 311 help
165 This config enables gcc to generate !! 312 Multi-core scheduler support improves the CPU scheduler's decision
166 the kernel which in general will imp !! 313 making when dealing with multi-core CPU chips at a cost of slightly
167 binary size. !! 314 increased overhead in some places. If unsure say N here.
>> 315
>> 316 config CMDLINE_BOOL
>> 317 bool "Default bootloader kernel arguments"
>> 318 depends on SPARC64
168 319
169 Select this if your implementation h !! 320 config CMDLINE
170 l.exths, l.extbs, l.exthz and l.extb !! 321 string "Initial kernel command string"
>> 322 depends on CMDLINE_BOOL
>> 323 default "console=ttyS0,9600 root=/dev/sda1"
>> 324 help
>> 325 Say Y here if you want to be able to pass default arguments to
>> 326 the kernel. This will be overridden by the bootloader, if you
>> 327 use one (such as SILO). This is most useful if you want to boot
>> 328 a kernel from TFTP, and want default options to be available
>> 329 with having them passed on the command line.
>> 330
>> 331 NOTE: This option WILL override the PROM bootargs setting!
>> 332
>> 333 config SUN_PM
>> 334 bool
>> 335 default y if SPARC32
>> 336 help
>> 337 Enable power management and CPU standby features on supported
>> 338 SPARC platforms.
>> 339
>> 340 config SPARC_LED
>> 341 tristate "Sun4m LED driver"
>> 342 depends on SPARC32
>> 343 help
>> 344 This driver toggles the front-panel LED on sun4m systems
>> 345 in a user-specifiable manner. Its state can be probed
>> 346 by reading /proc/led and its blinking mode can be changed
>> 347 via writes to /proc/led
>> 348
>> 349 config SERIAL_CONSOLE
>> 350 bool
>> 351 depends on SPARC32
>> 352 default y
>> 353 help
>> 354 If you say Y here, it will be possible to use a serial port as the
>> 355 system console (the system console is the device which receives all
>> 356 kernel messages and warnings and which allows logins in single user
>> 357 mode). This could be useful if some terminal or printer is connected
>> 358 to that serial port.
>> 359
>> 360 Even if you say Y here, the currently visible virtual console
>> 361 (/dev/tty0) will still be used as the system console by default, but
>> 362 you can alter that using a kernel command line option such as
>> 363 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 364 your boot loader (silo) about how to pass options to the kernel at
>> 365 boot time.)
>> 366
>> 367 If you don't have a graphics card installed and you say Y here, the
>> 368 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 369 system console.
>> 370
>> 371 If unsure, say N.
>> 372
>> 373 config SPARC_LEON
>> 374 bool "Sparc Leon processor family"
>> 375 depends on SPARC32
>> 376 select USB_EHCI_BIG_ENDIAN_MMIO
>> 377 select USB_EHCI_BIG_ENDIAN_DESC
>> 378 select USB_UHCI_BIG_ENDIAN_MMIO
>> 379 select USB_UHCI_BIG_ENDIAN_DESC
>> 380 help
>> 381 If you say Y here if you are running on a SPARC-LEON processor.
>> 382 The LEON processor is a synthesizable VHDL model of the
>> 383 SPARC-v8 standard. LEON is part of the GRLIB collection of
>> 384 IP cores that are distributed under GPL. GRLIB can be downloaded
>> 385 from www.gaisler.com. You can download a sparc-linux cross-compilation
>> 386 toolchain at www.gaisler.com.
>> 387
>> 388 if SPARC_LEON
>> 389 menu "U-Boot options"
>> 390
>> 391 config UBOOT_LOAD_ADDR
>> 392 hex "uImage Load Address"
>> 393 default 0x40004000
>> 394 help
>> 395 U-Boot kernel load address, the address in physical address space
>> 396 where u-boot will place the Linux kernel before booting it.
>> 397 This address is normally the base address of main memory + 0x4000.
>> 398
>> 399 config UBOOT_FLASH_ADDR
>> 400 hex "uImage.o Load Address"
>> 401 default 0x00080000
>> 402 help
>> 403 Optional setting only affecting the uImage.o ELF-image used to
>> 404 download the uImage file to the target using a ELF-loader other than
>> 405 U-Boot. It may for example be used to download an uImage to FLASH with
>> 406 the GRMON utility before even starting u-boot.
>> 407
>> 408 config UBOOT_ENTRY_ADDR
>> 409 hex "uImage Entry Address"
>> 410 default 0xf0004000
>> 411 help
>> 412 Do not change this unless you know what you're doing. This is
>> 413 hardcoded by the SPARC32 and LEON port.
171 414
172 Say N if you are unsure. !! 415 This is the virtual address u-boot jumps to when booting the Linux
>> 416 Kernel.
173 417
174 endmenu 418 endmenu
>> 419 endif
175 420
176 config NR_CPUS !! 421 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. <<
188 422
189 If you don't know what to do here, s !! 423 menu "Bus options (PCI etc.)"
>> 424 config SBUS
>> 425 bool
>> 426 default y
190 427
191 config FPU !! 428 config SBUSCHAR
192 bool "FPU support" !! 429 bool
193 default y 430 default y
194 help <<
195 Say N here if you want to disable al <<
196 in the kernel and reduce binary size <<
197 431
198 If you don't know what to do here, s !! 432 config SUN_LDOMS
>> 433 bool "Sun Logical Domains support"
>> 434 depends on SPARC64
>> 435 help
>> 436 Say Y here is you want to support virtual devices via
>> 437 Logical Domains.
>> 438
>> 439 config PCIC_PCI
>> 440 bool
>> 441 depends on PCI && SPARC32 && !SPARC_LEON
>> 442 default y
199 443
200 source "kernel/Kconfig.hz" !! 444 config LEON_PCI
>> 445 bool
>> 446 depends on PCI && SPARC_LEON
>> 447 default y
201 448
202 config OPENRISC_NO_SPR_SR_DSX !! 449 config SPARC_GRPCI1
203 bool "use SPR_SR_DSX software emulatio !! 450 bool "GRPCI Host Bridge Support"
>> 451 depends on LEON_PCI
204 default y 452 default y
205 help 453 help
206 SPR_SR_DSX bit is status register bi !! 454 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
207 the last exception has happened in d !! 455 PCI host controller is typically found in GRLIB SPARC32/LEON
208 !! 456 systems. The driver has one property (all_pci_errors) controlled
209 OpenRISC architecture makes it optio !! 457 from the bootloader that makes the GRPCI to generate interrupts
210 in hardware and the OR1200 does not !! 458 on detected PCI Parity and System errors.
211 !! 459
212 Say N here if you know that your Ope !! 460 config SPARC_GRPCI2
213 SPR_SR_DSX bit implemented. Say Y if !! 461 bool "GRPCI2 Host Bridge Support"
214 !! 462 depends on LEON_PCI
215 config OPENRISC_HAVE_SHADOW_GPRS !! 463 default y
216 bool "Support for shadow gpr files" if <<
217 default y if SMP <<
218 help 464 help
219 Say Y here if your OpenRISC processo !! 465 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 <<
222 466
223 On SMP systems, this feature is mand !! 467 config SUN_OPENPROMFS
224 On a unicore system it's safe to say !! 468 tristate "Openprom tree appears in /proc/openprom"
225 <<
226 config CMDLINE <<
227 string "Default kernel command string" <<
228 default "" <<
229 help 469 help
230 On some architectures there is curre !! 470 If you say Y, the OpenPROM device tree will be available as a
231 to pass arguments to the kernel. For !! 471 virtual file system, which you can mount to /proc/openprom by "mount
232 supply some command-line options at !! 472 -t openpromfs none /proc/openprom".
233 here. !! 473
>> 474 To compile the /proc/openprom support as a module, choose M here: the
>> 475 module will be called openpromfs.
234 476
235 menu "Debugging options" !! 477 Only choose N if you know in advance that you will not need to modify
>> 478 OpenPROM settings on the running system.
236 479
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 480 # Makefile helpers
238 bool "Try to die gracefully" !! 481 config SPARC64_PCI
>> 482 bool
239 default y 483 default y
240 help !! 484 depends on SPARC64 && PCI
241 Now this puts kernel into infinite l <<
242 your kernel crashes this doesn't hav <<
243 485
244 Say Y if you are unsure. !! 486 config SPARC64_PCI_MSI
>> 487 bool
>> 488 default y
>> 489 depends on SPARC64_PCI && PCI_MSI
245 490
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 491 endmenu
247 bool "Check for possible ESR exception <<
248 default n <<
249 help <<
250 This option enables some checks that <<
251 in kernel. <<
252 492
253 Say N if you are unsure. !! 493 config COMPAT
>> 494 bool
>> 495 depends on SPARC64
>> 496 default y
>> 497 select HAVE_UID16
>> 498 select ARCH_WANT_OLD_COMPAT_IPC
>> 499 select COMPAT_OLD_SIGACTION
254 500
255 endmenu !! 501 config SYSVIPC_COMPAT
>> 502 bool
>> 503 depends on COMPAT && SYSVIPC
>> 504 default y
256 505
257 endmenu !! 506 source "drivers/sbus/char/Kconfig"
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