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TOMOYO Linux Cross Reference
Linux/arch/xtensa/Kconfig

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Diff markup

Differences between /arch/xtensa/Kconfig (Version linux-6.12-rc7) and /arch/sparc/Kconfig (Version linux-4.12.14)


  1 # SPDX-License-Identifier: GPL-2.0             !!   1 config 64BIT
  2 config XTENSA                                  !!   2         bool "64-bit kernel" if ARCH = "sparc"
  3         def_bool y                             !!   3         default ARCH = "sparc64"
  4         select ARCH_32BIT_OFF_T                !!   4         help
  5         select ARCH_HAS_CPU_CACHE_ALIASING     !!   5           SPARC is a family of RISC microprocessors designed and marketed by
  6         select ARCH_HAS_BINFMT_FLAT if !MMU    !!   6           Sun Microsystems, incorporated.  They are very widely found in Sun
  7         select ARCH_HAS_CURRENT_STACK_POINTER  !!   7           workstations and clones.
  8         select ARCH_HAS_DEBUG_VM_PGTABLE       !!   8 
  9         select ARCH_HAS_DMA_PREP_COHERENT if M !!   9           Say yes to build a 64-bit kernel - formerly known as sparc64
 10         select ARCH_HAS_GCOV_PROFILE_ALL       !!  10           Say no to build a 32-bit kernel - formerly known as sparc
 11         select ARCH_HAS_KCOV                   !!  11 
 12         select ARCH_HAS_SYNC_DMA_FOR_CPU if MM !!  12 config SPARC
 13         select ARCH_HAS_SYNC_DMA_FOR_DEVICE if !!  13         bool
 14         select ARCH_HAS_DMA_SET_UNCACHED if MM !!  14         default y
 15         select ARCH_HAS_STRNCPY_FROM_USER if ! !!  15         select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
 16         select ARCH_HAS_STRNLEN_USER           !!  16         select ARCH_MIGHT_HAVE_PC_SERIO
 17         select ARCH_NEED_CMPXCHG_1_EMU         !!  17         select OF
 18         select ARCH_USE_MEMTEST                !!  18         select OF_PROMTREE
 19         select ARCH_USE_QUEUED_RWLOCKS         !!  19         select HAVE_IDE
 20         select ARCH_USE_QUEUED_SPINLOCKS       !!  20         select HAVE_OPROFILE
 21         select ARCH_WANT_IPC_PARSE_VERSION     !!  21         select HAVE_ARCH_KGDB if !SMP || SPARC64
 22         select BUILDTIME_TABLE_SORT            << 
 23         select CLONE_BACKWARDS                 << 
 24         select COMMON_CLK                      << 
 25         select DMA_NONCOHERENT_MMAP if MMU     << 
 26         select GENERIC_ATOMIC64                << 
 27         select GENERIC_IRQ_SHOW                << 
 28         select GENERIC_LIB_CMPDI2              << 
 29         select GENERIC_LIB_MULDI3              << 
 30         select GENERIC_LIB_UCMPDI2             << 
 31         select GENERIC_PCI_IOMAP               << 
 32         select GENERIC_SCHED_CLOCK             << 
 33         select GENERIC_IOREMAP if MMU          << 
 34         select HAVE_ARCH_AUDITSYSCALL          << 
 35         select HAVE_ARCH_JUMP_LABEL if !XIP_KE << 
 36         select HAVE_ARCH_KASAN if MMU && !XIP_ << 
 37         select HAVE_ARCH_KCSAN                 << 
 38         select HAVE_ARCH_SECCOMP_FILTER        << 
 39         select HAVE_ARCH_TRACEHOOK                 22         select HAVE_ARCH_TRACEHOOK
 40         select HAVE_ASM_MODVERSIONS            << 
 41         select HAVE_CONTEXT_TRACKING_USER      << 
 42         select HAVE_DEBUG_KMEMLEAK             << 
 43         select HAVE_DMA_CONTIGUOUS             << 
 44         select HAVE_EXIT_THREAD                    23         select HAVE_EXIT_THREAD
                                                   >>  24         select SYSCTL_EXCEPTION_TRACE
                                                   >>  25         select RTC_CLASS
                                                   >>  26         select RTC_DRV_M48T59
                                                   >>  27         select RTC_SYSTOHC
                                                   >>  28         select HAVE_DMA_API_DEBUG
                                                   >>  29         select HAVE_ARCH_JUMP_LABEL if SPARC64
                                                   >>  30         select GENERIC_IRQ_SHOW
                                                   >>  31         select ARCH_WANT_IPC_PARSE_VERSION
                                                   >>  32         select GENERIC_PCI_IOMAP
                                                   >>  33         select HAVE_NMI_WATCHDOG if SPARC64
                                                   >>  34         select HAVE_CBPF_JIT if SPARC32
                                                   >>  35         select HAVE_EBPF_JIT if SPARC64
                                                   >>  36         select HAVE_DEBUG_BUGVERBOSE
                                                   >>  37         select GENERIC_SMP_IDLE_THREAD
                                                   >>  38         select GENERIC_CLOCKEVENTS
                                                   >>  39         select GENERIC_STRNCPY_FROM_USER
                                                   >>  40         select GENERIC_STRNLEN_USER
                                                   >>  41         select MODULES_USE_ELF_RELA
                                                   >>  42         select ODD_RT_SIGACTION
                                                   >>  43         select OLD_SIGSUSPEND
                                                   >>  44         select ARCH_HAS_SG_CHAIN
                                                   >>  45         select CPU_NO_EFFICIENT_FFS
                                                   >>  46         select LOCKDEP_SMALL if LOCKDEP
                                                   >>  47         select ARCH_WANT_RELAX_ORDER
                                                   >>  48 
                                                   >>  49 config SPARC32
                                                   >>  50         def_bool !64BIT
                                                   >>  51         select GENERIC_ATOMIC64
                                                   >>  52         select CLZ_TAB
                                                   >>  53         select HAVE_UID16
                                                   >>  54         select OLD_SIGACTION
                                                   >>  55 
                                                   >>  56 config SPARC64
                                                   >>  57         def_bool 64BIT
 45         select HAVE_FUNCTION_TRACER                58         select HAVE_FUNCTION_TRACER
 46         select HAVE_GCC_PLUGINS if GCC_VERSION !!  59         select HAVE_FUNCTION_GRAPH_TRACER
 47         select HAVE_HW_BREAKPOINT if PERF_EVEN !!  60         select HAVE_KRETPROBES
 48         select HAVE_IRQ_TIME_ACCOUNTING        !!  61         select HAVE_KPROBES
 49         select HAVE_PAGE_SIZE_4KB              !!  62         select HAVE_RCU_TABLE_FREE if SMP
 50         select HAVE_PCI                        !!  63         select HAVE_MEMBLOCK
 51         select HAVE_PERF_EVENTS                !!  64         select HAVE_MEMBLOCK_NODE_MAP
 52         select HAVE_STACKPROTECTOR             !!  65         select HAVE_ARCH_TRANSPARENT_HUGEPAGE
                                                   >>  66         select HAVE_DYNAMIC_FTRACE
                                                   >>  67         select HAVE_FTRACE_MCOUNT_RECORD
 53         select HAVE_SYSCALL_TRACEPOINTS            68         select HAVE_SYSCALL_TRACEPOINTS
 54         select HAVE_VIRT_CPU_ACCOUNTING_GEN    !!  69         select HAVE_CONTEXT_TRACKING
 55         select IRQ_DOMAIN                      !!  70         select HAVE_DEBUG_KMEMLEAK
 56         select LOCK_MM_AND_FIND_VMA            !!  71         select SPARSE_IRQ
 57         select MODULES_USE_ELF_RELA            !!  72         select RTC_DRV_CMOS
                                                   >>  73         select RTC_DRV_BQ4802
                                                   >>  74         select RTC_DRV_SUN4V
                                                   >>  75         select RTC_DRV_STARFIRE
                                                   >>  76         select HAVE_PERF_EVENTS
 58         select PERF_USE_VMALLOC                    77         select PERF_USE_VMALLOC
 59         select TRACE_IRQFLAGS_SUPPORT          !!  78         select IRQ_PREFLOW_FASTEOI
 60         help                                   !!  79         select ARCH_HAVE_NMI_SAFE_CMPXCHG
 61           Xtensa processors are 32-bit RISC ma !!  80         select HAVE_C_RECORDMCOUNT
 62           primarily for embedded systems.  The !!  81         select NO_BOOTMEM
 63           configurable and extensible.  The Li !!  82         select HAVE_ARCH_AUDITSYSCALL
 64           architecture supports all processor  !!  83         select ARCH_SUPPORTS_ATOMIC_RMW
 65           with reasonable minimum requirements !!  84         select HAVE_NMI
 66           a home page at <http://www.linux-xte !!  85         select HAVE_REGS_AND_STACK_ACCESS_API
 67                                                    86 
 68 config GENERIC_HWEIGHT                         !!  87 config ARCH_DEFCONFIG
 69         def_bool y                             !!  88         string
                                                   >>  89         default "arch/sparc/configs/sparc32_defconfig" if SPARC32
                                                   >>  90         default "arch/sparc/configs/sparc64_defconfig" if SPARC64
 70                                                    91 
 71 config ARCH_HAS_ILOG2_U32                      !!  92 config ARCH_PROC_KCORE_TEXT
 72         def_bool n                             !!  93         def_bool y
 73                                                    94 
 74 config ARCH_HAS_ILOG2_U64                      !!  95 config ARCH_ATU
 75         def_bool n                             !!  96         bool
                                                   >>  97         default y if SPARC64
 76                                                    98 
 77 config ARCH_MTD_XIP                            !!  99 config ARCH_DMA_ADDR_T_64BIT
 78         def_bool y                             !! 100         bool
                                                   >> 101         default y if ARCH_ATU
 79                                                   102 
 80 config NO_IOPORT_MAP                           !! 103 config IOMMU_HELPER
 81         def_bool n                             !! 104         bool
                                                   >> 105         default y if SPARC64
 82                                                   106 
 83 config HZ                                      !! 107 config STACKTRACE_SUPPORT
 84         int                                    !! 108         bool
 85         default 100                            !! 109         default y if SPARC64
 86                                                   110 
 87 config LOCKDEP_SUPPORT                            111 config LOCKDEP_SUPPORT
 88         def_bool y                             !! 112         bool
                                                   >> 113         default y if SPARC64
 89                                                   114 
 90 config STACKTRACE_SUPPORT                      !! 115 config ARCH_HIBERNATION_POSSIBLE
 91         def_bool y                             !! 116         def_bool y if SPARC64
 92                                                   117 
 93 config MMU                                     !! 118 config AUDIT_ARCH
 94         def_bool n                             !! 119         bool
 95         select PFAULT                          !! 120         default y
 96                                                   121 
 97 config HAVE_XTENSA_GPIO32                      !! 122 config HAVE_SETUP_PER_CPU_AREA
 98         def_bool n                             !! 123         def_bool y if SPARC64
 99                                                   124 
100 config KASAN_SHADOW_OFFSET                     !! 125 config NEED_PER_CPU_EMBED_FIRST_CHUNK
101         hex                                    !! 126         def_bool y if SPARC64
102         default 0x6e400000                     << 
103                                                   127 
104 config CPU_BIG_ENDIAN                          !! 128 config NEED_PER_CPU_PAGE_FIRST_CHUNK
105         def_bool $(success,test "$(shell,echo  !! 129         def_bool y if SPARC64
106                                                   130 
107 config CPU_LITTLE_ENDIAN                       !! 131 config MMU
108         def_bool !CPU_BIG_ENDIAN               !! 132         bool
                                                   >> 133         default y
109                                                   134 
110 config CC_HAVE_CALL0_ABI                       !! 135 config HIGHMEM
111         def_bool $(success,test "$(shell,echo  !! 136         bool
                                                   >> 137         default y if SPARC32
112                                                   138 
113 menu "Processor type and features"             !! 139 config ZONE_DMA
                                                   >> 140         bool
                                                   >> 141         default y if SPARC32
114                                                   142 
115 choice                                         !! 143 config NEED_DMA_MAP_STATE
116         prompt "Xtensa Processor Configuration !! 144         def_bool y
117         default XTENSA_VARIANT_FSF             << 
118                                                   145 
119 config XTENSA_VARIANT_FSF                      !! 146 config NEED_SG_DMA_LENGTH
120         bool "fsf - default (not generic) conf !! 147         def_bool y
121         select MMU                             << 
122                                                   148 
123 config XTENSA_VARIANT_DC232B                   !! 149 config GENERIC_ISA_DMA
124         bool "dc232b - Diamond 232L Standard C !! 150         bool
125         select MMU                             !! 151         default y if SPARC32
126         select HAVE_XTENSA_GPIO32              << 
127         help                                   << 
128           This variant refers to Tensilica's D << 
129                                                   152 
130 config XTENSA_VARIANT_DC233C                   !! 153 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
131         bool "dc233c - Diamond 233L Standard C !! 154         def_bool y if SPARC64
132         select MMU                             << 
133         select HAVE_XTENSA_GPIO32              << 
134         help                                   << 
135           This variant refers to Tensilica's D << 
136                                                   155 
137 config XTENSA_VARIANT_CUSTOM                   !! 156 config PGTABLE_LEVELS
138         bool "Custom Xtensa processor configur !! 157         default 4 if 64BIT
139         select HAVE_XTENSA_GPIO32              !! 158         default 3
140         help                                   << 
141           Select this variant to use a custom  << 
142           You will be prompted for a processor << 
143 endchoice                                      << 
144                                                   159 
145 config XTENSA_VARIANT_CUSTOM_NAME              !! 160 config ARCH_SUPPORTS_UPROBES
146         string "Xtensa Processor Custom Core V !! 161         def_bool y if SPARC64
147         depends on XTENSA_VARIANT_CUSTOM       << 
148         help                                   << 
149           Provide the name of a custom Xtensa  << 
150           This CORENAME selects arch/xtensa/va << 
151           Don't forget you have to select MMU  << 
152                                                   162 
153 config XTENSA_VARIANT_NAME                     !! 163 source "init/Kconfig"
154         string                                 << 
155         default "dc232b"                       << 
156         default "dc233c"                       << 
157         default "fsf"                          << 
158         default XTENSA_VARIANT_CUSTOM_NAME     << 
159                                                << 
160 config XTENSA_VARIANT_MMU                      << 
161         bool "Core variant has a Full MMU (TLB << 
162         depends on XTENSA_VARIANT_CUSTOM       << 
163         default y                              << 
164         select MMU                             << 
165         help                                   << 
166           Build a Conventional Kernel with ful << 
167           ie: it supports a TLB with auto-load << 
168                                                << 
169 config XTENSA_VARIANT_HAVE_PERF_EVENTS         << 
170         bool "Core variant has Performance Mon << 
171         depends on XTENSA_VARIANT_CUSTOM       << 
172         default n                              << 
173         help                                   << 
174           Enable if core variant has Performan << 
175           External Registers Interface.        << 
176                                                   164 
177           If unsure, say N.                    !! 165 source "kernel/Kconfig.freezer"
178                                                   166 
179 config XTENSA_FAKE_NMI                         !! 167 menu "Processor type and features"
180         bool "Treat PMM IRQ as NMI"            << 
181         depends on XTENSA_VARIANT_HAVE_PERF_EV << 
182         default n                              << 
183         help                                   << 
184           If PMM IRQ is the only IRQ at EXCM l << 
185           treat it as NMI, which improves accu << 
186                                                << 
187           If there are other interrupts at or  << 
188           but not above the EXCM level, PMM IR << 
189           but only if these IRQs are not used. << 
190           saying that this is not safe, and a  << 
191           actually fire.                       << 
192                                                   168 
193           If unsure, say N.                    !! 169 config SMP
                                                   >> 170         bool "Symmetric multi-processing support"
                                                   >> 171         ---help---
                                                   >> 172           This enables support for systems with more than one CPU. If you have
                                                   >> 173           a system with only one CPU, say N. If you have a system with more
                                                   >> 174           than one CPU, say Y.
                                                   >> 175 
                                                   >> 176           If you say N here, the kernel will run on uni- and multiprocessor
                                                   >> 177           machines, but will use only one CPU of a multiprocessor machine. If
                                                   >> 178           you say Y here, the kernel will run on many, but not all,
                                                   >> 179           uniprocessor machines. On a uniprocessor machine, the kernel
                                                   >> 180           will run faster if you say N here.
                                                   >> 181 
                                                   >> 182           People using multiprocessor machines who say Y here should also say
                                                   >> 183           Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
                                                   >> 184           Management" code will be disabled if you say Y here.
194                                                   185 
195 config PFAULT                                  !! 186           See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
196         bool "Handle protection faults" if EXP !! 187           available at <http://www.tldp.org/docs.html#howto>.
197         default y                              << 
198         help                                   << 
199           Handle protection faults. MMU config << 
200           noMMU configurations may disable it  << 
201           generates protection faults or fault << 
202                                                   188 
203           If unsure, say Y.                    !! 189           If you don't know what to do here, say N.
204                                                   190 
205 config XTENSA_UNALIGNED_USER                   !! 191 config NR_CPUS
206         bool "Unaligned memory access in user  !! 192         int "Maximum number of CPUs"
207         help                                   !! 193         depends on SMP
208           The Xtensa architecture currently do !! 194         range 2 32 if SPARC32
209           memory accesses in hardware but thro !! 195         range 2 4096 if SPARC64
210           Per default, unaligned memory access !! 196         default 32 if SPARC32
                                                   >> 197         default 4096 if SPARC64
211                                                   198 
212           Say Y here to enable unaligned memor !! 199 source kernel/Kconfig.hz
213                                                   200 
214 config XTENSA_LOAD_STORE                       !! 201 config RWSEM_GENERIC_SPINLOCK
215         bool "Load/store exception handler for !! 202         bool
216         help                                   !! 203         default y if SPARC32
217           The Xtensa architecture only allows  !! 204 
218           instruction bus with l32r and l32i i !! 205 config RWSEM_XCHGADD_ALGORITHM
219           instructions raise an exception with !! 206         bool
220           This makes it hard to use some confi !! 207         default y if SPARC64
221           literals in FLASH memory attached to !! 208 
                                                   >> 209 config GENERIC_HWEIGHT
                                                   >> 210         bool
                                                   >> 211         default y
                                                   >> 212 
                                                   >> 213 config GENERIC_CALIBRATE_DELAY
                                                   >> 214         bool
                                                   >> 215         default y
222                                                   216 
223           Say Y here to enable exception handl !! 217 config ARCH_MAY_HAVE_PC_FDC
224           byte and 2-byte access to memory att !! 218         bool
                                                   >> 219         default y
225                                                   220 
226 config HAVE_SMP                                !! 221 config EMULATED_CMPXCHG
227         bool "System Supports SMP (MX)"        !! 222         bool
228         depends on XTENSA_VARIANT_CUSTOM       !! 223         default y if SPARC32
229         select XTENSA_MX                       << 
230         help                                      224         help
231           This option is used to indicate that !! 225           Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
232           supports Multiprocessing. Multiproce !! 226           is emulated, and therefore it is not completely atomic.
233           the CPU core definition and currentl << 
234                                                   227 
235           Multiprocessor support is implemente !! 228 # Makefile helpers
236           interrupt controllers.               !! 229 config SPARC32_SMP
                                                   >> 230         bool
                                                   >> 231         default y
                                                   >> 232         depends on SPARC32 && SMP
237                                                   233 
238           The MX interrupt distributer adds In !! 234 config SPARC64_SMP
239           and causes the IRQ numbers to be inc !! 235         bool
240           like the open cores ethernet driver  !! 236         default y
                                                   >> 237         depends on SPARC64 && SMP
241                                                   238 
242           You still have to select "Enable SMP !! 239 config EARLYFB
                                                   >> 240         bool "Support for early boot text console"
                                                   >> 241         default y
                                                   >> 242         depends on SPARC64
                                                   >> 243         help
                                                   >> 244           Say Y here to enable a faster early framebuffer boot console.
243                                                   245 
244 config SMP                                     !! 246 config SECCOMP
245         bool "Enable Symmetric multi-processin !! 247         bool "Enable seccomp to safely compute untrusted bytecode"
246         depends on HAVE_SMP                    !! 248         depends on SPARC64 && PROC_FS
247         select GENERIC_SMP_IDLE_THREAD         !! 249         default y
248         help                                      250         help
249           Enabled SMP Software; allows more th !! 251           This kernel feature is useful for number crunching applications
250           to be activated during startup.      !! 252           that may need to compute untrusted bytecode during their
                                                   >> 253           execution. By using pipes or other transports made available to
                                                   >> 254           the process as file descriptors supporting the read/write
                                                   >> 255           syscalls, it's possible to isolate those applications in
                                                   >> 256           their own address space using seccomp. Once seccomp is
                                                   >> 257           enabled via /proc/<pid>/seccomp, it cannot be disabled
                                                   >> 258           and the task is only allowed to execute a few safe syscalls
                                                   >> 259           defined by each seccomp mode.
251                                                   260 
252 config NR_CPUS                                 !! 261           If unsure, say Y. Only embedded should say N here.
253         depends on SMP                         << 
254         int "Maximum number of CPUs (2-32)"    << 
255         range 2 32                             << 
256         default "4"                            << 
257                                                   262 
258 config HOTPLUG_CPU                                263 config HOTPLUG_CPU
259         bool "Enable CPU hotplug support"      !! 264         bool "Support for hot-pluggable CPUs"
260         depends on SMP                         !! 265         depends on SPARC64 && SMP
261         help                                      266         help
262           Say Y here to allow turning CPUs off !! 267           Say Y here to experiment with turning CPUs off and on.  CPUs
263           controlled through /sys/devices/syst !! 268           can be controlled through /sys/devices/system/cpu/cpu#.
264                                                << 
265           Say N if you want to disable CPU hot    269           Say N if you want to disable CPU hotplug.
266                                                   270 
267 config SECONDARY_RESET_VECTOR                  !! 271 if SPARC64
268         bool "Secondary cores use alternative  !! 272 source "drivers/cpufreq/Kconfig"
                                                   >> 273 endif
                                                   >> 274 
                                                   >> 275 config US3_MC
                                                   >> 276         tristate "UltraSPARC-III Memory Controller driver"
                                                   >> 277         depends on SPARC64
269         default y                                 278         default y
270         depends on HAVE_SMP                    << 
271         help                                      279         help
272           Secondary cores may be configured to !! 280           This adds a driver for the UltraSPARC-III memory controller.
273           or all cores may use primary reset v !! 281           Loading this driver allows exact mnemonic strings to be
274           Say Y here to supply handler for the !! 282           printed in the event of a memory error, so that the faulty DIMM
275                                                !! 283           on the motherboard can be matched to the error.
276 config FAST_SYSCALL_XTENSA                     << 
277         bool "Enable fast atomic syscalls"     << 
278         default n                              << 
279         help                                   << 
280           fast_syscall_xtensa is a syscall tha << 
281           on UP kernel when processor has no s << 
282                                                << 
283           This syscall is deprecated. It may h << 
284           invalid arguments. It is provided on << 
285           Only enable it if your userspace sof << 
286                                                   284 
287           If unsure, say N.                    !! 285           If in doubt, say Y, as this information can be very useful.
288                                                   286 
289 config FAST_SYSCALL_SPILL_REGISTERS            !! 287 # Global things across all Sun machines.
290         bool "Enable spill registers syscall"  !! 288 config GENERIC_LOCKBREAK
291         default n                              !! 289         bool
292         help                                   !! 290         default y
293           fast_syscall_spill_registers is a sy !! 291         depends on SPARC64 && SMP && PREEMPT
294           register windows of a calling usersp << 
295                                                << 
296           This syscall is deprecated. It may h << 
297           invalid arguments. It is provided on << 
298           Only enable it if your userspace sof << 
299                                                   292 
300           If unsure, say N.                    !! 293 config NUMA
                                                   >> 294         bool "NUMA support"
                                                   >> 295         depends on SPARC64 && SMP
                                                   >> 296 
                                                   >> 297 config NODES_SHIFT
                                                   >> 298         int "Maximum NUMA Nodes (as a power of 2)"
                                                   >> 299         range 4 5 if SPARC64
                                                   >> 300         default "5"
                                                   >> 301         depends on NEED_MULTIPLE_NODES
                                                   >> 302         help
                                                   >> 303           Specify the maximum number of NUMA Nodes available on the target
                                                   >> 304           system.  Increases memory reserved to accommodate various tables.
                                                   >> 305 
                                                   >> 306 # Some NUMA nodes have memory ranges that span
                                                   >> 307 # other nodes.  Even though a pfn is valid and
                                                   >> 308 # between a node's start and end pfns, it may not
                                                   >> 309 # reside on that node.  See memmap_init_zone()
                                                   >> 310 # for details.
                                                   >> 311 config NODES_SPAN_OTHER_NODES
                                                   >> 312         def_bool y
                                                   >> 313         depends on NEED_MULTIPLE_NODES
301                                                   314 
302 choice                                         !! 315 config ARCH_SELECT_MEMORY_MODEL
303         prompt "Kernel ABI"                    !! 316         def_bool y if SPARC64
304         default KERNEL_ABI_DEFAULT             << 
305         help                                   << 
306           Select ABI for the kernel code. This << 
307           supported userspace ABI and any comb << 
308           kernel/userspace ABI is possible and << 
309                                                   317 
310           In case both kernel and userspace su !! 318 config ARCH_SPARSEMEM_ENABLE
311           all register windows support code wi !! 319         def_bool y if SPARC64
312           build.                               !! 320         select SPARSEMEM_VMEMMAP_ENABLE
313                                                   321 
314           If unsure, choose the default ABI.   !! 322 config ARCH_SPARSEMEM_DEFAULT
                                                   >> 323         def_bool y if SPARC64
315                                                   324 
316 config KERNEL_ABI_DEFAULT                      !! 325 config FORCE_MAX_ZONEORDER
317         bool "Default ABI"                     !! 326         int "Maximum zone order"
                                                   >> 327         default "13"
318         help                                      328         help
319           Select this option to compile kernel !! 329           The kernel memory allocator divides physically contiguous memory
320           selected for the toolchain.          !! 330           blocks into "zones", where each zone is a power of two number of
321           Normally cores with windowed registe !! 331           pages.  This option selects the largest power of two that the kernel
322           cores without it use call0 ABI.      !! 332           keeps in the memory allocator.  If you need to allocate very large
                                                   >> 333           blocks of physically contiguous memory, then you may need to
                                                   >> 334           increase this value.
323                                                   335 
324 config KERNEL_ABI_CALL0                        !! 336           This config option is actually maximum order plus one. For example,
325         bool "Call0 ABI" if CC_HAVE_CALL0_ABI  !! 337           a value of 13 means that the largest free memory block is 2^12 pages.
326         help                                   << 
327           Select this option to compile kernel << 
328           toolchain that defaults to windowed  << 
329           When this option is not selected the << 
330           be used for the kernel code.         << 
331                                                   338 
332 endchoice                                      !! 339 source "mm/Kconfig"
333                                                   340 
334 config USER_ABI_CALL0                          !! 341 if SPARC64
335         bool                                   !! 342 source "kernel/power/Kconfig"
                                                   >> 343 endif
336                                                   344 
337 choice                                         !! 345 config SCHED_SMT
338         prompt "Userspace ABI"                 !! 346         bool "SMT (Hyperthreading) scheduler support"
339         default USER_ABI_DEFAULT               !! 347         depends on SPARC64 && SMP
                                                   >> 348         default y
                                                   >> 349         help
                                                   >> 350           SMT scheduler support improves the CPU scheduler's decision making
                                                   >> 351           when dealing with SPARC cpus at a cost of slightly increased overhead
                                                   >> 352           in some places. If unsure say N here.
                                                   >> 353 
                                                   >> 354 config SCHED_MC
                                                   >> 355         bool "Multi-core scheduler support"
                                                   >> 356         depends on SPARC64 && SMP
                                                   >> 357         default y
340         help                                      358         help
341           Select supported userspace ABI.      !! 359           Multi-core scheduler support improves the CPU scheduler's decision
                                                   >> 360           making when dealing with multi-core CPU chips at a cost of slightly
                                                   >> 361           increased overhead in some places. If unsure say N here.
342                                                   362 
343           If unsure, choose the default ABI.   !! 363 source "kernel/Kconfig.preempt"
344                                                   364 
345 config USER_ABI_DEFAULT                        !! 365 config CMDLINE_BOOL
346         bool "Default ABI only"                !! 366         bool "Default bootloader kernel arguments"
347         help                                   !! 367         depends on SPARC64
348           Assume default userspace ABI. For XE << 
349           call0 ABI binaries may be run on suc << 
350           will not work correctly for them.    << 
351                                                   368 
352 config USER_ABI_CALL0_ONLY                     !! 369 config CMDLINE
353         bool "Call0 ABI only"                  !! 370         string "Initial kernel command string"
354         select USER_ABI_CALL0                  !! 371         depends on CMDLINE_BOOL
                                                   >> 372         default "console=ttyS0,9600 root=/dev/sda1"
355         help                                      373         help
356           Select this option to support only c !! 374           Say Y here if you want to be able to pass default arguments to
357           Windowed ABI binaries will crash wit !! 375           the kernel. This will be overridden by the bootloader, if you
358           an illegal instruction exception on  !! 376           use one (such as SILO). This is most useful if you want to boot
                                                   >> 377           a kernel from TFTP, and want default options to be available
                                                   >> 378           with having them passed on the command line.
359                                                   379 
360           Choose this option if you're plannin !! 380           NOTE: This option WILL override the PROM bootargs setting!
361           built with call0 ABI.                << 
362                                                   381 
363 config USER_ABI_CALL0_PROBE                    !! 382 config SUN_PM
364         bool "Support both windowed and call0  !! 383         bool
365         select USER_ABI_CALL0                  !! 384         default y if SPARC32
366         help                                      385         help
367           Select this option to support both w !! 386           Enable power management and CPU standby features on supported
368           ABIs. When enabled all processes are !! 387           SPARC platforms.
369           and a fast user exception handler fo << 
370           used to turn on PS.WOE bit on the fi << 
371           the userspace.                       << 
372                                                << 
373           This option should be enabled for th << 
374           both call0 and windowed ABIs in user << 
375                                                   388 
376           Note that Xtensa ISA does not guaran !! 389 config SPARC_LED
377           raise an illegal instruction excepti !! 390         tristate "Sun4m LED driver"
378           PS.WOE is disabled, check whether th !! 391         depends on SPARC32
                                                   >> 392         help
                                                   >> 393           This driver toggles the front-panel LED on sun4m systems
                                                   >> 394           in a user-specifiable manner.  Its state can be probed
                                                   >> 395           by reading /proc/led and its blinking mode can be changed
                                                   >> 396           via writes to /proc/led
379                                                   397 
380 endchoice                                      !! 398 config SERIAL_CONSOLE
                                                   >> 399         bool
                                                   >> 400         depends on SPARC32
                                                   >> 401         default y
                                                   >> 402         ---help---
                                                   >> 403           If you say Y here, it will be possible to use a serial port as the
                                                   >> 404           system console (the system console is the device which receives all
                                                   >> 405           kernel messages and warnings and which allows logins in single user
                                                   >> 406           mode). This could be useful if some terminal or printer is connected
                                                   >> 407           to that serial port.
                                                   >> 408 
                                                   >> 409           Even if you say Y here, the currently visible virtual console
                                                   >> 410           (/dev/tty0) will still be used as the system console by default, but
                                                   >> 411           you can alter that using a kernel command line option such as
                                                   >> 412           "console=ttyS1". (Try "man bootparam" or see the documentation of
                                                   >> 413           your boot loader (silo) about how to pass options to the kernel at
                                                   >> 414           boot time.)
                                                   >> 415 
                                                   >> 416           If you don't have a graphics card installed and you say Y here, the
                                                   >> 417           kernel will automatically use the first serial line, /dev/ttyS0, as
                                                   >> 418           system console.
381                                                   419 
382 endmenu                                        !! 420           If unsure, say N.
383                                                   421 
384 config XTENSA_CALIBRATE_CCOUNT                 !! 422 config SPARC_LEON
385         def_bool n                             !! 423         bool "Sparc Leon processor family"
386         help                                   !! 424         depends on SPARC32
387           On some platforms (XT2000, for examp !! 425         select USB_EHCI_BIG_ENDIAN_MMIO
388           vary.  The frequency can be determin !! 426         select USB_EHCI_BIG_ENDIAN_DESC
389           against a well known, fixed frequenc !! 427         ---help---
                                                   >> 428           If you say Y here if you are running on a SPARC-LEON processor.
                                                   >> 429           The LEON processor is a synthesizable VHDL model of the
                                                   >> 430           SPARC-v8 standard. LEON is  part of the GRLIB collection of
                                                   >> 431           IP cores that are distributed under GPL. GRLIB can be downloaded
                                                   >> 432           from www.gaisler.com. You can download a sparc-linux cross-compilation
                                                   >> 433           toolchain at www.gaisler.com.
                                                   >> 434 
                                                   >> 435 if SPARC_LEON
                                                   >> 436 menu "U-Boot options"
                                                   >> 437 
                                                   >> 438 config UBOOT_LOAD_ADDR
                                                   >> 439         hex "uImage Load Address"
                                                   >> 440         default 0x40004000
                                                   >> 441         ---help---
                                                   >> 442          U-Boot kernel load address, the address in physical address space
                                                   >> 443          where u-boot will place the Linux kernel before booting it.
                                                   >> 444          This address is normally the base address of main memory + 0x4000.
                                                   >> 445 
                                                   >> 446 config UBOOT_FLASH_ADDR
                                                   >> 447         hex "uImage.o Load Address"
                                                   >> 448         default 0x00080000
                                                   >> 449         ---help---
                                                   >> 450          Optional setting only affecting the uImage.o ELF-image used to
                                                   >> 451          download the uImage file to the target using a ELF-loader other than
                                                   >> 452          U-Boot. It may for example be used to download an uImage to FLASH with
                                                   >> 453          the GRMON utility before even starting u-boot.
                                                   >> 454 
                                                   >> 455 config UBOOT_ENTRY_ADDR
                                                   >> 456         hex "uImage Entry Address"
                                                   >> 457         default 0xf0004000
                                                   >> 458         ---help---
                                                   >> 459          Do not change this unless you know what you're doing. This is
                                                   >> 460          hardcoded by the SPARC32 and LEON port.
390                                                   461 
391 config SERIAL_CONSOLE                          !! 462          This is the virtual address u-boot jumps to when booting the Linux
392         def_bool n                             !! 463          Kernel.
393                                                   464 
394 config PLATFORM_HAVE_XIP                       !! 465 endmenu
395         def_bool n                             !! 466 endif
396                                                   467 
397 menu "Platform options"                        !! 468 endmenu
398                                                   469 
399 choice                                         !! 470 menu "Bus options (PCI etc.)"
400         prompt "Xtensa System Type"            !! 471 config SBUS
401         default XTENSA_PLATFORM_ISS            !! 472         bool
                                                   >> 473         default y
402                                                   474 
403 config XTENSA_PLATFORM_ISS                     !! 475 config SBUSCHAR
404         bool "ISS"                             !! 476         bool
405         select XTENSA_CALIBRATE_CCOUNT         !! 477         default y
406         select SERIAL_CONSOLE                  << 
407         help                                   << 
408           ISS is an acronym for Tensilica's In << 
409                                                   478 
410 config XTENSA_PLATFORM_XT2000                  !! 479 config SUN_LDOMS
411         bool "XT2000"                          !! 480         bool "Sun Logical Domains support"
                                                   >> 481         depends on SPARC64
412         help                                      482         help
413           XT2000 is the name of Tensilica's fe !! 483           Say Y here is you want to support virtual devices via
414           This hardware is capable of running  !! 484           Logical Domains.
415                                                   485 
416 config XTENSA_PLATFORM_XTFPGA                  !! 486 config PCI
417         bool "XTFPGA"                          !! 487         bool "Support for PCI and PS/2 keyboard/mouse"
418         select ETHOC if ETHERNET               << 
419         select PLATFORM_WANT_DEFAULT_MEM if !M << 
420         select SERIAL_CONSOLE                  << 
421         select XTENSA_CALIBRATE_CCOUNT         << 
422         select PLATFORM_HAVE_XIP               << 
423         help                                      488         help
424           XTFPGA is the name of Tensilica boar !! 489           Find out whether your system includes a PCI bus. PCI is the name of
425           This hardware is capable of running  !! 490           a bus system, i.e. the way the CPU talks to the other stuff inside
426                                                !! 491           your box.  If you say Y here, the kernel will include drivers and
427 endchoice                                      !! 492           infrastructure code to support PCI bus devices.
428                                                   493 
429 config PLATFORM_NR_IRQS                        !! 494           CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
430         int                                    !! 495           CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
431         default 3 if XTENSA_PLATFORM_XT2000    !! 496           All of these platforms are extremely obscure, so say N if unsure.
432         default 0                              << 
433                                                   497 
434 config XTENSA_CPU_CLOCK                        !! 498 config PCI_DOMAINS
435         int "CPU clock rate [MHz]"             !! 499         def_bool PCI if SPARC64
436         depends on !XTENSA_CALIBRATE_CCOUNT    << 
437         default 16                             << 
438                                                   500 
439 config GENERIC_CALIBRATE_DELAY                 !! 501 config PCI_SYSCALL
440         bool "Auto calibration of the BogoMIPS !! 502         def_bool PCI
441         help                                   << 
442           The BogoMIPS value can easily be der << 
443                                                   503 
444 config CMDLINE_BOOL                            !! 504 config PCIC_PCI
445         bool "Default bootloader kernel argume !! 505         bool
                                                   >> 506         depends on PCI && SPARC32 && !SPARC_LEON
                                                   >> 507         default y
446                                                   508 
447 config CMDLINE                                 !! 509 config LEON_PCI
448         string "Initial kernel command string" !! 510         bool
449         depends on CMDLINE_BOOL                !! 511         depends on PCI && SPARC_LEON
450         default "console=ttyS0,38400 root=/dev !! 512         default y
451         help                                   << 
452           On some architectures (EBSA110 and C << 
453           for the boot loader to pass argument << 
454           architectures, you should supply som << 
455           time by entering them here. As a min << 
456           memory size and the root device (e.g << 
457                                                   513 
458 config USE_OF                                  !! 514 config SPARC_GRPCI1
459         bool "Flattened Device Tree support"   !! 515         bool "GRPCI Host Bridge Support"
460         select OF                              !! 516         depends on LEON_PCI
461         select OF_EARLY_FLATTREE               !! 517         default y
462         help                                      518         help
463           Include support for flattened device !! 519           Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
464                                                !! 520           PCI host controller is typically found in GRLIB SPARC32/LEON
465 config BUILTIN_DTB_SOURCE                      !! 521           systems. The driver has one property (all_pci_errors) controlled
466         string "DTB to build into the kernel i !! 522           from the bootloader that makes the GRPCI to generate interrupts
467         depends on OF                          !! 523           on detected PCI Parity and System errors.
468                                                !! 524 
469 config PARSE_BOOTPARAM                         !! 525 config SPARC_GRPCI2
470         bool "Parse bootparam block"           !! 526         bool "GRPCI2 Host Bridge Support"
                                                   >> 527         depends on LEON_PCI
471         default y                                 528         default y
472         help                                      529         help
473           Parse parameters passed to the kerne !! 530           Say Y here to include the GRPCI2 Host Bridge Driver.
474           be disabled if the kernel is known t << 
475                                                   531 
476           If unsure, say Y.                    !! 532 source "drivers/pci/Kconfig"
477                                                   533 
478 choice                                         !! 534 source "drivers/pcmcia/Kconfig"
479         prompt "Semihosting interface"         << 
480         default XTENSA_SIMCALL_ISS             << 
481         depends on XTENSA_PLATFORM_ISS         << 
482         help                                   << 
483           Choose semihosting interface that wi << 
484           block device and networking.         << 
485                                                   535 
486 config XTENSA_SIMCALL_ISS                      !! 536 config SUN_OPENPROMFS
487         bool "simcall"                         !! 537         tristate "Openprom tree appears in /proc/openprom"
488         help                                      538         help
489           Use simcall instruction. simcall is  !! 539           If you say Y, the OpenPROM device tree will be available as a
490           it does nothing on hardware.         !! 540           virtual file system, which you can mount to /proc/openprom by "mount
                                                   >> 541           -t openpromfs none /proc/openprom".
491                                                   542 
492 config XTENSA_SIMCALL_GDBIO                    !! 543           To compile the /proc/openprom support as a module, choose M here: the
493         bool "GDBIO"                           !! 544           module will be called openpromfs.
494         help                                   << 
495           Use break instruction. It is availab << 
496           is attached to it via JTAG.          << 
497                                                   545 
498 endchoice                                      !! 546           Only choose N if you know in advance that you will not need to modify
499                                                !! 547           OpenPROM settings on the running system.
500 config BLK_DEV_SIMDISK                         << 
501         tristate "Host file-based simulated bl << 
502         default n                              << 
503         depends on XTENSA_PLATFORM_ISS && BLOC << 
504         help                                   << 
505           Create block devices that map to fil << 
506           Device binding to host file may be c << 
507           interface provided the device is not << 
508                                                   548 
509 config BLK_DEV_SIMDISK_COUNT                   !! 549 # Makefile helpers
510         int "Number of host file-based simulat !! 550 config SPARC64_PCI
511         range 1 10                             !! 551         bool
512         depends on BLK_DEV_SIMDISK             !! 552         default y
513         default 2                              !! 553         depends on SPARC64 && PCI
514         help                                   << 
515           This is the default minimal number o << 
516           Kernel/module parameter 'simdisk_cou << 
517           value at runtime. More file names (b << 
518           specified as parameters, simdisk_cou << 
519                                                   554 
520 config SIMDISK0_FILENAME                       !! 555 config SPARC64_PCI_MSI
521         string "Host filename for the first si !! 556         bool
522         depends on BLK_DEV_SIMDISK = y         !! 557         default y
523         default ""                             !! 558         depends on SPARC64_PCI && PCI_MSI
524         help                                   << 
525           Attach a first simdisk to a host fil << 
526           contains a root file system.         << 
527                                                   559 
528 config SIMDISK1_FILENAME                       !! 560 endmenu
529         string "Host filename for the second s << 
530         depends on BLK_DEV_SIMDISK = y && BLK_ << 
531         default ""                             << 
532         help                                   << 
533           Another simulated disk in a host fil << 
534           storage.                             << 
535                                                   561 
536 config XTFPGA_LCD                              !! 562 menu "Executable file formats"
537         bool "Enable XTFPGA LCD driver"        << 
538         depends on XTENSA_PLATFORM_XTFPGA      << 
539         default n                              << 
540         help                                   << 
541           There's a 2x16 LCD on most of XTFPGA << 
542           progress messages there during bootu << 
543           during board bringup.                << 
544                                                   563 
545           If unsure, say N.                    !! 564 source "fs/Kconfig.binfmt"
546                                                   565 
547 config XTFPGA_LCD_BASE_ADDR                    !! 566 config COMPAT
548         hex "XTFPGA LCD base address"          !! 567         bool
549         depends on XTFPGA_LCD                  !! 568         depends on SPARC64
550         default "0x0d0c0000"                   !! 569         default y
551         help                                   !! 570         select COMPAT_BINFMT_ELF
552           Base address of the LCD controller i !! 571         select HAVE_UID16
553           Different boards from XTFPGA family  !! 572         select ARCH_WANT_OLD_COMPAT_IPC
554           addresses. Please consult prototypin !! 573         select COMPAT_OLD_SIGACTION
555           the correct address. Wrong address h << 
556                                                << 
557 config XTFPGA_LCD_8BIT_ACCESS                  << 
558         bool "Use 8-bit access to XTFPGA LCD"  << 
559         depends on XTFPGA_LCD                  << 
560         default n                              << 
561         help                                   << 
562           LCD may be connected with 4- or 8-bi << 
563           only be used with 8-bit interface. P << 
564           guide for your board for the correct << 
565                                                << 
566 comment "Kernel memory layout"                 << 
567                                                << 
568 config INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX    << 
569         bool "Initialize Xtensa MMU inside the << 
570         depends on !XTENSA_VARIANT_FSF && !XTE << 
571         default y if XTENSA_VARIANT_DC233C ||  << 
572         help                                   << 
573           Earlier version initialized the MMU  << 
574           before jumping to _startup in head.S << 
575           it was possible to place a software  << 
576           then enter your normal kernel breakp << 
577           to the kernel mappings (0XC0000000). << 
578                                                << 
579           This unfortunately won't work for U- << 
580           work for using KEXEC to have a hot k << 
581           KDUMP.                               << 
582                                                << 
583           So now the MMU is initialized in hea << 
584           use hardware breakpoints (gdb 'hbrea << 
585           xt-gdb can't place a Software Breakp << 
586           to mapping the MMU and after mapping << 
587           was mapped gdb wouldn't remove the b << 
588           PC wouldn't match. Since Hardware Br << 
589           Linux configurations it seems reason << 
590           and leave this older mechanism for u << 
591           not to follow Tensilica's recommenda << 
592                                                << 
593           Selecting this will cause U-Boot to  << 
594           address at 0x00003000 instead of the << 
595                                                << 
596           If in doubt, say Y.                  << 
597                                                << 
598 config XIP_KERNEL                              << 
599         bool "Kernel Execute-In-Place from ROM << 
600         depends on PLATFORM_HAVE_XIP           << 
601         help                                   << 
602           Execute-In-Place allows the kernel t << 
603           directly addressable by the CPU, suc << 
604           space since the text section of the  << 
605           to RAM. Read-write sections, such as << 
606           are still copied to RAM. The XIP ker << 
607           it has to run directly from flash, s << 
608           store it. The flash address used to  << 
609           and for storing it, is configuration << 
610           say Y here, you must know the proper << 
611           store the kernel image depending on  << 
612                                                << 
613           Also note that the make target becom << 
614           "make Image" or "make uImage". The f << 
615           ROM memory will be arch/xtensa/boot/ << 
616                                                   574 
617           If unsure, say N.                    !! 575 config SYSVIPC_COMPAT
                                                   >> 576         bool
                                                   >> 577         depends on COMPAT && SYSVIPC
                                                   >> 578         default y
618                                                   579 
619 config MEMMAP_CACHEATTR                        !! 580 endmenu
620         hex "Cache attributes for the memory a << 
621         depends on !MMU                        << 
622         default 0x22222222                     << 
623         help                                   << 
624           These cache attributes are set up fo << 
625           specifies cache attributes for the c << 
626           region: bits 0..3 -- for addresses 0 << 
627           bits 4..7 -- for addresses 0x2000000 << 
628                                                << 
629           Cache attribute values are specific  << 
630           For region protection MMUs:          << 
631             1: WT cached,                      << 
632             2: cache bypass,                   << 
633             4: WB cached,                      << 
634             f: illegal.                        << 
635           For full MMU:                        << 
636             bit 0: executable,                 << 
637             bit 1: writable,                   << 
638             bits 2..3:                         << 
639               0: cache bypass,                 << 
640               1: WB cache,                     << 
641               2: WT cache,                     << 
642               3: special (c and e are illegal, << 
643           For MPU:                             << 
644             0: illegal,                        << 
645             1: WB cache,                       << 
646             2: WB, no-write-allocate cache,    << 
647             3: WT cache,                       << 
648             4: cache bypass.                   << 
649                                                << 
650 config KSEG_PADDR                              << 
651         hex "Physical address of the KSEG mapp << 
652         depends on INITIALIZE_XTENSA_MMU_INSID << 
653         default 0x00000000                     << 
654         help                                   << 
655           This is the physical address where K << 
656           the chosen KSEG layout help for the  << 
657           Unpacked kernel image (including vec << 
658           within KSEG.                         << 
659           Physical memory below this address i << 
660                                                << 
661           If unsure, leave the default value h << 
662                                                << 
663 config KERNEL_VIRTUAL_ADDRESS                  << 
664         hex "Kernel virtual address"           << 
665         depends on MMU && XIP_KERNEL           << 
666         default 0xd0003000                     << 
667         help                                   << 
668           This is the virtual address where th << 
669           XIP kernel may be mapped into KSEG o << 
670           provided here must match kernel load << 
671           KERNEL_LOAD_ADDRESS.                 << 
672                                                << 
673 config KERNEL_LOAD_ADDRESS                     << 
674         hex "Kernel load address"              << 
675         default 0x60003000 if !MMU             << 
676         default 0x00003000 if MMU && INITIALIZ << 
677         default 0xd0003000 if MMU && !INITIALI << 
678         help                                   << 
679           This is the address where the kernel << 
680           It is virtual address for MMUv2 conf << 
681           for all other configurations.        << 
682                                                << 
683           If unsure, leave the default value h << 
684                                                << 
685 choice                                         << 
686         prompt "Relocatable vectors location"  << 
687         default XTENSA_VECTORS_IN_TEXT         << 
688         help                                   << 
689           Choose whether relocatable vectors a << 
690           or placed separately at runtime. Thi << 
691           configurations without VECBASE regis << 
692           placed at their hardware-defined loc << 
693                                                << 
694 config XTENSA_VECTORS_IN_TEXT                  << 
695         bool "Merge relocatable vectors into k << 
696         depends on !MTD_XIP                    << 
697         help                                   << 
698           This option puts relocatable vectors << 
699           with proper alignment.               << 
700           This is a safe choice for most confi << 
701                                                << 
702 config XTENSA_VECTORS_SEPARATE                 << 
703         bool "Put relocatable vectors at fixed << 
704         help                                   << 
705           This option puts relocatable vectors << 
706           Vectors are merged with the .init da << 
707           are copied into their designated loc << 
708           Use it to put vectors into IRAM or o << 
709           XIP-aware MTD support.               << 
710                                                << 
711 endchoice                                      << 
712                                                << 
713 config VECTORS_ADDR                            << 
714         hex "Kernel vectors virtual address"   << 
715         default 0x00000000                     << 
716         depends on XTENSA_VECTORS_SEPARATE     << 
717         help                                   << 
718           This is the virtual address of the ( << 
719           It must be within KSEG if MMU is use << 
720                                                << 
721 config XIP_DATA_ADDR                           << 
722         hex "XIP kernel data virtual address"  << 
723         depends on XIP_KERNEL                  << 
724         default 0x00000000                     << 
725         help                                   << 
726           This is the virtual address where XI << 
727           It must be within KSEG if MMU is use << 
728                                                << 
729 config PLATFORM_WANT_DEFAULT_MEM               << 
730         def_bool n                             << 
731                                                << 
732 config DEFAULT_MEM_START                       << 
733         hex                                    << 
734         prompt "PAGE_OFFSET/PHYS_OFFSET" if !M << 
735         default 0x60000000 if PLATFORM_WANT_DE << 
736         default 0x00000000                     << 
737         help                                   << 
738           This is the base address used for bo << 
739           in noMMU configurations.             << 
740                                                << 
741           If unsure, leave the default value h << 
742                                                << 
743 choice                                         << 
744         prompt "KSEG layout"                   << 
745         depends on MMU                         << 
746         default XTENSA_KSEG_MMU_V2             << 
747                                                << 
748 config XTENSA_KSEG_MMU_V2                      << 
749         bool "MMUv2: 128MB cached + 128MB unca << 
750         help                                   << 
751           MMUv2 compatible kernel memory map:  << 
752           at KSEG_PADDR to 0xd0000000 with cac << 
753           without cache.                       << 
754           KSEG_PADDR must be aligned to 128MB. << 
755                                                << 
756 config XTENSA_KSEG_256M                        << 
757         bool "256MB cached + 256MB uncached"   << 
758         depends on INITIALIZE_XTENSA_MMU_INSID << 
759         help                                   << 
760           TLB way 6 maps 256MB starting at KSE << 
761           with cache and to 0xc0000000 without << 
762           KSEG_PADDR must be aligned to 256MB. << 
763                                                << 
764 config XTENSA_KSEG_512M                        << 
765         bool "512MB cached + 512MB uncached"   << 
766         depends on INITIALIZE_XTENSA_MMU_INSID << 
767         help                                   << 
768           TLB way 6 maps 512MB starting at KSE << 
769           with cache and to 0xc0000000 without << 
770           KSEG_PADDR must be aligned to 256MB. << 
771                                                   581 
772 endchoice                                      !! 582 source "net/Kconfig"
773                                                   583 
774 config HIGHMEM                                 !! 584 source "drivers/Kconfig"
775         bool "High Memory Support"             << 
776         depends on MMU                         << 
777         select KMAP_LOCAL                      << 
778         help                                   << 
779           Linux can use the full amount of RAM << 
780           default. However, the default MMUv2  << 
781           lowermost 128 MB of memory linearly  << 
782           at 0xd0000000 (cached) and 0xd800000 << 
783           When there are more than 128 MB memo << 
784           all of it can be "permanently mapped << 
785           The physical memory that's not perma << 
786           "high memory".                       << 
787                                                << 
788           If you are compiling a kernel which  << 
789           machine with more than 128 MB total  << 
790           N here.                              << 
791                                                << 
792           If unsure, say Y.                    << 
793                                                << 
794 config ARCH_FORCE_MAX_ORDER                    << 
795         int "Order of maximal physically conti << 
796         default "10"                           << 
797         help                                   << 
798           The kernel page allocator limits the << 
799           contiguous allocations. The limit is << 
800           defines the maximal power of two of  << 
801           allocated as a single contiguous blo << 
802           overriding the default setting when  << 
803           large blocks of physically contiguou << 
804                                                   585 
805           Don't change if unsure.              !! 586 source "drivers/sbus/char/Kconfig"
806                                                   587 
807 endmenu                                        !! 588 source "fs/Kconfig"
808                                                   589 
809 menu "Power management options"                !! 590 source "arch/sparc/Kconfig.debug"
810                                                   591 
811 config ARCH_HIBERNATION_POSSIBLE               !! 592 source "security/Kconfig"
812         def_bool y                             << 
813                                                   593 
814 source "kernel/power/Kconfig"                  !! 594 source "crypto/Kconfig"
815                                                   595 
816 endmenu                                        !! 596 source "lib/Kconfig"
                                                      

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