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TOMOYO Linux Cross Reference
Linux/arch/um/Kconfig

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Diff markup

Differences between /arch/um/Kconfig (Architecture m68k) and /arch/sparc/Kconfig (Architecture sparc)


  1 # SPDX-License-Identifier: GPL-2.0             !!   1 # SPDX-License-Identifier: GPL-2.0-only
                                                   >>   2 config 64BIT
                                                   >>   3         bool "64-bit kernel" if "$(ARCH)" = "sparc"
                                                   >>   4         default "$(ARCH)" = "sparc64"
                                                   >>   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.
  2                                                     9 
  3 menu "UML-specific options"                    !!  10           Say yes to build a 64-bit kernel - formerly known as sparc64
                                                   >>  11           Say no to build a 32-bit kernel - formerly known as sparc
  4                                                    12 
  5 config UML                                     !!  13 config SPARC
  6         bool                                       14         bool
  7         default y                                  15         default y
  8         select ARCH_HAS_CPU_FINALIZE_INIT      !!  16         select ARCH_HAS_CPU_CACHE_ALIASING
  9         select ARCH_HAS_FORTIFY_SOURCE         !!  17         select ARCH_HAS_DMA_OPS
 10         select ARCH_HAS_GCOV_PROFILE_ALL       !!  18         select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
 11         select ARCH_HAS_KCOV                   !!  19         select ARCH_MIGHT_HAVE_PC_SERIO
 12         select ARCH_HAS_STRNCPY_FROM_USER      !!  20         select OF
 13         select ARCH_HAS_STRNLEN_USER           !!  21         select OF_PROMTREE
 14         select HAVE_ARCH_AUDITSYSCALL          << 
 15         select HAVE_ARCH_KASAN if X86_64       << 
 16         select HAVE_ARCH_KASAN_VMALLOC if HAVE << 
 17         select HAVE_ARCH_SECCOMP_FILTER        << 
 18         select HAVE_ASM_MODVERSIONS                22         select HAVE_ASM_MODVERSIONS
 19         select HAVE_UID16                      !!  23         select HAVE_ARCH_KGDB if !SMP || SPARC64
 20         select HAVE_DEBUG_KMEMLEAK             !!  24         select HAVE_ARCH_TRACEHOOK
 21         select HAVE_DEBUG_BUGVERBOSE           !!  25         select HAVE_ARCH_SECCOMP if SPARC64
 22         select HAVE_PAGE_SIZE_4KB              !!  26         select HAVE_EXIT_THREAD
 23         select NO_DMA if !UML_DMA_EMULATION    !!  27         select HAVE_PCI
 24         select OF_EARLY_FLATTREE if OF         !!  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
 25         select GENERIC_IRQ_SHOW                    33         select GENERIC_IRQ_SHOW
 26         select GENERIC_CPU_DEVICES             !!  34         select ARCH_WANT_IPC_PARSE_VERSION
 27         select HAVE_GCC_PLUGINS                !!  35         select GENERIC_PCI_IOMAP
 28         select ARCH_SUPPORTS_LTO_CLANG         !!  36         select HAS_IOPORT
 29         select ARCH_SUPPORTS_LTO_CLANG_THIN    !!  37         select HAVE_HARDLOCKUP_DETECTOR_SPARC64 if SPARC64
                                                   >>  38         select HAVE_CBPF_JIT if SPARC32
                                                   >>  39         select HAVE_EBPF_JIT if SPARC64
                                                   >>  40         select HAVE_DEBUG_BUGVERBOSE
                                                   >>  41         select GENERIC_SMP_IDLE_THREAD
                                                   >>  42         select MODULES_USE_ELF_RELA
                                                   >>  43         select PCI_SYSCALL if PCI
                                                   >>  44         select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
                                                   >>  45         select ODD_RT_SIGACTION
                                                   >>  46         select OLD_SIGSUSPEND
                                                   >>  47         select CPU_NO_EFFICIENT_FFS
                                                   >>  48         select LOCKDEP_SMALL if LOCKDEP
                                                   >>  49         select NEED_DMA_MAP_STATE
                                                   >>  50         select NEED_SG_DMA_LENGTH
 30         select TRACE_IRQFLAGS_SUPPORT              51         select TRACE_IRQFLAGS_SUPPORT
 31         select TTY # Needed for line.c         << 
 32         select HAVE_ARCH_VMAP_STACK            << 
 33         select HAVE_RUST                       << 
 34         select ARCH_HAS_UBSAN                  << 
 35                                                    52 
 36 config MMU                                     !!  53 config SPARC32
 37         bool                                   !!  54         def_bool !64BIT
 38         default y                              !!  55         select ARCH_32BIT_OFF_T
                                                   >>  56         select ARCH_HAS_CPU_FINALIZE_INIT if !SMP
                                                   >>  57         select ARCH_HAS_SYNC_DMA_FOR_CPU
                                                   >>  58         select CLZ_TAB
                                                   >>  59         select DMA_DIRECT_REMAP
                                                   >>  60         select GENERIC_ATOMIC64
                                                   >>  61         select GENERIC_LIB_CMPDI2
                                                   >>  62         select GENERIC_LIB_UCMPDI2
                                                   >>  63         select HAVE_UID16
                                                   >>  64         select HAVE_PAGE_SIZE_4KB
                                                   >>  65         select LOCK_MM_AND_FIND_VMA
                                                   >>  66         select OLD_SIGACTION
                                                   >>  67         select ZONE_DMA
                                                   >>  68 
                                                   >>  69 config SPARC64
                                                   >>  70         def_bool 64BIT
                                                   >>  71         select ALTERNATE_USER_ADDRESS_SPACE
                                                   >>  72         select HAVE_FUNCTION_TRACER
                                                   >>  73         select HAVE_FUNCTION_GRAPH_TRACER
                                                   >>  74         select HAVE_KRETPROBES
                                                   >>  75         select HAVE_KPROBES
                                                   >>  76         select MMU_GATHER_RCU_TABLE_FREE if SMP
                                                   >>  77         select MMU_GATHER_MERGE_VMAS
                                                   >>  78         select MMU_GATHER_NO_FLUSH_CACHE
                                                   >>  79         select HAVE_ARCH_TRANSPARENT_HUGEPAGE
                                                   >>  80         select HAVE_DYNAMIC_FTRACE
                                                   >>  81         select HAVE_FTRACE_MCOUNT_RECORD
                                                   >>  82         select HAVE_PAGE_SIZE_8KB
                                                   >>  83         select HAVE_SYSCALL_TRACEPOINTS
                                                   >>  84         select HAVE_CONTEXT_TRACKING_USER
                                                   >>  85         select HAVE_TIF_NOHZ
                                                   >>  86         select HAVE_DEBUG_KMEMLEAK
                                                   >>  87         select IOMMU_HELPER
                                                   >>  88         select SPARSE_IRQ
                                                   >>  89         select RTC_DRV_CMOS
                                                   >>  90         select RTC_DRV_BQ4802
                                                   >>  91         select RTC_DRV_SUN4V
                                                   >>  92         select RTC_DRV_STARFIRE
                                                   >>  93         select HAVE_PERF_EVENTS
                                                   >>  94         select PERF_USE_VMALLOC
                                                   >>  95         select ARCH_HAVE_NMI_SAFE_CMPXCHG
                                                   >>  96         select HAVE_C_RECORDMCOUNT
                                                   >>  97         select HAVE_ARCH_AUDITSYSCALL
                                                   >>  98         select ARCH_SUPPORTS_ATOMIC_RMW
                                                   >>  99         select ARCH_SUPPORTS_DEBUG_PAGEALLOC
                                                   >> 100         select HAVE_NMI
                                                   >> 101         select HAVE_REGS_AND_STACK_ACCESS_API
                                                   >> 102         select ARCH_USE_QUEUED_RWLOCKS
                                                   >> 103         select ARCH_USE_QUEUED_SPINLOCKS
                                                   >> 104         select GENERIC_TIME_VSYSCALL
                                                   >> 105         select ARCH_CLOCKSOURCE_DATA
                                                   >> 106         select ARCH_HAS_PTE_SPECIAL
                                                   >> 107         select PCI_DOMAINS if PCI
                                                   >> 108         select ARCH_HAS_GIGANTIC_PAGE
                                                   >> 109         select HAVE_SOFTIRQ_ON_OWN_STACK
                                                   >> 110         select HAVE_SETUP_PER_CPU_AREA
                                                   >> 111         select NEED_PER_CPU_EMBED_FIRST_CHUNK
                                                   >> 112         select NEED_PER_CPU_PAGE_FIRST_CHUNK
 39                                                   113 
 40 config UML_DMA_EMULATION                       !! 114 config ARCH_PROC_KCORE_TEXT
 41         bool                                   !! 115         def_bool y
 42                                                   116 
 43 config NO_IOMEM                                !! 117 config CPU_BIG_ENDIAN
 44         bool "disable IOMEM" if EXPERT         !! 118         def_bool y
 45         depends on !INDIRECT_IOMEM             << 
 46         default y                              << 
 47                                                   119 
 48 config UML_IOMEM_EMULATION                     !! 120 config STACKTRACE_SUPPORT
 49         bool                                      121         bool
 50         select INDIRECT_IOMEM                  !! 122         default y if SPARC64
 51         select HAS_IOPORT                      << 
 52         select GENERIC_PCI_IOMAP               << 
 53         select GENERIC_IOMAP                   << 
 54         select NO_GENERIC_PCI_IOPORT_MAP       << 
 55                                                << 
 56 config NO_IOPORT_MAP                           << 
 57         def_bool !UML_IOMEM_EMULATION          << 
 58                                                   123 
 59 config ISA                                     !! 124 config LOCKDEP_SUPPORT
 60         bool                                      125         bool
                                                   >> 126         default y if SPARC64
 61                                                   127 
 62 config SBUS                                    !! 128 config ARCH_HIBERNATION_POSSIBLE
 63         bool                                   !! 129         def_bool y if SPARC64
 64                                                   130 
 65 config LOCKDEP_SUPPORT                         !! 131 config AUDIT_ARCH
 66         bool                                      132         bool
 67         default y                                 133         default y
 68                                                   134 
 69 config STACKTRACE_SUPPORT                      !! 135 config MMU
 70         bool                                      136         bool
 71         default y                                 137         default y
 72         select STACKTRACE                      << 
 73                                                   138 
 74 config GENERIC_CALIBRATE_DELAY                 !! 139 config HIGHMEM
 75         bool                                      140         bool
 76         default y                              !! 141         default y if SPARC32
                                                   >> 142         select KMAP_LOCAL
                                                   >> 143 
                                                   >> 144 config PGTABLE_LEVELS
                                                   >> 145         default 4 if 64BIT
                                                   >> 146         default 3
 77                                                   147 
 78 config HZ                                      !! 148 config ARCH_SUPPORTS_UPROBES
 79         int                                    !! 149         def_bool y if SPARC64
 80         default 100                            !! 150 
                                                   >> 151 menu "Processor type and features"
                                                   >> 152 
                                                   >> 153 config SMP
                                                   >> 154         bool "Symmetric multi-processing support"
                                                   >> 155         help
                                                   >> 156           This enables support for systems with more than one CPU. If you have
                                                   >> 157           a system with only one CPU, say N. If you have a system with more
                                                   >> 158           than one CPU, say Y.
                                                   >> 159 
                                                   >> 160           If you say N here, the kernel will run on uni- and multiprocessor
                                                   >> 161           machines, but will use only one CPU of a multiprocessor machine. If
                                                   >> 162           you say Y here, the kernel will run on many, but not all,
                                                   >> 163           uniprocessor machines. On a uniprocessor machine, the kernel
                                                   >> 164           will run faster if you say N here.
                                                   >> 165 
                                                   >> 166           People using multiprocessor machines who say Y here should also say
                                                   >> 167           Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
                                                   >> 168           Management" code will be disabled if you say Y here.
                                                   >> 169 
                                                   >> 170           See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
                                                   >> 171           available at <https://www.tldp.org/docs.html#howto>.
                                                   >> 172 
                                                   >> 173           If you don't know what to do here, say N.
 81                                                   174 
 82 config NR_CPUS                                    175 config NR_CPUS
 83         int                                    !! 176         int "Maximum number of CPUs"
 84         range 1 1                              !! 177         depends on SMP
 85         default 1                              !! 178         range 2 32 if SPARC32
                                                   >> 179         range 2 4096 if SPARC64
                                                   >> 180         default 32 if SPARC32
                                                   >> 181         default 4096 if SPARC64
 86                                                   182 
 87 config ARCH_HAS_CACHE_LINE_SIZE                !! 183 source "kernel/Kconfig.hz"
 88         def_bool y                             << 
 89                                                   184 
 90 source "arch/$(HEADER_ARCH)/um/Kconfig"        !! 185 config GENERIC_HWEIGHT
                                                   >> 186         bool
                                                   >> 187         default y
 91                                                   188 
 92 config MAY_HAVE_RUNTIME_DEPS                   !! 189 config GENERIC_CALIBRATE_DELAY
 93         bool                                      190         bool
                                                   >> 191         default y
 94                                                   192 
 95 config STATIC_LINK                             !! 193 config ARCH_MAY_HAVE_PC_FDC
 96         bool "Force a static link"             !! 194         bool
 97         depends on CC_CAN_LINK_STATIC_NO_RUNTI !! 195         default y
 98         help                                   << 
 99           This option gives you the ability to << 
100           Normally, UML is linked as a shared  << 
101           use in a chroot jail.  So, if you in << 
102           you probably want to say Y here.     << 
103           Additionally, this option enables us << 
104           2.75G) for UML.                      << 
105                                                   196 
106           NOTE: This option is incompatible wi !! 197 config EMULATED_CMPXCHG
107           depend on features that require bein !! 198         bool
                                                   >> 199         default y if SPARC32
                                                   >> 200         help
                                                   >> 201           Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
                                                   >> 202           is emulated, and therefore it is not completely atomic.
108                                                   203 
109 config LD_SCRIPT_STATIC                        !! 204 # Makefile helpers
                                                   >> 205 config SPARC32_SMP
110         bool                                      206         bool
111         default y                                 207         default y
112         depends on STATIC_LINK                 !! 208         depends on SPARC32 && SMP
113                                                   209 
114 config LD_SCRIPT_DYN                           !! 210 config SPARC64_SMP
115         bool                                      211         bool
116         default y                                 212         default y
117         depends on !LD_SCRIPT_STATIC           !! 213         depends on SPARC64 && SMP
118                                                   214 
119 config LD_SCRIPT_DYN_RPATH                     !! 215 config EARLYFB
120         bool "set rpath in the binary" if EXPE !! 216         bool "Support for early boot text console"
121         default y                                 217         default y
122         depends on LD_SCRIPT_DYN               !! 218         depends on SPARC64
                                                   >> 219         select FONT_SUN8x16
                                                   >> 220         select FONT_SUPPORT
123         help                                      221         help
124           Add /lib (and /lib64 for 64-bit) to  !! 222           Say Y here to enable a faster early framebuffer boot console.
125           explicitly.                          << 
126                                                << 
127           You may need to turn this off if com << 
128           that have their libraries in random  << 
129           might otherwise unexpected use libra << 
130           instead of the desired ones.         << 
131                                                   223 
132 config HOSTFS                                  !! 224 config HOTPLUG_CPU
133         tristate "Host filesystem"             !! 225         bool "Support for hot-pluggable CPUs"
                                                   >> 226         depends on SPARC64 && SMP
134         help                                      227         help
135           While the User-Mode Linux port uses  !! 228           Say Y here to experiment with turning CPUs off and on.  CPUs
136           booting and normal file access, this !! 229           can be controlled through /sys/devices/system/cpu/cpu#.
137           access files stored on the host.  It !! 230           Say N if you want to disable CPU hotplug.
138           network connection between the Host  !! 231 
139           this might be:                       !! 232 if SPARC64
                                                   >> 233 source "drivers/cpufreq/Kconfig"
                                                   >> 234 endif
                                                   >> 235 
                                                   >> 236 config US3_MC
                                                   >> 237         tristate "UltraSPARC-III Memory Controller driver"
                                                   >> 238         depends on SPARC64
                                                   >> 239         default y
                                                   >> 240         help
                                                   >> 241           This adds a driver for the UltraSPARC-III memory controller.
                                                   >> 242           Loading this driver allows exact mnemonic strings to be
                                                   >> 243           printed in the event of a memory error, so that the faulty DIMM
                                                   >> 244           on the motherboard can be matched to the error.
140                                                   245 
141           mount none /tmp/fromhost -t hostfs - !! 246           If in doubt, say Y, as this information can be very useful.
142                                                   247 
143           where /tmp/fromhost is an empty dire !! 248 # Global things across all Sun machines.
144           /tmp/umlshare is a directory on the  !! 249 config GENERIC_LOCKBREAK
145           wishes to access.                    !! 250         bool
                                                   >> 251         default y
                                                   >> 252         depends on SPARC64 && SMP && PREEMPTION
                                                   >> 253 
                                                   >> 254 config NUMA
                                                   >> 255         bool "NUMA support"
                                                   >> 256         depends on SPARC64 && SMP
                                                   >> 257 
                                                   >> 258 config NODES_SHIFT
                                                   >> 259         int "Maximum NUMA Nodes (as a power of 2)"
                                                   >> 260         range 4 5 if SPARC64
                                                   >> 261         default "5"
                                                   >> 262         depends on NUMA
                                                   >> 263         help
                                                   >> 264           Specify the maximum number of NUMA Nodes available on the target
                                                   >> 265           system.  Increases memory reserved to accommodate various tables.
146                                                   266 
147           For more information, see            !! 267 config ARCH_SPARSEMEM_ENABLE
148           <http://user-mode-linux.sourceforge. !! 268         def_bool y if SPARC64
                                                   >> 269         select SPARSEMEM_VMEMMAP_ENABLE
                                                   >> 270 
                                                   >> 271 config ARCH_SPARSEMEM_DEFAULT
                                                   >> 272         def_bool y if SPARC64
                                                   >> 273 
                                                   >> 274 config ARCH_FORCE_MAX_ORDER
                                                   >> 275         int "Order of maximal physically contiguous allocations"
                                                   >> 276         default "12"
                                                   >> 277         help
                                                   >> 278           The kernel page allocator limits the size of maximal physically
                                                   >> 279           contiguous allocations. The limit is called MAX_PAGE_ORDER and it
                                                   >> 280           defines the maximal power of two of number of pages that can be
                                                   >> 281           allocated as a single contiguous block. This option allows
                                                   >> 282           overriding the default setting when ability to allocate very
                                                   >> 283           large blocks of physically contiguous memory is required.
149                                                   284 
150           If you'd like to be able to work wit !! 285           Don't change if unsure.
151           say Y or M here; otherwise say N.    << 
152                                                   286 
153 config MCONSOLE                                !! 287 if SPARC64 || COMPILE_TEST
154         bool "Management console"              !! 288 source "kernel/power/Kconfig"
155         depends on PROC_FS                     !! 289 endif
                                                   >> 290 
                                                   >> 291 config SCHED_SMT
                                                   >> 292         bool "SMT (Hyperthreading) scheduler support"
                                                   >> 293         depends on SPARC64 && SMP
156         default y                                 294         default y
157         help                                      295         help
158           The user mode linux management conso !! 296           SMT scheduler support improves the CPU scheduler's decision making
159           the kernel, somewhat like the i386 S !! 297           when dealing with SPARC cpus at a cost of slightly increased overhead
160           a full-blown operating system runnin !! 298           in some places. If unsure say N here.
161           instance, there is much greater flex !! 299 
162           SysRq mechanism.                     !! 300 config SCHED_MC
                                                   >> 301         bool "Multi-core scheduler support"
                                                   >> 302         depends on SPARC64 && SMP
                                                   >> 303         default y
                                                   >> 304         help
                                                   >> 305           Multi-core scheduler support improves the CPU scheduler's decision
                                                   >> 306           making when dealing with multi-core CPU chips at a cost of slightly
                                                   >> 307           increased overhead in some places. If unsure say N here.
                                                   >> 308 
                                                   >> 309 config CMDLINE_BOOL
                                                   >> 310         bool "Default bootloader kernel arguments"
                                                   >> 311         depends on SPARC64
                                                   >> 312 
                                                   >> 313 config CMDLINE
                                                   >> 314         string "Initial kernel command string"
                                                   >> 315         depends on CMDLINE_BOOL
                                                   >> 316         default "console=ttyS0,9600 root=/dev/sda1"
                                                   >> 317         help
                                                   >> 318           Say Y here if you want to be able to pass default arguments to
                                                   >> 319           the kernel. This will be overridden by the bootloader, if you
                                                   >> 320           use one (such as SILO). This is most useful if you want to boot
                                                   >> 321           a kernel from TFTP, and want default options to be available
                                                   >> 322           with having them passed on the command line.
                                                   >> 323 
                                                   >> 324           NOTE: This option WILL override the PROM bootargs setting!
163                                                   325 
164           If you answer 'Y' to this option, to !! 326 config SUN_PM
165           mconsole client (called uml_mconsole !! 327         bool
166           2.4.5-9um and later (path /tools/mco !! 328         default y if SPARC32
167           distribution RPM package in 2.4.6 an !! 329         help
                                                   >> 330           Enable power management and CPU standby features on supported
                                                   >> 331           SPARC platforms.
168                                                   332 
169           It is safe to say 'Y' here.          !! 333 config SPARC_LED
                                                   >> 334         tristate "Sun4m LED driver"
                                                   >> 335         depends on SPARC32
                                                   >> 336         help
                                                   >> 337           This driver toggles the front-panel LED on sun4m systems
                                                   >> 338           in a user-specifiable manner.  Its state can be probed
                                                   >> 339           by reading /proc/led and its blinking mode can be changed
                                                   >> 340           via writes to /proc/led
170                                                   341 
171 config MAGIC_SYSRQ                             !! 342 config SERIAL_CONSOLE
172         bool "Magic SysRq key"                 !! 343         bool
173         depends on MCONSOLE                    !! 344         depends on SPARC32
                                                   >> 345         default y
                                                   >> 346         help
                                                   >> 347           If you say Y here, it will be possible to use a serial port as the
                                                   >> 348           system console (the system console is the device which receives all
                                                   >> 349           kernel messages and warnings and which allows logins in single user
                                                   >> 350           mode). This could be useful if some terminal or printer is connected
                                                   >> 351           to that serial port.
                                                   >> 352 
                                                   >> 353           Even if you say Y here, the currently visible virtual console
                                                   >> 354           (/dev/tty0) will still be used as the system console by default, but
                                                   >> 355           you can alter that using a kernel command line option such as
                                                   >> 356           "console=ttyS1". (Try "man bootparam" or see the documentation of
                                                   >> 357           your boot loader (silo) about how to pass options to the kernel at
                                                   >> 358           boot time.)
                                                   >> 359 
                                                   >> 360           If you don't have a graphics card installed and you say Y here, the
                                                   >> 361           kernel will automatically use the first serial line, /dev/ttyS0, as
                                                   >> 362           system console.
                                                   >> 363 
                                                   >> 364           If unsure, say N.
                                                   >> 365 
                                                   >> 366 config SPARC_LEON
                                                   >> 367         bool "Sparc Leon processor family"
                                                   >> 368         depends on SPARC32
                                                   >> 369         select USB_EHCI_BIG_ENDIAN_MMIO
                                                   >> 370         select USB_EHCI_BIG_ENDIAN_DESC
                                                   >> 371         select USB_UHCI_BIG_ENDIAN_MMIO
                                                   >> 372         select USB_UHCI_BIG_ENDIAN_DESC
                                                   >> 373         help
                                                   >> 374           If you say Y here if you are running on a SPARC-LEON processor.
                                                   >> 375           The LEON processor is a synthesizable VHDL model of the
                                                   >> 376           SPARC-v8 standard. LEON is  part of the GRLIB collection of
                                                   >> 377           IP cores that are distributed under GPL. GRLIB can be downloaded
                                                   >> 378           from www.gaisler.com. You can download a sparc-linux cross-compilation
                                                   >> 379           toolchain at www.gaisler.com.
                                                   >> 380 
                                                   >> 381 if SPARC_LEON
                                                   >> 382 menu "U-Boot options"
                                                   >> 383 
                                                   >> 384 config UBOOT_LOAD_ADDR
                                                   >> 385         hex "uImage Load Address"
                                                   >> 386         default 0x40004000
174         help                                      387         help
175           If you say Y here, you will have som !! 388          U-Boot kernel load address, the address in physical address space
176           if the system crashes for example du !! 389          where u-boot will place the Linux kernel before booting it.
177           will be able to flush the buffer cac !! 390          This address is normally the base address of main memory + 0x4000.
178           immediately or dump some status info !! 391 
179           possible requests is provided.       !! 392 config UBOOT_FLASH_ADDR
                                                   >> 393         hex "uImage.o Load Address"
                                                   >> 394         default 0x00080000
                                                   >> 395         help
                                                   >> 396          Optional setting only affecting the uImage.o ELF-image used to
                                                   >> 397          download the uImage file to the target using a ELF-loader other than
                                                   >> 398          U-Boot. It may for example be used to download an uImage to FLASH with
                                                   >> 399          the GRMON utility before even starting u-boot.
                                                   >> 400 
                                                   >> 401 config UBOOT_ENTRY_ADDR
                                                   >> 402         hex "uImage Entry Address"
                                                   >> 403         default 0xf0004000
                                                   >> 404         help
                                                   >> 405          Do not change this unless you know what you're doing. This is
                                                   >> 406          hardcoded by the SPARC32 and LEON port.
180                                                   407 
181           This is the feature normally accompl !! 408          This is the virtual address u-boot jumps to when booting the Linux
182           while holding SysRq (Alt+PrintScreen !! 409          Kernel.
183                                                   410 
184           On UML, this is accomplished by send !! 411 endmenu
185           mconsole, followed by the letter for !! 412 endif
186                                                   413 
187           The keys are documented in <file:Doc !! 414 endmenu
188           unless you really know what this hac << 
189                                                   415 
190 config KERNEL_STACK_ORDER                      !! 416 menu "Bus options (PCI etc.)"
191         int "Kernel stack size order"          !! 417 config SBUS
192         default 2 if 64BIT                     !! 418         bool
193         range 2 10 if 64BIT                    !! 419         default y
194         default 1 if !64BIT                    !! 420 
195         help                                   !! 421 config SBUSCHAR
196           This option determines the size of U !! 422         bool
197           be 1 << order pages.  The default is !! 423         default y
198           on UML, in which case, set this to 3 << 
199           It is possible to reduce the stack t << 
200           older (pre-2017) CPUs. It is not rec << 
201           increase in the size of the state wh << 
202           signals.                             << 
203                                                   424 
204 config MMAPPER                                 !! 425 config SUN_LDOMS
205         tristate "iomem emulation driver"      !! 426         bool "Sun Logical Domains support"
                                                   >> 427         depends on SPARC64
206         help                                      428         help
207           This driver allows a host file to be !! 429           Say Y here is you want to support virtual devices via
208           UML.                                 !! 430           Logical Domains.
209                                                   431 
210 config PGTABLE_LEVELS                          !! 432 config PCIC_PCI
211         int                                    !! 433         bool
212         default 3 if 3_LEVEL_PGTABLES          !! 434         depends on PCI && SPARC32 && !SPARC_LEON
213         default 2                              !! 435         default y
214                                                << 
215 config UML_TIME_TRAVEL_SUPPORT                 << 
216         bool                                   << 
217         prompt "Support time-travel mode (e.g. << 
218         # inf-cpu mode is incompatible with th << 
219         depends on !RAID6_PQ_BENCHMARK         << 
220         depends on !SMP                        << 
221         help                                   << 
222           Enable this option to support time t << 
223                                                << 
224           After enabling this option, two mode << 
225           (selected by the kernel command line << 
226           line help for more details.          << 
227                                                << 
228           It is safe to say Y, but you probabl << 
229                                                << 
230 config KASAN_SHADOW_OFFSET                     << 
231         hex                                    << 
232         depends on KASAN                       << 
233         default 0x100000000000                 << 
234         help                                   << 
235           This is the offset at which the ~16T << 
236           mapped and used by KASAN for memory  << 
237           address that has at least KASAN_SHAD << 
238           by 8) amount of space so that the KA << 
239           with anything. The default is 0x1000 << 
240           set to a large value. On low-memory  << 
241           into the immediate of most instructi << 
242                                                   436 
243 endmenu                                        !! 437 config LEON_PCI
                                                   >> 438         bool
                                                   >> 439         depends on PCI && SPARC_LEON
                                                   >> 440         default y
244                                                   441 
245 source "arch/um/drivers/Kconfig"               !! 442 config SPARC_GRPCI1
                                                   >> 443         bool "GRPCI Host Bridge Support"
                                                   >> 444         depends on LEON_PCI
                                                   >> 445         default y
                                                   >> 446         help
                                                   >> 447           Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
                                                   >> 448           PCI host controller is typically found in GRLIB SPARC32/LEON
                                                   >> 449           systems. The driver has one property (all_pci_errors) controlled
                                                   >> 450           from the bootloader that makes the GRPCI to generate interrupts
                                                   >> 451           on detected PCI Parity and System errors.
                                                   >> 452 
                                                   >> 453 config SPARC_GRPCI2
                                                   >> 454         bool "GRPCI2 Host Bridge Support"
                                                   >> 455         depends on LEON_PCI
                                                   >> 456         default y
                                                   >> 457         help
                                                   >> 458           Say Y here to include the GRPCI2 Host Bridge Driver.
246                                                   459 
247 config ARCH_SUSPEND_POSSIBLE                   !! 460 config SUN_OPENPROMFS
248         def_bool y                             !! 461         tristate "Openprom tree appears in /proc/openprom"
                                                   >> 462         help
                                                   >> 463           If you say Y, the OpenPROM device tree will be available as a
                                                   >> 464           virtual file system, which you can mount to /proc/openprom by "mount
                                                   >> 465           -t openpromfs none /proc/openprom".
249                                                   466 
250 menu "Power management options"                !! 467           To compile the /proc/openprom support as a module, choose M here: the
                                                   >> 468           module will be called openpromfs.
251                                                   469 
252 source "kernel/power/Kconfig"                  !! 470           Only choose N if you know in advance that you will not need to modify
                                                   >> 471           OpenPROM settings on the running system.
                                                   >> 472 
                                                   >> 473 # Makefile helpers
                                                   >> 474 config SPARC64_PCI
                                                   >> 475         bool
                                                   >> 476         default y
                                                   >> 477         depends on SPARC64 && PCI
                                                   >> 478 
                                                   >> 479 config SPARC64_PCI_MSI
                                                   >> 480         bool
                                                   >> 481         default y
                                                   >> 482         depends on SPARC64_PCI && PCI_MSI
253                                                   483 
254 endmenu                                           484 endmenu
                                                   >> 485 
                                                   >> 486 config COMPAT
                                                   >> 487         bool
                                                   >> 488         depends on SPARC64
                                                   >> 489         default y
                                                   >> 490         select HAVE_UID16
                                                   >> 491         select ARCH_WANT_OLD_COMPAT_IPC
                                                   >> 492         select COMPAT_OLD_SIGACTION
                                                   >> 493 
                                                   >> 494 source "drivers/sbus/char/Kconfig"
                                                      

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