HelenOS.config

   1 #
   2 # Copyright (c) 2006 Ondrej Palkovsky
   3 # Copyright (c) 2009 Martin Decky
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
   8 # are met:
   9 #
  10 # - Redistributions of source code must retain the above copyright
  11 #   notice, this list of conditions and the following disclaimer.
  12 # - Redistributions in binary form must reproduce the above copyright
  13 #   notice, this list of conditions and the following disclaimer in the
  14 #   documentation and/or other materials provided with the distribution.
  15 # - The name of the author may not be used to endorse or promote products
  16 #   derived from this software without specific prior written permission.
  17 #
  18 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28 #
  29
  30 ## General platform options
  31
  32 % Platform
  33 @ "abs32le" abstract 32-bit little endian
  34 @ "amd64" AMD64/EM64T 64-bit (PC)
  35 @ "arm32" ARM 32-bit
  36 @ "ia32" IA-32 32-bit (PC)
  37 @ "ia64" IA-64 64-bit
  38 @ "mips32" MIPS 32-bit
  39 @ "ppc32" PowerPC 32-bit
  40 @ "riscv64" RISC-V 64-bit
  41 @ "sparc64" SPARCv9 64-bit
  42 ! PLATFORM (choice)
  43
  44 % Machine type
  45 @ "msim" MSIM
  46 @ "bmalta" MIPS Malta Development Board big endian
  47 @ "lmalta" MIPS Malta Development Board little endian
  48 ! [PLATFORM=mips32] MACHINE (choice)
  49
  50 % Machine type
  51 @ "i460GX" i460GX chipset machine
  52 @ "ski" Ski ia64 simulator
  53 ! [PLATFORM=ia64] MACHINE (choice)
  54
  55 % Machine type
  56 @ "generic" Generic Sun workstation or server
  57 ! [PLATFORM=sparc64] MACHINE (choice)
  58
  59 % Machine type
  60 @ "gta02" GTA02 / Neo FreeRunner
  61 @ "integratorcp" Integratorcp
  62 @ "beagleboardxm" BeagleBoard-xM
  63 @ "beaglebone" BeagleBone
  64 @ "raspberrypi" Raspberry Pi
  65 ! [PLATFORM=arm32] MACHINE (choice)
  66
  67 % CPU type
  68 @ "pentium4" Pentium 4
  69 @ "pentium3" Pentium 3
  70 @ "core" Core Solo/Duo
  71 @ "athlon_xp" Athlon XP
  72 @ "athlon_mp" Athlon MP
  73 @ "i486" i486
  74 ! [PLATFORM=ia32] PROCESSOR (choice)
  75
  76 % CPU type
  77 @ "opteron" Opteron
  78 ! [PLATFORM=amd64] PROCESSOR (choice)
  79
  80 % CPU type
  81 @ "us" UltraSPARC I-II subarchitecture
  82 @ "us3" UltraSPARC III-IV subarchitecture
  83 @ "sun4v" Niagara (sun4v)
  84 ! [PLATFORM=sparc64&MACHINE=generic] PROCESSOR (choice)
  85
  86 % CPU type
  87 @ "cortex_a8" ARM Cortex A-8
  88 ! [PLATFORM=arm32&(MACHINE=beagleboardxm|MACHINE=beaglebone)] PROCESSOR (choice)
  89
  90 % CPU type
  91 @ "arm920t" ARM920T
  92 ! [PLATFORM=arm32&MACHINE=gta02] PROCESSOR (choice)
  93
  94 % CPU type
  95 @ "arm926ej_s" ARM926EJ-S
  96 ! [PLATFORM=arm32&MACHINE=integratorcp] PROCESSOR (choice)
  97
  98 % CPU type
  99 @ "arm1176" ARM1176
 100 ! [PLATFORM=arm32&MACHINE=raspberrypi] PROCESSOR (choice)
 101
 102 # Add more ARMv4 CPUs
 103 % CPU arch
 104 @ "armv4" ARMv4
 105 ! [PLATFORM=arm32&(PROCESSOR=arm920t)] PROCESSOR_ARCH (choice)
 106
 107 # Add more ARMv5 CPUs
 108 % CPU arch
 109 @ "armv5" ARMv5
 110 ! [PLATFORM=arm32&(PROCESSOR=arm926ej_s)] PROCESSOR_ARCH (choice)
 111
 112 # Add more ARMv6 CPUs
 113 % CPU arch
 114 @ "armv6" ARMv6
 115 ! [PLATFORM=arm32&(PROCESSOR=arm1176)] PROCESSOR_ARCH (choice)
 116
 117 # Add more ARMv7-A CPUs
 118 % CPU arch
 119 @ "armv7_a" ARMv7-A
 120 ! [PLATFORM=arm32&(PROCESSOR=cortex_a8)] PROCESSOR_ARCH (choice)
 121
 122 % CPU type
 123 @ "R4000" MIPS R4000
 124 ! [PLATFORM=mips32&MACHINE=msim] PROCESSOR (choice)
 125
 126 % CPU type
 127 @ "4Kc" MIPS 4Kc
 128 ! [PLATFORM=mips32&(MACHINE=bmalta|MACHINE=lmalta)] PROCESSOR (choice)
 129
 130 % Kernel memory model
 131 @ "kernel" Kernel
 132 @ "large" Large
 133 ! [PLATFORM=amd64] MEMORY_MODEL (choice)
 134
 135 % RAM disk format
 136 @ "tmpfs" TMPFS image
 137 @ "fat" FAT16 image
 138 @ "ext4fs" ext4 image
 139 ! RDFMT (choice)
 140
 141
 142 ## Mapping between platform and kernel architecture
 143
 144 % Kernel architecture
 145 @ "abs32le"
 146 ! [PLATFORM=abs32le] KARCH (choice)
 147
 148 % Kernel architecture
 149 @ "amd64"
 150 ! [PLATFORM=amd64] KARCH (choice)
 151
 152 % Kernel architecture
 153 @ "arm32"
 154 ! [PLATFORM=arm32] KARCH (choice)
 155
 156 % Kernel architecture
 157 @ "ia32"
 158 ! [PLATFORM=ia32] KARCH (choice)
 159
 160 % Kernel architecture
 161 @ "ia32xen"
 162 ! [PLATFORM=ia32xen] KARCH (choice)
 163
 164 % Kernel architecture
 165 @ "ia64"
 166 ! [PLATFORM=ia64] KARCH (choice)
 167
 168 % Kernel architecture
 169 @ "mips32"
 170 ! [PLATFORM=mips32] KARCH (choice)
 171
 172 % Kernel architecture
 173 @ "ppc32"
 174 ! [PLATFORM=ppc32] KARCH (choice)
 175
 176 % Kernel architecture
 177 @ "ppc64"
 178 ! [PLATFORM=ppc64] KARCH (choice)
 179
 180 % Kernel architecture
 181 @ "riscv64"
 182 ! [PLATFORM=riscv64] KARCH (choice)
 183
 184 % Kernel architecture
 185 @ "sparc64"
 186 ! [PLATFORM=sparc64] KARCH (choice)
 187
 188
 189 ## Mapping between platform and user space architecture
 190
 191 % User space architecture
 192 @ "abs32le"
 193 ! [PLATFORM=abs32le] UARCH (choice)
 194
 195 % User space architecture
 196 @ "amd64"
 197 ! [PLATFORM=amd64] UARCH (choice)
 198
 199 % User space architecture
 200 @ "arm32"
 201 ! [PLATFORM=arm32] UARCH (choice)
 202
 203 % User space architecture
 204 @ "ia32"
 205 ! [PLATFORM=ia32|PLATFORM=ia32xen] UARCH (choice)
 206
 207 % User space architecture
 208 @ "ia64"
 209 ! [PLATFORM=ia64] UARCH (choice)
 210
 211 % User space architecture
 212 @ "mips32"
 213 ! [PLATFORM=mips32&(MACHINE=msim|MACHINE=lmalta)] UARCH (choice)
 214
 215 % User space architecture
 216 @ "mips32eb"
 217 ! [PLATFORM=mips32&MACHINE=bmalta] UARCH (choice)
 218
 219 % User space architecture
 220 @ "ppc32"
 221 ! [PLATFORM=ppc32] UARCH (choice)
 222
 223 % User space architecture
 224 @ "ppc64"
 225 ! [PLATFORM=ppc64] UARCH (choice)
 226
 227 % User space architecture
 228 @ "riscv64"
 229 ! [PLATFORM=riscv64] UARCH (choice)
 230
 231 % User space architecture
 232 @ "sparc64"
 233 ! [PLATFORM=sparc64] UARCH (choice)
 234
 235
 236 ## Mapping between platform and boot architecture
 237
 238 % Boot architecture
 239 @ "abs32le"
 240 ! [PLATFORM=abs32le] BARCH (choice)
 241
 242 % Boot architecture
 243 @ "amd64"
 244 ! [PLATFORM=amd64] BARCH (choice)
 245
 246 % Boot architecture
 247 @ "arm32"
 248 ! [PLATFORM=arm32] BARCH (choice)
 249
 250 % Boot architecture
 251 @ "ia32"
 252 ! [PLATFORM=ia32] BARCH (choice)
 253
 254 % Boot architecture
 255 @ "ia32xen"
 256 ! [PLATFORM=ia32xen] BARCH (choice)
 257
 258 % Boot architecture
 259 @ "ia64"
 260 ! [PLATFORM=ia64] BARCH (choice)
 261
 262 % Boot architecture
 263 @ "mips32"
 264 ! [PLATFORM=mips32] BARCH (choice)
 265
 266 % Boot architecture
 267 @ "ppc32"
 268 ! [PLATFORM=ppc32] BARCH (choice)
 269
 270 % Boot architecture
 271 @ "ppc64"
 272 ! [PLATFORM=ppc64] BARCH (choice)
 273
 274 % Boot architecture
 275 @ "riscv64"
 276 ! [PLATFORM=riscv64] BARCH (choice)
 277
 278 % Boot architecture
 279 @ "sparc64"
 280 ! [PLATFORM=sparc64] BARCH (choice)
 281
 282
 283 ## Mapping between platform and image format
 284
 285 % Image format
 286 @ "binary"
 287 ! [PLATFORM=mips32&MACHINE=msim] IMAGE (choice)
 288
 289 % Image format
 290 @ "elf"
 291 ! [PLATFORM=mips32&(MACHINE=bmalta|MACHINE=lmalta)] IMAGE (choice)
 292
 293
 294 ## Compiler options
 295
 296 % Compiler
 297 @ "gcc_cross" GNU C Compiler (cross-compiler)
 298 @ "clang" Clang
 299 @ "gcc_helenos" GNU C Compiler (experimental HelenOS-specific cross-compiler)
 300 @ "gcc_native" GNU C Compiler (native)
 301 ! COMPILER (choice)
 302
 303 % Clang Integrated Assembler
 304 @ "default" Use architecture default.
 305 @ "yes" Use integrated assembler.
 306 @ "no" Use GNU Assembler.
 307 ! [COMPILER=clang] INTEGRATED_AS (choice)
 308
 309 ## Cross-compiler target for abstract architecture
 310
 311 % Cross-compiler target
 312 @ "arm32" ARM 32-bit
 313 @ "ia32" Intel IA-32
 314 @ "mips32" MIPS 32-bit
 315 ! [PLATFORM=abs32le&(COMPILER=gcc_cross|COMPILER=gcc_helenos)] CROSS_TARGET (choice)
 316
 317
 318 ## Kernel configuration
 319
 320 % Fences
 321 ! [PLATFORM=ia32&(PROCESSOR=athlon_xp|PROCESSOR=athlon_mp|PROCESSOR=pentium3)] CONFIG_FENCES_P3 (y)
 322
 323 % Fences
 324 ! [PLATFORM=ia32&(PROCESSOR=pentium4|PROCESSOR=core)] CONFIG_FENCES_P4 (y)
 325
 326 % Fences
 327 ! [PLATFORM=amd64] CONFIG_FENCES_P4 (y)
 328
 329 % IOMAP bitmap support
 330 ! [PLATFORM=ia32|PLATFORM=amd64] CONFIG_IOMAP_BITMAP (y)
 331
 332 % IOMAP dummy support
 333 ! [PLATFORM=abs32le|PLATFORM=arm32|PLATFORM=mips32|PLATFORM=ppc32|PLATFORM=riscv64|PLATFORM=sparc64] CONFIG_IOMAP_DUMMY (y)
 334
 335 % ACPI support
 336 ! [PLATFORM=ia32|PLATFORM=amd64] CONFIG_ACPI (y)
 337
 338 % Hierarchical page tables support
 339 ! [PLATFORM=abs32le|PLATFORM=ia32|PLATFORM=amd64|PLATFORM=arm32|PLATFORM=mips32|PLATFORM=ppc32|PLATFORM=riscv64] CONFIG_PAGE_PT (y)
 340
 341 % Page hash table support
 342 ! [PLATFORM=ia64|PLATFORM=sparc64] CONFIG_PAGE_HT (y)
 343
 344 % Software integer division support
 345 ! [PLATFORM=abs32le|PLATFORM=ia32|PLATFORM=arm32|PLATFORM=ia64|PLATFORM=mips32|PLATFORM=ppc32] CONFIG_SOFTINT (y)
 346
 347 % ASID support
 348 ! [PLATFORM=ia64|PLATFORM=mips32|PLATFORM=ppc32|PLATFORM=sparc64] CONFIG_ASID (y)
 349
 350 % ASID FIFO support
 351 ! [PLATFORM=ia64|PLATFORM=mips32|PLATFORM=ppc32|PLATFORM=sparc64] CONFIG_ASID_FIFO (y)
 352
 353 % OpenFirmware tree support
 354 ! [PLATFORM=ppc32|PLATFORM=sparc64] CONFIG_OFW_TREE (y)
 355
 356 % OpenFirmware PCI bus support
 357 ! [PLATFORM=sparc64] CONFIG_OFW_PCI (y)
 358
 359 % Multiboot standard support
 360 ! [PLATFORM=ia32|PLATFORM=amd64] CONFIG_MULTIBOOT (y)
 361
 362 % FPU support
 363 ! [PLATFORM=ia32|PLATFORM=amd64|PLATFORM=ia64|PLATFORM=ppc32|PLATFORM=sparc64] CONFIG_FPU (y)
 364
 365 ## ARMv7 made FPU hardware compulsory
 366 % FPU support
 367 ! [PLATFORM=arm32&PROCESSOR_ARCH=armv7_a] CONFIG_FPU (y)
 368
 369 % FPU support
 370 ! [PLATFORM=arm32&MACHINE=integratorcp] CONFIG_FPU (y)
 371
 372
 373 ## Kernel features options
 374
 375 % Support for SMP
 376 ! [(PLATFORM=ia32&PROCESSOR!=athlon_xp)|PLATFORM=amd64|PLATFORM=sparc64|PLATFORM=ia64|(PLATFORM=mips32&MACHINE=msim)|PLATFORM=abs32le] CONFIG_SMP (y/n)
 377
 378 % Debug build
 379 ! CONFIG_DEBUG (y/n)
 380
 381 % Sanitize undefined behavior (userspace)
 382 ! CONFIG_UBSAN (n/y)
 383
 384 % Sanitize undefined behavior (kernel)
 385 ! CONFIG_UBSAN_KERNEL (n/y)
 386
 387 % Track owner for futexes in userspace.
 388 ! CONFIG_DEBUG_FUTEX (y/n)
 389
 390 % Deadlock detection support for spinlocks
 391 ! [CONFIG_DEBUG=y&CONFIG_SMP=y] CONFIG_DEBUG_SPINLOCK (y/n)
 392
 393 % Lazy FPU context switching
 394 ! [CONFIG_FPU=y] CONFIG_FPU_LAZY (y/n)
 395
 396 % Use VHPT
 397 ! [PLATFORM=ia64] CONFIG_VHPT (n/y)
 398
 399 % Use TSB
 400 ! [PLATFORM=sparc64] CONFIG_TSB (y/n)
 401
 402 % IO SAPIC on default address support
 403 ! [PLATFORM=ia64&MACHINE!=ski] CONFIG_IOSAPIC (y/n)
 404
 405 % Virtually indexed D-cache support
 406 ! [PLATFORM=sparc64] CONFIG_VIRT_IDX_DCACHE (y/n)
 407
 408 % Support for userspace debuggers
 409 ! CONFIG_UDEBUG (y/n)
 410
 411 % Kernel console support
 412 ! CONFIG_KCONSOLE (y/n)
 413
 414 % Kernel symbol information
 415 ! CONFIG_SYMTAB (y/n)
 416
 417 % Detailed kernel logging
 418 ! CONFIG_LOG (n/y)
 419
 420 % Kernel function tracing
 421 ! CONFIG_TRACE (n/y)
 422
 423 % Compile kernel tests
 424 ! CONFIG_TEST (y/n)
 425
 426 % Use link-time optimization
 427 ! [COMPILER=gcc_cross|COMPILER=gcc_native] CONFIG_LTO (n/y)
 428
 429 % Kernel RCU algorithm
 430 @ "PREEMPT_PODZIMEK" Preemptible Podzimek-RCU
 431 @ "PREEMPT_A" Preemptible A-RCU
 432 ! RCU (choice)
 433
 434
 435 ## User space features options
 436
 437 % Light weight futex locks
 438 ! FUTEX_UPGRADABLE (n/y)
 439
 440
 441 ## Hardware support
 442
 443 % Input device class
 444 @ "generic" Keyboard or serial line
 445 ! [PLATFORM=arm32&MACHINE=integratorcp] CONFIG_HID_IN (choice)
 446
 447 % Input device class
 448 @ "generic" Keyboard or serial line
 449 @ "none" No input device
 450 ! [PLATFORM=ia32|PLATFORM=amd64|PLATFORM=mips32|PLATFORM=ppc32|PLATFORM=riscv64|PLATFORM=sparc64] CONFIG_HID_IN (choice)
 451
 452 % Input device class
 453 @ "generic" Keyboard or serial line
 454 @ "keyboard" Keyboard
 455 @ "serial" Serial line
 456 @ "none" No input device
 457 ! [PLATFORM=ia64&MACHINE=i460GX] CONFIG_HID_IN (choice)
 458
 459 % Output device class
 460 @ "generic" Monitor or serial line
 461 ! [PLATFORM=arm32&(MACHINE=gta02|MACHINE=integratorcp|MACHINE=beagleboardxm|MACHINE=beaglebone|MACHINE=raspberrypi)] CONFIG_HID_OUT (choice)
 462
 463 % Output device class
 464 @ "generic" Monitor or serial line
 465 @ "none" No output device
 466 ! [PLATFORM=ia32|PLATFORM=amd64|PLATFORM=sparc64|PLATFORM=ppc32|(PLATFORM=ia64&MACHINE=i460GX)|(PLATFORM=mips32&(MACHINE=msim|MACHINE=bmalta|MACHINE=lmalta))|PLATFORM=riscv64] CONFIG_HID_OUT (choice)
 467
 468 % PC keyboard support
 469 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&(PLATFORM=ia32|PLATFORM=amd64)] CONFIG_PC_KBD (y/n)
 470
 471 % PC keyboard support
 472 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&PLATFORM=ia64&MACHINE=i460GX] CONFIG_PC_KBD (y/n)
 473
 474 % PC keyboard support
 475 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&PLATFORM=arm32&MACHINE=integratorcp] CONFIG_AT_KBD (y/n)
 476
 477 % Support for msim keyboard
 478 ! [CONFIG_HID_IN=generic&MACHINE=msim] CONFIG_MSIM_KBD (y/n)
 479
 480 % Support for msim printer
 481 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=serial)&MACHINE=msim] CONFIG_MSIM_PRN (y/n)
 482
 483 % Support for VIA CUDA controller
 484 ! [CONFIG_HID_IN=generic&PLATFORM=ppc32] CONFIG_VIA_CUDA (y/n)
 485
 486 % Support for NS16550 controller
 487 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&PLATFORM=sparc64&MACHINE=generic] CONFIG_NS16550 (y/n)
 488
 489 % Support for NS16550 controller
 490 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=serial)&PLATFORM=ia64&MACHINE=i460GX] CONFIG_NS16550 (y/n)
 491
 492 % Support for PL011 UART
 493 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=serial)&PLATFORM=arm32&(MACHINE=integratorcp|MACHINE=raspberrypi)] CONFIG_PL011_UART (y/n)
 494
 495 % Support for NS16550 controller (kernel console)
 496 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=serial|CONFIG_HID_OUT=generic|CONFIG_HID_OUT=serial)&(PLATFORM=ia32|PLATFORM=amd64)] CONFIG_NS16550_KCON (y/n)
 497
 498 % Use NS16550 controller as serial input (kernel console)
 499 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=serial)&(PLATFORM=ia32|PLATFORM=amd64)&CONFIG_NS16550_KCON=y] CONFIG_NS16550 (y)
 500
 501 % Use NS16550 controller as dummy serial output (kernel console)
 502 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=serial)&(PLATFORM=ia32|PLATFORM=amd64)&CONFIG_NS16550_KCON=y] CONFIG_NS16550_OUT (y)
 503
 504 % Support for Samsung S3C24XX on-chip UART
 505 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=serial)&PLATFORM=arm32&MACHINE=gta02] CONFIG_S3C24XX_UART (y/n)
 506
 507 % Support for Samsung S3C24XX on-chip interrupt controller
 508 ! [PLATFORM=arm32&MACHINE=gta02] CONFIG_S3C24XX_IRQC (y)
 509
 510 % Support for TI AM335x timers support
 511 ! [PLATFORM=arm32&MACHINE=beaglebone] CONFIG_AM335X_TIMERS (y)
 512
 513 % Support for OMAP on-chip UART
 514 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=serial)&PLATFORM=arm32&(MACHINE=beagleboardxm|MACHINE=beaglebone)] CONFIG_OMAP_UART (y/n)
 515
 516 % Support for BCM2835 mailbox
 517 ! [PLATFORM=arm32&MACHINE=raspberrypi] CONFIG_BCM2835_MAILBOX (y/n)
 518
 519 % Support for i8042 controller
 520 ! [CONFIG_PC_KBD=y] CONFIG_I8042 (y)
 521
 522 % Support for pl050 controller
 523 ! [CONFIG_HID_IN=generic&PLATFORM=arm32&MACHINE=integratorcp] CONFIG_PL050 (y)
 524
 525 % Sun keyboard support
 526 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&PLATFORM=sparc64&MACHINE=generic&CONFIG_NS16550=y] CONFIG_SUN_KBD (y)
 527
 528 % Macintosh ADB keyboard support
 529 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&PLATFORM=ppc32&(CONFIG_VIA_CUDA=y)] CONFIG_MAC_KBD (y)
 530
 531 % Dummy serial line input
 532 ! [CONFIG_MSIM_KBD=y|CONFIG_ARM_KBD=y] CONFIG_DSRLNIN (y)
 533
 534 % Dummy serial line output
 535 ! [CONFIG_MSIM_PRN=y|CONFIG_ARM_PRN=y] CONFIG_DSRLNOUT (y)
 536
 537 % Serial line input module
 538 ! [CONFIG_DSRLNIN=y|(PLATFORM=arm32&MACHINE=gta02)|(PLATFORM=arm32&MACHINE=integratorcp&CONFIG_PL011_UART=y)|(PLATFORM=arm32&MACHINE=beaglebone&CONFIG_OMAP_UART=y)|(PLATFORM=arm32&MACHINE=beagleboardxm&CONFIG_OMAP_UART=y)|(PLATFORM=ia64&MACHINE=i460GX&CONFIG_NS16550=y)|(PLATFORM=ia64&MACHINE=ski)|(PLATFORM=sparc64&PROCESSOR=sun4v)|(PLATFORM=arm32&MACHINE=raspberrypi&CONFIG_PL011_UART=y)|(PLATFORM=ia32&CONFIG_NS16550=y)|(PLATFORM=amd64&CONFIG_NS16550=y)] CONFIG_SRLN (y)
 539
 540 % EGA support
 541 ! [CONFIG_HID_OUT=generic&(PLATFORM=ia32|PLATFORM=amd64)] CONFIG_EGA (y/n)
 542
 543 % EGA support
 544 ! [CONFIG_HID_OUT=generic&PLATFORM=ia64&MACHINE=i460GX] CONFIG_EGA (y/n)
 545
 546 % Framebuffer support
 547 ! [CONFIG_HID_OUT=generic&(PLATFORM=ia32|PLATFORM=amd64|PLATFORM=ppc32)] CONFIG_FB (y/n)
 548
 549 % Framebuffer support
 550 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=monitor)&PLATFORM=arm32] CONFIG_FB (y/n)
 551
 552 % Framebuffer support
 553 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=monitor)&PLATFORM=sparc64&MACHINE=generic] CONFIG_FB (y/n)
 554
 555 % Default framebuffer mode
 556 @ "640x480"
 557 @ "800x600"
 558 @ "1024x768"
 559 @ "1152x720"
 560 @ "1152x864"
 561 @ "1280x720"
 562 @ "1280x800"
 563 @ "1280x960"
 564 @ "1280x1024"
 565 @ "1400x1050"
 566 @ "1440x900"
 567 @ "1440x1050"
 568 @ "1600x1200"
 569 @ "1920x1080"
 570 @ "1920x1200"
 571 ! [(PLATFORM=ia32|PLATFORM=amd64|MACHINE=beagleboardxm)&CONFIG_HID_OUT!=none&CONFIG_FB=y] CONFIG_BFB_MODE (choice)
 572
 573 % Default framebuffer depth
 574 @ "8"
 575 @ "16"
 576 @ "24"
 577 @ "32"
 578 ! [(PLATFORM=ia32|PLATFORM=amd64|MACHINE=beagleboardxm)&CONFIG_HID_OUT!=none&CONFIG_FB=y] CONFIG_BFB_BPP (choice)
 579
 580 % Start AP processors by the loader
 581 ! [PLATFORM=sparc64&CONFIG_SMP=y] CONFIG_AP (y/n)
 582
 583 % Dynamic linking support
 584 ! [PLATFORM=ia32] CONFIG_RTLD (n/y)
 585 ! [PLATFORM=abs32le|PLATFORM=amd64|PLATFORM=arm32|PLATFORM=ia64|PLATFORM=mips32|PLATFORM=ppc32|PLATFORM=riscv64|PLATFORM=sparc64] CONFIG_RTLD (n)
 586
 587 % Build shared libraries
 588 ! [CONFIG_RTLD=y] CONFIG_BUILD_SHARED_LIBS (n/y)
 589 ! [CONFIG_RTLD=n] CONFIG_BUILD_SHARED_LIBS (n)
 590
 591 % Link against shared libraries
 592 ! [CONFIG_BUILD_SHARED_LIBS=y] CONFIG_USE_SHARED_LIBS (n/y)
 593 ! [CONFIG_BUILD_SHARED_LIBS=n] CONFIG_USE_SHARED_LIBS (n)
 594
 595 % Launch (devman) test drivers
 596 ! [CONFIG_DEBUG=y] CONFIG_TEST_DRIVERS (n/y)
 597
 598 % Write core files
 599 ! CONFIG_WRITE_CORE_FILES (n/y)
 600
 601 % Include userspace unit tests (PCUT)
 602 ! CONFIG_PCUT_TESTS (n/y)
 603
 604 % Include PCUT self-tests
 605 ! CONFIG_PCUT_SELF_TESTS (n/y)
 606
 607 % Include development files (headers, libraries)
 608 ! CONFIG_DEVEL_FILES (n/y)
 609
 610 % Strip binaries
 611 ! CONFIG_STRIP_BINARIES (n/y)
 612
 613 % Strip revision information (helpful when comparing outputs)
 614 ! CONFIG_STRIP_REVISION_INFO (n/y)
 615
 616 % Optimization level
 617 @ "3" Level 3 (recommended).
 618 @ "2" Level 2.
 619 @ "1" Level 1.
 620 @ "0" Disable optimizations.
 621 @ "s" Optimize for size.
 622 @ "g" Enable only optimizations that don't harm debugging.
 623 @ "fast" Level 3 + aggressive optimizations that can affect adherence to standards.
 624 ! OPTIMIZATION (choice)
 625
 626 % Barebone build with essential binaries only
 627 ! CONFIG_BAREBONE (n/y)
 628
 629 % Line debugging information
 630 ! [CONFIG_STRIP_BINARIES!=y] CONFIG_LINE_DEBUG (n/y)
 631
 632 # USB settings
 633
 634 % Start virtual USB host controller
 635 ! CONFIG_RUN_VIRTUAL_USB_HC (n/y)
 636
 637 % OHCI root hub port power switching
 638 @ "no" All root hub ports are always powered.
 639 @ "ganged" Root hub ports are all powered or all off.
 640 @ "per_port" Powered status of every root hub port is independent.
 641 ! [PLATFORM=ia32|PLATFORM=amd64|PLATFORM=ppc32] OHCI_POWER_SWITCH (choice)
 642
 643 % GRUB boot loader architecture
 644 @ "pc" GRUB for PC
 645 @ "efi" GRUB for UEFI
 646 ! [PLATFORM=ia32|PLATFORM=amd64] GRUB_ARCH (choice)
 647
 648 % uImage OS type
 649 @ "2" NetBSD stage 2 boot loader
 650 ! [PLATFORM=arm32&(MACHINE=beagleboardxm|MACHINE=beaglebone)] UIMAGE_OS (choice)
 651
 652 % uImage OS type
 653 @ "5" Linux kernel
 654 ! [PLATFORM=arm32&MACHINE!=beagleboardxm&MACHINE!=beaglebone] UIMAGE_OS (choice)