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 @ "arm64" ARM 64-bit (AArch64)
  37 @ "ia32" IA-32 32-bit (PC)
  38 @ "ia64" IA-64 64-bit
  39 @ "mips32" MIPS 32-bit
  40 @ "ppc32" PowerPC 32-bit
  41 @ "riscv64" RISC-V 64-bit
  42 @ "sparc64" SPARCv9 64-bit
  43 ! PLATFORM (choice)
  44
  45 % Machine type
  46 @ "msim" MSIM
  47 @ "bmalta" MIPS Malta Development Board big endian
  48 @ "lmalta" MIPS Malta Development Board little endian
  49 ! [PLATFORM=mips32] MACHINE (choice)
  50
  51 % Machine type
  52 @ "i460GX" i460GX chipset machine
  53 @ "ski" Ski ia64 simulator
  54 ! [PLATFORM=ia64] MACHINE (choice)
  55
  56 % Machine type
  57 @ "generic" Generic Sun workstation or server
  58 ! [PLATFORM=sparc64] MACHINE (choice)
  59
  60 % Machine type
  61 @ "gta02" GTA02 / Neo FreeRunner
  62 @ "integratorcp" Integratorcp
  63 @ "beagleboardxm" BeagleBoard-xM
  64 @ "beaglebone" BeagleBone
  65 @ "raspberrypi" Raspberry Pi
  66 ! [PLATFORM=arm32] MACHINE (choice)
  67
  68 % Machine type
  69 @ "virt" QEMU virt
  70 ! [PLATFORM=arm64] MACHINE (choice)
  71
  72 % CPU type
  73 @ "pentium4" Pentium 4
  74 @ "pentium3" Pentium 3
  75 @ "core" Core Solo/Duo
  76 @ "athlon_xp" Athlon XP
  77 @ "athlon_mp" Athlon MP
  78 @ "i486" i486
  79 ! [PLATFORM=ia32] PROCESSOR (choice)
  80
  81 % CPU type
  82 @ "opteron" Opteron
  83 ! [PLATFORM=amd64] PROCESSOR (choice)
  84
  85 % CPU type
  86 @ "us" UltraSPARC I-II subarchitecture
  87 @ "us3" UltraSPARC III-IV subarchitecture
  88 @ "sun4v" Niagara (sun4v)
  89 ! [PLATFORM=sparc64&MACHINE=generic] PROCESSOR (choice)
  90
  91 % Quad float type
  92 @ "hard" Hardware
  93 @ "soft" Software
  94 ! [PLATFORM=sparc64] QUADFLOAT (choice)
  95
  96 % CPU type
  97 @ "cortex_a8" ARM Cortex A-8
  98 ! [PLATFORM=arm32&(MACHINE=beagleboardxm|MACHINE=beaglebone)] PROCESSOR (choice)
  99
 100 % CPU type
 101 @ "arm920t" ARM920T
 102 ! [PLATFORM=arm32&MACHINE=gta02] PROCESSOR (choice)
 103
 104 % CPU type
 105 @ "arm926ej_s" ARM926EJ-S
 106 ! [PLATFORM=arm32&MACHINE=integratorcp] PROCESSOR (choice)
 107
 108 % CPU type
 109 @ "arm1176jzf_s" ARM1176JZF-S
 110 ! [PLATFORM=arm32&MACHINE=raspberrypi] PROCESSOR (choice)
 111
 112 # Add more ARMv4 CPUs
 113 % CPU arch
 114 @ "armv4" ARMv4
 115 ! [PLATFORM=arm32&(PROCESSOR=arm920t)] PROCESSOR_ARCH (choice)
 116
 117 # Add more ARMv5 CPUs
 118 % CPU arch
 119 @ "armv5" ARMv5
 120 ! [PLATFORM=arm32&(PROCESSOR=arm926ej_s)] PROCESSOR_ARCH (choice)
 121
 122 # Add more ARMv6 CPUs
 123 % CPU arch
 124 @ "armv6" ARMv6
 125 ! [PLATFORM=arm32&(PROCESSOR=arm1176jzf_s)] PROCESSOR_ARCH (choice)
 126
 127 # Add more ARMv7-A CPUs
 128 % CPU arch
 129 @ "armv7_a" ARMv7-A
 130 ! [PLATFORM=arm32&(PROCESSOR=cortex_a8)] PROCESSOR_ARCH (choice)
 131
 132 % CPU type
 133 @ "R4000" MIPS R4000
 134 ! [PLATFORM=mips32&MACHINE=msim] PROCESSOR (choice)
 135
 136 % CPU type
 137 @ "4Kc" MIPS 4Kc
 138 ! [PLATFORM=mips32&(MACHINE=bmalta|MACHINE=lmalta)] PROCESSOR (choice)
 139
 140 % Kernel memory model
 141 @ "kernel" Kernel
 142 @ "large" Large
 143 ! [PLATFORM=amd64] MEMORY_MODEL (choice)
 144
 145 % RAM disk format
 146 @ "tmpfs" TMPFS image
 147 @ "fat" FAT16 image
 148 @ "ext4fs" ext4 image
 149 ! RDFMT (choice)
 150
 151
 152 ## Mapping between platform and kernel architecture
 153
 154 % Kernel architecture
 155 @ "abs32le"
 156 ! [PLATFORM=abs32le] KARCH (choice)
 157
 158 % Kernel architecture
 159 @ "amd64"
 160 ! [PLATFORM=amd64] KARCH (choice)
 161
 162 % Kernel architecture
 163 @ "arm32"
 164 ! [PLATFORM=arm32] KARCH (choice)
 165
 166 % Kernel architecture
 167 @ "arm64"
 168 ! [PLATFORM=arm64] KARCH (choice)
 169
 170 % Kernel architecture
 171 @ "ia32"
 172 ! [PLATFORM=ia32] KARCH (choice)
 173
 174 % Kernel architecture
 175 @ "ia32xen"
 176 ! [PLATFORM=ia32xen] KARCH (choice)
 177
 178 % Kernel architecture
 179 @ "ia64"
 180 ! [PLATFORM=ia64] KARCH (choice)
 181
 182 % Kernel architecture
 183 @ "mips32"
 184 ! [PLATFORM=mips32] KARCH (choice)
 185
 186 % Kernel architecture
 187 @ "ppc32"
 188 ! [PLATFORM=ppc32] KARCH (choice)
 189
 190 % Kernel architecture
 191 @ "ppc64"
 192 ! [PLATFORM=ppc64] KARCH (choice)
 193
 194 % Kernel architecture
 195 @ "riscv64"
 196 ! [PLATFORM=riscv64] KARCH (choice)
 197
 198 % Kernel architecture
 199 @ "sparc64"
 200 ! [PLATFORM=sparc64] KARCH (choice)
 201
 202
 203 ## Mapping between platform and user space architecture
 204
 205 % User space architecture
 206 @ "abs32le"
 207 ! [PLATFORM=abs32le] UARCH (choice)
 208
 209 % User space architecture
 210 @ "amd64"
 211 ! [PLATFORM=amd64] UARCH (choice)
 212
 213 % User space architecture
 214 @ "arm32"
 215 ! [PLATFORM=arm32] UARCH (choice)
 216
 217 % User space architecture
 218 @ "arm64"
 219 ! [PLATFORM=arm64] UARCH (choice)
 220
 221 % User space architecture
 222 @ "ia32"
 223 ! [PLATFORM=ia32|PLATFORM=ia32xen] UARCH (choice)
 224
 225 % User space architecture
 226 @ "ia64"
 227 ! [PLATFORM=ia64] UARCH (choice)
 228
 229 % User space architecture
 230 @ "mips32"
 231 ! [PLATFORM=mips32] UARCH (choice)
 232
 233 % User space architecture
 234 @ "ppc32"
 235 ! [PLATFORM=ppc32] UARCH (choice)
 236
 237 % User space architecture
 238 @ "ppc64"
 239 ! [PLATFORM=ppc64] UARCH (choice)
 240
 241 % User space architecture
 242 @ "riscv64"
 243 ! [PLATFORM=riscv64] UARCH (choice)
 244
 245 % User space architecture
 246 @ "sparc64"
 247 ! [PLATFORM=sparc64] UARCH (choice)
 248
 249
 250 ## Mapping between platform and boot architecture
 251
 252 % Boot architecture
 253 @ "abs32le"
 254 ! [PLATFORM=abs32le] BARCH (choice)
 255
 256 % Boot architecture
 257 @ "amd64"
 258 ! [PLATFORM=amd64] BARCH (choice)
 259
 260 % Boot architecture
 261 @ "arm32"
 262 ! [PLATFORM=arm32] BARCH (choice)
 263
 264 % Boot architecture
 265 @ "arm64"
 266 ! [PLATFORM=arm64] BARCH (choice)
 267
 268 % Boot architecture
 269 @ "ia32"
 270 ! [PLATFORM=ia32] BARCH (choice)
 271
 272 % Boot architecture
 273 @ "ia32xen"
 274 ! [PLATFORM=ia32xen] BARCH (choice)
 275
 276 % Boot architecture
 277 @ "ia64"
 278 ! [PLATFORM=ia64] BARCH (choice)
 279
 280 % Boot architecture
 281 @ "mips32"
 282 ! [PLATFORM=mips32] BARCH (choice)
 283
 284 % Boot architecture
 285 @ "ppc32"
 286 ! [PLATFORM=ppc32] BARCH (choice)
 287
 288 % Boot architecture
 289 @ "ppc64"
 290 ! [PLATFORM=ppc64] BARCH (choice)
 291
 292 % Boot architecture
 293 @ "riscv64"
 294 ! [PLATFORM=riscv64] BARCH (choice)
 295
 296 % Boot architecture
 297 @ "sparc64"
 298 ! [PLATFORM=sparc64] BARCH (choice)
 299
 300
 301 ## Mapping between platform and image format
 302
 303 % Image format
 304 @ "binary"
 305 ! [PLATFORM=mips32&MACHINE=msim] IMAGE (choice)
 306
 307 % Image format
 308 @ "elf"
 309 ! [PLATFORM=mips32&(MACHINE=bmalta|MACHINE=lmalta)] IMAGE (choice)
 310
 311
 312 ## Compiler options
 313
 314 % Compiler
 315 @ "gcc_cross" GNU C Compiler (HelenOS-specific cross-compiler)
 316 @ "clang" Clang
 317 ! COMPILER (choice)
 318
 319 % Clang Integrated Assembler
 320 @ "default" Use architecture default.
 321 @ "yes" Use integrated assembler.
 322 @ "no" Use GNU Assembler.
 323 ! [COMPILER=clang] INTEGRATED_AS (choice)
 324
 325 ## Cross-compiler target for abstract architecture
 326
 327 % Cross-compiler target
 328 @ "arm32" ARM 32-bit
 329 @ "ia32" Intel IA-32
 330 @ "mips32" MIPS 32-bit
 331 ! [PLATFORM=abs32le&COMPILER=gcc_cross] CROSS_TARGET (choice)
 332
 333
 334 ## Kernel configuration
 335
 336 % Fences
 337 ! [PLATFORM=ia32&(PROCESSOR=athlon_xp|PROCESSOR=athlon_mp|PROCESSOR=pentium3)] CONFIG_FENCES_P3 (y)
 338
 339 % Fences
 340 ! [PLATFORM=ia32&(PROCESSOR=pentium4|PROCESSOR=core)] CONFIG_FENCES_P4 (y)
 341
 342 % Fences
 343 ! [PLATFORM=amd64] CONFIG_FENCES_P4 (y)
 344
 345 % IOMAP bitmap support
 346 ! [PLATFORM=ia32|PLATFORM=amd64] CONFIG_IOMAP_BITMAP (y)
 347
 348 % IOMAP dummy support
 349 ! [PLATFORM=abs32le|PLATFORM=arm32|PLATFORM=arm64|PLATFORM=mips32|PLATFORM=ppc32|PLATFORM=riscv64|PLATFORM=sparc64] CONFIG_IOMAP_DUMMY (y)
 350
 351 % ACPI support
 352 ! [PLATFORM=ia32|PLATFORM=amd64] CONFIG_ACPI (y)
 353
 354 % Hierarchical page tables support
 355 ! [PLATFORM=abs32le|PLATFORM=ia32|PLATFORM=amd64|PLATFORM=arm32|PLATFORM=arm64|PLATFORM=mips32|PLATFORM=ppc32|PLATFORM=riscv64] CONFIG_PAGE_PT (y)
 356
 357 % Page hash table support
 358 ! [PLATFORM=ia64|PLATFORM=sparc64] CONFIG_PAGE_HT (y)
 359
 360 % Software integer division support
 361 ! [PLATFORM=abs32le|PLATFORM=ia32|PLATFORM=arm32|PLATFORM=ia64|PLATFORM=mips32|PLATFORM=ppc32] CONFIG_SOFTINT (y)
 362
 363 % ASID support
 364 ! [PLATFORM=arm64|PLATFORM=ia64|PLATFORM=mips32|PLATFORM=ppc32|PLATFORM=sparc64] CONFIG_ASID (y)
 365
 366 % ASID FIFO support
 367 ! [PLATFORM=arm64|PLATFORM=ia64|PLATFORM=mips32|PLATFORM=ppc32|PLATFORM=sparc64] CONFIG_ASID_FIFO (y)
 368
 369 % OpenFirmware tree support
 370 ! [PLATFORM=ppc32|PLATFORM=sparc64] CONFIG_OFW_TREE (y)
 371
 372 % OpenFirmware PCI bus support
 373 ! [PLATFORM=sparc64] CONFIG_OFW_PCI (y)
 374
 375 % Multiboot standard support
 376 ! [PLATFORM=ia32|PLATFORM=amd64] CONFIG_MULTIBOOT (y)
 377
 378 % FPU support
 379 ! [PLATFORM=ia32|PLATFORM=amd64|PLATFORM=arm64|PLATFORM=ia64|PLATFORM=ppc32|PLATFORM=sparc64] CONFIG_FPU (y)
 380
 381 ## ARMv7 made FPU hardware compulsory
 382 % FPU support
 383 ! [PLATFORM=arm32&PROCESSOR_ARCH=armv7_a] CONFIG_FPU (y)
 384
 385 % FPU support
 386 ! [PLATFORM=arm32&MACHINE=integratorcp] CONFIG_FPU (y)
 387
 388
 389 ## Kernel features options
 390
 391 % Support for SMP
 392 ! [(PLATFORM=ia32&PROCESSOR!=athlon_xp)|PLATFORM=amd64|PLATFORM=arm64|PLATFORM=sparc64|PLATFORM=ia64|(PLATFORM=mips32&MACHINE=msim)|PLATFORM=abs32le] CONFIG_SMP (y/n)
 393
 394 % Debug build
 395 ! CONFIG_DEBUG (y/n)
 396
 397 % Sanitize undefined behavior (userspace)
 398 ! CONFIG_UBSAN (n/y)
 399
 400 % Sanitize undefined behavior (kernel)
 401 ! CONFIG_UBSAN_KERNEL (n/y)
 402
 403 % Track owner for futexes in userspace.
 404 ! CONFIG_DEBUG_FUTEX (y/n)
 405
 406 % Deadlock detection support for spinlocks
 407 ! [CONFIG_DEBUG=y&CONFIG_SMP=y] CONFIG_DEBUG_SPINLOCK (y/n)
 408
 409 % Lazy FPU context switching
 410 ! [CONFIG_FPU=y] CONFIG_FPU_LAZY (y/n)
 411
 412 % Use VHPT
 413 ! [PLATFORM=ia64] CONFIG_VHPT (n/y)
 414
 415 % Use TSB
 416 ! [PLATFORM=sparc64] CONFIG_TSB (y/n)
 417
 418 % IO SAPIC on default address support
 419 ! [PLATFORM=ia64&MACHINE!=ski] CONFIG_IOSAPIC (y/n)
 420
 421 % Support for Intel i8259 PIC
 422 ! [PLATFORM=ia32|PLATFORM=amd64|(PLATFORM=mips32&MACHINE=bmalta)|(PLATFORM=mips32&MACHINE=lmalta)] CONFIG_I8259 (y)
 423
 424 % Virtually indexed D-cache support
 425 ! [PLATFORM=sparc64] CONFIG_VIRT_IDX_DCACHE (y/n)
 426
 427 % Support for userspace debuggers
 428 ! CONFIG_UDEBUG (y/n)
 429
 430 % Kernel console support
 431 ! CONFIG_KCONSOLE (y/n)
 432
 433 % Kernel symbol information
 434 ! CONFIG_SYMTAB (y/n)
 435
 436 % Detailed kernel logging
 437 ! CONFIG_LOG (n/y)
 438
 439 % Kernel function tracing
 440 ! CONFIG_TRACE (n/y)
 441
 442 % Compile kernel tests
 443 ! CONFIG_TEST (y/n)
 444
 445 % Use link-time optimization
 446 ! [COMPILER=gcc_cross] CONFIG_LTO (n/y)
 447
 448 % Compress init data
 449 ! CONFIG_COMPRESSED_INIT (y/n)
 450
 451 ## User space features options
 452
 453 ## Hardware support
 454
 455 % Input device class
 456 @ "generic" Keyboard or serial line
 457 ! [(PLATFORM=arm32&MACHINE=integratorcp)|PLATFORM=arm64] CONFIG_HID_IN (choice)
 458
 459 % Input device class
 460 @ "generic" Keyboard or serial line
 461 @ "none" No input device
 462 ! [PLATFORM=ia32|PLATFORM=amd64|PLATFORM=mips32|PLATFORM=ppc32|PLATFORM=riscv64|PLATFORM=sparc64] CONFIG_HID_IN (choice)
 463
 464 % Input device class
 465 @ "generic" Keyboard or serial line
 466 @ "keyboard" Keyboard
 467 @ "serial" Serial line
 468 @ "none" No input device
 469 ! [PLATFORM=ia64&MACHINE=i460GX] CONFIG_HID_IN (choice)
 470
 471 % Output device class
 472 @ "generic" Monitor or serial line
 473 ! [(PLATFORM=arm32&(MACHINE=gta02|MACHINE=integratorcp|MACHINE=beagleboardxm|MACHINE=beaglebone|MACHINE=raspberrypi))|PLATFORM=arm64] CONFIG_HID_OUT (choice)
 474
 475 % Output device class
 476 @ "generic" Monitor or serial line
 477 @ "none" No output device
 478 ! [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)
 479
 480 % PC keyboard support
 481 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&(PLATFORM=ia32|PLATFORM=amd64)] CONFIG_PC_KBD (y/n)
 482
 483 % PC keyboard support
 484 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&PLATFORM=ia64&MACHINE=i460GX] CONFIG_PC_KBD (y/n)
 485
 486 % PC keyboard support
 487 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&PLATFORM=arm32&MACHINE=integratorcp] CONFIG_AT_KBD (y/n)
 488
 489 % Support for msim keyboard
 490 ! [CONFIG_HID_IN=generic&MACHINE=msim] CONFIG_MSIM_KBD (y/n)
 491
 492 % Support for msim printer
 493 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=serial)&MACHINE=msim] CONFIG_MSIM_PRN (y/n)
 494
 495 % Support for VIA CUDA controller
 496 ! [CONFIG_HID_IN=generic&PLATFORM=ppc32] CONFIG_VIA_CUDA (y/n)
 497
 498 % Support for NS16550 controller
 499 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&PLATFORM=sparc64&MACHINE=generic] CONFIG_NS16550 (y/n)
 500
 501 % Support for NS16550 controller
 502 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=serial)&PLATFORM=ia64&MACHINE=i460GX] CONFIG_NS16550 (y/n)
 503
 504 % Support for NS16550 controller
 505 ! [CONFIG_HID_IN=generic&PLATFORM=mips32&(MACHINE=lmalta|MACHINE=bmalta)] CONFIG_NS16550 (y)
 506
 507 % Support for PL011 UART
 508 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=serial)&(PLATFORM=arm32&(MACHINE=integratorcp|MACHINE=raspberrypi))] CONFIG_PL011_UART (y/n)
 509
 510 % Support for PL011 UART
 511 ! [CONFIG_HID_OUT=generic|(PLATFORM=arm64&MACHINE=virt)] CONFIG_PL011_UART (y)
 512
 513 % Support for NS16550 controller (kernel console)
 514 ! [(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)
 515
 516 % Use NS16550 controller as serial input (kernel console)
 517 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=serial)&(PLATFORM=ia32|PLATFORM=amd64)&CONFIG_NS16550_KCON=y] CONFIG_NS16550 (y)
 518
 519 % Use NS16550 controller as dummy serial output (kernel console)
 520 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=serial)&(PLATFORM=ia32|PLATFORM=amd64)&CONFIG_NS16550_KCON=y] CONFIG_NS16550_OUT (y)
 521
 522 % Use NS16550 controller as dummy serial output (kernel console)
 523 ! [CONFIG_HID_OUT=generic&PLATFORM=mips32&(MACHINE=lmalta|MACHINE=bmalta)] CONFIG_NS16550_OUT (y)
 524
 525 % Support for Samsung S3C24XX on-chip UART
 526 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=serial)&PLATFORM=arm32&MACHINE=gta02] CONFIG_S3C24XX_UART (y/n)
 527
 528 % Support for Samsung S3C24XX on-chip interrupt controller
 529 ! [PLATFORM=arm32&MACHINE=gta02] CONFIG_S3C24XX_IRQC (y)
 530
 531 % Support for TI AM335x timers support
 532 ! [PLATFORM=arm32&MACHINE=beaglebone] CONFIG_AM335X_TIMERS (y)
 533
 534 % Support for OMAP on-chip UART
 535 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=serial)&PLATFORM=arm32&(MACHINE=beagleboardxm|MACHINE=beaglebone)] CONFIG_OMAP_UART (y/n)
 536
 537 % Support for BCM2835 mailbox
 538 ! [PLATFORM=arm32&MACHINE=raspberrypi] CONFIG_BCM2835_MAILBOX (y/n)
 539
 540 % Support for ARM GICv2
 541 ! [PLATFORM=arm64&MACHINE=virt] CONFIG_GICV2 (y)
 542
 543 % Support for i8042 controller
 544 ! [CONFIG_PC_KBD=y] CONFIG_I8042 (y)
 545
 546 % Support for pl050 controller
 547 ! [CONFIG_HID_IN=generic&PLATFORM=arm32&MACHINE=integratorcp] CONFIG_PL050 (y)
 548
 549 % Sun keyboard support
 550 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&PLATFORM=sparc64&MACHINE=generic&CONFIG_NS16550=y] CONFIG_SUN_KBD (y)
 551
 552 % Sun serial console support
 553 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&PLATFORM=sparc64&MACHINE=generic&CONFIG_NS16550=y] CONFIG_SUN_TTY (y)
 554
 555 % Macintosh ADB keyboard support
 556 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&PLATFORM=ppc32&(CONFIG_VIA_CUDA=y)] CONFIG_MAC_KBD (y)
 557
 558 % Dummy serial line input
 559 ! [CONFIG_MSIM_KBD=y|CONFIG_ARM_KBD=y] CONFIG_DSRLNIN (y)
 560
 561 % Dummy serial line output
 562 ! [CONFIG_MSIM_PRN=y|CONFIG_ARM_PRN=y] CONFIG_DSRLNOUT (y)
 563
 564 % Serial line input module
 565 ! [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=arm64&CONFIG_PL011_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)|(PLATFORM=mips32&CONFIG_NS16550=y)|(PLATFORM=sparc64&CONFIG_SUN_TTY=y)] CONFIG_SRLN (y)
 566
 567 % L4Re uvmm print hypercall support
 568 ! [PLATFORM=amd64] CONFIG_L4RE_UVMM_EARLY_PRINT (n/y)
 569
 570 % EGA support
 571 ! [CONFIG_HID_OUT=generic&(PLATFORM=ia32|PLATFORM=amd64)] CONFIG_EGA (y/n)
 572
 573 % EGA support
 574 ! [CONFIG_HID_OUT=generic&PLATFORM=ia64&MACHINE=i460GX] CONFIG_EGA (y/n)
 575
 576 % Framebuffer support
 577 ! [CONFIG_HID_OUT=generic&(PLATFORM=ia32|PLATFORM=amd64|PLATFORM=ppc32)] CONFIG_FB (y/n)
 578
 579 % Framebuffer support
 580 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=monitor)&PLATFORM=arm32] CONFIG_FB (y/n)
 581
 582 % Framebuffer support
 583 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=monitor)&PLATFORM=sparc64&MACHINE=generic] CONFIG_FB (y/n)
 584
 585 % Default framebuffer mode
 586 @ "640x480"
 587 @ "800x600"
 588 @ "1024x768"
 589 @ "1152x720"
 590 @ "1152x864"
 591 @ "1280x720"
 592 @ "1280x800"
 593 @ "1280x960"
 594 @ "1280x1024"
 595 @ "1400x1050"
 596 @ "1440x900"
 597 @ "1440x1050"
 598 @ "1600x1200"
 599 @ "1920x1080"
 600 @ "1920x1200"
 601 ! [(PLATFORM=ia32|PLATFORM=amd64|MACHINE=beagleboardxm)&CONFIG_HID_OUT!=none&CONFIG_FB=y] CONFIG_BFB_MODE (choice)
 602
 603 % Default framebuffer depth
 604 @ "8"
 605 @ "16"
 606 @ "24"
 607 @ "32"
 608 ! [(PLATFORM=ia32|PLATFORM=amd64|MACHINE=beagleboardxm)&CONFIG_HID_OUT!=none&CONFIG_FB=y] CONFIG_BFB_BPP (choice)
 609
 610 % Start AP processors by the loader
 611 ! [PLATFORM=sparc64&CONFIG_SMP=y] CONFIG_AP (y/n)
 612
 613 % Dynamic linking support
 614 ! [PLATFORM=amd64|PLATFORM=arm32|PLATFORM=ia32|PLATFORM=ia64|PLATFORM=ppc32|PLATFORM=sparc64] CONFIG_RTLD (y/n)
 615 ! [PLATFORM=abs32le|PLATFORM=arm64|PLATFORM=mips32|PLATFORM=riscv64] CONFIG_RTLD (n)
 616
 617 % Build shared libraries
 618 ! [CONFIG_RTLD=y] CONFIG_BUILD_SHARED_LIBS (n/y)
 619 ! [CONFIG_RTLD=n] CONFIG_BUILD_SHARED_LIBS (n)
 620
 621 % Link against shared libraries
 622 ! [CONFIG_BUILD_SHARED_LIBS=y] CONFIG_USE_SHARED_LIBS (n/y)
 623 ! [CONFIG_BUILD_SHARED_LIBS=n] CONFIG_USE_SHARED_LIBS (n)
 624
 625 % Launch (devman) test drivers
 626 ! [CONFIG_DEBUG=y] CONFIG_TEST_DRIVERS (n/y)
 627
 628 % Write core files
 629 ! CONFIG_WRITE_CORE_FILES (n/y)
 630
 631 % Include userspace unit tests (PCUT)
 632 ! CONFIG_PCUT_TESTS (n/y)
 633
 634 % Include PCUT self-tests
 635 ! CONFIG_PCUT_SELF_TESTS (n/y)
 636
 637 % Include development files (headers, libraries)
 638 ! CONFIG_DEVEL_FILES (n/y)
 639
 640 % Strip binaries
 641 ! CONFIG_STRIP_BINARIES (n/y)
 642
 643 % Strip revision information (helpful when comparing outputs)
 644 ! CONFIG_STRIP_REVISION_INFO (n/y)
 645
 646 % Optimization level
 647 @ "3" Level 3 (recommended).
 648 @ "2" Level 2.
 649 @ "1" Level 1.
 650 @ "0" Disable optimizations.
 651 @ "s" Optimize for size.
 652 @ "g" Enable only optimizations that don't harm debugging.
 653 @ "fast" Level 3 + aggressive optimizations that can affect adherence to standards.
 654 ! OPTIMIZATION (choice)
 655
 656 % Barebone build with essential binaries only
 657 ! CONFIG_BAREBONE (n/y)
 658
 659 % Line debugging information
 660 ! [CONFIG_STRIP_BINARIES!=y] CONFIG_LINE_DEBUG (n/y)
 661
 662 # USB settings
 663
 664 % Start virtual USB host controller
 665 ! CONFIG_RUN_VIRTUAL_USB_HC (n/y)
 666
 667 % OHCI root hub port power switching
 668 @ "no" All root hub ports are always powered.
 669 @ "ganged" Root hub ports are all powered or all off.
 670 @ "per_port" Powered status of every root hub port is independent.
 671 ! [PLATFORM=ia32|PLATFORM=amd64|PLATFORM=ppc32] OHCI_POWER_SWITCH (choice)
 672
 673 % GRUB boot loader architecture
 674 @ "pc" GRUB for PC
 675 @ "efi" GRUB for UEFI
 676 ! [PLATFORM=ia32|PLATFORM=amd64] GRUB_ARCH (choice)
 677
 678 % GRUB boot loader architecture
 679 @ "efi" GRUB for UEFI
 680 ! [PLATFORM=arm64&MACHINE=virt] GRUB_ARCH (choice)
 681
 682 % uImage OS type
 683 @ "2" NetBSD stage 2 boot loader
 684 ! [PLATFORM=arm32&(MACHINE=beagleboardxm|MACHINE=beaglebone)] UIMAGE_OS (choice)
 685
 686 % uImage OS type
 687 @ "5" Linux kernel
 688 ! [PLATFORM=arm32&MACHINE!=beagleboardxm&MACHINE!=beaglebone] UIMAGE_OS (choice)