2 # Copyright (c) 2006 Ondrej Palkovsky
3 # Copyright (c) 2009 Martin Decky
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
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.
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.
30 ## General platform options
33 @ "abs32le" abstract 32-bit little endian
34 @ "amd64" AMD64/EM64T 64-bit (PC)
36 @ "ia32" IA-32 32-bit (PC)
38 @ "mips32" MIPS 32-bit
39 @ "mips64" MIPS 64-bit
40 @ "ppc32" PowerPC 32-bit
41 @ "sparc32" SPARCv8 32-bit
42 @ "sparc64" SPARCv9 64-bit
47 @ "bmalta" MIPS Malta Development Board big endian
48 @ "lmalta" MIPS Malta Development Board little endian
49 ! [PLATFORM=mips32] MACHINE (choice)
53 ! [PLATFORM=mips64] MACHINE (choice)
56 @ "i460GX" i460GX chipset machine
57 @ "ski" Ski ia64 simulator
58 ! [PLATFORM=ia64] MACHINE (choice)
61 @ "generic" Generic Sun workstation or server
62 ! [PLATFORM=sparc64] MACHINE (choice)
65 @ "leon3" Gaisler Aeroflex LEON3
66 ! [PLATFORM=sparc32] MACHINE (choice)
69 @ "gta02" GTA02 / Neo FreeRunner
70 @ "integratorcp" Integratorcp
71 @ "beagleboardxm" BeagleBoard-xM
72 @ "beaglebone" BeagleBone
73 @ "raspberrypi" Raspberry Pi
74 ! [PLATFORM=arm32] MACHINE (choice)
77 @ "pentium4" Pentium 4
78 @ "pentium3" Pentium 3
79 @ "core" Core Solo/Duo
80 @ "athlon_xp" Athlon XP
81 @ "athlon_mp" Athlon MP
83 ! [PLATFORM=ia32] PROCESSOR (choice)
87 ! [PLATFORM=amd64] PROCESSOR (choice)
90 @ "leon3" Gaisler Aeroflex LEON3
91 ! [PLATFORM=sparc32&MACHINE=leon3] PROCESSOR (choice)
94 @ "us" UltraSPARC I-II subarchitecture
95 @ "us3" UltraSPARC III-IV subarchitecture
96 @ "sun4v" Niagara (sun4v)
97 ! [PLATFORM=sparc64&MACHINE=generic] PROCESSOR (choice)
100 @ "cortex_a8" ARM Cortex A-8
101 ! [PLATFORM=arm32&(MACHINE=beagleboardxm|MACHINE=beaglebone)] PROCESSOR (choice)
105 ! [PLATFORM=arm32&MACHINE=gta02] PROCESSOR (choice)
108 @ "arm926ej_s" ARM926EJ-S
109 ! [PLATFORM=arm32&MACHINE=integratorcp] PROCESSOR (choice)
113 ! [PLATFORM=arm32&MACHINE=raspberrypi] PROCESSOR (choice)
115 # Add more ARMv4 CPUs
118 ! [PLATFORM=arm32&(PROCESSOR=arm920t)] PROCESSOR_ARCH (choice)
120 # Add more ARMv5 CPUs
123 ! [PLATFORM=arm32&(PROCESSOR=arm926ej_s)] PROCESSOR_ARCH (choice)
125 # Add more ARMv6 CPUs
128 ! [PLATFORM=arm32&(PROCESSOR=arm1176)] PROCESSOR_ARCH (choice)
130 # Add more ARMv7-A CPUs
133 ! [PLATFORM=arm32&(PROCESSOR=cortex_a8)] PROCESSOR_ARCH (choice)
137 ! [PLATFORM=mips32&MACHINE=msim] PROCESSOR (choice)
141 ! [PLATFORM=mips32&(MACHINE=bmalta|MACHINE=lmalta)] PROCESSOR (choice)
144 @ "tmpfs" TMPFS image
146 @ "ext4fs" ext4 image
150 ## Mapping between platform and kernel architecture
152 % Kernel architecture
154 ! [PLATFORM=abs32le] KARCH (choice)
156 % Kernel architecture
158 ! [PLATFORM=amd64] KARCH (choice)
160 % Kernel architecture
162 ! [PLATFORM=arm32] KARCH (choice)
164 % Kernel architecture
166 ! [PLATFORM=ia32] KARCH (choice)
168 % Kernel architecture
170 ! [PLATFORM=ia32xen] KARCH (choice)
172 % Kernel architecture
174 ! [PLATFORM=ia64] KARCH (choice)
176 % Kernel architecture
178 ! [PLATFORM=mips32] KARCH (choice)
180 % Kernel architecture
182 ! [PLATFORM=mips64] KARCH (choice)
184 % Kernel architecture
186 ! [PLATFORM=ppc32] KARCH (choice)
188 % Kernel architecture
190 ! [PLATFORM=ppc64] KARCH (choice)
192 % Kernel architecture
194 ! [PLATFORM=sparc32] KARCH (choice)
196 % Kernel architecture
198 ! [PLATFORM=sparc64] KARCH (choice)
201 ## Mapping between platform and user space architecture
203 % User space architecture
205 ! [PLATFORM=abs32le] UARCH (choice)
207 % User space architecture
209 ! [PLATFORM=amd64] UARCH (choice)
211 % User space architecture
213 ! [PLATFORM=arm32] UARCH (choice)
215 % User space architecture
217 ! [PLATFORM=ia32|PLATFORM=ia32xen] UARCH (choice)
219 % User space architecture
221 ! [PLATFORM=ia64] UARCH (choice)
223 % User space architecture
225 ! [PLATFORM=mips32&(MACHINE=msim|MACHINE=lmalta)] UARCH (choice)
227 % User space architecture
229 ! [PLATFORM=mips32&MACHINE=bmalta] UARCH (choice)
231 % User space architecture
233 ! [PLATFORM=mips64] UARCH (choice)
235 % User space architecture
237 ! [PLATFORM=ppc32] UARCH (choice)
239 % User space architecture
241 ! [PLATFORM=ppc64] UARCH (choice)
243 % User space architecture
245 ! [PLATFORM=sparc32] UARCH (choice)
247 % User space architecture
249 ! [PLATFORM=sparc64] UARCH (choice)
252 ## Mapping between platform and boot architecture
256 ! [PLATFORM=abs32le] BARCH (choice)
260 ! [PLATFORM=amd64] BARCH (choice)
264 ! [PLATFORM=arm32] BARCH (choice)
268 ! [PLATFORM=ia32] BARCH (choice)
272 ! [PLATFORM=ia32xen] BARCH (choice)
276 ! [PLATFORM=ia64] BARCH (choice)
280 ! [PLATFORM=mips32] BARCH (choice)
284 ! [PLATFORM=mips64] BARCH (choice)
288 ! [PLATFORM=ppc32] BARCH (choice)
292 ! [PLATFORM=ppc64] BARCH (choice)
296 ! [PLATFORM=sparc32] BARCH (choice)
300 ! [PLATFORM=sparc64] BARCH (choice)
303 ## Mapping between platform and image format
307 ! [PLATFORM=mips32&MACHINE=msim] IMAGE (choice)
311 ! [PLATFORM=mips32&(MACHINE=bmalta|MACHINE=lmalta)] IMAGE (choice)
315 ! [PLATFORM=mips64] IMAGE (choice)
321 @ "gcc_cross" GNU C Compiler (cross-compiler)
322 @ "gcc_native" GNU C Compiler (native)
323 @ "gcc_helenos" GNU C Compiler (experimental HelenOS-specific cross-compiler)
324 @ "icc" Intel C Compiler
326 ! [PLATFORM=amd64|PLATFORM=ia32] COMPILER (choice)
329 @ "gcc_cross" GNU C Compiler (cross-compiler)
330 @ "gcc_native" GNU C Compiler (native)
331 @ "icc" Intel C Compiler
332 @ "gcc_helenos" GNU C Compiler (experimental HelenOS-specific cross-compiler)
333 ! [PLATFORM=ia64] COMPILER (choice)
336 @ "gcc_cross" GNU C Compiler (cross-compiler)
337 @ "gcc_native" GNU C Compiler (native)
338 @ "gcc_helenos" GNU C Compiler (experimental HelenOS-specific cross-compiler)
339 ! [PLATFORM=mips32|PLATFORM=mips64|PLATFORM=ppc32] COMPILER (choice)
342 @ "gcc_cross" GNU C Compiler (cross-compiler)
343 @ "gcc_native" GNU C Compiler (native)
344 @ "gcc_helenos" GNU C Compiler (experimental HelenOS-specific cross-compiler)
346 ! [PLATFORM=abs32le|PLATFORM=arm32|PLATFORM=sparc32|PLATFORM=sparc64] COMPILER (choice)
349 ## Cross-compiler target for abstract architecture
351 % Cross-compiler target
354 @ "mips32" MIPS 32-bit
355 ! [PLATFORM=abs32le&(COMPILER=gcc_cross|COMPILER=gcc_helenos)] CROSS_TARGET (choice)
358 ## Kernel configuration
361 ! [PLATFORM=ia32&(PROCESSOR=athlon_xp|PROCESSOR=athlon_mp|PROCESSOR=pentium3)] CONFIG_FENCES_P3 (y)
364 ! [PLATFORM=ia32&(PROCESSOR=pentium4|PROCESSOR=core)] CONFIG_FENCES_P4 (y)
367 ! [PLATFORM=amd64] CONFIG_FENCES_P4 (y)
370 ! [PLATFORM=ia32|PLATFORM=amd64] CONFIG_ACPI (y)
372 % Hierarchical page tables support
373 ! [PLATFORM=abs32le|PLATFORM=ia32|PLATFORM=amd64|PLATFORM=arm32|PLATFORM=mips32|PLATFORM=ppc32|PLATFORM=sparc32] CONFIG_PAGE_PT (y)
375 % Page hash table support
376 ! [PLATFORM=ia64|PLATFORM=mips64|PLATFORM=sparc64] CONFIG_PAGE_HT (y)
378 % Software integer division support
379 ! [PLATFORM=abs32le|PLATFORM=ia32|PLATFORM=arm32|PLATFORM=ia64|PLATFORM=mips32|PLATFORM=mips64|PLATFORM=ppc32|PLATFORM=sparc32] CONFIG_SOFTINT (y)
382 ! [PLATFORM=ia64|PLATFORM=mips32|PLATFORM=mips64|PLATFORM=ppc32|PLATFORM=sparc32|PLATFORM=sparc64] CONFIG_ASID (y)
385 ! [PLATFORM=ia64|PLATFORM=mips32|PLATFORM=mips64|PLATFORM=ppc32|PLATFORM=sparc32|PLATFORM=sparc64] CONFIG_ASID_FIFO (y)
387 % OpenFirmware tree support
388 ! [PLATFORM=ppc32|PLATFORM=sparc64] CONFIG_OFW_TREE (y)
390 % OpenFirmware PCI bus support
391 ! [PLATFORM=sparc64] CONFIG_OFW_PCI (y)
393 % Multiboot standard support
394 ! [PLATFORM=ia32|PLATFORM=amd64] CONFIG_MULTIBOOT (y)
397 ! [PLATFORM=ia32|PLATFORM=amd64|PLATFORM=ia64|PLATFORM=sparc64] CONFIG_FPU (y)
399 ## ARMv7 made FPU hardware compulsory
401 ! [PLATFORM=arm32&PROCESSOR_ARCH=armv7_a] CONFIG_FPU (y)
404 ! [PLATFORM=arm32&MACHINE=integratorcp] CONFIG_FPU (y)
407 ## Kernel features options
410 ! [(PLATFORM=ia32&PROCESSOR!=athlon_xp)|PLATFORM=amd64|PLATFORM=sparc64|PLATFORM=ia64|(PLATFORM=mips32&MACHINE=msim)|(PLATFORM=mips64&MACHINE=msim)|PLATFORM=abs32le] CONFIG_SMP (y/n)
415 % Deadlock detection support for spinlocks
416 ! [CONFIG_DEBUG=y&CONFIG_SMP=y] CONFIG_DEBUG_SPINLOCK (y/n)
418 % Lazy FPU context switching
419 ! [CONFIG_FPU=y] CONFIG_FPU_LAZY (y/n)
422 ! [PLATFORM=ia64] CONFIG_VHPT (n/y)
425 ! [PLATFORM=sparc64] CONFIG_TSB (y/n)
427 % IO SAPIC on default address support
428 ! [PLATFORM=ia64&MACHINE!=ski] CONFIG_IOSAPIC (y/n)
430 % Virtually indexed D-cache support
431 ! [PLATFORM=sparc64] CONFIG_VIRT_IDX_DCACHE (y/n)
434 ! [PROCESSOR=sun4v&CONFIG_SMP=y] CONFIG_SIMICS_SMP_HACK (n/y)
436 % Support for userspace debuggers
437 ! CONFIG_UDEBUG (y/n)
439 % Kernel console support
440 ! CONFIG_KCONSOLE (y/n)
442 % Kernel symbol information
443 ! CONFIG_SYMTAB (y/n)
445 % Detailed kernel logging
448 % Kernel function tracing
451 % Compile kernel tests
454 % Use link-time optimization
455 ! [COMPILER=gcc_cross|COMPILER=gcc_native] CONFIG_LTO (n/y)
461 @ "generic" Keyboard or serial line
462 ! [PLATFORM=arm32&MACHINE=integratorcp] CONFIG_HID_IN (choice)
465 @ "generic" Keyboard or serial line
466 @ "none" No input device
467 ! [PLATFORM=ia32|PLATFORM=amd64|PLATFORM=mips32|PLATFORM=mips64|PLATFORM=ppc32|PLATFORM=sparc64] CONFIG_HID_IN (choice)
470 @ "generic" Keyboard or serial line
471 @ "keyboard" Keyboard
472 @ "serial" Serial line
473 @ "none" No input device
474 ! [PLATFORM=ia64&MACHINE=i460GX] CONFIG_HID_IN (choice)
476 % Output device class
477 @ "generic" Monitor or serial line
478 ! [PLATFORM=arm32&(MACHINE=gta02|MACHINE=integratorcp|MACHINE=beagleboardxm|MACHINE=beaglebone|MACHINE=raspberrypi)] CONFIG_HID_OUT (choice)
480 % Output device class
481 @ "generic" Monitor or serial line
482 @ "none" No output device
483 ! [PLATFORM=ia32|PLATFORM=amd64|PLATFORM=sparc64|PLATFORM=ppc32|(PLATFORM=ia64&MACHINE=i460GX)|(PLATFORM=mips32&(MACHINE=msim|MACHINE=bmalta|MACHINE=lmalta))|(PLATFORM=mips64&MACHINE=msim)] CONFIG_HID_OUT (choice)
485 % PC keyboard support
486 ! [CONFIG_HID_IN=generic&(PLATFORM=ia32|PLATFORM=amd64)] CONFIG_PC_KBD (y/n)
488 % PC keyboard support
489 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&PLATFORM=ia64&MACHINE=i460GX] CONFIG_PC_KBD (y/n)
491 % PC keyboard support
492 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&PLATFORM=arm32&MACHINE=integratorcp] CONFIG_PC_KBD (y/n)
494 % Support for msim keyboard
495 ! [CONFIG_HID_IN=generic&MACHINE=msim] CONFIG_MSIM_KBD (y/n)
497 % Support for msim printer
498 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=serial)&MACHINE=msim] CONFIG_MSIM_PRN (y/n)
500 % Support for VIA CUDA controller
501 ! [CONFIG_HID_IN=generic&PLATFORM=ppc32] CONFIG_VIA_CUDA (y/n)
503 % Support for NS16550 controller
504 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&PLATFORM=sparc64&MACHINE=generic] CONFIG_NS16550 (y/n)
506 % Support for NS16550 controller
507 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=serial)&PLATFORM=ia64&MACHINE=i460GX] CONFIG_NS16550 (y/n)
509 % Support for PL011 UART
510 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=serial)&PLATFORM=arm32&(MACHINE=integratorcp|MACHINE=raspberrypi)] CONFIG_PL011_UART (y/n)
512 % Support for Samsung S3C24XX on-chip UART
513 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=serial)&PLATFORM=arm32&MACHINE=gta02] CONFIG_S3C24XX_UART (y/n)
515 % Support for Samsung S3C24XX on-chip interrupt controller
516 ! [PLATFORM=arm32&MACHINE=gta02] CONFIG_S3C24XX_IRQC (y)
518 % Support for TI AM335x timers support
519 ! [PLATFORM=arm32&MACHINE=beaglebone] CONFIG_AM335X_TIMERS (y)
521 % Support for OMAP on-chip UART
522 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=serial)&PLATFORM=arm32&(MACHINE=beagleboardxm|MACHINE=beaglebone)] CONFIG_OMAP_UART (y/n)
524 % Support for GRLIB UART
525 ! [PLATFORM=sparc32&MACHINE=leon3] CONFIG_GRLIB_UART (y)
527 % Support for GRLIB IRQMP
528 ! [PLATFORM=sparc32&MACHINE=leon3] CONFIG_GRLIB_IRQMP (y)
530 % Support for BCM2835 mailbox
531 ! [PLATFORM=arm32&MACHINE=raspberrypi] CONFIG_BCM2835_MAILBOX (y/n)
533 % Support for i8042 controller
534 ! [CONFIG_PC_KBD=y] CONFIG_I8042 (y)
536 % Support for pl050 controller
537 ! [CONFIG_HID_IN=generic&PLATFORM=arm32&MACHINE=integratorcp] CONFIG_PL050 (y)
539 % Sun keyboard support
540 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&PLATFORM=sparc64&MACHINE=generic&CONFIG_NS16550=y] CONFIG_SUN_KBD (y)
542 % Macintosh ADB keyboard support
543 ! [(CONFIG_HID_IN=generic|CONFIG_HID_IN=keyboard)&PLATFORM=ppc32&(CONFIG_VIA_CUDA=y)] CONFIG_MAC_KBD (y)
545 % Dummy serial line input
546 ! [CONFIG_MSIM_KBD=y|CONFIG_ARM_KBD=y] CONFIG_DSRLNIN (y)
548 % Dummy serial line output
549 ! [CONFIG_MSIM_PRN=y|CONFIG_ARM_PRN=y] CONFIG_DSRLNOUT (y)
551 % Serial line input module
552 ! [CONFIG_DSRLNIN=y|(PLATFORM=sparc32)|(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)] CONFIG_SRLN (y)
555 ! [CONFIG_HID_OUT=generic&(PLATFORM=ia32|PLATFORM=amd64)] CONFIG_EGA (y/n)
558 ! [CONFIG_HID_OUT=generic&PLATFORM=ia64&MACHINE=i460GX] CONFIG_EGA (y/n)
560 % Framebuffer support
561 ! [CONFIG_HID_OUT=generic&(PLATFORM=ia32|PLATFORM=amd64|PLATFORM=ppc32)] CONFIG_FB (y/n)
563 % Framebuffer support
564 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=monitor)&PLATFORM=arm32] CONFIG_FB (y/n)
566 % Framebuffer support
567 ! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=monitor)&PLATFORM=sparc64&MACHINE=generic] CONFIG_FB (y/n)
569 % Default framebuffer mode
585 ! [(PLATFORM=ia32|PLATFORM=amd64|MACHINE=beagleboardxm)&CONFIG_HID_OUT!=none&CONFIG_FB=y] CONFIG_BFB_MODE (choice)
587 % Default framebuffer depth
591 ! [(PLATFORM=ia32|PLATFORM=amd64|MACHINE=beagleboardxm)&CONFIG_HID_OUT!=none&CONFIG_FB=y] CONFIG_BFB_BPP (choice)
593 % Start AP processors by the loader
594 ! [PLATFORM=sparc64&CONFIG_SMP=y] CONFIG_AP (y/n)
596 % Dynamic linking support
597 ! [PLATFORM=ia32] CONFIG_RTLD (n/y)
598 ! [PLATFORM=abs32le|PLATFORM=amd64|PLATFORM=arm32|PLATFORM=ia64|PLATFORM=mips32|PLATFORM=ppc32|PLATFORM=sparc64] CONFIG_RTLD (n)
600 % Build shared libraries
601 ! [CONFIG_RTLD=y] CONFIG_BUILD_SHARED_LIBS (n/y)
602 ! [CONFIG_RTLD=n] CONFIG_BUILD_SHARED_LIBS (n)
604 % Link against shared libraries
605 ! [CONFIG_BUILD_SHARED_LIBS=y] CONFIG_USE_SHARED_LIBS (n/y)
606 ! [CONFIG_BUILD_SHARED_LIBS=n] CONFIG_USE_SHARED_LIBS (n)
608 % Launch (devman) test drivers
609 ! [CONFIG_DEBUG=y] CONFIG_TEST_DRIVERS (n/y)
611 % Load disk drivers on startup
612 ! CONFIG_START_BD (n/y)
614 % Mount /data on startup
615 ! [CONFIG_START_BD=y] CONFIG_MOUNT_DATA (n/y)
618 ! CONFIG_WRITE_CORE_FILES (n/y)
620 % Include development files (headers, libraries)
621 ! CONFIG_DEVEL_FILES (n/y)
624 ! CONFIG_STRIP_BINARIES (n/y)
627 ! CONFIG_OPTIMIZE_FOR_SIZE (n/y)
629 % Barebone build with essential binaries only
630 ! CONFIG_BAREBONE (n/y)
635 % Build binutils binaries
636 ! CONFIG_BINUTILS (n/y)
641 % Line debugging information
642 ! [CONFIG_STRIP_BINARIES!=y] CONFIG_LINE_DEBUG (n/y)
646 % Start virtual USB host controller
647 ! CONFIG_RUN_VIRTUAL_USB_HC (n/y)
649 % OHCI root hub port power switching
650 @ "no" All root hub ports are always powered.
651 @ "ganged" Root hub ports are all powered or all off.
652 @ "per_port" Powered status of every root hub port is independent.
653 ! [PLATFORM=ia32|PLATFORM=amd64|PLATFORM=ppc32] OHCI_POWER_SWITCH (choice)
655 % GRUB boot loader architecture
657 @ "efi" GRUB for UEFI
658 ! [PLATFORM=ia32|PLATFORM=amd64] GRUB_ARCH (choice)
661 @ "2" NetBSD stage 2 boot loader
662 ! [PLATFORM=arm32&(MACHINE=beagleboardxm|MACHINE=beaglebone)] UIMAGE_OS (choice)
666 ! [PLATFORM=arm32&MACHINE!=beagleboardxm&MACHINE!=beaglebone] UIMAGE_OS (choice)
670 ! [PLATFORM=sparc32] UIMAGE_OS (choice)