buildroot/linux/Config.in

1 menu "Kernel"
4 	bool "Linux Kernel"
8 	  Enable this option if you want to build a Linux kernel for
13 # Packages that need to have a kernel with support for loadable modules,
14 # but do not use the kernel-modules infrastructure, should select that
24 #  1. A single fairly recent stable kernel version
31 	prompt "Kernel version"
38 	bool "Latest CIP SLTS version (5.10.162-cip24)"
41 	  CIP launched in the spring of 2016 to address the needs of
42 	  organizations in industries such as power generation and
44 	  automation and more for reliable and secure Linux-based
48 	  of industrial-grade software that permits the use and
55 	  https://www.cip-project.org
58 	bool "Latest CIP RT SLTS version (5.10.162-cip24-rt10)"
67 	  https://www.cip-project.org
73 	  kernel.org, like 2.6.x, 2.6.x.y, 3.x.y, ...
76 	  kernel, because these kernels are not located at the standard
77 	  URL at kernel.org. Instead, select "Custom tarball" and
83 	  This option allows to specify a URL pointing to a kernel
94 	  This option allows to specify path of local kernel source.
102 	  This option allows Buildroot to get the Linux kernel source
108 	  This option allows Buildroot to get the Linux kernel source
114 	  This option allows Buildroot to get the Linux kernel source
120 	string "Kernel version"
124 	string "URL of custom kernel tarball"
128 	string "URL of custom local kernel"
139 	  Revision to use in the typical format used by
147 	default "5.10.162-cip24" if BR2_LINUX_KERNEL_LATEST_CIP_VERSION
148 	default "5.10.162-cip24-rt10" if BR2_LINUX_KERNEL_LATEST_CIP_RT_VERSION
160 	string "Custom kernel patches"
162 	  A space-separated list of patches to apply to the
163 	  kernel. Each patch can be described as an URL, a local file
164 	  path, or a directory. In the case of a directory, all files
165 	  matching *.patch in the directory will be applied.
174 	prompt "Kernel configuration"
178 	bool "Using an in-tree defconfig file"
197 	  Name of the kernel defconfig file to use, without the
198 	  trailing _defconfig.  The defconfig is located in
199 	  arch/<arch>/configs in the kernel tree.
205 	  Path to the kernel configuration file
209 	  linux-update-(def)config.
214 	  A space-separated list of kernel configuration fragment files,
215 	  that will be merged to the main kernel configuration file.
221 	  Custom logo should be in PNG or JPEG format, it will be
222 	  converted to the linux kernel format (224 colors only)
230 	prompt "Kernel binary format"
313 	  For certain cases a board-specific target image must be
315 	  description is attached in a board-specific kernel image
318 	  Select this option and specify the make target in "Kernel
324 # Kernel compression format
328 	prompt "Kernel compression format"
331 	  are built. The actual compression for the kernel should be
332 	  selected in the kernel configuration menu.
359 	string "Kernel image target name"
362 	  Specify the kernel make target to build the kernel that you
366 	string "Kernel image name"
369 	  The filename of the kernel image, if it is different from
377 	string "load address (for 3.7+ multi-platform image)"
381 	  If your ARM system's Linux kernel is configured with the new
382 	  (3.7+) multi-architecture support (CONFIG_ARCH_MULTIPLATFORM=y
383 	  in your kernel config), then it is necessary to specify a
384 	  kernel load address when building the uImage. This should be a
394 	  Select the dts files to compile in the options below.
403 #      the kernel abstracts this from us and only build an image that
404 #      looks like a regular kernel image. In this case, we only need
405 #      to derive the kernel image name from the given device tree
407 #   3) We want device tree support, but the kernel requires us to
408 #      build the device tree blob separately. In this case, some
413 	bool "DTB is built by kernel itself"
416 	  explicitly to the kernel build system. For some binary
417 	  formats, however, the kernel build system links in the
418 	  device tree directly in the kernel binary. Select this option
419 	  if you have such a kernel binary format.
425 	string "In-tree Device Tree Source file names"
427 	  Name of in-tree device tree source file, without
432 	string "Out-of-tree Device Tree Source file paths"
434 	  Paths to out-of-tree Device Tree Source (.dts) and Device Tree
436 	  will be copied to the kernel sources and the .dts files will
449 	  If enabled, pass the "-@" option to dtc, such that
450 	  symbols are generated in the compiled Device Tree.
457 	bool "Install kernel image to /boot in target"
460 	  Select this option to have the kernel image installed to
461 	  /boot in the target root filesystem, as is typically done on
465 	  /boot if DTBs have been generated by the kernel build
471 	  Some Linux kernel configuration options (such as
473 	  program called extract-cert, which itself needs
474 	  OpenSSL. Enabling this option will ensure host-openssl gets
475 	  built before the Linux kernel.
477 	  Enable this option if you get a Linux kernel build failure
478 	  such as "scripts/extract-cert.c:21:25: fatal error:
484 	  Some Linux kernel configuration options (such as
486 	  needs libelf. Enabling this option will ensure host-elfutils
487 	  (which provides libelf) gets built before the Linux kernel.
489 	  Enable this option if you get a Linux kernel build failure
491 	  CONFIG_UNWINDER_ORC=y, please install libelf-dev,
492 	  libelf-devel or elfutils-libelf-devel".
497 	  Some Linux kernel configuration options (such as
499 	  called pahole. Enabling this option will ensure host-pahole
500 	  gets built before the Linux kernel.
502 	  Enable this option if you get a Linux kernel build failure
507 source "linux/Config.ext.in"
512 source "package/linux-tools/Config.in"