Kconfig 22 KB

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  1. #
  2. # For a description of the syntax of this configuration file,
  3. # see the file Documentation/kbuild/kconfig-language.txt in the
  4. # Linux kernel source tree.
  5. #
  6. mainmenu "U-Boot $UBOOTVERSION Configuration"
  7. config UBOOTVERSION
  8. string
  9. option env="UBOOTVERSION"
  10. # Allow defaults in arch-specific code to override any given here
  11. source "arch/Kconfig"
  12. menu "General setup"
  13. config BROKEN
  14. bool
  15. help
  16. This option cannot be enabled. It is used as dependency
  17. for broken and incomplete features.
  18. config DEPRECATED
  19. bool
  20. help
  21. This option cannot be enabled. It it used as a dependency for
  22. code that relies on deprecated features that will be removed and
  23. the conversion deadline has passed.
  24. config LOCALVERSION
  25. string "Local version - append to U-Boot release"
  26. help
  27. Append an extra string to the end of your U-Boot version.
  28. This will show up in your boot log, for example.
  29. The string you set here will be appended after the contents of
  30. any files with a filename matching localversion* in your
  31. object and source tree, in that order. Your total string can
  32. be a maximum of 64 characters.
  33. config LOCALVERSION_AUTO
  34. bool "Automatically append version information to the version string"
  35. default y
  36. help
  37. This will try to automatically determine if the current tree is a
  38. release tree by looking for Git tags that belong to the current
  39. top of tree revision.
  40. A string of the format -gxxxxxxxx will be added to the localversion
  41. if a Git-based tree is found. The string generated by this will be
  42. appended after any matching localversion* files, and after the value
  43. set in CONFIG_LOCALVERSION.
  44. (The actual string used here is the first eight characters produced
  45. by running the command:
  46. $ git rev-parse --verify HEAD
  47. which is done within the script "scripts/setlocalversion".)
  48. config CC_OPTIMIZE_FOR_SIZE
  49. bool "Optimize for size"
  50. default y
  51. help
  52. Enabling this option will pass "-Os" instead of "-O2" to gcc
  53. resulting in a smaller U-Boot image.
  54. This option is enabled by default for U-Boot.
  55. config CC_COVERAGE
  56. bool "Enable code coverage analysis"
  57. depends on SANDBOX
  58. help
  59. Enabling this option will pass "--coverage" to gcc to compile
  60. and link code instrumented for coverage analysis.
  61. config DISTRO_DEFAULTS
  62. bool "Select defaults suitable for booting general purpose Linux distributions"
  63. select AUTO_COMPLETE
  64. select CMDLINE_EDITING
  65. select CMD_BOOTI if ARM64
  66. select CMD_BOOTZ if ARM && !ARM64
  67. select CMD_DHCP if CMD_NET
  68. select CMD_ENV_EXISTS
  69. select CMD_EXT2
  70. select CMD_EXT4
  71. select CMD_FAT
  72. select CMD_FS_GENERIC
  73. select CMD_PART if PARTITIONS
  74. select CMD_PING if CMD_NET
  75. select CMD_PXE if NET
  76. select CMD_SYSBOOT
  77. select ENV_VARS_UBOOT_CONFIG
  78. select HUSH_PARSER
  79. select SUPPORT_RAW_INITRD
  80. select SYS_LONGHELP
  81. imply CMD_MII if NET
  82. imply USB_STORAGE
  83. imply USE_BOOTCOMMAND
  84. help
  85. Select this to enable various options and commands which are suitable
  86. for building u-boot for booting general purpose Linux distributions.
  87. config ENV_VARS_UBOOT_CONFIG
  88. bool "Add arch, board, vendor and soc variables to default environment"
  89. help
  90. Define this in order to add variables describing the
  91. U-Boot build configuration to the default environment.
  92. These will be named arch, cpu, board, vendor, and soc.
  93. Enabling this option will cause the following to be defined:
  94. - CONFIG_SYS_ARCH
  95. - CONFIG_SYS_CPU
  96. - CONFIG_SYS_BOARD
  97. - CONFIG_SYS_VENDOR
  98. - CONFIG_SYS_SOC
  99. config NR_DRAM_BANKS
  100. int "Number of DRAM banks"
  101. default 1 if ARCH_SUNXI
  102. default 4
  103. help
  104. This defines the number of DRAM banks.
  105. config SYS_BOOT_GET_CMDLINE
  106. bool "Enable kernel command line setup"
  107. help
  108. Enables allocating and saving kernel cmdline in space between
  109. "bootm_low" and "bootm_low" + BOOTMAPSZ.
  110. config SYS_BOOT_GET_KBD
  111. bool "Enable kernel board information setup"
  112. help
  113. Enables allocating and saving a kernel copy of the bd_info in
  114. space between "bootm_low" and "bootm_low" + BOOTMAPSZ.
  115. config SYS_MALLOC_F
  116. bool "Enable malloc() pool before relocation"
  117. default y if DM
  118. help
  119. Before relocation, memory is very limited on many platforms. Still,
  120. we can provide a small malloc() pool if needed. Driver model in
  121. particular needs this to operate, so that it can allocate the
  122. initial serial device and any others that are needed.
  123. config SYS_MALLOC_F_LEN
  124. hex "Size of malloc() pool before relocation"
  125. depends on SYS_MALLOC_F
  126. default 0x1000 if AM33XX
  127. default 0x2800 if SANDBOX
  128. default 0x2000 if (ARCH_IMX8 || ARCH_IMX8M || ARCH_MX7 || \
  129. ARCH_MX7ULP || ARCH_MX6 || ARCH_MX5 || \
  130. ARCH_LS1012A || ARCH_LS1021A || ARCH_LS1043A || \
  131. ARCH_LS1046A)
  132. default 0x400
  133. help
  134. Before relocation, memory is very limited on many platforms. Still,
  135. we can provide a small malloc() pool if needed. Driver model in
  136. particular needs this to operate, so that it can allocate the
  137. initial serial device and any others that are needed.
  138. config SYS_MALLOC_LEN
  139. hex "Define memory for Dynamic allocation"
  140. depends on ARCH_ZYNQ || ARCH_VERSAL || ARCH_STM32MP || ARCH_ROCKCHIP
  141. default 0x2000000 if ARCH_ROCKCHIP
  142. help
  143. This defines memory to be allocated for Dynamic allocation
  144. TODO: Use for other architectures
  145. config SPL_SYS_MALLOC_F_LEN
  146. hex "Size of malloc() pool in SPL before relocation"
  147. depends on SYS_MALLOC_F && SPL
  148. default 0x2800 if RCAR_GEN3
  149. default SYS_MALLOC_F_LEN
  150. help
  151. Before relocation, memory is very limited on many platforms. Still,
  152. we can provide a small malloc() pool if needed. Driver model in
  153. particular needs this to operate, so that it can allocate the
  154. initial serial device and any others that are needed.
  155. config TPL_SYS_MALLOC_F_LEN
  156. hex "Size of malloc() pool in TPL before relocation"
  157. depends on SYS_MALLOC_F && TPL
  158. default SYS_MALLOC_F_LEN
  159. help
  160. Before relocation, memory is very limited on many platforms. Still,
  161. we can provide a small malloc() pool if needed. Driver model in
  162. particular needs this to operate, so that it can allocate the
  163. initial serial device and any others that are needed.
  164. menuconfig EXPERT
  165. bool "Configure standard U-Boot features (expert users)"
  166. default y
  167. help
  168. This option allows certain base U-Boot options and settings
  169. to be disabled or tweaked. This is for specialized
  170. environments which can tolerate a "non-standard" U-Boot.
  171. Use this only if you really know what you are doing.
  172. if EXPERT
  173. config SYS_MALLOC_CLEAR_ON_INIT
  174. bool "Init with zeros the memory reserved for malloc (slow)"
  175. default y
  176. help
  177. This setting is enabled by default. The reserved malloc
  178. memory is initialized with zeros, so first malloc calls
  179. will return the pointer to the zeroed memory. But this
  180. slows the boot time.
  181. It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN
  182. value, has more than few MiB, e.g. when uses bzip2 or bmp logo.
  183. Then the boot time can be significantly reduced.
  184. Warning:
  185. When disabling this, please check if malloc calls, maybe
  186. should be replaced by calloc - if one expects zeroed memory.
  187. config TOOLS_DEBUG
  188. bool "Enable debug information for tools"
  189. help
  190. Enable generation of debug information for tools such as mkimage.
  191. This can be used for debugging purposes. With debug information
  192. it is possible to set breakpoints on particular lines, single-step
  193. debug through the source code, etc.
  194. endif # EXPERT
  195. config PHYS_64BIT
  196. bool "64bit physical address support"
  197. help
  198. Say Y here to support 64bit physical memory address.
  199. This can be used not only for 64bit SoCs, but also for
  200. large physical address extension on 32bit SoCs.
  201. config BUILD_ROM
  202. bool "Build U-Boot as BIOS replacement"
  203. depends on X86
  204. help
  205. This option allows to build a ROM version of U-Boot.
  206. The build process generally requires several binary blobs
  207. which are not shipped in the U-Boot source tree.
  208. Please, see doc/README.x86 for details.
  209. config SPL_IMAGE
  210. string "SPL image used in the combined SPL+U-Boot image"
  211. default "spl/boot.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
  212. default "spl/u-boot-spl.bin"
  213. depends on SPL
  214. help
  215. Select the SPL build target that shall be generated by the SPL
  216. build process (default spl/u-boot-spl.bin). This image will be
  217. used to generate a combined image with SPL and main U-Boot
  218. proper as one single image.
  219. config BUILD_TARGET
  220. string "Build target special images"
  221. default "u-boot-with-spl.sfp" if TARGET_SOCFPGA_ARRIA10
  222. default "u-boot-with-spl.sfp" if TARGET_SOCFPGA_GEN5
  223. default "u-boot-spl.kwb" if ARCH_MVEBU && SPL
  224. default "u-boot-elf.srec" if RCAR_GEN3
  225. default "u-boot.itb" if SPL_LOAD_FIT && (ARCH_ROCKCHIP || \
  226. ARCH_SUNXI || RISCV || ARCH_ZYNQMP)
  227. default "u-boot.kwb" if KIRKWOOD
  228. default "u-boot-with-spl.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
  229. default "u-boot-with-spl.imx" if ARCH_MX6 && SPL
  230. help
  231. Some SoCs need special image types (e.g. U-Boot binary
  232. with a special header) as build targets. By defining
  233. CONFIG_BUILD_TARGET in the SoC / board header, this
  234. special image will be automatically built upon calling
  235. make / buildman.
  236. config SYS_CUSTOM_LDSCRIPT
  237. bool "Use a custom location for the U-Boot linker script"
  238. help
  239. Normally when linking U-Boot we will look in the board directory,
  240. the CPU directory and finally the "cpu" directory of the architecture
  241. for the ile "u-boot.lds" and use that as our linker. However, in
  242. some cases we need to provide a different linker script. To do so,
  243. enable this option and then provide the location under
  244. CONFIG_SYS_LDSCRIPT.
  245. config SYS_LDSCRIPT
  246. depends on SYS_CUSTOM_LDSCRIPT
  247. string "Custom ldscript location"
  248. help
  249. Path within the source tree to the linker script to use for the
  250. main U-Boot binary.
  251. config ERR_PTR_OFFSET
  252. hex
  253. default 0x0
  254. help
  255. Some U-Boot pointers have redundant information, so we can use a
  256. scheme where we can return either an error code or a pointer with the
  257. same return value. The default implementation just casts the pointer
  258. to a number, however, this may fail on platforms where the end of the
  259. address range is used for valid pointers (e.g. 0xffffff00 is a valid
  260. heap pointer in socfpga SPL).
  261. For such platforms, this value provides an upper range of those error
  262. pointer values - up to 'MAX_ERRNO' bytes below this value must be
  263. unused/invalid addresses.
  264. config PLATFORM_ELFENTRY
  265. string
  266. default "__start" if MIPS
  267. default "_start"
  268. endmenu # General setup
  269. menu "Boot images"
  270. config ANDROID_BOOT_IMAGE
  271. bool "Enable support for Android Boot Images"
  272. default y if FASTBOOT
  273. help
  274. This enables support for booting images which use the Android
  275. image format header.
  276. config FIT
  277. bool "Support Flattened Image Tree"
  278. select MD5
  279. select SHA1
  280. help
  281. This option allows you to boot the new uImage structure,
  282. Flattened Image Tree. FIT is formally a FDT, which can include
  283. images of various types (kernel, FDT blob, ramdisk, etc.)
  284. in a single blob. To boot this new uImage structure,
  285. pass the address of the blob to the "bootm" command.
  286. FIT is very flexible, supporting compression, multiple images,
  287. multiple configurations, verification through hashing and also
  288. verified boot (secure boot using RSA).
  289. if FIT
  290. config FIT_EXTERNAL_OFFSET
  291. hex "FIT external data offset"
  292. default 0x0
  293. help
  294. This specifies a data offset in fit image.
  295. The offset is from data payload offset to the beginning of
  296. fit image header. When specifies a offset, specific data
  297. could be put in the hole between data payload and fit image
  298. header, such as CSF data on i.MX platform.
  299. config FIT_ENABLE_SHA256_SUPPORT
  300. bool "Support SHA256 checksum of FIT image contents"
  301. default y
  302. select SHA256
  303. help
  304. Enable this to support SHA256 checksum of FIT image contents. A
  305. SHA256 checksum is a 256-bit (32-byte) hash value used to check that
  306. the image contents have not been corrupted. SHA256 is recommended
  307. for use in secure applications since (as at 2016) there is no known
  308. feasible attack that could produce a 'collision' with differing
  309. input data. Use this for the highest security. Note that only the
  310. SHA256 variant is supported: SHA512 and others are not currently
  311. supported in U-Boot.
  312. config FIT_SIGNATURE
  313. bool "Enable signature verification of FIT uImages"
  314. depends on DM
  315. select HASH
  316. select RSA
  317. help
  318. This option enables signature verification of FIT uImages,
  319. using a hash signed and verified using RSA. If
  320. CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive
  321. hashing is available using hardware, then the RSA library will use
  322. it. See doc/uImage.FIT/signature.txt for more details.
  323. WARNING: When relying on signed FIT images with a required signature
  324. check the legacy image format is disabled by default, so that
  325. unsigned images cannot be loaded. If a board needs the legacy image
  326. format support in this case, enable it using
  327. CONFIG_LEGACY_IMAGE_FORMAT.
  328. config FIT_SIGNATURE_MAX_SIZE
  329. hex "Max size of signed FIT structures"
  330. depends on FIT_SIGNATURE
  331. default 0x10000000
  332. help
  333. This option sets a max size in bytes for verified FIT uImages.
  334. A sane value of 256MB protects corrupted DTB structures from overlapping
  335. device memory. Assure this size does not extend past expected storage
  336. space.
  337. config FIT_ENABLE_RSASSA_PSS_SUPPORT
  338. bool "Support rsassa-pss signature scheme of FIT image contents"
  339. depends on FIT_SIGNATURE
  340. default n
  341. help
  342. Enable this to support the pss padding algorithm as described
  343. in the rfc8017 (https://tools.ietf.org/html/rfc8017).
  344. config FIT_CIPHER
  345. bool "Enable ciphering data in a FIT uImages"
  346. depends on DM
  347. select AES
  348. help
  349. Enable the feature of data ciphering/unciphering in the tool mkimage
  350. and in the u-boot support of the FIT image.
  351. config FIT_VERBOSE
  352. bool "Show verbose messages when FIT images fail"
  353. help
  354. Generally a system will have valid FIT images so debug messages
  355. are a waste of code space. If you are debugging your images then
  356. you can enable this option to get more verbose information about
  357. failures.
  358. config FIT_BEST_MATCH
  359. bool "Select the best match for the kernel device tree"
  360. help
  361. When no configuration is explicitly selected, default to the
  362. one whose fdt's compatibility field best matches that of
  363. U-Boot itself. A match is considered "best" if it matches the
  364. most specific compatibility entry of U-Boot's fdt's root node.
  365. The order of entries in the configuration's fdt is ignored.
  366. config FIT_IMAGE_POST_PROCESS
  367. bool "Enable post-processing of FIT artifacts after loading by U-Boot"
  368. depends on TI_SECURE_DEVICE
  369. help
  370. Allows doing any sort of manipulation to blobs after they got extracted
  371. from FIT images like stripping off headers or modifying the size of the
  372. blob, verification, authentication, decryption etc. in a platform or
  373. board specific way. In order to use this feature a platform or board-
  374. specific implementation of board_fit_image_post_process() must be
  375. provided. Also, anything done during this post-processing step would
  376. need to be comprehended in how the images were prepared before being
  377. injected into the FIT creation (i.e. the blobs would have been pre-
  378. processed before being added to the FIT image).
  379. if SPL
  380. config SPL_FIT
  381. bool "Support Flattened Image Tree within SPL"
  382. depends on SPL
  383. select SPL_OF_LIBFDT
  384. config SPL_FIT_PRINT
  385. bool "Support FIT printing within SPL"
  386. depends on SPL_FIT
  387. help
  388. Support printing the content of the fitImage in a verbose manner in SPL.
  389. config SPL_FIT_SIGNATURE
  390. bool "Enable signature verification of FIT firmware within SPL"
  391. depends on SPL_DM
  392. select SPL_FIT
  393. select SPL_RSA
  394. config SPL_LOAD_FIT
  395. bool "Enable SPL loading U-Boot as a FIT (basic fitImage features)"
  396. select SPL_FIT
  397. help
  398. Normally with the SPL framework a legacy image is generated as part
  399. of the build. This contains U-Boot along with information as to
  400. where it should be loaded. This option instead enables generation
  401. of a FIT (Flat Image Tree) which provides more flexibility. In
  402. particular it can handle selecting from multiple device tree
  403. and passing the correct one to U-Boot.
  404. config SPL_LOAD_FIT_APPLY_OVERLAY
  405. bool "Enable SPL applying DT overlays from FIT"
  406. depends on SPL_LOAD_FIT
  407. select OF_LIBFDT_OVERLAY
  408. help
  409. The device tree is loaded from the FIT image. Allow the SPL is to
  410. also load device-tree overlays from the FIT image an apply them
  411. over the device tree.
  412. config SPL_LOAD_FIT_APPLY_OVERLAY_BUF_SZ
  413. depends on SPL_LOAD_FIT_APPLY_OVERLAY
  414. default 0x10000
  415. hex "size of temporary buffer used to load the overlays"
  416. help
  417. The size of the area where the overlays will be loaded and
  418. uncompress. Must be at least as large as biggest overlay
  419. (uncompressed)
  420. config SPL_LOAD_FIT_FULL
  421. bool "Enable SPL loading U-Boot as a FIT (full fitImage features)"
  422. select SPL_FIT
  423. help
  424. Normally with the SPL framework a legacy image is generated as part
  425. of the build. This contains U-Boot along with information as to
  426. where it should be loaded. This option instead enables generation
  427. of a FIT (Flat Image Tree) which provides more flexibility. In
  428. particular it can handle selecting from multiple device tree
  429. and passing the correct one to U-Boot.
  430. config SPL_FIT_IMAGE_POST_PROCESS
  431. bool "Enable post-processing of FIT artifacts after loading by the SPL"
  432. depends on SPL_LOAD_FIT
  433. help
  434. Allows doing any sort of manipulation to blobs after they got extracted
  435. from the U-Boot FIT image like stripping off headers or modifying the
  436. size of the blob, verification, authentication, decryption etc. in a
  437. platform or board specific way. In order to use this feature a platform
  438. or board-specific implementation of board_fit_image_post_process() must
  439. be provided. Also, anything done during this post-processing step would
  440. need to be comprehended in how the images were prepared before being
  441. injected into the FIT creation (i.e. the blobs would have been pre-
  442. processed before being added to the FIT image).
  443. config SPL_FIT_SOURCE
  444. string ".its source file for U-Boot FIT image"
  445. depends on SPL_FIT
  446. help
  447. Specifies a (platform specific) FIT source file to generate the
  448. U-Boot FIT image. This could specify further image to load and/or
  449. execute.
  450. config SPL_FIT_GENERATOR
  451. string ".its file generator script for U-Boot FIT image"
  452. depends on SPL_FIT
  453. default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI
  454. default "arch/arm/mach-rockchip/make_fit_atf.py" if SPL_LOAD_FIT && ARCH_ROCKCHIP
  455. default "arch/arm/mach-zynqmp/mkimage_fit_atf.sh" if SPL_LOAD_FIT && ARCH_ZYNQMP
  456. default "arch/riscv/lib/mkimage_fit_opensbi.sh" if SPL_LOAD_FIT && RISCV
  457. help
  458. Specifies a (platform specific) script file to generate the FIT
  459. source file used to build the U-Boot FIT image file. This gets
  460. passed a list of supported device tree file stub names to
  461. include in the generated image.
  462. endif # SPL
  463. endif # FIT
  464. config LEGACY_IMAGE_FORMAT
  465. bool "Enable support for the legacy image format"
  466. default y if !FIT_SIGNATURE
  467. help
  468. This option enables the legacy image format. It is enabled by
  469. default for backward compatibility, unless FIT_SIGNATURE is
  470. set where it is disabled so that unsigned images cannot be
  471. loaded. If a board needs the legacy image format support in this
  472. case, enable it here.
  473. config OF_BOARD_SETUP
  474. bool "Set up board-specific details in device tree before boot"
  475. depends on OF_LIBFDT
  476. help
  477. This causes U-Boot to call ft_board_setup() before booting into
  478. the Operating System. This function can set up various
  479. board-specific information in the device tree for use by the OS.
  480. The device tree is then passed to the OS.
  481. config OF_SYSTEM_SETUP
  482. bool "Set up system-specific details in device tree before boot"
  483. depends on OF_LIBFDT
  484. help
  485. This causes U-Boot to call ft_system_setup() before booting into
  486. the Operating System. This function can set up various
  487. system-specific information in the device tree for use by the OS.
  488. The device tree is then passed to the OS.
  489. config OF_STDOUT_VIA_ALIAS
  490. bool "Update the device-tree stdout alias from U-Boot"
  491. depends on OF_LIBFDT
  492. help
  493. This uses U-Boot's serial alias from the aliases node to update
  494. the device tree passed to the OS. The "linux,stdout-path" property
  495. in the chosen node is set to point to the correct serial node.
  496. This option currently references CONFIG_CONS_INDEX, which is
  497. incorrect when used with device tree as this option does not
  498. exist / should not be used.
  499. config SYS_EXTRA_OPTIONS
  500. string "Extra Options (DEPRECATED)"
  501. help
  502. The old configuration infrastructure (= mkconfig + boards.cfg)
  503. provided the extra options field. If you have something like
  504. "HAS_BAR,BAZ=64", the optional options
  505. #define CONFIG_HAS
  506. #define CONFIG_BAZ 64
  507. will be defined in include/config.h.
  508. This option was prepared for the smooth migration from the old
  509. configuration to Kconfig. Since this option will be removed sometime,
  510. new boards should not use this option.
  511. config HAVE_SYS_TEXT_BASE
  512. bool
  513. depends on !NIOS2 && !XTENSA
  514. depends on !EFI_APP
  515. default y
  516. config SYS_TEXT_BASE
  517. depends on HAVE_SYS_TEXT_BASE
  518. default 0x80800000 if ARCH_OMAP2PLUS || ARCH_K3
  519. default 0x4a000000 if ARCH_SUNXI && !MACH_SUN9I && !MACH_SUN8I_V3S
  520. default 0x2a000000 if ARCH_SUNXI && MACH_SUN9I
  521. default 0x42e00000 if ARCH_SUNXI && MACH_SUN8I_V3S
  522. hex "Text Base"
  523. help
  524. The address in memory that U-Boot will be running from, initially.
  525. config SYS_CLK_FREQ
  526. depends on ARC || ARCH_SUNXI || MPC83xx
  527. int "CPU clock frequency"
  528. help
  529. TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture
  530. config ARCH_FIXUP_FDT_MEMORY
  531. bool "Enable arch_fixup_memory_banks() call"
  532. default y
  533. help
  534. Enable FDT memory map syncup before OS boot. This feature can be
  535. used for booting OS with different memory setup where the part of
  536. the memory location should be used for different purpose.
  537. endmenu # Boot images
  538. source "api/Kconfig"
  539. source "common/Kconfig"
  540. source "cmd/Kconfig"
  541. source "disk/Kconfig"
  542. source "dts/Kconfig"
  543. source "env/Kconfig"
  544. source "net/Kconfig"
  545. source "drivers/Kconfig"
  546. source "fs/Kconfig"
  547. source "lib/Kconfig"
  548. source "test/Kconfig"