4 bool "Support running UEFI applications"
6 ARM && (SYS_CPU = arm1136 || \
10 X86 || RISCV || SANDBOX)
11 # We have not fully removed the requirement for some block device
13 # We need EFI_STUB_64BIT to be set on x86_64 with EFI_STUB
14 depends on !EFI_STUB || !X86_64 || EFI_STUB_64BIT
15 # We need EFI_STUB_32BIT to be set on x86_32 with EFI_STUB
16 depends on !EFI_STUB || !X86 || X86_64 || EFI_STUB_32BIT
18 default y if !ARM || SYS_CPU = armv7 || SYS_CPU = armv8
20 # We need to send DM events, dynamically, in the EFI block driver
30 imply USB_KEYBOARD_FN_KEYS
33 Select this option if you want to run UEFI applications (like GNU
34 GRUB or iPXE) on top of U-Boot. If this option is enabled, U-Boot
35 will expose the UEFI API to a loaded application, enabling it to
36 reuse U-Boot's device drivers.
40 config EFI_BINARY_EXEC
41 bool "Execute UEFI binary"
44 Select this option if you want to execute the UEFI binary after
45 loading it with U-Boot load commands or other methods.
46 You may enable CMD_BOOTEFI_BINARY so that you can use bootefi
49 config EFI_SECURE_BOOT
50 bool "Enable EFI secure boot support"
51 depends on EFI_LOADER && FIT_SIGNATURE
55 select RSA_VERIFY_WITH_PKEY
56 select IMAGE_SIGN_INFO
57 select ASYMMETRIC_KEY_TYPE
58 select ASYMMETRIC_PUBLIC_KEY_SUBTYPE
59 select X509_CERTIFICATE_PARSER
60 select PKCS7_MESSAGE_PARSER
63 select EFI_SIGNATURE_SUPPORT
65 Select this option to enable EFI secure boot support.
66 Once SecureBoot mode is enforced, any EFI binary can run only if
67 it is signed with a trusted key. To do that, you need to install,
68 at least, PK, KEK and db.
70 config EFI_SIGNATURE_SUPPORT
76 bool "GetTime() runtime service"
80 Provide the GetTime() runtime service at boottime. This service
81 can be used by an EFI application to read the real time clock.
84 bool "SetTime() runtime service"
85 depends on EFI_GET_TIME
86 default y if ARCH_QEMU || SANDBOX
88 Provide the SetTime() runtime service at boottime. This service
89 can be used by an EFI application to adjust the real time clock.
91 config EFI_HAVE_RUNTIME_RESET
92 # bool "Reset runtime service is available"
95 depends on ARCH_BCM283X || FSL_LAYERSCAPE || PSCI_RESET || \
96 SANDBOX || SYSRESET_SBI || SYSRESET_X86
100 menu "UEFI Variables"
103 prompt "Store for non-volatile UEFI variables"
104 default EFI_VARIABLE_FILE_STORE
106 Select where non-volatile UEFI variables shall be stored.
108 config EFI_VARIABLE_FILE_STORE
109 bool "Store non-volatile UEFI variables as file"
112 Select this option if you want non-volatile UEFI variables to be
113 stored as file /ubootefi.var on the EFI system partition.
115 config EFI_RT_VOLATILE_STORE
116 bool "Allow variable runtime services in volatile storage (e.g RAM)"
117 depends on EFI_VARIABLE_FILE_STORE
119 When EFI variables are stored on file we don't allow SetVariableRT,
120 since the OS doesn't know how to write that file. At the same time
121 we copy runtime variables in DRAM and support GetVariableRT
123 Enable this option to allow SetVariableRT on the RAM backend of
124 the EFI variable storage. The OS will be responsible for syncing
125 the RAM contents to the file, otherwise any changes made during
126 runtime won't persist reboots.
127 Authenticated variables are not supported. Note that this will
128 violate the EFI spec since writing auth variables will return
129 EFI_INVALID_PARAMETER
131 config EFI_MM_COMM_TEE
132 bool "UEFI variables storage service via the trusted world"
135 Allowing access to the MM SP services (SPs such as StandAlonneMM, smm-gateway).
136 When using the u-boot OP-TEE driver, StandAlonneMM is supported.
137 When using the u-boot FF-A driver any MM SP is supported.
139 If OP-TEE is present and running StandAloneMM, dispatch all UEFI
140 variable related operations to that. The application will verify,
141 authenticate and store the variables on an RPMB.
143 When ARM_FFA_TRANSPORT is used, dispatch all UEFI variable related
144 operations to the MM SP running in the secure world.
145 A door bell mechanism is used to notify the SP when there is data in the shared
146 MM buffer. The data is copied by u-boot to the shared buffer before issuing
149 config FFA_SHARED_MM_BUF_SIZE
150 int "Memory size of the shared MM communication buffer"
151 depends on EFI_MM_COMM_TEE && ARM_FFA_TRANSPORT
153 This defines the size in bytes of the memory area reserved for the shared
154 buffer used for communication between the MM feature in U-Boot and
155 the MM SP in secure world.
156 The size of the memory region must be a multiple of the size of the maximum
157 translation granule size that is specified in the ID_AA64MMFR0_EL1 System register.
158 It is assumed that the MM SP knows the size of the shared MM communication buffer.
160 config FFA_SHARED_MM_BUF_OFFSET
161 int "Data offset in the shared MM communication buffer"
162 depends on EFI_MM_COMM_TEE && ARM_FFA_TRANSPORT
164 This defines the offset in bytes of the data read or written to in the shared
167 config FFA_SHARED_MM_BUF_ADDR
168 hex "Define the address of the shared MM communication buffer"
169 depends on EFI_MM_COMM_TEE && ARM_FFA_TRANSPORT
171 This defines the address of the shared MM communication buffer
172 used for communication between the MM feature in U-Boot and
173 the MM SP in secure world.
174 It is assumed that the MM SP knows the address of the shared MM communication buffer.
176 config EFI_VARIABLE_NO_STORE
177 bool "Don't persist non-volatile UEFI variables"
179 If you choose this option, non-volatile variables cannot be persisted.
180 You could still provide non-volatile variables via
181 EFI_VARIABLES_PRESEED.
185 config EFI_VARIABLES_PRESEED
186 bool "Initial values for UEFI variables"
187 depends on !EFI_MM_COMM_TEE
189 Include a file with the initial values for non-volatile UEFI variables
190 into the U-Boot binary. If this configuration option is set, changes
191 to authentication related variables (PK, KEK, db, dbx) are not
194 if EFI_VARIABLES_PRESEED
196 config EFI_VAR_SEED_FILE
197 string "File with initial values of non-volatile UEFI variables"
198 default "ubootefi.var"
200 File with initial values of non-volatile UEFI variables. The file must
201 be in the same format as the storage in the EFI system partition. The
202 easiest way to create it is by setting the non-volatile variables in
203 U-Boot. If a relative file path is used, it is relative to the source
208 config EFI_VAR_BUF_SIZE
209 int "Memory size of the UEFI variable store"
211 range 4096 2147483647
213 This defines the size in bytes of the memory area reserved for keeping
216 When using StandAloneMM (CONFIG_EFI_MM_COMM_TEE=y) is used the
217 available size for storing variables is defined in
218 PcdFlashNvStorageVariableSize.
219 That value is probed at runtime from U-Boot. In that case,
220 EFI_VAR_BUF_SIZE represents the memory U-Boot reserves to present
221 runtime variables to the OS.
223 Minimum 4096, default 131072
225 config EFI_PLATFORM_LANG_CODES
226 string "Language codes supported by firmware"
229 This value is used to initialize the PlatformLangCodes variable. Its
230 value is a semicolon (;) separated list of language codes in native
231 RFC 4646 format, e.g. "en-US;de-DE". The first language code is used
232 to initialize the PlatformLang variable.
236 menu "Capsule support"
238 config EFI_HAVE_CAPSULE_SUPPORT
241 config EFI_RUNTIME_UPDATE_CAPSULE
242 bool "UpdateCapsule() runtime service"
243 select EFI_HAVE_CAPSULE_SUPPORT
245 Select this option if you want to use UpdateCapsule and
246 QueryCapsuleCapabilities API's.
248 config EFI_CAPSULE_ON_DISK
249 bool "Enable capsule-on-disk support"
251 select EFI_HAVE_CAPSULE_SUPPORT
253 Select this option if you want to use capsule-on-disk feature,
254 that is, capsules can be fetched and executed from files
255 under a specific directory on UEFI system partition instead of
256 via UpdateCapsule API.
258 config EFI_IGNORE_OSINDICATIONS
259 bool "Ignore OsIndications for CapsuleUpdate on-disk"
260 depends on EFI_CAPSULE_ON_DISK
261 default y if !EFI_RT_VOLATILE_STORE
263 There are boards where U-Boot does not support SetVariable at runtime.
264 Select this option if you want to use the capsule-on-disk feature
265 without setting the EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED
266 flag in variable OsIndications.
268 config EFI_CAPSULE_ON_DISK_EARLY
269 bool "Initiate capsule-on-disk at U-Boot boottime"
270 depends on EFI_CAPSULE_ON_DISK
272 Normally, without this option enabled, capsules will be
273 executed only at the first time of invoking one of efi command.
274 If this option is enabled, capsules will be enforced to be
275 executed as part of U-Boot initialisation so that they will
276 surely take place whatever is set to distro_bootcmd.
278 config EFI_CAPSULE_NAMESPACE_GUID
279 string "Namespace for dynamic capsule GUIDs"
280 # v4 UUID as a default for upstream U-Boot boards
281 default "8c9f137e-91dc-427b-b2d6-b420faebaf2a"
282 depends on EFI_HAVE_CAPSULE_SUPPORT
284 Define the namespace or "salt" GUID used to generate the per-image
285 GUIDs. This should be a GUID in the standard 8-4-4-4-12 format.
287 Device vendors are expected to generate their own namespace GUID
288 to avoid conflicts with upstream/community images.
290 config EFI_CAPSULE_FIRMWARE
293 config EFI_CAPSULE_FIRMWARE_MANAGEMENT
294 bool "Capsule: Firmware Management Protocol"
295 depends on EFI_HAVE_CAPSULE_SUPPORT
298 Select this option if you want to enable capsule-based
299 firmware update using Firmware Management Protocol.
301 config EFI_CAPSULE_FIRMWARE_FIT
302 bool "FMP driver for FIT images"
304 depends on EFI_CAPSULE_FIRMWARE_MANAGEMENT
307 select SET_DFU_ALT_INFO
308 select EFI_CAPSULE_FIRMWARE
310 Select this option if you want to enable firmware management protocol
313 config EFI_CAPSULE_FIRMWARE_RAW
314 bool "FMP driver for raw images"
315 depends on EFI_CAPSULE_FIRMWARE_MANAGEMENT
316 depends on SANDBOX || (!SANDBOX && !EFI_CAPSULE_FIRMWARE_FIT)
319 select SET_DFU_ALT_INFO
320 select EFI_CAPSULE_FIRMWARE
322 Select this option if you want to enable firmware management protocol
325 config EFI_CAPSULE_AUTHENTICATE
326 bool "Update Capsule authentication"
327 depends on EFI_CAPSULE_FIRMWARE
328 depends on EFI_CAPSULE_ON_DISK
329 depends on EFI_CAPSULE_FIRMWARE_MANAGEMENT
334 select RSA_VERIFY_WITH_PKEY
335 select X509_CERTIFICATE_PARSER
336 select PKCS7_MESSAGE_PARSER
338 select IMAGE_SIGN_INFO
339 select EFI_SIGNATURE_SUPPORT
341 Select this option if you want to enable capsule
344 config EFI_CAPSULE_MAX
345 int "Max value for capsule index"
349 Select the max capsule index value used for capsule report
350 variables. This value is used to create CapsuleMax variable.
352 config EFI_CAPSULE_CRT_FILE
353 string "Path to the EFI capsule public key certificate"
354 depends on EFI_CAPSULE_AUTHENTICATE
356 Provides the path to the EFI capsule public key certificate that
357 corresponds to the capsule signing key. This certificate will be used
358 to generate the EFI capsule ESL (signature list file) that gets
359 embedded in the platform's device tree and used for capsule
360 authentication at the time of capsule update.
364 menu "UEFI protocol support"
366 config EFI_DEVICE_PATH_TO_TEXT
367 bool "Device path to text protocol"
370 The device path to text protocol converts device nodes and paths to
371 human readable strings.
373 config EFI_DEVICE_PATH_UTIL
374 bool "Device path utilities protocol"
377 The device path utilities protocol creates and manipulates device
378 paths and device nodes. It is required to run the EFI Shell.
381 bool "Device tree fixup protocol"
382 depends on !GENERATE_ACPI_TABLE
385 The EFI device-tree fix-up protocol provides a function to let the
386 firmware apply fix-ups. This may be used by boot loaders.
388 config EFI_LOADER_HII
390 default y if !HAS_BOARD_SIZE_LIMIT
392 The Human Interface Infrastructure is a complicated framework that
393 allows UEFI applications to draw fancy menus and hook strings using
394 a translation framework.
396 U-Boot implements enough of its features to be able to run the UEFI
397 Shell, but not more than that.
399 config EFI_UNICODE_COLLATION_PROTOCOL2
400 bool "Unicode collation protocol"
403 The Unicode collation protocol is used for lexical comparisons. It is
404 required to run the UEFI shell.
406 if EFI_UNICODE_COLLATION_PROTOCOL2
408 config EFI_UNICODE_CAPITALIZATION
409 bool "Support Unicode capitalization"
410 default y if !HAS_BOARD_SIZE_LIMIT
412 Select this option to enable correct handling of the capitalization of
413 Unicode codepoints in the range 0x0000-0xffff. If this option is not
414 set, only the the correct handling of the letters of the codepage
415 used by the FAT file system is ensured.
419 config EFI_RNG_PROTOCOL
420 bool "EFI_RNG_PROTOCOL support"
424 Provide a EFI_RNG_PROTOCOL implementation using the hardware random
425 number generator of the platform.
427 config EFI_TCG2_PROTOCOL
428 bool "EFI_TCG2_PROTOCOL support"
438 Provide a EFI_TCG2_PROTOCOL implementation using the TPM hardware
441 config EFI_TCG2_PROTOCOL_MEASURE_DTB
442 bool "Measure DTB with EFI_TCG2_PROTOCOL"
443 depends on EFI_TCG2_PROTOCOL
445 When enabled, the DTB image passed to the booted EFI image is
446 measured using the EFI TCG2 protocol. Do not enable this feature if
447 the passed DTB contains data that change across platform reboots
448 and cannot be used has a predictable measurement. Otherwise
449 this feature allows better measurement of the system boot
452 config EFI_LOAD_FILE2_INITRD
453 bool "EFI_FILE_LOAD2_PROTOCOL for Linux initial ramdisk"
456 Linux v5.7 and later can make use of this option. If the boot option
457 selected by the UEFI boot manager specifies an existing file to be used
458 as initial RAM disk, a Linux specific Load File2 protocol will be
459 installed and Linux 5.7+ will ignore any initrd=<ramdisk> command line
462 config EFI_RISCV_BOOT_PROTOCOL
463 bool "RISCV_EFI_BOOT_PROTOCOL support"
467 The EFI_RISCV_BOOT_PROTOCOL is used to transfer the boot hart ID
468 to the next boot stage. It should be enabled as it is meant to
469 replace the transfer via the device-tree. The latter is not
470 possible on systems using ACPI.
472 config EFI_IP4_CONFIG2_PROTOCOL
473 bool "EFI_IP4_CONFIG2_PROTOCOL support"
474 default y if ARCH_QEMU || SANDBOX
475 depends on NET || NET_LWIP
477 Provides an implementation of the EFI_IP4_CONFIG2_PROTOCOL, this
478 protocol can be used to set and get the current ip address and
479 other network information.
481 config EFI_HTTP_PROTOCOL
482 bool "EFI_HTTP_PROTOCOL support"
483 default y if ARCH_QEMU || SANDBOX
486 Provides an EFI HTTP driver implementing the EFI_HTTP_PROTOCOL. and
487 EFI_HTTP_SERVICE_BINDING_PROTOCOL.
492 config EFI_LOADER_BOUNCE_BUFFER
493 bool "EFI Applications use bounce buffers for DMA operations"
495 Some hardware does not support DMA to full 64bit addresses. For this
496 hardware we can create a bounce buffer so that payloads don't have to
497 worry about platform details.
499 config EFI_GRUB_ARM32_WORKAROUND
500 bool "Workaround for GRUB on 32bit ARM"
501 default n if ARCH_BCM283X || ARCH_SUNXI || ARCH_QEMU
503 depends on ARM && !ARM64
505 GRUB prior to version 2.04 requires U-Boot to disable caches. This
506 workaround currently is also needed on systems with caches that
507 cannot be managed via CP15.
510 bool "Enable the UEFI ESRT generation"
511 depends on EFI_CAPSULE_FIRMWARE_MANAGEMENT
514 Enabling this option creates the ESRT UEFI system table.
517 bool "Enable the UEFI ECPT generation"
520 Enabling this option created the ECPT UEFI table.
522 config EFI_EBBR_2_1_CONFORMANCE
523 bool "Add the EBBRv2.1 conformance entry to the ECPT table"
524 depends on BOOTMETH_EFI_BOOTMGR
526 depends on EFI_LOADER_HII
527 depends on EFI_RISCV_BOOT_PROTOCOL || !RISCV
528 depends on EFI_RNG_PROTOCOL || !DM_RNG
529 depends on EFI_UNICODE_COLLATION_PROTOCOL2
532 Enabling this option adds the EBBRv2.1 conformance entry to the ECPT UEFI table.
534 config EFI_SCROLL_ON_CLEAR_SCREEN
535 bool "Avoid overwriting previous output on clear screen"
537 Instead of erasing the screen content when the console screen should
538 be cleared, emit blank new lines so that previous output is scrolled
539 out of sight rather than overwritten. On serial consoles this allows
540 to capture complete boot logs (except for interactive menus etc.)
541 and can ease debugging related issues.
545 menu "EFI bootmanager"
548 bool "UEFI Boot Manager"
551 Select this option if you want to select the UEFI binary to be booted
552 via UEFI variables Boot####, BootOrder, and BootNext. You should also
553 normally enable CMD_BOOTEFI_BOOTMGR so that the command is available.
556 bool "EFI HTTP Boot support"
557 depends on NET || NET_LWIP
563 Enabling this option adds EFI HTTP Boot support. It allows to
564 directly boot from network.
567 config BOOTEFI_HELLO_COMPILE
568 bool "Compile a standard EFI hello world binary for testing"
571 This compiles a standard EFI hello world application with U-Boot so
572 that it can be used with the test/py testing framework. This is useful
573 for testing that EFI is working at a basic level, and for bringing
574 up EFI support on a new architecture.
576 No additional space will be required in the resulting U-Boot binary
577 when this option is enabled.
579 config BOOTEFI_TESTAPP_COMPILE
580 bool "Compile an EFI test app for testing"
583 This compiles an app designed for testing. It is packed into an image
584 by the test.py testing frame in the setup_efi_image() function.
586 No additional space will be required in the resulting U-Boot binary
587 when this option is enabled.
591 source "lib/efi/Kconfig"