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Ilias Apalodimas 53f6a5aa86 efi_loader: Replace config option for initrd loading 
Up to now we install EFI_LOAD_FILE2_PROTOCOL to load an initrd
unconditionally. Although we correctly return various EFI exit codes
depending on the file status (i.e EFI_NO_MEDIA, EFI_NOT_FOUND etc), the
kernel loader, only falls back to the cmdline interpreted initrd if the
protocol is not installed.

This creates a problem for EFI installers, since they won't be able to
load their own initrd and continue the installation. It also makes the
feature hard to use, since we can either have a single initrd or we have
to recompile u-boot if the filename changes.

So let's introduce a different logic that will decouple the initrd
path from the config option we currently have.
When defining a UEFI BootXXXX we can use the filepathlist and store
a file path pointing to our initrd. Specifically the EFI spec describes:

"The first element of the array is a device path that describes the device
and location of the Image for this load option. Other device paths may
optionally exist in the FilePathList, but their usage is OSV specific"

When the EFI application is launched through the bootmgr, we'll try to
interpret the extra device path. If that points to a file that exists on
our disk, we'll now install the load_file2 and the efi-stub will be able
to use it.

This opens up another path using U-Boot and defines a new boot flow.
A user will be able to control the kernel/initrd pairs without explicit
cmdline args or GRUB.

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-03-25 20:14:26 +01:00
..
acpi common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
aes fit: cipher: aes: allow to store the IV in the FIT image 2020-10-12 21:30:37 -04:00
at91 SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
bzip2 common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
crypto crypto: Fix the logic to calculate hash with authattributes set 2020-12-31 14:41:31 +01:00
dhry command: Remove the cmd_tbl_t typedef 2020-05-18 18:36:55 -04:00
efi common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
efi_driver dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
efi_loader efi_loader: Replace config option for initrd loading 2021-03-25 20:14:26 +01:00
efi_selftest efi_selftest: Remove loadfile2 for initrd selftests 2021-03-25 20:08:02 +01:00
libavb common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
libfdt fdt_region: move fdt_region.c to common/ from lib/libfdt/ 2020-04-26 14:23:55 -06:00
lzma common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
lzo SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
optee common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
rsa lib: rsa: Add debug message on algo mismatch 2021-02-24 16:51:48 -05:00
tizen SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
zlib common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
zstd dm: core: Create a new header file for 'compat' features 2020-02-05 19:33:46 -07:00
.gitignore lib: ignore oid_registry_data.c file 2020-01-22 17:47:57 -05:00
addr_map.c lib: addr_map: Move address_map[] type to the header file 2021-03-05 10:25:43 +05:30
aes.c lib: aes: build failure with DEBUG=1 2021-01-16 19:17:11 -05:00
asm-offsets.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
asn1_decoder.c common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
bch.c common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
binman.c binman: Print a debug message when binman selects a node 2021-01-30 14:25:42 -07:00
bitrev.c lib: bitrev: Sync with Linux kernel v4.17 2018-09-18 00:01:18 -06:00
charset.c lib/charset: UTF-8 stream conversion 2021-03-07 17:37:13 +01:00
circbuf.c common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
crc7.c
crc8.c common: Drop linux/crc8.h 2019-12-02 18:23:07 -05:00
crc16.c Roll CRC16-CCITT into the hash infrastructure 2018-12-08 20:18:44 -05:00
crc32.c crc32: Use the crc.h header for crc functions 2019-12-02 18:23:08 -05:00
crc32c.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
ctype.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
date.c lib: add mktime64() for linux compatibility 2019-12-06 16:44:19 -05:00
display_options.c display_options: Use USE_TINY_PRINTF for SPL check 2021-01-27 17:03:16 -05:00
div64.c common: Drop linux/bitops.h from common header 2020-05-18 21:19:23 -04:00
elf.c lib: elf: Move the generic elf loading/validating functions to lib 2020-03-03 13:08:14 +05:30
errno.c
errno_str.c lib: errno: sync error codes 2019-10-31 07:22:53 -04:00
fdtdec.c Merge branch '2021-02-02-drop-asm_global_data-when-unused' 2021-02-15 10:16:45 -05:00
fdtdec_common.c common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
fdtdec_test.c command: Remove the cmd_tbl_t typedef 2020-05-18 18:36:55 -04:00
getopt.c lib: Add getopt 2020-10-30 10:56:11 -04:00
gunzip.c common: Drop part.h from common header 2020-05-18 17:33:33 -04:00
gzip.c common: Move gzip functions into a new gzip header 2019-08-11 16:43:41 -04:00
hang.c common: Move hang() to the same header as panic() 2020-01-17 17:53:40 -05:00
hashtable.c env: Allow returning errors from hdelete_r() 2020-12-04 16:09:06 -05:00
hexdump.c lib: do not provide hexdump in SPL 2020-04-24 10:51:32 -04:00
image-sparse.c common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
Kconfig lib: kconfig: Mention CONFIG_ADDR_MAP limitation in the help 2021-03-05 10:25:43 +05:30
ldiv.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
linux_compat.c common: Drop net.h from common header 2020-05-18 17:33:31 -04:00
linux_string.c Make linux kernel string funcs available to tools 2012-12-13 11:46:07 -07:00
list_sort.c common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
lmb.c CONFIG_NR_DRAM_BANKS: Remove unreferenced code as its always defined 2020-08-26 09:19:16 +02:00
lz4.c SPDX: Convert a few files that were missed before 2018-05-10 20:38:35 -04:00
lz4_wrapper.c lz4: fix decompressor on big-endian powerpc 2020-07-17 08:45:29 -04:00
Makefile tpm: Switch TPMv1 over to use the new API 2021-03-02 15:53:37 -05:00
md5.c
membuff.c common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
net_utils.c common: Drop net.h from common header 2020-05-18 17:33:31 -04:00
of_live.c common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
oid_registry.c lib: add oid registry utility 2019-12-06 16:44:20 -05:00
panic.c common: Drop linux/delay.h from common header 2020-05-18 21:19:23 -04:00
physmem.c common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
qsort.c common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
rand.c common: Move random-number functions into their own header 2019-12-02 18:23:07 -05:00
rbtree.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
rc4.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
sha1.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
sha256.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
sha512.c lib: sha512: include "compiler.h" 2021-02-24 16:51:49 -05:00
slre.c common: Drop log.h from common header 2020-05-18 21:19:18 -04:00
smbios-parser.c smbios: add parsing API 2020-11-05 14:58:45 +08:00
smbios.c smbios: Allow a few values to come from sysinfo 2021-02-06 19:20:36 +08:00
sscanf.c xen: Code style conformity 2020-08-24 14:11:31 -04:00
string.c string: Use memcpy() within memmove() when we can 2021-01-16 14:49:09 -05:00
strto.c Revert "lib: Improve _parse_integer_fixup_radix base 16 detection" 2020-06-15 11:23:41 -04:00
tables_csum.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
time.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
tiny-printf.c tiny-printf: Support %i 2020-05-01 11:03:24 -04:00
tpm-common.c tpm: Add debugging of request in tpm_sendrecv_command() 2021-03-02 15:53:37 -05:00
tpm-utils.h tpm: Convert to use a device parameter 2018-11-29 09:30:06 -07:00
tpm-v1.c tpm: Switch TPMv1 over to use the new API 2021-03-02 15:53:37 -05:00
tpm-v2.c tpm: Allow disabling platform hierarchy with TPM2 2021-03-02 15:53:37 -05:00
tpm_api.c tpm: Add TPM2 support for write_lock 2021-03-02 15:53:37 -05:00
trace.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
uuid.c lib: uuid: use RNG device if present 2021-01-19 09:15:02 -05:00
vsprintf.c compiler*.h: sync include/linux/compiler*.h with Linux 5.7-rc5 2020-07-01 11:48:05 -04:00
xxhash.c lib: Add xxhash support 2019-05-05 08:48:50 -04:00