[PATCH 5/6] efidebug: add multiple device path instances on Boot####
Ilias Apalodimas
ilias.apalodimas at linaro.org
Fri Mar 12 05:55:57 CET 2021
Akashi-san
> >
[...]
> > +/**
> > + * add_initrd_instance() - Append a device path to load_options pointing to an
> > + * inirtd
> > + if (!initrd_dp) {
> > + printf("Cannot append media vendor device path path\n");
> > + goto out;
> > + }
> > + final_fp = efi_dp_concat(fp, initrd_dp);
> > + *fp_size = efi_dp_size(fp) + efi_dp_size(initrd_dp) +
> > + (2 * sizeof(struct efi_device_path));
> > +
> > +out:
> > + efi_free_pool(initrd_dp);
> > + efi_free_pool(tmp_dp);
> > + efi_free_pool(tmp_fp);
> > + return final_fp ? final_fp : ERR_PTR(-EINVAL);
> > +}
> > +
> > /**
> > * do_efi_boot_add() - set UEFI load option
> > *
> > @@ -806,7 +868,9 @@ static int do_efi_show_tables(struct cmd_tbl *cmdtp, int flag,
> > *
> > * Implement efidebug "boot add" sub-command. Create or change UEFI load option.
> > *
> > - * efidebug boot add <id> <label> <interface> <devnum>[:<part>] <file> <options>
> > + * efidebug boot add -b <id> <label> <interface> <devnum>[:<part>] <file>
> > + * -i <file> <interface2> <devnum2>[:<part>] <initrd>
> > + * -s '<options>'
>
> We discussed another syntax:
> efidebug boot add <id> ...
> efidebug boot add-initrd <id> <initrd path>
> (Please don't care detailed syntax for now.)
Yep and I completely agree this is a better format but ...
>
> What is the difficulty that you have had to implement this type of
> interface?
The problem is that the initrd and kernel eventually go into *one* Boot####
variable. So it's much easier to treat them in a single command as a bundle.
Otherwise you'll have to start adding checks on the initrd code to make
sure the Boot### variable exists before you append an initrd.
Then you have to deserialize the existing stored device path in Boot####,
append the initrd and serialize it again (and last time I checked this is not
as easy as it sounds).
Also what happens if you edit a Boot#### option and that option has an initrd?
You have to pick up the existing initrd and move it over? Or do we silently
delete it?
Something like:
efidebug boot add 0001
efidebug boot add-initrd 0001
efidebug boot add 0001
or even
efidebug boot add 0001
efidebug boot add-initrd 0001
efidebug boot add-initrd 0001
Again it looks better. It's probably easier to use, but this is an efidebug
command. efibootmgr etc is supposed to set this correctly, so does the extra
effort and code worth it?
>
> Even if we follow your new syntax,
> Why do we need '-b' option?
> "<id> <label> <interface> <devnum>[:<part>] <file>" are all mandatory arguments,
> aren't they?
Yes, it's just felt a bit more natural to add args on everything. If other
feel the same way I can obviously remove it.
Regards
/Ilias
>
> -Takahiro Akashi
>
>
>
> > */
> > static int do_efi_boot_add(struct cmd_tbl *cmdtp, int flag,
> > int argc, char *const argv[])
> > @@ -819,55 +883,98 @@ static int do_efi_boot_add(struct cmd_tbl *cmdtp, int flag,
> > size_t label_len, label_len16;
> > u16 *label;
> > struct efi_device_path *device_path = NULL, *file_path = NULL;
> > + struct efi_device_path *final_fp = NULL;
> > struct efi_load_option lo;
> > void *data = NULL;
> > efi_uintn_t size;
> > + efi_uintn_t fp_size;
> > efi_status_t ret;
> > int r = CMD_RET_SUCCESS;
> > -
> > - if (argc < 6 || argc > 7)
> > - return CMD_RET_USAGE;
> > -
> > - id = (int)simple_strtoul(argv[1], &endp, 16);
> > - if (*endp != '\0' || id > 0xffff)
> > - return CMD_RET_USAGE;
> > -
> > - sprintf(var_name, "Boot%04X", id);
> > - p = var_name16;
> > - utf8_utf16_strncpy(&p, var_name, 9);
> > + int i;
> >
> > guid = efi_global_variable_guid;
> >
> > /* attributes */
> > lo.attributes = LOAD_OPTION_ACTIVE; /* always ACTIVE */
> > + lo.optional_data = NULL;
> > + lo.label = NULL;
> >
> > - /* label */
> > - label_len = strlen(argv[2]);
> > - label_len16 = utf8_utf16_strnlen(argv[2], label_len);
> > - label = malloc((label_len16 + 1) * sizeof(u16));
> > - if (!label)
> > - return CMD_RET_FAILURE;
> > - lo.label = label; /* label will be changed below */
> > - utf8_utf16_strncpy(&label, argv[2], label_len);
> > + /* search for -b first since the rest of the arguments depends on that */
> > + for (i = 0; i < argc; i++) {
> > + if (!strcmp(argv[i], "-b")) {
> > + if (argc < i + 5 || lo.label) {
> > + r = CMD_RET_USAGE;
> > + goto out;
> > + }
> > + id = (int)simple_strtoul(argv[i + 1], &endp, 16);
> > + if (*endp != '\0' || id > 0xffff)
> > + return CMD_RET_USAGE;
> > +
> > + sprintf(var_name, "Boot%04X", id);
> > + p = var_name16;
> > + utf8_utf16_strncpy(&p, var_name, 9);
> > +
> > + /* label */
> > + label_len = strlen(argv[i + 2]);
> > + label_len16 = utf8_utf16_strnlen(argv[i + 2], label_len);
> > + label = malloc((label_len16 + 1) * sizeof(u16));
> > + if (!label)
> > + return CMD_RET_FAILURE;
> > + lo.label = label; /* label will be changed below */
> > + utf8_utf16_strncpy(&label, argv[i + 2], label_len);
> > +
> > + /* file path */
> > + ret = efi_dp_from_name(argv[i + 3], argv[i + 4],
> > + argv[i + 5], &device_path,
> > + &file_path);
> > + if (ret != EFI_SUCCESS) {
> > + printf("Cannot create device path for \"%s %s\"\n",
> > + argv[3], argv[4]);
> > + r = CMD_RET_FAILURE;
> > + goto out;
> > + break;
> > + }
> > + fp_size = efi_dp_size(file_path) +
> > + sizeof(struct efi_device_path);
> > + }
> > + }
> >
> > - /* file path */
> > - ret = efi_dp_from_name(argv[3], argv[4], argv[5], &device_path,
> > - &file_path);
> > - if (ret != EFI_SUCCESS) {
> > - printf("Cannot create device path for \"%s %s\"\n",
> > - argv[3], argv[4]);
> > + if (!file_path) {
> > + printf("You need to specify an image before an initrd.\n");
> > r = CMD_RET_FAILURE;
> > goto out;
> > }
> > - lo.file_path = file_path;
> > - lo.file_path_length = efi_dp_size(file_path)
> > - + sizeof(struct efi_device_path); /* for END */
> >
> > - /* optional data */
> > - if (argc == 6)
> > - lo.optional_data = NULL;
> > - else
> > - lo.optional_data = (const u8 *)argv[6];
> > + /* add now add initrd and extra data */
> > + for (i = 0; i < argc; i++) {
> > + if (!strcmp(argv[i], "-i")) {
> > + if (argc < i + 3 || final_fp) {
> > + r = CMD_RET_USAGE;
> > + goto out;
> > + }
> > +
> > + final_fp = add_initrd_instance(argv[i + 1], argv[i + 2],
> > + argv[i + 3], file_path,
> > + &fp_size);
> > + if (IS_ERR(final_fp)) {
> > + r = CMD_RET_FAILURE;
> > + goto out;
> > + }
> > +
> > + /* add_initrd_instance allocates a new device path */
> > + efi_free_pool(file_path);
> > + file_path = final_fp;
> > + } else if (!strcmp(argv[i], "-s")) {
> > + if (argc < i + 1 || lo.optional_data) {
> > + r = CMD_RET_USAGE;
> > + goto out;
> > + }
> > + lo.optional_data = (const u8 *)argv[i + 1];
> > + }
> > + }
> > +
> > + lo.file_path = file_path;
> > + lo.file_path_length = fp_size;
> >
> > size = efi_serialize_load_option(&lo, (u8 **)&data);
> > if (!size) {
> > @@ -951,11 +1058,14 @@ static int do_efi_boot_rm(struct cmd_tbl *cmdtp, int flag,
> > */
> > static void show_efi_boot_opt_data(u16 *varname16, void *data, size_t *size)
> > {
> > + struct efi_device_path *initrd_path = NULL;
> > struct efi_load_option lo;
> > char *label, *p;
> > size_t label_len16, label_len;
> > u16 *dp_str;
> > efi_status_t ret;
> > + efi_uintn_t initrd_dp_size;
> > + const efi_guid_t lf2_initrd_guid = EFI_INITRD_MEDIA_GUID;
> >
> > ret = efi_deserialize_load_option(&lo, data, size);
> > if (ret != EFI_SUCCESS) {
> > @@ -986,6 +1096,14 @@ static void show_efi_boot_opt_data(u16 *varname16, void *data, size_t *size)
> > printf(" file_path: %ls\n", dp_str);
> > efi_free_pool(dp_str);
> >
> > + initrd_path = efi_dp_from_lo(&lo, &initrd_dp_size, lf2_initrd_guid);
> > + if (initrd_path) {
> > + dp_str = efi_dp_str(initrd_path);
> > + printf(" initrd_path: %ls\n", dp_str);
> > + efi_free_pool(dp_str);
> > + efi_free_pool(initrd_path);
> > + }
> > +
> > printf(" data:\n");
> > print_hex_dump(" ", DUMP_PREFIX_OFFSET, 16, 1,
> > lo.optional_data, *size, true);
> > @@ -1555,7 +1673,10 @@ static int do_efidebug(struct cmd_tbl *cmdtp, int flag,
> > static char efidebug_help_text[] =
> > " - UEFI Shell-like interface to configure UEFI environment\n"
> > "\n"
> > - "efidebug boot add <bootid> <label> <interface> <devnum>[:<part>] <file path> [<load options>]\n"
> > + "efidebug boot add "
> > + "-b <bootid> <label> <interface> <devnum>[:<part>] <file path> "
> > + "-i <interface> <devnum>[:<part>] <initrd file path> "
> > + "-s '<optional data>'\n"
> > " - set UEFI BootXXXX variable\n"
> > " <load options> will be passed to UEFI application\n"
> > "efidebug boot rm <bootid#1> [<bootid#2> [<bootid#3> [...]]]\n"
> > @@ -1599,7 +1720,7 @@ static char efidebug_help_text[] =
> > #endif
> >
> > U_BOOT_CMD(
> > - efidebug, 10, 0, do_efidebug,
> > + efidebug, CONFIG_SYS_MAXARGS, 0, do_efidebug,
> > "Configure UEFI environment",
> > efidebug_help_text
> > );
> > diff --git a/doc/board/emulation/qemu_capsule_update.rst b/doc/board/emulation/qemu_capsule_update.rst
> > index 9fec75f8f1c9..33ce4bcd32ea 100644
> > --- a/doc/board/emulation/qemu_capsule_update.rst
> > +++ b/doc/board/emulation/qemu_capsule_update.rst
> > @@ -60,7 +60,7 @@ to be pointing to the EFI System Partition which contains the capsule
> > file. The BootNext, BootXXXX and OsIndications variables can be set
> > using the following commands::
> >
> > - => efidebug boot add 0 Boot0000 virtio 0:1 <capsule_file_name>
> > + => efidebug boot add -b 0 Boot0000 virtio 0:1 <capsule_file_name>
> > => efidebug boot next 0
> > => setenv -e -nv -bs -rt -v OsIndications =0x04
> > => saveenv
> > @@ -198,7 +198,7 @@ command line::
> > 3. Set the following environment and UEFI boot variables
> >
> > => setenv -e -nv -bs -rt -v OsIndications =0x04
> > - => efidebug boot add 0 Boot0000 virtio 0:1 <capsule_file_name>
> > + => efidebug boot add -b 0 Boot0000 virtio 0:1 <capsule_file_name>
> > => efidebug boot next 0
> > => saveenv
> >
> > diff --git a/doc/uefi/uefi.rst b/doc/uefi/uefi.rst
> > index 5a67737c1579..b3494c22e073 100644
> > --- a/doc/uefi/uefi.rst
> > +++ b/doc/uefi/uefi.rst
> > @@ -178,7 +178,7 @@ Now in U-Boot install the keys on your board::
> >
> > Set up boot parameters on your board::
> >
> > - efidebug boot add 1 HELLO mmc 0:1 /helloworld.efi.signed ""
> > + efidebug boot add -b 1 HELLO mmc 0:1 /helloworld.efi.signed ""
> >
> > Now your board can run the signed image via the boot manager (see below).
> > You can also try this sequence by running Pytest, test_efi_secboot,
> > diff --git a/test/py/tests/test_efi_capsule/test_capsule_firmware.py b/test/py/tests/test_efi_capsule/test_capsule_firmware.py
> > index f006fa95d650..e8b0a1575453 100644
> > --- a/test/py/tests/test_efi_capsule/test_capsule_firmware.py
> > +++ b/test/py/tests/test_efi_capsule/test_capsule_firmware.py
> > @@ -39,7 +39,7 @@ class TestEfiCapsuleFirmwareFit(object):
> > with u_boot_console.log.section('Test Case 1-a, before reboot'):
> > output = u_boot_console.run_command_list([
> > 'host bind 0 %s' % disk_img,
> > - 'efidebug boot add 1 TEST host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 1 TEST host 0:1 /helloworld.efi ""',
> > 'efidebug boot order 1',
> > 'env set -e OsIndications',
> > 'env set dfu_alt_info "sf 0:0=u-boot-bin raw 0x100000 0x50000;u-boot-env raw 0x150000 0x200000"',
> > @@ -114,7 +114,7 @@ class TestEfiCapsuleFirmwareFit(object):
> > with u_boot_console.log.section('Test Case 2-a, before reboot'):
> > output = u_boot_console.run_command_list([
> > 'host bind 0 %s' % disk_img,
> > - 'efidebug boot add 1 TEST host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 1 TEST host 0:1 /helloworld.efi ""',
> > 'efidebug boot order 1',
> > 'env set -e -nv -bs -rt OsIndications =0x0000000000000004',
> > 'env set dfu_alt_info "sf 0:0=u-boot-bin raw 0x100000 0x50000;u-boot-env raw 0x150000 0x200000"',
> > @@ -188,7 +188,7 @@ class TestEfiCapsuleFirmwareFit(object):
> > with u_boot_console.log.section('Test Case 3-a, before reboot'):
> > output = u_boot_console.run_command_list([
> > 'host bind 0 %s' % disk_img,
> > - 'efidebug boot add 1 TEST host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 1 TEST host 0:1 /helloworld.efi ""',
> > 'efidebug boot order 1',
> > 'env set -e -nv -bs -rt OsIndications =0x0000000000000004',
> > 'env set dfu_alt_info "sf 0:0=u-boot-bin raw 0x100000 0x50000;u-boot-env raw 0x150000 0x200000"',
> > diff --git a/test/py/tests/test_efi_secboot/test_signed.py b/test/py/tests/test_efi_secboot/test_signed.py
> > index 863685e215b7..75f5ea772300 100644
> > --- a/test/py/tests/test_efi_secboot/test_signed.py
> > +++ b/test/py/tests/test_efi_secboot/test_signed.py
> > @@ -28,7 +28,7 @@ class TestEfiSignedImage(object):
> > # Test Case 1a, run signed image if no PK
> > output = u_boot_console.run_command_list([
> > 'host bind 0 %s' % disk_img,
> > - 'efidebug boot add 1 HELLO1 host 0:1 /helloworld.efi.signed ""',
> > + 'efidebug boot add -b 1 HELLO1 host 0:1 /helloworld.efi.signed ""',
> > 'efidebug boot next 1',
> > 'bootefi bootmgr'])
> > assert 'Hello, world!' in ''.join(output)
> > @@ -36,7 +36,7 @@ class TestEfiSignedImage(object):
> > with u_boot_console.log.section('Test Case 1b'):
> > # Test Case 1b, run unsigned image if no PK
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 2 HELLO2 host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 2 HELLO2 host 0:1 /helloworld.efi ""',
> > 'efidebug boot next 2',
> > 'bootefi bootmgr'])
> > assert 'Hello, world!' in ''.join(output)
> > @@ -58,13 +58,13 @@ class TestEfiSignedImage(object):
> > 'setenv -e -nv -bs -rt -at -i 4000000:$filesize PK'])
> > assert 'Failed to set EFI variable' not in ''.join(output)
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO1 host 0:1 /helloworld.efi.signed ""',
> > + 'efidebug boot add -b 1 HELLO1 host 0:1 /helloworld.efi.signed ""',
> > 'efidebug boot next 1',
> > 'efidebug test bootmgr'])
> > assert('\'HELLO1\' failed' in ''.join(output))
> > assert('efi_start_image() returned: 26' in ''.join(output))
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 2 HELLO2 host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 2 HELLO2 host 0:1 /helloworld.efi ""',
> > 'efidebug boot next 2',
> > 'efidebug test bootmgr'])
> > assert '\'HELLO2\' failed' in ''.join(output)
> > @@ -104,7 +104,7 @@ class TestEfiSignedImage(object):
> > 'setenv -e -nv -bs -rt -at -i 4000000:$filesize PK'])
> > assert 'Failed to set EFI variable' not in ''.join(output)
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi.signed ""',
> > + 'efidebug boot add -b 1 HELLO host 0:1 /helloworld.efi.signed ""',
> > 'efidebug boot next 1',
> > 'efidebug test bootmgr'])
> > assert '\'HELLO\' failed' in ''.join(output)
> > @@ -142,7 +142,7 @@ class TestEfiSignedImage(object):
> > 'setenv -e -nv -bs -rt -at -i 4000000:$filesize PK'])
> > assert 'Failed to set EFI variable' not in ''.join(output)
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi.signed ""',
> > + 'efidebug boot add -b 1 HELLO host 0:1 /helloworld.efi.signed ""',
> > 'efidebug boot next 1',
> > 'efidebug test bootmgr'])
> > assert '\'HELLO\' failed' in ''.join(output)
> > @@ -169,7 +169,7 @@ class TestEfiSignedImage(object):
> > 'setenv -e -nv -bs -rt -at -i 4000000:$filesize PK'])
> > assert 'Failed to set EFI variable' not in ''.join(output)
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi.signed_2sigs ""',
> > + 'efidebug boot add -b 1 HELLO host 0:1 /helloworld.efi.signed_2sigs ""',
> > 'efidebug boot next 1',
> > 'efidebug test bootmgr'])
> > assert 'Hello, world!' in ''.join(output)
> > @@ -227,7 +227,7 @@ class TestEfiSignedImage(object):
> > 'setenv -e -nv -bs -rt -at -i 4000000:$filesize PK'])
> > assert 'Failed to set EFI variable' not in ''.join(output)
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi.signed ""',
> > + 'efidebug boot add -b 1 HELLO host 0:1 /helloworld.efi.signed ""',
> > 'efidebug boot next 1',
> > 'bootefi bootmgr'])
> > assert 'Hello, world!' in ''.join(output)
> > diff --git a/test/py/tests/test_efi_secboot/test_signed_intca.py b/test/py/tests/test_efi_secboot/test_signed_intca.py
> > index 70d6be00e8a8..0849572a5143 100644
> > --- a/test/py/tests/test_efi_secboot/test_signed_intca.py
> > +++ b/test/py/tests/test_efi_secboot/test_signed_intca.py
> > @@ -39,7 +39,7 @@ class TestEfiSignedImageIntca(object):
> > assert 'Failed to set EFI variable' not in ''.join(output)
> >
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO_a host 0:1 /helloworld.efi.signed_a ""',
> > + 'efidebug boot add -b 1 HELLO_a host 0:1 /helloworld.efi.signed_a ""',
> > 'efidebug boot next 1',
> > 'efidebug test bootmgr'])
> > assert '\'HELLO_a\' failed' in ''.join(output)
> > @@ -48,7 +48,7 @@ class TestEfiSignedImageIntca(object):
> > with u_boot_console.log.section('Test Case 1b'):
> > # Test Case 1b, signed and authenticated by root CA
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 2 HELLO_ab host 0:1 /helloworld.efi.signed_ab ""',
> > + 'efidebug boot add -b 2 HELLO_ab host 0:1 /helloworld.efi.signed_ab ""',
> > 'efidebug boot next 2',
> > 'bootefi bootmgr'])
> > assert 'Hello, world!' in ''.join(output)
> > @@ -70,7 +70,7 @@ class TestEfiSignedImageIntca(object):
> > assert 'Failed to set EFI variable' not in ''.join(output)
> >
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO_abc host 0:1 /helloworld.efi.signed_abc ""',
> > + 'efidebug boot add -b 1 HELLO_abc host 0:1 /helloworld.efi.signed_abc ""',
> > 'efidebug boot next 1',
> > 'efidebug test bootmgr'])
> > assert '\'HELLO_abc\' failed' in ''.join(output)
> > @@ -116,7 +116,7 @@ class TestEfiSignedImageIntca(object):
> > assert 'Failed to set EFI variable' not in ''.join(output)
> >
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO_abc host 0:1 /helloworld.efi.signed_abc ""',
> > + 'efidebug boot add -b 1 HELLO_abc host 0:1 /helloworld.efi.signed_abc ""',
> > 'efidebug boot next 1',
> > 'efidebug test bootmgr'])
> > assert 'Hello, world!' in ''.join(output)
> > diff --git a/test/py/tests/test_efi_secboot/test_unsigned.py b/test/py/tests/test_efi_secboot/test_unsigned.py
> > index 56f56e19eb84..8e026f7566ad 100644
> > --- a/test/py/tests/test_efi_secboot/test_unsigned.py
> > +++ b/test/py/tests/test_efi_secboot/test_unsigned.py
> > @@ -35,7 +35,7 @@ class TestEfiUnsignedImage(object):
> > assert 'Failed to set EFI variable' not in ''.join(output)
> >
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 1 HELLO host 0:1 /helloworld.efi ""',
> > 'efidebug boot next 1',
> > 'bootefi bootmgr'])
> > assert '\'HELLO\' failed' in ''.join(output)
> > @@ -64,7 +64,7 @@ class TestEfiUnsignedImage(object):
> > assert 'Failed to set EFI variable' not in ''.join(output)
> >
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 1 HELLO host 0:1 /helloworld.efi ""',
> > 'efidebug boot next 1',
> > 'bootefi bootmgr'])
> > assert 'Hello, world!' in ''.join(output)
> > @@ -88,7 +88,7 @@ class TestEfiUnsignedImage(object):
> > assert 'Failed to set EFI variable' not in ''.join(output)
> >
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 1 HELLO host 0:1 /helloworld.efi ""',
> > 'efidebug boot next 1',
> > 'bootefi bootmgr'])
> > assert '\'HELLO\' failed' in ''.join(output)
> > @@ -106,7 +106,7 @@ class TestEfiUnsignedImage(object):
> > assert 'Failed to set EFI variable' not in ''.join(output)
> >
> > output = u_boot_console.run_command_list([
> > - 'efidebug boot add 1 HELLO host 0:1 /helloworld.efi ""',
> > + 'efidebug boot add -b 1 HELLO host 0:1 /helloworld.efi ""',
> > 'efidebug boot next 1',
> > 'bootefi bootmgr'])
> > assert '\'HELLO\' failed' in ''.join(output)
> > --
> > 2.30.1
> >
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