[PATCH v4 2/5] treewide: bcb: move ab_select command to bcb subcommands
Dmitry Rokosov
ddrokosov at salutedevices.com
Mon Oct 14 23:06:14 CEST 2024
To enhance code organization, it is beneficial to consolidate all A/B
BCB management routines into a single super-command.
The 'bcb' command is an excellent candidate for this purpose.
This patch integrates the separate 'ab_select' command into the 'bcb'
group as the 'ab_select' subcommand, maintaining the same parameter list
for consistency.
Signed-off-by: Dmitry Rokosov <ddrokosov at salutedevices.com>
---
MAINTAINERS | 1 -
cmd/Kconfig | 14 ------
cmd/Makefile | 1 -
cmd/ab_select.c | 66 ---------------------------
cmd/bcb.c | 75 +++++++++++++++++++++++++++++++
configs/am57xx_evm_defconfig | 1 -
configs/am57xx_hs_evm_defconfig | 1 -
configs/am57xx_hs_evm_usb_defconfig | 1 -
configs/khadas-vim3_android_ab_defconfig | 1 -
configs/khadas-vim3l_android_ab_defconfig | 1 -
configs/sandbox64_defconfig | 2 +
configs/sandbox_defconfig | 1 -
doc/android/ab.rst | 12 ++---
include/configs/khadas-vim3_android.h | 2 +-
include/configs/khadas-vim3l_android.h | 2 +-
include/configs/meson64_android.h | 4 +-
include/configs/ti_omap5_common.h | 4 +-
test/py/tests/test_android/test_ab.py | 8 ++--
18 files changed, 93 insertions(+), 104 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 7aefda93d017f07d616f0f6d191129914fbeb484..668ccec9ae6df47192b1af668e3fdbeb1dfa15ea 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -65,7 +65,6 @@ R: Sam Protsenko <semen.protsenko at linaro.org>
S: Maintained
T: git https://source.denx.de/u-boot/custodians/u-boot-dfu.git
F: boot/android_ab.c
-F: cmd/ab_select.c
F: doc/android/ab.rst
F: include/android_ab.h
F: test/py/tests/test_android/test_ab.py
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 37894eb80d66f98bb5a3b3745d207ddbf7af088d..e1a4a97b042db2491d55398ea1e879ce5a83930e 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -1774,20 +1774,6 @@ config CMD_XXD
endmenu
-menu "Android support commands"
-
-config CMD_AB_SELECT
- bool "ab_select"
- depends on ANDROID_AB
- help
- On Android devices with more than one boot slot (multiple copies of
- the kernel and system images) this provides a command to select which
- slot should be used to boot from and register the boot attempt. This
- is used by the new A/B update model where one slot is updated in the
- background while running from the other slot.
-
-endmenu
-
if NET
menuconfig CMD_NET
diff --git a/cmd/Makefile b/cmd/Makefile
index 91227f1249cbda5f7b383e8865c8cc23f3ad5f44..0fd7da3c0de91822c4299cc7034193c497d622b1 100644
--- a/cmd/Makefile
+++ b/cmd/Makefile
@@ -17,7 +17,6 @@ obj-$(CONFIG_CMD_2048) += 2048.o
obj-$(CONFIG_CMD_ACPI) += acpi.o
obj-$(CONFIG_CMD_ADDRMAP) += addrmap.o
obj-$(CONFIG_CMD_AES) += aes.o
-obj-$(CONFIG_CMD_AB_SELECT) += ab_select.o
obj-$(CONFIG_CMD_ADC) += adc.o
obj-$(CONFIG_CMD_ARMFLASH) += armflash.o
obj-$(CONFIG_BLK) += blk_common.o
diff --git a/cmd/ab_select.c b/cmd/ab_select.c
deleted file mode 100644
index 7c178c728ca4c8b5bcba02a04eef2d6a7c86afb6..0000000000000000000000000000000000000000
--- a/cmd/ab_select.c
+++ /dev/null
@@ -1,66 +0,0 @@
-// SPDX-License-Identifier: BSD-2-Clause
-/*
- * Copyright (C) 2017 The Android Open Source Project
- */
-
-#include <android_ab.h>
-#include <command.h>
-#include <env.h>
-#include <part.h>
-
-static int do_ab_select(struct cmd_tbl *cmdtp, int flag, int argc,
- char *const argv[])
-{
- int ret;
- struct blk_desc *dev_desc;
- struct disk_partition part_info;
- char slot[2];
- bool dec_tries = true;
-
- if (argc < 4)
- return CMD_RET_USAGE;
-
- for (int i = 4; i < argc; i++) {
- if (strcmp(argv[i], "--no-dec") == 0) {
- dec_tries = false;
- } else {
- return CMD_RET_USAGE;
- }
- }
-
- /* Lookup the "misc" partition from argv[2] and argv[3] */
- if (part_get_info_by_dev_and_name_or_num(argv[2], argv[3],
- &dev_desc, &part_info,
- false) < 0) {
- return CMD_RET_FAILURE;
- }
-
- ret = ab_select_slot(dev_desc, &part_info, dec_tries);
- if (ret < 0) {
- printf("Android boot failed, error %d.\n", ret);
- return CMD_RET_FAILURE;
- }
-
- /* Android standard slot names are 'a', 'b', ... */
- slot[0] = BOOT_SLOT_NAME(ret);
- slot[1] = '\0';
- env_set(argv[1], slot);
- printf("ANDROID: Booting slot: %s\n", slot);
- return CMD_RET_SUCCESS;
-}
-
-U_BOOT_CMD(ab_select, 5, 0, do_ab_select,
- "Select the slot used to boot from and register the boot attempt.",
- "<slot_var_name> <interface> <dev[:part|#part_name]> [--no-dec]\n"
- " - Load the slot metadata from the partition 'part' on\n"
- " device type 'interface' instance 'dev' and store the active\n"
- " slot in the 'slot_var_name' variable. This also updates the\n"
- " Android slot metadata with a boot attempt, which can cause\n"
- " successive calls to this function to return a different result\n"
- " if the returned slot runs out of boot attempts.\n"
- " - If 'part_name' is passed, preceded with a # instead of :, the\n"
- " partition name whose label is 'part_name' will be looked up in\n"
- " the partition table. This is commonly the \"misc\" partition.\n"
- " - If '--no-dec' is set, the number of tries remaining will not\n"
- " decremented for the selected boot slot\n"
-);
diff --git a/cmd/bcb.c b/cmd/bcb.c
index 97a96c009641cc094645607ef833575f3c03fe4b..bf28726da91134fa287ca8aada884ed74ecc8f2b 100644
--- a/cmd/bcb.c
+++ b/cmd/bcb.c
@@ -8,6 +8,7 @@
#include <android_bootloader_message.h>
#include <bcb.h>
#include <command.h>
+#include <android_ab.h>
#include <display_options.h>
#include <log.h>
#include <part.h>
@@ -23,6 +24,9 @@ enum bcb_cmd {
BCB_CMD_FIELD_TEST,
BCB_CMD_FIELD_DUMP,
BCB_CMD_STORE,
+#ifdef CONFIG_ANDROID_AB
+ BCB_CMD_AB_SELECT,
+#endif
};
static const char * const fields[] = {
@@ -52,6 +56,10 @@ static int bcb_cmd_get(char *cmd)
return BCB_CMD_STORE;
if (!strcmp(cmd, "dump"))
return BCB_CMD_FIELD_DUMP;
+#ifdef CONFIG_ANDROID_AB
+ if (!strcmp(cmd, "ab_select"))
+ return BCB_CMD_AB_SELECT;
+#endif
else
return -1;
}
@@ -85,6 +93,12 @@ static int bcb_is_misused(int argc, char *const argv[])
if (argc != 2)
goto err;
break;
+#ifdef CONFIG_ANDROID_AB
+ case BCB_CMD_AB_SELECT:
+ if (argc != 4 && argc != 5)
+ goto err;
+ return 0;
+#endif
default:
printf("Error: 'bcb %s' not supported\n", argv[0]);
return -1;
@@ -414,6 +428,46 @@ void bcb_reset(void)
__bcb_reset();
}
+#ifdef CONFIG_ANDROID_AB
+static int do_bcb_ab_select(struct cmd_tbl *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ int ret;
+ struct blk_desc *dev_desc;
+ struct disk_partition part_info;
+ char slot[2];
+ bool dec_tries = true;
+
+ for (int i = 4; i < argc; i++) {
+ if (strcmp(argv[i], "--no-dec") == 0)
+ dec_tries = false;
+ else
+ return CMD_RET_USAGE;
+ }
+
+ /* Lookup the "misc" partition from argv[2] and argv[3] */
+ if (part_get_info_by_dev_and_name_or_num(argv[2], argv[3],
+ &dev_desc, &part_info,
+ false) < 0) {
+ return CMD_RET_FAILURE;
+ }
+
+ ret = ab_select_slot(dev_desc, &part_info, dec_tries);
+ if (ret < 0) {
+ printf("Android boot failed, error %d.\n", ret);
+ return CMD_RET_FAILURE;
+ }
+
+ /* Android standard slot names are 'a', 'b', ... */
+ slot[0] = BOOT_SLOT_NAME(ret);
+ slot[1] = '\0';
+ env_set(argv[1], slot);
+ printf("ANDROID: Booting slot: %s\n", slot);
+
+ return CMD_RET_SUCCESS;
+}
+#endif
+
static struct cmd_tbl cmd_bcb_sub[] = {
U_BOOT_CMD_MKENT(load, CONFIG_SYS_MAXARGS, 1, do_bcb_load, "", ""),
U_BOOT_CMD_MKENT(set, CONFIG_SYS_MAXARGS, 1, do_bcb_set, "", ""),
@@ -421,6 +475,10 @@ static struct cmd_tbl cmd_bcb_sub[] = {
U_BOOT_CMD_MKENT(test, CONFIG_SYS_MAXARGS, 1, do_bcb_test, "", ""),
U_BOOT_CMD_MKENT(dump, CONFIG_SYS_MAXARGS, 1, do_bcb_dump, "", ""),
U_BOOT_CMD_MKENT(store, CONFIG_SYS_MAXARGS, 1, do_bcb_store, "", ""),
+#ifdef CONFIG_ANDROID_AB
+ U_BOOT_CMD_MKENT(ab_select, CONFIG_SYS_MAXARGS, 1,
+ do_bcb_ab_select, "", ""),
+#endif
};
static int do_bcb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
@@ -460,6 +518,23 @@ U_BOOT_CMD(
"bcb dump <field> - dump BCB <field>\n"
"bcb store - store BCB back to <interface>\n"
"\n"
+#ifdef CONFIG_ANDROID_AB
+ "bcb ab_select -\n"
+ " Select the slot used to boot from and register the boot attempt.\n"
+ " <slot_var_name> <interface> <dev[:part|#part_name]> [--no-dec]\n"
+ " - Load the slot metadata from the partition 'part' on\n"
+ " device type 'interface' instance 'dev' and store the active\n"
+ " slot in the 'slot_var_name' variable. This also updates the\n"
+ " Android slot metadata with a boot attempt, which can cause\n"
+ " successive calls to this function to return a different result\n"
+ " if the returned slot runs out of boot attempts.\n"
+ " - If 'part_name' is passed, preceded with a # instead of :, the\n"
+ " partition name whose label is 'part_name' will be looked up in\n"
+ " the partition table. This is commonly the \"misc\" partition.\n"
+ " - If '--no-dec' is set, the number of tries remaining will not\n"
+ " decremented for the selected boot slot\n"
+ "\n"
+#endif
"Legend:\n"
"<interface> - storage device interface (virtio, mmc, etc)\n"
"<dev> - storage device index containing the BCB partition\n"
diff --git a/configs/am57xx_evm_defconfig b/configs/am57xx_evm_defconfig
index efc154eda043ff3ea08194288e33792ce48282f9..b793f00babe474ea3f15292fb4015a7120401238 100644
--- a/configs/am57xx_evm_defconfig
+++ b/configs/am57xx_evm_defconfig
@@ -48,7 +48,6 @@ CONFIG_CMD_SPL=y
CONFIG_SYS_I2C_EEPROM_ADDR_LEN=2
CONFIG_CMD_BCB=y
# CONFIG_CMD_SETEXPR is not set
-CONFIG_CMD_AB_SELECT=y
CONFIG_BOOTP_DNS2=y
# CONFIG_CMD_PMIC is not set
CONFIG_CMD_AVB=y
diff --git a/configs/am57xx_hs_evm_defconfig b/configs/am57xx_hs_evm_defconfig
index 0f8533e15dbd7c0186a513b27b46a0407b6f79f1..5cacd7f9cc53d338d52120186b16684add93fd21 100644
--- a/configs/am57xx_hs_evm_defconfig
+++ b/configs/am57xx_hs_evm_defconfig
@@ -44,7 +44,6 @@ CONFIG_CMD_ADTIMG=y
CONFIG_CMD_ABOOTIMG=y
CONFIG_SYS_I2C_EEPROM_ADDR_LEN=2
CONFIG_CMD_BCB=y
-CONFIG_CMD_AB_SELECT=y
CONFIG_BOOTP_DNS2=y
# CONFIG_CMD_PMIC is not set
CONFIG_CMD_AVB=y
diff --git a/configs/am57xx_hs_evm_usb_defconfig b/configs/am57xx_hs_evm_usb_defconfig
index 81a938339d5934605cb7defa04ea92f76468b21a..2d8068ecdc79c01c1281ab3873fc892aa4c96be7 100644
--- a/configs/am57xx_hs_evm_usb_defconfig
+++ b/configs/am57xx_hs_evm_usb_defconfig
@@ -46,7 +46,6 @@ CONFIG_CMD_ADTIMG=y
CONFIG_CMD_ABOOTIMG=y
CONFIG_SYS_I2C_EEPROM_ADDR_LEN=2
CONFIG_CMD_BCB=y
-CONFIG_CMD_AB_SELECT=y
CONFIG_BOOTP_DNS2=y
# CONFIG_CMD_PMIC is not set
CONFIG_CMD_AVB=y
diff --git a/configs/khadas-vim3_android_ab_defconfig b/configs/khadas-vim3_android_ab_defconfig
index 510fe4f8928fe39a040a615636fa550b3e0dc5db..de5357c45cbfe4742d9491a29386850570acc235 100644
--- a/configs/khadas-vim3_android_ab_defconfig
+++ b/configs/khadas-vim3_android_ab_defconfig
@@ -47,7 +47,6 @@ CONFIG_CMD_SPI=y
CONFIG_CMD_USB=y
CONFIG_CMD_USB_MASS_STORAGE=y
# CONFIG_CMD_SETEXPR is not set
-CONFIG_CMD_AB_SELECT=y
CONFIG_CMD_REGULATOR=y
CONFIG_CMD_AVB=y
CONFIG_OF_CONTROL=y
diff --git a/configs/khadas-vim3l_android_ab_defconfig b/configs/khadas-vim3l_android_ab_defconfig
index d2da8ff2a69b209b8fb22a48be537bd4dd17a3bb..4d7b90f23002e464d7dc40516bcd3161b0f59439 100644
--- a/configs/khadas-vim3l_android_ab_defconfig
+++ b/configs/khadas-vim3l_android_ab_defconfig
@@ -47,7 +47,6 @@ CONFIG_CMD_SPI=y
CONFIG_CMD_USB=y
CONFIG_CMD_USB_MASS_STORAGE=y
# CONFIG_CMD_SETEXPR is not set
-CONFIG_CMD_AB_SELECT=y
CONFIG_CMD_REGULATOR=y
CONFIG_CMD_AVB=y
CONFIG_OF_CONTROL=y
diff --git a/configs/sandbox64_defconfig b/configs/sandbox64_defconfig
index 1b3b8c6e788cd6845b61e62a06b730da28831edc..b5f80b8572ad32b2a92d4fe82c9068c453c11dfd 100644
--- a/configs/sandbox64_defconfig
+++ b/configs/sandbox64_defconfig
@@ -27,6 +27,7 @@ CONFIG_CONSOLE_RECORD=y
CONFIG_CONSOLE_RECORD_OUT_SIZE=0x6000
CONFIG_PRE_CONSOLE_BUFFER=y
CONFIG_DISPLAY_BOARDINFO_LATE=y
+CONFIG_ANDROID_AB=y
CONFIG_CMD_CPU=y
CONFIG_CMD_LICENSE=y
CONFIG_CMD_BOOTZ=y
@@ -46,6 +47,7 @@ CONFIG_CMD_MD5SUM=y
CONFIG_CMD_MEMINFO=y
CONFIG_CMD_MX_CYCLIC=y
CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_BCB=y
CONFIG_CMD_CLK=y
CONFIG_CMD_DEMO=y
CONFIG_CMD_GPIO=y
diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index f31ecef4f58ee201f93c61cd072d6f688b091c3b..749f53559f708ee52fb7c9c638aedcbcb2f23b72 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -103,7 +103,6 @@ CONFIG_CMD_AXI=y
CONFIG_CMD_CAT=y
CONFIG_CMD_SETEXPR_FMT=y
CONFIG_CMD_XXD=y
-CONFIG_CMD_AB_SELECT=y
CONFIG_CMD_DHCP6=y
CONFIG_BOOTP_DNS2=y
CONFIG_CMD_PCAP=y
diff --git a/doc/android/ab.rst b/doc/android/ab.rst
index 2adf88781d60b61d1b3c74efe976a684b590c813..7fd4aeb6a724b839de9be5e9a8843ade2ad3667e 100644
--- a/doc/android/ab.rst
+++ b/doc/android/ab.rst
@@ -18,7 +18,7 @@ The A/B updates support can be activated by specifying next options in
your board configuration file::
CONFIG_ANDROID_AB=y
- CONFIG_CMD_AB_SELECT=y
+ CONFIG_CMD_BCB=y
The disk space on target device must be partitioned in a way so that each
partition which needs to be updated has two or more instances. The name of
@@ -26,8 +26,8 @@ each instance must be formed by adding suffixes: ``_a``, ``_b``, ``_c``, etc.
For example: ``boot_a``, ``boot_b``, ``system_a``, ``system_b``, ``vendor_a``,
``vendor_b``.
-As a result you can use ``ab_select`` command to ensure A/B boot process in your
-boot script. This command analyzes and processes A/B metadata stored on a
+As a result you can use ``bcb ab_select`` command to ensure A/B boot process in
+your boot script. This command analyzes and processes A/B metadata stored on a
special partition (e.g. ``misc``) and determines which slot should be used for
booting up.
@@ -42,15 +42,15 @@ Command usage
.. code-block:: none
- ab_select <slot_var_name> <interface> <dev[:part_number|#part_name]>
+ bcb ab_select <slot_var_name> <interface> <dev[:part_number|#part_name]>
for example::
- => ab_select slot_name mmc 1:4
+ => bcb ab_select slot_name mmc 1:4
or::
- => ab_select slot_name mmc 1#misc
+ => bcb ab_select slot_name mmc 1#misc
Result::
diff --git a/include/configs/khadas-vim3_android.h b/include/configs/khadas-vim3_android.h
index da6adf6c413add03413f40987959a24ad0d41e62..5468ac5878b34b82a70db84c209bab9f3a9dd79f 100644
--- a/include/configs/khadas-vim3_android.h
+++ b/include/configs/khadas-vim3_android.h
@@ -12,7 +12,7 @@
#define LOGO_UUID "43a3305d-150f-4cc9-bd3b-38fca8693846;"
#define ROOT_UUID "ddb8c3f6-d94d-4394-b633-3134139cc2e0;"
-#if defined(CONFIG_CMD_AB_SELECT)
+#if defined(CONFIG_CMD_BCB) && defined(CONFIG_ANDROID_AB)
#define PARTS_DEFAULT \
"uuid_disk=${uuid_gpt_disk};" \
"name=logo,start=512K,size=2M,uuid=" LOGO_UUID \
diff --git a/include/configs/khadas-vim3l_android.h b/include/configs/khadas-vim3l_android.h
index b1768e2d821176452254fb07f2e3747402b9b4fd..32821b942109feae5ade9f7fd02924bca34cf58b 100644
--- a/include/configs/khadas-vim3l_android.h
+++ b/include/configs/khadas-vim3l_android.h
@@ -12,7 +12,7 @@
#define LOGO_UUID "43a3305d-150f-4cc9-bd3b-38fca8693846;"
#define ROOT_UUID "ddb8c3f6-d94d-4394-b633-3134139cc2e0;"
-#if defined(CONFIG_CMD_AB_SELECT)
+#if defined(CONFIG_CMD_BCB) && defined(CONFIG_ANDROID_AB)
#define PARTS_DEFAULT \
"uuid_disk=${uuid_gpt_disk};" \
"name=logo,start=512K,size=2M,uuid=" LOGO_UUID \
diff --git a/include/configs/meson64_android.h b/include/configs/meson64_android.h
index c0e977abb01fb9efb7a462906a0073c84c800897..cc626dbf02418a49b367c8386797ce6ffc28c85b 100644
--- a/include/configs/meson64_android.h
+++ b/include/configs/meson64_android.h
@@ -47,13 +47,13 @@
#define AVB_VERIFY_CMD ""
#endif
-#if defined(CONFIG_CMD_AB_SELECT)
+#if defined(CONFIG_CMD_BCB) && defined(CONFIG_ANDROID_AB)
#define ANDROIDBOOT_GET_CURRENT_SLOT_CMD "get_current_slot=" \
"if part number mmc ${mmcdev} " CONTROL_PARTITION " control_part_number; " \
"then " \
"echo " CONTROL_PARTITION \
" partition number:${control_part_number};" \
- "ab_select current_slot mmc ${mmcdev}:${control_part_number};" \
+ "bcb ab_select current_slot mmc ${mmcdev}:${control_part_number};" \
"else " \
"echo " CONTROL_PARTITION " partition not found;" \
"fi;\0"
diff --git a/include/configs/ti_omap5_common.h b/include/configs/ti_omap5_common.h
index 26494ae980108ad84eb173a0deaa7b701a5309d4..26b6c1cd188c05371c6455cd6247f07a1773d885 100644
--- a/include/configs/ti_omap5_common.h
+++ b/include/configs/ti_omap5_common.h
@@ -93,13 +93,13 @@
#define CONTROL_PARTITION "misc"
-#if defined(CONFIG_CMD_AB_SELECT)
+#if defined(CONFIG_CMD_BCB) && defined(CONFIG_ANDROID_AB)
#define AB_SELECT_SLOT \
"if part number mmc 1 " CONTROL_PARTITION " control_part_number; " \
"then " \
"echo " CONTROL_PARTITION \
" partition number:${control_part_number};" \
- "ab_select slot_name mmc ${mmcdev}:${control_part_number};" \
+ "bcb ab_select slot_name mmc ${mmcdev}:${control_part_number};" \
"else " \
"echo " CONTROL_PARTITION " partition not found;" \
"exit;" \
diff --git a/test/py/tests/test_android/test_ab.py b/test/py/tests/test_android/test_ab.py
index c79cb07fda35dfeb608ac7345cd3f22744e2e491..0d7b7995a9fab6e3daad748721818b9e4cfac452 100644
--- a/test/py/tests/test_android/test_ab.py
+++ b/test/py/tests/test_android/test_ab.py
@@ -56,20 +56,20 @@ def ab_disk_image(u_boot_console):
@pytest.mark.boardspec('sandbox')
@pytest.mark.buildconfigspec('android_ab')
- at pytest.mark.buildconfigspec('cmd_ab_select')
+ at pytest.mark.buildconfigspec('cmd_bcb')
@pytest.mark.requiredtool('sgdisk')
def test_ab(ab_disk_image, u_boot_console):
- """Test the 'ab_select' command."""
+ """Test the 'bcb ab_select' command."""
u_boot_console.run_command('host bind 0 ' + ab_disk_image.path)
- output = u_boot_console.run_command('ab_select slot_name host 0#misc')
+ output = u_boot_console.run_command('bcb ab_select slot_name host 0#misc')
assert 're-initializing A/B metadata' in output
assert 'Attempting slot a, tries remaining 7' in output
output = u_boot_console.run_command('printenv slot_name')
assert 'slot_name=a' in output
- output = u_boot_console.run_command('ab_select slot_name host 0:1')
+ output = u_boot_console.run_command('bcb ab_select slot_name host 0:1')
assert 'Attempting slot b, tries remaining 7' in output
output = u_boot_console.run_command('printenv slot_name')
assert 'slot_name=b' in output
--
2.43.0
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