treewide: bcb: move ab_select command to bcb subcommands
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@salutedevices.com> Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> Tested-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> # vim3_android Link: https://lore.kernel.org/r/20241017-android_ab_master-v5-3-43bfcc096d95@salutedevices.com Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
This commit is contained in:

committed by
Mattijs Korpershoek

parent
a8ca7d46ea
commit
b523b4d2c3
@@ -65,7 +65,6 @@ R: Sam Protsenko <semen.protsenko@linaro.org>
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S: Maintained
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S: Maintained
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T: git https://source.denx.de/u-boot/custodians/u-boot-dfu.git
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T: git https://source.denx.de/u-boot/custodians/u-boot-dfu.git
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F: boot/android_ab.c
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F: boot/android_ab.c
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F: cmd/ab_select.c
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F: doc/android/ab.rst
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F: doc/android/ab.rst
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F: include/android_ab.h
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F: include/android_ab.h
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F: test/py/tests/test_android/test_ab.py
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F: test/py/tests/test_android/test_ab.py
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14
cmd/Kconfig
14
cmd/Kconfig
@@ -1782,20 +1782,6 @@ config CMD_XXD
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endmenu
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endmenu
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menu "Android support commands"
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config CMD_AB_SELECT
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bool "ab_select"
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depends on ANDROID_AB
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help
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On Android devices with more than one boot slot (multiple copies of
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the kernel and system images) this provides a command to select which
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slot should be used to boot from and register the boot attempt. This
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is used by the new A/B update model where one slot is updated in the
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background while running from the other slot.
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endmenu
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if NET || NET_LWIP
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if NET || NET_LWIP
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menuconfig CMD_NET
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menuconfig CMD_NET
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@@ -17,7 +17,6 @@ obj-$(CONFIG_CMD_2048) += 2048.o
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obj-$(CONFIG_CMD_ACPI) += acpi.o
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obj-$(CONFIG_CMD_ACPI) += acpi.o
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obj-$(CONFIG_CMD_ADDRMAP) += addrmap.o
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obj-$(CONFIG_CMD_ADDRMAP) += addrmap.o
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obj-$(CONFIG_CMD_AES) += aes.o
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obj-$(CONFIG_CMD_AES) += aes.o
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obj-$(CONFIG_CMD_AB_SELECT) += ab_select.o
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obj-$(CONFIG_CMD_ADC) += adc.o
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obj-$(CONFIG_CMD_ADC) += adc.o
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obj-$(CONFIG_CMD_ARMFLASH) += armflash.o
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obj-$(CONFIG_CMD_ARMFLASH) += armflash.o
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obj-$(CONFIG_BLK) += blk_common.o
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obj-$(CONFIG_BLK) += blk_common.o
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@@ -1,66 +0,0 @@
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// SPDX-License-Identifier: BSD-2-Clause
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/*
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* Copyright (C) 2017 The Android Open Source Project
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*/
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#include <android_ab.h>
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#include <command.h>
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#include <env.h>
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#include <part.h>
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static int do_ab_select(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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int ret;
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struct blk_desc *dev_desc;
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struct disk_partition part_info;
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char slot[2];
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bool dec_tries = true;
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if (argc < 4)
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return CMD_RET_USAGE;
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for (int i = 4; i < argc; i++) {
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if (strcmp(argv[i], "--no-dec") == 0) {
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dec_tries = false;
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} else {
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return CMD_RET_USAGE;
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}
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}
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/* Lookup the "misc" partition from argv[2] and argv[3] */
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if (part_get_info_by_dev_and_name_or_num(argv[2], argv[3],
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&dev_desc, &part_info,
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false) < 0) {
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return CMD_RET_FAILURE;
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}
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ret = ab_select_slot(dev_desc, &part_info, dec_tries);
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if (ret < 0) {
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printf("Android boot failed, error %d.\n", ret);
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return CMD_RET_FAILURE;
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}
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/* Android standard slot names are 'a', 'b', ... */
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slot[0] = BOOT_SLOT_NAME(ret);
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slot[1] = '\0';
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env_set(argv[1], slot);
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printf("ANDROID: Booting slot: %s\n", slot);
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return CMD_RET_SUCCESS;
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}
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U_BOOT_CMD(ab_select, 5, 0, do_ab_select,
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"Select the slot used to boot from and register the boot attempt.",
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"<slot_var_name> <interface> <dev[:part|#part_name]> [--no-dec]\n"
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" - Load the slot metadata from the partition 'part' on\n"
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" device type 'interface' instance 'dev' and store the active\n"
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" slot in the 'slot_var_name' variable. This also updates the\n"
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" Android slot metadata with a boot attempt, which can cause\n"
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" successive calls to this function to return a different result\n"
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" if the returned slot runs out of boot attempts.\n"
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" - If 'part_name' is passed, preceded with a # instead of :, the\n"
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" partition name whose label is 'part_name' will be looked up in\n"
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" the partition table. This is commonly the \"misc\" partition.\n"
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" - If '--no-dec' is set, the number of tries remaining will not\n"
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" decremented for the selected boot slot\n"
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);
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63
cmd/bcb.c
63
cmd/bcb.c
@@ -8,6 +8,7 @@
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#include <android_bootloader_message.h>
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#include <android_bootloader_message.h>
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#include <bcb.h>
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#include <bcb.h>
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#include <command.h>
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#include <command.h>
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#include <android_ab.h>
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#include <display_options.h>
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#include <display_options.h>
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#include <log.h>
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#include <log.h>
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#include <part.h>
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#include <part.h>
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@@ -376,6 +377,48 @@ void bcb_reset(void)
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__bcb_reset();
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__bcb_reset();
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}
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}
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__maybe_unused static int do_bcb_ab_select(struct cmd_tbl *cmdtp,
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int flag, int argc,
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char * const argv[])
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{
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int ret;
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struct blk_desc *dev_desc;
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struct disk_partition part_info;
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char slot[2];
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bool dec_tries = true;
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if (argc < 4)
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return CMD_RET_USAGE;
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for (int i = 4; i < argc; i++) {
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if (strcmp(argv[i], "--no-dec") == 0)
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dec_tries = false;
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else
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return CMD_RET_USAGE;
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}
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/* Lookup the "misc" partition from argv[2] and argv[3] */
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if (part_get_info_by_dev_and_name_or_num(argv[2], argv[3],
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&dev_desc, &part_info,
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false) < 0) {
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return CMD_RET_FAILURE;
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}
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ret = ab_select_slot(dev_desc, &part_info, dec_tries);
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if (ret < 0) {
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printf("Android boot failed, error %d.\n", ret);
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return CMD_RET_FAILURE;
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}
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/* Android standard slot names are 'a', 'b', ... */
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slot[0] = BOOT_SLOT_NAME(ret);
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slot[1] = '\0';
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env_set(argv[1], slot);
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printf("ANDROID: Booting slot: %s\n", slot);
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return CMD_RET_SUCCESS;
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}
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U_BOOT_LONGHELP(bcb,
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U_BOOT_LONGHELP(bcb,
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"load <interface> <dev> <part> - load BCB from <interface> <dev>:<part>\n"
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"load <interface> <dev> <part> - load BCB from <interface> <dev>:<part>\n"
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"load <dev> <part> - load BCB from mmc <dev>:<part>\n"
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"load <dev> <part> - load BCB from mmc <dev>:<part>\n"
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@@ -385,6 +428,23 @@ U_BOOT_LONGHELP(bcb,
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"bcb dump <field> - dump BCB <field>\n"
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"bcb dump <field> - dump BCB <field>\n"
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"bcb store - store BCB back to <interface>\n"
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"bcb store - store BCB back to <interface>\n"
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"\n"
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"\n"
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#if IS_ENABLED(CONFIG_ANDROID_AB)
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"bcb ab_select -\n"
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" Select the slot used to boot from and register the boot attempt.\n"
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" <slot_var_name> <interface> <dev[:part|#part_name]> [--no-dec]\n"
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" - Load the slot metadata from the partition 'part' on\n"
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" device type 'interface' instance 'dev' and store the active\n"
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" slot in the 'slot_var_name' variable. This also updates the\n"
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" Android slot metadata with a boot attempt, which can cause\n"
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" successive calls to this function to return a different result\n"
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" if the returned slot runs out of boot attempts.\n"
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" - If 'part_name' is passed, preceded with a # instead of :, the\n"
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" partition name whose label is 'part_name' will be looked up in\n"
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" the partition table. This is commonly the \"misc\" partition.\n"
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" - If '--no-dec' is set, the number of tries remaining will not\n"
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" decremented for the selected boot slot\n"
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"\n"
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#endif
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"Legend:\n"
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"Legend:\n"
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"<interface> - storage device interface (virtio, mmc, etc)\n"
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"<interface> - storage device interface (virtio, mmc, etc)\n"
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"<dev> - storage device index containing the BCB partition\n"
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"<dev> - storage device index containing the BCB partition\n"
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@@ -406,4 +466,7 @@ U_BOOT_CMD_WITH_SUBCMDS(bcb,
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U_BOOT_SUBCMD_MKENT(test, 4, 1, do_bcb_test),
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U_BOOT_SUBCMD_MKENT(test, 4, 1, do_bcb_test),
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U_BOOT_SUBCMD_MKENT(dump, 2, 1, do_bcb_dump),
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U_BOOT_SUBCMD_MKENT(dump, 2, 1, do_bcb_dump),
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U_BOOT_SUBCMD_MKENT(store, 1, 1, do_bcb_store),
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U_BOOT_SUBCMD_MKENT(store, 1, 1, do_bcb_store),
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#if IS_ENABLED(CONFIG_ANDROID_AB)
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U_BOOT_SUBCMD_MKENT(ab_select, 5, 1, do_bcb_ab_select),
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#endif
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);
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);
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@@ -48,7 +48,6 @@ CONFIG_CMD_SPL=y
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CONFIG_SYS_I2C_EEPROM_ADDR_LEN=2
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CONFIG_SYS_I2C_EEPROM_ADDR_LEN=2
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CONFIG_CMD_BCB=y
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CONFIG_CMD_BCB=y
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# CONFIG_CMD_SETEXPR is not set
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# CONFIG_CMD_SETEXPR is not set
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CONFIG_CMD_AB_SELECT=y
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CONFIG_BOOTP_DNS2=y
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CONFIG_BOOTP_DNS2=y
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# CONFIG_CMD_PMIC is not set
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# CONFIG_CMD_PMIC is not set
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CONFIG_CMD_AVB=y
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CONFIG_CMD_AVB=y
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@@ -44,7 +44,6 @@ CONFIG_CMD_ADTIMG=y
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CONFIG_CMD_ABOOTIMG=y
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CONFIG_CMD_ABOOTIMG=y
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CONFIG_SYS_I2C_EEPROM_ADDR_LEN=2
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CONFIG_SYS_I2C_EEPROM_ADDR_LEN=2
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CONFIG_CMD_BCB=y
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CONFIG_CMD_BCB=y
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CONFIG_CMD_AB_SELECT=y
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CONFIG_BOOTP_DNS2=y
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CONFIG_BOOTP_DNS2=y
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# CONFIG_CMD_PMIC is not set
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# CONFIG_CMD_PMIC is not set
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CONFIG_CMD_AVB=y
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CONFIG_CMD_AVB=y
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@@ -46,7 +46,6 @@ CONFIG_CMD_ADTIMG=y
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CONFIG_CMD_ABOOTIMG=y
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CONFIG_CMD_ABOOTIMG=y
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CONFIG_SYS_I2C_EEPROM_ADDR_LEN=2
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CONFIG_SYS_I2C_EEPROM_ADDR_LEN=2
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CONFIG_CMD_BCB=y
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CONFIG_CMD_BCB=y
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CONFIG_CMD_AB_SELECT=y
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CONFIG_BOOTP_DNS2=y
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CONFIG_BOOTP_DNS2=y
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# CONFIG_CMD_PMIC is not set
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# CONFIG_CMD_PMIC is not set
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CONFIG_CMD_AVB=y
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CONFIG_CMD_AVB=y
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@@ -47,7 +47,6 @@ CONFIG_CMD_SPI=y
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CONFIG_CMD_USB=y
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CONFIG_CMD_USB=y
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CONFIG_CMD_USB_MASS_STORAGE=y
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CONFIG_CMD_USB_MASS_STORAGE=y
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# CONFIG_CMD_SETEXPR is not set
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# CONFIG_CMD_SETEXPR is not set
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CONFIG_CMD_AB_SELECT=y
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CONFIG_CMD_REGULATOR=y
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CONFIG_CMD_REGULATOR=y
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CONFIG_CMD_AVB=y
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CONFIG_CMD_AVB=y
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CONFIG_OF_CONTROL=y
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CONFIG_OF_CONTROL=y
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@@ -47,7 +47,6 @@ CONFIG_CMD_SPI=y
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CONFIG_CMD_USB=y
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CONFIG_CMD_USB=y
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CONFIG_CMD_USB_MASS_STORAGE=y
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CONFIG_CMD_USB_MASS_STORAGE=y
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# CONFIG_CMD_SETEXPR is not set
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# CONFIG_CMD_SETEXPR is not set
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CONFIG_CMD_AB_SELECT=y
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CONFIG_CMD_REGULATOR=y
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CONFIG_CMD_REGULATOR=y
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CONFIG_CMD_AVB=y
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CONFIG_CMD_AVB=y
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CONFIG_OF_CONTROL=y
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CONFIG_OF_CONTROL=y
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@@ -27,6 +27,7 @@ CONFIG_CONSOLE_RECORD=y
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CONFIG_CONSOLE_RECORD_OUT_SIZE=0x6000
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CONFIG_CONSOLE_RECORD_OUT_SIZE=0x6000
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CONFIG_PRE_CONSOLE_BUFFER=y
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CONFIG_PRE_CONSOLE_BUFFER=y
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CONFIG_DISPLAY_BOARDINFO_LATE=y
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CONFIG_DISPLAY_BOARDINFO_LATE=y
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CONFIG_ANDROID_AB=y
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CONFIG_CMD_CPU=y
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CONFIG_CMD_CPU=y
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CONFIG_CMD_LICENSE=y
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CONFIG_CMD_LICENSE=y
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CONFIG_CMD_BOOTZ=y
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CONFIG_CMD_BOOTZ=y
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@@ -46,6 +47,7 @@ CONFIG_CMD_MD5SUM=y
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CONFIG_CMD_MEMINFO=y
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CONFIG_CMD_MEMINFO=y
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CONFIG_CMD_MX_CYCLIC=y
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CONFIG_CMD_MX_CYCLIC=y
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CONFIG_CMD_MEMTEST=y
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CONFIG_CMD_MEMTEST=y
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CONFIG_CMD_BCB=y
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CONFIG_CMD_CLK=y
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CONFIG_CMD_CLK=y
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CONFIG_CMD_DEMO=y
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CONFIG_CMD_DEMO=y
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CONFIG_CMD_GPIO=y
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CONFIG_CMD_GPIO=y
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@@ -103,7 +103,6 @@ CONFIG_CMD_AXI=y
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CONFIG_CMD_CAT=y
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CONFIG_CMD_CAT=y
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CONFIG_CMD_SETEXPR_FMT=y
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CONFIG_CMD_SETEXPR_FMT=y
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CONFIG_CMD_XXD=y
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CONFIG_CMD_XXD=y
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CONFIG_CMD_AB_SELECT=y
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CONFIG_CMD_DHCP6=y
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CONFIG_CMD_DHCP6=y
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CONFIG_BOOTP_DNS2=y
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CONFIG_BOOTP_DNS2=y
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CONFIG_CMD_PCAP=y
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CONFIG_CMD_PCAP=y
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@@ -18,7 +18,7 @@ The A/B updates support can be activated by specifying next options in
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your board configuration file::
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your board configuration file::
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CONFIG_ANDROID_AB=y
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CONFIG_ANDROID_AB=y
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CONFIG_CMD_AB_SELECT=y
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CONFIG_CMD_BCB=y
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The disk space on target device must be partitioned in a way so that each
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The disk space on target device must be partitioned in a way so that each
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partition which needs to be updated has two or more instances. The name of
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partition which needs to be updated has two or more instances. The name of
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@@ -26,8 +26,8 @@ each instance must be formed by adding suffixes: ``_a``, ``_b``, ``_c``, etc.
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For example: ``boot_a``, ``boot_b``, ``system_a``, ``system_b``, ``vendor_a``,
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For example: ``boot_a``, ``boot_b``, ``system_a``, ``system_b``, ``vendor_a``,
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``vendor_b``.
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``vendor_b``.
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As a result you can use ``ab_select`` command to ensure A/B boot process in your
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As a result you can use ``bcb ab_select`` command to ensure A/B boot process in
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boot script. This command analyzes and processes A/B metadata stored on a
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your boot script. This command analyzes and processes A/B metadata stored on a
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special partition (e.g. ``misc``) and determines which slot should be used for
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special partition (e.g. ``misc``) and determines which slot should be used for
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booting up.
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booting up.
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@@ -42,15 +42,15 @@ Command usage
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.. code-block:: none
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.. code-block:: none
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ab_select <slot_var_name> <interface> <dev[:part_number|#part_name]>
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bcb ab_select <slot_var_name> <interface> <dev[:part_number|#part_name]>
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for example::
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for example::
|
||||||
|
|
||||||
=> ab_select slot_name mmc 1:4
|
=> bcb ab_select slot_name mmc 1:4
|
||||||
|
|
||||||
or::
|
or::
|
||||||
|
|
||||||
=> ab_select slot_name mmc 1#misc
|
=> bcb ab_select slot_name mmc 1#misc
|
||||||
|
|
||||||
Result::
|
Result::
|
||||||
|
|
||||||
|
@@ -12,7 +12,7 @@
|
|||||||
#define LOGO_UUID "43a3305d-150f-4cc9-bd3b-38fca8693846;"
|
#define LOGO_UUID "43a3305d-150f-4cc9-bd3b-38fca8693846;"
|
||||||
#define ROOT_UUID "ddb8c3f6-d94d-4394-b633-3134139cc2e0;"
|
#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 \
|
#define PARTS_DEFAULT \
|
||||||
"uuid_disk=${uuid_gpt_disk};" \
|
"uuid_disk=${uuid_gpt_disk};" \
|
||||||
"name=logo,start=512K,size=2M,uuid=" LOGO_UUID \
|
"name=logo,start=512K,size=2M,uuid=" LOGO_UUID \
|
||||||
|
@@ -12,7 +12,7 @@
|
|||||||
#define LOGO_UUID "43a3305d-150f-4cc9-bd3b-38fca8693846;"
|
#define LOGO_UUID "43a3305d-150f-4cc9-bd3b-38fca8693846;"
|
||||||
#define ROOT_UUID "ddb8c3f6-d94d-4394-b633-3134139cc2e0;"
|
#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 \
|
#define PARTS_DEFAULT \
|
||||||
"uuid_disk=${uuid_gpt_disk};" \
|
"uuid_disk=${uuid_gpt_disk};" \
|
||||||
"name=logo,start=512K,size=2M,uuid=" LOGO_UUID \
|
"name=logo,start=512K,size=2M,uuid=" LOGO_UUID \
|
||||||
|
@@ -47,13 +47,13 @@
|
|||||||
#define AVB_VERIFY_CMD ""
|
#define AVB_VERIFY_CMD ""
|
||||||
#endif
|
#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=" \
|
#define ANDROIDBOOT_GET_CURRENT_SLOT_CMD "get_current_slot=" \
|
||||||
"if part number mmc ${mmcdev} " CONTROL_PARTITION " control_part_number; " \
|
"if part number mmc ${mmcdev} " CONTROL_PARTITION " control_part_number; " \
|
||||||
"then " \
|
"then " \
|
||||||
"echo " CONTROL_PARTITION \
|
"echo " CONTROL_PARTITION \
|
||||||
" partition number:${control_part_number};" \
|
" 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 " \
|
"else " \
|
||||||
"echo " CONTROL_PARTITION " partition not found;" \
|
"echo " CONTROL_PARTITION " partition not found;" \
|
||||||
"fi;\0"
|
"fi;\0"
|
||||||
|
@@ -93,13 +93,13 @@
|
|||||||
|
|
||||||
#define CONTROL_PARTITION "misc"
|
#define CONTROL_PARTITION "misc"
|
||||||
|
|
||||||
#if defined(CONFIG_CMD_AB_SELECT)
|
#if defined(CONFIG_CMD_BCB) && defined(CONFIG_ANDROID_AB)
|
||||||
#define AB_SELECT_SLOT \
|
#define AB_SELECT_SLOT \
|
||||||
"if part number mmc 1 " CONTROL_PARTITION " control_part_number; " \
|
"if part number mmc 1 " CONTROL_PARTITION " control_part_number; " \
|
||||||
"then " \
|
"then " \
|
||||||
"echo " CONTROL_PARTITION \
|
"echo " CONTROL_PARTITION \
|
||||||
" partition number:${control_part_number};" \
|
" partition number:${control_part_number};" \
|
||||||
"ab_select slot_name mmc ${mmcdev}:${control_part_number};" \
|
"bcb ab_select slot_name mmc ${mmcdev}:${control_part_number};" \
|
||||||
"else " \
|
"else " \
|
||||||
"echo " CONTROL_PARTITION " partition not found;" \
|
"echo " CONTROL_PARTITION " partition not found;" \
|
||||||
"exit;" \
|
"exit;" \
|
||||||
|
@@ -56,20 +56,20 @@ def ab_disk_image(u_boot_console):
|
|||||||
|
|
||||||
@pytest.mark.boardspec('sandbox')
|
@pytest.mark.boardspec('sandbox')
|
||||||
@pytest.mark.buildconfigspec('android_ab')
|
@pytest.mark.buildconfigspec('android_ab')
|
||||||
@pytest.mark.buildconfigspec('cmd_ab_select')
|
@pytest.mark.buildconfigspec('cmd_bcb')
|
||||||
@pytest.mark.requiredtool('sgdisk')
|
@pytest.mark.requiredtool('sgdisk')
|
||||||
def test_ab(ab_disk_image, u_boot_console):
|
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)
|
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 're-initializing A/B metadata' in output
|
||||||
assert 'Attempting slot a, tries remaining 7' in output
|
assert 'Attempting slot a, tries remaining 7' in output
|
||||||
output = u_boot_console.run_command('printenv slot_name')
|
output = u_boot_console.run_command('printenv slot_name')
|
||||||
assert 'slot_name=a' in output
|
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
|
assert 'Attempting slot b, tries remaining 7' in output
|
||||||
output = u_boot_console.run_command('printenv slot_name')
|
output = u_boot_console.run_command('printenv slot_name')
|
||||||
assert 'slot_name=b' in output
|
assert 'slot_name=b' in output
|
||||||
|
Reference in New Issue
Block a user