Hi Dmitry, Thank you for the patch.
On jeu., oct. 17, 2024 at 17:12, Dmitry Rokosov <[email protected]> wrote: > 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 <[email protected]> Reviewed-by: Mattijs Korpershoek <[email protected]> > --- > MAINTAINERS | 1 - > cmd/Kconfig | 14 ------- > cmd/Makefile | 1 - > cmd/ab_select.c | 66 > ------------------------------- > cmd/bcb.c | 63 +++++++++++++++++++++++++++++ > 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, 81 insertions(+), 104 deletions(-) > > diff --git a/MAINTAINERS b/MAINTAINERS > index > 7c6c368285e729dee11bb116cd7dd30d369b1a87..e0c6a6b4b43774258ce1e20100e4a2f01cbeaab0 > 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -65,7 +65,6 @@ R: Sam Protsenko <[email protected]> > 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 > 8c677b1e4864164d985914ea6ac4a65c6caee099..82b5852d47c1057ca9d5f13d078e428bb4a3b539 > 100644 > --- a/cmd/Kconfig > +++ b/cmd/Kconfig > @@ -1775,20 +1775,6 @@ 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 || NET_LWIP > > menuconfig CMD_NET > diff --git a/cmd/Makefile b/cmd/Makefile > index > f30914053721d7e8ac17c828aef4d379cf3ecdb5..d1bb9d0e57d80855dd2da8af0cb510dbad65933e > 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 > 98b2a71087a27b1721f4bed4160095d65ec75402..2854408e5669b0d7d2a06073fa81158b21834b99 > 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> > @@ -376,6 +377,48 @@ void bcb_reset(void) > __bcb_reset(); > } > > +__maybe_unused 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; > + > + 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_LONGHELP(bcb, > "load <interface> <dev> <part> - load BCB from <interface> > <dev>:<part>\n" > "load <dev> <part> - load BCB from mmc <dev>:<part>\n" > @@ -385,6 +428,23 @@ U_BOOT_LONGHELP(bcb, > "bcb dump <field> - dump BCB <field>\n" > "bcb store - store BCB back to <interface>\n" > "\n" > +#if IS_ENABLED(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" > @@ -406,4 +466,7 @@ U_BOOT_CMD_WITH_SUBCMDS(bcb, > U_BOOT_SUBCMD_MKENT(test, 4, 1, do_bcb_test), > U_BOOT_SUBCMD_MKENT(dump, 2, 1, do_bcb_dump), > U_BOOT_SUBCMD_MKENT(store, 1, 1, do_bcb_store), > +#if IS_ENABLED(CONFIG_ANDROID_AB) > + U_BOOT_SUBCMD_MKENT(ab_select, 5, 1, do_bcb_ab_select), > +#endif > ); > 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 > f596f1cc55a45ade4862122a6944d109c6c29238..d111858082d5a8ed3725c95462b2c81a406b57d2 > 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 > b76e049f09cc014837981e914a3792c829f42cdc..fc89efb4c36e5216a1344bb2d758300eec3c8f44 > 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=${uuid_gpt_disk};" \ > "name=logo,start=512K,size=2M,uuid=" LOGO_UUID \ > diff --git a/include/configs/khadas-vim3l_android.h > b/include/configs/khadas-vim3l_android.h > index > 0ab8ffd372a4ae44804fca41c11ee930aaa72460..5b2aed1cf62af213f0ea6688fde6d07267aa4f55 > 100644 > --- a/include/configs/khadas-vim3l_android.h > +++ b/include/configs/khadas-vim3l_android.h > @@ -12,7 +12,7 @@ > #define LOGO_UUID "43a3305d-150f-4cc9-bd3b-38fca8693846;" > #define ROOT_UUID "ddb8c3f6-d94d-4394-b633-3134139cc2e0;" > > -#if defined(CONFIG_CMD_AB_SELECT) > +#if defined(CONFIG_CMD_BCB) && defined(CONFIG_ANDROID_AB) > #define PARTS_DEFAULT \ > "uuid_disk=${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 > fa520265800ccf081862bc97643b6a8e28b13327..77364bbf9cf0d1b68d413773902ea9d18b720928 > 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') > [email protected]('cmd_ab_select') > [email protected]('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

