From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIXrH-0007wY-J8 for barebox@lists.infradead.org; Wed, 16 Sep 2020 13:52:29 +0000 From: Ahmad Fatoum Date: Wed, 16 Sep 2020 15:50:30 +0200 Message-Id: <20200916135035.7089-6-a.fatoum@pengutronix.de> In-Reply-To: <20200916135035.7089-1-a.fatoum@pengutronix.de> References: <20200916135035.7089-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 05/10] defaultenv: provide defaults for generic reboot modes To: barebox@lists.infradead.org Cc: Ahmad Fatoum While reboot mode magic identifiers can be very board specific, we can settle on common names to allow some generic reboot mode handling: - loader -> drop to bootloader shell on next boot - bootloader -> enable fastboot on next boot - recovery -> display barebox boot menu Boot modes loader and bootloader are admittedly a bit ambiguous, but this nomenclature was chosen, because it's already in use on Android and Rockchip systems. Signed-off-by: Ahmad Fatoum --- Documentation/user/defaultenv-2.rst | 18 ++++++++++++++---- common/Kconfig | 5 +++++ common/startup.c | 16 ++++++++++++++++ defaultenv/Makefile | 1 + .../defaultenv-2-reboot-mode/bmode/bootloader | 3 +++ .../defaultenv-2-reboot-mode/bmode/loader | 2 ++ .../defaultenv-2-reboot-mode/bmode/recovery | 2 ++ defaultenv/defaultenv.c | 2 ++ 8 files changed, 45 insertions(+), 4 deletions(-) create mode 100644 defaultenv/defaultenv-2-reboot-mode/bmode/bootloader create mode 100755 defaultenv/defaultenv-2-reboot-mode/bmode/loader create mode 100644 defaultenv/defaultenv-2-reboot-mode/bmode/recovery diff --git a/Documentation/user/defaultenv-2.rst b/Documentation/user/defaultenv-2.rst index a79ae83d56c3..da766e4edcbc 100644 --- a/Documentation/user/defaultenv-2.rst +++ b/Documentation/user/defaultenv-2.rst @@ -19,10 +19,11 @@ All new boards should use defaultenv-2 exclusively. The default environment is composed from different directories during compilation:: - defaultenv/defaultenv-2-base -> base files - defaultenv/defaultenv-2-dfu -> overlay for DFU - defaultenv/defaultenv-2-menu -> overlay for menus - arch/$ARCH/boards//env -> board specific overlay + defaultenv/defaultenv-2-base -> base files + defaultenv/defaultenv-2-dfu -> overlay for DFU + defaultenv/defaultenv-2-reboot-mode -> overlay for reboot modes + defaultenv/defaultenv-2-menu -> overlay for menus + arch/$ARCH/boards//env -> board specific overlay The content of the above directories is applied one after another. If the same file exists in a later overlay, it will overwrite the preceding one. @@ -37,6 +38,7 @@ and their respective included directories in ``defaultenv/Makefile``: bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW) += defaultenv-2-base bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW_MENU) += defaultenv-2-menu bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW_DFU) += defaultenv-2-dfu + bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW_REBOOT_MODE) += defaultenv-2-reboot-mode bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC) += defaultenv-1 /env/bin/init @@ -138,3 +140,11 @@ there will be a file ``eth0`` with a content like this: # put code to discover eth0 (i.e. 'usb') to /env/network/eth0-discover exit 0 + +/env/bmode/ +----------- + +This contains the files to be sourced when barebox detects that the OS +had requested a specific reboot mode (via e.g. ``reboot bootloader`` +under Linux). After the ``/env/init`` scripts were executed, barebox will +``source /env/bmode/${global.system.reboot_mode.prev}`` if available. diff --git a/common/Kconfig b/common/Kconfig index 4ba58e55d436..a7815d2ab7c8 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -906,6 +906,11 @@ config DEFAULT_ENVIRONMENT_GENERIC_NEW_DFU depends on USB_GADGET_DFU default y +config DEFAULT_ENVIRONMENT_GENERIC_NEW_REBOOT_MODE + bool "Generic reboot-mode handlers in the environment" + depends on DEFAULT_ENVIRONMENT_GENERIC_NEW + depends on REBOOT_MODE + config DEFAULT_ENVIRONMENT_PATH string depends on DEFAULT_ENVIRONMENT diff --git a/common/startup.c b/common/startup.c index 075863d22e88..3a4ac81ffb4c 100644 --- a/common/startup.c +++ b/common/startup.c @@ -38,6 +38,7 @@ #include #include #include +#include #include #include #include @@ -310,6 +311,7 @@ static int run_init(void) DIR *dir; struct dirent *d; const char *initdir = "/env/init"; + const char *bmode; bool env_bin_init_exists; enum autoboot_state autoboot; struct stat s; @@ -350,6 +352,20 @@ static int run_init(void) closedir(dir); } + /* source matching script in /env/bmode/ */ + bmode = reboot_mode_get(); + if (bmode) { + char *scr, *path; + + scr = xasprintf("source /env/bmode/%s", bmode); + path = &scr[strlen("source ")]; + if (stat(path, &s) == 0) { + pr_info("Invoking '%s'...\n", path); + run_command(scr); + } + free(scr); + } + autoboot = do_autoboot_countdown(); console_ctrlc_allow(); diff --git a/defaultenv/Makefile b/defaultenv/Makefile index e030355a4052..91293567c0d3 100644 --- a/defaultenv/Makefile +++ b/defaultenv/Makefile @@ -1,6 +1,7 @@ bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW) += defaultenv-2-base bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW_MENU) += defaultenv-2-menu bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW_DFU) += defaultenv-2-dfu +bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW_REBOOT_MODE) += defaultenv-2-reboot-mode bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC) += defaultenv-1 obj-$(CONFIG_DEFAULT_ENVIRONMENT) += defaultenv.o extra-y += barebox_default_env barebox_default_env.h barebox_default_env$(DEFAULT_COMPRESSION_SUFFIX) barebox_zero_env diff --git a/defaultenv/defaultenv-2-reboot-mode/bmode/bootloader b/defaultenv/defaultenv-2-reboot-mode/bmode/bootloader new file mode 100644 index 000000000000..50a7a0f633ae --- /dev/null +++ b/defaultenv/defaultenv-2-reboot-mode/bmode/bootloader @@ -0,0 +1,3 @@ +# Mode to re-flash partitions +global.autoboot_timeout=30 +global.usbgadget.autostart=1 diff --git a/defaultenv/defaultenv-2-reboot-mode/bmode/loader b/defaultenv/defaultenv-2-reboot-mode/bmode/loader new file mode 100755 index 000000000000..45647dec29a6 --- /dev/null +++ b/defaultenv/defaultenv-2-reboot-mode/bmode/loader @@ -0,0 +1,2 @@ +# Development mode +global.autoboot=abort diff --git a/defaultenv/defaultenv-2-reboot-mode/bmode/recovery b/defaultenv/defaultenv-2-reboot-mode/bmode/recovery new file mode 100644 index 000000000000..0496ba3b0dad --- /dev/null +++ b/defaultenv/defaultenv-2-reboot-mode/bmode/recovery @@ -0,0 +1,2 @@ +# Interactive mode for recovery +global.autoboot=menu diff --git a/defaultenv/defaultenv.c b/defaultenv/defaultenv.c index b773030fe8ce..d69446c8937a 100644 --- a/defaultenv/defaultenv.c +++ b/defaultenv/defaultenv.c @@ -45,6 +45,8 @@ static void defaultenv_add_base(void) defaultenv_append_directory(defaultenv_2_menu); if (IS_ENABLED(CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW_DFU)) defaultenv_append_directory(defaultenv_2_dfu); + if (IS_ENABLED(CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW_REBOOT_MODE)) + defaultenv_append_directory(defaultenv_2_reboot_mode); if (IS_ENABLED(CONFIG_DEFAULT_ENVIRONMENT_GENERIC)) defaultenv_append_directory(defaultenv_1); } -- 2.28.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox