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init: add charge mode handling

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Introduces a 'charger' section that is processed when androidboot.mode
supplied on the kernel commandline is "charger".

In this mode, sections such as fs, post-fs, etc are skipped. Only the
'early-init' and 'init' sections of the init rc files are processed before
processing the 'charger' section.

Change-Id: If9eb6334de18f04cbcf2aab784578e2993615242
Signed-off-by: Dima Zavin <dima@android.com>
This commit is contained in:
Dima Zavin 2011-08-24 15:28:23 -07:00
parent da04c52ab1
commit ca47cef749
2 changed files with 18 additions and 8 deletions
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23
init/init.c
View file

@ -744,20 +744,27 @@ int main(int argc, char **argv)
queue_builtin_action(console_init_action, "console_init");
queue_builtin_action(set_init_properties_action, "set_init_properties");
/* execute all the boot actions to get us started */
/* execute all the boot actions to get us started */
action_for_each_trigger("init", action_add_queue_tail);
action_for_each_trigger("early-fs", action_add_queue_tail);
action_for_each_trigger("fs", action_add_queue_tail);
action_for_each_trigger("post-fs", action_add_queue_tail);
action_for_each_trigger("post-fs-data", action_add_queue_tail);
/* skip mounting filesystems in charger mode */
if (strcmp(bootmode, "charger") != 0) {
action_for_each_trigger("early-fs", action_add_queue_tail);
action_for_each_trigger("fs", action_add_queue_tail);
action_for_each_trigger("post-fs", action_add_queue_tail);
action_for_each_trigger("post-fs-data", action_add_queue_tail);
}
queue_builtin_action(property_service_init_action, "property_service_init");
queue_builtin_action(signal_init_action, "signal_init");
queue_builtin_action(check_startup_action, "check_startup");
/* execute all the boot actions to get us started */
action_for_each_trigger("early-boot", action_add_queue_tail);
action_for_each_trigger("boot", action_add_queue_tail);
if (!strcmp(bootmode, "charger")) {
action_for_each_trigger("charger", action_add_queue_tail);
} else {
action_for_each_trigger("early-boot", action_add_queue_tail);
action_for_each_trigger("boot", action_add_queue_tail);
}
/* run all property triggers based on current state of the properties */
queue_builtin_action(queue_property_triggers_action, "queue_propety_triggers");

3
rootdir/init.rc
View file

@ -263,6 +263,9 @@ on boot
on nonencrypted
class_start late_start
on charger
class_start charger
on property:vold.decrypt=trigger_reset_main
class_reset main