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It's hard to get more complicated things right in hush. This commit
converts the /env/bin/init script to C code. With this we get a better
error handling and better control what is being done.
If /env/bin/init exists in the environment then it is still executed
instead of the corresponding C code.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When global.autoboot_abort_key is set to ctrl-c then the user is
expected to press ctrl-c to get to the prompt. The user might press
ctrl-c before the init script runs the "timeout" command. In this
case the init script is aborted at arbitrary places which leads to
inconsistent results depending on the place it is aborted.
This patch introduces the global.console.ctrlc_allowed variable.
When this variable is set to false ctrl-c is ignored entirely.
The variable is set to false by default and changed to true in
the init script.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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currently supported only two options: any key and ctrl-c
"any key" is default option.
To configure it, use:
nv autoboot_abort_key=any
or
nv autoboot_abort_key=ctrl-c
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We have global.allow_color, but this is limited to the environment
only. Move creation and handling of this variable to C code so that
we can add support for colored output to commands/console controlled
by the same variable.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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In some cases, the user program can disable the cursor,
for example, Qt4 library do this, so the cursor remains invisible
after the restart.
The patch adds a command to activate the cursor,
by sending DECTECM command to the terminal.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We used to have the login functionality in the /env/bin/init script.
This is hard to review and it's too easy to break the login functionality
with changes to this script. Move the places to ask for a password to
C code where we have only a few places where we have to ask for a password.
Mainly these are run_shell() and the menutree command.
This patch introduces a login() function which will only return if the correct
password has been entered. Following calls will return immediately without
asking for a password again.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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With autoboot_timeout=0 the second 'timeout' might not get another
character even if the user keeps a key pressed. So just reuse the key from
the first call.
Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This moves the variable assignments previously done in /env/config-board
to non volatile variables in /env/nv/. This makes the settings adjustable
by the user without editing a file.
Most of the changes are simple conversions which for many boards makes
/env/config-board unnecessary. Some boards had some logic to assign
global.boot.default based on the current bootsource. This has been
moved to /env/init/bootsource. An additional check is added to not
overwrite a nv.boot.default should it exist.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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