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kern/term: Make grub_getkeystatus() helper function available everywhere

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Move grub_getkeystatushelper() function from grub-core/commands/keystatus.c
to grub-core/kern/term.c and export it so that it can be used outside of
the keystatus command code too.

There's no logic change in this patch. The function definition is moved so
it can be called from grub-core/kern/term.c in a subsequent patch. It will
be used to determine if a SHIFT key has was held down and use that also to
interrupt the countdown, without the need to press a key at the right time.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Hans de Goede 2020-04-15 12:26:18 +02:00 • committed by Daniel Kiper
parent 30586747f1
commit 5bcdf67642
3 changed files with 19 additions and 18 deletions
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18
grub-core/commands/keystatus.c
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@ -35,24 +35,6 @@ static const struct grub_arg_option options[] =
{0, 0, 0, 0, 0, 0}
};
static int
grub_getkeystatus (void)
{
int status = 0;
grub_term_input_t term;
if (grub_term_poll_usb)
grub_term_poll_usb (0);
FOR_ACTIVE_TERM_INPUTS(term)
{
if (term->getkeystatus)
status |= term->getkeystatus (term);
}
return status;
}
static grub_err_t
grub_cmd_keystatus (grub_extcmd_context_t ctxt,
int argc __attribute__ ((unused)),