vt: make the default cursor shape configurable
For embedded systems, the blinking cursor at startup time can be annoying and unintended. Add a new kernel parameter to change the default cursor shape. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Cc: Daniel Mack <daniel@caiaq.de> Acked-by: Pavel Machek <pavel@ucw.cz> Cc: David Newall <davidn@davidnewall.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Greg Kroah-Hartman <gregkh@suse.de> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -2729,6 +2729,11 @@ and is between 256 and 4096 characters. It is defined in the file
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vmpoff= [KNL,S390] Perform z/VM CP command after power off.
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Format: <command>
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vt.cur_default= [VT] Default cursor shape.
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Format: 0xCCBBAA, where AA, BB, and CC are the same as
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the parameters of the <Esc>[?A;B;Cc escape sequence;
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see VGA-softcursor.txt. Default: 2 = underline.
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vt.default_blu= [VT]
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Format: <blue0>,<blue1>,<blue2>,...,<blue15>
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Change the default blue palette of the console.
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@ -164,6 +164,9 @@ module_param(default_utf8, int, S_IRUGO | S_IWUSR);
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int global_cursor_default = -1;
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module_param(global_cursor_default, int, S_IRUGO | S_IWUSR);
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static int cur_default = CUR_DEFAULT;
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module_param(cur_default, int, S_IRUGO | S_IWUSR);
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/*
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* ignore_poke: don't unblank the screen when things are typed. This is
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* mainly for the privacy of braille terminal users.
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@ -1636,7 +1639,7 @@ static void reset_terminal(struct vc_data *vc, int do_clear)
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/* do not do set_leds here because this causes an endless tasklet loop
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when the keyboard hasn't been initialized yet */
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vc->vc_cursor_type = CUR_DEFAULT;
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vc->vc_cursor_type = cur_default;
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vc->vc_complement_mask = vc->vc_s_complement_mask;
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default_attr(vc);
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@ -1838,7 +1841,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
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if (vc->vc_par[0])
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vc->vc_cursor_type = vc->vc_par[0] | (vc->vc_par[1] << 8) | (vc->vc_par[2] << 16);
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else
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vc->vc_cursor_type = CUR_DEFAULT;
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vc->vc_cursor_type = cur_default;
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return;
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}
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break;
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