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add CONFIG_VT_UNICODE

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As of now, the kernel defaults to non-unicode and XLATE for the keyboard.
We've been changing this in Fedora, but that requires patching the defaults
in the kernel.

The attached introduces CONFIG_VT_UNICODE, which sets the console in
unicode mode by default on boot, including both the virtual terminal and
the keyboard driver.

Signed-off-by: Bill Nottingham <notting@redhat.com>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Bill Nottingham 2007-10-16 23:29:38 -07:00 committed by Linus Torvalds
parent 430d275a39
commit 2e8ecb9db0
6 changed files with 27 additions and 5 deletions
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17
drivers/char/Kconfig
View File

@ -36,6 +36,23 @@ config VT
If unsure, say Y, or else you won't be able to do much with your new
shiny Linux system :-)
config VT_UNICODE
bool "Virtual console is Unicode by default"
depends on VT
default n
---help---
If you say Y here, the virtual terminal will be in UTF-8 by default,
and the keyboard will run in unicode mode.
If you say N here, the virtual terminal will not be in UTF-8 by
default, and the keyboard will run in XLATE mode.
This can also be changed by passing 'default_utf8=<0|1>' on the
kernel command line.
Historically, the kernel has defaulted to non-UTF8 and XLATE mode.
If unsure, say N here.
config VT_CONSOLE
bool "Support for console on virtual terminal" if EMBEDDED
depends on VT

2
drivers/char/keyboard.c
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@ -1381,7 +1381,7 @@ int __init kbd_init(void)
kbd_table[i].lockstate = KBD_DEFLOCK;
kbd_table[i].slockstate = 0;
kbd_table[i].modeflags = KBD_DEFMODE;
kbd_table[i].kbdmode = VC_XLATE;
kbd_table[i].kbdmode = default_utf8 ? VC_UNICODE : VC_XLATE;
}
error = input_register_handler(&kbd_handler);

4
drivers/char/sysrq.c
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@ -108,12 +108,12 @@ static void sysrq_handle_unraw(int key, struct tty_struct *tty)
struct kbd_struct *kbd = &kbd_table[fg_console];
if (kbd)
kbd->kbdmode = VC_XLATE;
kbd->kbdmode = default_utf8 ? VC_UNICODE : VC_XLATE;
}
static struct sysrq_key_op sysrq_unraw_op = {
.handler = sysrq_handle_unraw,
.help_msg = "unRaw",
.action_msg = "Keyboard mode set to XLATE",
.action_msg = "Keyboard mode set to system default",
.enable_mask = SYSRQ_ENABLE_KEYBOARD,
};
#else

6
drivers/char/vt.c
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@ -158,7 +158,11 @@ static void blank_screen_t(unsigned long dummy);
static void set_palette(struct vc_data *vc);
static int printable; /* Is console ready for printing? */
static int default_utf8;
#ifdef CONFIG_VT_UNICODE
int default_utf8 = 1;
#else
int default_utf8;
#endif
module_param(default_utf8, int, S_IRUGO | S_IWUSR);
/*

2
drivers/char/vt_ioctl.c
View File

@ -1125,7 +1125,7 @@ int vt_waitactive(int vt)
void reset_vc(struct vc_data *vc)
{
vc->vc_mode = KD_TEXT;
kbd_table[vc->vc_num].kbdmode = VC_XLATE;
kbd_table[vc->vc_num].kbdmode = default_utf8 ? VC_UNICODE : VC_XLATE;
vc->vt_mode.mode = VT_AUTO;
vc->vt_mode.waitv = 0;
vc->vt_mode.relsig = 0;

1
include/linux/vt_kern.h
View File

@ -87,6 +87,7 @@ extern int unbind_con_driver(const struct consw *csw, int first, int last,
extern char con_buf[CON_BUF_SIZE];
extern struct mutex con_buf_mtx;
extern char vt_dont_switch;
extern int default_utf8;
struct vt_spawn_console {
spinlock_t lock;