diff options
| -rw-r--r-- | drivers/char/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/char/Makefile | 4 | ||||
| -rw-r--r-- | drivers/char/vt.c | 2 | ||||
| -rw-r--r-- | include/linux/consolemap.h | 14 | ||||
| -rw-r--r-- | include/linux/vt_kern.h | 19 |
5 files changed, 44 insertions, 3 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 6c070dc5f2d4..d0ac944e1696 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -36,6 +36,14 @@ config VT If unsure, say Y, or else you won't be able to do much with your new shiny Linux system :-) +config CONSOLE_TRANSLATIONS + depends on VT + default y + bool "Enable character translations in console" if EMBEDDED + ---help--- + This enables support for font mapping and Unicode translation + on virtual consoles. + config VT_CONSOLE bool "Support for console on virtual terminal" if EMBEDDED depends on VT diff --git a/drivers/char/Makefile b/drivers/char/Makefile index f7a0d1a754fc..8a161c30e1dc 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -12,8 +12,8 @@ obj-y += mem.o random.o tty_io.o n_tty.o tty_ioctl.o tty_ldisc.o obj-$(CONFIG_LEGACY_PTYS) += pty.o obj-$(CONFIG_UNIX98_PTYS) += pty.o obj-y += misc.o -obj-$(CONFIG_VT) += vt_ioctl.o vc_screen.o consolemap.o \ - consolemap_deftbl.o selection.o keyboard.o +obj-$(CONFIG_VT) += vt_ioctl.o vc_screen.o selection.o keyboard.o +obj-$(CONFIG_CONSOLE_TRANSLATIONS) += consolemap.o consolemap_deftbl.o obj-$(CONFIG_HW_CONSOLE) += vt.o defkeymap.o obj-$(CONFIG_AUDIT) += tty_audit.o obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o diff --git a/drivers/char/vt.c b/drivers/char/vt.c index cb8c90da3934..82a51f38a546 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -2211,7 +2211,7 @@ rescan_last_byte: c = 0xfffd; tc = c; } else { /* no utf or alternate charset mode */ - tc = vc->vc_translate[vc->vc_toggle_meta ? (c | 0x80) : c]; + tc = vc_translate(vc, c); } param.c = tc; diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h index e2bf7e5db39a..c4811da1338b 100644 --- a/include/linux/consolemap.h +++ b/include/linux/consolemap.h @@ -3,6 +3,9 @@ * * Interface between console.c, selection.c and consolemap.c */ +#ifndef __LINUX_CONSOLEMAP_H__ +#define __LINUX_CONSOLEMAP_H__ + #define LAT1_MAP 0 #define GRAF_MAP 1 #define IBMPC_MAP 2 @@ -10,6 +13,7 @@ #include <linux/types.h> +#ifdef CONFIG_CONSOLE_TRANSLATIONS struct vc_data; extern u16 inverse_translate(struct vc_data *conp, int glyph, int use_unicode); @@ -18,3 +22,13 @@ extern int conv_uni_to_pc(struct vc_data *conp, long ucs); extern u32 conv_8bit_to_uni(unsigned char c); extern int conv_uni_to_8bit(u32 uni); void console_map_init(void); +#else +#define inverse_translate(conp, glyph, uni) ((uint16_t)glyph) +#define set_translate(m, vc) ((unsigned short *)NULL) +#define conv_uni_to_pc(conp, ucs) ((int) (ucs > 0xff ? -1: ucs)) +#define conv_8bit_to_uni(c) ((uint32_t)(c)) +#define conv_uni_to_8bit(c) ((int) ((c) & 0xff)) +#define console_map_init(c) do { ; } while (0) +#endif /* CONFIG_CONSOLE_TRANSLATIONS */ + +#endif /* __LINUX_CONSOLEMAP_H__ */ diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h index 9448ffbdcbf6..14c0e91be9b5 100644 --- a/include/linux/vt_kern.h +++ b/include/linux/vt_kern.h @@ -12,6 +12,7 @@ #include <linux/mutex.h> #include <linux/console_struct.h> #include <linux/mm.h> +#include <linux/consolemap.h> /* * Presently, a lot of graphics programs do not restore the contents of @@ -54,6 +55,7 @@ void redraw_screen(struct vc_data *vc, int is_switch); struct tty_struct; int tioclinux(struct tty_struct *tty, unsigned long arg); +#ifdef CONFIG_CONSOLE_TRANSLATIONS /* consolemap.c */ struct unimapinit; @@ -71,6 +73,23 @@ void con_free_unimap(struct vc_data *vc); void con_protect_unimap(struct vc_data *vc, int rdonly); int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc); +#define vc_translate(vc, c) ((vc)->vc_translate[(c) | \ + (vc)->vc_toggle_meta ? 0x80 : 0]) +#else +#define con_set_trans_old(arg) (0) +#define con_get_trans_old(arg) (-EINVAL) +#define con_set_trans_new(arg) (0) +#define con_get_trans_new(arg) (-EINVAL) +#define con_clear_unimap(vc, ui) (0) +#define con_set_unimap(vc, ct, list) (0) +#define con_set_default_unimap(vc) (0) +#define con_copy_unimap(d, s) (0) +#define con_get_unimap(vc, ct, uct, list) (-EINVAL) +#define con_free_unimap(vc) do { ; } while (0) + +#define vc_translate(vc, c) (c) +#endif + /* vt.c */ int vt_waitactive(int vt); void change_console(struct vc_data *new_vc); |