unicode diacritics support

index 9e18ce7..28a5fbc 100644
@@ -346,7 +346,7 @@ char *func_table[MAX_NR_FUNC] = {
 	0,
 };
 
-struct kbdiacr accent_table[MAX_DIACR] = {
+struct kbdiacruc accent_table[MAX_DIACR] = {
 	{'`', 'A', '\300'},	{'`', 'a', '\340'},
 	{'\'', 'A', '\301'},	{'\'', 'a', '\341'},
 	{'^', 'A', '\302'},	{'^', 'a', '\342'},

index 4b3916f..689d820 100644
@@ -670,19 +670,29 @@ void con_protect_unimap(struct vc_data *vc, int rdonly)
 		p->readonly = rdonly;
 }
 
+/*
+ * Always use USER_MAP. These functions are used by the keyboard,
+ * which shouldn't be affected by G0/G1 switching, etc.
+ * If the user map still contains default values, i.e. the
+ * direct-to-font mapping, then assume user is using Latin1.
+ */
 /* may be called during an interrupt */
 u32 conv_8bit_to_uni(unsigned char c)
 {
-	/*
-	 * Always use USER_MAP. This function is used by the keyboard,
-	 * which shouldn't be affected by G0/G1 switching, etc.
-	 * If the user map still contains default values, i.e. the
-	 * direct-to-font mapping, then assume user is using Latin1.
-	 */
 	unsigned short uni = translations[USER_MAP][c];
 	return uni == (0xf000 | c) ? c : uni;
 }
 
+int conv_uni_to_8bit(u32 uni)
+{
+	int c;
+	for (c = 0; c < 0x100; c++)
+		if (translations[USER_MAP][c] == uni ||
+		   (translations[USER_MAP][c] == (c | 0xf000) && uni == c))
+			return c;
+	return -1;
+}
+
 int
 conv_uni_to_pc(struct vc_data *conp, long ucs) 
 {

index 2ce0af1..3bec260 100644
@@ -41,6 +41,7 @@
 #include <linux/sysrq.h>
 #include <linux/input.h>
 #include <linux/reboot.h>
+#include <linux/consolemap.h>
 
 extern void ctrl_alt_del(void);
 

@@ -403,9 +404,12 @@ static unsigned int handle_diacr(struct vc_data *vc, unsigned int ch)
 		return d;
 
 	if (kbd->kbdmode == VC_UNICODE)
-		to_utf8(vc, conv_8bit_to_uni(d));
-	else if (d < 0x100)
-		put_queue(vc, d);
+		to_utf8(vc, d);
+	else {
+		int c = conv_uni_to_8bit(d);
+		if (c != -1)
+			put_queue(vc, c);
+	}
 
 	return ch;
 }

@@ -417,9 +421,12 @@ static void fn_enter(struct vc_data *vc)
 {
 	if (diacr) {
 		if (kbd->kbdmode == VC_UNICODE)
-			to_utf8(vc, conv_8bit_to_uni(diacr));
-		else if (diacr < 0x100)
-			put_queue(vc, diacr);
+			to_utf8(vc, diacr);
+		else {
+			int c = conv_uni_to_8bit(diacr);
+			if (c != -1)
+				put_queue(vc, c);
+		}
 		diacr = 0;
 	}
 	put_queue(vc, 13);

@@ -627,9 +634,12 @@ static void k_unicode(struct vc_data *vc, unsigned int value, char up_flag)
 		return;
 	}
 	if (kbd->kbdmode == VC_UNICODE)
-		to_utf8(vc, conv_8bit_to_uni(value));
-	else if (value < 0x100)
-		put_queue(vc, value);
+		to_utf8(vc, value);
+	else {
+		int c = conv_uni_to_8bit(value);
+		if (c != -1)
+			put_queue(vc, c);
+	}
 }
 
 /*

@@ -646,7 +656,12 @@ static void k_deadunicode(struct vc_data *vc, unsigned int value, char up_flag)
 
 static void k_self(struct vc_data *vc, unsigned char value, char up_flag)
 {
-	k_unicode(vc, value, up_flag);
+	unsigned int uni;
+	if (kbd->kbdmode == VC_UNICODE)
+		uni = value;
+	else
+		uni = conv_8bit_to_uni(value);
+	k_unicode(vc, uni, up_flag);
 }
 
 static void k_dead2(struct vc_data *vc, unsigned char value, char up_flag)

73 lines not on this page · raw message

index 564baca..389346c 100644
@@ -150,7 +150,7 @@ char *func_table[MAX_NR_FUNC] = {
 	NULL,
 };
 
-struct kbdiacr accent_table[MAX_DIACR] = {
+struct kbdiacruc accent_table[MAX_DIACR] = {
 	{'^', 'c', '\003'},	{'^', 'd', '\004'},
 	{'^', 'z', '\032'},	{'^', '\012', '\000'},
 };

114 lines not on this page · raw message

index f7bf45c..5ccfe9c 100644
@@ -25,9 +25,9 @@ struct kbd_data {
 	unsigned short **key_maps;
 	char **func_table;
 	fn_handler_fn **fn_handler;
-	struct kbdiacr *accent_table;
+	struct kbdiacruc *accent_table;
 	unsigned int accent_table_size;
-	unsigned char diacr;
+	unsigned int diacr;
 	unsigned short sysrq;
 };
 

index 06b2768..e2bf7e5 100644
@@ -16,4 +16,5 @@ extern u16 inverse_translate(struct vc_data *conp, int glyph, int use_unicode);
 extern unsigned short *set_translate(int m, struct vc_data *vc);
 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);

index 1c1a3ff..7274ec6 100644
@@ -2,7 +2,7 @@
 #define _DIACR_H
 #include <linux/kd.h>
 
-extern struct kbdiacr accent_table[];
+extern struct kbdiacruc accent_table[];
 extern unsigned int accent_table_size;
 
 #endif /* _DIACR_H */

index 28be4fb..c91fc0c 100644
@@ -125,6 +125,16 @@ struct kbdiacrs {
 #define KDGKBDIACR      0x4B4A  /* read kernel accent table */
 #define KDSKBDIACR      0x4B4B  /* write kernel accent table */
 
+struct kbdiacruc {
+        __u32 diacr, base, result;
+};
+struct kbdiacrsuc {
+        unsigned int kb_cnt;    /* number of entries in following array */
+	struct kbdiacruc kbdiacruc[256];    /* MAX_DIACR from keyboard.h */
+};
+#define KDGKBDIACRUC    0x4BFA  /* read kernel accent table - UCS */
+#define KDSKBDIACRUC    0x4BFB  /* write kernel accent table - UCS */
+
 struct kbkeycode {
 	unsigned int scancode, keycode;
 };