4 files changed, 86 insertions, 19 deletions

diff --git a/drivers/char/consolemap.c b/drivers/char/consolemap.c
index 163f3fce3f84..6b104e45a322 100644
--- a/drivers/char/consolemap.c
+++ b/drivers/char/consolemap.c
@@ -669,19 +669,29 @@ 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) 
 {
diff --git a/drivers/char/defkeymap.c_shipped b/drivers/char/defkeymap.c_shipped
index 453a2f1ffa15..0aa419a61767 100644
--- a/drivers/char/defkeymap.c_shipped
+++ b/drivers/char/defkeymap.c_shipped
@@ -222,7 +222,7 @@ char *func_table[MAX_NR_FUNC] = {
         NULL,
 };
 
-struct kbdiacr accent_table[MAX_DIACR] = {
+struct kbdiacruc accent_table[MAX_DIACR] = {
         {'`', 'A', '\300'},     {'`', 'a', '\340'},
         {'\'', 'A', '\301'},    {'\'', 'a', '\341'},
         {'^', 'A', '\302'},     {'^', 'a', '\342'},
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index d95f316afb5a..5ae2a3250c50 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -38,6 +38,7 @@
 #include <linux/kbd_kern.h>
 #include <linux/kbd_diacr.h>
 #include <linux/vt_kern.h>
+#include <linux/consolemap.h>
 #include <linux/sysrq.h>
 #include <linux/input.h>
 #include <linux/reboot.h>
@@ -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)
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index f69a8258095c..6c7384afff13 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -23,6 +23,7 @@
 #include <linux/major.h>
 #include <linux/fs.h>
 #include <linux/console.h>
+#include <linux/consolemap.h>
 #include <linux/signal.h>
 #include <linux/timex.h>
 
@@ -582,10 +583,27 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
         case KDGKBDIACR:
         {
                 struct kbdiacrs __user *a = up;
+                struct kbdiacr diacr;
+                int i;
 
                 if (put_user(accent_table_size, &a->kb_cnt))
                         return -EFAULT;
-                if (copy_to_user(a->kbdiacr, accent_table, accent_table_size*sizeof(struct kbdiacr)))
+                for (i = 0; i < accent_table_size; i++) {
+                        diacr.diacr = conv_uni_to_8bit(accent_table[i].diacr);
+                        diacr.base = conv_uni_to_8bit(accent_table[i].base);
+                        diacr.result = conv_uni_to_8bit(accent_table[i].result);
+                        if (copy_to_user(a->kbdiacr + i, &diacr, sizeof(struct kbdiacr)))
+                                return -EFAULT;
+                }
+                return 0;
+        }
+        case KDGKBDIACRUC:
+        {
+                struct kbdiacrsuc __user *a = up;
+
+                if (put_user(accent_table_size, &a->kb_cnt))
+                        return -EFAULT;
+                if (copy_to_user(a->kbdiacruc, accent_table, accent_table_size*sizeof(struct kbdiacruc)))
                         return -EFAULT;
                 return 0;
         }
@@ -593,6 +611,30 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
         case KDSKBDIACR:
         {
                 struct kbdiacrs __user *a = up;
+                struct kbdiacr diacr;
+                unsigned int ct;
+                int i;
+
+                if (!perm)
+                        return -EPERM;
+                if (get_user(ct,&a->kb_cnt))
+                        return -EFAULT;
+                if (ct >= MAX_DIACR)
+                        return -EINVAL;
+                accent_table_size = ct;
+                for (i = 0; i < ct; i++) {
+                        if (copy_from_user(&diacr, a->kbdiacr + i, sizeof(struct kbdiacr)))
+                                return -EFAULT;
+                        accent_table[i].diacr = conv_8bit_to_uni(diacr.diacr);
+                        accent_table[i].base = conv_8bit_to_uni(diacr.base);
+                        accent_table[i].result = conv_8bit_to_uni(diacr.result);
+                }
+                return 0;
+        }
+
+        case KDSKBDIACRUC:
+        {
+                struct kbdiacrsuc __user *a = up;
                 unsigned int ct;
 
                 if (!perm)
@@ -602,7 +644,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
                 if (ct >= MAX_DIACR)
                         return -EINVAL;
                 accent_table_size = ct;
-                if (copy_from_user(accent_table, a->kbdiacr, ct*sizeof(struct kbdiacr)))
+                if (copy_from_user(accent_table, a->kbdiacruc, ct*sizeof(struct kbdiacruc)))
                         return -EFAULT;
                 return 0;
         }