From 41d83615beba984cc40b141373fa61f9fd1273e4 Mon Sep 17 00:00:00 2001
From: Carl Schaefer <schaefer@trilug.org>
Date: Mon, 23 Jun 2014 18:23:48 +0200
Subject: [PATCH] vconsole: also copy character maps (not just fonts) from vt1
 to vt2, vt3, ...

https://bugs.freedesktop.org/show_bug.cgi?id=78796
(cherry picked from commit ff452e76e2c0f89a32542b7179bb2fd538335933)
---
 src/vconsole/vconsole-setup.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/vconsole/vconsole-setup.c b/src/vconsole/vconsole-setup.c
index 0f2b7066..e0c40506 100644
--- a/src/vconsole/vconsole-setup.c
+++ b/src/vconsole/vconsole-setup.c
@@ -180,6 +180,10 @@ static int font_load(const char *vc, const char *font, const char *map, const ch
  */
 static void font_copy_to_all_vcs(int fd) {
         struct vt_stat vcs = {};
+        unsigned char map8[E_TABSZ];
+        unsigned short map16[E_TABSZ];
+        struct unimapdesc unimapd;
+        struct unipair unipairs[USHRT_MAX];
         int i, r;
 
         /* get active, and 16 bit mask of used VT numbers */
@@ -209,6 +213,26 @@ static void font_copy_to_all_vcs(int fd) {
                 cfo.op = KD_FONT_OP_COPY;
                 cfo.height = vcs.v_active-1; /* tty1 == index 0 */
                 ioctl(vcfd, KDFONTOP, &cfo);
+
+                /* copy map of 8bit chars */
+                if (ioctl(fd, GIO_SCRNMAP, map8) >= 0)
+                    ioctl(vcfd, PIO_SCRNMAP, map8);
+
+                /* copy map of 8bit chars -> 16bit Unicode values */
+                if (ioctl(fd, GIO_UNISCRNMAP, map16) >= 0)
+                    ioctl(vcfd, PIO_UNISCRNMAP, map16);
+
+                /* copy unicode translation table */
+                /* unimapd is a ushort count and a pointer to an
+                   array of struct unipair { ushort, ushort } */
+                unimapd.entries  = unipairs;
+                unimapd.entry_ct = USHRT_MAX;
+                if (ioctl(fd, GIO_UNIMAP, &unimapd) >= 0) {
+                        struct unimapinit adv = { 0, 0, 0 };
+
+                        ioctl(vcfd, PIO_UNIMAPCLR, &adv);
+                        ioctl(vcfd, PIO_UNIMAP, &unimapd);
+                }
         }
 }