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From e39ab9b0f4d2cbc9fab10c64c2527908526ea86e Mon Sep 17 00:00:00 2001
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From: Carl Schaefer <schaefer@trilug.org>
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Date: Mon, 23 Jun 2014 18:23:48 +0200
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Subject: [PATCH] vconsole: also copy character maps (not just fonts) from vt1
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 to vt2, vt3, ...
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https://bugs.freedesktop.org/show_bug.cgi?id=78796
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(cherry picked from commit ff452e76e2c0f89a32542b7179bb2fd538335933)
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Resolves: #1002450
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---
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 src/vconsole/vconsole-setup.c | 24 ++++++++++++++++++++++++
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 1 file changed, 24 insertions(+)
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diff --git a/src/vconsole/vconsole-setup.c b/src/vconsole/vconsole-setup.c
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index 1bbf737..7196ddf 100644
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--- a/src/vconsole/vconsole-setup.c
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+++ b/src/vconsole/vconsole-setup.c
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@@ -180,6 +180,10 @@ static int font_load(const char *vc, const char *font, const char *map, const ch
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  */
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 static void font_copy_to_all_vcs(int fd) {
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         struct vt_stat vcs = {};
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+        unsigned char map8[E_TABSZ];
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+        unsigned short map16[E_TABSZ];
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+        struct unimapdesc unimapd;
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+        struct unipair unipairs[USHRT_MAX];
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         int i, r;
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         /* get active, and 16 bit mask of used VT numbers */
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@@ -209,6 +213,26 @@ static void font_copy_to_all_vcs(int fd) {
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                 cfo.op = KD_FONT_OP_COPY;
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                 cfo.height = vcs.v_active-1; /* tty1 == index 0 */
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                 ioctl(vcfd, KDFONTOP, &cfo;;
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+
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+                /* copy map of 8bit chars */
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+                if (ioctl(fd, GIO_SCRNMAP, map8) >= 0)
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+                    ioctl(vcfd, PIO_SCRNMAP, map8);
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+
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+                /* copy map of 8bit chars -> 16bit Unicode values */
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+                if (ioctl(fd, GIO_UNISCRNMAP, map16) >= 0)
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+                    ioctl(vcfd, PIO_UNISCRNMAP, map16);
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+
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+                /* copy unicode translation table */
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+                /* unimapd is a ushort count and a pointer to an
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+                   array of struct unipair { ushort, ushort } */
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+                unimapd.entries  = unipairs;
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+                unimapd.entry_ct = USHRT_MAX;
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+                if (ioctl(fd, GIO_UNIMAP, &unimapd) >= 0) {
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+                        struct unimapinit adv = { 0, 0, 0 };
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+
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+                        ioctl(vcfd, PIO_UNIMAPCLR, &adv);
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+                        ioctl(vcfd, PIO_UNIMAP, &unimapd);
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+                }
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         }
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 }
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