[Xen-changelog] Use ioremap instead of __va to map VGA memory area (to be uncached).

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 2ae003c45ffe0234b1274263b30d8cafd0f5a591
# Parent  c6557cad26707b50e4a0a003032396cbab4190e9
Use ioremap instead of __va to map VGA memory area (to be uncached).

Signed-off-by: Tristan Gingold <tristan.gingold@xxxxxxxx>

diff -r c6557cad2670 -r 2ae003c45ffe xen/drivers/char/console.c
--- a/xen/drivers/char/console.c        Fri Apr 14 13:33:53 2006
+++ b/xen/drivers/char/console.c        Fri Apr 14 13:37:19 2006
@@ -65,11 +65,12 @@
 #define COLUMNS     80
 #define LINES       25
 #define ATTRIBUTE    7
+#define VIDEO_SIZE  (COLUMNS * LINES * 2)
 
 /* Clear the screen and initialize VIDEO, XPOS and YPOS.  */
 static void cls(void)
 {
-    memset(video, 0, COLUMNS * LINES * 2);
+    memset(video, 0, VIDEO_SIZE);
     xpos = ypos = 0;
     outw(10+(1<<(5+8)), 0x3d4); /* cursor off */
 }
@@ -107,9 +108,9 @@
      * 
      * These checks are basically to detect headless server boxes.
      */
-    return (detect_video(__va(0xA0000)) || 
-            detect_video(__va(0xB0000)) || 
-            detect_video(__va(0xB8000)));
+    return (detect_video(ioremap(0xA0000, VIDEO_SIZE)) || 
+            detect_video(ioremap(0xB0000, VIDEO_SIZE)) || 
+            detect_video(ioremap(0xB8000, VIDEO_SIZE)));
 }
 
 /* This is actually code from vgaHWRestore in an old version of XFree86 :-) */
@@ -143,7 +144,7 @@
         return;
     }
 
-    video = __va(0xB8000);
+    video = ioremap(0xB8000, VIDEO_SIZE);
 
     tmp = inb(0x3da);
     outb(0x00, 0x3c0);

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