[coreboot] r3576 - trunk/payloads/libpayload/drivers/video
svn at coreboot.org
svn at coreboot.org
Thu Sep 11 19:44:45 CEST 2008
Author: oxygene
Date: 2008-09-11 19:44:45 +0200 (Thu, 11 Sep 2008)
New Revision: 3576
Modified:
trunk/payloads/libpayload/drivers/video/video.c
Log:
makes cursorx and cursory signed, as there
are several "if (cursorx < 0)" tests.
I also added another one, to make backspace
wrap backwards into the previous line, if necessary.
Signed-off-by: Patrick Georgi <patrick.georgi at coresystems.de>
Acked-by: Jordan Crouse <jordan.crouse at amd.com>
Modified: trunk/payloads/libpayload/drivers/video/video.c
===================================================================
--- trunk/payloads/libpayload/drivers/video/video.c 2008-09-11 17:29:00 UTC (rev 3575)
+++ trunk/payloads/libpayload/drivers/video/video.c 2008-09-11 17:44:45 UTC (rev 3576)
@@ -51,8 +51,8 @@
static struct video_console *console;
-static unsigned int cursorx;
-static unsigned int cursory;
+static int cursorx;
+static int cursory;
static unsigned int cursor_enabled = 1;
static void video_console_fixup_cursor(void)
@@ -122,6 +122,10 @@
case '\b':
cursorx--;
+ if (cursorx < 0) {
+ cursory--;
+ cursorx = VIDEO_COLS;
+ }
break;
case '\t':
@@ -172,7 +176,7 @@
console = console_list[i];
if (console->get_cursor)
- console->get_cursor(&cursorx, &cursory, &cursor_enabled);
+ console->get_cursor((unsigned int*)&cursorx, (unsigned int*)&cursory, &cursor_enabled);
if (cursorx) {
cursorx = 0;
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