|
 |
a5bd9f6 |
From 105030380129f8c17035ac88980eaa4c151ee521 Mon Sep 17 00:00:00 2001
|
|
|
a5bd9f6 |
From: Andrey Borzenkov <arvidjaar@gmail.com>
|
|
|
a5bd9f6 |
Date: Mon, 8 Apr 2013 19:51:33 +0200
|
|
|
a5bd9f6 |
Subject: [PATCH 272/364] * grub-core/term/i386/pc/console.c: Fix cursor
|
|
|
a5bd9f6 |
moving algorithm.
|
|
|
a5bd9f6 |
|
|
|
a5bd9f6 |
---
|
|
|
a5bd9f6 |
ChangeLog | 4 ++++
|
|
|
a5bd9f6 |
grub-core/term/i386/pc/console.c | 24 +++++++++---------------
|
|
|
a5bd9f6 |
2 files changed, 13 insertions(+), 15 deletions(-)
|
|
|
a5bd9f6 |
|
|
|
a5bd9f6 |
diff --git a/ChangeLog b/ChangeLog
|
|
|
a5bd9f6 |
index 3a241c0..9e08bea 100644
|
|
|
a5bd9f6 |
--- a/ChangeLog
|
|
|
a5bd9f6 |
+++ b/ChangeLog
|
|
|
a5bd9f6 |
@@ -1,3 +1,7 @@
|
|
|
a5bd9f6 |
+2013-04-08 Andrey Borzenkov <arvidjaar@gmail.com>
|
|
|
a5bd9f6 |
+
|
|
|
a5bd9f6 |
+ * grub-core/term/i386/pc/console.c: Fix cursor moving algorithm.
|
|
|
a5bd9f6 |
+
|
|
|
a5bd9f6 |
2013-04-08 Bryan Hundven <bryanhundven@gmail.com>
|
|
|
a5bd9f6 |
|
|
|
a5bd9f6 |
* docs/grub-dev.texi: Move @itemize after @subsection to satisfy
|
|
|
a5bd9f6 |
diff --git a/grub-core/term/i386/pc/console.c b/grub-core/term/i386/pc/console.c
|
|
|
a5bd9f6 |
index ee6650b..358611a 100644
|
|
|
a5bd9f6 |
--- a/grub-core/term/i386/pc/console.c
|
|
|
a5bd9f6 |
+++ b/grub-core/term/i386/pc/console.c
|
|
|
a5bd9f6 |
@@ -86,13 +86,9 @@ grub_console_gotoxy (struct grub_term_output *term __attribute__ ((unused)),
|
|
|
a5bd9f6 |
* Put the character C on the console. Because GRUB wants to write a
|
|
|
a5bd9f6 |
* character with an attribute, this implementation is a bit tricky.
|
|
|
a5bd9f6 |
* If C is a control character (CR, LF, BEL, BS), use INT 10, AH = 0Eh
|
|
|
a5bd9f6 |
- * (TELETYPE OUTPUT). Otherwise, save the original position, put a space,
|
|
|
a5bd9f6 |
- * save the current position, restore the original position, write the
|
|
|
a5bd9f6 |
- * character and the attribute, and restore the current position.
|
|
|
a5bd9f6 |
- *
|
|
|
a5bd9f6 |
- * The reason why this is so complicated is that there is no easy way to
|
|
|
a5bd9f6 |
- * get the height of the screen, and the TELETYPE OUTPUT BIOS call doesn't
|
|
|
a5bd9f6 |
- * support setting a background attribute.
|
|
|
a5bd9f6 |
+ * (TELETYPE OUTPUT). Otherwise, use INT 10, AH = 9 to write character
|
|
|
a5bd9f6 |
+ * with attributes and advance cursor. If we are on the last column,
|
|
|
a5bd9f6 |
+ * let BIOS to wrap line correctly.
|
|
|
a5bd9f6 |
*/
|
|
|
a5bd9f6 |
static void
|
|
|
a5bd9f6 |
grub_console_putchar_real (grub_uint8_t c)
|
|
|
a5bd9f6 |
@@ -112,19 +108,18 @@ grub_console_putchar_real (grub_uint8_t c)
|
|
|
a5bd9f6 |
/* get the current position */
|
|
|
a5bd9f6 |
pos = grub_console_getxy (NULL);
|
|
|
a5bd9f6 |
|
|
|
a5bd9f6 |
+ /* write the character with the attribute */
|
|
|
a5bd9f6 |
+ int10_9 (c, 1);
|
|
|
a5bd9f6 |
+
|
|
|
a5bd9f6 |
/* check the column with the width */
|
|
|
a5bd9f6 |
if ((pos & 0xff00) >= (79 << 8))
|
|
|
a5bd9f6 |
{
|
|
|
a5bd9f6 |
grub_console_putchar_real (0x0d);
|
|
|
a5bd9f6 |
grub_console_putchar_real (0x0a);
|
|
|
a5bd9f6 |
- /* get the current position */
|
|
|
a5bd9f6 |
- pos = grub_console_getxy (NULL);
|
|
|
a5bd9f6 |
}
|
|
|
a5bd9f6 |
+ else
|
|
|
a5bd9f6 |
+ grub_console_gotoxy (NULL, ((pos & 0xff00) >> 8) + 1, (pos & 0xff));
|
|
|
a5bd9f6 |
|
|
|
a5bd9f6 |
- /* write the character with the attribute */
|
|
|
a5bd9f6 |
- int10_9 (c, 1);
|
|
|
a5bd9f6 |
-
|
|
|
a5bd9f6 |
- grub_console_gotoxy (NULL, ((pos & 0xff00) >> 8) + 1, (pos & 0xff));
|
|
|
a5bd9f6 |
}
|
|
|
a5bd9f6 |
|
|
|
a5bd9f6 |
static void
|
|
|
a5bd9f6 |
@@ -255,8 +250,7 @@ grub_console_getkeystatus (struct grub_term_input *term __attribute__ ((unused))
|
|
|
a5bd9f6 |
static grub_uint16_t
|
|
|
a5bd9f6 |
grub_console_getwh (struct grub_term_output *term __attribute__ ((unused)))
|
|
|
a5bd9f6 |
{
|
|
|
a5bd9f6 |
- /* Due to current cursor moving algorithm we lost the last column. */
|
|
|
a5bd9f6 |
- return (79 << 8) | 25;
|
|
|
a5bd9f6 |
+ return (80 << 8) | 25;
|
|
|
a5bd9f6 |
}
|
|
|
a5bd9f6 |
|
|
|
a5bd9f6 |
static void
|
|
|
a5bd9f6 |
--
|
|
|
a5bd9f6 |
1.8.1.4
|
|
|
a5bd9f6 |
|