aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/boot/video.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/boot/video.c')
-rw-r--r--arch/x86/boot/video.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/arch/x86/boot/video.c b/arch/x86/boot/video.c
index bad728b76fc..43eda284d27 100644
--- a/arch/x86/boot/video.c
+++ b/arch/x86/boot/video.c
@@ -27,6 +27,12 @@ static void store_cursor_position(void)
boot_params.screen_info.orig_x = oreg.dl;
boot_params.screen_info.orig_y = oreg.dh;
+
+ if (oreg.ch & 0x20)
+ boot_params.screen_info.flags |= VIDEO_FLAGS_NOCURSOR;
+
+ if ((oreg.ch & 0x1f) > (oreg.cl & 0x1f))
+ boot_params.screen_info.flags |= VIDEO_FLAGS_NOCURSOR;
}
static void store_video_mode(void)
@@ -221,7 +227,6 @@ static unsigned int mode_menu(void)
}
}
-#ifdef CONFIG_VIDEO_RETAIN
/* Save screen content to the heap */
static struct saved_screen {
int x, y;
@@ -293,16 +298,19 @@ static void restore_screen(void)
}
/* Restore cursor position */
+ if (saved.curx >= xs)
+ saved.curx = xs-1;
+ if (saved.cury >= ys)
+ saved.cury = ys-1;
+
initregs(&ireg);
ireg.ah = 0x02; /* Set cursor position */
ireg.dh = saved.cury;
ireg.dl = saved.curx;
intcall(0x10, &ireg, NULL);
+
+ store_cursor_position();
}
-#else
-#define save_screen() ((void)0)
-#define restore_screen() ((void)0)
-#endif
void set_video(void)
{