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[Qemu-devel] [PATCH] vga: fix region checks in wraparound case
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PATCH] vga: fix region checks in wraparound case |
Date: |
Mon, 30 Oct 2017 11:28:30 +0100 |
Cc: "Dr. David Alan Gilbert" <address@hidden>
Signed-off-by: Gerd Hoffmann <address@hidden>
---
hw/display/vga.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 1d19f6b..a64a094 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -1666,9 +1666,9 @@ static void vga_draw_graphic(VGACommonState *s, int
full_update)
/* scanline wraps from end of video memory to the start */
assert(force_shadow);
update = memory_region_snapshot_get_dirty(&s->vram, snap,
- page0, 0);
+ page0, s->vbe_size -
page0);
update |= memory_region_snapshot_get_dirty(&s->vram, snap,
- page1, 0);
+ 0, page1);
} else {
update = memory_region_snapshot_get_dirty(&s->vram, snap,
page0, page1 - page0);
--
2.9.3
- [Qemu-devel] [PATCH] vga: fix region checks in wraparound case,
Gerd Hoffmann <=