diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2017-10-30 11:28:30 +0100 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2017-11-10 11:26:55 +0100 |
| commit | 115788d7a70e9ae255511ca00fc69cce06967472 (patch) | |
| tree | f954dfc486aef59e29c5a67b10c946d021a9d7de /hw/display/vga.c | |
| parent | c53f5b89f19b3051384d202dd750d23fb38f0994 (diff) | |
| download | qemu-115788d7a70e9ae255511ca00fc69cce06967472.zip qemu-115788d7a70e9ae255511ca00fc69cce06967472.tar.gz qemu-115788d7a70e9ae255511ca00fc69cce06967472.tar.bz2 | |
vga: fix region checks in wraparound case
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: 20171030102830.4469-1-kraxel@redhat.com
Diffstat (limited to 'hw/display/vga.c')
| -rw-r--r-- | hw/display/vga.c | 4 |
1 files 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); |