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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2014-07-07 10:28:39 +1000
committerGerd Hoffmann <kraxel@redhat.com>2014-12-16 15:14:42 +0100
commitb9fd11b86779b1fe7fe2881c6e312a028e20e67c (patch)
tree5e4d75819c7e0afe8bd05b7e8b71a5e72f3fd5d3 /hw/display
parent5508099397c480f1c3b4f14b0e64593ebe284b26 (diff)
downloadqemu-b9fd11b86779b1fe7fe2881c6e312a028e20e67c.tar.gz
cirrus: Force use of shadow pixmap when HW cursor is enabled
The HW cursor cannot be painted on a shared surface. This fixes HW cursor display in Windows NT 4.0 and Windows 98. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/display')
-rw-r--r--hw/display/cirrus_vga.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/hw/display/cirrus_vga.c b/hw/display/cirrus_vga.c
index 27252646bc..686b06205c 100644
--- a/hw/display/cirrus_vga.c
+++ b/hw/display/cirrus_vga.c
@@ -1351,7 +1351,6 @@ static void cirrus_vga_write_sr(CirrusVGAState * s, uint32_t val)
case 0x0d: // VCLK 2
case 0x0e: // VCLK 3
case 0x0f: // DRAM Control
- case 0x12: // Graphics Cursor Attribute
case 0x13: // Graphics Cursor Pattern Address
case 0x14: // Scratch Register 2
case 0x15: // Scratch Register 3
@@ -1370,6 +1369,14 @@ static void cirrus_vga_write_sr(CirrusVGAState * s, uint32_t val)
s->vga.sr_index, val);
#endif
break;
+ case 0x12: // Graphics Cursor Attribute
+ s->vga.sr[0x12] = val;
+ s->vga.force_shadow = !!(val & CIRRUS_CURSOR_SHOW);
+#ifdef DEBUG_CIRRUS
+ printf("cirrus: cursor ctl SR12=%02x (force shadow: %d)\n",
+ val, s->vga.force_shadow);
+#endif
+ break;
case 0x17: // Configuration Readback and Extended Control
s->vga.sr[s->vga.sr_index] = (s->vga.sr[s->vga.sr_index] & 0x38)
| (val & 0xc7);