stdvga: fix offset in pci_vga_ioport_read

Simliar to pci_vga_ioport_write.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

diff --git a/hw/display/vga-pci.c b/hw/display/vga-pci.c
index ff5dfb2..93c8b5d 100644 (file)
--- a/hw/display/vga-pci.c
+++ b/hw/display/vga-pci.c
@@ -81,11 +81,11 @@ static uint64_t pci_vga_ioport_read(void *ptr, hwaddr addr,
 
     switch (size) {
     case 1:
-        ret = vga_ioport_read(&d->vga, addr);
+        ret = vga_ioport_read(&d->vga, addr + 0x3c0);
         break;
     case 2:
-        ret  = vga_ioport_read(&d->vga, addr);
-        ret |= vga_ioport_read(&d->vga, addr+1) << 8;
+        ret  = vga_ioport_read(&d->vga, addr + 0x3c0);
+        ret |= vga_ioport_read(&d->vga, addr + 0x3c1) << 8;
         break;
     }
     return ret;