pc87312: Replace register_ioport_*() with MemoryRegion

Prepare an instance_init function for the MemoryRegion init.

Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Tested-by: Hervé Poussineau <hpoussin@reactos.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/hw/pc87312.h b/hw/pc87312.h
index 7ca7912..7b9e6f6 100644
--- a/hw/pc87312.h
+++ b/hw/pc87312.h
@@ -56,6 +56,8 @@ typedef struct PC87312State {
         uint32_t base;
     } ide;
 
+    MemoryRegion io;
+
     uint8_t read_id_step;
     uint8_t selected_index;