[PULL 01/16] hw/sparc/sun4m: Use UnimplementedDevice for I/O devices

[Philippe Mathieu-Daudé]

These devices are not slots on a bus, but real I/O devices
that we do not implement. As the ISDN ROM would be a ROMD
device, also model it as UnimplementedDevice.

Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>
Message-Id: <20200510152840.13558-2-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 hw/sparc/sun4m.c | 11 +++++++----
 hw/sparc/Kconfig |  1 +
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c
index 8dda3f7292..fa3dd7775f 100644
--- a/hw/sparc/sun4m.c
+++ b/hw/sparc/sun4m.c
@@ -47,6 +47,7 @@
 #include "hw/nvram/fw_cfg.h"
 #include "hw/char/escc.h"
 #include "hw/empty_slot.h"
+#include "hw/misc/unimp.h"
 #include "hw/irq.h"
 #include "hw/loader.h"
 #include "elf.h"
@@ -968,7 +969,7 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
     }
 
     if (hwdef->sx_base) {
-        empty_slot_init(hwdef->sx_base, 0x2000);
+        create_unimplemented_device("SUNW,sx", hwdef->sx_base, 0x2000);
     }
 
     nvram = m48t59_init(slavio_irq[0], hwdef->nvram_base, 0, 0x2000, 1968, 8);
@@ -1031,14 +1032,16 @@ static void sun4m_hw_init(const struct sun4m_hwdef 
*hwdef,
     if (hwdef->dbri_base) {
         /* ISDN chip with attached CS4215 audio codec */
         /* prom space */
-        empty_slot_init(hwdef->dbri_base+0x1000, 0x30);
+        create_unimplemented_device("SUNW,DBRI.prom",
+                                    hwdef->dbri_base + 0x1000, 0x30);
         /* reg space */
-        empty_slot_init(hwdef->dbri_base+0x10000, 0x100);
+        create_unimplemented_device("SUNW,DBRI",
+                                    hwdef->dbri_base + 0x10000, 0x100);
     }
 
     if (hwdef->bpp_base) {
         /* parallel port */
-        empty_slot_init(hwdef->bpp_base, 0x20);
+        create_unimplemented_device("SUNW,bpp", hwdef->bpp_base, 0x20);
     }
 
     initrd_size = 0;
diff --git a/hw/sparc/Kconfig b/hw/sparc/Kconfig
index 22aff2f5b7..91805afab6 100644
--- a/hw/sparc/Kconfig
+++ b/hw/sparc/Kconfig
@@ -5,6 +5,7 @@ config SUN4M
     select CS4231
     select ECCMEMCTL
     select EMPTY_SLOT
+    select UNIMP
     select ESCC
     select ESP
     select FDC
-- 
2.21.3