Merge remote-tracking branch 'remotes/vivier/tags/q800-for-6.2-pull-request' into staging

Q800 Pull request 20210929

NuBus cleanup and improvement

# gpg: Signature made Wed 29 Sep 2021 10:27:51 BST
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier/tags/q800-for-6.2-pull-request:
  q800: configure nubus available slots for Quadra 800
  q800: wire up nubus IRQs
  nubus: add support for slot IRQs
  nubus-bridge: make slot_available_mask a qdev property
  nubus-bridge: embed the NubusBus object directly within nubus-bridge
  nubus: move NubusBus from mac-nubus-bridge to nubus-bridge
  mac-nubus-bridge: rename MacNubusState to MacNubusBridge
  nubus-bridge: introduce separate NubusBridge structure
  nubus: move nubus to its own 32-bit address space
  nubus-device: add romfile property for loading declaration ROMs
  nubus-device: remove nubus_register_rom() and nubus_register_format_block()
  macfb: don't register declaration ROM
  nubus: generate bus error when attempting to access empty slots
  nubus: add trace-events for empty slot accesses
  nubus: implement BusClass get_dev_path()
  nubus: move slot bitmap checks from NubusDevice realize() to BusClass check_address()
  nubus: use bitmap to manage available slots
  nubus-device: expose separate super slot memory region
  nubus-device: rename slot_nb variable to slot
  nubus: add comment indicating reference documents

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 21 insertions, 2 deletions

diff --git a/hw/nubus/nubus-bridge.c b/hw/nubus/nubus-bridge.c
index cd8c6a91eb..c517a8a704 100644
--- a/hw/nubus/nubus-bridge.c
+++ b/hw/nubus/nubus-bridge.c
@@ -1,5 +1,5 @@
 /*
- * QEMU Macintosh Nubus
+ * QEMU Nubus
  *
  * Copyright (c) 2013-2018 Laurent Vivier <laurent@vivier.eu>
  *
@@ -12,17 +12,36 @@
 #include "hw/sysbus.h"
 #include "hw/nubus/nubus.h"
 
+
+static void nubus_bridge_init(Object *obj)
+{
+    NubusBridge *s = NUBUS_BRIDGE(obj);
+    NubusBus *bus = &s->bus;
+
+    qbus_create_inplace(bus, sizeof(s->bus), TYPE_NUBUS_BUS, DEVICE(s), NULL);
+
+    qdev_init_gpio_out(DEVICE(s), bus->irqs, NUBUS_IRQS);
+}
+
+static Property nubus_bridge_properties[] = {
+    DEFINE_PROP_UINT16("slot-available-mask", NubusBridge,
+                       bus.slot_available_mask, 0xffff),
+    DEFINE_PROP_END_OF_LIST()
+};
+
 static void nubus_bridge_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
 
     dc->fw_name = "nubus";
+    device_class_set_props(dc, nubus_bridge_properties);
 }
 
 static const TypeInfo nubus_bridge_info = {
     .name          = TYPE_NUBUS_BRIDGE,
     .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(SysBusDevice),
+    .instance_init = nubus_bridge_init,
+    .instance_size = sizeof(NubusBridge),
     .class_init    = nubus_bridge_class_init,
 };