1 files changed, 120 insertions, 0 deletions
diff --git a/hw/nubus/nubus-device.c b/hw/nubus/nubus-device.c
new file mode 100644
index 000000000..0f1852f67
--- /dev/null
+++ b/hw/nubus/nubus-device.c
@@ -0,0 +1,120 @@
+/*
+ * QEMU Macintosh Nubus
+ *
+ * Copyright (c) 2013-2018 Laurent Vivier <laurent@vivier.eu>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/datadir.h"
+#include "hw/irq.h"
+#include "hw/loader.h"
+#include "hw/nubus/nubus.h"
+#include "qapi/error.h"
+#include "qemu/error-report.h"
+
+
+void nubus_set_irq(NubusDevice *nd, int level)
+{
+    NubusBus *nubus = NUBUS_BUS(qdev_get_parent_bus(DEVICE(nd)));
+
+    qemu_set_irq(nubus->irqs[nd->slot], level);
+}
+
+static void nubus_device_realize(DeviceState *dev, Error **errp)
+{
+    NubusBus *nubus = NUBUS_BUS(qdev_get_parent_bus(dev));
+    NubusDevice *nd = NUBUS_DEVICE(dev);
+    char *name, *path;
+    hwaddr slot_offset;
+    int64_t size;
+    int ret;
+
+    /* Super */
+    slot_offset = nd->slot * NUBUS_SUPER_SLOT_SIZE;
+
+    name = g_strdup_printf("nubus-super-slot-%x", nd->slot);
+    memory_region_init(&nd->super_slot_mem, OBJECT(dev), name,
+                       NUBUS_SUPER_SLOT_SIZE);
+    memory_region_add_subregion(&nubus->super_slot_io, slot_offset,
+                                &nd->super_slot_mem);
+    g_free(name);
+
+    /* Normal */
+    slot_offset = nd->slot * NUBUS_SLOT_SIZE;
+
+    name = g_strdup_printf("nubus-slot-%x", nd->slot);
+    memory_region_init(&nd->slot_mem, OBJECT(dev), name, NUBUS_SLOT_SIZE);
+    memory_region_add_subregion(&nubus->slot_io, slot_offset,
+                                &nd->slot_mem);
+    g_free(name);
+
+    /* Declaration ROM */
+    if (nd->romfile != NULL) {
+        path = qemu_find_file(QEMU_FILE_TYPE_BIOS, nd->romfile);
+        if (path == NULL) {
+            path = g_strdup(nd->romfile);
+        }
+
+        size = get_image_size(path);
+        if (size < 0) {
+            error_setg(errp, "failed to find romfile \"%s\"", nd->romfile);
+            g_free(path);
+            return;
+        } else if (size == 0) {
+            error_setg(errp, "romfile \"%s\" is empty", nd->romfile);
+            g_free(path);
+            return;
+        } else if (size > NUBUS_DECL_ROM_MAX_SIZE) {
+            error_setg(errp, "romfile \"%s\" too large (maximum size 128K)",
+                       nd->romfile);
+            g_free(path);
+            return;
+        }
+
+        name = g_strdup_printf("nubus-slot-%x-declaration-rom", nd->slot);
+        memory_region_init_rom(&nd->decl_rom, OBJECT(dev), name, size,
+                               &error_abort);
+        ret = load_image_mr(path, &nd->decl_rom);
+        g_free(path);
+        if (ret < 0) {
+            error_setg(errp, "could not load romfile \"%s\"", nd->romfile);
+            return;
+        }
+        memory_region_add_subregion(&nd->slot_mem, NUBUS_SLOT_SIZE - size,
+                                    &nd->decl_rom);
+    }
+}
+
+static Property nubus_device_properties[] = {
+    DEFINE_PROP_INT32("slot", NubusDevice, slot, -1),
+    DEFINE_PROP_STRING("romfile", NubusDevice, romfile),
+    DEFINE_PROP_END_OF_LIST()
+};
+
+static void nubus_device_class_init(ObjectClass *oc, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(oc);
+
+    dc->realize = nubus_device_realize;
+    dc->bus_type = TYPE_NUBUS_BUS;
+    device_class_set_props(dc, nubus_device_properties);
+}
+
+static const TypeInfo nubus_device_type_info = {
+    .name = TYPE_NUBUS_DEVICE,
+    .parent = TYPE_DEVICE,
+    .abstract = true,
+    .instance_size = sizeof(NubusDevice),
+    .class_init = nubus_device_class_init,
+};
+
+static void nubus_register_types(void)
+{
+    type_register_static(&nubus_device_type_info);
+}
+
+type_init(nubus_register_types)