--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/syborg_platform.c	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,136 @@
+/*
+ * Syborg platform device
+ *
+ * Copyright (c) 2008 CodeSourcery
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "hw.h"
+#include "syborg.h"
+#include "devtree.h"
+
+//#define DEBUG_SYBORG_PLATFORM
+
+#ifdef DEBUG_SYBORG_PLATFORM
+#define DPRINTF(fmt, args...) \
+do { printf("syborg_platform: " fmt , ##args); } while (0)
+#define BADF(fmt, args...) \
+do { fprintf(stderr, "syborg_platform: error: " fmt , ##args); exit(1);} while (0)
+#else
+#define DPRINTF(fmt, args...) do {} while(0)
+#define BADF(fmt, args...) \
+do { fprintf(stderr, "syborg_platform: error: " fmt , ##args);} while (0)
+#endif
+
+enum {
+    PLATFORM_ID         = 0,
+    PLATFORM_TREE_START = 1
+};
+
+#define PLATFORM_TREE_OFFSET  0x1000
+
+typedef struct {
+    QEMUDevice *qdev;
+} syborg_platform_state;
+
+static uint32_t syborg_platform_readl(void *opaque, target_phys_addr_t offset)
+{
+    offset &= 0xffffff;
+    if (offset >= PLATFORM_TREE_OFFSET) {
+        offset -= PLATFORM_TREE_OFFSET;
+        if (offset >= machine_devtree_size)
+            return 0;
+        return ldl_p((char *)machine_devtree + offset);
+    }
+    DPRINTF("read 0x%x\n", (int)offset);
+    switch(offset >> 2) {
+    case PLATFORM_ID:
+        return SYBORG_ID_PLATFORM;
+    case PLATFORM_TREE_START:
+        return PLATFORM_TREE_OFFSET;
+    default:
+        cpu_abort(cpu_single_env, "syborg_platform_read: Bad offset %x\n",
+                  (int)offset);
+        return 0;  
+    }
+}
+
+static uint32_t syborg_platform_readw(void *opaque, target_phys_addr_t offset)
+{
+    offset &= 0xffffff;
+    if (offset >= PLATFORM_TREE_OFFSET) {
+        offset -= PLATFORM_TREE_OFFSET;
+        if (offset >= machine_devtree_size)
+            return 0;
+        return lduw_p((char *)machine_devtree + offset);
+    }
+    cpu_abort(cpu_single_env, "syborg_platform_readw: Bad offset %x\n",
+              (int)offset);
+}
+
+static uint32_t syborg_platform_readb(void *opaque, target_phys_addr_t offset)
+{
+    offset &= 0xffffff;
+    if (offset >= PLATFORM_TREE_OFFSET) {
+        offset -= PLATFORM_TREE_OFFSET;
+        if (offset >= machine_devtree_size)
+            return 0;
+        return ldub_p((char *)machine_devtree + offset);
+    }
+    cpu_abort(cpu_single_env, "syborg_platform_readb: Bad offset %x\n",
+              (int)offset);
+}
+
+static void syborg_platform_write(void *opaque, target_phys_addr_t offset,
+                                  uint32_t value)
+{
+    offset &= 0xffffff;
+    cpu_abort(cpu_single_env, "syborg_platform_write: Bad offset %x\n",
+              (int)offset);
+}
+
+static CPUReadMemoryFunc *syborg_platform_readfn[] = {
+     syborg_platform_readb,
+     syborg_platform_readw,
+     syborg_platform_readl
+};
+
+static CPUWriteMemoryFunc *syborg_platform_writefn[] = {
+     syborg_platform_write,
+     syborg_platform_write,
+     syborg_platform_write
+};
+
+static void syborg_platform_create(QEMUDevice *dev)
+{
+    syborg_platform_state *s;
+    s = (syborg_platform_state *)qemu_mallocz(sizeof(syborg_platform_state));
+    s->qdev = dev;
+    qdev_set_opaque(dev, s);
+    /* Device has no state, so savevm not needed.  */
+}
+
+void syborg_platform_register(void)
+{
+    QEMUDeviceClass *dc;
+    dc = qdev_new("syborg,platform", syborg_platform_create, 0);
+    qdev_add_registers(dc, syborg_platform_readfn, syborg_platform_writefn,
+                       0x1000000);
+}