1 files changed, 106 insertions, 0 deletions

diff --git a/firmware/target/hosted/android/kernel-android.c b/firmware/target/hosted/android/kernel-android.c
new file mode 100644
index 0000000000..9594516460
--- /dev/null
+++ b/firmware/target/hosted/android/kernel-android.c
@@ -0,0 +1,106 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (c) 2010 Thomas Martitz
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+
+#include <jni.h>
+#include "config.h"
+#include "system.h"
+
+extern JNIEnv *env_ptr;
+extern jclass  RockboxActivity_class;
+extern jobject RockboxActivity_instance;
+
+static jclass  RockboxTimer_class;
+static jobject RockboxTimer_instance;
+static jmethodID java_wait_for_interrupt;
+static bool    initialized = false;
+
+/*
+ * This is called from the separate Timer java thread. I have not added any
+ * interrupt simulation to it (like the sdl counterpart does),
+ * I think this is probably not needed, unless code calls disable_interrupt()
+ * in order to be protected from tick tasks, but I can't remember a place right
+ * now.
+ *
+ * No synchronisation mechanism either. This could possibly be problematic,
+ * but we'll see :)
+ */
+JNIEXPORT void JNICALL
+Java_org_rockbox_RockboxTimer_timerTask(JNIEnv *env, jobject this)
+{
+    (void)env;
+    (void)this;
+    call_tick_tasks();
+}
+
+void tick_start(unsigned int interval_in_ms)
+{
+    JNIEnv e = *env_ptr;
+    /* first, create a new Timer instance */
+    RockboxTimer_class  = e->FindClass(env_ptr, "org/rockbox/RockboxTimer");
+    jmethodID constructor = e->GetMethodID(env_ptr,
+                                           RockboxTimer_class,
+                                           "<init>",
+                                           "(J)V");
+    /* the constructor will do the tick_start */
+    RockboxTimer_instance = e->NewObject(env_ptr,
+                                         RockboxTimer_class,
+                                         constructor,
+                                         (jlong)interval_in_ms);
+
+    /* get our wfi func also */
+    java_wait_for_interrupt = e->GetMethodID(env_ptr,
+                                             RockboxTimer_class,
+                                             "java_wait_for_interrupt",
+                                             "()V");
+    /* it's now safe to call java_wait_for_interrupt */
+    initialized = true;
+}
+
+void wait_for_interrupt(void)
+{
+    if (LIKELY(initialized))
+    {
+        (*env_ptr)->CallVoidMethod(env_ptr,
+                                   RockboxTimer_instance,
+                                   java_wait_for_interrupt);
+    }
+}
+ 
+bool timer_register(int reg_prio, void (*unregister_callback)(void),
+                    long cycles, void (*timer_callback)(void))
+{
+    (void)reg_prio;
+    (void)unregister_callback;
+    (void)cycles;
+    (void)timer_callback;
+    return false;
+}
+
+bool timer_set_period(long cycles)
+{
+    (void)cycles;
+    return false;
+}
+
+void timer_unregister(void)
+{
+}