From 64bde94ecf65b752a15250fb5ff05438502c4fde Mon Sep 17 00:00:00 2001
From: Felix Arends <edx@rockbox.org>
Date: Tue, 25 Jun 2002 21:01:08 +0000
Subject: Finally, again a working version of the win32 simulator. I re-wrote
 the makefile, it is much more compact now.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1191 a1c6a512-1295-4272-9138-f99709370657
---
 uisimulator/win32/kernel.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

(limited to 'uisimulator/win32/kernel.c')

diff --git a/uisimulator/win32/kernel.c b/uisimulator/win32/kernel.c
index 102bb6c82a..3410bc9cc9 100644
--- a/uisimulator/win32/kernel.c
+++ b/uisimulator/win32/kernel.c
@@ -21,6 +21,7 @@
 #include "uisw32.h"
 #include "kernel.h"
 #include "thread-win32.h"
+#include "thread.h"
 
 void sleep(int ticks)
 {
@@ -31,4 +32,49 @@ void sleep(int ticks)
 void yield (void)
 {
     PostThreadMessage (GetWindowThreadProcessId (hGUIWnd,NULL), TM_YIELD, 0, 0);
+}
+
+void queue_init(struct event_queue *q)
+{
+    q->read = 0;
+    q->write = 0;
+}
+
+void queue_wait(struct event_queue *q, struct event *ev)
+{
+    while(q->read == q->write)
+    {
+        switch_thread();
+    }
+
+    *ev = q->events[(q->read++) & QUEUE_LENGTH_MASK];
+}
+
+void queue_post(struct event_queue *q, int id, void *data)
+{
+    int wr;
+    int oldlevel;
+
+    oldlevel = set_irq_level(15);
+    wr = (q->write++) & QUEUE_LENGTH_MASK;
+
+    q->events[wr].id = id;
+    q->events[wr].data = data;
+    set_irq_level(oldlevel);
+}
+
+bool queue_empty(struct event_queue* q)
+{
+    return ( q->read == q->write );
+}
+
+void switch_thread (void)
+{
+    yield ();
+}
+
+int set_irq_level (int level)
+{
+    static int _lv = 0;
+    return (_lv = level);
 }
\ No newline at end of file
-- 
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