X-Git-Url: http://sraa.de/git/?a=blobdiff_plain;f=dol%2Fsrc%2Fdol%2Fvisitor%2Fcell%2Flib%2Fppu%2FWindowedFifo.h;fp=dol%2Fsrc%2Fdol%2Fvisitor%2Fcell%2Flib%2Fppu%2FWindowedFifo.h;h=2e94c46bbeff315037206fc0a189e4eeab7c5394;hb=8c411cf24ed0eb889191aaeafd8fa1e69081df42;hp=0000000000000000000000000000000000000000;hpb=dea7a4fb1ed110d3ce6e6d9255103d724bd66c0e;p=jump.git

diff --git a/dol/src/dol/visitor/cell/lib/ppu/WindowedFifo.h b/dol/src/dol/visitor/cell/lib/ppu/WindowedFifo.h
new file mode 100644
index 0000000..2e94c46
--- /dev/null
+++ b/dol/src/dol/visitor/cell/lib/ppu/WindowedFifo.h
@@ -0,0 +1,61 @@
+#ifndef _WINDOWEDFIFO_H_
+#define _WINDOWEDFIFO_H_
+
+#include <stdio.h>
+#include <string.h>
+
+#include "../constant.h"
+
+#include "../lib/malloc_align.h"
+#include "../lib/free_align.h"
+
+class WindowedFifo {
+    public:
+        WindowedFifo(unsigned size);
+        virtual ~WindowedFifo();
+
+        // Write
+		virtual unsigned reserve(void** destination, unsigned len);
+        virtual void release();
+
+        // Read
+		virtual unsigned capture(void** destination, unsigned len);
+        virtual void consume();
+
+		// General FIFO functions
+        virtual unsigned used() const;
+        virtual unsigned unused() const;
+        virtual unsigned size() const;
+
+		// DMA functions
+        virtual char *getQueuePointer();
+        virtual void dmaRead(unsigned len);
+        virtual unsigned dmaStart();
+        virtual bool dmaAllowed();
+		virtual unsigned dmaWrite(const void *source, unsigned len);
+
+		// Global variables
+		unsigned _inTail;
+    protected:
+        char *_buffer;
+        
+		unsigned _head;
+        unsigned _tail;
+        unsigned _headRoom;
+        unsigned _tailRoom;
+        
+		unsigned _size;
+        unsigned _use; 
+		
+		unsigned _writeReserve;  
+        unsigned _readReserve; 
+        
+		bool _isHeadReserved;
+        bool _isTailReserved;
+
+		unsigned _blocked;      // Blocked number the request has to wait
+        bool _activeDMA;        // Is there an active DMA on this buffer
+
+};
+
+#endif