- moved mmu to arm/interpreter folder

- added initial VFP code from skyeye

src/core/arm/interpreter/mmu/wb.h

@@ -0,0 +1,63 @@
+#ifndef _MMU_WB_H_
+#define _MMU_WB_H_
+
+typedef struct wb_entry_s
+{
+    ARMword pa;        //phy_addr
+    ARMbyte *data;        //data
+    int nb;            //number byte to write
+} wb_entry_t;
+
+typedef struct wb_s
+{
+    int num;        //number of wb_entry
+    int nb;            //number of byte of each entry
+    int first;        //
+    int last;        //
+    int used;        //
+    wb_entry_t *entrys;
+} wb_s;
+
+typedef struct wb_desc_s
+{
+    int num;
+    int nb;
+} wb_desc_t;
+
+/* wb_init
+ * @wb_t    :wb_t to init
+ * @num        :num of entrys
+ * @nw        :num of word of each entry
+ *
+ * $    -1:error
+ *          0:ok
+ * */
+int mmu_wb_init (wb_s * wb_t, int num, int nb);
+
+
+/* wb_exit
+ * @wb_t :wb_t to exit
+ * */
+void mmu_wb_exit (wb_s * wb);
+
+
+/* wb_write_bytes :put bytess in Write Buffer
+ * @state:    ARMul_State
+ * @wb_t:    write buffer
+ * @pa:        physical address
+ * @data:    data ptr
+ * @n        number of byte to write
+ *
+ * Note: write buffer merge is not implemented, can be done late
+ * */
+void
+mmu_wb_write_bytess (ARMul_State * state, wb_s * wb_t, ARMword pa,
+             ARMbyte * data, int n);
+
+
+/* wb_drain_all
+ * @wb_t wb_t to drain
+ * */
+void mmu_wb_drain_all (ARMul_State * state, wb_s * wb_t);
+
+#endif /*_MMU_WB_H_*/