original files of m241

vxworks-6.9/target/h/aimMmuBaseLib.h

@@ -0,0 +1,71 @@
+/* aimMmuBaseLib.h - Base of the MMU Architecture Independent Manager */
+
+/* Copyright 1984-2004, 2010 Wind River Systems, Inc.  */
+
+/*
+modification history
+--------------------
+01c,29apr10,pad  Moved extern C statement after include statements.
+01b,31aug04,dtr  Add new attribute available for tlb locking.
+01a,07jun04,sru  written
+*/
+
+#ifndef __INCaimMmuBaseLibh
+#define __INCaimMmuBaseLibh
+
+#include "vxWorks.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* typedefs */
+
+/*
+ * MMU_ARCH_LIB_ATTRS is a data structure that is allocated by the AIM
+ * base library.  It is filled in with MMU-specific attributes during
+ * the initialization of the architecture-dependent MMU library.  From
+ * that point forward, the data structure is used by the AIM for its
+ * internal management.
+ */
+
+typedef struct
+    {
+    /* fields filled in by the AD-MMU */
+
+    UINT pageSizeMask;
+    UINT lockSizeMask;
+    UINT contextMin;		/* inclusive */
+    UINT contextMax;		/* inclusive */
+    UINT pteSize;		/* units are bytes */
+    UINT contextTblAlign;
+    UINT regionTblNumEntries;
+    UINT pageTblNumEntries;
+    UINT tlbNumEntries;		/* sum of hardware TLB resources */
+    UINT tlbLockNumEntries;     /* sum of hardware TLB resources available 
+				   for locking */
+    UINT sizeOfRegionTbl;
+    UINT sizeOfPageTbl;
+    UINT sizeOfContextTbl;
+
+    /* fields filled in by the AIM during initialization */
+
+    UINT pageSize;
+    UINT blockSize;
+    UINT regionShift;		/* rightward bitshift to create region idx */
+    UINT regionMask;		/* post-shift mask of region idx */
+    UINT pageShift;		/* rightward bitshift to create page idx */
+    UINT pageMask;		/* post-shift mask of page idx */
+
+    } MMU_ARCH_LIB_ATTRS;
+
+/* externs */
+
+extern STATUS aimMmuBaseLibInit ();
+extern MMU_ARCH_LIB_ATTRS mmuArchLibAttrs;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCaimMmuBaseLibh */