The first commit

include/2.0L/PR/os_tlb.h

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+
+/*====================================================================
+ * os_tlb.h
+ *
+ * Copyright 1995, Silicon Graphics, Inc.
+ * All Rights Reserved.
+ *
+ * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,
+ * Inc.; the contents of this file may not be disclosed to third
+ * parties, copied or duplicated in any form, in whole or in part,
+ * without the prior written permission of Silicon Graphics, Inc.
+ *
+ * RESTRICTED RIGHTS LEGEND:
+ * Use, duplication or disclosure by the Government is subject to
+ * restrictions as set forth in subdivision (c)(1)(ii) of the Rights
+ * in Technical Data and Computer Software clause at DFARS
+ * 252.227-7013, and/or in similar or successor clauses in the FAR,
+ * DOD or NASA FAR Supplement. Unpublished - rights reserved under the
+ * Copyright Laws of the United States.
+ *====================================================================*/
+
+/*---------------------------------------------------------------------*
+        Copyright (C) 1998 Nintendo. (Originated by SGI)
+        
+        $RCSfile: os_tlb.h,v $
+        $Revision: 1.1 $
+        $Date: 1998/10/09 08:01:20 $
+ *---------------------------------------------------------------------*/
+
+#ifndef _OS_TLB_H_
+#define	_OS_TLB_H_
+
+#ifdef _LANGUAGE_C_PLUS_PLUS
+extern "C" {
+#endif
+
+#include <PR/ultratypes.h>
+
+#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
+
+/**************************************************************************
+ *
+ * Type definitions
+ *
+ */
+
+typedef u32 OSPageMask;
+
+
+#endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */
+
+/**************************************************************************
+ *
+ * Global definitions
+ *
+ */
+
+/*
+ * Page size argument for TLB routines
+ */
+#define OS_PM_4K	0x0000000
+#define OS_PM_16K	0x0006000
+#define OS_PM_64K	0x001e000
+#define OS_PM_256K	0x007e000
+#define OS_PM_1M	0x01fe000
+#define OS_PM_4M	0x07fe000
+#define OS_PM_16M	0x1ffe000
+
+
+#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
+
+/**************************************************************************
+ *
+ * Macro definitions
+ *
+ */
+
+
+/**************************************************************************
+ *
+ * Extern variables
+ *
+ */
+
+
+/**************************************************************************
+ *
+ * Function prototypes
+ *
+ */
+
+/* TLB management routines */
+
+extern void		osMapTLB(s32, OSPageMask, void *, u32, u32, s32);
+extern void		osMapTLBRdb(void);
+extern void		osUnmapTLB(s32);
+extern void		osUnmapTLBAll(void);
+extern void		osSetTLBASID(s32);
+
+
+#endif  /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */
+
+#ifdef _LANGUAGE_C_PLUS_PLUS
+}
+#endif
+
+#endif /* !_OS_TLB_H_ */