initial import of openbios--main--1.0--patch-26

git-svn-id: svn://coreboot.org/openbios/openbios-devel@1 f158a5a8-5612-0410-a976-696ce0be7e32
2024-02-13 08:34:06 +08:00 · 2006-04-26 15:08:19 +00:00
commit 5c9eb9b45b
522 changed files with 83237 additions and 0 deletions
--- a/arch/ppc/mmutypes.h
+++ b/arch/ppc/mmutypes.h
@@ -0,0 +1,76 @@
+/* 
+ *   Creation Date: <2002/01/13 13:53:14 samuel>
+ *   Time-stamp: <2002/01/27 19:56:11 samuel>
+ *   
+ *	<mmutypes.h>
+ *	
+ *	MMU definitions
+ *   
+ *   Most of these declarations originate from the Linux Kernel
+ *
+ *   Copyright (C) 2002 Samuel Rydh (samuel@ibrium.se)
+ *   
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation
+ *   
+ */
+
+#ifndef _H_MMUTYPES
+#define _H_MMUTYPES
+
+/* Hardware Page Table Entry */
+typedef struct mPTE {
+	unsigned long v:1;	/* Entry is valid */
+	unsigned long vsid:24;	/* Virtual segment identifier */
+	unsigned long h:1;	/* Hash algorithm indicator */
+	unsigned long api:6;	/* Abbreviated page index */
+
+	unsigned long rpn:20;	/* Real (physical) page number */
+	unsigned long    :3;	/* Unused */
+	unsigned long r:1;	/* Referenced */
+	unsigned long c:1;	/* Changed */
+	unsigned long w:1;	/* Write-thru cache mode */
+	unsigned long i:1;	/* Cache inhibited */
+	unsigned long m:1;	/* Memory coherence */
+	unsigned long g:1;	/* Guarded */
+	unsigned long  :1;	/* Unused */
+	unsigned long pp:2;	/* Page protection */
+} mPTE_t;
+
+
+typedef struct _mBATU {		/* Upper part of BAT (all except 601) */
+        unsigned long bepi:15;	/* Effective page index (virtual address) */
+        unsigned long :4;	/* Unused */
+        unsigned long bl:11;	/* Block size mask */
+        unsigned long vs:1;	/* Supervisor valid */
+        unsigned long vp:1;	/* User valid */
+} mBATU;
+
+typedef struct _mBATL {		/* Lower part of BAT (all except 601) */
+        unsigned long brpn:15;	/* Real page index (physical address) */
+        unsigned long :10;	/* Unused */
+        unsigned long w:1;	/* Write-thru cache */
+        unsigned long i:1;	/* Cache inhibit */
+        unsigned long m:1;	/* Memory coherence */
+        unsigned long g:1;	/* Guarded (MBZ in IBAT) */
+        unsigned long :1;	/* Unused */
+        unsigned long pp:2;	/* Page access protections */
+} mBATL;
+
+typedef struct _mBAT {
+        mBATU batu;		/* Upper register */
+        mBATL batl;		/* Lower register */
+} mBAT;
+
+typedef struct _mSEGREG {
+        unsigned long t:1;      /* Normal or I/O  type */
+        unsigned long ks:1;     /* Supervisor 'key' (normally 0) */
+        unsigned long kp:1;     /* User 'key' (normally 1) */
+        unsigned long n:1;      /* No-execute */
+        unsigned long :4;       /* Unused */
+        unsigned long vsid:24;  /* Virtual Segment Identifier */
+} mSEGREG;
+
+
+#endif   /* _H_MMUTYPES */