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diff --git a/qemu/roms/openbios/arch/ppc/mmutypes.h b/qemu/roms/openbios/arch/ppc/mmutypes.h
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+++ b/qemu/roms/openbios/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 */