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authorSteve Murphree <smurph@cvs.openbsd.org>2001-06-26 21:58:11 +0000
committerSteve Murphree <smurph@cvs.openbsd.org>2001-06-26 21:58:11 +0000
commit416f561c78b0eca90fdb484e72a96080b0825dca (patch)
treed310db0254b85229b90b9d90e79cabfbbcb6101a /sys/arch/mvmeppc/include/pte.h
parent77682e0d8d22531ed2952aaab30aae7c69483b3d (diff)
Initial import of mvmeppc.
Diffstat (limited to 'sys/arch/mvmeppc/include/pte.h')
-rw-r--r--sys/arch/mvmeppc/include/pte.h113
1 files changed, 113 insertions, 0 deletions
diff --git a/sys/arch/mvmeppc/include/pte.h b/sys/arch/mvmeppc/include/pte.h
new file mode 100644
index 00000000000..43becb6d73d
--- /dev/null
+++ b/sys/arch/mvmeppc/include/pte.h
@@ -0,0 +1,113 @@
+/* $OpenBSD: pte.h,v 1.1 2001/06/26 21:57:48 smurph Exp $ */
+/* $NetBSD: pte.h,v 1.1 1996/09/30 16:34:32 ws Exp $ */
+
+/*-
+ * Copyright (C) 1995, 1996 Wolfgang Solfrank.
+ * Copyright (C) 1995, 1996 TooLs GmbH.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by TooLs GmbH.
+ * 4. The name of TooLs GmbH may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _MACHINE_PTE_H_
+#define _MACHINE_PTE_H_
+
+#include <sys/queue.h>
+
+/*
+ * Page Table Entries
+ */
+#ifndef _LOCORE
+struct pte {
+ u_int pte_hi;
+ u_int pte_lo;
+};
+#endif /* _LOCORE */
+/* High word: */
+#define PTE_VALID 0x80000000
+#define PTE_VSID_SHFT 7
+#define PTE_HID 0x00000040
+#define PTE_API 0x0000003f
+/* Low word: */
+#define PTE_RPGN 0xfffff000
+#define PTE_REF 0x00000100
+#define PTE_CHG 0x00000080
+#define PTE_WIMG 0x00000078
+#define PTE_W 0x00000040
+#define PTE_I 0x00000020
+#define PTE_M 0x00000010
+#define PTE_G 0x00000008
+#define PTE_PP 0x00000003
+#define PTE_RO 0x00000003
+#define PTE_RW 0x00000002
+
+#ifndef _LOCORE
+typedef struct pte pte_t;
+#endif /* _LOCORE */
+
+/*
+ * Extract bits from address
+ */
+#define ADDR_SR_SHFT 28
+#define ADDR_PIDX 0x0ffff000
+#define ADDR_PIDX_SHFT 12
+#define ADDR_API_SHFT 22
+#define ADDR_POFF 0x00000fff
+
+#ifndef _LOCORE
+#ifdef _KERNEL
+extern pte_t *ptable;
+extern int ptab_cnt;
+#endif /* _KERNEL */
+#endif /* _LOCORE */
+
+/*
+ * Bits in DSISR:
+ */
+#define DSISR_DIRECT 0x80000000
+#define DSISR_NOTFOUND 0x40000000
+#define DSISR_PROTECT 0x08000000
+#define DSISR_INVRX 0x04000000
+#define DSISR_STORE 0x02000000
+#define DSISR_DABR 0x00400000
+#define DSISR_SEGMENT 0x00200000
+#define DSISR_EAR 0x00100000
+
+/*
+ * Bits in SRR1 on ISI:
+ */
+#define ISSRR1_NOTFOUND 0x40000000
+#define ISSRR1_DIRECT 0x10000000
+#define ISSRR1_PROTECT 0x08000000
+#define ISSRR1_SEGMENT 0x00200000
+
+#ifdef _KERNEL
+#ifndef _LOCORE
+extern u_int dsisr __P((void));
+extern vm_offset_t dar __P((void));
+#endif /* _KERNEL */
+#endif /* _LOCORE */
+#endif /* _MACHINE_PTE_H_ */