[src/trunk]: src/sys/common/pmap/tlb Add a common struct containing tlb ops n...

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/3eaab84b62f8
branches:  trunk
changeset: 766359:3eaab84b62f8
user:      matt <matt%NetBSD.org@localhost>
date:      Tue Jun 21 04:55:01 2011 +0000

description:
Add a common struct containing tlb ops needed by the tlb pmap.c

diffstat:

 sys/common/pmap/tlb/tlb.h |  71 +++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 71 insertions(+), 0 deletions(-)

diffs (75 lines):

diff -r bd702d9e72db -r 3eaab84b62f8 sys/common/pmap/tlb/tlb.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/common/pmap/tlb/tlb.h Tue Jun 21 04:55:01 2011 +0000
@@ -0,0 +1,71 @@
+/*     $NetBSD: tlb.h,v 1.1 2011/06/21 04:55:01 matt Exp $     */
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Matt Thomas of 3am Software Foundry.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``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 THE FOUNDATION OR CONTRIBUTORS
+ * 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 _COMMON_PMAP_TLB_TLB_H_
+#define        _COMMON_PMAP_TLB_TLB_H_
+
+#if defined(_KERNEL) || defined(_KMEMUSER)
+
+struct tlbmask;
+
+struct tlb_md_ops {
+       void    (*md_tlb_set_asid)(tlb_asid_t);
+       tlb_asid_t
+               (*md_tlb_get_asid)(void);
+       void    (*md_tlb_invalidate_all)(void);
+       void    (*md_tlb_invalidate_globals)(void);
+       void    (*md_tlb_invalidate_asids)(tlb_asid_t, tlb_asid_t);
+       void    (*md_tlb_invalidate_addr)(vaddr_t, tlb_asid_t);
+       bool    (*md_tlb_update_addr)(vaddr_t, tlb_asid_t, pt_entry_t, bool);
+       void    (*md_tlb_read_entry)(size_t, struct tlbmask *);
+       void    (*md_tlb_write_entry)(size_t, const struct tlbmask *);
+       u_int   (*md_tlb_record_asids)(u_long *);
+       void    (*md_tlb_dump)(void (*)(const char *, ...));
+       void    (*md_tlb_walk)(void *, bool (*)(void *, vaddr_t, tlb_asid_t,
+                   pt_entry_t));
+};
+
+tlb_asid_t
+       tlb_get_asid(void);
+void   tlb_set_asid(tlb_asid_t);
+void   tlb_invalidate_all(void);
+void   tlb_invalidate_globals(void);
+void   tlb_invalidate_asids(tlb_asid_t, tlb_asid_t);
+void   tlb_invalidate_addr(vaddr_t, tlb_asid_t);
+bool   tlb_update_addr(vaddr_t, tlb_asid_t, pt_entry_t, bool);
+u_int  tlb_record_asids(u_long *);
+void   tlb_enter_addr(size_t, const struct tlbmask *);
+void   tlb_read_entry(size_t, struct tlbmask *);
+void   tlb_write_entry(size_t, const struct tlbmask *);
+void   tlb_walk(void *, bool (*)(void *, vaddr_t, tlb_asid_t, pt_entry_t));
+void   tlb_dump(void (*)(const char *, ...));
+
+#endif /* _KERNEL || _KMEMUSER */
+
+#endif /* !_COMMON_PMAP_TLB_TLB_H_ */