[src/trunk]: src/sys/arch/vax Add bus_space_mmap().

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

details:   https://anonhg.NetBSD.org/src/rev/109daeb29292
branches:  trunk
changeset: 515114:109daeb29292
user:      ragge <ragge%NetBSD.org@localhost>
date:      Sun Sep 16 20:39:02 2001 +0000

description:
Add bus_space_mmap().

diffstat:

 sys/arch/vax/include/bus.h |  11 ++++++++++-
 sys/arch/vax/vax/bus_mem.c |  16 +++++++++++++---
 2 files changed, 23 insertions(+), 4 deletions(-)

diffs (66 lines):

diff -r 8818b0ceb87e -r 109daeb29292 sys/arch/vax/include/bus.h
--- a/sys/arch/vax/include/bus.h        Sun Sep 16 19:26:12 2001 +0000
+++ b/sys/arch/vax/include/bus.h        Sun Sep 16 20:39:02 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bus.h,v 1.17 2001/07/19 15:32:19 thorpej Exp $ */
+/*     $NetBSD: bus.h,v 1.18 2001/09/16 20:39:04 ragge Exp $   */
 
 /*-
  * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc.
@@ -127,6 +127,8 @@
                            bus_addr_t *, bus_space_handle_t *));
        void            (*vbs_free) __P((void *, bus_space_handle_t,
                            bus_size_t));
+       /* mmap bus space for user */
+       paddr_t         (*vbs_mmap)(void *, bus_addr_t, off_t, int, int);
 };
 
 /*
@@ -192,6 +194,13 @@
        (*(t)->vbs_free)((t)->vbs_cookie, (h), (s))
 
 /*
+ * Mmap bus space for a user application.
+ */
+#define bus_space_mmap(t, a, o, p, f)                                  \
+       (*(t)->vbs_mmap)((t)->vbs_cookie, (a), (o), (p), (f))
+
+
+/*
  *     u_intN_t bus_space_read_N __P((bus_space_tag_t tag,
  *         bus_space_handle_t bsh, bus_size_t offset));
  *
diff -r 8818b0ceb87e -r 109daeb29292 sys/arch/vax/vax/bus_mem.c
--- a/sys/arch/vax/vax/bus_mem.c        Sun Sep 16 19:26:12 2001 +0000
+++ b/sys/arch/vax/vax/bus_mem.c        Sun Sep 16 20:39:02 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bus_mem.c,v 1.8 2000/06/29 07:14:23 mrg Exp $ */
+/*     $NetBSD: bus_mem.c,v 1.9 2001/09/16 20:39:02 ragge Exp $ */
 /*
  * Copyright (c) 1998 Matt Thomas
  * All rights reserved.
@@ -120,12 +120,22 @@
 {    
        panic("vax_mem_bus_free not implemented");
 }
-       
+
+static paddr_t
+vax_mem_bus_space_mmap(void *v, bus_addr_t addr, off_t off, int prot, int flags)
+{
+       bus_addr_t rv;
+
+       rv = addr + off;
+       return btop(rv);
+}
+
 struct vax_bus_space vax_mem_bus_space = {
        NULL,
        vax_mem_bus_space_map,
        vax_mem_bus_space_unmap,
        vax_mem_bus_space_subregion,
        vax_mem_bus_space_alloc,
-       vax_mem_bus_space_free
+       vax_mem_bus_space_free,
+       vax_mem_bus_space_mmap,
 };