Add /dev/mem and /dev/kmem to powerpc.

Approved by:	grehan (mentor)

3 files changed, 43 insertions, 0 deletions

diff --git a/sys/powerpc/include/memdev.h b/sys/powerpc/include/memdev.h
new file mode 100644
index 0000000..69072d9
--- /dev/null
+++ b/sys/powerpc/include/memdev.h
@@ -0,0 +1,40 @@
+/*-
+ * Copyright (c) 2004 Mark R V Murray
+ * 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
+ *    in this position and unchanged.
+ * 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 AUTHORS ``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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+#define CDEV_MAJOR	2
+#define	CDEV_MINOR_MEM	0
+#define	CDEV_MINOR_KMEM	1
+
+d_open_t	memopen;
+d_read_t	memrw;
+#define	memioctl	(d_ioctl_t *)NULL
+d_mmap_t	memmmap;
+
+void		dev_mem_md_init(void);
+
+MALLOC_DECLARE(M_MEMDEV);
diff --git a/sys/powerpc/include/ofw_machdep.h b/sys/powerpc/include/ofw_machdep.h
index 35b09b9..7f3aa0e 100644
--- a/sys/powerpc/include/ofw_machdep.h
+++ b/sys/powerpc/include/ofw_machdep.h
@@ -31,5 +31,6 @@
 #include <sys/bus.h>
 
 void OF_getetheraddr(device_t dev, u_char *addr);
+int mem_valid(vm_offset_t addr, int len);
 
 #endif /* _MACHINE_OFW_MACHDEP_H_ */
diff --git a/sys/powerpc/include/pmap.h b/sys/powerpc/include/pmap.h
index d9013a9..16fc5c6 100644
--- a/sys/powerpc/include/pmap.h
+++ b/sys/powerpc/include/pmap.h
@@ -82,6 +82,8 @@ vm_offset_t	pmap_kextract(vm_offset_t);
 
 int		pmap_pte_spill(vm_offset_t);
 
+int		pmap_dev_direct_mapped(vm_offset_t, vm_size_t);
+
 #define	vtophys(va)	pmap_kextract(((vm_offset_t)(va)))
 
 extern	vm_offset_t phys_avail[];