Initial import of arm32 port

1 files changed, 98 insertions, 0 deletions

diff --git a/sys/arch/arm32/dev/rd_hooks.c b/sys/arch/arm32/dev/rd_hooks.c
new file mode 100644
index 00000000000..7aa97324645
--- /dev/null
+++ b/sys/arch/arm32/dev/rd_hooks.c
@@ -0,0 +1,98 @@
+/* $NetBSD: rd_hooks.c,v 1.5 1996/03/28 21:14:13 mark Exp $ */
+
+/*
+ * Copyright (c) 1995 Gordon W. Ross
+ * 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. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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.
+ */
+
+#include <sys/param.h>
+#include <sys/reboot.h>
+#include <sys/device.h>
+
+#include <vm/vm.h>
+#include <vm/vm_map.h>
+#include <vm/vm_kern.h>
+
+#include <dev/ramdisk.h>
+
+#ifndef RAMDISK_SIZE
+#define RAMDISK_SIZE 0
+#endif
+
+/*extern int boothowto;*/
+extern u_int ramdisc_size;
+struct rd_conf *bootrd = NULL;
+
+int load_ramdisc_from_floppy __P((struct rd_conf *rd, dev_t dev));
+
+/*
+ * This is called during autoconfig.
+ */
+int
+rd_match_hook(parent, self, aux)
+	struct device	*parent;
+	void	*self;
+	void	*aux;
+{
+	return (1);
+}
+
+void
+rd_attach_hook(unit, rd)
+	int unit;
+	struct rd_conf *rd;
+{
+	if (unit == 0) {
+		if (ramdisc_size == 0 && RAMDISK_SIZE)
+			ramdisc_size = (RAMDISK_SIZE * 1024);
+
+		if (ramdisc_size != 0) {
+			rd->rd_size = round_page(ramdisc_size);
+			rd->rd_addr = (caddr_t)kmem_alloc(kernel_map, ramdisc_size);
+			rd->rd_type = RD_KMEM_FIXED;
+			bootrd = rd;
+		}
+	}
+	printf("rd%d: allocated %dK (%d blocks)\n", unit, rd->rd_size / 1024, rd->rd_size / DEV_BSIZE);
+}
+
+
+/*
+ * This is called during open (i.e. mountroot)
+ */
+
+void
+rd_open_hook(unit, rd)
+	int unit;
+	struct rd_conf *rd;
+{
+/* I use the ramdisc for other testing ... */
+#if 0
+	if (unit == 0) {
+		/* The root ramdisk only works single-user. */
+		boothowto |= RB_SINGLE;
+	}
+#endif
+}