1 files changed, 75 insertions, 0 deletions
diff --git a/stand/i386/libi386/i386_copy.c b/stand/i386/libi386/i386_copy.c
new file mode 100644
index 000000000000..3c05241985c8
--- /dev/null
+++ b/stand/i386/libi386/i386_copy.c
@@ -0,0 +1,75 @@
+/*-
+ * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * MD primitives supporting placement of module data 
+ *
+ * XXX should check load address/size against memory top.
+ */
+#include <stand.h>
+
+#include "libi386.h"
+#include "btxv86.h"
+
+ssize_t
+i386_copyin(const void *src, vm_offset_t dest, const size_t len)
+{
+    if (dest + len >= memtop) {
+	errno = EFBIG;
+	return(-1);
+    }
+
+    bcopy(src, PTOV(dest), len);
+    return(len);
+}
+
+ssize_t
+i386_copyout(const vm_offset_t src, void *dest, const size_t len)
+{
+    if (src + len >= memtop) {
+	errno = EFBIG;
+	return(-1);
+    }
+    
+    bcopy(PTOV(src), dest, len);
+    return(len);
+}
+
+
+ssize_t
+i386_readin(const int fd, vm_offset_t dest, const size_t len)
+{
+
+    if (dest + len >= memtop_copyin) {
+	errno = EFBIG;
+	return(-1);
+    }
+
+    return (read(fd, PTOV(dest), len));
+}