baseport/src/cedar/generic/base/syborg/svpplatform/libfdt/fdt.c
changeset 2 d55eb581a87c
parent 1 2fb8b9db1c86
child 3 c2946f91d81f
--- a/baseport/src/cedar/generic/base/syborg/svpplatform/libfdt/fdt.c	Fri Jul 31 15:01:17 2009 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,156 +0,0 @@
-/*
- * libfdt - Flat Device Tree manipulation
- * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * libfdt is dual licensed: you can use it either under the terms of
- * the GPL, or the BSD license, at your option.
- *
- *  a) This library is free software; you can redistribute it and/or
- *     modify it under the terms of the GNU General Public License as
- *     published by the Free Software Foundation; either version 2 of the
- *     License, or (at your option) any later version.
- *
- *     This library is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public
- *     License along with this library; if not, write to the Free
- *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- *     MA 02110-1301 USA
- *
- * Alternatively,
- *
- *  b) 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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 "libfdt_env.h"
-
-#include <fdt.h>
-#include <libfdt.h>
-
-#include "libfdt_internal.h"
-
-int fdt_check_header(const void *fdt)
-{
-	if (fdt_magic(fdt) == FDT_MAGIC) {
-		/* Complete tree */
-		if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION)
-			return -FDT_ERR_BADVERSION;
-		if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION)
-			return -FDT_ERR_BADVERSION;
-	} else if (fdt_magic(fdt) == SW_MAGIC) {
-		/* Unfinished sequential-write blob */
-		if (fdt_size_dt_struct(fdt) == 0)
-			return -FDT_ERR_BADSTATE;
-	} else {
-		return -FDT_ERR_BADMAGIC;
-	}
-
-	return 0;
-}
-
-const void *fdt_offset_ptr(const void *fdt, int offset, int len)
-{
-	const void *p;
-
-	if (fdt_version(fdt) >= 0x11)
-		if (((offset + len) < offset)
-		    || ((offset + len) > fdt_size_dt_struct(fdt)))
-			return NULL;
-
-	p = _fdt_offset_ptr(fdt, offset);
-
-	if (p + len < p)
-		return NULL;
-	return p;
-}
-
-uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset)
-{
-	const uint32_t *tagp, *lenp;
-	uint32_t tag;
-	const char *p;
-
-	if (offset % FDT_TAGSIZE)
-		return -1;
-
-	tagp = fdt_offset_ptr(fdt, offset, FDT_TAGSIZE);
-	if (! tagp)
-		return FDT_END; /* premature end */
-	tag = fdt32_to_cpu(*tagp);
-	offset += FDT_TAGSIZE;
-
-	switch (tag) {
-	case FDT_BEGIN_NODE:
-		/* skip name */
-		do {
-			p = fdt_offset_ptr(fdt, offset++, 1);
-		} while (p && (*p != '\0'));
-		if (! p)
-			return FDT_END;
-		break;
-	case FDT_PROP:
-		lenp = fdt_offset_ptr(fdt, offset, sizeof(*lenp));
-		if (! lenp)
-			return FDT_END;
-		/* skip name offset, length and value */
-		offset += 2*FDT_TAGSIZE + fdt32_to_cpu(*lenp);
-		break;
-	}
-
-	if (nextoffset)
-		*nextoffset = ALIGN(offset, FDT_TAGSIZE);
-
-	return tag;
-}
-
-const char *_fdt_find_string(const char *strtab, int tabsize, const char *s)
-{
-	int len = strlen(s) + 1;
-	const char *last = strtab + tabsize - len;
-	const char *p;
-
-	for (p = strtab; p <= last; p++)
-		if (memeq(p, s, len))
-			return p;
-	return NULL;
-}
-
-int fdt_move(const void *fdt, void *buf, int bufsize)
-{
-	int err = fdt_check_header(fdt);
-
-	if (err)
-		return err;
-
-	if (fdt_totalsize(fdt) > bufsize)
-		return -FDT_ERR_NOSPACE;
-
-	memmove(buf, fdt, fdt_totalsize(fdt));
-	return 0;
-}