X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libfdt%2Ffdt_sw.c;h=df0987606e3f90ee743847dd340c6b78de00f14a;hb=b77cddc7b52acd4ed78830ac681a398dd3053938;hp=672f4ddd9474255398f23080ceec3d16989b0578;hpb=3c4bd60de15d79ddfc0cf3170a55847b2025d93f;p=u-boot

diff --git a/libfdt/fdt_sw.c b/libfdt/fdt_sw.c
index 672f4ddd94..df0987606e 100644
--- a/libfdt/fdt_sw.c
+++ b/libfdt/fdt_sw.c
@@ -2,19 +2,51 @@
  * libfdt - Flat Device Tree manipulation
  * Copyright (C) 2006 David Gibson, IBM Corporation.
  *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
+ * libfdt is dual licensed: you can use it either under the terms of
+ * the GPL, or the BSD license, at your option.
  *
- * 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
- * Lesser General Public License for more details.
+ *  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.
  *
- * You should have received a copy of the GNU Lesser 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
+ *     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"
 
@@ -23,13 +55,21 @@
 
 #include "libfdt_internal.h"
 
-static int check_header_sw(void *fdt)
+static int sw_check_header(void *fdt)
 {
 	if (fdt_magic(fdt) != SW_MAGIC)
 		return -FDT_ERR_BADMAGIC;
+	/* FIXME: should check more details about the header state */
 	return 0;
 }
 
+#define SW_CHECK_HEADER(fdt) \
+	{ \
+		int err; \
+		if ((err = sw_check_header(fdt)) != 0) \
+			return err; \
+	}
+
 static void *grab_space(void *fdt, int len)
 {
 	int offset = fdt_size_dt_struct(fdt);
@@ -41,8 +81,8 @@ static void *grab_space(void *fdt, int len)
 	if ((offset + len < offset) || (offset + len > spaceleft))
 		return NULL;
 
-	fdt_set_header(fdt, size_dt_struct, offset + len);
-	return fdt_offset_ptr(fdt, offset, len);
+	fdt_set_size_dt_struct(fdt, offset + len);
+	return fdt_offset_ptr_w(fdt, offset, len);
 }
 
 int fdt_create(void *buf, int bufsize)
@@ -54,15 +94,15 @@ int fdt_create(void *buf, int bufsize)
 
 	memset(buf, 0, bufsize);
 
-	fdt_set_header(fdt, magic, SW_MAGIC);
-	fdt_set_header(fdt, version, FDT_LAST_SUPPORTED_VERSION);
-	fdt_set_header(fdt, last_comp_version, FDT_FIRST_SUPPORTED_VERSION);
-	fdt_set_header(fdt, totalsize, bufsize);
+	fdt_set_magic(fdt, SW_MAGIC);
+	fdt_set_version(fdt, FDT_LAST_SUPPORTED_VERSION);
+	fdt_set_last_comp_version(fdt, FDT_FIRST_SUPPORTED_VERSION);
+	fdt_set_totalsize(fdt,  bufsize);
 
-	fdt_set_header(fdt, off_mem_rsvmap, ALIGN(sizeof(struct fdt_header),
-					      sizeof(struct fdt_reserve_entry)));
-	fdt_set_header(fdt, off_dt_struct, fdt_off_mem_rsvmap(fdt));
-	fdt_set_header(fdt, off_dt_strings, bufsize);
+	fdt_set_off_mem_rsvmap(fdt, ALIGN(sizeof(struct fdt_header),
+					  sizeof(struct fdt_reserve_entry)));
+	fdt_set_off_dt_struct(fdt, fdt_off_mem_rsvmap(fdt));
+	fdt_set_off_dt_strings(fdt, bufsize);
 
 	return 0;
 }
@@ -70,11 +110,10 @@ int fdt_create(void *buf, int bufsize)
 int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size)
 {
 	struct fdt_reserve_entry *re;
-	int err = check_header_sw(fdt);
 	int offset;
 
-	if (err)
-		return err;
+	SW_CHECK_HEADER(fdt);
+
 	if (fdt_size_dt_struct(fdt))
 		return -FDT_ERR_BADSTATE;
 
@@ -82,11 +121,11 @@ int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size)
 	if ((offset + sizeof(*re)) > fdt_totalsize(fdt))
 		return -FDT_ERR_NOSPACE;
 
-	re = (struct fdt_reserve_entry *)((void *)fdt + offset);
+	re = (struct fdt_reserve_entry *)(fdt + offset);
 	re->address = cpu_to_fdt64(addr);
 	re->size = cpu_to_fdt64(size);
 
-	fdt_set_header(fdt, off_dt_struct, offset + sizeof(*re));
+	fdt_set_off_dt_struct(fdt, offset + sizeof(*re));
 
 	return 0;
 }
@@ -99,11 +138,9 @@ int fdt_finish_reservemap(void *fdt)
 int fdt_begin_node(void *fdt, const char *name)
 {
 	struct fdt_node_header *nh;
-	int err = check_header_sw(fdt);
 	int namelen = strlen(name) + 1;
 
-	if (err)
-		return err;
+	SW_CHECK_HEADER(fdt);
 
 	nh = grab_space(fdt, sizeof(*nh) + ALIGN(namelen, FDT_TAGSIZE));
 	if (! nh)
@@ -117,10 +154,8 @@ int fdt_begin_node(void *fdt, const char *name)
 int fdt_end_node(void *fdt)
 {
 	uint32_t *en;
-	int err = check_header_sw(fdt);
 
-	if (err)
-		return err;
+	SW_CHECK_HEADER(fdt);
 
 	en = grab_space(fdt, FDT_TAGSIZE);
 	if (! en)
@@ -149,18 +184,16 @@ static int find_add_string(void *fdt, const char *s)
 		return 0; /* no more room :( */
 
 	memcpy(strtab + offset, s, len);
-	fdt_set_header(fdt, size_dt_strings, strtabsize + len);
+	fdt_set_size_dt_strings(fdt, strtabsize + len);
 	return offset;
 }
 
 int fdt_property(void *fdt, const char *name, const void *val, int len)
 {
 	struct fdt_property *prop;
-	int err = check_header_sw(fdt);
 	int nameoff;
 
-	if (err)
-		return err;
+	SW_CHECK_HEADER(fdt);
 
 	nameoff = find_add_string(fdt, name);
 	if (nameoff == 0)
@@ -179,15 +212,13 @@ int fdt_property(void *fdt, const char *name, const void *val, int len)
 
 int fdt_finish(void *fdt)
 {
-	int err = check_header_sw(fdt);
 	char *p = (char *)fdt;
 	uint32_t *end;
 	int oldstroffset, newstroffset;
 	uint32_t tag;
 	int offset, nextoffset;
 
-	if (err)
-		return err;
+	SW_CHECK_HEADER(fdt);
 
 	/* Add terminator */
 	end = grab_space(fdt, sizeof(*end));
@@ -199,14 +230,14 @@ int fdt_finish(void *fdt)
 	oldstroffset = fdt_totalsize(fdt) - fdt_size_dt_strings(fdt);
 	newstroffset = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
 	memmove(p + newstroffset, p + oldstroffset, fdt_size_dt_strings(fdt));
-	fdt_set_header(fdt, off_dt_strings, newstroffset);
+	fdt_set_off_dt_strings(fdt, newstroffset);
 
 	/* Walk the structure, correcting string offsets */
 	offset = 0;
-	while ((tag = fdt_next_tag(fdt, offset, &nextoffset, NULL)) != FDT_END) {
+	while ((tag = fdt_next_tag(fdt, offset, &nextoffset)) != FDT_END) {
 		if (tag == FDT_PROP) {
-			struct fdt_property *prop = fdt_offset_ptr(fdt, offset,
-								   sizeof(*prop));
+			struct fdt_property *prop =
+				fdt_offset_ptr_w(fdt, offset, sizeof(*prop));
 			int nameoff;
 
 			if (! prop)
@@ -220,7 +251,7 @@ int fdt_finish(void *fdt)
 	}
 
 	/* Finally, adjust the header */
-	fdt_set_header(fdt, totalsize, newstroffset + fdt_size_dt_strings(fdt));
-	fdt_set_header(fdt, magic, FDT_MAGIC);
+	fdt_set_totalsize(fdt, newstroffset + fdt_size_dt_strings(fdt));
+	fdt_set_magic(fdt, FDT_MAGIC);
 	return 0;
 }