ARM Packages: Fixed line endings
This large code change only modifies the line endings to be CRLF to be compliant with the EDK2 coding convention document. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14088 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
@@ -1,222 +1,222 @@
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/*
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* libfdt - Flat Device Tree manipulation
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* Copyright (C) 2006 David Gibson, IBM Corporation.
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*
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* libfdt is dual licensed: you can use it either under the terms of
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* the GPL, or the BSD license, at your option.
|
||||
*
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||||
* 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.
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||||
*
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||||
* 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
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||||
*
|
||||
* Alternatively,
|
||||
*
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||||
* b) Redistribution and use in source and binary forms, with or
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||||
* 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
|
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "libfdt_env.h"
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#include <fdt.h>
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#include <libfdt.h>
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#include "libfdt_internal.h"
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int fdt_check_header(const void *fdt)
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{
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if (fdt_magic(fdt) == FDT_MAGIC) {
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/* Complete tree */
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if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION)
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return -FDT_ERR_BADVERSION;
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if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION)
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return -FDT_ERR_BADVERSION;
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} else if (fdt_magic(fdt) == FDT_SW_MAGIC) {
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/* Unfinished sequential-write blob */
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if (fdt_size_dt_struct(fdt) == 0)
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return -FDT_ERR_BADSTATE;
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} else {
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return -FDT_ERR_BADMAGIC;
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}
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return 0;
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}
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const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int len)
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{
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const char *p;
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if (fdt_version(fdt) >= 0x11)
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if (((offset + len) < offset)
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|| ((offset + len) > fdt_size_dt_struct(fdt)))
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return NULL;
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p = _fdt_offset_ptr(fdt, offset);
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if (p + len < p)
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return NULL;
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return p;
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}
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uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset)
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{
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const uint32_t *tagp, *lenp;
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uint32_t tag;
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int offset = startoffset;
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const char *p;
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*nextoffset = -FDT_ERR_TRUNCATED;
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tagp = fdt_offset_ptr(fdt, offset, FDT_TAGSIZE);
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if (!tagp)
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return FDT_END; /* premature end */
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tag = fdt32_to_cpu(*tagp);
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offset += FDT_TAGSIZE;
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*nextoffset = -FDT_ERR_BADSTRUCTURE;
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switch (tag) {
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case FDT_BEGIN_NODE:
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/* skip name */
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do {
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p = fdt_offset_ptr(fdt, offset++, 1);
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} while (p && (*p != '\0'));
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if (!p)
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return FDT_END; /* premature end */
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break;
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case FDT_PROP:
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lenp = fdt_offset_ptr(fdt, offset, sizeof(*lenp));
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if (!lenp)
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return FDT_END; /* premature end */
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/* skip-name offset, length and value */
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offset += sizeof(struct fdt_property) - FDT_TAGSIZE
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+ fdt32_to_cpu(*lenp);
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break;
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case FDT_END:
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case FDT_END_NODE:
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case FDT_NOP:
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break;
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default:
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return FDT_END;
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}
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if (!fdt_offset_ptr(fdt, startoffset, offset - startoffset))
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return FDT_END; /* premature end */
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*nextoffset = FDT_TAGALIGN(offset);
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return tag;
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}
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int _fdt_check_node_offset(const void *fdt, int offset)
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{
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if ((offset < 0) || (offset % FDT_TAGSIZE)
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|| (fdt_next_tag(fdt, offset, &offset) != FDT_BEGIN_NODE))
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return -FDT_ERR_BADOFFSET;
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return offset;
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}
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int _fdt_check_prop_offset(const void *fdt, int offset)
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{
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if ((offset < 0) || (offset % FDT_TAGSIZE)
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|| (fdt_next_tag(fdt, offset, &offset) != FDT_PROP))
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return -FDT_ERR_BADOFFSET;
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return offset;
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}
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int fdt_next_node(const void *fdt, int offset, int *depth)
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{
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int nextoffset = 0;
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uint32_t tag;
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if (offset >= 0)
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if ((nextoffset = _fdt_check_node_offset(fdt, offset)) < 0)
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return nextoffset;
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do {
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offset = nextoffset;
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tag = fdt_next_tag(fdt, offset, &nextoffset);
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switch (tag) {
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case FDT_PROP:
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case FDT_NOP:
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break;
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case FDT_BEGIN_NODE:
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if (depth)
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(*depth)++;
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break;
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case FDT_END_NODE:
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if (depth && ((--(*depth)) < 0))
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return nextoffset;
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break;
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case FDT_END:
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if ((nextoffset >= 0)
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|| ((nextoffset == -FDT_ERR_TRUNCATED) && !depth))
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return -FDT_ERR_NOTFOUND;
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else
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return nextoffset;
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}
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} while (tag != FDT_BEGIN_NODE);
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return offset;
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}
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const char *_fdt_find_string(const char *strtab, int tabsize, const char *s)
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{
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int len = strlen(s) + 1;
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const char *last = strtab + tabsize - len;
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const char *p;
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for (p = strtab; p <= last; p++)
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if (memcmp(p, s, len) == 0)
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return p;
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return NULL;
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}
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int fdt_move(const void *fdt, void *buf, int bufsize)
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{
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FDT_CHECK_HEADER(fdt);
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if (fdt_totalsize(fdt) > bufsize)
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return -FDT_ERR_NOSPACE;
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memmove(buf, fdt, fdt_totalsize(fdt));
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return 0;
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}
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/*
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* libfdt - Flat Device Tree manipulation
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* Copyright (C) 2006 David Gibson, IBM Corporation.
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*
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* libfdt is dual licensed: you can use it either under the terms of
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* the GPL, or the BSD license, at your option.
|
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*
|
||||
* 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
|
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* License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
|
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* 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.
|
||||
*/
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#include "libfdt_env.h"
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#include <fdt.h>
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#include <libfdt.h>
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#include "libfdt_internal.h"
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int fdt_check_header(const void *fdt)
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{
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if (fdt_magic(fdt) == FDT_MAGIC) {
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/* Complete tree */
|
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if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION)
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return -FDT_ERR_BADVERSION;
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if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION)
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return -FDT_ERR_BADVERSION;
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} else if (fdt_magic(fdt) == FDT_SW_MAGIC) {
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/* Unfinished sequential-write blob */
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if (fdt_size_dt_struct(fdt) == 0)
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return -FDT_ERR_BADSTATE;
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} else {
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return -FDT_ERR_BADMAGIC;
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}
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return 0;
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}
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const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int len)
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{
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const char *p;
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|
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if (fdt_version(fdt) >= 0x11)
|
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if (((offset + len) < offset)
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|| ((offset + len) > fdt_size_dt_struct(fdt)))
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return NULL;
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p = _fdt_offset_ptr(fdt, offset);
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if (p + len < p)
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return NULL;
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return p;
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}
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uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset)
|
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{
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const uint32_t *tagp, *lenp;
|
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uint32_t tag;
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int offset = startoffset;
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const char *p;
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|
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*nextoffset = -FDT_ERR_TRUNCATED;
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tagp = fdt_offset_ptr(fdt, offset, FDT_TAGSIZE);
|
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if (!tagp)
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return FDT_END; /* premature end */
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tag = fdt32_to_cpu(*tagp);
|
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offset += FDT_TAGSIZE;
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*nextoffset = -FDT_ERR_BADSTRUCTURE;
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switch (tag) {
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case FDT_BEGIN_NODE:
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/* skip name */
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do {
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p = fdt_offset_ptr(fdt, offset++, 1);
|
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} while (p && (*p != '\0'));
|
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if (!p)
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return FDT_END; /* premature end */
|
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break;
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|
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case FDT_PROP:
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lenp = fdt_offset_ptr(fdt, offset, sizeof(*lenp));
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if (!lenp)
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return FDT_END; /* premature end */
|
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/* skip-name offset, length and value */
|
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offset += sizeof(struct fdt_property) - FDT_TAGSIZE
|
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+ fdt32_to_cpu(*lenp);
|
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break;
|
||||
|
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case FDT_END:
|
||||
case FDT_END_NODE:
|
||||
case FDT_NOP:
|
||||
break;
|
||||
|
||||
default:
|
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return FDT_END;
|
||||
}
|
||||
|
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if (!fdt_offset_ptr(fdt, startoffset, offset - startoffset))
|
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return FDT_END; /* premature end */
|
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*nextoffset = FDT_TAGALIGN(offset);
|
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return tag;
|
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}
|
||||
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int _fdt_check_node_offset(const void *fdt, int offset)
|
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{
|
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if ((offset < 0) || (offset % FDT_TAGSIZE)
|
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|| (fdt_next_tag(fdt, offset, &offset) != FDT_BEGIN_NODE))
|
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return -FDT_ERR_BADOFFSET;
|
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|
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return offset;
|
||||
}
|
||||
|
||||
int _fdt_check_prop_offset(const void *fdt, int offset)
|
||||
{
|
||||
if ((offset < 0) || (offset % FDT_TAGSIZE)
|
||||
|| (fdt_next_tag(fdt, offset, &offset) != FDT_PROP))
|
||||
return -FDT_ERR_BADOFFSET;
|
||||
|
||||
return offset;
|
||||
}
|
||||
|
||||
int fdt_next_node(const void *fdt, int offset, int *depth)
|
||||
{
|
||||
int nextoffset = 0;
|
||||
uint32_t tag;
|
||||
|
||||
if (offset >= 0)
|
||||
if ((nextoffset = _fdt_check_node_offset(fdt, offset)) < 0)
|
||||
return nextoffset;
|
||||
|
||||
do {
|
||||
offset = nextoffset;
|
||||
tag = fdt_next_tag(fdt, offset, &nextoffset);
|
||||
|
||||
switch (tag) {
|
||||
case FDT_PROP:
|
||||
case FDT_NOP:
|
||||
break;
|
||||
|
||||
case FDT_BEGIN_NODE:
|
||||
if (depth)
|
||||
(*depth)++;
|
||||
break;
|
||||
|
||||
case FDT_END_NODE:
|
||||
if (depth && ((--(*depth)) < 0))
|
||||
return nextoffset;
|
||||
break;
|
||||
|
||||
case FDT_END:
|
||||
if ((nextoffset >= 0)
|
||||
|| ((nextoffset == -FDT_ERR_TRUNCATED) && !depth))
|
||||
return -FDT_ERR_NOTFOUND;
|
||||
else
|
||||
return nextoffset;
|
||||
}
|
||||
} while (tag != FDT_BEGIN_NODE);
|
||||
|
||||
return offset;
|
||||
}
|
||||
|
||||
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 (memcmp(p, s, len) == 0)
|
||||
return p;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int fdt_move(const void *fdt, void *buf, int bufsize)
|
||||
{
|
||||
FDT_CHECK_HEADER(fdt);
|
||||
|
||||
if (fdt_totalsize(fdt) > bufsize)
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
memmove(buf, fdt, fdt_totalsize(fdt));
|
||||
return 0;
|
||||
}
|
||||
|
@@ -1,84 +1,84 @@
|
||||
/*
|
||||
* libfdt - Flat Device Tree manipulation
|
||||
* Copyright (C) 2012 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_create_empty_tree(void *buf, int bufsize)
|
||||
{
|
||||
int err;
|
||||
|
||||
err = fdt_create(buf, bufsize);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = fdt_finish_reservemap(buf);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = fdt_begin_node(buf, "");
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = fdt_end_node(buf);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = fdt_finish(buf);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
return fdt_open_into(buf, buf, bufsize);
|
||||
}
|
||||
|
||||
/*
|
||||
* libfdt - Flat Device Tree manipulation
|
||||
* Copyright (C) 2012 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_create_empty_tree(void *buf, int bufsize)
|
||||
{
|
||||
int err;
|
||||
|
||||
err = fdt_create(buf, bufsize);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = fdt_finish_reservemap(buf);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = fdt_begin_node(buf, "");
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = fdt_end_node(buf);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = fdt_finish(buf);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
return fdt_open_into(buf, buf, bufsize);
|
||||
}
|
||||
|
||||
|
File diff suppressed because it is too large
Load Diff
@@ -1,495 +1,495 @@
|
||||
/*
|
||||
* 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"
|
||||
|
||||
static int _fdt_blocks_misordered(const void *fdt,
|
||||
int mem_rsv_size, int struct_size)
|
||||
{
|
||||
return (fdt_off_mem_rsvmap(fdt) < FDT_ALIGN(sizeof(struct fdt_header), 8))
|
||||
|| (fdt_off_dt_struct(fdt) <
|
||||
(fdt_off_mem_rsvmap(fdt) + mem_rsv_size))
|
||||
|| (fdt_off_dt_strings(fdt) <
|
||||
(fdt_off_dt_struct(fdt) + struct_size))
|
||||
|| (fdt_totalsize(fdt) <
|
||||
(fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt)));
|
||||
}
|
||||
|
||||
static int _fdt_rw_check_header(void *fdt)
|
||||
{
|
||||
FDT_CHECK_HEADER(fdt);
|
||||
|
||||
if (fdt_version(fdt) < 17)
|
||||
return -FDT_ERR_BADVERSION;
|
||||
if (_fdt_blocks_misordered(fdt, sizeof(struct fdt_reserve_entry),
|
||||
fdt_size_dt_struct(fdt)))
|
||||
return -FDT_ERR_BADLAYOUT;
|
||||
if (fdt_version(fdt) > 17)
|
||||
fdt_set_version(fdt, 17);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define FDT_RW_CHECK_HEADER(fdt) \
|
||||
{ \
|
||||
int err; \
|
||||
if ((err = _fdt_rw_check_header(fdt)) != 0) \
|
||||
return err; \
|
||||
}
|
||||
|
||||
static inline int _fdt_data_size(void *fdt)
|
||||
{
|
||||
return fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt);
|
||||
}
|
||||
|
||||
static int _fdt_splice(void *fdt, void *splicepoint, int oldlen, int newlen)
|
||||
{
|
||||
char *p = splicepoint;
|
||||
char *end = (char *)fdt + _fdt_data_size(fdt);
|
||||
|
||||
if (((p + oldlen) < p) || ((p + oldlen) > end))
|
||||
return -FDT_ERR_BADOFFSET;
|
||||
if ((end - oldlen + newlen) > ((char *)fdt + fdt_totalsize(fdt)))
|
||||
return -FDT_ERR_NOSPACE;
|
||||
memmove(p + newlen, p + oldlen, end - p - oldlen);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int _fdt_splice_mem_rsv(void *fdt, struct fdt_reserve_entry *p,
|
||||
int oldn, int newn)
|
||||
{
|
||||
int delta = (newn - oldn) * sizeof(*p);
|
||||
int err;
|
||||
err = _fdt_splice(fdt, p, oldn * sizeof(*p), newn * sizeof(*p));
|
||||
if (err)
|
||||
return err;
|
||||
fdt_set_off_dt_struct(fdt, fdt_off_dt_struct(fdt) + delta);
|
||||
fdt_set_off_dt_strings(fdt, fdt_off_dt_strings(fdt) + delta);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int _fdt_splice_struct(void *fdt, void *p,
|
||||
int oldlen, int newlen)
|
||||
{
|
||||
int delta = newlen - oldlen;
|
||||
int err;
|
||||
|
||||
err = _fdt_splice(fdt, p, oldlen, newlen);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
fdt_set_size_dt_struct(fdt, fdt_size_dt_struct(fdt) + delta);
|
||||
fdt_set_off_dt_strings(fdt, fdt_off_dt_strings(fdt) + delta);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int _fdt_splice_string(void *fdt, int newlen)
|
||||
{
|
||||
void *p = (char *)fdt
|
||||
+ fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt);
|
||||
int err;
|
||||
|
||||
err = _fdt_splice(fdt, p, 0, newlen);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
fdt_set_size_dt_strings(fdt, fdt_size_dt_strings(fdt) + newlen);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int _fdt_find_add_string(void *fdt, const char *s)
|
||||
{
|
||||
char *strtab = (char *)fdt + fdt_off_dt_strings(fdt);
|
||||
const char *p;
|
||||
char *new;
|
||||
int len = strlen(s) + 1;
|
||||
int err;
|
||||
|
||||
p = _fdt_find_string(strtab, fdt_size_dt_strings(fdt), s);
|
||||
if (p)
|
||||
/* found it */
|
||||
return (p - strtab);
|
||||
|
||||
new = strtab + fdt_size_dt_strings(fdt);
|
||||
err = _fdt_splice_string(fdt, len);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
memcpy(new, s, len);
|
||||
return (new - strtab);
|
||||
}
|
||||
|
||||
int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size)
|
||||
{
|
||||
struct fdt_reserve_entry *re;
|
||||
int err;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
re = _fdt_mem_rsv_w(fdt, fdt_num_mem_rsv(fdt));
|
||||
err = _fdt_splice_mem_rsv(fdt, re, 0, 1);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
re->address = cpu_to_fdt64(address);
|
||||
re->size = cpu_to_fdt64(size);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_del_mem_rsv(void *fdt, int n)
|
||||
{
|
||||
struct fdt_reserve_entry *re = _fdt_mem_rsv_w(fdt, n);
|
||||
int err;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
if (n >= fdt_num_mem_rsv(fdt))
|
||||
return -FDT_ERR_NOTFOUND;
|
||||
|
||||
err = _fdt_splice_mem_rsv(fdt, re, 1, 0);
|
||||
if (err)
|
||||
return err;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int _fdt_resize_property(void *fdt, int nodeoffset, const char *name,
|
||||
int len, struct fdt_property **prop)
|
||||
{
|
||||
int oldlen;
|
||||
int err;
|
||||
|
||||
*prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen);
|
||||
if (! (*prop))
|
||||
return oldlen;
|
||||
|
||||
err = _fdt_splice_struct(fdt, (*prop)->data, FDT_TAGALIGN(oldlen),
|
||||
FDT_TAGALIGN(len));
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
(*prop)->len = cpu_to_fdt32(len);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int _fdt_add_property(void *fdt, int nodeoffset, const char *name,
|
||||
int len, struct fdt_property **prop)
|
||||
{
|
||||
int proplen;
|
||||
int nextoffset;
|
||||
int namestroff;
|
||||
int err;
|
||||
|
||||
if ((nextoffset = _fdt_check_node_offset(fdt, nodeoffset)) < 0)
|
||||
return nextoffset;
|
||||
|
||||
namestroff = _fdt_find_add_string(fdt, name);
|
||||
if (namestroff < 0)
|
||||
return namestroff;
|
||||
|
||||
*prop = _fdt_offset_ptr_w(fdt, nextoffset);
|
||||
proplen = sizeof(**prop) + FDT_TAGALIGN(len);
|
||||
|
||||
err = _fdt_splice_struct(fdt, *prop, 0, proplen);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
(*prop)->tag = cpu_to_fdt32(FDT_PROP);
|
||||
(*prop)->nameoff = cpu_to_fdt32(namestroff);
|
||||
(*prop)->len = cpu_to_fdt32(len);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_set_name(void *fdt, int nodeoffset, const char *name)
|
||||
{
|
||||
char *namep;
|
||||
int oldlen, newlen;
|
||||
int err;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
namep = (char *)(uintptr_t)fdt_get_name(fdt, nodeoffset, &oldlen);
|
||||
if (!namep)
|
||||
return oldlen;
|
||||
|
||||
newlen = strlen(name);
|
||||
|
||||
err = _fdt_splice_struct(fdt, namep, FDT_TAGALIGN(oldlen+1),
|
||||
FDT_TAGALIGN(newlen+1));
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
memcpy(namep, name, newlen+1);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_setprop(void *fdt, int nodeoffset, const char *name,
|
||||
const void *val, int len)
|
||||
{
|
||||
struct fdt_property *prop;
|
||||
int err;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
err = _fdt_resize_property(fdt, nodeoffset, name, len, &prop);
|
||||
if (err == -FDT_ERR_NOTFOUND)
|
||||
err = _fdt_add_property(fdt, nodeoffset, name, len, &prop);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
memcpy(prop->data, val, len);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_appendprop(void *fdt, int nodeoffset, const char *name,
|
||||
const void *val, int len)
|
||||
{
|
||||
struct fdt_property *prop;
|
||||
int err, oldlen, newlen;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen);
|
||||
if (prop) {
|
||||
newlen = len + oldlen;
|
||||
err = _fdt_splice_struct(fdt, prop->data,
|
||||
FDT_TAGALIGN(oldlen),
|
||||
FDT_TAGALIGN(newlen));
|
||||
if (err)
|
||||
return err;
|
||||
prop->len = cpu_to_fdt32(newlen);
|
||||
memcpy(prop->data + oldlen, val, len);
|
||||
} else {
|
||||
err = _fdt_add_property(fdt, nodeoffset, name, len, &prop);
|
||||
if (err)
|
||||
return err;
|
||||
memcpy(prop->data, val, len);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_delprop(void *fdt, int nodeoffset, const char *name)
|
||||
{
|
||||
struct fdt_property *prop;
|
||||
int len, proplen;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
|
||||
if (! prop)
|
||||
return len;
|
||||
|
||||
proplen = sizeof(*prop) + FDT_TAGALIGN(len);
|
||||
return _fdt_splice_struct(fdt, prop, proplen, 0);
|
||||
}
|
||||
|
||||
int fdt_add_subnode_namelen(void *fdt, int parentoffset,
|
||||
const char *name, int namelen)
|
||||
{
|
||||
struct fdt_node_header *nh;
|
||||
int offset, nextoffset;
|
||||
int nodelen;
|
||||
int err;
|
||||
uint32_t tag;
|
||||
uint32_t *endtag;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
offset = fdt_subnode_offset_namelen(fdt, parentoffset, name, namelen);
|
||||
if (offset >= 0)
|
||||
return -FDT_ERR_EXISTS;
|
||||
else if (offset != -FDT_ERR_NOTFOUND)
|
||||
return offset;
|
||||
|
||||
/* Try to place the new node after the parent's properties */
|
||||
fdt_next_tag(fdt, parentoffset, &nextoffset); /* skip the BEGIN_NODE */
|
||||
do {
|
||||
offset = nextoffset;
|
||||
tag = fdt_next_tag(fdt, offset, &nextoffset);
|
||||
} while ((tag == FDT_PROP) || (tag == FDT_NOP));
|
||||
|
||||
nh = _fdt_offset_ptr_w(fdt, offset);
|
||||
nodelen = sizeof(*nh) + FDT_TAGALIGN(namelen+1) + FDT_TAGSIZE;
|
||||
|
||||
err = _fdt_splice_struct(fdt, nh, 0, nodelen);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
|
||||
memset(nh->name, 0, FDT_TAGALIGN(namelen+1));
|
||||
memcpy(nh->name, name, namelen);
|
||||
endtag = (uint32_t *)((char *)nh + nodelen - FDT_TAGSIZE);
|
||||
*endtag = cpu_to_fdt32(FDT_END_NODE);
|
||||
|
||||
return offset;
|
||||
}
|
||||
|
||||
int fdt_add_subnode(void *fdt, int parentoffset, const char *name)
|
||||
{
|
||||
return fdt_add_subnode_namelen(fdt, parentoffset, name, strlen(name));
|
||||
}
|
||||
|
||||
int fdt_del_node(void *fdt, int nodeoffset)
|
||||
{
|
||||
int endoffset;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
endoffset = _fdt_node_end_offset(fdt, nodeoffset);
|
||||
if (endoffset < 0)
|
||||
return endoffset;
|
||||
|
||||
return _fdt_splice_struct(fdt, _fdt_offset_ptr_w(fdt, nodeoffset),
|
||||
endoffset - nodeoffset, 0);
|
||||
}
|
||||
|
||||
static void _fdt_packblocks(const char *old, char *new,
|
||||
int mem_rsv_size, int struct_size)
|
||||
{
|
||||
int mem_rsv_off, struct_off, strings_off;
|
||||
|
||||
mem_rsv_off = FDT_ALIGN(sizeof(struct fdt_header), 8);
|
||||
struct_off = mem_rsv_off + mem_rsv_size;
|
||||
strings_off = struct_off + struct_size;
|
||||
|
||||
memmove(new + mem_rsv_off, old + fdt_off_mem_rsvmap(old), mem_rsv_size);
|
||||
fdt_set_off_mem_rsvmap(new, mem_rsv_off);
|
||||
|
||||
memmove(new + struct_off, old + fdt_off_dt_struct(old), struct_size);
|
||||
fdt_set_off_dt_struct(new, struct_off);
|
||||
fdt_set_size_dt_struct(new, struct_size);
|
||||
|
||||
memmove(new + strings_off, old + fdt_off_dt_strings(old),
|
||||
fdt_size_dt_strings(old));
|
||||
fdt_set_off_dt_strings(new, strings_off);
|
||||
fdt_set_size_dt_strings(new, fdt_size_dt_strings(old));
|
||||
}
|
||||
|
||||
int fdt_open_into(const void *fdt, void *buf, int bufsize)
|
||||
{
|
||||
int err;
|
||||
int mem_rsv_size, struct_size;
|
||||
int newsize;
|
||||
const char *fdtstart = fdt;
|
||||
const char *fdtend = fdtstart + fdt_totalsize(fdt);
|
||||
char *tmp;
|
||||
|
||||
FDT_CHECK_HEADER(fdt);
|
||||
|
||||
mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
|
||||
* sizeof(struct fdt_reserve_entry);
|
||||
|
||||
if (fdt_version(fdt) >= 17) {
|
||||
struct_size = fdt_size_dt_struct(fdt);
|
||||
} else {
|
||||
struct_size = 0;
|
||||
while (fdt_next_tag(fdt, struct_size, &struct_size) != FDT_END)
|
||||
;
|
||||
if (struct_size < 0)
|
||||
return struct_size;
|
||||
}
|
||||
|
||||
if (!_fdt_blocks_misordered(fdt, mem_rsv_size, struct_size)) {
|
||||
/* no further work necessary */
|
||||
err = fdt_move(fdt, buf, bufsize);
|
||||
if (err)
|
||||
return err;
|
||||
fdt_set_version(buf, 17);
|
||||
fdt_set_size_dt_struct(buf, struct_size);
|
||||
fdt_set_totalsize(buf, bufsize);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Need to reorder */
|
||||
newsize = FDT_ALIGN(sizeof(struct fdt_header), 8) + mem_rsv_size
|
||||
+ struct_size + fdt_size_dt_strings(fdt);
|
||||
|
||||
if (bufsize < newsize)
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
/* First attempt to build converted tree at beginning of buffer */
|
||||
tmp = buf;
|
||||
/* But if that overlaps with the old tree... */
|
||||
if (((tmp + newsize) > fdtstart) && (tmp < fdtend)) {
|
||||
/* Try right after the old tree instead */
|
||||
tmp = (char *)(uintptr_t)fdtend;
|
||||
if ((tmp + newsize) > ((char *)buf + bufsize))
|
||||
return -FDT_ERR_NOSPACE;
|
||||
}
|
||||
|
||||
_fdt_packblocks(fdt, tmp, mem_rsv_size, struct_size);
|
||||
memmove(buf, tmp, newsize);
|
||||
|
||||
fdt_set_magic(buf, FDT_MAGIC);
|
||||
fdt_set_totalsize(buf, bufsize);
|
||||
fdt_set_version(buf, 17);
|
||||
fdt_set_last_comp_version(buf, 16);
|
||||
fdt_set_boot_cpuid_phys(buf, fdt_boot_cpuid_phys(fdt));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_pack(void *fdt)
|
||||
{
|
||||
int mem_rsv_size;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
|
||||
* sizeof(struct fdt_reserve_entry);
|
||||
_fdt_packblocks(fdt, fdt, mem_rsv_size, fdt_size_dt_struct(fdt));
|
||||
fdt_set_totalsize(fdt, _fdt_data_size(fdt));
|
||||
|
||||
return 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"
|
||||
|
||||
static int _fdt_blocks_misordered(const void *fdt,
|
||||
int mem_rsv_size, int struct_size)
|
||||
{
|
||||
return (fdt_off_mem_rsvmap(fdt) < FDT_ALIGN(sizeof(struct fdt_header), 8))
|
||||
|| (fdt_off_dt_struct(fdt) <
|
||||
(fdt_off_mem_rsvmap(fdt) + mem_rsv_size))
|
||||
|| (fdt_off_dt_strings(fdt) <
|
||||
(fdt_off_dt_struct(fdt) + struct_size))
|
||||
|| (fdt_totalsize(fdt) <
|
||||
(fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt)));
|
||||
}
|
||||
|
||||
static int _fdt_rw_check_header(void *fdt)
|
||||
{
|
||||
FDT_CHECK_HEADER(fdt);
|
||||
|
||||
if (fdt_version(fdt) < 17)
|
||||
return -FDT_ERR_BADVERSION;
|
||||
if (_fdt_blocks_misordered(fdt, sizeof(struct fdt_reserve_entry),
|
||||
fdt_size_dt_struct(fdt)))
|
||||
return -FDT_ERR_BADLAYOUT;
|
||||
if (fdt_version(fdt) > 17)
|
||||
fdt_set_version(fdt, 17);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define FDT_RW_CHECK_HEADER(fdt) \
|
||||
{ \
|
||||
int err; \
|
||||
if ((err = _fdt_rw_check_header(fdt)) != 0) \
|
||||
return err; \
|
||||
}
|
||||
|
||||
static inline int _fdt_data_size(void *fdt)
|
||||
{
|
||||
return fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt);
|
||||
}
|
||||
|
||||
static int _fdt_splice(void *fdt, void *splicepoint, int oldlen, int newlen)
|
||||
{
|
||||
char *p = splicepoint;
|
||||
char *end = (char *)fdt + _fdt_data_size(fdt);
|
||||
|
||||
if (((p + oldlen) < p) || ((p + oldlen) > end))
|
||||
return -FDT_ERR_BADOFFSET;
|
||||
if ((end - oldlen + newlen) > ((char *)fdt + fdt_totalsize(fdt)))
|
||||
return -FDT_ERR_NOSPACE;
|
||||
memmove(p + newlen, p + oldlen, end - p - oldlen);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int _fdt_splice_mem_rsv(void *fdt, struct fdt_reserve_entry *p,
|
||||
int oldn, int newn)
|
||||
{
|
||||
int delta = (newn - oldn) * sizeof(*p);
|
||||
int err;
|
||||
err = _fdt_splice(fdt, p, oldn * sizeof(*p), newn * sizeof(*p));
|
||||
if (err)
|
||||
return err;
|
||||
fdt_set_off_dt_struct(fdt, fdt_off_dt_struct(fdt) + delta);
|
||||
fdt_set_off_dt_strings(fdt, fdt_off_dt_strings(fdt) + delta);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int _fdt_splice_struct(void *fdt, void *p,
|
||||
int oldlen, int newlen)
|
||||
{
|
||||
int delta = newlen - oldlen;
|
||||
int err;
|
||||
|
||||
err = _fdt_splice(fdt, p, oldlen, newlen);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
fdt_set_size_dt_struct(fdt, fdt_size_dt_struct(fdt) + delta);
|
||||
fdt_set_off_dt_strings(fdt, fdt_off_dt_strings(fdt) + delta);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int _fdt_splice_string(void *fdt, int newlen)
|
||||
{
|
||||
void *p = (char *)fdt
|
||||
+ fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt);
|
||||
int err;
|
||||
|
||||
err = _fdt_splice(fdt, p, 0, newlen);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
fdt_set_size_dt_strings(fdt, fdt_size_dt_strings(fdt) + newlen);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int _fdt_find_add_string(void *fdt, const char *s)
|
||||
{
|
||||
char *strtab = (char *)fdt + fdt_off_dt_strings(fdt);
|
||||
const char *p;
|
||||
char *new;
|
||||
int len = strlen(s) + 1;
|
||||
int err;
|
||||
|
||||
p = _fdt_find_string(strtab, fdt_size_dt_strings(fdt), s);
|
||||
if (p)
|
||||
/* found it */
|
||||
return (p - strtab);
|
||||
|
||||
new = strtab + fdt_size_dt_strings(fdt);
|
||||
err = _fdt_splice_string(fdt, len);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
memcpy(new, s, len);
|
||||
return (new - strtab);
|
||||
}
|
||||
|
||||
int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size)
|
||||
{
|
||||
struct fdt_reserve_entry *re;
|
||||
int err;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
re = _fdt_mem_rsv_w(fdt, fdt_num_mem_rsv(fdt));
|
||||
err = _fdt_splice_mem_rsv(fdt, re, 0, 1);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
re->address = cpu_to_fdt64(address);
|
||||
re->size = cpu_to_fdt64(size);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_del_mem_rsv(void *fdt, int n)
|
||||
{
|
||||
struct fdt_reserve_entry *re = _fdt_mem_rsv_w(fdt, n);
|
||||
int err;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
if (n >= fdt_num_mem_rsv(fdt))
|
||||
return -FDT_ERR_NOTFOUND;
|
||||
|
||||
err = _fdt_splice_mem_rsv(fdt, re, 1, 0);
|
||||
if (err)
|
||||
return err;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int _fdt_resize_property(void *fdt, int nodeoffset, const char *name,
|
||||
int len, struct fdt_property **prop)
|
||||
{
|
||||
int oldlen;
|
||||
int err;
|
||||
|
||||
*prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen);
|
||||
if (! (*prop))
|
||||
return oldlen;
|
||||
|
||||
err = _fdt_splice_struct(fdt, (*prop)->data, FDT_TAGALIGN(oldlen),
|
||||
FDT_TAGALIGN(len));
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
(*prop)->len = cpu_to_fdt32(len);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int _fdt_add_property(void *fdt, int nodeoffset, const char *name,
|
||||
int len, struct fdt_property **prop)
|
||||
{
|
||||
int proplen;
|
||||
int nextoffset;
|
||||
int namestroff;
|
||||
int err;
|
||||
|
||||
if ((nextoffset = _fdt_check_node_offset(fdt, nodeoffset)) < 0)
|
||||
return nextoffset;
|
||||
|
||||
namestroff = _fdt_find_add_string(fdt, name);
|
||||
if (namestroff < 0)
|
||||
return namestroff;
|
||||
|
||||
*prop = _fdt_offset_ptr_w(fdt, nextoffset);
|
||||
proplen = sizeof(**prop) + FDT_TAGALIGN(len);
|
||||
|
||||
err = _fdt_splice_struct(fdt, *prop, 0, proplen);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
(*prop)->tag = cpu_to_fdt32(FDT_PROP);
|
||||
(*prop)->nameoff = cpu_to_fdt32(namestroff);
|
||||
(*prop)->len = cpu_to_fdt32(len);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_set_name(void *fdt, int nodeoffset, const char *name)
|
||||
{
|
||||
char *namep;
|
||||
int oldlen, newlen;
|
||||
int err;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
namep = (char *)(uintptr_t)fdt_get_name(fdt, nodeoffset, &oldlen);
|
||||
if (!namep)
|
||||
return oldlen;
|
||||
|
||||
newlen = strlen(name);
|
||||
|
||||
err = _fdt_splice_struct(fdt, namep, FDT_TAGALIGN(oldlen+1),
|
||||
FDT_TAGALIGN(newlen+1));
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
memcpy(namep, name, newlen+1);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_setprop(void *fdt, int nodeoffset, const char *name,
|
||||
const void *val, int len)
|
||||
{
|
||||
struct fdt_property *prop;
|
||||
int err;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
err = _fdt_resize_property(fdt, nodeoffset, name, len, &prop);
|
||||
if (err == -FDT_ERR_NOTFOUND)
|
||||
err = _fdt_add_property(fdt, nodeoffset, name, len, &prop);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
memcpy(prop->data, val, len);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_appendprop(void *fdt, int nodeoffset, const char *name,
|
||||
const void *val, int len)
|
||||
{
|
||||
struct fdt_property *prop;
|
||||
int err, oldlen, newlen;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen);
|
||||
if (prop) {
|
||||
newlen = len + oldlen;
|
||||
err = _fdt_splice_struct(fdt, prop->data,
|
||||
FDT_TAGALIGN(oldlen),
|
||||
FDT_TAGALIGN(newlen));
|
||||
if (err)
|
||||
return err;
|
||||
prop->len = cpu_to_fdt32(newlen);
|
||||
memcpy(prop->data + oldlen, val, len);
|
||||
} else {
|
||||
err = _fdt_add_property(fdt, nodeoffset, name, len, &prop);
|
||||
if (err)
|
||||
return err;
|
||||
memcpy(prop->data, val, len);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_delprop(void *fdt, int nodeoffset, const char *name)
|
||||
{
|
||||
struct fdt_property *prop;
|
||||
int len, proplen;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
|
||||
if (! prop)
|
||||
return len;
|
||||
|
||||
proplen = sizeof(*prop) + FDT_TAGALIGN(len);
|
||||
return _fdt_splice_struct(fdt, prop, proplen, 0);
|
||||
}
|
||||
|
||||
int fdt_add_subnode_namelen(void *fdt, int parentoffset,
|
||||
const char *name, int namelen)
|
||||
{
|
||||
struct fdt_node_header *nh;
|
||||
int offset, nextoffset;
|
||||
int nodelen;
|
||||
int err;
|
||||
uint32_t tag;
|
||||
uint32_t *endtag;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
offset = fdt_subnode_offset_namelen(fdt, parentoffset, name, namelen);
|
||||
if (offset >= 0)
|
||||
return -FDT_ERR_EXISTS;
|
||||
else if (offset != -FDT_ERR_NOTFOUND)
|
||||
return offset;
|
||||
|
||||
/* Try to place the new node after the parent's properties */
|
||||
fdt_next_tag(fdt, parentoffset, &nextoffset); /* skip the BEGIN_NODE */
|
||||
do {
|
||||
offset = nextoffset;
|
||||
tag = fdt_next_tag(fdt, offset, &nextoffset);
|
||||
} while ((tag == FDT_PROP) || (tag == FDT_NOP));
|
||||
|
||||
nh = _fdt_offset_ptr_w(fdt, offset);
|
||||
nodelen = sizeof(*nh) + FDT_TAGALIGN(namelen+1) + FDT_TAGSIZE;
|
||||
|
||||
err = _fdt_splice_struct(fdt, nh, 0, nodelen);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
|
||||
memset(nh->name, 0, FDT_TAGALIGN(namelen+1));
|
||||
memcpy(nh->name, name, namelen);
|
||||
endtag = (uint32_t *)((char *)nh + nodelen - FDT_TAGSIZE);
|
||||
*endtag = cpu_to_fdt32(FDT_END_NODE);
|
||||
|
||||
return offset;
|
||||
}
|
||||
|
||||
int fdt_add_subnode(void *fdt, int parentoffset, const char *name)
|
||||
{
|
||||
return fdt_add_subnode_namelen(fdt, parentoffset, name, strlen(name));
|
||||
}
|
||||
|
||||
int fdt_del_node(void *fdt, int nodeoffset)
|
||||
{
|
||||
int endoffset;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
endoffset = _fdt_node_end_offset(fdt, nodeoffset);
|
||||
if (endoffset < 0)
|
||||
return endoffset;
|
||||
|
||||
return _fdt_splice_struct(fdt, _fdt_offset_ptr_w(fdt, nodeoffset),
|
||||
endoffset - nodeoffset, 0);
|
||||
}
|
||||
|
||||
static void _fdt_packblocks(const char *old, char *new,
|
||||
int mem_rsv_size, int struct_size)
|
||||
{
|
||||
int mem_rsv_off, struct_off, strings_off;
|
||||
|
||||
mem_rsv_off = FDT_ALIGN(sizeof(struct fdt_header), 8);
|
||||
struct_off = mem_rsv_off + mem_rsv_size;
|
||||
strings_off = struct_off + struct_size;
|
||||
|
||||
memmove(new + mem_rsv_off, old + fdt_off_mem_rsvmap(old), mem_rsv_size);
|
||||
fdt_set_off_mem_rsvmap(new, mem_rsv_off);
|
||||
|
||||
memmove(new + struct_off, old + fdt_off_dt_struct(old), struct_size);
|
||||
fdt_set_off_dt_struct(new, struct_off);
|
||||
fdt_set_size_dt_struct(new, struct_size);
|
||||
|
||||
memmove(new + strings_off, old + fdt_off_dt_strings(old),
|
||||
fdt_size_dt_strings(old));
|
||||
fdt_set_off_dt_strings(new, strings_off);
|
||||
fdt_set_size_dt_strings(new, fdt_size_dt_strings(old));
|
||||
}
|
||||
|
||||
int fdt_open_into(const void *fdt, void *buf, int bufsize)
|
||||
{
|
||||
int err;
|
||||
int mem_rsv_size, struct_size;
|
||||
int newsize;
|
||||
const char *fdtstart = fdt;
|
||||
const char *fdtend = fdtstart + fdt_totalsize(fdt);
|
||||
char *tmp;
|
||||
|
||||
FDT_CHECK_HEADER(fdt);
|
||||
|
||||
mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
|
||||
* sizeof(struct fdt_reserve_entry);
|
||||
|
||||
if (fdt_version(fdt) >= 17) {
|
||||
struct_size = fdt_size_dt_struct(fdt);
|
||||
} else {
|
||||
struct_size = 0;
|
||||
while (fdt_next_tag(fdt, struct_size, &struct_size) != FDT_END)
|
||||
;
|
||||
if (struct_size < 0)
|
||||
return struct_size;
|
||||
}
|
||||
|
||||
if (!_fdt_blocks_misordered(fdt, mem_rsv_size, struct_size)) {
|
||||
/* no further work necessary */
|
||||
err = fdt_move(fdt, buf, bufsize);
|
||||
if (err)
|
||||
return err;
|
||||
fdt_set_version(buf, 17);
|
||||
fdt_set_size_dt_struct(buf, struct_size);
|
||||
fdt_set_totalsize(buf, bufsize);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Need to reorder */
|
||||
newsize = FDT_ALIGN(sizeof(struct fdt_header), 8) + mem_rsv_size
|
||||
+ struct_size + fdt_size_dt_strings(fdt);
|
||||
|
||||
if (bufsize < newsize)
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
/* First attempt to build converted tree at beginning of buffer */
|
||||
tmp = buf;
|
||||
/* But if that overlaps with the old tree... */
|
||||
if (((tmp + newsize) > fdtstart) && (tmp < fdtend)) {
|
||||
/* Try right after the old tree instead */
|
||||
tmp = (char *)(uintptr_t)fdtend;
|
||||
if ((tmp + newsize) > ((char *)buf + bufsize))
|
||||
return -FDT_ERR_NOSPACE;
|
||||
}
|
||||
|
||||
_fdt_packblocks(fdt, tmp, mem_rsv_size, struct_size);
|
||||
memmove(buf, tmp, newsize);
|
||||
|
||||
fdt_set_magic(buf, FDT_MAGIC);
|
||||
fdt_set_totalsize(buf, bufsize);
|
||||
fdt_set_version(buf, 17);
|
||||
fdt_set_last_comp_version(buf, 16);
|
||||
fdt_set_boot_cpuid_phys(buf, fdt_boot_cpuid_phys(fdt));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_pack(void *fdt)
|
||||
{
|
||||
int mem_rsv_size;
|
||||
|
||||
FDT_RW_CHECK_HEADER(fdt);
|
||||
|
||||
mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
|
||||
* sizeof(struct fdt_reserve_entry);
|
||||
_fdt_packblocks(fdt, fdt, mem_rsv_size, fdt_size_dt_struct(fdt));
|
||||
fdt_set_totalsize(fdt, _fdt_data_size(fdt));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
@@ -1,96 +1,96 @@
|
||||
/*
|
||||
* 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"
|
||||
|
||||
struct fdt_errtabent {
|
||||
const char *str;
|
||||
};
|
||||
|
||||
#define FDT_ERRTABENT(val) \
|
||||
[(val)] = { .str = #val, }
|
||||
|
||||
static struct fdt_errtabent fdt_errtable[] = {
|
||||
FDT_ERRTABENT(FDT_ERR_NOTFOUND),
|
||||
FDT_ERRTABENT(FDT_ERR_EXISTS),
|
||||
FDT_ERRTABENT(FDT_ERR_NOSPACE),
|
||||
|
||||
FDT_ERRTABENT(FDT_ERR_BADOFFSET),
|
||||
FDT_ERRTABENT(FDT_ERR_BADPATH),
|
||||
FDT_ERRTABENT(FDT_ERR_BADSTATE),
|
||||
|
||||
FDT_ERRTABENT(FDT_ERR_TRUNCATED),
|
||||
FDT_ERRTABENT(FDT_ERR_BADMAGIC),
|
||||
FDT_ERRTABENT(FDT_ERR_BADVERSION),
|
||||
FDT_ERRTABENT(FDT_ERR_BADSTRUCTURE),
|
||||
FDT_ERRTABENT(FDT_ERR_BADLAYOUT),
|
||||
};
|
||||
#define FDT_ERRTABSIZE (sizeof(fdt_errtable) / sizeof(fdt_errtable[0]))
|
||||
|
||||
const char *fdt_strerror(int errval)
|
||||
{
|
||||
if (errval > 0)
|
||||
return "<valid offset/length>";
|
||||
else if (errval == 0)
|
||||
return "<no error>";
|
||||
else if (errval > -FDT_ERRTABSIZE) {
|
||||
const char *s = fdt_errtable[-errval].str;
|
||||
|
||||
if (s)
|
||||
return s;
|
||||
}
|
||||
|
||||
return "<unknown error>";
|
||||
}
|
||||
/*
|
||||
* 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"
|
||||
|
||||
struct fdt_errtabent {
|
||||
const char *str;
|
||||
};
|
||||
|
||||
#define FDT_ERRTABENT(val) \
|
||||
[(val)] = { .str = #val, }
|
||||
|
||||
static struct fdt_errtabent fdt_errtable[] = {
|
||||
FDT_ERRTABENT(FDT_ERR_NOTFOUND),
|
||||
FDT_ERRTABENT(FDT_ERR_EXISTS),
|
||||
FDT_ERRTABENT(FDT_ERR_NOSPACE),
|
||||
|
||||
FDT_ERRTABENT(FDT_ERR_BADOFFSET),
|
||||
FDT_ERRTABENT(FDT_ERR_BADPATH),
|
||||
FDT_ERRTABENT(FDT_ERR_BADSTATE),
|
||||
|
||||
FDT_ERRTABENT(FDT_ERR_TRUNCATED),
|
||||
FDT_ERRTABENT(FDT_ERR_BADMAGIC),
|
||||
FDT_ERRTABENT(FDT_ERR_BADVERSION),
|
||||
FDT_ERRTABENT(FDT_ERR_BADSTRUCTURE),
|
||||
FDT_ERRTABENT(FDT_ERR_BADLAYOUT),
|
||||
};
|
||||
#define FDT_ERRTABSIZE (sizeof(fdt_errtable) / sizeof(fdt_errtable[0]))
|
||||
|
||||
const char *fdt_strerror(int errval)
|
||||
{
|
||||
if (errval > 0)
|
||||
return "<valid offset/length>";
|
||||
else if (errval == 0)
|
||||
return "<no error>";
|
||||
else if (errval > -FDT_ERRTABSIZE) {
|
||||
const char *s = fdt_errtable[-errval].str;
|
||||
|
||||
if (s)
|
||||
return s;
|
||||
}
|
||||
|
||||
return "<unknown error>";
|
||||
}
|
||||
|
@@ -1,256 +1,256 @@
|
||||
/*
|
||||
* 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"
|
||||
|
||||
static int _fdt_sw_check_header(void *fdt)
|
||||
{
|
||||
if (fdt_magic(fdt) != FDT_SW_MAGIC)
|
||||
return -FDT_ERR_BADMAGIC;
|
||||
/* FIXME: should check more details about the header state */
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define FDT_SW_CHECK_HEADER(fdt) \
|
||||
{ \
|
||||
int err; \
|
||||
if ((err = _fdt_sw_check_header(fdt)) != 0) \
|
||||
return err; \
|
||||
}
|
||||
|
||||
static void *_fdt_grab_space(void *fdt, size_t len)
|
||||
{
|
||||
int offset = fdt_size_dt_struct(fdt);
|
||||
int spaceleft;
|
||||
|
||||
spaceleft = fdt_totalsize(fdt) - fdt_off_dt_struct(fdt)
|
||||
- fdt_size_dt_strings(fdt);
|
||||
|
||||
if ((offset + len < offset) || (offset + len > spaceleft))
|
||||
return NULL;
|
||||
|
||||
fdt_set_size_dt_struct(fdt, offset + len);
|
||||
return _fdt_offset_ptr_w(fdt, offset);
|
||||
}
|
||||
|
||||
int fdt_create(void *buf, int bufsize)
|
||||
{
|
||||
void *fdt = buf;
|
||||
|
||||
if (bufsize < sizeof(struct fdt_header))
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
memset(buf, 0, bufsize);
|
||||
|
||||
fdt_set_magic(fdt, 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_off_mem_rsvmap(fdt, 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;
|
||||
}
|
||||
|
||||
int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size)
|
||||
{
|
||||
struct fdt_reserve_entry *re;
|
||||
int offset;
|
||||
|
||||
FDT_SW_CHECK_HEADER(fdt);
|
||||
|
||||
if (fdt_size_dt_struct(fdt))
|
||||
return -FDT_ERR_BADSTATE;
|
||||
|
||||
offset = fdt_off_dt_struct(fdt);
|
||||
if ((offset + sizeof(*re)) > fdt_totalsize(fdt))
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
re = (struct fdt_reserve_entry *)((char *)fdt + offset);
|
||||
re->address = cpu_to_fdt64(addr);
|
||||
re->size = cpu_to_fdt64(size);
|
||||
|
||||
fdt_set_off_dt_struct(fdt, offset + sizeof(*re));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_finish_reservemap(void *fdt)
|
||||
{
|
||||
return fdt_add_reservemap_entry(fdt, 0, 0);
|
||||
}
|
||||
|
||||
int fdt_begin_node(void *fdt, const char *name)
|
||||
{
|
||||
struct fdt_node_header *nh;
|
||||
int namelen = strlen(name) + 1;
|
||||
|
||||
FDT_SW_CHECK_HEADER(fdt);
|
||||
|
||||
nh = _fdt_grab_space(fdt, sizeof(*nh) + FDT_TAGALIGN(namelen));
|
||||
if (! nh)
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
|
||||
memcpy(nh->name, name, namelen);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_end_node(void *fdt)
|
||||
{
|
||||
uint32_t *en;
|
||||
|
||||
FDT_SW_CHECK_HEADER(fdt);
|
||||
|
||||
en = _fdt_grab_space(fdt, FDT_TAGSIZE);
|
||||
if (! en)
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
*en = cpu_to_fdt32(FDT_END_NODE);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int _fdt_find_add_string(void *fdt, const char *s)
|
||||
{
|
||||
char *strtab = (char *)fdt + fdt_totalsize(fdt);
|
||||
const char *p;
|
||||
int strtabsize = fdt_size_dt_strings(fdt);
|
||||
int len = strlen(s) + 1;
|
||||
int struct_top, offset;
|
||||
|
||||
p = _fdt_find_string(strtab - strtabsize, strtabsize, s);
|
||||
if (p)
|
||||
return p - strtab;
|
||||
|
||||
/* Add it */
|
||||
offset = -strtabsize - len;
|
||||
struct_top = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
|
||||
if (fdt_totalsize(fdt) + offset < struct_top)
|
||||
return 0; /* no more room :( */
|
||||
|
||||
memcpy(strtab + offset, s, 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 nameoff;
|
||||
|
||||
FDT_SW_CHECK_HEADER(fdt);
|
||||
|
||||
nameoff = _fdt_find_add_string(fdt, name);
|
||||
if (nameoff == 0)
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
prop = _fdt_grab_space(fdt, sizeof(*prop) + FDT_TAGALIGN(len));
|
||||
if (! prop)
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
prop->tag = cpu_to_fdt32(FDT_PROP);
|
||||
prop->nameoff = cpu_to_fdt32(nameoff);
|
||||
prop->len = cpu_to_fdt32(len);
|
||||
memcpy(prop->data, val, len);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_finish(void *fdt)
|
||||
{
|
||||
char *p = (char *)fdt;
|
||||
uint32_t *end;
|
||||
int oldstroffset, newstroffset;
|
||||
uint32_t tag;
|
||||
int offset, nextoffset;
|
||||
|
||||
FDT_SW_CHECK_HEADER(fdt);
|
||||
|
||||
/* Add terminator */
|
||||
end = _fdt_grab_space(fdt, sizeof(*end));
|
||||
if (! end)
|
||||
return -FDT_ERR_NOSPACE;
|
||||
*end = cpu_to_fdt32(FDT_END);
|
||||
|
||||
/* Relocate the string table */
|
||||
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_off_dt_strings(fdt, newstroffset);
|
||||
|
||||
/* Walk the structure, correcting string offsets */
|
||||
offset = 0;
|
||||
while ((tag = fdt_next_tag(fdt, offset, &nextoffset)) != FDT_END) {
|
||||
if (tag == FDT_PROP) {
|
||||
struct fdt_property *prop =
|
||||
_fdt_offset_ptr_w(fdt, offset);
|
||||
int nameoff;
|
||||
|
||||
nameoff = fdt32_to_cpu(prop->nameoff);
|
||||
nameoff += fdt_size_dt_strings(fdt);
|
||||
prop->nameoff = cpu_to_fdt32(nameoff);
|
||||
}
|
||||
offset = nextoffset;
|
||||
}
|
||||
if (nextoffset < 0)
|
||||
return nextoffset;
|
||||
|
||||
/* Finally, adjust the header */
|
||||
fdt_set_totalsize(fdt, newstroffset + fdt_size_dt_strings(fdt));
|
||||
fdt_set_magic(fdt, FDT_MAGIC);
|
||||
return 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"
|
||||
|
||||
static int _fdt_sw_check_header(void *fdt)
|
||||
{
|
||||
if (fdt_magic(fdt) != FDT_SW_MAGIC)
|
||||
return -FDT_ERR_BADMAGIC;
|
||||
/* FIXME: should check more details about the header state */
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define FDT_SW_CHECK_HEADER(fdt) \
|
||||
{ \
|
||||
int err; \
|
||||
if ((err = _fdt_sw_check_header(fdt)) != 0) \
|
||||
return err; \
|
||||
}
|
||||
|
||||
static void *_fdt_grab_space(void *fdt, size_t len)
|
||||
{
|
||||
int offset = fdt_size_dt_struct(fdt);
|
||||
int spaceleft;
|
||||
|
||||
spaceleft = fdt_totalsize(fdt) - fdt_off_dt_struct(fdt)
|
||||
- fdt_size_dt_strings(fdt);
|
||||
|
||||
if ((offset + len < offset) || (offset + len > spaceleft))
|
||||
return NULL;
|
||||
|
||||
fdt_set_size_dt_struct(fdt, offset + len);
|
||||
return _fdt_offset_ptr_w(fdt, offset);
|
||||
}
|
||||
|
||||
int fdt_create(void *buf, int bufsize)
|
||||
{
|
||||
void *fdt = buf;
|
||||
|
||||
if (bufsize < sizeof(struct fdt_header))
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
memset(buf, 0, bufsize);
|
||||
|
||||
fdt_set_magic(fdt, 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_off_mem_rsvmap(fdt, 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;
|
||||
}
|
||||
|
||||
int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size)
|
||||
{
|
||||
struct fdt_reserve_entry *re;
|
||||
int offset;
|
||||
|
||||
FDT_SW_CHECK_HEADER(fdt);
|
||||
|
||||
if (fdt_size_dt_struct(fdt))
|
||||
return -FDT_ERR_BADSTATE;
|
||||
|
||||
offset = fdt_off_dt_struct(fdt);
|
||||
if ((offset + sizeof(*re)) > fdt_totalsize(fdt))
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
re = (struct fdt_reserve_entry *)((char *)fdt + offset);
|
||||
re->address = cpu_to_fdt64(addr);
|
||||
re->size = cpu_to_fdt64(size);
|
||||
|
||||
fdt_set_off_dt_struct(fdt, offset + sizeof(*re));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_finish_reservemap(void *fdt)
|
||||
{
|
||||
return fdt_add_reservemap_entry(fdt, 0, 0);
|
||||
}
|
||||
|
||||
int fdt_begin_node(void *fdt, const char *name)
|
||||
{
|
||||
struct fdt_node_header *nh;
|
||||
int namelen = strlen(name) + 1;
|
||||
|
||||
FDT_SW_CHECK_HEADER(fdt);
|
||||
|
||||
nh = _fdt_grab_space(fdt, sizeof(*nh) + FDT_TAGALIGN(namelen));
|
||||
if (! nh)
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
|
||||
memcpy(nh->name, name, namelen);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_end_node(void *fdt)
|
||||
{
|
||||
uint32_t *en;
|
||||
|
||||
FDT_SW_CHECK_HEADER(fdt);
|
||||
|
||||
en = _fdt_grab_space(fdt, FDT_TAGSIZE);
|
||||
if (! en)
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
*en = cpu_to_fdt32(FDT_END_NODE);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int _fdt_find_add_string(void *fdt, const char *s)
|
||||
{
|
||||
char *strtab = (char *)fdt + fdt_totalsize(fdt);
|
||||
const char *p;
|
||||
int strtabsize = fdt_size_dt_strings(fdt);
|
||||
int len = strlen(s) + 1;
|
||||
int struct_top, offset;
|
||||
|
||||
p = _fdt_find_string(strtab - strtabsize, strtabsize, s);
|
||||
if (p)
|
||||
return p - strtab;
|
||||
|
||||
/* Add it */
|
||||
offset = -strtabsize - len;
|
||||
struct_top = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
|
||||
if (fdt_totalsize(fdt) + offset < struct_top)
|
||||
return 0; /* no more room :( */
|
||||
|
||||
memcpy(strtab + offset, s, 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 nameoff;
|
||||
|
||||
FDT_SW_CHECK_HEADER(fdt);
|
||||
|
||||
nameoff = _fdt_find_add_string(fdt, name);
|
||||
if (nameoff == 0)
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
prop = _fdt_grab_space(fdt, sizeof(*prop) + FDT_TAGALIGN(len));
|
||||
if (! prop)
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
prop->tag = cpu_to_fdt32(FDT_PROP);
|
||||
prop->nameoff = cpu_to_fdt32(nameoff);
|
||||
prop->len = cpu_to_fdt32(len);
|
||||
memcpy(prop->data, val, len);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int fdt_finish(void *fdt)
|
||||
{
|
||||
char *p = (char *)fdt;
|
||||
uint32_t *end;
|
||||
int oldstroffset, newstroffset;
|
||||
uint32_t tag;
|
||||
int offset, nextoffset;
|
||||
|
||||
FDT_SW_CHECK_HEADER(fdt);
|
||||
|
||||
/* Add terminator */
|
||||
end = _fdt_grab_space(fdt, sizeof(*end));
|
||||
if (! end)
|
||||
return -FDT_ERR_NOSPACE;
|
||||
*end = cpu_to_fdt32(FDT_END);
|
||||
|
||||
/* Relocate the string table */
|
||||
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_off_dt_strings(fdt, newstroffset);
|
||||
|
||||
/* Walk the structure, correcting string offsets */
|
||||
offset = 0;
|
||||
while ((tag = fdt_next_tag(fdt, offset, &nextoffset)) != FDT_END) {
|
||||
if (tag == FDT_PROP) {
|
||||
struct fdt_property *prop =
|
||||
_fdt_offset_ptr_w(fdt, offset);
|
||||
int nameoff;
|
||||
|
||||
nameoff = fdt32_to_cpu(prop->nameoff);
|
||||
nameoff += fdt_size_dt_strings(fdt);
|
||||
prop->nameoff = cpu_to_fdt32(nameoff);
|
||||
}
|
||||
offset = nextoffset;
|
||||
}
|
||||
if (nextoffset < 0)
|
||||
return nextoffset;
|
||||
|
||||
/* Finally, adjust the header */
|
||||
fdt_set_totalsize(fdt, newstroffset + fdt_size_dt_strings(fdt));
|
||||
fdt_set_magic(fdt, FDT_MAGIC);
|
||||
return 0;
|
||||
}
|
||||
|
@@ -1,118 +1,118 @@
|
||||
/*
|
||||
* 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_setprop_inplace(void *fdt, int nodeoffset, const char *name,
|
||||
const void *val, int len)
|
||||
{
|
||||
void *propval;
|
||||
int proplen;
|
||||
|
||||
propval = fdt_getprop_w(fdt, nodeoffset, name, &proplen);
|
||||
if (! propval)
|
||||
return proplen;
|
||||
|
||||
if (proplen != len)
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
memcpy(propval, val, len);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void _fdt_nop_region(void *start, int len)
|
||||
{
|
||||
uint32_t *p;
|
||||
|
||||
for (p = start; (char *)p < ((char *)start + len); p++)
|
||||
*p = cpu_to_fdt32(FDT_NOP);
|
||||
}
|
||||
|
||||
int fdt_nop_property(void *fdt, int nodeoffset, const char *name)
|
||||
{
|
||||
struct fdt_property *prop;
|
||||
int len;
|
||||
|
||||
prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
|
||||
if (! prop)
|
||||
return len;
|
||||
|
||||
_fdt_nop_region(prop, len + sizeof(*prop));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int _fdt_node_end_offset(void *fdt, int offset)
|
||||
{
|
||||
int depth = 0;
|
||||
|
||||
while ((offset >= 0) && (depth >= 0))
|
||||
offset = fdt_next_node(fdt, offset, &depth);
|
||||
|
||||
return offset;
|
||||
}
|
||||
|
||||
int fdt_nop_node(void *fdt, int nodeoffset)
|
||||
{
|
||||
int endoffset;
|
||||
|
||||
endoffset = _fdt_node_end_offset(fdt, nodeoffset);
|
||||
if (endoffset < 0)
|
||||
return endoffset;
|
||||
|
||||
_fdt_nop_region(fdt_offset_ptr_w(fdt, nodeoffset, 0),
|
||||
endoffset - nodeoffset);
|
||||
return 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_setprop_inplace(void *fdt, int nodeoffset, const char *name,
|
||||
const void *val, int len)
|
||||
{
|
||||
void *propval;
|
||||
int proplen;
|
||||
|
||||
propval = fdt_getprop_w(fdt, nodeoffset, name, &proplen);
|
||||
if (! propval)
|
||||
return proplen;
|
||||
|
||||
if (proplen != len)
|
||||
return -FDT_ERR_NOSPACE;
|
||||
|
||||
memcpy(propval, val, len);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void _fdt_nop_region(void *start, int len)
|
||||
{
|
||||
uint32_t *p;
|
||||
|
||||
for (p = start; (char *)p < ((char *)start + len); p++)
|
||||
*p = cpu_to_fdt32(FDT_NOP);
|
||||
}
|
||||
|
||||
int fdt_nop_property(void *fdt, int nodeoffset, const char *name)
|
||||
{
|
||||
struct fdt_property *prop;
|
||||
int len;
|
||||
|
||||
prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
|
||||
if (! prop)
|
||||
return len;
|
||||
|
||||
_fdt_nop_region(prop, len + sizeof(*prop));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int _fdt_node_end_offset(void *fdt, int offset)
|
||||
{
|
||||
int depth = 0;
|
||||
|
||||
while ((offset >= 0) && (depth >= 0))
|
||||
offset = fdt_next_node(fdt, offset, &depth);
|
||||
|
||||
return offset;
|
||||
}
|
||||
|
||||
int fdt_nop_node(void *fdt, int nodeoffset)
|
||||
{
|
||||
int endoffset;
|
||||
|
||||
endoffset = _fdt_node_end_offset(fdt, nodeoffset);
|
||||
if (endoffset < 0)
|
||||
return endoffset;
|
||||
|
||||
_fdt_nop_region(fdt_offset_ptr_w(fdt, nodeoffset, 0),
|
||||
endoffset - nodeoffset);
|
||||
return 0;
|
||||
}
|
||||
|
@@ -1,95 +1,95 @@
|
||||
#ifndef _LIBFDT_INTERNAL_H
|
||||
#define _LIBFDT_INTERNAL_H
|
||||
/*
|
||||
* 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 <fdt.h>
|
||||
|
||||
#define FDT_ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
|
||||
#define FDT_TAGALIGN(x) (FDT_ALIGN((x), FDT_TAGSIZE))
|
||||
|
||||
#define FDT_CHECK_HEADER(fdt) \
|
||||
{ \
|
||||
int err; \
|
||||
if ((err = fdt_check_header(fdt)) != 0) \
|
||||
return err; \
|
||||
}
|
||||
|
||||
int _fdt_check_node_offset(const void *fdt, int offset);
|
||||
int _fdt_check_prop_offset(const void *fdt, int offset);
|
||||
const char *_fdt_find_string(const char *strtab, int tabsize, const char *s);
|
||||
int _fdt_node_end_offset(void *fdt, int nodeoffset);
|
||||
|
||||
static inline const void *_fdt_offset_ptr(const void *fdt, int offset)
|
||||
{
|
||||
return (const char *)fdt + fdt_off_dt_struct(fdt) + offset;
|
||||
}
|
||||
|
||||
static inline void *_fdt_offset_ptr_w(void *fdt, int offset)
|
||||
{
|
||||
return (void *)(uintptr_t)_fdt_offset_ptr(fdt, offset);
|
||||
}
|
||||
|
||||
static inline const struct fdt_reserve_entry *_fdt_mem_rsv(const void *fdt, int n)
|
||||
{
|
||||
const struct fdt_reserve_entry *rsv_table =
|
||||
(const struct fdt_reserve_entry *)
|
||||
((const char *)fdt + fdt_off_mem_rsvmap(fdt));
|
||||
|
||||
return rsv_table + n;
|
||||
}
|
||||
static inline struct fdt_reserve_entry *_fdt_mem_rsv_w(void *fdt, int n)
|
||||
{
|
||||
return (void *)(uintptr_t)_fdt_mem_rsv(fdt, n);
|
||||
}
|
||||
|
||||
#define FDT_SW_MAGIC (~FDT_MAGIC)
|
||||
|
||||
#endif /* _LIBFDT_INTERNAL_H */
|
||||
#ifndef _LIBFDT_INTERNAL_H
|
||||
#define _LIBFDT_INTERNAL_H
|
||||
/*
|
||||
* 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 <fdt.h>
|
||||
|
||||
#define FDT_ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
|
||||
#define FDT_TAGALIGN(x) (FDT_ALIGN((x), FDT_TAGSIZE))
|
||||
|
||||
#define FDT_CHECK_HEADER(fdt) \
|
||||
{ \
|
||||
int err; \
|
||||
if ((err = fdt_check_header(fdt)) != 0) \
|
||||
return err; \
|
||||
}
|
||||
|
||||
int _fdt_check_node_offset(const void *fdt, int offset);
|
||||
int _fdt_check_prop_offset(const void *fdt, int offset);
|
||||
const char *_fdt_find_string(const char *strtab, int tabsize, const char *s);
|
||||
int _fdt_node_end_offset(void *fdt, int nodeoffset);
|
||||
|
||||
static inline const void *_fdt_offset_ptr(const void *fdt, int offset)
|
||||
{
|
||||
return (const char *)fdt + fdt_off_dt_struct(fdt) + offset;
|
||||
}
|
||||
|
||||
static inline void *_fdt_offset_ptr_w(void *fdt, int offset)
|
||||
{
|
||||
return (void *)(uintptr_t)_fdt_offset_ptr(fdt, offset);
|
||||
}
|
||||
|
||||
static inline const struct fdt_reserve_entry *_fdt_mem_rsv(const void *fdt, int n)
|
||||
{
|
||||
const struct fdt_reserve_entry *rsv_table =
|
||||
(const struct fdt_reserve_entry *)
|
||||
((const char *)fdt + fdt_off_mem_rsvmap(fdt));
|
||||
|
||||
return rsv_table + n;
|
||||
}
|
||||
static inline struct fdt_reserve_entry *_fdt_mem_rsv_w(void *fdt, int n)
|
||||
{
|
||||
return (void *)(uintptr_t)_fdt_mem_rsv(fdt, n);
|
||||
}
|
||||
|
||||
#define FDT_SW_MAGIC (~FDT_MAGIC)
|
||||
|
||||
#endif /* _LIBFDT_INTERNAL_H */
|
||||
|
Reference in New Issue
Block a user