EmbeddedPkg: delete ancient libfdt semi-integration

With all in-tree users migrated, finally delete this.
Any out-of-tree users need to migrate to MdePkg BaseFdtLib.

Signed-off-by: Leif Lindholm <leif.lindholm@oss.qualcomm.com>
This commit is contained in:
Leif Lindholm 2025-05-29 16:55:28 +01:00 committed by mergify[bot]
parent 95f1b10aad
commit 030d01f800
20 changed files with 0 additions and 6895 deletions

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@ -224,7 +224,6 @@
EmbeddedPkg/Library/AcpiLib/AcpiLib.inf
EmbeddedPkg/Library/DebugAgentTimerLibNull/DebugAgentTimerLibNull.inf
EmbeddedPkg/Library/FdtLib/FdtLib.inf
EmbeddedPkg/Library/PrePiHobLib/PrePiHobLib.inf
EmbeddedPkg/Library/PrePiMemoryAllocationLib/PrePiMemoryAllocationLib.inf

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@ -1,112 +0,0 @@
#ifndef _FDT_H
#define _FDT_H
/*
* libfdt - Flat Device Tree manipulation
* Copyright (C) 2006 David Gibson, IBM Corporation.
* Copyright 2012 Kim Phillips, Freescale Semiconductor.
*
* 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.
*/
#ifndef __ASSEMBLY__
struct fdt_header {
fdt32_t magic; /* magic word FDT_MAGIC */
fdt32_t totalsize; /* total size of DT block */
fdt32_t off_dt_struct; /* offset to structure */
fdt32_t off_dt_strings; /* offset to strings */
fdt32_t off_mem_rsvmap; /* offset to memory reserve map */
fdt32_t version; /* format version */
fdt32_t last_comp_version; /* last compatible version */
/* version 2 fields below */
fdt32_t boot_cpuid_phys; /* Which physical CPU id we're
booting on */
/* version 3 fields below */
fdt32_t size_dt_strings; /* size of the strings block */
/* version 17 fields below */
fdt32_t size_dt_struct; /* size of the structure block */
};
struct fdt_reserve_entry {
fdt64_t address;
fdt64_t size;
};
struct fdt_node_header {
fdt32_t tag;
char name[0];
};
struct fdt_property {
fdt32_t tag;
fdt32_t len;
fdt32_t nameoff;
char data[0];
};
#endif /* !__ASSEMBLY */
#define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */
#define FDT_TAGSIZE sizeof(fdt32_t)
#define FDT_BEGIN_NODE 0x1 /* Start node: full name */
#define FDT_END_NODE 0x2 /* End node */
#define FDT_PROP 0x3 /* Property: name off,
size, content */
#define FDT_NOP 0x4 /* nop */
#define FDT_END 0x9
#define FDT_V1_SIZE (7*sizeof(fdt32_t))
#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(fdt32_t))
#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(fdt32_t))
#define FDT_V16_SIZE FDT_V3_SIZE
#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(fdt32_t))
#endif /* _FDT_H */

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@ -1,165 +0,0 @@
/** @file
*
* Copyright (c) 2011-2014, ARM Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*
**/
#ifndef _LIBFDT_ENV_H
#define _LIBFDT_ENV_H
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
typedef UINT16 fdt16_t;
typedef UINT32 fdt32_t;
typedef UINT64 fdt64_t;
typedef UINT8 uint8_t;
typedef UINT16 uint16_t;
typedef UINT32 uint32_t;
typedef UINT64 uint64_t;
typedef UINTN uintptr_t;
typedef UINTN size_t;
static inline uint16_t
fdt16_to_cpu (
fdt16_t x
)
{
return SwapBytes16 (x);
}
#define cpu_to_fdt16(x) fdt16_to_cpu(x)
static inline uint32_t
fdt32_to_cpu (
fdt32_t x
)
{
return SwapBytes32 (x);
}
#define cpu_to_fdt32(x) fdt32_to_cpu(x)
static inline uint64_t
fdt64_to_cpu (
fdt64_t x
)
{
return SwapBytes64 (x);
}
#define cpu_to_fdt64(x) fdt64_to_cpu(x)
static inline void *
memcpy (
void *dest,
const void *src,
size_t len
)
{
return CopyMem (dest, src, len);
}
static inline void *
memmove (
void *dest,
const void *src,
size_t n
)
{
return CopyMem (dest, src, n);
}
static inline void *
memset (
void *s,
int c,
size_t n
)
{
return SetMem (s, n, c);
}
static inline int
memcmp (
const void *dest,
const void *src,
int len
)
{
return CompareMem (dest, src, len);
}
static inline void *
memchr (
const void *s,
int c,
size_t n
)
{
return ScanMem8 (s, n, c);
}
static inline size_t
strlen (
const char *str
)
{
return AsciiStrLen (str);
}
static inline char *
strchr (
const char *s,
int c
)
{
char pattern[2];
pattern[0] = c;
pattern[1] = 0;
return AsciiStrStr (s, pattern);
}
static inline size_t
strnlen (
const char *str,
size_t strsz
)
{
return AsciiStrnLenS (str, strsz);
}
static inline size_t
strcmp (
const char *str1,
const char *str2
)
{
return AsciiStrCmp (str1, str2);
}
static inline size_t
strncmp (
const char *str1,
const char *str2,
size_t strsz
)
{
return AsciiStrnCmp (str1, str2, strsz);
}
static inline size_t
strncpy (
char *dest,
const char *source,
size_t dest_max
)
{
return AsciiStrCpyS (dest, dest_max, source);
}
#endif /* _LIBFDT_ENV_H */

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@ -1,41 +0,0 @@
#/* @file
# Copyright (c) 2011-2014, ARM Limited. All rights reserved.
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
#*/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = FdtLib
FILE_GUID = 6b2478c0-be23-11e0-a28c-0002a5d5c51b
MODULE_TYPE = BASE
VERSION_STRING = 1.0
LIBRARY_CLASS = FdtLib
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = ARM AARCH64
#
[Sources]
libfdt_internal.h
fdt_empty_tree.c
fdt_overlay.c
fdt_ro.c
fdt_rw.c
fdt_strerror.c
fdt_strtoul.c
fdt_sw.c
fdt_wip.c
fdt.c
fdt_addresses.c
[Packages]
MdePkg/MdePkg.dec
EmbeddedPkg/EmbeddedPkg.dec
[LibraryClasses]
BaseLib
DebugLib

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@ -1,11 +0,0 @@
# Makefile.libfdt
#
# This is not a complete Makefile of itself. Instead, it is designed to
# be easily embeddable into other systems of Makefiles.
#
LIBFDT_soname = libfdt.$(SHAREDLIB_EXT).1
LIBFDT_INCLUDES = fdt.h libfdt.h libfdt_env.h
LIBFDT_VERSION = version.lds
LIBFDT_SRCS = fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c fdt_empty_tree.c \
fdt_addresses.c
LIBFDT_OBJS = $(LIBFDT_SRCS:%.c=%.o)

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@ -1,3 +0,0 @@
- Tree traversal functions
- Graft function
- Complete libfdt.h documenting comments

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@ -1,330 +0,0 @@
/*
* libfdt - Flat Device Tree manipulation
* Copyright (C) 2006 David Gibson, IBM Corporation.
*
* libfdt is dual licensed: you can use it either under the terms of
* the GPL, or the BSD license, at your option.
*
* a) This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*
* Alternatively,
*
* b) Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "libfdt_env.h"
#include <fdt.h>
#include <libfdt.h>
#include "libfdt_internal.h"
int
fdt_check_header (
const void *fdt
)
{
if (fdt_magic (fdt) == FDT_MAGIC) {
/* Complete tree */
if (fdt_version (fdt) < FDT_FIRST_SUPPORTED_VERSION) {
return -FDT_ERR_BADVERSION;
}
if (fdt_last_comp_version (fdt) > FDT_LAST_SUPPORTED_VERSION) {
return -FDT_ERR_BADVERSION;
}
} else if (fdt_magic (fdt) == FDT_SW_MAGIC) {
/* Unfinished sequential-write blob */
if (fdt_size_dt_struct (fdt) == 0) {
return -FDT_ERR_BADSTATE;
}
} else {
return -FDT_ERR_BADMAGIC;
}
return 0;
}
const void *
fdt_offset_ptr (
const void *fdt,
int offset,
unsigned int len
)
{
unsigned absoffset = offset + fdt_off_dt_struct (fdt);
if ( (absoffset < offset)
|| ((absoffset + len) < absoffset)
|| ((absoffset + len) > fdt_totalsize (fdt)))
{
return NULL;
}
if (fdt_version (fdt) >= 0x11) {
if ( ((offset + len) < offset)
|| ((offset + len) > fdt_size_dt_struct (fdt)))
{
return NULL;
}
}
return _fdt_offset_ptr (fdt, offset);
}
uint32_t
fdt_next_tag (
const void *fdt,
int startoffset,
int *nextoffset
)
{
const fdt32_t *tagp, *lenp;
uint32_t tag;
int offset = startoffset;
const char *p;
*nextoffset = -FDT_ERR_TRUNCATED;
tagp = fdt_offset_ptr (fdt, offset, FDT_TAGSIZE);
if (!tagp) {
return FDT_END; /* premature end */
}
tag = fdt32_to_cpu (*tagp);
offset += FDT_TAGSIZE;
*nextoffset = -FDT_ERR_BADSTRUCTURE;
switch (tag) {
case FDT_BEGIN_NODE:
/* skip name */
do {
p = fdt_offset_ptr (fdt, offset++, 1);
} while (p && (*p != '\0'));
if (!p) {
return FDT_END; /* premature end */
}
break;
case FDT_PROP:
lenp = fdt_offset_ptr (fdt, offset, sizeof (*lenp));
if (!lenp) {
return FDT_END; /* premature end */
}
/* skip-name offset, length and value */
offset += sizeof (struct fdt_property) - FDT_TAGSIZE
+ fdt32_to_cpu (*lenp);
break;
case FDT_END:
case FDT_END_NODE:
case FDT_NOP:
break;
default:
return FDT_END;
}
if (!fdt_offset_ptr (fdt, startoffset, offset - startoffset)) {
return FDT_END; /* premature end */
}
*nextoffset = FDT_TAGALIGN (offset);
return tag;
}
int
_fdt_check_node_offset (
const void *fdt,
int offset
)
{
if ( (offset < 0) || (offset % FDT_TAGSIZE)
|| (fdt_next_tag (fdt, offset, &offset) != FDT_BEGIN_NODE))
{
return -FDT_ERR_BADOFFSET;
}
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;
}
int
fdt_first_subnode (
const void *fdt,
int offset
)
{
int depth = 0;
offset = fdt_next_node (fdt, offset, &depth);
if ((offset < 0) || (depth != 1)) {
return -FDT_ERR_NOTFOUND;
}
return offset;
}
int
fdt_next_subnode (
const void *fdt,
int offset
)
{
int depth = 1;
/*
* With respect to the parent, the depth of the next subnode will be
* the same as the last.
*/
do {
offset = fdt_next_node (fdt, offset, &depth);
if ((offset < 0) || (depth < 1)) {
return -FDT_ERR_NOTFOUND;
}
} while (depth > 1);
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;
}

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@ -1,110 +0,0 @@
/*
* libfdt - Flat Device Tree manipulation
* Copyright (C) 2014 David Gibson <david@gibson.dropbear.id.au>
*
* 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_address_cells (
const void *fdt,
int nodeoffset
)
{
const fdt32_t *ac;
int val;
int len;
ac = fdt_getprop (fdt, nodeoffset, "#address-cells", &len);
if (!ac) {
return 2;
}
if (len != sizeof (*ac)) {
return -FDT_ERR_BADNCELLS;
}
val = fdt32_to_cpu (*ac);
if ((val <= 0) || (val > FDT_MAX_NCELLS)) {
return -FDT_ERR_BADNCELLS;
}
return val;
}
int
fdt_size_cells (
const void *fdt,
int nodeoffset
)
{
const fdt32_t *sc;
int val;
int len;
sc = fdt_getprop (fdt, nodeoffset, "#size-cells", &len);
if (!sc) {
return 2;
}
if (len != sizeof (*sc)) {
return -FDT_ERR_BADNCELLS;
}
val = fdt32_to_cpu (*sc);
if ((val < 0) || (val > FDT_MAX_NCELLS)) {
return -FDT_ERR_BADNCELLS;
}
return val;
}

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@ -1,92 +0,0 @@
/*
* 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);
}

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/*
* 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_nodename_eq (
const void *fdt,
int offset,
const char *s,
int len
)
{
const char *p = fdt_offset_ptr (fdt, offset + FDT_TAGSIZE, len+1);
if (!p) {
/* short match */
return 0;
}
if (memcmp (p, s, len) != 0) {
return 0;
}
if (p[len] == '\0') {
return 1;
} else if (!memchr (s, '@', len) && (p[len] == '@')) {
return 1;
} else {
return 0;
}
}
const char *
fdt_string (
const void *fdt,
int stroffset
)
{
return (const char *)fdt + fdt_off_dt_strings (fdt) + stroffset;
}
static int
_fdt_string_eq (
const void *fdt,
int stroffset,
const char *s,
int len
)
{
const char *p = fdt_string (fdt, stroffset);
return (strlen (p) == len) && (memcmp (p, s, len) == 0);
}
uint32_t
fdt_get_max_phandle (
const void *fdt
)
{
uint32_t max_phandle = 0;
int offset;
for (offset = fdt_next_node (fdt, -1, NULL); ;
offset = fdt_next_node (fdt, offset, NULL))
{
uint32_t phandle;
if (offset == -FDT_ERR_NOTFOUND) {
return max_phandle;
}
if (offset < 0) {
return (uint32_t)-1;
}
phandle = fdt_get_phandle (fdt, offset);
if (phandle == (uint32_t)-1) {
continue;
}
if (phandle > max_phandle) {
max_phandle = phandle;
}
}
return 0;
}
int
fdt_get_mem_rsv (
const void *fdt,
int n,
uint64_t *address,
uint64_t *size
)
{
FDT_CHECK_HEADER (fdt);
*address = fdt64_to_cpu (_fdt_mem_rsv (fdt, n)->address);
*size = fdt64_to_cpu (_fdt_mem_rsv (fdt, n)->size);
return 0;
}
int
fdt_num_mem_rsv (
const void *fdt
)
{
int i = 0;
while (fdt64_to_cpu (_fdt_mem_rsv (fdt, i)->size) != 0) {
i++;
}
return i;
}
static int
_nextprop (
const void *fdt,
int offset
)
{
uint32_t tag;
int nextoffset;
do {
tag = fdt_next_tag (fdt, offset, &nextoffset);
switch (tag) {
case FDT_END:
if (nextoffset >= 0) {
return -FDT_ERR_BADSTRUCTURE;
} else {
return nextoffset;
}
case FDT_PROP:
return offset;
}
offset = nextoffset;
} while (tag == FDT_NOP);
return -FDT_ERR_NOTFOUND;
}
int
fdt_subnode_offset_namelen (
const void *fdt,
int offset,
const char *name,
int namelen
)
{
int depth;
FDT_CHECK_HEADER (fdt);
for (depth = 0;
(offset >= 0) && (depth >= 0);
offset = fdt_next_node (fdt, offset, &depth))
{
if ( (depth == 1)
&& _fdt_nodename_eq (fdt, offset, name, namelen))
{
return offset;
}
}
if (depth < 0) {
return -FDT_ERR_NOTFOUND;
}
return offset; /* error */
}
int
fdt_subnode_offset (
const void *fdt,
int parentoffset,
const char *name
)
{
return fdt_subnode_offset_namelen (fdt, parentoffset, name, strlen (name));
}
int
fdt_path_offset_namelen (
const void *fdt,
const char *path,
int namelen
)
{
const char *end = path + namelen;
const char *p = path;
int offset = 0;
FDT_CHECK_HEADER (fdt);
/* see if we have an alias */
if (*path != '/') {
const char *q = memchr (path, '/', end - p);
if (!q) {
q = end;
}
p = fdt_get_alias_namelen (fdt, p, q - p);
if (!p) {
return -FDT_ERR_BADPATH;
}
offset = fdt_path_offset (fdt, p);
p = q;
}
while (p < end) {
const char *q;
while (*p == '/') {
p++;
if (p == end) {
return offset;
}
}
q = memchr (p, '/', end - p);
if (!q) {
q = end;
}
offset = fdt_subnode_offset_namelen (fdt, offset, p, q-p);
if (offset < 0) {
return offset;
}
p = q;
}
return offset;
}
int
fdt_path_offset (
const void *fdt,
const char *path
)
{
return fdt_path_offset_namelen (fdt, path, strlen (path));
}
const char *
fdt_get_name (
const void *fdt,
int nodeoffset,
int *len
)
{
const struct fdt_node_header *nh = _fdt_offset_ptr (fdt, nodeoffset);
int err;
if ( ((err = fdt_check_header (fdt)) != 0)
|| ((err = _fdt_check_node_offset (fdt, nodeoffset)) < 0))
{
goto fail;
}
if (len) {
*len = strlen (nh->name);
}
return nh->name;
fail:
if (len) {
*len = err;
}
return NULL;
}
int
fdt_first_property_offset (
const void *fdt,
int nodeoffset
)
{
int offset;
if ((offset = _fdt_check_node_offset (fdt, nodeoffset)) < 0) {
return offset;
}
return _nextprop (fdt, offset);
}
int
fdt_next_property_offset (
const void *fdt,
int offset
)
{
if ((offset = _fdt_check_prop_offset (fdt, offset)) < 0) {
return offset;
}
return _nextprop (fdt, offset);
}
const struct fdt_property *
fdt_get_property_by_offset (
const void *fdt,
int offset,
int *lenp
)
{
int err;
const struct fdt_property *prop;
if ((err = _fdt_check_prop_offset (fdt, offset)) < 0) {
if (lenp) {
*lenp = err;
}
return NULL;
}
prop = _fdt_offset_ptr (fdt, offset);
if (lenp) {
*lenp = fdt32_to_cpu (prop->len);
}
return prop;
}
const struct fdt_property *
fdt_get_property_namelen (
const void *fdt,
int offset,
const char *name,
int namelen,
int *lenp
)
{
for (offset = fdt_first_property_offset (fdt, offset);
(offset >= 0);
(offset = fdt_next_property_offset (fdt, offset)))
{
const struct fdt_property *prop;
if (!(prop = fdt_get_property_by_offset (fdt, offset, lenp))) {
offset = -FDT_ERR_INTERNAL;
break;
}
if (_fdt_string_eq (
fdt,
fdt32_to_cpu (prop->nameoff),
name,
namelen
))
{
return prop;
}
}
if (lenp) {
*lenp = offset;
}
return NULL;
}
const struct fdt_property *
fdt_get_property (
const void *fdt,
int nodeoffset,
const char *name,
int *lenp
)
{
return fdt_get_property_namelen (
fdt,
nodeoffset,
name,
strlen (name),
lenp
);
}
const void *
fdt_getprop_namelen (
const void *fdt,
int nodeoffset,
const char *name,
int namelen,
int *lenp
)
{
const struct fdt_property *prop;
prop = fdt_get_property_namelen (fdt, nodeoffset, name, namelen, lenp);
if (!prop) {
return NULL;
}
return prop->data;
}
const void *
fdt_getprop_by_offset (
const void *fdt,
int offset,
const char **namep,
int *lenp
)
{
const struct fdt_property *prop;
prop = fdt_get_property_by_offset (fdt, offset, lenp);
if (!prop) {
return NULL;
}
if (namep) {
*namep = fdt_string (fdt, fdt32_to_cpu (prop->nameoff));
}
return prop->data;
}
const void *
fdt_getprop (
const void *fdt,
int nodeoffset,
const char *name,
int *lenp
)
{
return fdt_getprop_namelen (fdt, nodeoffset, name, strlen (name), lenp);
}
uint32_t
fdt_get_phandle (
const void *fdt,
int nodeoffset
)
{
const fdt32_t *php;
int len;
/* FIXME: This is a bit sub-optimal, since we potentially scan
* over all the properties twice. */
php = fdt_getprop (fdt, nodeoffset, "phandle", &len);
if (!php || (len != sizeof (*php))) {
php = fdt_getprop (fdt, nodeoffset, "linux,phandle", &len);
if (!php || (len != sizeof (*php))) {
return 0;
}
}
return fdt32_to_cpu (*php);
}
const char *
fdt_get_alias_namelen (
const void *fdt,
const char *name,
int namelen
)
{
int aliasoffset;
aliasoffset = fdt_path_offset (fdt, "/aliases");
if (aliasoffset < 0) {
return NULL;
}
return fdt_getprop_namelen (fdt, aliasoffset, name, namelen, NULL);
}
const char *
fdt_get_alias (
const void *fdt,
const char *name
)
{
return fdt_get_alias_namelen (fdt, name, strlen (name));
}
int
fdt_get_path (
const void *fdt,
int nodeoffset,
char *buf,
int buflen
)
{
int pdepth = 0, p = 0;
int offset, depth, namelen;
const char *name;
FDT_CHECK_HEADER (fdt);
if (buflen < 2) {
return -FDT_ERR_NOSPACE;
}
for (offset = 0, depth = 0;
(offset >= 0) && (offset <= nodeoffset);
offset = fdt_next_node (fdt, offset, &depth))
{
while (pdepth > depth) {
do {
p--;
} while (buf[p-1] != '/');
pdepth--;
}
if (pdepth >= depth) {
name = fdt_get_name (fdt, offset, &namelen);
if (!name) {
return namelen;
}
if ((p + namelen + 1) <= buflen) {
memcpy (buf + p, name, namelen);
p += namelen;
buf[p++] = '/';
pdepth++;
}
}
if (offset == nodeoffset) {
if (pdepth < (depth + 1)) {
return -FDT_ERR_NOSPACE;
}
if (p > 1) {
/* special case so that root path is "/", not "" */
p--;
}
buf[p] = '\0';
return 0;
}
}
if ((offset == -FDT_ERR_NOTFOUND) || (offset >= 0)) {
return -FDT_ERR_BADOFFSET;
} else if (offset == -FDT_ERR_BADOFFSET) {
return -FDT_ERR_BADSTRUCTURE;
}
return offset; /* error from fdt_next_node() */
}
int
fdt_supernode_atdepth_offset (
const void *fdt,
int nodeoffset,
int supernodedepth,
int *nodedepth
)
{
int offset, depth;
int supernodeoffset = -FDT_ERR_INTERNAL;
FDT_CHECK_HEADER (fdt);
if (supernodedepth < 0) {
return -FDT_ERR_NOTFOUND;
}
for (offset = 0, depth = 0;
(offset >= 0) && (offset <= nodeoffset);
offset = fdt_next_node (fdt, offset, &depth))
{
if (depth == supernodedepth) {
supernodeoffset = offset;
}
if (offset == nodeoffset) {
if (nodedepth) {
*nodedepth = depth;
}
if (supernodedepth > depth) {
return -FDT_ERR_NOTFOUND;
} else {
return supernodeoffset;
}
}
}
if ((offset == -FDT_ERR_NOTFOUND) || (offset >= 0)) {
return -FDT_ERR_BADOFFSET;
} else if (offset == -FDT_ERR_BADOFFSET) {
return -FDT_ERR_BADSTRUCTURE;
}
return offset; /* error from fdt_next_node() */
}
int
fdt_node_depth (
const void *fdt,
int nodeoffset
)
{
int nodedepth;
int err;
err = fdt_supernode_atdepth_offset (fdt, nodeoffset, 0, &nodedepth);
if (err) {
return (err < 0) ? err : -FDT_ERR_INTERNAL;
}
return nodedepth;
}
int
fdt_parent_offset (
const void *fdt,
int nodeoffset
)
{
int nodedepth = fdt_node_depth (fdt, nodeoffset);
if (nodedepth < 0) {
return nodedepth;
}
return fdt_supernode_atdepth_offset (
fdt,
nodeoffset,
nodedepth - 1,
NULL
);
}
int
fdt_node_offset_by_prop_value (
const void *fdt,
int startoffset,
const char *propname,
const void *propval,
int proplen
)
{
int offset;
const void *val;
int len;
FDT_CHECK_HEADER (fdt);
/* FIXME: The algorithm here is pretty horrible: we scan each
* property of a node in fdt_getprop(), then if that didn't
* find what we want, we scan over them again making our way
* to the next node. Still it's the easiest to implement
* approach; performance can come later. */
for (offset = fdt_next_node (fdt, startoffset, NULL);
offset >= 0;
offset = fdt_next_node (fdt, offset, NULL))
{
val = fdt_getprop (fdt, offset, propname, &len);
if ( val && (len == proplen)
&& (memcmp (val, propval, len) == 0))
{
return offset;
}
}
return offset; /* error from fdt_next_node() */
}
int
fdt_node_offset_by_phandle (
const void *fdt,
uint32_t phandle
)
{
int offset;
if ((phandle == 0) || (phandle == -1)) {
return -FDT_ERR_BADPHANDLE;
}
FDT_CHECK_HEADER (fdt);
/* FIXME: The algorithm here is pretty horrible: we
* potentially scan each property of a node in
* fdt_get_phandle(), then if that didn't find what
* we want, we scan over them again making our way to the next
* node. Still it's the easiest to implement approach;
* performance can come later. */
for (offset = fdt_next_node (fdt, -1, NULL);
offset >= 0;
offset = fdt_next_node (fdt, offset, NULL))
{
if (fdt_get_phandle (fdt, offset) == phandle) {
return offset;
}
}
return offset; /* error from fdt_next_node() */
}
int
fdt_stringlist_contains (
const char *strlist,
int listlen,
const char *str
)
{
int len = strlen (str);
const char *p;
while (listlen >= len) {
if (memcmp (str, strlist, len+1) == 0) {
return 1;
}
p = memchr (strlist, '\0', listlen);
if (!p) {
return 0; /* malformed strlist.. */
}
listlen -= (p-strlist) + 1;
strlist = p + 1;
}
return 0;
}
int
fdt_stringlist_count (
const void *fdt,
int nodeoffset,
const char *property
)
{
const char *list, *end;
int length, count = 0;
list = fdt_getprop (fdt, nodeoffset, property, &length);
if (!list) {
return length;
}
end = list + length;
while (list < end) {
length = strnlen (list, end - list) + 1;
/* Abort if the last string isn't properly NUL-terminated. */
if (list + length > end) {
return -FDT_ERR_BADVALUE;
}
list += length;
count++;
}
return count;
}
int
fdt_stringlist_search (
const void *fdt,
int nodeoffset,
const char *property,
const char *string
)
{
int length, len, idx = 0;
const char *list, *end;
list = fdt_getprop (fdt, nodeoffset, property, &length);
if (!list) {
return length;
}
len = strlen (string) + 1;
end = list + length;
while (list < end) {
length = strnlen (list, end - list) + 1;
/* Abort if the last string isn't properly NUL-terminated. */
if (list + length > end) {
return -FDT_ERR_BADVALUE;
}
if ((length == len) && (memcmp (list, string, length) == 0)) {
return idx;
}
list += length;
idx++;
}
return -FDT_ERR_NOTFOUND;
}
const char *
fdt_stringlist_get (
const void *fdt,
int nodeoffset,
const char *property,
int idx,
int *lenp
)
{
const char *list, *end;
int length;
list = fdt_getprop (fdt, nodeoffset, property, &length);
if (!list) {
if (lenp) {
*lenp = length;
}
return NULL;
}
end = list + length;
while (list < end) {
length = strnlen (list, end - list) + 1;
/* Abort if the last string isn't properly NUL-terminated. */
if (list + length > end) {
if (lenp) {
*lenp = -FDT_ERR_BADVALUE;
}
return NULL;
}
if (idx == 0) {
if (lenp) {
*lenp = length - 1;
}
return list;
}
list += length;
idx--;
}
if (lenp) {
*lenp = -FDT_ERR_NOTFOUND;
}
return NULL;
}
int
fdt_node_check_compatible (
const void *fdt,
int nodeoffset,
const char *compatible
)
{
const void *prop;
int len;
prop = fdt_getprop (fdt, nodeoffset, "compatible", &len);
if (!prop) {
return len;
}
return !fdt_stringlist_contains (prop, len, compatible);
}
int
fdt_node_offset_by_compatible (
const void *fdt,
int startoffset,
const char *compatible
)
{
int offset, err;
FDT_CHECK_HEADER (fdt);
/* FIXME: The algorithm here is pretty horrible: we scan each
* property of a node in fdt_node_check_compatible(), then if
* that didn't find what we want, we scan over them again
* making our way to the next node. Still it's the easiest to
* implement approach; performance can come later. */
for (offset = fdt_next_node (fdt, startoffset, NULL);
offset >= 0;
offset = fdt_next_node (fdt, offset, NULL))
{
err = fdt_node_check_compatible (fdt, offset, compatible);
if ((err < 0) && (err != -FDT_ERR_NOTFOUND)) {
return err;
} else if (err == 0) {
return offset;
}
}
return offset; /* error from fdt_next_node() */
}

View file

@ -1,686 +0,0 @@
/*
* libfdt - Flat Device Tree manipulation
* Copyright (C) 2006 David Gibson, IBM Corporation.
*
* libfdt is dual licensed: you can use it either under the terms of
* the GPL, or the BSD license, at your option.
*
* a) This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*
* Alternatively,
*
* b) Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "libfdt_env.h"
#include <fdt.h>
#include <libfdt.h>
#include "libfdt_internal.h"
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 ((p < (char *)fdt) || ((end - oldlen + newlen) < (char *)fdt)) {
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;
if ((err = _fdt_splice (fdt, p, oldlen, newlen))) {
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;
if ((err = _fdt_splice (fdt, p, 0, newlen))) {
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);
FDT_RW_CHECK_HEADER (fdt);
if (n >= fdt_num_mem_rsv (fdt)) {
return -FDT_ERR_NOTFOUND;
}
return _fdt_splice_mem_rsv (fdt, re, 1, 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;
}
if ((err = _fdt_splice_struct (
fdt,
(*prop)->data,
FDT_TAGALIGN (oldlen),
FDT_TAGALIGN (len)
)))
{
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_placeholder (
void *fdt,
int nodeoffset,
const char *name,
int len,
void **prop_data
)
{
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;
}
*prop_data = prop->data;
return 0;
}
int
fdt_setprop (
void *fdt,
int nodeoffset,
const char *name,
const void *val,
int len
)
{
void *prop_data;
int err;
err = fdt_setprop_placeholder (fdt, nodeoffset, name, len, &prop_data);
if (err) {
return err;
}
if (len) {
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;
fdt32_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 = (fdt32_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;
}

View file

@ -1,106 +0,0 @@
/*
* libfdt - Flat Device Tree manipulation
* Copyright (C) 2006 David Gibson, IBM Corporation.
*
* libfdt is dual licensed: you can use it either under the terms of
* the GPL, or the BSD license, at your option.
*
* a) This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*
* Alternatively,
*
* b) Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "libfdt_env.h"
#include <fdt.h>
#include <libfdt.h>
#include "libfdt_internal.h"
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_BADPHANDLE),
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),
FDT_ERRTABENT (FDT_ERR_INTERNAL),
FDT_ERRTABENT (FDT_ERR_BADNCELLS),
FDT_ERRTABENT (FDT_ERR_BADVALUE),
FDT_ERRTABENT (FDT_ERR_BADOVERLAY),
FDT_ERRTABENT (FDT_ERR_NOPHANDLES),
};
#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>";
}

View file

@ -1,37 +0,0 @@
#/* @file
# Copyright (c) 2018, Linaro Limited. All rights reserved.
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
#*/
#include <Base.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
unsigned long
strtoul (
const char *nptr,
char **endptr,
int base
)
{
RETURN_STATUS Status;
UINTN ReturnValue;
ASSERT (base == 10 || base == 16);
if (base == 10) {
Status = AsciiStrDecimalToUintnS (nptr, endptr, &ReturnValue);
} else if (base == 16) {
Status = AsciiStrHexToUintnS (nptr, endptr, &ReturnValue);
} else {
Status = RETURN_INVALID_PARAMETER;
}
if (RETURN_ERROR (Status)) {
return MAX_UINTN;
}
return ReturnValue;
}

View file

@ -1,375 +0,0 @@
/*
* libfdt - Flat Device Tree manipulation
* Copyright (C) 2006 David Gibson, IBM Corporation.
*
* libfdt is dual licensed: you can use it either under the terms of
* the GPL, or the BSD license, at your option.
*
* a) This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*
* Alternatively,
*
* b) Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "libfdt_env.h"
#include <fdt.h>
#include <libfdt.h>
#include "libfdt_internal.h"
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_resize (
void *fdt,
void *buf,
int bufsize
)
{
size_t headsize, tailsize;
char *oldtail, *newtail;
FDT_SW_CHECK_HEADER (fdt);
headsize = fdt_off_dt_struct (fdt);
tailsize = fdt_size_dt_strings (fdt);
if ((headsize + tailsize) > bufsize) {
return -FDT_ERR_NOSPACE;
}
oldtail = (char *)fdt + fdt_totalsize (fdt) - tailsize;
newtail = (char *)buf + bufsize - tailsize;
/* Two cases to avoid clobbering data if the old and new
* buffers partially overlap */
if (buf <= fdt) {
memmove (buf, fdt, headsize);
memmove (newtail, oldtail, tailsize);
} else {
memmove (newtail, oldtail, tailsize);
memmove (buf, fdt, headsize);
}
fdt_set_off_dt_strings (buf, bufsize);
fdt_set_totalsize (buf, 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
)
{
fdt32_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_placeholder (
void *fdt,
const char *name,
int len,
void **valp
)
{
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);
*valp = prop->data;
return 0;
}
int
fdt_property (
void *fdt,
const char *name,
const void *val,
int len
)
{
void *ptr;
int ret;
ret = fdt_property_placeholder (fdt, name, len, &ptr);
if (ret) {
return ret;
}
memcpy (ptr, val, len);
return 0;
}
int
fdt_finish (
void *fdt
)
{
char *p = (char *)fdt;
fdt32_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;
}

View file

@ -1,189 +0,0 @@
/*
* libfdt - Flat Device Tree manipulation
* Copyright (C) 2006 David Gibson, IBM Corporation.
*
* libfdt is dual licensed: you can use it either under the terms of
* the GPL, or the BSD license, at your option.
*
* a) This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*
* Alternatively,
*
* b) Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "libfdt_env.h"
#include <fdt.h>
#include <libfdt.h>
#include "libfdt_internal.h"
int
fdt_setprop_inplace_namelen_partial (
void *fdt,
int nodeoffset,
const char *name,
int namelen,
uint32_t idx,
const void *val,
int len
)
{
void *propval;
int proplen;
propval = fdt_getprop_namelen_w (
fdt,
nodeoffset,
name,
namelen,
&proplen
);
if (!propval) {
return proplen;
}
if (proplen < (len + idx)) {
return -FDT_ERR_NOSPACE;
}
memcpy ((char *)propval + idx, val, len);
return 0;
}
int
fdt_setprop_inplace (
void *fdt,
int nodeoffset,
const char *name,
const void *val,
int len
)
{
const void *propval;
int proplen;
propval = fdt_getprop (fdt, nodeoffset, name, &proplen);
if (!propval) {
return proplen;
}
if (proplen != len) {
return -FDT_ERR_NOSPACE;
}
return fdt_setprop_inplace_namelen_partial (
fdt,
nodeoffset,
name,
strlen (name),
0,
val,
len
);
}
static void
_fdt_nop_region (
void *start,
int len
)
{
fdt32_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;
}

View file

@ -1,133 +0,0 @@
#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 */

View file

@ -1,67 +0,0 @@
LIBFDT_1.2 {
global:
fdt_next_node;
fdt_check_header;
fdt_move;
fdt_string;
fdt_num_mem_rsv;
fdt_get_mem_rsv;
fdt_subnode_offset_namelen;
fdt_subnode_offset;
fdt_path_offset_namelen;
fdt_path_offset;
fdt_get_name;
fdt_get_property_namelen;
fdt_get_property;
fdt_getprop_namelen;
fdt_getprop;
fdt_get_phandle;
fdt_get_alias_namelen;
fdt_get_alias;
fdt_get_path;
fdt_supernode_atdepth_offset;
fdt_node_depth;
fdt_parent_offset;
fdt_node_offset_by_prop_value;
fdt_node_offset_by_phandle;
fdt_node_check_compatible;
fdt_node_offset_by_compatible;
fdt_setprop_inplace;
fdt_nop_property;
fdt_nop_node;
fdt_create;
fdt_add_reservemap_entry;
fdt_finish_reservemap;
fdt_begin_node;
fdt_property;
fdt_end_node;
fdt_finish;
fdt_open_into;
fdt_pack;
fdt_add_mem_rsv;
fdt_del_mem_rsv;
fdt_set_name;
fdt_setprop;
fdt_delprop;
fdt_add_subnode_namelen;
fdt_add_subnode;
fdt_del_node;
fdt_strerror;
fdt_offset_ptr;
fdt_next_tag;
fdt_appendprop;
fdt_create_empty_tree;
fdt_first_property_offset;
fdt_get_property_by_offset;
fdt_getprop_by_offset;
fdt_next_property_offset;
fdt_first_subnode;
fdt_next_subnode;
fdt_address_cells;
fdt_size_cells;
fdt_stringlist_contains;
fdt_resize;
local:
*;
};

View file

@ -84,9 +84,6 @@ licenses:
- `CryptoPkg\Library\BaseCryptLib\SysCall\inet_pton.c <CryptoPkg\Library\BaseCryptLib\SysCall\inet_pton.c>`__
- `CryptoPkg\Library\Include\crypto\dso_conf.h <https://github.com/openssl/openssl/blob/e2e09d9fba1187f8d6aafaa34d4172f56f1ffb72/LICENSE>`__
- `CryptoPkg\Library\Include\openssl\opensslconf.h <https://github.com/openssl/openssl/blob/e2e09d9fba1187f8d6aafaa34d4172f56f1ffb72/LICENSE>`__
- `EmbeddedPkg/Library/FdtLib <EmbeddedPkg/Library/FdtLib/fdt.c>`__. (EDK II uses BSD License)
- `EmbeddedPkg/Include/fdt.h <EmbeddedPkg/Include/fdt.h>`__. (EDK II uses BSD Licence)
- `EmbeddedPkg/Include/libfdt.h <EmbeddedPkg/Include/libfdt.h>`__. (EDK II uses BSD License)
- `MdeModulePkg/Library/LzmaCustomDecompressLib <MdeModulePkg/Library/LzmaCustomDecompressLib/LZMA-SDK-README.txt>`__
- `OvmfPkg <OvmfPkg/License.txt>`__