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EmbeddedPkg/FdtLib: Updated libfdt to 1.4.0 

Last commit from git://git.jdl.com/software/dtc.git:

commit 65cc4d2748a2c2e6f27f1cf39e07a5dbabd80ebf
Author: Jon Loeliger <jdl@jdl.com>
Date:   Sat Jun 22 12:54:28 2013 -0500

    Tag Version 1.4.0

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15237 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Olivier Martin 2014-02-12 15:11:29 +00:00 committed by oliviermartin
parent e30acb47ce
commit 3e8576dd36
9 changed files with 176 additions and 66 deletions
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107
EmbeddedPkg/Include/fdt.h
View File

@ -1,62 +1,99 @@
/** @file
*
* Copyright (c) 2011-2012, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
* which accompanies this distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*
**/
#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 {
uint32_t magic; /* magic word FDT_MAGIC */
uint32_t totalsize; /* total size of DT block */
uint32_t off_dt_struct; /* offset to structure */
uint32_t off_dt_strings; /* offset to strings */
uint32_t off_mem_rsvmap; /* offset to memory reserve map */
uint32_t version; /* format version */
uint32_t last_comp_version; /* last compatible version */
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 */
uint32_t boot_cpuid_phys; /* Which physical CPU id we're
fdt32_t boot_cpuid_phys; /* Which physical CPU id we're
booting on */
/* version 3 fields below */
uint32_t size_dt_strings; /* size of the strings block */
fdt32_t size_dt_strings; /* size of the strings block */
/* version 17 fields below */
uint32_t size_dt_struct; /* size of the structure block */
fdt32_t size_dt_struct; /* size of the structure block */
};
struct fdt_reserve_entry {
uint64_t address;
uint64_t size;
fdt64_t address;
fdt64_t size;
};
struct fdt_node_header {
uint32_t tag;
fdt32_t tag;
char name[0];
};
struct fdt_property {
uint32_t tag;
uint32_t len;
uint32_t nameoff;
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(uint32_t)
#define FDT_TAGSIZE sizeof(fdt32_t)
#define FDT_BEGIN_NODE 0x1 /* Start node: full name */
#define FDT_END_NODE 0x2 /* End node */
@ -65,10 +102,10 @@ struct fdt_property {
#define FDT_NOP 0x4 /* nop */
#define FDT_END 0x9
#define FDT_V1_SIZE (7*sizeof(uint32_t))
#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(uint32_t))
#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(uint32_t))
#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(uint32_t))
#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(fdt32_t))
#endif /* _FDT_H */

70
EmbeddedPkg/Include/libfdt.h
View File

@ -136,6 +136,28 @@ uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset);
int fdt_next_node(const void *fdt, int offset, int *depth);
/**
* fdt_first_subnode() - get offset of first direct subnode
*
* @fdt: FDT blob
* @offset: Offset of node to check
* @return offset of first subnode, or -FDT_ERR_NOTFOUND if there is none
*/
int fdt_first_subnode(const void *fdt, int offset);
/**
* fdt_next_subnode() - get offset of next direct subnode
*
* After first calling fdt_first_subnode(), call this function repeatedly to
* get direct subnodes of a parent node.
*
* @fdt: FDT blob
* @offset: Offset of previous subnode
* @return offset of next subnode, or -FDT_ERR_NOTFOUND if there are no more
* subnodes
*/
int fdt_next_subnode(const void *fdt, int offset);
/**********************************************************************/
/* General functions */
/**********************************************************************/
@ -582,7 +604,7 @@ const char *fdt_get_alias_namelen(const void *fdt,
* value of the property named 'name' in the node /aliases.
*
* returns:
* a pointer to the expansion of the alias named 'name', of it exists
* a pointer to the expansion of the alias named 'name', if it exists
* NULL, if the given alias or the /aliases node does not exist
*/
const char *fdt_get_alias(const void *fdt, const char *name);
@ -816,6 +838,20 @@ int fdt_node_check_compatible(const void *fdt, int nodeoffset,
int fdt_node_offset_by_compatible(const void *fdt, int startoffset,
const char *compatible);
/**
* fdt_stringlist_contains - check a string list property for a string
* @strlist: Property containing a list of strings to check
* @listlen: Length of property
* @str: String to search for
*
* This is a utility function provided for convenience. The list contains
* one or more strings, each terminated by \0, as is found in a device tree
* "compatible" property.
*
* @return: 1 if the string is found in the list, 0 not found, or invalid list
*/
int fdt_stringlist_contains(const char *strlist, int listlen, const char *str);
/**********************************************************************/
/* Write-in-place functions */
/**********************************************************************/
@ -882,8 +918,8 @@ int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
static inline int fdt_setprop_inplace_u32(void *fdt, int nodeoffset,
const char *name, uint32_t val)
{
val = cpu_to_fdt32(val);
return fdt_setprop_inplace(fdt, nodeoffset, name, &val, sizeof(val));
fdt32_t tmp = cpu_to_fdt32(val);
return fdt_setprop_inplace(fdt, nodeoffset, name, &tmp, sizeof(tmp));
}
/**
@ -917,8 +953,8 @@ static inline int fdt_setprop_inplace_u32(void *fdt, int nodeoffset,
static inline int fdt_setprop_inplace_u64(void *fdt, int nodeoffset,
const char *name, uint64_t val)
{
val = cpu_to_fdt64(val);
return fdt_setprop_inplace(fdt, nodeoffset, name, &val, sizeof(val));
fdt64_t tmp = cpu_to_fdt64(val);
return fdt_setprop_inplace(fdt, nodeoffset, name, &tmp, sizeof(tmp));
}
/**
@ -993,13 +1029,13 @@ int fdt_begin_node(void *fdt, const char *name);
int fdt_property(void *fdt, const char *name, const void *val, int len);
static inline int fdt_property_u32(void *fdt, const char *name, uint32_t val)
{
val = cpu_to_fdt32(val);
return fdt_property(fdt, name, &val, sizeof(val));
fdt32_t tmp = cpu_to_fdt32(val);
return fdt_property(fdt, name, &tmp, sizeof(tmp));
}
static inline int fdt_property_u64(void *fdt, const char *name, uint64_t val)
{
val = cpu_to_fdt64(val);
return fdt_property(fdt, name, &val, sizeof(val));
fdt64_t tmp = cpu_to_fdt64(val);
return fdt_property(fdt, name, &tmp, sizeof(tmp));
}
static inline int fdt_property_cell(void *fdt, const char *name, uint32_t val)
{
@ -1154,8 +1190,8 @@ int fdt_setprop(void *fdt, int nodeoffset, const char *name,
static inline int fdt_setprop_u32(void *fdt, int nodeoffset, const char *name,
uint32_t val)
{
val = cpu_to_fdt32(val);
return fdt_setprop(fdt, nodeoffset, name, &val, sizeof(val));
fdt32_t tmp = cpu_to_fdt32(val);
return fdt_setprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
}
/**
@ -1189,8 +1225,8 @@ static inline int fdt_setprop_u32(void *fdt, int nodeoffset, const char *name,
static inline int fdt_setprop_u64(void *fdt, int nodeoffset, const char *name,
uint64_t val)
{
val = cpu_to_fdt64(val);
return fdt_setprop(fdt, nodeoffset, name, &val, sizeof(val));
fdt64_t tmp = cpu_to_fdt64(val);
return fdt_setprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
}
/**
@ -1296,8 +1332,8 @@ int fdt_appendprop(void *fdt, int nodeoffset, const char *name,
static inline int fdt_appendprop_u32(void *fdt, int nodeoffset,
const char *name, uint32_t val)
{
val = cpu_to_fdt32(val);
return fdt_appendprop(fdt, nodeoffset, name, &val, sizeof(val));
fdt32_t tmp = cpu_to_fdt32(val);
return fdt_appendprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
}
/**
@ -1331,8 +1367,8 @@ static inline int fdt_appendprop_u32(void *fdt, int nodeoffset,
static inline int fdt_appendprop_u64(void *fdt, int nodeoffset,
const char *name, uint64_t val)
{
val = cpu_to_fdt64(val);
return fdt_appendprop(fdt, nodeoffset, name, &val, sizeof(val));
fdt64_t tmp = cpu_to_fdt64(val);
return fdt_appendprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
}
/**

12
EmbeddedPkg/Include/libfdt_env.h
View File

@ -1,6 +1,6 @@
/** @file
*
* Copyright (c) 2011-2012, ARM Limited. All rights reserved.
* Copyright (c) 2011-2014, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
@ -18,6 +18,10 @@
#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;
@ -25,19 +29,19 @@ typedef UINT64 uint64_t;
typedef UINTN uintptr_t;
typedef UINTN size_t;
static inline uint16_t fdt16_to_cpu(uint16_t x)
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(uint32_t 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(uint64_t x)
static inline uint64_t fdt64_to_cpu(fdt64_t x)
{
return SwapBytes64 (x);
}

30
EmbeddedPkg/Library/FdtLib/fdt.c
View File

@ -92,7 +92,7 @@ const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int len)
uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset)
{
const uint32_t *tagp, *lenp;
const fdt32_t *tagp, *lenp;
uint32_t tag;
int offset = startoffset;
const char *p;
@ -198,6 +198,34 @@ int fdt_next_node(const void *fdt, int offset, int *depth)
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;

7
EmbeddedPkg/Library/FdtLib/fdt_ro.c
View File

@ -323,7 +323,7 @@ const void *fdt_getprop(const void *fdt, int nodeoffset,
uint32_t fdt_get_phandle(const void *fdt, int nodeoffset)
{
const uint32_t *php;
const fdt32_t *php;
int len;
/* FIXME: This is a bit sub-optimal, since we potentially scan
@ -516,8 +516,7 @@ int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle)
return offset; /* error from fdt_next_node() */
}
static int _fdt_stringlist_contains(const char *strlist, int listlen,
const char *str)
int fdt_stringlist_contains(const char *strlist, int listlen, const char *str)
{
int len = strlen(str);
const char *p;
@ -543,7 +542,7 @@ int fdt_node_check_compatible(const void *fdt, int nodeoffset,
prop = fdt_getprop(fdt, nodeoffset, "compatible", &len);
if (!prop)
return len;
if (_fdt_stringlist_contains(prop, len, compatible))
if (fdt_stringlist_contains(prop, len, compatible))
return 0;
else
return 1;

4
EmbeddedPkg/Library/FdtLib/fdt_rw.c
View File

@ -342,7 +342,7 @@ int fdt_add_subnode_namelen(void *fdt, int parentoffset,
int nodelen;
int err;
uint32_t tag;
uint32_t *endtag;
fdt32_t *endtag;
FDT_RW_CHECK_HEADER(fdt);
@ -369,7 +369,7 @@ int fdt_add_subnode_namelen(void *fdt, int parentoffset,
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 = (fdt32_t *)((char *)nh + nodelen - FDT_TAGSIZE);
*endtag = cpu_to_fdt32(FDT_END_NODE);
return offset;

4
EmbeddedPkg/Library/FdtLib/fdt_sw.c
View File

@ -153,7 +153,7 @@ int fdt_begin_node(void *fdt, const char *name)
int fdt_end_node(void *fdt)
{
uint32_t *en;
fdt32_t *en;
FDT_SW_CHECK_HEADER(fdt);
@ -213,7 +213,7 @@ int fdt_property(void *fdt, const char *name, const void *val, int len)
int fdt_finish(void *fdt)
{
char *p = (char *)fdt;
uint32_t *end;
fdt32_t *end;
int oldstroffset, newstroffset;
uint32_t tag;
int offset, nextoffset;

2
EmbeddedPkg/Library/FdtLib/fdt_wip.c
View File

@ -74,7 +74,7 @@ int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
static void _fdt_nop_region(void *start, int len)
{
uint32_t *p;
fdt32_t *p;
for (p = start; (char *)p < ((char *)start + len); p++)
*p = cpu_to_fdt32(FDT_NOP);

6
EmbeddedPkg/Library/FdtLib/version.lds
View File

@ -48,6 +48,12 @@ LIBFDT_1.2 {
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;
local:
*;