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

9 files changed, 176 insertions, 66 deletions

diff --git a/EmbeddedPkg/Include/fdt.h b/EmbeddedPkg/Include/fdt.h
index 3b7c37102..0187749f1 100644
--- a/EmbeddedPkg/Include/fdt.h
+++ b/EmbeddedPkg/Include/fdt.h
@@ -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 */

diff --git a/EmbeddedPkg/Include/libfdt.h b/EmbeddedPkg/Include/libfdt.h
index 85fe324c4..212cb995d 100644
--- a/EmbeddedPkg/Include/libfdt.h
+++ b/EmbeddedPkg/Include/libfdt.h
@@ -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));

 }

 

 /**

diff --git a/EmbeddedPkg/Include/libfdt_env.h b/EmbeddedPkg/Include/libfdt_env.h
index 6cc311fe7..a8ab46349 100644
--- a/EmbeddedPkg/Include/libfdt_env.h
+++ b/EmbeddedPkg/Include/libfdt_env.h
@@ -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);

 }

diff --git a/EmbeddedPkg/Library/FdtLib/fdt.c b/EmbeddedPkg/Library/FdtLib/fdt.c
index 151fcb2ab..963952820 100644
--- a/EmbeddedPkg/Library/FdtLib/fdt.c
+++ b/EmbeddedPkg/Library/FdtLib/fdt.c
@@ -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;

diff --git a/EmbeddedPkg/Library/FdtLib/fdt_ro.c b/EmbeddedPkg/Library/FdtLib/fdt_ro.c
index 9ae6b5ecc..2055891e7 100644
--- a/EmbeddedPkg/Library/FdtLib/fdt_ro.c
+++ b/EmbeddedPkg/Library/FdtLib/fdt_ro.c
@@ -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;

diff --git a/EmbeddedPkg/Library/FdtLib/fdt_rw.c b/EmbeddedPkg/Library/FdtLib/fdt_rw.c
index 1d95a73ec..7a2bcf3d0 100644
--- a/EmbeddedPkg/Library/FdtLib/fdt_rw.c
+++ b/EmbeddedPkg/Library/FdtLib/fdt_rw.c
@@ -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;

diff --git a/EmbeddedPkg/Library/FdtLib/fdt_sw.c b/EmbeddedPkg/Library/FdtLib/fdt_sw.c
index 240fabc55..991919b43 100644
--- a/EmbeddedPkg/Library/FdtLib/fdt_sw.c
+++ b/EmbeddedPkg/Library/FdtLib/fdt_sw.c
@@ -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;

diff --git a/EmbeddedPkg/Library/FdtLib/fdt_wip.c b/EmbeddedPkg/Library/FdtLib/fdt_wip.c
index e009a88f5..3f2b58172 100644
--- a/EmbeddedPkg/Library/FdtLib/fdt_wip.c
+++ b/EmbeddedPkg/Library/FdtLib/fdt_wip.c
@@ -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);

diff --git a/EmbeddedPkg/Library/FdtLib/version.lds b/EmbeddedPkg/Library/FdtLib/version.lds
index 3c3994e27..80b322bed 100644
--- a/EmbeddedPkg/Library/FdtLib/version.lds
+++ b/EmbeddedPkg/Library/FdtLib/version.lds
@@ -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:
 		*;