LIBS += drivers/video/libvideo.a
LIBS += drivers/watchdog/libwatchdog.a
LIBS += common/libcommon.a
-LIBS += libfdt/libfdt.a
+LIBS += lib/libfdt/libfdt.a
LIBS += api/libapi.a
LIBS += post/libpost.a
--- /dev/null
+#
+# (C) Copyright 2000-2007
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program 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 program 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 program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)libfdt.a
+
+SOBJS =
+
+COBJS-libfdt += fdt.o fdt_ro.o fdt_rw.o fdt_strerror.o fdt_sw.o fdt_wip.o
+
+COBJS-$(CONFIG_OF_LIBFDT) += $(COBJS-libfdt)
+COBJS-$(CONFIG_FIT) += $(COBJS-libfdt)
+
+
+COBJS := $(sort $(COBJS-y))
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+The libfdt functionality was written by David Gibson. The original
+source came from the git repository:
+
+URL: git://ozlabs.org/home/dgibson/git/libfdt.git
+
+author David Gibson <dgibson@sneetch.(none)>
+ Fri, 23 Mar 2007 04:16:54 +0000 (15:16 +1100)
+committer David Gibson <dgibson@sneetch.(none)>
+ Fri, 23 Mar 2007 04:16:54 +0000 (15:16 +1100)
+commit 857f54e79f74429af20c2b5ecc00ee98af6a3b8b
+tree 2f648f0f88225a51ded452968d28b4402df8ade0
+parent 07a12a08005f3b5cd9337900a6551e450c07b515
+
+To adapt for u-boot usage, only the applicable files were copied and
+imported into the u-boot git repository.
+Omitted:
+* GPL - u-boot comes with a copy of the GPL license
+* test subdirectory - not directly useful for u-boot
+
+After importing, other customizations were performed. See the git log
+for details.
+
+Jerry Van Baren
--- /dev/null
+/*
+ * 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"
+
+#ifndef USE_HOSTCC
+#include <fdt.h>
+#include <libfdt.h>
+#else
+#include "fdt_host.h"
+#endif
+
+#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)
+{
+ const char *p;
+
+ if (fdt_version(fdt) >= 0x11)
+ if (((offset + len) < offset)
+ || ((offset + len) > fdt_size_dt_struct(fdt)))
+ return NULL;
+
+ p = _fdt_offset_ptr(fdt, offset);
+
+ if (p + len < p)
+ return NULL;
+ return p;
+}
+
+uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset)
+{
+ const uint32_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_next_node(const void *fdt, int offset, int *depth)
+{
+ int nextoffset = 0;
+ uint32_t tag;
+
+ if (offset >= 0)
+ if ((nextoffset = _fdt_check_node_offset(fdt, offset)) < 0)
+ return nextoffset;
+
+ do {
+ offset = nextoffset;
+ tag = fdt_next_tag(fdt, offset, &nextoffset);
+
+ switch (tag) {
+ case FDT_PROP:
+ case FDT_NOP:
+ break;
+
+ case FDT_BEGIN_NODE:
+ if (depth)
+ (*depth)++;
+ break;
+
+ case FDT_END_NODE:
+ if (depth && ((--(*depth)) < 0))
+ return nextoffset;
+ break;
+
+ case FDT_END:
+ if ((nextoffset >= 0)
+ || ((nextoffset == -FDT_ERR_TRUNCATED) && !depth))
+ return -FDT_ERR_NOTFOUND;
+ else
+ return nextoffset;
+ }
+ } while (tag != FDT_BEGIN_NODE);
+
+ return offset;
+}
+
+const char *_fdt_find_string(const char *strtab, int tabsize, const char *s)
+{
+ int len = strlen(s) + 1;
+ const char *last = strtab + tabsize - len;
+ const char *p;
+
+ for (p = strtab; p <= last; p++)
+ if (memcmp(p, s, len) == 0)
+ return p;
+ return NULL;
+}
+
+int fdt_move(const void *fdt, void *buf, int bufsize)
+{
+ FDT_CHECK_HEADER(fdt);
+
+ if (fdt_totalsize(fdt) > bufsize)
+ return -FDT_ERR_NOSPACE;
+
+ memmove(buf, fdt, fdt_totalsize(fdt));
+ return 0;
+}
--- /dev/null
+/*
+ * 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"
+
+#ifndef USE_HOSTCC
+#include <fdt.h>
+#include <libfdt.h>
+#else
+#include "fdt_host.h"
+#endif
+
+#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);
+}
+
+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;
+}
+
+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(const void *fdt, const char *path)
+{
+ const char *end = path + strlen(path);
+ const char *p = path;
+ int offset = 0;
+
+ FDT_CHECK_HEADER(fdt);
+
+ /* see if we have an alias */
+ if (*path != '/') {
+ const char *q = strchr(path, '/');
+
+ 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) {
+ const char *q;
+
+ while (*p == '/')
+ p++;
+ if (! *p)
+ return offset;
+ q = strchr(p, '/');
+ if (! q)
+ q = end;
+
+ offset = fdt_subnode_offset_namelen(fdt, offset, p, q-p);
+ if (offset < 0)
+ return offset;
+
+ p = q;
+ }
+
+ return offset;
+}
+
+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;
+}
+
+const struct fdt_property *fdt_get_property_namelen(const void *fdt,
+ int nodeoffset,
+ const char *name,
+ int namelen, int *lenp)
+{
+ uint32_t tag;
+ const struct fdt_property *prop;
+ int offset, nextoffset;
+ int err;
+
+ if (((err = fdt_check_header(fdt)) != 0)
+ || ((err = _fdt_check_node_offset(fdt, nodeoffset)) < 0))
+ goto fail;
+
+ nextoffset = err;
+ do {
+ offset = nextoffset;
+
+ tag = fdt_next_tag(fdt, offset, &nextoffset);
+ switch (tag) {
+ case FDT_END:
+ if (nextoffset < 0)
+ err = nextoffset;
+ else
+ /* FDT_END tag with unclosed nodes */
+ err = -FDT_ERR_BADSTRUCTURE;
+ goto fail;
+
+ case FDT_PROP:
+ prop = _fdt_offset_ptr(fdt, offset);
+ if (_fdt_string_eq(fdt, fdt32_to_cpu(prop->nameoff),
+ name, namelen)) {
+ /* Found it! */
+ if (lenp)
+ *lenp = fdt32_to_cpu(prop->len);
+
+ return prop;
+ }
+ break;
+ }
+ } while ((tag != FDT_BEGIN_NODE) && (tag != FDT_END_NODE));
+
+ err = -FDT_ERR_NOTFOUND;
+ fail:
+ if (lenp)
+ *lenp = err;
+ 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(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 uint32_t *php;
+ int len;
+
+ 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)
+{
+ if ((phandle == 0) || (phandle == -1))
+ return -FDT_ERR_BADPHANDLE;
+ phandle = cpu_to_fdt32(phandle);
+ return fdt_node_offset_by_prop_value(fdt, -1, "linux,phandle",
+ &phandle, sizeof(phandle));
+}
+
+static 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_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;
+ if (_fdt_stringlist_contains(prop, len, compatible))
+ return 0;
+ else
+ return 1;
+}
+
+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() */
+}
--- /dev/null
+/*
+ * 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"
+
+#ifndef USE_HOSTCC
+#include <fdt.h>
+#include <libfdt.h>
+#else
+#include "fdt_host.h"
+#endif
+
+#include "libfdt_internal.h"
+
+static int _fdt_blocks_misordered(const void *fdt,
+ int mem_rsv_size, int struct_size)
+{
+ return (fdt_off_mem_rsvmap(fdt) < FDT_ALIGN(sizeof(struct fdt_header), 8))
+ || (fdt_off_dt_struct(fdt) <
+ (fdt_off_mem_rsvmap(fdt) + mem_rsv_size))
+ || (fdt_off_dt_strings(fdt) <
+ (fdt_off_dt_struct(fdt) + struct_size))
+ || (fdt_totalsize(fdt) <
+ (fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt)));
+}
+
+static int _fdt_rw_check_header(void *fdt)
+{
+ FDT_CHECK_HEADER(fdt);
+
+ if (fdt_version(fdt) < 17)
+ return -FDT_ERR_BADVERSION;
+ if (_fdt_blocks_misordered(fdt, sizeof(struct fdt_reserve_entry),
+ fdt_size_dt_struct(fdt)))
+ return -FDT_ERR_BADLAYOUT;
+ if (fdt_version(fdt) > 17)
+ fdt_set_version(fdt, 17);
+
+ return 0;
+}
+
+#define FDT_RW_CHECK_HEADER(fdt) \
+ { \
+ int err; \
+ if ((err = _fdt_rw_check_header(fdt)) != 0) \
+ return err; \
+ }
+
+static inline int _fdt_data_size(void *fdt)
+{
+ return fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt);
+}
+
+static int _fdt_splice(void *fdt, void *splicepoint, int oldlen, int newlen)
+{
+ char *p = splicepoint;
+ char *end = (char *)fdt + _fdt_data_size(fdt);
+
+ if (((p + oldlen) < p) || ((p + oldlen) > end))
+ return -FDT_ERR_BADOFFSET;
+ if ((end - oldlen + newlen) > ((char *)fdt + fdt_totalsize(fdt)))
+ return -FDT_ERR_NOSPACE;
+ memmove(p + newlen, p + oldlen, end - p - oldlen);
+ return 0;
+}
+
+static int _fdt_splice_mem_rsv(void *fdt, struct fdt_reserve_entry *p,
+ int oldn, int newn)
+{
+ int delta = (newn - oldn) * sizeof(*p);
+ int err;
+ err = _fdt_splice(fdt, p, oldn * sizeof(*p), newn * sizeof(*p));
+ if (err)
+ return err;
+ fdt_set_off_dt_struct(fdt, fdt_off_dt_struct(fdt) + delta);
+ fdt_set_off_dt_strings(fdt, fdt_off_dt_strings(fdt) + delta);
+ return 0;
+}
+
+static int _fdt_splice_struct(void *fdt, void *p,
+ int oldlen, int newlen)
+{
+ int delta = newlen - oldlen;
+ int err;
+
+ 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);
+ int err;
+
+ FDT_RW_CHECK_HEADER(fdt);
+
+ if (n >= fdt_num_mem_rsv(fdt))
+ return -FDT_ERR_NOTFOUND;
+
+ err = _fdt_splice_mem_rsv(fdt, re, 1, 0);
+ if (err)
+ return err;
+ return 0;
+}
+
+static int _fdt_resize_property(void *fdt, int nodeoffset, const char *name,
+ int len, struct fdt_property **prop)
+{
+ int oldlen;
+ int err;
+
+ *prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen);
+ if (! (*prop))
+ return oldlen;
+
+ 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(void *fdt, int nodeoffset, const char *name,
+ const void *val, int len)
+{
+ struct fdt_property *prop;
+ int err;
+
+ FDT_RW_CHECK_HEADER(fdt);
+
+ err = _fdt_resize_property(fdt, nodeoffset, name, len, &prop);
+ if (err == -FDT_ERR_NOTFOUND)
+ err = _fdt_add_property(fdt, nodeoffset, name, len, &prop);
+ if (err)
+ return err;
+
+ memcpy(prop->data, val, len);
+ return 0;
+}
+
+int fdt_delprop(void *fdt, int nodeoffset, const char *name)
+{
+ struct fdt_property *prop;
+ int len, proplen;
+
+ FDT_RW_CHECK_HEADER(fdt);
+
+ prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
+ if (! prop)
+ return len;
+
+ proplen = sizeof(*prop) + FDT_TAGALIGN(len);
+ return _fdt_splice_struct(fdt, prop, proplen, 0);
+}
+
+int fdt_add_subnode_namelen(void *fdt, int parentoffset,
+ const char *name, int namelen)
+{
+ struct fdt_node_header *nh;
+ int offset, nextoffset;
+ int nodelen;
+ int err;
+ uint32_t tag;
+ uint32_t *endtag;
+
+ FDT_RW_CHECK_HEADER(fdt);
+
+ offset = fdt_subnode_offset_namelen(fdt, parentoffset, name, namelen);
+ if (offset >= 0)
+ return -FDT_ERR_EXISTS;
+ else if (offset != -FDT_ERR_NOTFOUND)
+ return offset;
+
+ /* Try to place the new node after the parent's properties */
+ fdt_next_tag(fdt, parentoffset, &nextoffset); /* skip the BEGIN_NODE */
+ do {
+ offset = nextoffset;
+ tag = fdt_next_tag(fdt, offset, &nextoffset);
+ } while ((tag == FDT_PROP) || (tag == FDT_NOP));
+
+ nh = _fdt_offset_ptr_w(fdt, offset);
+ nodelen = sizeof(*nh) + FDT_TAGALIGN(namelen+1) + FDT_TAGSIZE;
+
+ err = _fdt_splice_struct(fdt, nh, 0, nodelen);
+ if (err)
+ return err;
+
+ nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
+ memset(nh->name, 0, FDT_TAGALIGN(namelen+1));
+ memcpy(nh->name, name, namelen);
+ endtag = (uint32_t *)((char *)nh + nodelen - FDT_TAGSIZE);
+ *endtag = cpu_to_fdt32(FDT_END_NODE);
+
+ return offset;
+}
+
+int fdt_add_subnode(void *fdt, int parentoffset, const char *name)
+{
+ return fdt_add_subnode_namelen(fdt, parentoffset, name, strlen(name));
+}
+
+int fdt_del_node(void *fdt, int nodeoffset)
+{
+ int endoffset;
+
+ FDT_RW_CHECK_HEADER(fdt);
+
+ endoffset = _fdt_node_end_offset(fdt, nodeoffset);
+ if (endoffset < 0)
+ return endoffset;
+
+ return _fdt_splice_struct(fdt, _fdt_offset_ptr_w(fdt, nodeoffset),
+ endoffset - nodeoffset, 0);
+}
+
+static void _fdt_packblocks(const char *old, char *new,
+ int mem_rsv_size, int struct_size)
+{
+ int mem_rsv_off, struct_off, strings_off;
+
+ mem_rsv_off = FDT_ALIGN(sizeof(struct fdt_header), 8);
+ struct_off = mem_rsv_off + mem_rsv_size;
+ strings_off = struct_off + struct_size;
+
+ memmove(new + mem_rsv_off, old + fdt_off_mem_rsvmap(old), mem_rsv_size);
+ fdt_set_off_mem_rsvmap(new, mem_rsv_off);
+
+ memmove(new + struct_off, old + fdt_off_dt_struct(old), struct_size);
+ fdt_set_off_dt_struct(new, struct_off);
+ fdt_set_size_dt_struct(new, struct_size);
+
+ memmove(new + strings_off, old + fdt_off_dt_strings(old),
+ fdt_size_dt_strings(old));
+ fdt_set_off_dt_strings(new, strings_off);
+ fdt_set_size_dt_strings(new, fdt_size_dt_strings(old));
+}
+
+int fdt_open_into(const void *fdt, void *buf, int bufsize)
+{
+ int err;
+ int mem_rsv_size, struct_size;
+ int newsize;
+ const char *fdtstart = fdt;
+ const char *fdtend = fdtstart + fdt_totalsize(fdt);
+ char *tmp;
+
+ FDT_CHECK_HEADER(fdt);
+
+ mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
+ * sizeof(struct fdt_reserve_entry);
+
+ if (fdt_version(fdt) >= 17) {
+ struct_size = fdt_size_dt_struct(fdt);
+ } else {
+ struct_size = 0;
+ while (fdt_next_tag(fdt, struct_size, &struct_size) != FDT_END)
+ ;
+ if (struct_size < 0)
+ return struct_size;
+ }
+
+ if (!_fdt_blocks_misordered(fdt, mem_rsv_size, struct_size)) {
+ /* no further work necessary */
+ err = fdt_move(fdt, buf, bufsize);
+ if (err)
+ return err;
+ fdt_set_version(buf, 17);
+ fdt_set_size_dt_struct(buf, struct_size);
+ fdt_set_totalsize(buf, bufsize);
+ return 0;
+ }
+
+ /* Need to reorder */
+ newsize = FDT_ALIGN(sizeof(struct fdt_header), 8) + mem_rsv_size
+ + struct_size + fdt_size_dt_strings(fdt);
+
+ if (bufsize < newsize)
+ return -FDT_ERR_NOSPACE;
+
+ /* First attempt to build converted tree at beginning of buffer */
+ tmp = buf;
+ /* But if that overlaps with the old tree... */
+ if (((tmp + newsize) > fdtstart) && (tmp < fdtend)) {
+ /* Try right after the old tree instead */
+ tmp = (char *)(uintptr_t)fdtend;
+ if ((tmp + newsize) > ((char *)buf + bufsize))
+ return -FDT_ERR_NOSPACE;
+ }
+
+ _fdt_packblocks(fdt, tmp, mem_rsv_size, struct_size);
+ memmove(buf, tmp, newsize);
+
+ fdt_set_magic(buf, FDT_MAGIC);
+ fdt_set_totalsize(buf, bufsize);
+ fdt_set_version(buf, 17);
+ fdt_set_last_comp_version(buf, 16);
+ fdt_set_boot_cpuid_phys(buf, fdt_boot_cpuid_phys(fdt));
+
+ return 0;
+}
+
+int fdt_pack(void *fdt)
+{
+ int mem_rsv_size;
+
+ FDT_RW_CHECK_HEADER(fdt);
+
+ mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
+ * sizeof(struct fdt_reserve_entry);
+ _fdt_packblocks(fdt, fdt, mem_rsv_size, fdt_size_dt_struct(fdt));
+ fdt_set_totalsize(fdt, _fdt_data_size(fdt));
+
+ return 0;
+}
--- /dev/null
+/*
+ * 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"
+
+#ifndef USE_HOSTCC
+#include <fdt.h>
+#include <libfdt.h>
+#else
+#include "fdt_host.h"
+#endif
+
+#include "libfdt_internal.h"
+
+struct fdt_errtabent {
+ const char *str;
+};
+
+#define FDT_ERRTABENT(val) \
+ [(val)] = { .str = #val, }
+
+static struct fdt_errtabent fdt_errtable[] = {
+ FDT_ERRTABENT(FDT_ERR_NOTFOUND),
+ FDT_ERRTABENT(FDT_ERR_EXISTS),
+ FDT_ERRTABENT(FDT_ERR_NOSPACE),
+
+ FDT_ERRTABENT(FDT_ERR_BADOFFSET),
+ FDT_ERRTABENT(FDT_ERR_BADPATH),
+ FDT_ERRTABENT(FDT_ERR_BADSTATE),
+
+ FDT_ERRTABENT(FDT_ERR_TRUNCATED),
+ FDT_ERRTABENT(FDT_ERR_BADMAGIC),
+ FDT_ERRTABENT(FDT_ERR_BADVERSION),
+ FDT_ERRTABENT(FDT_ERR_BADSTRUCTURE),
+ FDT_ERRTABENT(FDT_ERR_BADLAYOUT),
+};
+#define FDT_ERRTABSIZE (sizeof(fdt_errtable) / sizeof(fdt_errtable[0]))
+
+const char *fdt_strerror(int errval)
+{
+ if (errval > 0)
+ return "<valid offset/length>";
+ else if (errval == 0)
+ return "<no error>";
+ else if (errval > -FDT_ERRTABSIZE) {
+ const char *s = fdt_errtable[-errval].str;
+
+ if (s)
+ return s;
+ }
+
+ return "<unknown error>";
+}
--- /dev/null
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * libfdt is dual licensed: you can use it either under the terms of
+ * the GPL, or the BSD license, at your option.
+ *
+ * a) This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ *
+ * Alternatively,
+ *
+ * b) Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "libfdt_env.h"
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "libfdt_internal.h"
+
+static int _fdt_sw_check_header(void *fdt)
+{
+ if (fdt_magic(fdt) != FDT_SW_MAGIC)
+ return -FDT_ERR_BADMAGIC;
+ /* FIXME: should check more details about the header state */
+ return 0;
+}
+
+#define FDT_SW_CHECK_HEADER(fdt) \
+ { \
+ int err; \
+ if ((err = _fdt_sw_check_header(fdt)) != 0) \
+ return err; \
+ }
+
+static void *_fdt_grab_space(void *fdt, size_t len)
+{
+ int offset = fdt_size_dt_struct(fdt);
+ int spaceleft;
+
+ spaceleft = fdt_totalsize(fdt) - fdt_off_dt_struct(fdt)
+ - fdt_size_dt_strings(fdt);
+
+ if ((offset + len < offset) || (offset + len > spaceleft))
+ return NULL;
+
+ fdt_set_size_dt_struct(fdt, offset + len);
+ return _fdt_offset_ptr_w(fdt, offset);
+}
+
+int fdt_create(void *buf, int bufsize)
+{
+ void *fdt = buf;
+
+ if (bufsize < sizeof(struct fdt_header))
+ return -FDT_ERR_NOSPACE;
+
+ memset(buf, 0, bufsize);
+
+ fdt_set_magic(fdt, FDT_SW_MAGIC);
+ fdt_set_version(fdt, FDT_LAST_SUPPORTED_VERSION);
+ fdt_set_last_comp_version(fdt, FDT_FIRST_SUPPORTED_VERSION);
+ fdt_set_totalsize(fdt, bufsize);
+
+ fdt_set_off_mem_rsvmap(fdt, FDT_ALIGN(sizeof(struct fdt_header),
+ sizeof(struct fdt_reserve_entry)));
+ fdt_set_off_dt_struct(fdt, fdt_off_mem_rsvmap(fdt));
+ fdt_set_off_dt_strings(fdt, bufsize);
+
+ return 0;
+}
+
+int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size)
+{
+ struct fdt_reserve_entry *re;
+ int offset;
+
+ FDT_SW_CHECK_HEADER(fdt);
+
+ if (fdt_size_dt_struct(fdt))
+ return -FDT_ERR_BADSTATE;
+
+ offset = fdt_off_dt_struct(fdt);
+ if ((offset + sizeof(*re)) > fdt_totalsize(fdt))
+ return -FDT_ERR_NOSPACE;
+
+ re = (struct fdt_reserve_entry *)((char *)fdt + offset);
+ re->address = cpu_to_fdt64(addr);
+ re->size = cpu_to_fdt64(size);
+
+ fdt_set_off_dt_struct(fdt, offset + sizeof(*re));
+
+ return 0;
+}
+
+int fdt_finish_reservemap(void *fdt)
+{
+ return fdt_add_reservemap_entry(fdt, 0, 0);
+}
+
+int fdt_begin_node(void *fdt, const char *name)
+{
+ struct fdt_node_header *nh;
+ int namelen = strlen(name) + 1;
+
+ FDT_SW_CHECK_HEADER(fdt);
+
+ nh = _fdt_grab_space(fdt, sizeof(*nh) + FDT_TAGALIGN(namelen));
+ if (! nh)
+ return -FDT_ERR_NOSPACE;
+
+ nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
+ memcpy(nh->name, name, namelen);
+ return 0;
+}
+
+int fdt_end_node(void *fdt)
+{
+ uint32_t *en;
+
+ FDT_SW_CHECK_HEADER(fdt);
+
+ en = _fdt_grab_space(fdt, FDT_TAGSIZE);
+ if (! en)
+ return -FDT_ERR_NOSPACE;
+
+ *en = cpu_to_fdt32(FDT_END_NODE);
+ return 0;
+}
+
+static int _fdt_find_add_string(void *fdt, const char *s)
+{
+ char *strtab = (char *)fdt + fdt_totalsize(fdt);
+ const char *p;
+ int strtabsize = fdt_size_dt_strings(fdt);
+ int len = strlen(s) + 1;
+ int struct_top, offset;
+
+ p = _fdt_find_string(strtab - strtabsize, strtabsize, s);
+ if (p)
+ return p - strtab;
+
+ /* Add it */
+ offset = -strtabsize - len;
+ struct_top = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
+ if (fdt_totalsize(fdt) + offset < struct_top)
+ return 0; /* no more room :( */
+
+ memcpy(strtab + offset, s, len);
+ fdt_set_size_dt_strings(fdt, strtabsize + len);
+ return offset;
+}
+
+int fdt_property(void *fdt, const char *name, const void *val, int len)
+{
+ struct fdt_property *prop;
+ int nameoff;
+
+ FDT_SW_CHECK_HEADER(fdt);
+
+ nameoff = _fdt_find_add_string(fdt, name);
+ if (nameoff == 0)
+ return -FDT_ERR_NOSPACE;
+
+ prop = _fdt_grab_space(fdt, sizeof(*prop) + FDT_TAGALIGN(len));
+ if (! prop)
+ return -FDT_ERR_NOSPACE;
+
+ prop->tag = cpu_to_fdt32(FDT_PROP);
+ prop->nameoff = cpu_to_fdt32(nameoff);
+ prop->len = cpu_to_fdt32(len);
+ memcpy(prop->data, val, len);
+ return 0;
+}
+
+int fdt_finish(void *fdt)
+{
+ char *p = (char *)fdt;
+ uint32_t *end;
+ int oldstroffset, newstroffset;
+ uint32_t tag;
+ int offset, nextoffset;
+
+ FDT_SW_CHECK_HEADER(fdt);
+
+ /* Add terminator */
+ end = _fdt_grab_space(fdt, sizeof(*end));
+ if (! end)
+ return -FDT_ERR_NOSPACE;
+ *end = cpu_to_fdt32(FDT_END);
+
+ /* Relocate the string table */
+ oldstroffset = fdt_totalsize(fdt) - fdt_size_dt_strings(fdt);
+ newstroffset = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
+ memmove(p + newstroffset, p + oldstroffset, fdt_size_dt_strings(fdt));
+ fdt_set_off_dt_strings(fdt, newstroffset);
+
+ /* Walk the structure, correcting string offsets */
+ offset = 0;
+ while ((tag = fdt_next_tag(fdt, offset, &nextoffset)) != FDT_END) {
+ if (tag == FDT_PROP) {
+ struct fdt_property *prop =
+ _fdt_offset_ptr_w(fdt, offset);
+ int nameoff;
+
+ nameoff = fdt32_to_cpu(prop->nameoff);
+ nameoff += fdt_size_dt_strings(fdt);
+ prop->nameoff = cpu_to_fdt32(nameoff);
+ }
+ offset = nextoffset;
+ }
+ if (nextoffset < 0)
+ return nextoffset;
+
+ /* Finally, adjust the header */
+ fdt_set_totalsize(fdt, newstroffset + fdt_size_dt_strings(fdt));
+ fdt_set_magic(fdt, FDT_MAGIC);
+ return 0;
+}
--- /dev/null
+/*
+ * 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"
+
+#ifndef USE_HOSTCC
+#include <fdt.h>
+#include <libfdt.h>
+#else
+#include "fdt_host.h"
+#endif
+
+#include "libfdt_internal.h"
+
+int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
+ const void *val, int len)
+{
+ void *propval;
+ int proplen;
+
+ propval = fdt_getprop_w(fdt, nodeoffset, name, &proplen);
+ if (! propval)
+ return proplen;
+
+ if (proplen != len)
+ return -FDT_ERR_NOSPACE;
+
+ memcpy(propval, val, len);
+ return 0;
+}
+
+static void _fdt_nop_region(void *start, int len)
+{
+ uint32_t *p;
+
+ for (p = start; (char *)p < ((char *)start + len); p++)
+ *p = cpu_to_fdt32(FDT_NOP);
+}
+
+int fdt_nop_property(void *fdt, int nodeoffset, const char *name)
+{
+ struct fdt_property *prop;
+ int len;
+
+ prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
+ if (! prop)
+ return len;
+
+ _fdt_nop_region(prop, len + sizeof(*prop));
+
+ return 0;
+}
+
+int _fdt_node_end_offset(void *fdt, int offset)
+{
+ int depth = 0;
+
+ while ((offset >= 0) && (depth >= 0))
+ offset = fdt_next_node(fdt, offset, &depth);
+
+ return offset;
+}
+
+int fdt_nop_node(void *fdt, int nodeoffset)
+{
+ int endoffset;
+
+ endoffset = _fdt_node_end_offset(fdt, nodeoffset);
+ if (endoffset < 0)
+ return endoffset;
+
+ _fdt_nop_region(fdt_offset_ptr_w(fdt, nodeoffset, 0),
+ endoffset - nodeoffset);
+ return 0;
+}
--- /dev/null
+#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);
+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 */
+++ /dev/null
-#
-# (C) Copyright 2000-2007
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program 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 program 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 program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)libfdt.a
-
-SOBJS =
-
-COBJS-libfdt += fdt.o fdt_ro.o fdt_rw.o fdt_strerror.o fdt_sw.o fdt_wip.o
-
-COBJS-$(CONFIG_OF_LIBFDT) += $(COBJS-libfdt)
-COBJS-$(CONFIG_FIT) += $(COBJS-libfdt)
-
-
-COBJS := $(sort $(COBJS-y))
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
-
-$(LIB): $(obj).depend $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+++ /dev/null
-The libfdt functionality was written by David Gibson. The original
-source came from the git repository:
-
-URL: git://ozlabs.org/home/dgibson/git/libfdt.git
-
-author David Gibson <dgibson@sneetch.(none)>
- Fri, 23 Mar 2007 04:16:54 +0000 (15:16 +1100)
-committer David Gibson <dgibson@sneetch.(none)>
- Fri, 23 Mar 2007 04:16:54 +0000 (15:16 +1100)
-commit 857f54e79f74429af20c2b5ecc00ee98af6a3b8b
-tree 2f648f0f88225a51ded452968d28b4402df8ade0
-parent 07a12a08005f3b5cd9337900a6551e450c07b515
-
-To adapt for u-boot usage, only the applicable files were copied and
-imported into the u-boot git repository.
-Omitted:
-* GPL - u-boot comes with a copy of the GPL license
-* test subdirectory - not directly useful for u-boot
-
-After importing, other customizations were performed. See the git log
-for details.
-
-Jerry Van Baren
+++ /dev/null
-/*
- * 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"
-
-#ifndef USE_HOSTCC
-#include <fdt.h>
-#include <libfdt.h>
-#else
-#include "fdt_host.h"
-#endif
-
-#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)
-{
- const char *p;
-
- if (fdt_version(fdt) >= 0x11)
- if (((offset + len) < offset)
- || ((offset + len) > fdt_size_dt_struct(fdt)))
- return NULL;
-
- p = _fdt_offset_ptr(fdt, offset);
-
- if (p + len < p)
- return NULL;
- return p;
-}
-
-uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset)
-{
- const uint32_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_next_node(const void *fdt, int offset, int *depth)
-{
- int nextoffset = 0;
- uint32_t tag;
-
- if (offset >= 0)
- if ((nextoffset = _fdt_check_node_offset(fdt, offset)) < 0)
- return nextoffset;
-
- do {
- offset = nextoffset;
- tag = fdt_next_tag(fdt, offset, &nextoffset);
-
- switch (tag) {
- case FDT_PROP:
- case FDT_NOP:
- break;
-
- case FDT_BEGIN_NODE:
- if (depth)
- (*depth)++;
- break;
-
- case FDT_END_NODE:
- if (depth && ((--(*depth)) < 0))
- return nextoffset;
- break;
-
- case FDT_END:
- if ((nextoffset >= 0)
- || ((nextoffset == -FDT_ERR_TRUNCATED) && !depth))
- return -FDT_ERR_NOTFOUND;
- else
- return nextoffset;
- }
- } while (tag != FDT_BEGIN_NODE);
-
- return offset;
-}
-
-const char *_fdt_find_string(const char *strtab, int tabsize, const char *s)
-{
- int len = strlen(s) + 1;
- const char *last = strtab + tabsize - len;
- const char *p;
-
- for (p = strtab; p <= last; p++)
- if (memcmp(p, s, len) == 0)
- return p;
- return NULL;
-}
-
-int fdt_move(const void *fdt, void *buf, int bufsize)
-{
- FDT_CHECK_HEADER(fdt);
-
- if (fdt_totalsize(fdt) > bufsize)
- return -FDT_ERR_NOSPACE;
-
- memmove(buf, fdt, fdt_totalsize(fdt));
- return 0;
-}
+++ /dev/null
-/*
- * 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"
-
-#ifndef USE_HOSTCC
-#include <fdt.h>
-#include <libfdt.h>
-#else
-#include "fdt_host.h"
-#endif
-
-#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);
-}
-
-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;
-}
-
-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(const void *fdt, const char *path)
-{
- const char *end = path + strlen(path);
- const char *p = path;
- int offset = 0;
-
- FDT_CHECK_HEADER(fdt);
-
- /* see if we have an alias */
- if (*path != '/') {
- const char *q = strchr(path, '/');
-
- 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) {
- const char *q;
-
- while (*p == '/')
- p++;
- if (! *p)
- return offset;
- q = strchr(p, '/');
- if (! q)
- q = end;
-
- offset = fdt_subnode_offset_namelen(fdt, offset, p, q-p);
- if (offset < 0)
- return offset;
-
- p = q;
- }
-
- return offset;
-}
-
-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;
-}
-
-const struct fdt_property *fdt_get_property_namelen(const void *fdt,
- int nodeoffset,
- const char *name,
- int namelen, int *lenp)
-{
- uint32_t tag;
- const struct fdt_property *prop;
- int offset, nextoffset;
- int err;
-
- if (((err = fdt_check_header(fdt)) != 0)
- || ((err = _fdt_check_node_offset(fdt, nodeoffset)) < 0))
- goto fail;
-
- nextoffset = err;
- do {
- offset = nextoffset;
-
- tag = fdt_next_tag(fdt, offset, &nextoffset);
- switch (tag) {
- case FDT_END:
- if (nextoffset < 0)
- err = nextoffset;
- else
- /* FDT_END tag with unclosed nodes */
- err = -FDT_ERR_BADSTRUCTURE;
- goto fail;
-
- case FDT_PROP:
- prop = _fdt_offset_ptr(fdt, offset);
- if (_fdt_string_eq(fdt, fdt32_to_cpu(prop->nameoff),
- name, namelen)) {
- /* Found it! */
- if (lenp)
- *lenp = fdt32_to_cpu(prop->len);
-
- return prop;
- }
- break;
- }
- } while ((tag != FDT_BEGIN_NODE) && (tag != FDT_END_NODE));
-
- err = -FDT_ERR_NOTFOUND;
- fail:
- if (lenp)
- *lenp = err;
- 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(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 uint32_t *php;
- int len;
-
- 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)
-{
- if ((phandle == 0) || (phandle == -1))
- return -FDT_ERR_BADPHANDLE;
- phandle = cpu_to_fdt32(phandle);
- return fdt_node_offset_by_prop_value(fdt, -1, "linux,phandle",
- &phandle, sizeof(phandle));
-}
-
-static 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_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;
- if (_fdt_stringlist_contains(prop, len, compatible))
- return 0;
- else
- return 1;
-}
-
-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() */
-}
+++ /dev/null
-/*
- * 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"
-
-#ifndef USE_HOSTCC
-#include <fdt.h>
-#include <libfdt.h>
-#else
-#include "fdt_host.h"
-#endif
-
-#include "libfdt_internal.h"
-
-static int _fdt_blocks_misordered(const void *fdt,
- int mem_rsv_size, int struct_size)
-{
- return (fdt_off_mem_rsvmap(fdt) < FDT_ALIGN(sizeof(struct fdt_header), 8))
- || (fdt_off_dt_struct(fdt) <
- (fdt_off_mem_rsvmap(fdt) + mem_rsv_size))
- || (fdt_off_dt_strings(fdt) <
- (fdt_off_dt_struct(fdt) + struct_size))
- || (fdt_totalsize(fdt) <
- (fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt)));
-}
-
-static int _fdt_rw_check_header(void *fdt)
-{
- FDT_CHECK_HEADER(fdt);
-
- if (fdt_version(fdt) < 17)
- return -FDT_ERR_BADVERSION;
- if (_fdt_blocks_misordered(fdt, sizeof(struct fdt_reserve_entry),
- fdt_size_dt_struct(fdt)))
- return -FDT_ERR_BADLAYOUT;
- if (fdt_version(fdt) > 17)
- fdt_set_version(fdt, 17);
-
- return 0;
-}
-
-#define FDT_RW_CHECK_HEADER(fdt) \
- { \
- int err; \
- if ((err = _fdt_rw_check_header(fdt)) != 0) \
- return err; \
- }
-
-static inline int _fdt_data_size(void *fdt)
-{
- return fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt);
-}
-
-static int _fdt_splice(void *fdt, void *splicepoint, int oldlen, int newlen)
-{
- char *p = splicepoint;
- char *end = (char *)fdt + _fdt_data_size(fdt);
-
- if (((p + oldlen) < p) || ((p + oldlen) > end))
- return -FDT_ERR_BADOFFSET;
- if ((end - oldlen + newlen) > ((char *)fdt + fdt_totalsize(fdt)))
- return -FDT_ERR_NOSPACE;
- memmove(p + newlen, p + oldlen, end - p - oldlen);
- return 0;
-}
-
-static int _fdt_splice_mem_rsv(void *fdt, struct fdt_reserve_entry *p,
- int oldn, int newn)
-{
- int delta = (newn - oldn) * sizeof(*p);
- int err;
- err = _fdt_splice(fdt, p, oldn * sizeof(*p), newn * sizeof(*p));
- if (err)
- return err;
- fdt_set_off_dt_struct(fdt, fdt_off_dt_struct(fdt) + delta);
- fdt_set_off_dt_strings(fdt, fdt_off_dt_strings(fdt) + delta);
- return 0;
-}
-
-static int _fdt_splice_struct(void *fdt, void *p,
- int oldlen, int newlen)
-{
- int delta = newlen - oldlen;
- int err;
-
- 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);
- int err;
-
- FDT_RW_CHECK_HEADER(fdt);
-
- if (n >= fdt_num_mem_rsv(fdt))
- return -FDT_ERR_NOTFOUND;
-
- err = _fdt_splice_mem_rsv(fdt, re, 1, 0);
- if (err)
- return err;
- return 0;
-}
-
-static int _fdt_resize_property(void *fdt, int nodeoffset, const char *name,
- int len, struct fdt_property **prop)
-{
- int oldlen;
- int err;
-
- *prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen);
- if (! (*prop))
- return oldlen;
-
- 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(void *fdt, int nodeoffset, const char *name,
- const void *val, int len)
-{
- struct fdt_property *prop;
- int err;
-
- FDT_RW_CHECK_HEADER(fdt);
-
- err = _fdt_resize_property(fdt, nodeoffset, name, len, &prop);
- if (err == -FDT_ERR_NOTFOUND)
- err = _fdt_add_property(fdt, nodeoffset, name, len, &prop);
- if (err)
- return err;
-
- memcpy(prop->data, val, len);
- return 0;
-}
-
-int fdt_delprop(void *fdt, int nodeoffset, const char *name)
-{
- struct fdt_property *prop;
- int len, proplen;
-
- FDT_RW_CHECK_HEADER(fdt);
-
- prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
- if (! prop)
- return len;
-
- proplen = sizeof(*prop) + FDT_TAGALIGN(len);
- return _fdt_splice_struct(fdt, prop, proplen, 0);
-}
-
-int fdt_add_subnode_namelen(void *fdt, int parentoffset,
- const char *name, int namelen)
-{
- struct fdt_node_header *nh;
- int offset, nextoffset;
- int nodelen;
- int err;
- uint32_t tag;
- uint32_t *endtag;
-
- FDT_RW_CHECK_HEADER(fdt);
-
- offset = fdt_subnode_offset_namelen(fdt, parentoffset, name, namelen);
- if (offset >= 0)
- return -FDT_ERR_EXISTS;
- else if (offset != -FDT_ERR_NOTFOUND)
- return offset;
-
- /* Try to place the new node after the parent's properties */
- fdt_next_tag(fdt, parentoffset, &nextoffset); /* skip the BEGIN_NODE */
- do {
- offset = nextoffset;
- tag = fdt_next_tag(fdt, offset, &nextoffset);
- } while ((tag == FDT_PROP) || (tag == FDT_NOP));
-
- nh = _fdt_offset_ptr_w(fdt, offset);
- nodelen = sizeof(*nh) + FDT_TAGALIGN(namelen+1) + FDT_TAGSIZE;
-
- err = _fdt_splice_struct(fdt, nh, 0, nodelen);
- if (err)
- return err;
-
- nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
- memset(nh->name, 0, FDT_TAGALIGN(namelen+1));
- memcpy(nh->name, name, namelen);
- endtag = (uint32_t *)((char *)nh + nodelen - FDT_TAGSIZE);
- *endtag = cpu_to_fdt32(FDT_END_NODE);
-
- return offset;
-}
-
-int fdt_add_subnode(void *fdt, int parentoffset, const char *name)
-{
- return fdt_add_subnode_namelen(fdt, parentoffset, name, strlen(name));
-}
-
-int fdt_del_node(void *fdt, int nodeoffset)
-{
- int endoffset;
-
- FDT_RW_CHECK_HEADER(fdt);
-
- endoffset = _fdt_node_end_offset(fdt, nodeoffset);
- if (endoffset < 0)
- return endoffset;
-
- return _fdt_splice_struct(fdt, _fdt_offset_ptr_w(fdt, nodeoffset),
- endoffset - nodeoffset, 0);
-}
-
-static void _fdt_packblocks(const char *old, char *new,
- int mem_rsv_size, int struct_size)
-{
- int mem_rsv_off, struct_off, strings_off;
-
- mem_rsv_off = FDT_ALIGN(sizeof(struct fdt_header), 8);
- struct_off = mem_rsv_off + mem_rsv_size;
- strings_off = struct_off + struct_size;
-
- memmove(new + mem_rsv_off, old + fdt_off_mem_rsvmap(old), mem_rsv_size);
- fdt_set_off_mem_rsvmap(new, mem_rsv_off);
-
- memmove(new + struct_off, old + fdt_off_dt_struct(old), struct_size);
- fdt_set_off_dt_struct(new, struct_off);
- fdt_set_size_dt_struct(new, struct_size);
-
- memmove(new + strings_off, old + fdt_off_dt_strings(old),
- fdt_size_dt_strings(old));
- fdt_set_off_dt_strings(new, strings_off);
- fdt_set_size_dt_strings(new, fdt_size_dt_strings(old));
-}
-
-int fdt_open_into(const void *fdt, void *buf, int bufsize)
-{
- int err;
- int mem_rsv_size, struct_size;
- int newsize;
- const char *fdtstart = fdt;
- const char *fdtend = fdtstart + fdt_totalsize(fdt);
- char *tmp;
-
- FDT_CHECK_HEADER(fdt);
-
- mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
- * sizeof(struct fdt_reserve_entry);
-
- if (fdt_version(fdt) >= 17) {
- struct_size = fdt_size_dt_struct(fdt);
- } else {
- struct_size = 0;
- while (fdt_next_tag(fdt, struct_size, &struct_size) != FDT_END)
- ;
- if (struct_size < 0)
- return struct_size;
- }
-
- if (!_fdt_blocks_misordered(fdt, mem_rsv_size, struct_size)) {
- /* no further work necessary */
- err = fdt_move(fdt, buf, bufsize);
- if (err)
- return err;
- fdt_set_version(buf, 17);
- fdt_set_size_dt_struct(buf, struct_size);
- fdt_set_totalsize(buf, bufsize);
- return 0;
- }
-
- /* Need to reorder */
- newsize = FDT_ALIGN(sizeof(struct fdt_header), 8) + mem_rsv_size
- + struct_size + fdt_size_dt_strings(fdt);
-
- if (bufsize < newsize)
- return -FDT_ERR_NOSPACE;
-
- /* First attempt to build converted tree at beginning of buffer */
- tmp = buf;
- /* But if that overlaps with the old tree... */
- if (((tmp + newsize) > fdtstart) && (tmp < fdtend)) {
- /* Try right after the old tree instead */
- tmp = (char *)(uintptr_t)fdtend;
- if ((tmp + newsize) > ((char *)buf + bufsize))
- return -FDT_ERR_NOSPACE;
- }
-
- _fdt_packblocks(fdt, tmp, mem_rsv_size, struct_size);
- memmove(buf, tmp, newsize);
-
- fdt_set_magic(buf, FDT_MAGIC);
- fdt_set_totalsize(buf, bufsize);
- fdt_set_version(buf, 17);
- fdt_set_last_comp_version(buf, 16);
- fdt_set_boot_cpuid_phys(buf, fdt_boot_cpuid_phys(fdt));
-
- return 0;
-}
-
-int fdt_pack(void *fdt)
-{
- int mem_rsv_size;
-
- FDT_RW_CHECK_HEADER(fdt);
-
- mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
- * sizeof(struct fdt_reserve_entry);
- _fdt_packblocks(fdt, fdt, mem_rsv_size, fdt_size_dt_struct(fdt));
- fdt_set_totalsize(fdt, _fdt_data_size(fdt));
-
- return 0;
-}
+++ /dev/null
-/*
- * 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"
-
-#ifndef USE_HOSTCC
-#include <fdt.h>
-#include <libfdt.h>
-#else
-#include "fdt_host.h"
-#endif
-
-#include "libfdt_internal.h"
-
-struct fdt_errtabent {
- const char *str;
-};
-
-#define FDT_ERRTABENT(val) \
- [(val)] = { .str = #val, }
-
-static struct fdt_errtabent fdt_errtable[] = {
- FDT_ERRTABENT(FDT_ERR_NOTFOUND),
- FDT_ERRTABENT(FDT_ERR_EXISTS),
- FDT_ERRTABENT(FDT_ERR_NOSPACE),
-
- FDT_ERRTABENT(FDT_ERR_BADOFFSET),
- FDT_ERRTABENT(FDT_ERR_BADPATH),
- FDT_ERRTABENT(FDT_ERR_BADSTATE),
-
- FDT_ERRTABENT(FDT_ERR_TRUNCATED),
- FDT_ERRTABENT(FDT_ERR_BADMAGIC),
- FDT_ERRTABENT(FDT_ERR_BADVERSION),
- FDT_ERRTABENT(FDT_ERR_BADSTRUCTURE),
- FDT_ERRTABENT(FDT_ERR_BADLAYOUT),
-};
-#define FDT_ERRTABSIZE (sizeof(fdt_errtable) / sizeof(fdt_errtable[0]))
-
-const char *fdt_strerror(int errval)
-{
- if (errval > 0)
- return "<valid offset/length>";
- else if (errval == 0)
- return "<no error>";
- else if (errval > -FDT_ERRTABSIZE) {
- const char *s = fdt_errtable[-errval].str;
-
- if (s)
- return s;
- }
-
- return "<unknown error>";
-}
+++ /dev/null
-/*
- * libfdt - Flat Device Tree manipulation
- * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * libfdt is dual licensed: you can use it either under the terms of
- * the GPL, or the BSD license, at your option.
- *
- * a) This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
- *
- * Alternatively,
- *
- * b) Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * 1. Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- * 2. Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "libfdt_env.h"
-
-#include <fdt.h>
-#include <libfdt.h>
-
-#include "libfdt_internal.h"
-
-static int _fdt_sw_check_header(void *fdt)
-{
- if (fdt_magic(fdt) != FDT_SW_MAGIC)
- return -FDT_ERR_BADMAGIC;
- /* FIXME: should check more details about the header state */
- return 0;
-}
-
-#define FDT_SW_CHECK_HEADER(fdt) \
- { \
- int err; \
- if ((err = _fdt_sw_check_header(fdt)) != 0) \
- return err; \
- }
-
-static void *_fdt_grab_space(void *fdt, size_t len)
-{
- int offset = fdt_size_dt_struct(fdt);
- int spaceleft;
-
- spaceleft = fdt_totalsize(fdt) - fdt_off_dt_struct(fdt)
- - fdt_size_dt_strings(fdt);
-
- if ((offset + len < offset) || (offset + len > spaceleft))
- return NULL;
-
- fdt_set_size_dt_struct(fdt, offset + len);
- return _fdt_offset_ptr_w(fdt, offset);
-}
-
-int fdt_create(void *buf, int bufsize)
-{
- void *fdt = buf;
-
- if (bufsize < sizeof(struct fdt_header))
- return -FDT_ERR_NOSPACE;
-
- memset(buf, 0, bufsize);
-
- fdt_set_magic(fdt, FDT_SW_MAGIC);
- fdt_set_version(fdt, FDT_LAST_SUPPORTED_VERSION);
- fdt_set_last_comp_version(fdt, FDT_FIRST_SUPPORTED_VERSION);
- fdt_set_totalsize(fdt, bufsize);
-
- fdt_set_off_mem_rsvmap(fdt, FDT_ALIGN(sizeof(struct fdt_header),
- sizeof(struct fdt_reserve_entry)));
- fdt_set_off_dt_struct(fdt, fdt_off_mem_rsvmap(fdt));
- fdt_set_off_dt_strings(fdt, bufsize);
-
- return 0;
-}
-
-int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size)
-{
- struct fdt_reserve_entry *re;
- int offset;
-
- FDT_SW_CHECK_HEADER(fdt);
-
- if (fdt_size_dt_struct(fdt))
- return -FDT_ERR_BADSTATE;
-
- offset = fdt_off_dt_struct(fdt);
- if ((offset + sizeof(*re)) > fdt_totalsize(fdt))
- return -FDT_ERR_NOSPACE;
-
- re = (struct fdt_reserve_entry *)((char *)fdt + offset);
- re->address = cpu_to_fdt64(addr);
- re->size = cpu_to_fdt64(size);
-
- fdt_set_off_dt_struct(fdt, offset + sizeof(*re));
-
- return 0;
-}
-
-int fdt_finish_reservemap(void *fdt)
-{
- return fdt_add_reservemap_entry(fdt, 0, 0);
-}
-
-int fdt_begin_node(void *fdt, const char *name)
-{
- struct fdt_node_header *nh;
- int namelen = strlen(name) + 1;
-
- FDT_SW_CHECK_HEADER(fdt);
-
- nh = _fdt_grab_space(fdt, sizeof(*nh) + FDT_TAGALIGN(namelen));
- if (! nh)
- return -FDT_ERR_NOSPACE;
-
- nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
- memcpy(nh->name, name, namelen);
- return 0;
-}
-
-int fdt_end_node(void *fdt)
-{
- uint32_t *en;
-
- FDT_SW_CHECK_HEADER(fdt);
-
- en = _fdt_grab_space(fdt, FDT_TAGSIZE);
- if (! en)
- return -FDT_ERR_NOSPACE;
-
- *en = cpu_to_fdt32(FDT_END_NODE);
- return 0;
-}
-
-static int _fdt_find_add_string(void *fdt, const char *s)
-{
- char *strtab = (char *)fdt + fdt_totalsize(fdt);
- const char *p;
- int strtabsize = fdt_size_dt_strings(fdt);
- int len = strlen(s) + 1;
- int struct_top, offset;
-
- p = _fdt_find_string(strtab - strtabsize, strtabsize, s);
- if (p)
- return p - strtab;
-
- /* Add it */
- offset = -strtabsize - len;
- struct_top = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
- if (fdt_totalsize(fdt) + offset < struct_top)
- return 0; /* no more room :( */
-
- memcpy(strtab + offset, s, len);
- fdt_set_size_dt_strings(fdt, strtabsize + len);
- return offset;
-}
-
-int fdt_property(void *fdt, const char *name, const void *val, int len)
-{
- struct fdt_property *prop;
- int nameoff;
-
- FDT_SW_CHECK_HEADER(fdt);
-
- nameoff = _fdt_find_add_string(fdt, name);
- if (nameoff == 0)
- return -FDT_ERR_NOSPACE;
-
- prop = _fdt_grab_space(fdt, sizeof(*prop) + FDT_TAGALIGN(len));
- if (! prop)
- return -FDT_ERR_NOSPACE;
-
- prop->tag = cpu_to_fdt32(FDT_PROP);
- prop->nameoff = cpu_to_fdt32(nameoff);
- prop->len = cpu_to_fdt32(len);
- memcpy(prop->data, val, len);
- return 0;
-}
-
-int fdt_finish(void *fdt)
-{
- char *p = (char *)fdt;
- uint32_t *end;
- int oldstroffset, newstroffset;
- uint32_t tag;
- int offset, nextoffset;
-
- FDT_SW_CHECK_HEADER(fdt);
-
- /* Add terminator */
- end = _fdt_grab_space(fdt, sizeof(*end));
- if (! end)
- return -FDT_ERR_NOSPACE;
- *end = cpu_to_fdt32(FDT_END);
-
- /* Relocate the string table */
- oldstroffset = fdt_totalsize(fdt) - fdt_size_dt_strings(fdt);
- newstroffset = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
- memmove(p + newstroffset, p + oldstroffset, fdt_size_dt_strings(fdt));
- fdt_set_off_dt_strings(fdt, newstroffset);
-
- /* Walk the structure, correcting string offsets */
- offset = 0;
- while ((tag = fdt_next_tag(fdt, offset, &nextoffset)) != FDT_END) {
- if (tag == FDT_PROP) {
- struct fdt_property *prop =
- _fdt_offset_ptr_w(fdt, offset);
- int nameoff;
-
- nameoff = fdt32_to_cpu(prop->nameoff);
- nameoff += fdt_size_dt_strings(fdt);
- prop->nameoff = cpu_to_fdt32(nameoff);
- }
- offset = nextoffset;
- }
- if (nextoffset < 0)
- return nextoffset;
-
- /* Finally, adjust the header */
- fdt_set_totalsize(fdt, newstroffset + fdt_size_dt_strings(fdt));
- fdt_set_magic(fdt, FDT_MAGIC);
- return 0;
-}
+++ /dev/null
-/*
- * 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"
-
-#ifndef USE_HOSTCC
-#include <fdt.h>
-#include <libfdt.h>
-#else
-#include "fdt_host.h"
-#endif
-
-#include "libfdt_internal.h"
-
-int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
- const void *val, int len)
-{
- void *propval;
- int proplen;
-
- propval = fdt_getprop_w(fdt, nodeoffset, name, &proplen);
- if (! propval)
- return proplen;
-
- if (proplen != len)
- return -FDT_ERR_NOSPACE;
-
- memcpy(propval, val, len);
- return 0;
-}
-
-static void _fdt_nop_region(void *start, int len)
-{
- uint32_t *p;
-
- for (p = start; (char *)p < ((char *)start + len); p++)
- *p = cpu_to_fdt32(FDT_NOP);
-}
-
-int fdt_nop_property(void *fdt, int nodeoffset, const char *name)
-{
- struct fdt_property *prop;
- int len;
-
- prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
- if (! prop)
- return len;
-
- _fdt_nop_region(prop, len + sizeof(*prop));
-
- return 0;
-}
-
-int _fdt_node_end_offset(void *fdt, int offset)
-{
- int depth = 0;
-
- while ((offset >= 0) && (depth >= 0))
- offset = fdt_next_node(fdt, offset, &depth);
-
- return offset;
-}
-
-int fdt_nop_node(void *fdt, int nodeoffset)
-{
- int endoffset;
-
- endoffset = _fdt_node_end_offset(fdt, nodeoffset);
- if (endoffset < 0)
- return endoffset;
-
- _fdt_nop_region(fdt_offset_ptr_w(fdt, nodeoffset, 0),
- endoffset - nodeoffset);
- return 0;
-}
+++ /dev/null
-#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);
-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 */
# now $(obj) is defined
HOSTSRCS += $(addprefix $(SRCTREE)/,$(EXT_OBJ_FILES-y:.o=.c))
HOSTSRCS += $(addprefix $(SRCTREE)/tools/,$(OBJ_FILES-y:.o=.c))
-HOSTSRCS += $(addprefix $(SRCTREE)/libfdt/,$(LIBFDT_OBJ_FILES-y:.o=.c))
+HOSTSRCS += $(addprefix $(SRCTREE)/lib/libfdt/,$(LIBFDT_OBJ_FILES-y:.o=.c))
BINS := $(addprefix $(obj),$(sort $(BIN_FILES-y)))
LIBFDT_OBJS := $(addprefix $(obj),$(LIBFDT_OBJ_FILES-y))
HOSTCPPFLAGS = -idirafter $(SRCTREE)/include \
-idirafter $(OBJTREE)/include2 \
-idirafter $(OBJTREE)/include \
- -I $(SRCTREE)/libfdt \
+ -I $(SRCTREE)/lib/libfdt \
-I $(SRCTREE)/tools \
-DTEXT_BASE=$(TEXT_BASE) -DUSE_HOSTCC \
-D__KERNEL_STRICT_NAMES
$(obj)%.o: $(SRCTREE)/lib/%.c
$(HOSTCC) -g $(HOSTCFLAGS) -c -o $@ $<
-$(obj)%.o: $(SRCTREE)/libfdt/%.c
+$(obj)%.o: $(SRCTREE)/lib/libfdt/%.c
$(HOSTCC) -g $(HOSTCFLAGS_NOPED) -c -o $@ $<
subdirs:
# now $(obj) is defined
SRCS += $(addprefix $(SRCTREE)/,$(EXT_OBJ_FILES-y:.o=.c))
SRCS += $(addprefix $(SRCTREE)/tools/,$(OBJ_FILES-y:.o=.c))
-SRCS += $(addprefix $(SRCTREE)/libfdt/,$(LIBFDT_OBJ_FILES-y:.o=.c))
+SRCS += $(addprefix $(SRCTREE)/lib/libfdt/,$(LIBFDT_OBJ_FILES-y:.o=.c))
BINS := $(addprefix $(obj),$(sort $(BIN_FILES-y)))
LIBFDT_OBJS := $(addprefix $(obj),$(LIBFDT_OBJ_FILES-y))
HOSTCPPFLAGS = -idirafter $(SRCTREE)/include \
-idirafter $(OBJTREE)/include2 \
-idirafter $(OBJTREE)/include \
- -I $(SRCTREE)/libfdt \
+ -I $(SRCTREE)/lib/libfdt \
-I $(SRCTREE)/tools \
-DUSE_HOSTCC -D__KERNEL_STRICT_NAMES
$(obj)%.o: $(SRCTREE)/lib/%.c
$(CC) -g $(HOSTCFLAGS) -c -o $@ $<
-$(obj)%.o: $(SRCTREE)/libfdt/%.c
+$(obj)%.o: $(SRCTREE)/lib/libfdt/%.c
$(CC) -g $(HOSTCFLAGS_NOPED) -c -o $@ $<
clean:
projects / u-boot / commitdiff