Author: imp
Date: Tue Jul 24 04:12:44 2012
New Revision: 238737
URL: http://svn.freebsd.org/changeset/base/238737
Log:
Add missing files in f807af192828222dee7a5c9f94d999673bb4d8a1 import.
Added:
vendor/dtc/dist/Makefile.utils (contents, props changed)
vendor/dtc/dist/dtdiff
vendor/dtc/dist/fdtdump.c (contents, props changed)
vendor/dtc/dist/fdtget.c (contents, props changed)
vendor/dtc/dist/fdtput.c (contents, props changed)
vendor/dtc/dist/libfdt/fdt_empty_tree.c (contents, props changed)
vendor/dtc/dist/tests/appendprop.dts
vendor/dtc/dist/tests/appendprop1.c (contents, props changed)
vendor/dtc/dist/tests/appendprop2.c (contents, props changed)
vendor/dtc/dist/tests/boot-cpuid.dts
vendor/dtc/dist/tests/char_literal.c (contents, props changed)
vendor/dtc/dist/tests/char_literal.dts
vendor/dtc/dist/tests/dependencies.cmp
vendor/dtc/dist/tests/dependencies.dts
vendor/dtc/dist/tests/deps_inc1.dtsi
vendor/dtc/dist/tests/deps_inc2.dtsi
vendor/dtc/dist/tests/dtb_reverse.c (contents, props changed)
vendor/dtc/dist/tests/dtbs_equal_unordered.c (contents, props changed)
vendor/dtc/dist/tests/dtc-fails.sh (contents, props changed)
vendor/dtc/dist/tests/fdtget-runtest.sh (contents, props changed)
vendor/dtc/dist/tests/fdtput-runtest.sh (contents, props changed)
vendor/dtc/dist/tests/include5a.dts
vendor/dtc/dist/tests/integer-expressions.c (contents, props changed)
vendor/dtc/dist/tests/label_repeated.dts
vendor/dtc/dist/tests/lorem.txt (contents, props changed)
vendor/dtc/dist/tests/multilabel.dts
vendor/dtc/dist/tests/multilabel_merge.dts
vendor/dtc/dist/tests/nonexist-node-ref2.dts
vendor/dtc/dist/tests/reuse-label.dts
vendor/dtc/dist/tests/reuse-label1.dts
vendor/dtc/dist/tests/reuse-label2.dts
vendor/dtc/dist/tests/reuse-label3.dts
vendor/dtc/dist/tests/reuse-label4.dts
vendor/dtc/dist/tests/reuse-label5.dts
vendor/dtc/dist/tests/reuse-label6.dts
vendor/dtc/dist/tests/search_dir/
vendor/dtc/dist/tests/search_dir/search_test.dtsi
vendor/dtc/dist/tests/search_dir/search_test2.dtsi
vendor/dtc/dist/tests/search_dir_b/
vendor/dtc/dist/tests/search_dir_b/search_paths_subdir.dts
vendor/dtc/dist/tests/search_dir_b/search_test_b.dtsi
vendor/dtc/dist/tests/search_dir_b/search_test_b2.dtsi
vendor/dtc/dist/tests/search_dir_b/search_test_c.dtsi
vendor/dtc/dist/tests/search_paths.dts
vendor/dtc/dist/tests/search_paths_b.dts
vendor/dtc/dist/tests/sized_cells.c (contents, props changed)
vendor/dtc/dist/tests/sized_cells.dts
vendor/dtc/dist/tests/test_tree1_merge.dts
vendor/dtc/dist/tests/test_tree1_merge_labelled.dts
vendor/dtc/dist/tests/test_tree1_merge_path.dts
vendor/dtc/dist/tests/test_tree1_wrong1.dts
vendor/dtc/dist/tests/test_tree1_wrong2.dts
vendor/dtc/dist/tests/test_tree1_wrong3.dts
vendor/dtc/dist/tests/test_tree1_wrong4.dts
vendor/dtc/dist/tests/test_tree1_wrong5.dts
vendor/dtc/dist/tests/test_tree1_wrong6.dts
vendor/dtc/dist/tests/test_tree1_wrong7.dts
vendor/dtc/dist/tests/test_tree1_wrong8.dts
vendor/dtc/dist/tests/test_tree1_wrong9.dts
vendor/dtc/dist/tests/utilfdt_test.c (contents, props changed)
Added: vendor/dtc/dist/Makefile.utils
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ vendor/dtc/dist/Makefile.utils Tue Jul 24 04:12:44 2012
(r238737)
@@ -0,0 +1,24 @@
+#
+# This is not a complete Makefile of itself. Instead, it is designed to
+# be easily embeddable into other systems of Makefiles.
+#
+
+FDTDUMP_SRCS = \
+ fdtdump.c \
+ util.c
+
+FDTDUMP_OBJS = $(FDTDUMP_SRCS:%.c=%.o)
+
+
+FDTGET_SRCS = \
+ fdtget.c \
+ util.c
+
+FDTGET_OBJS = $(FDTGET_SRCS:%.c=%.o)
+
+
+FDTPUT_SRCS = \
+ fdtput.c \
+ util.c
+
+FDTPUT_OBJS = $(FDTPUT_SRCS:%.c=%.o)
Added: vendor/dtc/dist/dtdiff
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ vendor/dtc/dist/dtdiff Tue Jul 24 04:12:44 2012 (r238737)
@@ -0,0 +1,38 @@
+#! /bin/bash
+
+# This script uses the bash <(...) extension.
+# If you want to change this to work with a generic /bin/sh, make sure
+# you fix that.
+
+
+DTC=dtc
+
+source_and_sort () {
+ DT="$1"
+ if [ -d "$DT" ]; then
+ IFORMAT=fs
+ elif [ -f "$DT" ]; then
+ case "$DT" in
+ *.dts)
+ IFORMAT=dts
+ ;;
+ *.dtb)
+ IFORMAT=dtb
+ ;;
+ esac
+ fi
+
+ if [ -z "$IFORMAT" ]; then
+ echo "Unrecognized format for $DT" >&2
+ exit 2
+ fi
+
+ $DTC -I $IFORMAT -O dts -qq -f -s -o - "$DT"
+}
+
+if [ $# != 2 ]; then
+ echo "Usage: dtdiff <device tree> <device tree>" >&2
+ exit 1
+fi
+
+diff -u <(source_and_sort "$1") <(source_and_sort "$2")
Added: vendor/dtc/dist/fdtdump.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ vendor/dtc/dist/fdtdump.c Tue Jul 24 04:12:44 2012 (r238737)
@@ -0,0 +1,162 @@
+/*
+ * fdtdump.c - Contributed by Pantelis Antoniou <pantelis.antoniou AT
gmail.com>
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#include <fdt.h>
+#include <libfdt_env.h>
+
+#include "util.h"
+
+#define ALIGN(x, a) (((x) + ((a) - 1)) & ~((a) - 1))
+#define PALIGN(p, a) ((void *)(ALIGN((unsigned long)(p), (a))))
+#define GET_CELL(p) (p += 4, *((const uint32_t *)(p-4)))
+
+static void print_data(const char *data, int len)
+{
+ int i;
+ const char *p = data;
+
+ /* no data, don't print */
+ if (len == 0)
+ return;
+
+ if (util_is_printable_string(data, len)) {
+ printf(" = \"%s\"", (const char *)data);
+ } else if ((len % 4) == 0) {
+ printf(" = <");
+ for (i = 0; i < len; i += 4)
+ printf("0x%08x%s", fdt32_to_cpu(GET_CELL(p)),
+ i < (len - 4) ? " " : "");
+ printf(">");
+ } else {
+ printf(" = [");
+ for (i = 0; i < len; i++)
+ printf("%02x%s", *p++, i < len - 1 ? " " : "");
+ printf("]");
+ }
+}
+
+static void dump_blob(void *blob)
+{
+ struct fdt_header *bph = blob;
+ uint32_t off_mem_rsvmap = fdt32_to_cpu(bph->off_mem_rsvmap);
+ uint32_t off_dt = fdt32_to_cpu(bph->off_dt_struct);
+ uint32_t off_str = fdt32_to_cpu(bph->off_dt_strings);
+ struct fdt_reserve_entry *p_rsvmap =
+ (struct fdt_reserve_entry *)((char *)blob + off_mem_rsvmap);
+ const char *p_struct = (const char *)blob + off_dt;
+ const char *p_strings = (const char *)blob + off_str;
+ uint32_t version = fdt32_to_cpu(bph->version);
+ uint32_t totalsize = fdt32_to_cpu(bph->totalsize);
+ uint32_t tag;
+ const char *p, *s, *t;
+ int depth, sz, shift;
+ int i;
+ uint64_t addr, size;
+
+ depth = 0;
+ shift = 4;
+
+ printf("/dts-v1/;\n");
+ printf("// magic:\t\t0x%x\n", fdt32_to_cpu(bph->magic));
+ printf("// totalsize:\t\t0x%x (%d)\n", totalsize, totalsize);
+ printf("// off_dt_struct:\t0x%x\n", off_dt);
+ printf("// off_dt_strings:\t0x%x\n", off_str);
+ printf("// off_mem_rsvmap:\t0x%x\n", off_mem_rsvmap);
+ printf("// version:\t\t%d\n", version);
+ printf("// last_comp_version:\t%d\n",
+ fdt32_to_cpu(bph->last_comp_version));
+ if (version >= 2)
+ printf("// boot_cpuid_phys:\t0x%x\n",
+ fdt32_to_cpu(bph->boot_cpuid_phys));
+
+ if (version >= 3)
+ printf("// size_dt_strings:\t0x%x\n",
+ fdt32_to_cpu(bph->size_dt_strings));
+ if (version >= 17)
+ printf("// size_dt_struct:\t0x%x\n",
+ fdt32_to_cpu(bph->size_dt_struct));
+ printf("\n");
+
+ for (i = 0; ; i++) {
+ addr = fdt64_to_cpu(p_rsvmap[i].address);
+ size = fdt64_to_cpu(p_rsvmap[i].size);
+ if (addr == 0 && size == 0)
+ break;
+
+ printf("/memreserve/ %llx %llx;\n",
+ (unsigned long long)addr, (unsigned long long)size);
+ }
+
+ p = p_struct;
+ while ((tag = fdt32_to_cpu(GET_CELL(p))) != FDT_END) {
+
+ /* printf("tag: 0x%08x (%d)\n", tag, p - p_struct); */
+
+ if (tag == FDT_BEGIN_NODE) {
+ s = p;
+ p = PALIGN(p + strlen(s) + 1, 4);
+
+ if (*s == '\0')
+ s = "/";
+
+ printf("%*s%s {\n", depth * shift, "", s);
+
+ depth++;
+ continue;
+ }
+
+ if (tag == FDT_END_NODE) {
+ depth--;
+
+ printf("%*s};\n", depth * shift, "");
+ continue;
+ }
+
+ if (tag == FDT_NOP) {
+ printf("%*s// [NOP]\n", depth * shift, "");
+ continue;
+ }
+
+ if (tag != FDT_PROP) {
+ fprintf(stderr, "%*s ** Unknown tag 0x%08x\n", depth *
shift, "", tag);
+ break;
+ }
+ sz = fdt32_to_cpu(GET_CELL(p));
+ s = p_strings + fdt32_to_cpu(GET_CELL(p));
+ if (version < 16 && sz >= 8)
+ p = PALIGN(p, 8);
+ t = p;
+
+ p = PALIGN(p + sz, 4);
+
+ printf("%*s%s", depth * shift, "", s);
+ print_data(t, sz);
+ printf(";\n");
+ }
+}
+
+
+int main(int argc, char *argv[])
+{
+ char *buf;
+
+ if (argc < 2) {
+ fprintf(stderr, "supply input filename\n");
+ return 5;
+ }
+
+ buf = utilfdt_read(argv[1]);
+ if (buf)
+ dump_blob(buf);
+ else
+ return 10;
+
+ return 0;
+}
Added: vendor/dtc/dist/fdtget.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ vendor/dtc/dist/fdtget.c Tue Jul 24 04:12:44 2012 (r238737)
@@ -0,0 +1,366 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * Portions from U-Boot cmd_fdt.c (C) Copyright 2007
+ * Gerald Van Baren, Custom IDEAS, [email protected]
+ * Based on code written by:
+ * Pantelis Antoniou <[email protected]> and
+ * Matthew McClintock <[email protected]>
+ *
+ * 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 <assert.h>
+#include <ctype.h>
+#include <getopt.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <libfdt.h>
+
+#include "util.h"
+
+enum display_mode {
+ MODE_SHOW_VALUE, /* show values for node properties */
+ MODE_LIST_PROPS, /* list the properties for a node */
+ MODE_LIST_SUBNODES, /* list the subnodes of a node */
+};
+
+/* Holds information which controls our output and options */
+struct display_info {
+ int type; /* data type (s/i/u/x or 0 for default) */
+ int size; /* data size (1/2/4) */
+ enum display_mode mode; /* display mode that we are using */
+ const char *default_val; /* default value if node/property not found */
+};
+
+static void report_error(const char *where, int err)
+{
+ fprintf(stderr, "Error at '%s': %s\n", where, fdt_strerror(err));
+}
+
+/**
+ * Displays data of a given length according to selected options
+ *
+ * If a specific data type is provided in disp, then this is used. Otherwise
+ * we try to guess the data type / size from the contents.
+ *
+ * @param disp Display information / options
+ * @param data Data to display
+ * @param len Maximum length of buffer
+ * @return 0 if ok, -1 if data does not match format
+ */
+static int show_data(struct display_info *disp, const char *data, int len)
+{
+ int i, size;
+ const uint8_t *p = (const uint8_t *)data;
+ const char *s;
+ int value;
+ int is_string;
+ char fmt[3];
+
+ /* no data, don't print */
+ if (len == 0)
+ return 0;
+
+ is_string = (disp->type) == 's' ||
+ (!disp->type && util_is_printable_string(data, len));
+ if (is_string) {
+ if (data[len - 1] != '\0') {
+ fprintf(stderr, "Unterminated string\n");
+ return -1;
+ }
+ for (s = data; s - data < len; s += strlen(s) + 1) {
+ if (s != data)
+ printf(" ");
+ printf("%s", (const char *)s);
+ }
+ return 0;
+ }
+ size = disp->size;
+ if (size == -1) {
+ size = (len % 4) == 0 ? 4 : 1;
+ } else if (len % size) {
+ fprintf(stderr, "Property length must be a multiple of "
+ "selected data size\n");
+ return -1;
+ }
+ fmt[0] = '%';
+ fmt[1] = disp->type ? disp->type : 'd';
+ fmt[2] = '\0';
+ for (i = 0; i < len; i += size, p += size) {
+ if (i)
+ printf(" ");
+ value = size == 4 ? fdt32_to_cpu(*(const uint32_t *)p) :
+ size == 2 ? (*p << 8) | p[1] : *p;
+ printf(fmt, value);
+ }
+ return 0;
+}
+
+/**
+ * List all properties in a node, one per line.
+ *
+ * @param blob FDT blob
+ * @param node Node to display
+ * @return 0 if ok, or FDT_ERR... if not.
+ */
+static int list_properties(const void *blob, int node)
+{
+ const struct fdt_property *data;
+ const char *name;
+ int prop;
+
+ prop = fdt_first_property_offset(blob, node);
+ do {
+ /* Stop silently when there are no more properties */
+ if (prop < 0)
+ return prop == -FDT_ERR_NOTFOUND ? 0 : prop;
+ data = fdt_get_property_by_offset(blob, prop, NULL);
+ name = fdt_string(blob, fdt32_to_cpu(data->nameoff));
+ if (name)
+ puts(name);
+ prop = fdt_next_property_offset(blob, prop);
+ } while (1);
+}
+
+#define MAX_LEVEL 32 /* how deeply nested we will go */
+
+/**
+ * List all subnodes in a node, one per line
+ *
+ * @param blob FDT blob
+ * @param node Node to display
+ * @return 0 if ok, or FDT_ERR... if not.
+ */
+static int list_subnodes(const void *blob, int node)
+{
+ int nextoffset; /* next node offset from libfdt */
+ uint32_t tag; /* current tag */
+ int level = 0; /* keep track of nesting level */
+ const char *pathp;
+ int depth = 1; /* the assumed depth of this node */
+
+ while (level >= 0) {
+ tag = fdt_next_tag(blob, node, &nextoffset);
+ switch (tag) {
+ case FDT_BEGIN_NODE:
+ pathp = fdt_get_name(blob, node, NULL);
+ if (level <= depth) {
+ if (pathp == NULL)
+ pathp = "/* NULL pointer error */";
+ if (*pathp == '\0')
+ pathp = "/"; /* root is nameless */
+ if (level == 1)
+ puts(pathp);
+ }
+ level++;
+ if (level >= MAX_LEVEL) {
+ printf("Nested too deep, aborting.\n");
+ return 1;
+ }
+ break;
+ case FDT_END_NODE:
+ level--;
+ if (level == 0)
+ level = -1; /* exit the loop */
+ break;
+ case FDT_END:
+ return 1;
+ case FDT_PROP:
+ break;
+ default:
+ if (level <= depth)
+ printf("Unknown tag 0x%08X\n", tag);
+ return 1;
+ }
+ node = nextoffset;
+ }
+ return 0;
+}
+
+/**
+ * Show the data for a given node (and perhaps property) according to the
+ * display option provided.
+ *
+ * @param blob FDT blob
+ * @param disp Display information / options
+ * @param node Node to display
+ * @param property Name of property to display, or NULL if none
+ * @return 0 if ok, -ve on error
+ */
+static int show_data_for_item(const void *blob, struct display_info *disp,
+ int node, const char *property)
+{
+ const void *value = NULL;
+ int len, err = 0;
+
+ switch (disp->mode) {
+ case MODE_LIST_PROPS:
+ err = list_properties(blob, node);
+ break;
+
+ case MODE_LIST_SUBNODES:
+ err = list_subnodes(blob, node);
+ break;
+
+ default:
+ assert(property);
+ value = fdt_getprop(blob, node, property, &len);
+ if (value) {
+ if (show_data(disp, value, len))
+ err = -1;
+ else
+ printf("\n");
+ } else if (disp->default_val) {
+ puts(disp->default_val);
+ } else {
+ report_error(property, len);
+ err = -1;
+ }
+ break;
+ }
+
+ return err;
+}
+
+/**
+ * Run the main fdtget operation, given a filename and valid arguments
+ *
+ * @param disp Display information / options
+ * @param filename Filename of blob file
+ * @param arg List of arguments to process
+ * @param arg_count Number of arguments
+ * @param return 0 if ok, -ve on error
+ */
+static int do_fdtget(struct display_info *disp, const char *filename,
+ char **arg, int arg_count, int args_per_step)
+{
+ char *blob;
+ const char *prop;
+ int i, node;
+
+ blob = utilfdt_read(filename);
+ if (!blob)
+ return -1;
+
+ for (i = 0; i + args_per_step <= arg_count; i += args_per_step) {
+ node = fdt_path_offset(blob, arg[i]);
+ if (node < 0) {
+ if (disp->default_val) {
+ puts(disp->default_val);
+ continue;
+ } else {
+ report_error(arg[i], node);
+ return -1;
+ }
+ }
+ prop = args_per_step == 1 ? NULL : arg[i + 1];
+
+ if (show_data_for_item(blob, disp, node, prop))
+ return -1;
+ }
+ return 0;
+}
+
+static const char *usage_msg =
+ "fdtget - read values from device tree\n"
+ "\n"
+ "Each value is printed on a new line.\n\n"
+ "Usage:\n"
+ " fdtget <options> <dt file> [<node> <property>]...\n"
+ " fdtget -p <options> <dt file> [<node> ]...\n"
+ "Options:\n"
+ "\t-t <type>\tType of data\n"
+ "\t-p\t\tList properties for each node\n"
+ "\t-l\t\tList subnodes for each node\n"
+ "\t-d\t\tDefault value to display when the property is "
+ "missing\n"
+ "\t-h\t\tPrint this help\n\n"
+ USAGE_TYPE_MSG;
+
+static void usage(const char *msg)
+{
+ if (msg)
+ fprintf(stderr, "Error: %s\n\n", msg);
+
+ fprintf(stderr, "%s", usage_msg);
+ exit(2);
+}
+
+int main(int argc, char *argv[])
+{
+ char *filename = NULL;
+ struct display_info disp;
+ int args_per_step = 2;
+
+ /* set defaults */
+ memset(&disp, '\0', sizeof(disp));
+ disp.size = -1;
+ disp.mode = MODE_SHOW_VALUE;
+ for (;;) {
+ int c = getopt(argc, argv, "d:hlpt:");
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case 'h':
+ case '?':
+ usage(NULL);
+
+ case 't':
+ if (utilfdt_decode_type(optarg, &disp.type,
+ &disp.size))
+ usage("Invalid type string");
+ break;
+
+ case 'p':
+ disp.mode = MODE_LIST_PROPS;
+ args_per_step = 1;
+ break;
+
+ case 'l':
+ disp.mode = MODE_LIST_SUBNODES;
+ args_per_step = 1;
+ break;
+
+ case 'd':
+ disp.default_val = optarg;
+ break;
+ }
+ }
+
+ if (optind < argc)
+ filename = argv[optind++];
+ if (!filename)
+ usage("Missing filename");
+
+ argv += optind;
+ argc -= optind;
+
+ /* Allow no arguments, and silently succeed */
+ if (!argc)
+ return 0;
+
+ /* Check for node, property arguments */
+ if (args_per_step == 2 && (argc % 2))
+ usage("Must have an even number of arguments");
+
+ if (do_fdtget(&disp, filename, argv, argc, args_per_step))
+ return 1;
+ return 0;
+}
Added: vendor/dtc/dist/fdtput.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ vendor/dtc/dist/fdtput.c Tue Jul 24 04:12:44 2012 (r238737)
@@ -0,0 +1,362 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * 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 <assert.h>
+#include <ctype.h>
+#include <getopt.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <libfdt.h>
+
+#include "util.h"
+
+/* These are the operations we support */
+enum oper_type {
+ OPER_WRITE_PROP, /* Write a property in a node */
+ OPER_CREATE_NODE, /* Create a new node */
+};
+
+struct display_info {
+ enum oper_type oper; /* operation to perform */
+ int type; /* data type (s/i/u/x or 0 for default) */
+ int size; /* data size (1/2/4) */
+ int verbose; /* verbose output */
+ int auto_path; /* automatically create all path components */
+};
+
+
+/**
+ * Report an error with a particular node.
+ *
+ * @param name Node name to report error on
+ * @param namelen Length of node name, or -1 to use entire string
+ * @param err Error number to report (-FDT_ERR_...)
+ */
+static void report_error(const char *name, int namelen, int err)
+{
+ if (namelen == -1)
+ namelen = strlen(name);
+ fprintf(stderr, "Error at '%1.*s': %s\n", namelen, name,
+ fdt_strerror(err));
+}
+
+/**
+ * Encode a series of arguments in a property value.
+ *
+ * @param disp Display information / options
+ * @param arg List of arguments from command line
+ * @param arg_count Number of arguments (may be 0)
+ * @param valuep Returns buffer containing value
+ * @param *value_len Returns length of value encoded
+ */
+static int encode_value(struct display_info *disp, char **arg, int arg_count,
+ char **valuep, int *value_len)
+{
+ char *value = NULL; /* holding area for value */
+ int value_size = 0; /* size of holding area */
+ char *ptr; /* pointer to current value position */
+ int len; /* length of this cell/string/byte */
+ int ival;
+ int upto; /* the number of bytes we have written to buf */
+ char fmt[3];
+
+ upto = 0;
+
+ if (disp->verbose)
+ fprintf(stderr, "Decoding value:\n");
+
+ fmt[0] = '%';
+ fmt[1] = disp->type ? disp->type : 'd';
+ fmt[2] = '\0';
+ for (; arg_count > 0; arg++, arg_count--, upto += len) {
+ /* assume integer unless told otherwise */
+ if (disp->type == 's')
+ len = strlen(*arg) + 1;
+ else
+ len = disp->size == -1 ? 4 : disp->size;
+
+ /* enlarge our value buffer by a suitable margin if needed */
+ if (upto + len > value_size) {
+ value_size = (upto + len) + 500;
+ value = realloc(value, value_size);
+ if (!value) {
+ fprintf(stderr, "Out of mmory: cannot alloc "
+ "%d bytes\n", value_size);
+ return -1;
+ }
+ }
+
+ ptr = value + upto;
+ if (disp->type == 's') {
+ memcpy(ptr, *arg, len);
+ if (disp->verbose)
+ fprintf(stderr, "\tstring: '%s'\n", ptr);
+ } else {
+ int *iptr = (int *)ptr;
+ sscanf(*arg, fmt, &ival);
+ if (len == 4)
+ *iptr = cpu_to_fdt32(ival);
+ else
+ *ptr = (uint8_t)ival;
+ if (disp->verbose) {
+ fprintf(stderr, "\t%s: %d\n",
+ disp->size == 1 ? "byte" :
+ disp->size == 2 ? "short" : "int",
+ ival);
+ }
+ }
+ }
+ *value_len = upto;
+ *valuep = value;
+ if (disp->verbose)
+ fprintf(stderr, "Value size %d\n", upto);
+ return 0;
+}
+
+static int store_key_value(void *blob, const char *node_name,
+ const char *property, const char *buf, int len)
+{
+ int node;
+ int err;
+
+ node = fdt_path_offset(blob, node_name);
+ if (node < 0) {
+ report_error(node_name, -1, node);
+ return -1;
+ }
+
+ err = fdt_setprop(blob, node, property, buf, len);
+ if (err) {
+ report_error(property, -1, err);
+ return -1;
+ }
+ return 0;
+}
+
+/**
+ * Create paths as needed for all components of a path
+ *
+ * Any components of the path that do not exist are created. Errors are
+ * reported.
+ *
+ * @param blob FDT blob to write into
+ * @param in_path Path to process
+ * @return 0 if ok, -1 on error
+ */
+static int create_paths(void *blob, const char *in_path)
+{
+ const char *path = in_path;
+ const char *sep;
+ int node, offset = 0;
+
+ /* skip leading '/' */
+ while (*path == '/')
+ path++;
+
+ for (sep = path; *sep; path = sep + 1, offset = node) {
+ /* equivalent to strchrnul(), but it requires _GNU_SOURCE */
+ sep = strchr(path, '/');
+ if (!sep)
+ sep = path + strlen(path);
+
+ node = fdt_subnode_offset_namelen(blob, offset, path,
+ sep - path);
+ if (node == -FDT_ERR_NOTFOUND) {
+ node = fdt_add_subnode_namelen(blob, offset, path,
+ sep - path);
+ }
+ if (node < 0) {
+ report_error(path, sep - path, node);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * Create a new node in the fdt.
+ *
+ * This will overwrite the node_name string. Any error is reported.
+ *
+ * TODO: Perhaps create fdt_path_offset_namelen() so we don't need to do this.
+ *
+ * @param blob FDT blob to write into
+ * @param node_name Name of node to create
+ * @return new node offset if found, or -1 on failure
+ */
+static int create_node(void *blob, const char *node_name)
+{
+ int node = 0;
+ char *p;
+
+ p = strrchr(node_name, '/');
+ if (!p) {
+ report_error(node_name, -1, -FDT_ERR_BADPATH);
+ return -1;
+ }
+ *p = '\0';
+
+ if (p > node_name) {
+ node = fdt_path_offset(blob, node_name);
+ if (node < 0) {
+ report_error(node_name, -1, node);
+ return -1;
+ }
+ }
+
+ node = fdt_add_subnode(blob, node, p + 1);
+ if (node < 0) {
+ report_error(p + 1, -1, node);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int do_fdtput(struct display_info *disp, const char *filename,
+ char **arg, int arg_count)
+{
+ char *value;
+ char *blob;
+ int len, ret = 0;
+
+ blob = utilfdt_read(filename);
+ if (!blob)
+ return -1;
+
+ switch (disp->oper) {
+ case OPER_WRITE_PROP:
+ /*
+ * Convert the arguments into a single binary value, then
+ * store them into the property.
+ */
+ assert(arg_count >= 2);
+ if (disp->auto_path && create_paths(blob, *arg))
+ return -1;
+ if (encode_value(disp, arg + 2, arg_count - 2, &value, &len) ||
+ store_key_value(blob, *arg, arg[1], value, len))
+ ret = -1;
+ break;
+ case OPER_CREATE_NODE:
+ for (; ret >= 0 && arg_count--; arg++) {
+ if (disp->auto_path)
+ ret = create_paths(blob, *arg);
+ else
+ ret = create_node(blob, *arg);
+ }
+ break;
+ }
+ if (ret >= 0)
+ ret = utilfdt_write(filename, blob);
+
+ free(blob);
+ return ret;
+}
+
+static const char *usage_msg =
+ "fdtput - write a property value to a device tree\n"
+ "\n"
+ "The command line arguments are joined together into a single value.\n"
+ "\n"
+ "Usage:\n"
+ " fdtput <options> <dt file> <node> <property> [<value>...]\n"
+ " fdtput -c <options> <dt file> [<node>...]\n"
+ "Options:\n"
+ "\t-c\t\tCreate nodes if they don't already exist\n"
+ "\t-p\t\tAutomatically create nodes as needed for the node path\n"
+ "\t-t <type>\tType of data\n"
+ "\t-v\t\tVerbose: display each value decoded from command line\n"
+ "\t-h\t\tPrint this help\n\n"
+ USAGE_TYPE_MSG;
+
+static void usage(const char *msg)
+{
+ if (msg)
+ fprintf(stderr, "Error: %s\n\n", msg);
+
+ fprintf(stderr, "%s", usage_msg);
+ exit(2);
+}
+
+int main(int argc, char *argv[])
+{
+ struct display_info disp;
+ char *filename = NULL;
+
+ memset(&disp, '\0', sizeof(disp));
+ disp.size = -1;
+ disp.oper = OPER_WRITE_PROP;
+ for (;;) {
+ int c = getopt(argc, argv, "chpt:v");
+ if (c == -1)
+ break;
+
+ /*
+ * TODO: add options to:
+ * - delete property
+ * - delete node (optionally recursively)
+ * - rename node
+ * - pack fdt before writing
+ * - set amount of free space when writing
+ * - expand fdt if value doesn't fit
+ */
+ switch (c) {
+ case 'c':
+ disp.oper = OPER_CREATE_NODE;
+ break;
+ case 'h':
+ case '?':
+ usage(NULL);
+ case 'p':
+ disp.auto_path = 1;
+ break;
+ case 't':
+ if (utilfdt_decode_type(optarg, &disp.type,
+ &disp.size))
+ usage("Invalid type string");
+ break;
+
+ case 'v':
+ disp.verbose = 1;
+ break;
+ }
+ }
+
+ if (optind < argc)
+ filename = argv[optind++];
+ if (!filename)
+ usage("Missing filename");
+
+ argv += optind;
+ argc -= optind;
+
+ if (disp.oper == OPER_WRITE_PROP) {
+ if (argc < 1)
+ usage("Missing node");
+ if (argc < 2)
+ usage("Missing property");
+ }
+
+ if (do_fdtput(&disp, filename, argv, argc))
+ return 1;
+ return 0;
+}
Added: vendor/dtc/dist/libfdt/fdt_empty_tree.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ vendor/dtc/dist/libfdt/fdt_empty_tree.c Tue Jul 24 04:12:44 2012
(r238737)
@@ -0,0 +1,84 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Copyright (C) 2012 David Gibson, IBM Corporation.
+ *
+ * libfdt is dual licensed: you can use it either under the terms of
+ * the GPL, or the BSD license, at your option.
+ *
+ * a) This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ *
+ * Alternatively,
+ *
+ * b) Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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