Merge libfdt into dtc.

Having pulled the libfdt repository into dtc, merge the makefiles and
testsuites so that they build together usefully.

tests/Makefile

@@ -1,12 +1,67 @@
 DTC = ../dtc
 VG_DTC = valgrind --tool=memcheck ../dtc
 
-check: all
-	./run_all_tests.sh
+LIB_TESTS = root_node find_property subnode_offset path_offset getprop \
+	notfound \
+	setprop_inplace nop_property nop_node \
+	sw_tree1 \
+	move_and_save \
+	open_pack rw_tree1 setprop del_property del_node
+LIBTREE_TESTS = truncated_property
+TESTS = $(LIB_TESTS) $(LIBTREE_TESTS)
+UTILS = dumptrees
 
-all:
+TREES = test_tree1.dtb
+
+CFLAGS = -Wall -g
+CPPFLAGS = -I../libfdt
+LDFLAGS = -L../libfdt
+
+LIBFDT = ../libfdt/libfdt.a
+
+ifdef V
+VECHO = :
+else
+VECHO = echo "	"
+.SILENT:
+endif
+
+DEPFILES = $(TESTS:%=%.d) testutils.d
+
+check: all
+	./run_tests.sh
+
+all:	$(TESTS) $(TREES)
+
+%.o: %.c
+	@$(VECHO) CC $@
+	$(CC) $(CPPFLAGS) $(CFLAGS) -o $@ -c $<
+
+%.o: %.S
+	@$(VECHO) AS $@
+	$(CC) -D__ASSEMBLY__ $(CPPFLAGS) -o $@ -c $<
+
+%: %.o
+	@$(VECHO) LD $@
+	$(CC) $(LDFLAGS) -o $@ $^ $(LDLIBS)
+
+$(LIB_TESTS): %: testutils.o $(LIBFDT)
+
+$(LIBTREE_TESTS): %: testutils.o trees.o $(LIBFDT)
+
+dumptrees: %: trees.o
+
+$(TREES): dumptrees
+	@$(VECHO) DUMPTREES
+	./dumptrees >/dev/null
 
 clean:
-	rm -f *~
+	rm -f $(TESTS)
+	rm -f *.dtb dumptrees
+	rm -f *~ *.d *.o a.out core
+	rm -f *.i *.output vgcore.*
 
+%.d: %.c
+	@$(CC) $(CPPFLAGS) -MM -MT "$*.o $@" $< > $@
 
+-include $(DEPFILES)

tests/del_node.c

@@ -0,0 +1,122 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for fdt_nop_node()
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+	int subnode1_offset, subnode2_offset, subsubnode2_offset;
+	int err;
+	int oldsize, delsize, newsize;
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+
+	oldsize = fdt_totalsize(fdt);
+
+	subnode1_offset = fdt_path_offset(fdt, "/subnode1");
+	if (subnode1_offset < 0)
+		FAIL("Couldn't find \"/subnode1\": %s",
+		     fdt_strerror(subnode1_offset));
+	check_getprop_typed(fdt, subnode1_offset, "prop-int", TEST_VALUE_1);
+
+	subnode2_offset = fdt_path_offset(fdt, "/subnode2");
+	if (subnode2_offset < 0)
+		FAIL("Couldn't find \"/subnode2\": %s",
+		     fdt_strerror(subnode2_offset));
+	check_getprop_typed(fdt, subnode2_offset, "prop-int", TEST_VALUE_2);
+
+	subsubnode2_offset = fdt_path_offset(fdt, "/subnode2/subsubnode");
+	if (subsubnode2_offset < 0)
+		FAIL("Couldn't find \"/subnode2/subsubnode\": %s",
+		     fdt_strerror(subsubnode2_offset));
+	check_getprop_typed(fdt, subsubnode2_offset, "prop-int", TEST_VALUE_2);
+
+	err = fdt_del_node(fdt, subnode1_offset);
+	if (err)
+		FAIL("fdt_del_node(subnode1): %s", fdt_strerror(err));
+
+	subnode1_offset = fdt_path_offset(fdt, "/subnode1");
+	if (subnode1_offset != -FDT_ERR_NOTFOUND)
+		FAIL("fdt_path_offset(subnode1) returned \"%s\" instead of \"%s\"",
+		     fdt_strerror(subnode1_offset),
+		     fdt_strerror(-FDT_ERR_NOTFOUND));
+
+	subnode2_offset = fdt_path_offset(fdt, "/subnode2");
+	if (subnode2_offset < 0)
+		FAIL("Couldn't find \"/subnode2\": %s",
+		     fdt_strerror(subnode2_offset));
+	check_getprop_typed(fdt, subnode2_offset, "prop-int", TEST_VALUE_2);
+
+	subsubnode2_offset = fdt_path_offset(fdt, "/subnode2/subsubnode");
+	if (subsubnode2_offset < 0)
+		FAIL("Couldn't find \"/subnode2/subsubnode\": %s",
+		     fdt_strerror(subsubnode2_offset));
+	check_getprop_typed(fdt, subsubnode2_offset, "prop-int", TEST_VALUE_2);
+
+	err = fdt_del_node(fdt, subnode2_offset);
+	if (err)
+		FAIL("fdt_del_node(subnode2): %s", fdt_strerror(err));
+
+	subnode1_offset = fdt_path_offset(fdt, "/subnode1");
+	if (subnode1_offset != -FDT_ERR_NOTFOUND)
+		FAIL("fdt_path_offset(subnode1) returned \"%s\" instead of \"%s\"",
+		     fdt_strerror(subnode1_offset),
+		     fdt_strerror(-FDT_ERR_NOTFOUND));
+
+	subnode2_offset = fdt_path_offset(fdt, "/subnode2");
+	if (subnode2_offset != -FDT_ERR_NOTFOUND)
+		FAIL("fdt_path_offset(subnode2) returned \"%s\" instead of \"%s\"",
+		     fdt_strerror(subnode2_offset),
+		     fdt_strerror(-FDT_ERR_NOTFOUND));
+
+	subsubnode2_offset = fdt_path_offset(fdt, "/subnode2/subsubnode");
+	if (subsubnode2_offset != -FDT_ERR_NOTFOUND)
+		FAIL("fdt_path_offset(subsubnode2) returned \"%s\" instead of \"%s\"",
+		     fdt_strerror(subsubnode2_offset),
+		     fdt_strerror(-FDT_ERR_NOTFOUND));
+
+	delsize = fdt_totalsize(fdt);
+
+	err = fdt_pack(fdt);
+	if (err)
+		FAIL("fdt_pack(): %s", fdt_strerror(err));
+
+	newsize = fdt_totalsize(fdt);
+
+	verbose_printf("oldsize = %d, delsize = %d, newsize = %d\n",
+		       oldsize, delsize, newsize);
+
+	if (newsize >= oldsize)
+		FAIL("Tree failed to shrink after deletions");
+
+	PASS();
+}

tests/del_property.c

@@ -0,0 +1,89 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for fdt_delprop()
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+	const uint32_t *intp;
+	const char *strp;
+	int err, lenerr;
+	int oldsize, delsize, newsize;
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+
+	oldsize = fdt_totalsize(fdt);
+
+	intp = check_getprop_typed(fdt, 0, "prop-int", TEST_VALUE_1);
+	verbose_printf("int value was 0x%08x\n", *intp);
+
+	err = fdt_delprop(fdt, 0, "prop-int");
+	if (err)
+		FAIL("Failed to delete \"prop-int\": %s", fdt_strerror(err));
+
+	intp = fdt_getprop(fdt, 0, "prop-int", &lenerr);
+	if (intp)
+		FAIL("prop-int still present after deletion");
+	if (lenerr != -FDT_ERR_NOTFOUND)
+		FAIL("Unexpected error on second getprop: %s",
+		     fdt_strerror(lenerr));
+
+	strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1,
+			     TEST_STRING_1);
+	verbose_printf("string value was \"%s\"\n", strp);
+	err = fdt_delprop(fdt, 0, "prop-str");
+	if (err)
+		FAIL("Failed to delete \"prop-str\": %s", fdt_strerror(err));
+
+	strp = fdt_getprop(fdt, 0, "prop-str", &lenerr);
+	if (strp)
+		FAIL("prop-str still present after deletion");
+	if (lenerr != -FDT_ERR_NOTFOUND)
+		FAIL("Unexpected error on second getprop: %s",
+		     fdt_strerror(lenerr));
+
+	delsize = fdt_totalsize(fdt);
+
+	err = fdt_pack(fdt);
+	if (err)
+		FAIL("fdt_pack(): %s\n", fdt_strerror(err));
+
+	newsize = fdt_totalsize(fdt);
+
+	verbose_printf("oldsize = %d, delsize = %d, newsize = %d\n",
+		       oldsize, delsize, newsize);
+
+	if (newsize >= oldsize)
+		FAIL("Tree failed to shrink after deletions");
+
+	PASS();
+}

tests/dumptrees.c

@@ -0,0 +1,49 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+#include <libfdt_env.h>
+
+#include "testdata.h"
+
+struct {
+	void *blob;
+	const char *filename;
+} trees[] = {
+#define TREE(name)	{ &_##name, #name ".dtb" }
+	TREE(test_tree1),
+};
+
+#define NUM_TREES	(sizeof(trees) / sizeof(trees[0]))
+
+int main(int argc, char *argv[])
+{
+	int i;
+
+	for (i = 0; i < NUM_TREES; i++) {
+		void *blob = trees[i].blob;
+		const char *filename = trees[i].filename;
+		int size;
+		int fd;
+		int ret;
+
+		size = fdt_totalsize(blob);
+
+		printf("Tree \"%s\", %d bytes\n", filename, size);
+
+		fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
+		if (fd < 0)
+			perror("open()");
+
+		ret = write(fd, blob, size);
+		if (ret != size)
+			perror("write()");
+
+		close(fd);
+	}
+	exit(0);
+}

tests/find_property.c

@@ -0,0 +1,42 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for fdt_property_offset()
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+
+	check_property_typed(fdt, 0, "prop-int", TEST_VALUE_1);
+	check_property(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1, TEST_STRING_1);
+
+	PASS();
+}

tests/getprop.c

@@ -0,0 +1,43 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for fdt_getprop()
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+
+	check_getprop_typed(fdt, 0, "prop-int", TEST_VALUE_1);
+	check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1, TEST_STRING_1);
+
+	PASS();
+}

tests/move_and_save.c

@@ -0,0 +1,76 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Basic testcase for read-only access
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <limits.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+int main(int argc, char *argv[])
+{
+	void *fdt, *fdt1, *fdt2, *fdt3;
+	void *buf;
+	int shuntsize;
+	int bufsize;
+	int err;
+	const char *inname;
+	char outname[PATH_MAX];
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+	inname = argv[1];
+
+	shuntsize = ALIGN(fdt_totalsize(fdt) / 2, sizeof(uint64_t));
+	bufsize = fdt_totalsize(fdt) + shuntsize;
+	buf = xmalloc(bufsize);
+
+	fdt1 = buf;
+	err = fdt_move(fdt, fdt1, bufsize);
+	if (err)
+		FAIL("Failed to move tree into new buffer: %s",
+		     fdt_strerror(err));
+	sprintf(outname, "moved.%s", inname);
+	save_blob(outname, fdt1);
+
+	fdt2 = buf + shuntsize;
+	err = fdt_move(fdt1, fdt2, bufsize-shuntsize);
+	if (err)
+		FAIL("Failed to shunt tree %d bytes: %s",
+		     shuntsize, fdt_strerror(err));
+	sprintf(outname, "shunted.%s", inname);
+	save_blob(outname, fdt2);
+
+	fdt3 = buf;
+	err = fdt_move(fdt2, fdt3, bufsize);
+	if (err)
+		FAIL("Failed to deshunt tree %d bytes: %s",
+		     shuntsize, fdt_strerror(err));
+	sprintf(outname, "deshunted.%s", inname);
+	save_blob(outname, fdt3);
+
+	PASS();
+}

tests/nop_node.c

@@ -0,0 +1,105 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for fdt_nop_node()
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+	int subnode1_offset, subnode2_offset, subsubnode2_offset;
+	int err;
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+
+	subnode1_offset = fdt_path_offset(fdt, "/subnode1");
+	if (subnode1_offset < 0)
+		FAIL("Couldn't find \"/subnode1\": %s",
+		     fdt_strerror(subnode1_offset));
+	check_getprop_typed(fdt, subnode1_offset, "prop-int", TEST_VALUE_1);
+
+	subnode2_offset = fdt_path_offset(fdt, "/subnode2");
+	if (subnode2_offset < 0)
+		FAIL("Couldn't find \"/subnode2\": %s",
+		     fdt_strerror(subnode2_offset));
+	check_getprop_typed(fdt, subnode2_offset, "prop-int", TEST_VALUE_2);
+
+	subsubnode2_offset = fdt_path_offset(fdt, "/subnode2/subsubnode");
+	if (subsubnode2_offset < 0)
+		FAIL("Couldn't find \"/subnode2/subsubnode\": %s",
+		     fdt_strerror(subsubnode2_offset));
+	check_getprop_typed(fdt, subsubnode2_offset, "prop-int", TEST_VALUE_2);
+
+	err = fdt_nop_node(fdt, subnode1_offset);
+	if (err)
+		FAIL("fdt_nop_node(subnode1): %s", fdt_strerror(err));
+
+	subnode1_offset = fdt_path_offset(fdt, "/subnode1");
+	if (subnode1_offset != -FDT_ERR_NOTFOUND)
+		FAIL("fdt_path_offset(subnode1) returned \"%s\" instead of \"%s\"",
+		     fdt_strerror(subnode1_offset),
+		     fdt_strerror(-FDT_ERR_NOTFOUND));
+
+	subnode2_offset = fdt_path_offset(fdt, "/subnode2");
+	if (subnode2_offset < 0)
+		FAIL("Couldn't find \"/subnode2\": %s",
+		     fdt_strerror(subnode2_offset));
+	check_getprop_typed(fdt, subnode2_offset, "prop-int", TEST_VALUE_2);
+
+	subsubnode2_offset = fdt_path_offset(fdt, "/subnode2/subsubnode");
+	if (subsubnode2_offset < 0)
+		FAIL("Couldn't find \"/subnode2/subsubnode\": %s",
+		     fdt_strerror(subsubnode2_offset));
+	check_getprop_typed(fdt, subsubnode2_offset, "prop-int", TEST_VALUE_2);
+
+	err = fdt_nop_node(fdt, subnode2_offset);
+	if (err)
+		FAIL("fdt_nop_node(subnode2): %s", fdt_strerror(err));
+
+	subnode1_offset = fdt_path_offset(fdt, "/subnode1");
+	if (subnode1_offset != -FDT_ERR_NOTFOUND)
+		FAIL("fdt_path_offset(subnode1) returned \"%s\" instead of \"%s\"",
+		     fdt_strerror(subnode1_offset),
+		     fdt_strerror(-FDT_ERR_NOTFOUND));
+
+	subnode2_offset = fdt_path_offset(fdt, "/subnode2");
+	if (subnode2_offset != -FDT_ERR_NOTFOUND)
+		FAIL("fdt_path_offset(subnode2) returned \"%s\" instead of \"%s\"",
+		     fdt_strerror(subnode2_offset),
+		     fdt_strerror(-FDT_ERR_NOTFOUND));
+
+	subsubnode2_offset = fdt_path_offset(fdt, "/subnode2/subsubnode");
+	if (subsubnode2_offset != -FDT_ERR_NOTFOUND)
+		FAIL("fdt_path_offset(subsubnode2) returned \"%s\" instead of \"%s\"",
+		     fdt_strerror(subsubnode2_offset),
+		     fdt_strerror(-FDT_ERR_NOTFOUND));
+
+	PASS();
+}

tests/nop_property.c

@@ -0,0 +1,71 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for fdt_nop_property()
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+	const uint32_t *intp;
+	const char *strp;
+	int err;
+	int lenerr;
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+
+	intp = check_getprop_typed(fdt, 0, "prop-int", TEST_VALUE_1);
+	verbose_printf("int value was 0x%08x\n", *intp);
+
+	err = fdt_nop_property(fdt, 0, "prop-int");
+	if (err)
+		FAIL("Failed to nop \"prop-int\": %s", fdt_strerror(err));
+
+	intp = fdt_getprop(fdt, 0, "prop-int", &lenerr);
+	if (intp)
+		FAIL("prop-int still present after nopping");
+	if (lenerr != -FDT_ERR_NOTFOUND)
+		FAIL("Unexpected error on second getprop: %s", fdt_strerror(err));
+	
+	strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1,
+			     TEST_STRING_1);
+	verbose_printf("string value was \"%s\"\n", strp);
+	err = fdt_nop_property(fdt, 0, "prop-str");
+	if (err)
+		FAIL("Failed to nop \"prop-str\": %s", fdt_strerror(err));
+
+	strp = fdt_getprop(fdt, 0, "prop-str", &lenerr);
+	if (strp)
+		FAIL("prop-str still present after nopping");
+	if (lenerr != -FDT_ERR_NOTFOUND)
+		FAIL("Unexpected error on second getprop: %s", fdt_strerror(err));
+
+	PASS();
+}

tests/notfound.c

@@ -0,0 +1,73 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for behaviour on searching for a non-existent node
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+void check_error(const char *s, int err)
+{
+	if (err != -FDT_ERR_NOTFOUND)
+		FAIL("%s return error %s instead of -FDT_ERR_NOTFOUND", s,
+		     fdt_strerror(err));
+}
+
+int main(int argc, char *argv[])
+{
+	const struct fdt_property *prop;
+	void *fdt;
+	int offset;
+	int subnode1_offset;
+	const void *val;
+	int lenerr;
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+
+	prop = fdt_get_property(fdt, 0, "nonexistant-property", &lenerr);
+	check_error("fdt_get_property(\"nonexistant-property\")", lenerr);
+
+	val = fdt_getprop(fdt, 0, "nonexistant-property", &lenerr);
+	check_error("fdt_getprop(\"nonexistant-property\"", lenerr);
+
+	subnode1_offset = fdt_subnode_offset(fdt, 0, "subnode1");
+	if (subnode1_offset < 0)
+		FAIL("Couldn't find subnode1: %s", fdt_strerror(subnode1_offset));
+
+	val = fdt_getprop(fdt, subnode1_offset, "prop-str", &lenerr);
+	check_error("fdt_getprop(\"prop-str\")", lenerr);
+
+	offset = fdt_subnode_offset(fdt, 0, "nonexistant-subnode");
+	check_error("fdt_subnode_offset(\"nonexistant-subnode\")", offset);
+
+	offset = fdt_subnode_offset(fdt, 0, "subsubnode");
+	check_error("fdt_subnode_offset(\"subsubnode\")", offset);
+
+	offset = fdt_path_offset(fdt, "/nonexistant-subnode");
+	check_error("fdt_path_offset(\"/nonexistant-subnode\")", offset);
+	
+	PASS();
+}

tests/open_pack.c

@@ -0,0 +1,70 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Basic testcase for read-only access
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <limits.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+int main(int argc, char *argv[])
+{
+	void *fdt, *fdt1;
+	void *buf;
+	int oldsize, bufsize, packsize;
+	int err;
+	const char *inname;
+	char outname[PATH_MAX];
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+	inname = argv[1];
+
+	oldsize = fdt_totalsize(fdt);
+
+	bufsize = oldsize * 2;
+
+	buf = xmalloc(bufsize);
+
+	fdt1 = buf;
+	err = fdt_open_into(fdt, fdt1, bufsize);
+	if (err)
+		FAIL("fdt_open_into(): %s", fdt_strerror(err));
+	sprintf(outname, "opened.%s", inname);
+	save_blob(outname, fdt1);
+
+	err = fdt_pack(fdt1);
+	if (err)
+		FAIL("fdt_pack(): %s", fdt_strerror(err));
+	sprintf(outname, "repacked.%s", inname);
+	save_blob(outname, fdt1);
+
+	packsize = fdt_totalsize(fdt1);
+
+	verbose_printf("oldsize = %d, bufsize = %d, packsize = %d\n",
+		       oldsize, bufsize, packsize);
+	PASS();
+}

tests/path_offset.c

@@ -0,0 +1,98 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for fdt_path_offset()
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+int check_subnode(void *fdt, int parent, const char *name)
+{
+	int offset;
+	struct fdt_node_header *nh;
+	uint32_t tag;
+
+	verbose_printf("Checking subnode \"%s\" of %d...", name, parent);
+	offset = fdt_subnode_offset(fdt, parent, name);
+	verbose_printf("offset %d...", offset);
+	if (offset < 0)
+		FAIL("fdt_subnode_offset(\"%s\"): %s", name, fdt_strerror(offset));
+	nh = fdt_offset_ptr_typed(fdt, offset, nh);
+	verbose_printf("pointer %p\n", nh);
+	if (! nh)
+		FAIL("NULL retrieving subnode \"%s\"", name);
+
+	tag = fdt32_to_cpu(nh->tag);
+
+	if (tag != FDT_BEGIN_NODE)
+		FAIL("Incorrect tag 0x%08x on property \"%s\"", tag, name);
+	if (!streq(nh->name, name))
+		FAIL("Subnode name mismatch \"%s\" instead of \"%s\"",
+		     nh->name, name);
+
+	return offset;
+}
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+	int subnode1_offset, subnode2_offset;
+	int subnode1_offset_p, subnode2_offset_p;
+	int subsubnode1_offset, subsubnode2_offset;
+	int subsubnode1_offset_p, subsubnode2_offset_p;
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+
+	subnode1_offset = check_subnode(fdt, 0, "subnode1");
+	subnode2_offset = check_subnode(fdt, 0, "subnode2");
+
+	subnode1_offset_p = fdt_path_offset(fdt, "/subnode1");
+	subnode2_offset_p = fdt_path_offset(fdt, "/subnode2");
+
+	if (subnode1_offset != subnode1_offset_p)
+		FAIL("Mismatch between subnode_offset (%d) and path_offset (%d)",
+		     subnode1_offset, subnode1_offset_p);
+
+	if (subnode2_offset != subnode2_offset_p)
+		FAIL("Mismatch between subnode_offset (%d) and path_offset (%d)",
+		     subnode2_offset, subnode2_offset_p);
+
+	subsubnode1_offset = check_subnode(fdt, subnode1_offset, "subsubnode");
+	subsubnode2_offset = check_subnode(fdt, subnode2_offset, "subsubnode");
+
+	subsubnode1_offset_p = fdt_path_offset(fdt, "/subnode1/subsubnode");
+	subsubnode2_offset_p = fdt_path_offset(fdt, "/subnode2/subsubnode");
+
+	if (subsubnode1_offset != subsubnode1_offset_p)
+		FAIL("Mismatch between subnode_offset (%d) and path_offset (%d)",
+		     subsubnode1_offset, subsubnode1_offset_p);
+
+	if (subsubnode2_offset != subsubnode2_offset_p)
+		FAIL("Mismatch between subnode_offset (%d) and path_offset (%d)",
+		     subsubnode2_offset, subsubnode2_offset_p);
+
+	PASS();
+}

tests/root_node.c

@@ -0,0 +1,53 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Basic testcase for read-only access
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+	struct fdt_node_header *nh;
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+	
+	nh = fdt_offset_ptr_typed(fdt, 0, nh);
+
+	if (! nh)
+		FAIL("NULL retrieving root node");
+
+	if (fdt32_to_cpu(nh->tag) != FDT_BEGIN_NODE)
+		FAIL("Wrong tag on root node");
+
+	if (strlen(nh->name) != 0)
+		FAIL("Wrong name for root node, \"%s\" instead of empty",
+		     nh->name);
+
+	PASS();
+}

tests/run_all_tests.sh

@@ -1,2 +0,0 @@
-#! /bin/sh
-

tests/run_tests.sh

@@ -0,0 +1,94 @@
+#! /bin/bash
+
+export QUIET_TEST=1
+
+ENV=/usr/bin/env
+
+run_test () {
+    echo -n "$@:	"
+    PATH=".:$PATH" $ENV "$@"
+}
+
+tree1_tests () {
+    TREE=$1
+
+    # Read-only tests
+    run_test root_node $TREE
+    run_test find_property $TREE
+    run_test subnode_offset $TREE
+    run_test path_offset $TREE
+    run_test getprop $TREE
+    run_test notfound $TREE
+
+    # Write-in-place tests
+    run_test setprop_inplace $TREE
+    run_test nop_property $TREE
+    run_test nop_node $TREE
+}
+
+functional_tests () {
+    # Make sure we don't have stale blobs lying around
+    rm -f *.test.dtb
+
+    tree1_tests test_tree1.dtb
+
+    # Sequential write tests
+    run_test sw_tree1
+    tree1_tests sw_tree1.test.dtb
+    tree1_tests unfinished_tree1.test.dtb
+
+    # fdt_move tests
+    for tree in test_tree1.dtb sw_tree1.test.dtb unfinished_tree1.test.dtb; do
+	rm -f moved.$tree shunted.$tree deshunted.$tree
+	run_test move_and_save $tree
+	tree1_tests moved.$tree
+	tree1_tests shunted.$tree
+	tree1_tests deshunted.$tree
+    done
+
+    # Read-write tests
+    for tree in test_tree1.dtb sw_tree1.test.dtb; do
+	rm -f opened.$tree repacked.$tree
+	run_test open_pack $tree
+	tree1_tests opened.$tree
+	tree1_tests repacked.$tree
+    done
+    run_test setprop test_tree1.dtb
+    run_test del_property test_tree1.dtb
+    run_test del_node test_tree1.dtb
+    run_test rw_tree1
+    tree1_tests rw_tree1.test.dtb
+
+    # Tests for behaviour on various sorts of corrupted trees
+    run_test truncated_property
+}
+
+stress_tests () {
+    ITERATIONS=10           # Number of iterations for looping tests
+}
+
+while getopts "vdt:" ARG ; do
+    case $ARG in
+	"v")
+	    unset QUIET_TEST
+	    ;;
+	"t")
+	    TESTSETS=$OPTARG
+	    ;;
+    esac
+done
+
+if [ -z "$TESTSETS" ]; then
+    TESTSETS="func stress"
+fi
+
+for set in $TESTSETS; do
+    case $set in
+	"func")
+	    functional_tests
+	    ;;
+	"stress")
+	    stress_tests
+	    ;;
+    esac
+done

tests/rw_tree1.c

@@ -0,0 +1,91 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for fdt_nop_node()
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+#define SPACE	65536
+
+#define CHECK(code) \
+	{ \
+		err = (code); \
+		if (err) \
+			FAIL(#code ": %s", fdt_strerror(err)); \
+	}
+
+#define OFF_CHECK(off, code) \
+	{ \
+		(off) = (code); \
+		if (off < 0) \
+			FAIL(#code ": %s", fdt_strerror(off)); \
+	}
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+	int err;
+	int offset;
+
+	test_init(argc, argv);
+
+	fdt = xmalloc(SPACE);
+
+	/* First create empty tree with SW */
+	CHECK(fdt_create(fdt, SPACE));
+
+	CHECK(fdt_finish_reservemap(fdt));
+	CHECK(fdt_begin_node(fdt, ""));
+	CHECK(fdt_end_node(fdt));
+	CHECK(fdt_finish(fdt));
+
+	verbose_printf("Built empty tree, totalsize = %d\n",
+		       fdt_totalsize(fdt));
+
+	CHECK(fdt_open_into(fdt, fdt, SPACE));
+
+	CHECK(fdt_setprop_typed(fdt, 0, "prop-int", TEST_VALUE_1));
+	CHECK(fdt_setprop_string(fdt, 0, "prop-str", TEST_STRING_1));
+
+	OFF_CHECK(offset, fdt_add_subnode(fdt, 0, "subnode1"));
+	CHECK(fdt_setprop_typed(fdt, offset, "prop-int", TEST_VALUE_1));
+	OFF_CHECK(offset, fdt_add_subnode(fdt, offset, "subsubnode"));
+	CHECK(fdt_setprop_typed(fdt, offset, "prop-int", TEST_VALUE_1));
+
+	OFF_CHECK(offset, fdt_add_subnode(fdt, 0, "subnode2"));
+	CHECK(fdt_setprop_typed(fdt, offset, "prop-int", TEST_VALUE_2));
+	OFF_CHECK(offset, fdt_add_subnode(fdt, offset, "subsubnode"));
+
+	CHECK(fdt_setprop_typed(fdt, offset, "prop-int", TEST_VALUE_2));
+
+	CHECK(fdt_pack(fdt));
+
+	save_blob("rw_tree1.test.dtb", fdt);
+
+	PASS();
+}

tests/setprop.c

@@ -0,0 +1,78 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for fdt_setprop()
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+#define SPACE		65536
+#define NEW_STRING	"here is quite a long test string, blah blah blah"
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+	void *buf;
+	const uint32_t *intp;
+	const char *strp;
+	int err;
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+
+	buf = xmalloc(SPACE);
+
+	err = fdt_open_into(fdt, buf, SPACE);
+	if (err)
+		FAIL("fdt_open_into(): %s", fdt_strerror(err));
+
+	fdt = buf;
+
+	intp = check_getprop_typed(fdt, 0, "prop-int", TEST_VALUE_1);
+
+	verbose_printf("Old int value was 0x%08x\n", *intp);
+	err = fdt_setprop_string(fdt, 0, "prop-int", NEW_STRING);
+	if (err)
+		FAIL("Failed to set \"prop-int\" to \"%s\": %s",
+		     NEW_STRING, fdt_strerror(err));
+
+	strp = check_getprop_string(fdt, 0, "prop-int", NEW_STRING);
+	verbose_printf("New value is \"%s\"\n", strp);
+	
+	strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1,
+			     TEST_STRING_1);
+
+	verbose_printf("Old string value was \"%s\"\n", strp);
+	err = fdt_setprop(fdt, 0, "prop-str", NULL, 0);
+	if (err)
+		FAIL("Failed to empty \"prop-str\": %s",
+		     fdt_strerror(err));
+
+	check_getprop(fdt, 0, "prop-str", 0, NULL);
+
+	PASS();
+}

tests/setprop_inplace.c

@@ -0,0 +1,72 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for fdt_setprop_inplace()
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+	const uint32_t *intp;
+	const char *strp;
+	char *xstr;
+	int xlen, i;
+	int err;
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+
+	intp = check_getprop_typed(fdt, 0, "prop-int", TEST_VALUE_1);
+
+	verbose_printf("Old int value was 0x%08x\n", *intp);
+	err = fdt_setprop_inplace_typed(fdt, 0, "prop-int", ~TEST_VALUE_1);
+	if (err)
+		FAIL("Failed to set \"prop-int\" to 0x08%x: %s",
+		     ~TEST_VALUE_1, fdt_strerror(err));
+	intp = check_getprop_typed(fdt, 0, "prop-int", ~TEST_VALUE_1);
+	verbose_printf("New int value is 0x%08x\n", *intp);
+	
+	strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1,
+			     TEST_STRING_1);
+
+	verbose_printf("Old string value was \"%s\"\n", strp);
+	xstr = strdup(strp);
+	xlen = strlen(xstr);
+	for (i = 0; i < xlen; i++)
+		xstr[i] = toupper(xstr[i]);
+	err = fdt_setprop_inplace(fdt, 0, "prop-str", xstr, xlen+1);
+	if (err)
+		FAIL("Failed to set \"prop-str\" to \"%s\": %s",
+		     xstr, fdt_strerror(err));
+
+	strp = check_getprop(fdt, 0, "prop-str", xlen+1, xstr);
+	verbose_printf("New string value is \"%s\"\n", strp);	
+
+	PASS();
+}

tests/subnode_offset.c

@@ -0,0 +1,83 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for fdt_subnode_offset()
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+int check_subnode(struct fdt_header *fdt, int parent, const char *name)
+{
+	int offset;
+	struct fdt_node_header *nh;
+	uint32_t tag;
+
+	verbose_printf("Checking subnode \"%s\" of %d...", name, parent);
+	offset = fdt_subnode_offset(fdt, parent, name);
+	verbose_printf("offset %d...", offset);
+	if (offset < 0)
+		FAIL("fdt_subnode_offset(\"%s\"): %s", name, fdt_strerror(offset));
+	nh = fdt_offset_ptr_typed(fdt, offset, nh);
+	verbose_printf("pointer %p\n", nh);
+	if (! nh)
+		FAIL("NULL retrieving subnode \"%s\"", name);
+
+	tag = fdt32_to_cpu(nh->tag);
+
+	if (tag != FDT_BEGIN_NODE)
+		FAIL("Incorrect tag 0x%08x on property \"%s\"", tag, name);
+	if (!streq(nh->name, name))
+		FAIL("Subnode name mismatch \"%s\" instead of \"%s\"",
+		     nh->name, name);
+
+	return offset;
+}
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+	int subnode1_offset, subnode2_offset;
+	int subsubnode1_offset, subsubnode2_offset;
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+
+	subnode1_offset = check_subnode(fdt, 0, "subnode1");
+	subnode2_offset = check_subnode(fdt, 0, "subnode2");
+
+	if (subnode1_offset == subnode2_offset)
+		FAIL("Different subnodes have same offset");
+
+	check_property_typed(fdt, subnode1_offset, "prop-int", TEST_VALUE_1);
+	check_property_typed(fdt, subnode2_offset, "prop-int", TEST_VALUE_2);
+
+	subsubnode1_offset = check_subnode(fdt, subnode1_offset, "subsubnode");
+	subsubnode2_offset = check_subnode(fdt, subnode2_offset, "subsubnode");
+
+	check_property_typed(fdt, subsubnode1_offset, "prop-int", TEST_VALUE_1);
+	check_property_typed(fdt, subsubnode2_offset, "prop-int", TEST_VALUE_2);
+
+	PASS();
+}

tests/sw_tree1.c

@@ -0,0 +1,83 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for fdt_nop_node()
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+#define SPACE	65536
+
+#define CHECK(code) \
+	{ \
+		err = (code); \
+		if (err) \
+			FAIL(#code ": %s", fdt_strerror(err)); \
+	}
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+	int err;
+
+	test_init(argc, argv);
+
+	fdt = xmalloc(SPACE);
+	CHECK(fdt_create(fdt, SPACE));
+
+	CHECK(fdt_finish_reservemap(fdt));
+	CHECK(fdt_begin_node(fdt, ""));
+	CHECK(fdt_property_typed(fdt, "prop-int", TEST_VALUE_1));
+	CHECK(fdt_property_string(fdt, "prop-str", TEST_STRING_1));
+
+	CHECK(fdt_begin_node(fdt, "subnode1"));
+	CHECK(fdt_property_typed(fdt, "prop-int", TEST_VALUE_1));
+	CHECK(fdt_begin_node(fdt, "subsubnode"));
+	CHECK(fdt_property_typed(fdt, "prop-int", TEST_VALUE_1));
+	CHECK(fdt_end_node(fdt));
+	CHECK(fdt_end_node(fdt));
+
+	CHECK(fdt_begin_node(fdt, "subnode2"));
+	CHECK(fdt_property_typed(fdt, "prop-int", TEST_VALUE_2));
+	CHECK(fdt_begin_node(fdt, "subsubnode"));
+	CHECK(fdt_property_typed(fdt, "prop-int", TEST_VALUE_2));
+	CHECK(fdt_end_node(fdt));
+	CHECK(fdt_end_node(fdt));
+
+	CHECK(fdt_end_node(fdt));
+
+	save_blob("unfinished_tree1.test.dtb", fdt);
+
+	CHECK(fdt_finish(fdt));
+
+	verbose_printf("Completed tree, totalsize = %d\n",
+		       fdt_totalsize(fdt));
+
+	save_blob("sw_tree1.test.dtb", fdt);
+
+	PASS();
+}

tests/testdata.h

@@ -0,0 +1,9 @@
+#define TEST_VALUE_1	0xdeadbeef
+#define TEST_VALUE_2	0xabcd1234
+
+#define TEST_STRING_1	"hello world"
+
+#ifndef __ASSEMBLY__
+extern struct fdt_header _test_tree1;
+extern struct fdt_header _truncated_property;
+#endif /* ! __ASSEMBLY */

tests/tests.h

@@ -0,0 +1,133 @@
+#ifndef _TESTS_H
+#define _TESTS_H
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase definitions
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#define DEBUG
+
+/* Test return codes */
+#define RC_PASS 	0
+#define RC_CONFIG 	1
+#define RC_FAIL		2
+#define RC_BUG		99
+
+extern int verbose_test;
+extern char *test_name;
+void test_init(int argc, char *argv[]);
+
+#define ALIGN(x, a)	(((x) + (a) - 1) & ~((a) - 1))
+#define PALIGN(p, a)	((void *)ALIGN((unsigned long)(p), (a)))
+
+#define streq(s1, s2)	(strcmp((s1),(s2)) == 0)
+
+/* Each test case must define this function */
+void cleanup(void);
+
+#define verbose_printf(...) \
+	if (verbose_test) { \
+		printf(__VA_ARGS__); \
+		fflush(stdout); \
+	}
+#define ERR	"ERR: "
+#define ERROR(fmt, args...)	fprintf(stderr, ERR fmt, ## args)
+
+
+#define	PASS()						\
+	do {						\
+		cleanup();				\
+		printf("PASS\n");			\
+		exit(RC_PASS);				\
+	} while (0)
+
+#define	PASS_INCONCLUSIVE()				\
+	do {						\
+		cleanup();				\
+		printf("PASS (inconclusive)\n");	\
+		exit(RC_PASS);				\
+	} while (0)
+
+#define IRRELEVANT()					\
+	do {						\
+		cleanup();				\
+		printf("PASS (irrelevant)\n");		\
+		exit(RC_PASS);				\
+	} while (0)
+
+/* Look out, gcc extension below... */
+#define FAIL(fmt, ...)					\
+	do {						\
+		cleanup();				\
+		printf("FAIL\t" fmt "\n", ##__VA_ARGS__);	\
+		exit(RC_FAIL);				\
+	} while (0)
+
+#define CONFIG(fmt, ...)				\
+	do {						\
+		cleanup();				\
+		printf("Bad configuration: " fmt "\n", ##__VA_ARGS__);	\
+		exit(RC_CONFIG);			\
+	} while (0)
+
+#define TEST_BUG(fmt, ...)				\
+	do {						\
+		cleanup();				\
+		printf("BUG in testsuite: " fmt "\n", ##__VA_ARGS__);	\
+		exit(RC_BUG);				\
+	} while (0)
+
+static inline void *xmalloc(size_t size)
+{
+	void *p = malloc(size);
+	if (! p)
+		FAIL("malloc() failure");
+	return p;
+}
+
+static inline void *xrealloc(void *p, size_t size)
+{
+	p = realloc(p, size);
+	if (! p)
+		FAIL("realloc() failure");
+	return p;
+}
+
+void check_property(void *fdt, int nodeoffset, const char *name,
+		    int len, const void *val);
+#define check_property_typed(fdt, nodeoffset, name, val) \
+	({ \
+		typeof(val) x = val; \
+		check_property(fdt, nodeoffset, name, sizeof(x), &x); \
+	})
+
+
+const void *check_getprop(void *fdt, int nodeoffset, const char *name,
+			  int len, const void *val);
+#define check_getprop_typed(fdt, nodeoffset, name, val) \
+	({ \
+		typeof(val) x = val; \
+		check_getprop(fdt, nodeoffset, name, sizeof(x), &x); \
+	})
+#define check_getprop_string(fdt, nodeoffset, name, s) \
+	check_getprop((fdt), (nodeoffset), (name), strlen(s)+1, (s))
+//void *load_blob(const char *filename);
+void *load_blob_arg(int argc, char *argv[]);
+void save_blob(const char *filename, void *blob);
+
+#endif /* _TESTS_H */

tests/testutils.c

@@ -0,0 +1,193 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase common utility functions
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#define _GNU_SOURCE /* for strsignal() */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <limits.h>
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <libfdt.h>
+
+#include "tests.h"
+
+int verbose_test = 1;
+char *test_name;
+
+void  __attribute__((weak)) cleanup(void)
+{
+}
+
+static void sigint_handler(int signum, siginfo_t *si, void *uc)
+{
+	cleanup();
+	fprintf(stderr, "%s: %s (pid=%d)\n", test_name,
+		strsignal(signum), getpid());
+	exit(RC_BUG);
+}
+
+void test_init(int argc, char *argv[])
+{
+	int err;
+	struct sigaction sa_int = {
+		.sa_sigaction = sigint_handler,
+	};
+
+	test_name = argv[0];
+
+	err = sigaction(SIGINT, &sa_int, NULL);
+	if (err)
+		FAIL("Can't install SIGINT handler");
+
+	if (getenv("QUIET_TEST"))
+		verbose_test = 0;
+
+	verbose_printf("Starting testcase \"%s\", pid %d\n",
+		       test_name, getpid());
+}
+
+void check_property(void *fdt, int nodeoffset, const char *name,
+		    int len, const void *val)
+{
+	const struct fdt_property *prop;
+	int retlen;
+	uint32_t tag, nameoff, proplen;
+	const char *propname;
+
+	verbose_printf("Checking property \"%s\"...", name);
+	prop = fdt_get_property(fdt, nodeoffset, name, &retlen);
+	verbose_printf("pointer %p\n", prop);
+	if (! prop)
+		FAIL("Error retreiving \"%s\" pointer: %s", name,
+		     fdt_strerror(retlen));
+
+	tag = fdt32_to_cpu(prop->tag);
+	nameoff = fdt32_to_cpu(prop->nameoff);
+	proplen = fdt32_to_cpu(prop->len);
+
+	if (tag != FDT_PROP)
+		FAIL("Incorrect tag 0x%08x on property \"%s\"", tag, name);
+
+	propname = fdt_string(fdt, nameoff);
+	if (!propname || !streq(propname, name))
+		FAIL("Property name mismatch \"%s\" instead of \"%s\"",
+		     propname, name);
+	if (proplen != retlen)
+		FAIL("Length retrieved for \"%s\" by fdt_get_property()"
+		     " differs from stored length (%d != %d)",
+		     name, retlen, proplen);
+	if (proplen != len)
+		FAIL("Size mismatch on property \"%s\": %d insead of %d",
+		     name, proplen, len);
+	if (memcmp(val, prop->data, len) != 0)
+		FAIL("Data mismatch on property \"%s\"", name);
+	
+}
+
+const void *check_getprop(void *fdt, int nodeoffset, const char *name,
+			  int len, const void *val)
+{
+	const void *propval;
+	int proplen;
+
+	propval = fdt_getprop(fdt, nodeoffset, name, &proplen);
+	if (! propval)
+		FAIL("fdt_getprop(\"%s\"): %s", name, fdt_strerror(proplen));
+
+	if (proplen != len)
+		FAIL("Size mismatch on property \"%s\": %d insead of %d",
+		     name, proplen, len);
+	if (memcmp(val, propval, len) != 0)
+		FAIL("Data mismatch on property \"%s\"", name);
+
+	return propval;
+}
+
+#define CHUNKSIZE	128
+
+void *load_blob(const char *filename)
+{
+	int fd;
+	int offset = 0;
+	int bufsize = 1024;
+	char *p = NULL;
+	int ret;
+
+	fd = open(filename, O_RDONLY);
+	if (fd < 0)
+		CONFIG("Couldn't open blob from \"%s\": %s", filename,
+		       strerror(errno));
+
+	p = xmalloc(bufsize);
+	do {
+		if (offset == bufsize) {
+			bufsize *= 2;
+			p = xrealloc(p, bufsize);
+		}
+
+		ret = read(fd, &p[offset], bufsize - offset);
+		if (ret < 0)
+			CONFIG("Couldn't read from \"%s\": %s", filename,
+			       strerror(errno));
+
+		offset += ret;
+	} while (ret != 0);
+
+	return p;
+}
+
+void *load_blob_arg(int argc, char *argv[])
+{
+	if (argc != 2)
+		CONFIG("Usage: %s <dtb file>", argv[0]);
+	return load_blob(argv[1]);
+}
+
+void save_blob(const char *filename, void *fdt)
+{
+	int fd;
+	int totalsize;
+	int offset;
+	void *p;
+	int ret;
+
+	fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
+	if (fd < 0)
+		CONFIG("Couldn't open \"%s\" to write blob: %s", filename,
+		       strerror(errno));
+
+	totalsize = fdt_totalsize(fdt);
+	offset = 0;
+	p = fdt;
+
+	while (offset < totalsize) {
+		ret = write(fd, p + offset, totalsize - offset);
+		if (ret < 0)
+			CONFIG("Couldn't write to \"%s\": %s", filename,
+			       strerror(errno));
+		offset += ret;
+	}
+}

tests/trees.S

@@ -0,0 +1,116 @@
+#include <fdt.h>
+#include "testdata.h"
+
+#define FDTLONG(val) \
+	.byte	((val) >> 24) & 0xff ; \
+	.byte	((val) >> 16) & 0xff ; \
+	.byte	((val) >> 8) & 0xff ; \
+	.byte	(val) & 0xff
+
+#define FDTQUAD(val) \
+	.byte	((val) >> 56) & 0xff ; \
+	.byte	((val) >> 48) & 0xff ; \
+	.byte	((val) >> 40) & 0xff ; \
+	.byte	((val) >> 32) & 0xff ; \
+	.byte	((val) >> 24) & 0xff ; \
+	.byte	((val) >> 16) & 0xff ; \
+	.byte	((val) >> 8) & 0xff ; \
+	.byte	(val) & 0xff
+
+#define TREE_HDR(tree) \
+	.balign	4		; \
+	.globl	_##tree		; \
+_##tree:	\
+tree:	\
+	FDTLONG(FDT_MAGIC)	; \
+	FDTLONG(tree##_end - tree) ; \
+	FDTLONG(tree##_struct - tree) ; \
+	FDTLONG(tree##_strings - tree) ; \
+	FDTLONG(tree##_rsvmap - tree) ; \
+	FDTLONG(0x11)		; \
+	FDTLONG(0x10)		; \
+	FDTLONG(0)		; \
+	FDTLONG(tree##_end - tree##_strings) ; \
+	FDTLONG(tree##_strings - tree##_struct) ;
+
+#define RSVMAP_ENTRY(addr, len) \
+	FDTQUAD(addr)		; \
+	FDTQUAD(len)		;
+
+#define PROPHDR(tree, name, len) \
+	FDTLONG(FDT_PROP)	; \
+	FDTLONG(len)		; \
+	FDTLONG(tree##_##name - tree##_strings) ;
+
+#define PROP_INT(tree, name, val) \
+	PROPHDR(tree, name, 4) \
+	/* For ease of testing the property values go in native-endian */ \
+	.long	val
+
+#define PROP_STR(tree, name, str) \
+	PROPHDR(tree, name, 55f - 54f) \
+54:	\
+	.string	str		; \
+55:	\
+	.balign	4
+
+#define BEGIN_NODE(name) \
+	FDTLONG(FDT_BEGIN_NODE)	; \
+	.string	name		; \
+	.balign 4
+
+#define END_NODE \
+	FDTLONG(FDT_END_NODE)	;
+
+#define STRING(tree, name, str) \
+tree##_##name:	\
+	.string	str
+	
+	.data
+
+	TREE_HDR(test_tree1)
+
+test_tree1_rsvmap:
+	RSVMAP_ENTRY(0, 0)
+
+test_tree1_struct:
+	BEGIN_NODE("")
+	PROP_INT(test_tree1, prop_int, TEST_VALUE_1)
+	PROP_STR(test_tree1, prop_str, TEST_STRING_1)
+	
+	BEGIN_NODE("subnode1")
+	PROP_INT(test_tree1, prop_int, TEST_VALUE_1)
+
+	BEGIN_NODE("subsubnode")
+	PROP_INT(test_tree1, prop_int, TEST_VALUE_1)
+	END_NODE
+	END_NODE
+
+	BEGIN_NODE("subnode2")
+	PROP_INT(test_tree1, prop_int, TEST_VALUE_2)
+
+	BEGIN_NODE("subsubnode")
+	PROP_INT(test_tree1, prop_int, TEST_VALUE_2)
+	END_NODE
+	END_NODE
+
+	END_NODE
+	FDTLONG(FDT_END)
+
+test_tree1_strings:
+	STRING(test_tree1, prop_int, "prop-int")
+	STRING(test_tree1, prop_str, "prop-str")
+test_tree1_end:
+
+	TREE_HDR(truncated_property)
+truncated_property_rsvmap:
+	RSVMAP_ENTRY(0, 0)
+
+truncated_property_struct:
+	BEGIN_NODE("")
+	PROPHDR(truncated_property, prop_truncated, 4)
+	/* Oops, no actual property data here */
+	
+truncated_property_strings:
+	STRING(truncated_property, prop_truncated, "truncated")
+truncated_property_end:

tests/truncated_property.c

@@ -0,0 +1,49 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for misbehaviour on a truncated property
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+int main(int argc, char *argv[])
+{
+	void *fdt = &_truncated_property;
+	const void *prop;
+	int err;
+	int len;
+
+	test_init(argc, argv);
+
+	prop = fdt_getprop(fdt, 0, "truncated", &len);
+	if (prop)
+		FAIL("fdt_getprop() succeeded on truncated property");
+	if (len != -FDT_ERR_BADSTRUCTURE)
+		FAIL("fdt_getprop() failed with \"%s\" instead of \"%s\"",
+		     fdt_strerror(err), fdt_strerror(-FDT_ERR_BADSTRUCTURE));
+
+	PASS();
+}