From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/dtc/tests/supernode_atdepth_offset.c | 145 ++++++++++++++++++++++++++++++ 1 file changed, 145 insertions(+) create mode 100644 qemu/dtc/tests/supernode_atdepth_offset.c (limited to 'qemu/dtc/tests/supernode_atdepth_offset.c') diff --git a/qemu/dtc/tests/supernode_atdepth_offset.c b/qemu/dtc/tests/supernode_atdepth_offset.c new file mode 100644 index 000000000..43e120d79 --- /dev/null +++ b/qemu/dtc/tests/supernode_atdepth_offset.c @@ -0,0 +1,145 @@ +/* + * libfdt - Flat Device Tree manipulation + * Testcase for fdt_supernode_atdepth_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 +#include +#include +#include + +#include + +#include "tests.h" +#include "testdata.h" + +static int path_depth(const char *path) +{ + const char *p; + int depth = 0; + + if (path[0] != '/') + TEST_BUG(); + + if (strcmp(path, "/") == 0) + return 0; + for (p = path; *p; p++) + if (*p == '/') + depth++; + + /* Special case for path == "/" */ + if (p == (path + 1)) + return 0; + else + return depth; +} + +static int path_prefix(const char *path, int depth) +{ + const char *p; + int i; + + if (path[0] != '/') + TEST_BUG(); + + if (depth == 0) + return 1; + + p = path; + for (i = 0; i < depth; i++) + p = p+1 + strcspn(p+1, "/"); + + return p - path; +} + +static void check_supernode_atdepth(struct fdt_header *fdt, const char *path, + int depth) +{ + int pdepth = path_depth(path); + char *superpath; + int nodeoffset, supernodeoffset, superpathoffset, pathprefixlen; + int nodedepth; + + pathprefixlen = path_prefix(path, depth); + superpath = alloca(pathprefixlen + 1); + strncpy(superpath, path, pathprefixlen); + superpath[pathprefixlen] = '\0'; + + verbose_printf("Path %s (%d), depth %d, supernode is %s\n", + path, pdepth, depth, superpath); + + nodeoffset = fdt_path_offset(fdt, path); + if (nodeoffset < 0) + FAIL("fdt_path_offset(%s): %s", path, fdt_strerror(nodeoffset)); + superpathoffset = fdt_path_offset(fdt, superpath); + if (superpathoffset < 0) + FAIL("fdt_path_offset(%s): %s", superpath, + fdt_strerror(superpathoffset)); + + supernodeoffset = fdt_supernode_atdepth_offset(fdt, nodeoffset, + depth, &nodedepth); + if (supernodeoffset < 0) + FAIL("fdt_supernode_atdepth_offset(): %s", + fdt_strerror(supernodeoffset)); + + if (supernodeoffset != superpathoffset) + FAIL("fdt_supernode_atdepth_offset() returns %d instead of %d", + supernodeoffset, superpathoffset); + + if (nodedepth != pdepth) + FAIL("fdt_supernode_atdept_offset() returns node depth %d " + "instead of %d", nodedepth, pdepth); +} + +static void check_supernode_overdepth(struct fdt_header *fdt, const char *path) +{ + int pdepth = path_depth(path); + int nodeoffset, err; + + nodeoffset = fdt_path_offset(fdt, path); + if (nodeoffset < 0) + FAIL("fdt_path_offset(%s): %s", path, fdt_strerror(nodeoffset)); + + err = fdt_supernode_atdepth_offset(fdt, nodeoffset, pdepth + 1, NULL); + if (err != -FDT_ERR_NOTFOUND) + FAIL("fdt_supernode_atdept_offset(%s, %d) returns %d instead " + "of FDT_ERR_NOTFOUND", path, pdepth+1, err); +} + +static void check_path(struct fdt_header *fdt, const char *path) +{ + int i; + + for (i = 0; i <= path_depth(path); i++) + check_supernode_atdepth(fdt, path, i); + check_supernode_overdepth(fdt, path); +} +int main(int argc, char *argv[]) +{ + void *fdt; + + test_init(argc, argv); + fdt = load_blob_arg(argc, argv); + + check_path(fdt, "/"); + check_path(fdt, "/subnode@1"); + check_path(fdt, "/subnode@2"); + check_path(fdt, "/subnode@1/subsubnode"); + check_path(fdt, "/subnode@2/subsubnode@0"); + + PASS(); +} -- cgit 1.2.3-korg