This patch adds functions for dealing with the compatible property.
fdt_node_check_compatible() can be used to determine whether a node is
compatible with a given string and fdt_node_offset_by_compatible()
locates nodes with a given compatible string.
Testcases for these functions are also included.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The dtc/libfdt testsuite creates a number of .dtb files during its
run. To ensure a clean test run, these are currently deleted before
each group of tests.
This is, in fact, a mistake, since if something goes wrong in the
first group of tests, deleting the .dtb at the beginning of the second
group of tests makes it harder to figure out what the problem was.
This patch changes the script to only delete the files once, before
the whole test run.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This patch adds functions to libfdt for accessing the memory
reservation map section of a device tree blob. fdt_num_mem_rsv()
retreives the number of reservation entries in a dtb, and
fdt_get_mem_rsv() retreives a specific reservation entry.
fdt_add_mem_rsv() adds a new entry, and fdt_del_mem_rsv() removes a
specific numbered entry.
Testcases for these new functions are also included.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
At present, the testcases for read/write functions (setprop,
del_property and del_node) are only invoked on the single
asm-generated tree, not on any of the other tree images which should
be equivalent. The functions in question will (correctly) not work on
the "unfinished" tree output from sw_tree1, but should work on most of
the others.
This patch extends the run_tests script to invoke the r/w testcases on
more example trees. The testsuite still passes clean with this
addition.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This patch adds a handful of simple testcases for dtc. It adds a dts
file which should generate the same sample tree as is used for the
libfdt testcases, and tests invoking dtc on this dts, plus the
standard batch of libfdt cases on the resulting dtb, which effectively
checks that the dtb is correct.
Because the test framework assumes each testcase is an executable with
the right output conventions, we use a little shell script, dtc.sh, as
a wrapper around dtc itself. It simply invokes dtc and returns a PASS
or FAIL depending on whether dtc returned an error.
It's not much, but it's a start.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
run_tests.sh from the dtc testsuite currently has a facility ro run
just "functional" or just "stress" tests. This distinction is carried
over from libhugetlbfs where the test framework originated, and where
it made sense.
In dtc, we have no stress tests, so running these subsections isn't
particularly interesting. This patch removes these test subsets,
instead defining a single "libfdt" test subset for testcases related
to libfdt (and not dtc proper only. Currently that's all of the
testcases, but with any luck we'll have some dtc testcases in the
future.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This patch adds a function to libfdt to locate nodes containing a
property with a specific value.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The bookkeeping for producing the testsuite summary (total number of
tests passed, failed and so forth) is broken. It uses $? across
several tests, but for checks after the first, the value of $? will no
longer contain the original return code, but just that from the
previous test. This patch fixes the problem.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This patch adds an fdt_parent_offset() function which returns an
offset to the parent node of a given node. It also adds two helper
functions which are used to implement fdt_parent_offset() but are also
exported: fdt_supernode_atdepth_offset() which returns the ancestor of
a given node at a specified depth from the root of the tree, and
fdt_node_depth() which returns the depth of a given node.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This patch adds an fdt_get_path() function to libfdt, which returns
the full path of a given node in a caller supplied buffer.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This patch adds a new fdt_get_name() function to libfdt which will
return a node's name string (including unit address, if any).
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
There are quite a lot of testcases in the dtc testsuite (recently
imported from libfdt). It can be easy to miss a stray FAIL result in
the midst of all the rest. To improve this, this patch adds a summary
to the end of the testsuite results giving the total number of tests
along with the number of PASSes FAILs and other results.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
