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test: cmd: fdt: Test fdt set
Add 'fdt set' test which works as follows: - Create fuller FDT, map it to sysmem - Set either existing property to overwrite it, or new property - Test setting both single properties as well as string and integer arrays - Test setting to non-existent nodes and aliases - Verify set values using 'fdt get value' The test case can be triggered using: " ./u-boot -Dc 'ut fdt' " To dump the full output from commands used during test, add '-v' flag. Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org> Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Marek Vasut
Simon Glass
parent
55d0f982f3
commit
a6bcd977f9
144
test/cmd/fdt.c
144
test/cmd/fdt.c
@ -635,6 +635,150 @@ static int fdt_test_get_size(struct unit_test_state *uts)
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}
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FDT_TEST(fdt_test_get_size, UT_TESTF_CONSOLE_REC);
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static int fdt_test_set_single(struct unit_test_state *uts,
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const char *path, const char *prop,
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const char *sval, int ival, bool integer)
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{
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/*
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* Set single element string/integer/<empty> property into DT, that is:
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* => fdt set /path property string
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* => fdt set /path property integer
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* => fdt set /path property
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*/
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ut_assertok(console_record_reset_enable());
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if (sval) {
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ut_assertok(run_commandf("fdt set %s %s %s", path, prop, sval));
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} else if (integer) {
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ut_assertok(run_commandf("fdt set %s %s <%d>", path, prop, ival));
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} else {
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ut_assertok(run_commandf("fdt set %s %s", path, prop));
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}
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/* Validate the property is present and has correct value. */
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ut_assertok(run_commandf("fdt get value svar %s %s", path, prop));
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if (sval) {
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ut_asserteq_str(sval, env_get("svar"));
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} else if (integer) {
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ut_asserteq(ival, env_get_hex("svar", 0x1234));
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} else {
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ut_assertnull(env_get("svar"));
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}
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ut_assertok(ut_check_console_end(uts));
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return 0;
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}
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static int fdt_test_set_multi(struct unit_test_state *uts,
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const char *path, const char *prop,
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const char *sval1, const char *sval2,
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int ival1, int ival2)
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{
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/*
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* Set multi element string/integer array property in DT, that is:
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* => fdt set /path property <string1 string2>
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* => fdt set /path property <integer1 integer2>
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*
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* The set is done twice in here deliberately, The first set adds
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* the property with an extra trailing element in its array to make
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* the array longer, the second set is the expected final content of
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* the array property. The longer array is used to verify that the
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* new array is correctly sized and read past the new array length
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* triggers failure.
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*/
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ut_assertok(console_record_reset_enable());
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if (sval1 && sval2) {
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ut_assertok(run_commandf("fdt set %s %s %s %s end", path, prop, sval1, sval2));
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ut_assertok(run_commandf("fdt set %s %s %s %s", path, prop, sval1, sval2));
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} else {
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ut_assertok(run_commandf("fdt set %s %s <%d %d 10>", path, prop, ival1, ival2));
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ut_assertok(run_commandf("fdt set %s %s <%d %d>", path, prop, ival1, ival2));
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}
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/*
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* Validate the property is present and has correct value.
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*
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* The "end/10" above and "svarn" below is used to validate that
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* previous 'fdt set' to longer array does not polute newly set
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* shorter array.
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*/
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ut_assertok(run_commandf("fdt get value svar1 %s %s 0", path, prop));
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ut_assertok(run_commandf("fdt get value svar2 %s %s 1", path, prop));
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ut_asserteq(1, run_commandf("fdt get value svarn %s %s 2", path, prop));
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if (sval1 && sval2) {
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ut_asserteq_str(sval1, env_get("svar1"));
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ut_asserteq_str(sval2, env_get("svar2"));
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ut_assertnull(env_get("svarn"));
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} else {
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ut_asserteq(ival1, env_get_hex("svar1", 0x1234));
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ut_asserteq(ival2, env_get_hex("svar2", 0x1234));
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ut_assertnull(env_get("svarn"));
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}
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ut_assertok(ut_check_console_end(uts));
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return 0;
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}
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static int fdt_test_set_node(struct unit_test_state *uts,
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const char *path, const char *prop)
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{
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fdt_test_set_single(uts, path, prop, "new", 0, false);
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fdt_test_set_single(uts, path, prop, "rewrite", 0, false);
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fdt_test_set_single(uts, path, prop, NULL, 42, true);
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fdt_test_set_single(uts, path, prop, NULL, 0, false);
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fdt_test_set_multi(uts, path, prop, NULL, NULL, 42, 1701);
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fdt_test_set_multi(uts, path, prop, NULL, NULL, 74656, 9);
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fdt_test_set_multi(uts, path, prop, "42", "1701", 0, 0);
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fdt_test_set_multi(uts, path, prop, "74656", "9", 0, 0);
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return 0;
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}
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static int fdt_test_set(struct unit_test_state *uts)
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{
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char fdt[8192];
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ulong addr;
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ut_assertok(make_fuller_fdt(uts, fdt, sizeof(fdt)));
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fdt_shrink_to_minimum(fdt, 4096); /* Resize with 4096 extra bytes */
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addr = map_to_sysmem(fdt);
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set_working_fdt_addr(addr);
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/* Test setting of root node / existing property "compatible" */
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fdt_test_set_node(uts, "/", "compatible");
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/* Test setting of root node / new property "newproperty" */
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fdt_test_set_node(uts, "/", "newproperty");
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/* Test setting of subnode existing property "compatible" */
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fdt_test_set_node(uts, "/test-node@1234/subnode", "compatible");
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fdt_test_set_node(uts, "subnodealias", "compatible");
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/* Test setting of subnode new property "newproperty" */
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fdt_test_set_node(uts, "/test-node@1234/subnode", "newproperty");
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fdt_test_set_node(uts, "subnodealias", "newproperty");
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/* Test setting property of non-existent node */
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ut_assertok(console_record_reset_enable());
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ut_asserteq(1, run_command("fdt set /no-node noprop", 1));
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ut_assert_nextline("libfdt fdt_path_offset() returned FDT_ERR_NOTFOUND");
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ut_assertok(ut_check_console_end(uts));
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/* Test setting property of non-existent alias */
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ut_assertok(console_record_reset_enable());
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ut_asserteq(1, run_command("fdt set noalias noprop", 1));
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ut_assert_nextline("libfdt fdt_path_offset() returned FDT_ERR_BADPATH");
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ut_assertok(ut_check_console_end(uts));
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/* Test setting property of bad alias */
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ut_assertok(console_record_reset_enable());
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ut_asserteq(1, run_command("fdt set badalias noprop", 1));
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ut_assert_nextline("libfdt fdt_path_offset() returned FDT_ERR_NOTFOUND");
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ut_assertok(ut_check_console_end(uts));
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return 0;
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}
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FDT_TEST(fdt_test_set, UT_TESTF_CONSOLE_REC);
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int do_ut_fdt(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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{
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struct unit_test *tests = UNIT_TEST_SUITE_START(fdt_test);
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