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test: cmd: fdt: Test fdt mknode

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Add 'fdt mknode' test which works as follows:
- Create fuller FDT, map it to sysmem
- Create node either in / or subnode
- Attempt to create node over existing node, which fails
- Attempt to create subnodes in non-existing nodes or aliases
- Verify created nodes using fdt list command

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 2023-03-02 04:08:37 +01:00 committed by Simon Glass
parent 8bd49a87d9
commit 6c28594bf6
1 changed files with 68 additions and 0 deletions
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68
test/cmd/fdt.c
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@ -779,6 +779,74 @@ static int fdt_test_set(struct unit_test_state *uts)
}
FDT_TEST(fdt_test_set, UT_TESTF_CONSOLE_REC);
static int fdt_test_mknode(struct unit_test_state *uts)
{
char fdt[8192];
ulong addr;
ut_assertok(make_fuller_fdt(uts, fdt, sizeof(fdt)));
fdt_shrink_to_minimum(fdt, 4096); /* Resize with 4096 extra bytes */
addr = map_to_sysmem(fdt);
set_working_fdt_addr(addr);
/* Test creation of new node in / */
ut_assertok(console_record_reset_enable());
ut_assertok(run_commandf("fdt mknode / newnode"));
ut_assertok(run_commandf("fdt list /newnode"));
ut_assert_nextline("newnode {");
ut_assert_nextline("};");
ut_assertok(ut_check_console_end(uts));
/* Test creation of new node in /test-node@1234 */
ut_assertok(console_record_reset_enable());
ut_assertok(run_commandf("fdt mknode /test-node@1234 newsubnode"));
ut_assertok(run_commandf("fdt list /test-node@1234/newsubnode"));
ut_assert_nextline("newsubnode {");
ut_assert_nextline("};");
ut_assertok(ut_check_console_end(uts));
/* Test creation of new node in /test-node@1234 by alias */
ut_assertok(console_record_reset_enable());
ut_assertok(run_commandf("fdt mknode testnodealias newersubnode"));
ut_assertok(run_commandf("fdt list testnodealias/newersubnode"));
ut_assert_nextline("newersubnode {");
ut_assert_nextline("};");
ut_assertok(ut_check_console_end(uts));
/* Test creation of new node in /test-node@1234 over existing node */
ut_assertok(console_record_reset_enable());
ut_asserteq(1, run_commandf("fdt mknode testnodealias newsubnode"));
ut_assert_nextline("libfdt fdt_add_subnode(): FDT_ERR_EXISTS");
ut_assertok(ut_check_console_end(uts));
/* Test creation of new node in /test-node@1234 by alias over existing node */
ut_assertok(console_record_reset_enable());
ut_asserteq(1, run_commandf("fdt mknode testnodealias newersubnode"));
ut_assert_nextline("libfdt fdt_add_subnode(): FDT_ERR_EXISTS");
ut_assertok(ut_check_console_end(uts));
/* Test creation of new node in non-existent node */
ut_assertok(console_record_reset_enable());
ut_asserteq(1, run_commandf("fdt mknode /no-node newnosubnode"));
ut_assert_nextline("libfdt fdt_path_offset() returned FDT_ERR_NOTFOUND");
ut_assertok(ut_check_console_end(uts));
/* Test creation of new node in non-existent alias */
ut_assertok(console_record_reset_enable());
ut_asserteq(1, run_commandf("fdt mknode noalias newfailsubnode"));
ut_assert_nextline("libfdt fdt_path_offset() returned FDT_ERR_BADPATH");
ut_assertok(ut_check_console_end(uts));
/* Test creation of new node in bad alias */
ut_assertok(console_record_reset_enable());
ut_asserteq(1, run_commandf("fdt mknode badalias newbadsubnode"));
ut_assert_nextline("libfdt fdt_path_offset() returned FDT_ERR_NOTFOUND");
ut_assertok(ut_check_console_end(uts));
return 0;
}
FDT_TEST(fdt_test_mknode, UT_TESTF_CONSOLE_REC);
int do_ut_fdt(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
struct unit_test *tests = UNIT_TEST_SUITE_START(fdt_test);