1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2013 Google, Inc
13 #include <asm/state.h>
16 #include <dm/uclass-internal.h>
17 #include <test/test.h>
18 #include <test/test.h>
21 DECLARE_GLOBAL_DATA_PTR;
23 struct unit_test_state global_dm_test_state;
24 static struct dm_test_state _global_priv_dm_test_state;
26 /* Get ready for testing */
27 static int dm_test_init(struct unit_test_state *uts, bool of_live)
29 struct dm_test_state *dms = uts->priv;
31 memset(dms, '\0', sizeof(*dms));
33 if (!CONFIG_IS_ENABLED(OF_PLATDATA))
34 memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
35 state_reset_for_test(state_get_current());
37 /* Determine whether to make the live tree available */
38 gd_set_of_root(of_live ? uts->of_root : NULL);
39 ut_assertok(dm_init(of_live));
40 dms->root = dm_root();
45 /* Ensure all the test devices are probed */
46 static int do_autoprobe(struct unit_test_state *uts)
51 /* Scanning the uclass is enough to probe all the devices */
52 for (ret = uclass_first_device(UCLASS_TEST, &dev);
54 ret = uclass_next_device(&dev))
60 static int dm_test_destroy(struct unit_test_state *uts)
64 for (id = 0; id < UCLASS_COUNT; id++) {
68 * If the uclass doesn't exist we don't want to create it. So
69 * check that here before we call uclass_find_device().
74 ut_assertok(uclass_destroy(uc));
80 static int dm_do_test(struct unit_test_state *uts, struct unit_test *test,
83 struct sandbox_state *state = state_get_current();
84 const char *fname = strrchr(test->file, '/') + 1;
86 printf("Test: %s: %s%s\n", test->name, fname,
87 !of_live ? " (flat tree)" : "");
88 ut_assertok(dm_test_init(uts, of_live));
90 uts->start = mallinfo();
91 if (test->flags & UT_TESTF_SCAN_PDATA)
92 ut_assertok(dm_scan_platdata(false));
93 if (test->flags & UT_TESTF_PROBE_TEST)
94 ut_assertok(do_autoprobe(uts));
95 if (!CONFIG_IS_ENABLED(OF_PLATDATA) &&
96 (test->flags & UT_TESTF_SCAN_FDT))
97 ut_assertok(dm_extended_scan_fdt(gd->fdt_blob, false));
100 * Silence the console and rely on console recording to get
103 console_record_reset_enable();
104 if (!state->show_test_output)
105 gd->flags |= GD_FLG_SILENT;
107 gd->flags &= ~(GD_FLG_SILENT | GD_FLG_RECORD);
108 state_set_skip_delays(false);
110 ut_assertok(dm_test_destroy(uts));
116 * dm_test_run_on_flattree() - Check if we should run a test with flat DT
118 * This skips long/slow tests where there is not much value in running a flat
119 * DT test in addition to a live DT test.
121 * @return true to run the given test on the flat device tree
123 static bool dm_test_run_on_flattree(struct unit_test *test)
125 const char *fname = strrchr(test->file, '/') + 1;
127 return !strstr(fname, "video") || strstr(test->name, "video_base");
130 static bool test_matches(const char *test_name, const char *find_name)
135 if (!strcmp(test_name, find_name))
138 /* All tests have this prefix */
139 if (!strncmp(test_name, "dm_test_", 8))
142 if (!strcmp(test_name, find_name))
148 int dm_test_main(const char *test_name)
150 struct unit_test *tests = ll_entry_start(struct unit_test, dm_test);
151 const int n_ents = ll_entry_count(struct unit_test, dm_test);
152 struct unit_test_state *uts = &global_dm_test_state;
153 struct unit_test *test;
156 uts->priv = &_global_priv_dm_test_state;
159 if (!CONFIG_IS_ENABLED(OF_PLATDATA)) {
161 * If we have no device tree, or it only has a root node, then
162 * these * tests clearly aren't going to work...
164 if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) {
165 puts("Please run with test device tree:\n"
166 " ./u-boot -d arch/sandbox/dts/test.dtb\n");
167 ut_assert(gd->fdt_blob);
172 printf("Running %d driver model tests\n", n_ents);
176 uts->of_root = gd_of_root();
177 for (test = tests; test < tests + n_ents; test++) {
178 const char *name = test->name;
181 if (!test_matches(name, test_name))
184 /* Run with the live tree if possible */
186 if (CONFIG_IS_ENABLED(OF_LIVE)) {
187 if (!(test->flags & UT_TESTF_FLAT_TREE)) {
188 ut_assertok(dm_do_test(uts, test, true));
194 * Run with the flat tree if we couldn't run it with live tree,
195 * or it is a core test.
197 if (!(test->flags & UT_TESTF_LIVE_TREE) &&
198 (!runs || dm_test_run_on_flattree(test))) {
199 ut_assertok(dm_do_test(uts, test, false));
205 if (test_name && !found)
206 printf("Test '%s' not found\n", test_name);
208 printf("Failures: %d\n", uts->fail_count);
210 /* Put everything back to normal so that sandbox works as expected */
211 gd_set_of_root(uts->of_root);
213 ut_assertok(dm_init(CONFIG_IS_ENABLED(OF_LIVE)));
214 dm_scan_platdata(false);
215 if (!CONFIG_IS_ENABLED(OF_PLATDATA))
218 return uts->fail_count ? CMD_RET_FAILURE : 0;
221 int do_ut_dm(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
223 const char *test_name = NULL;
228 return dm_test_main(test_name);