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 memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
34 state_reset_for_test(state_get_current());
37 /* Determine whether to make the live tree available */
38 gd->of_root = of_live ? uts->of_root : NULL;
40 ut_assertok(dm_init(of_live));
41 dms->root = dm_root();
46 /* Ensure all the test devices are probed */
47 static int do_autoprobe(struct unit_test_state *uts)
52 /* Scanning the uclass is enough to probe all the devices */
53 for (ret = uclass_first_device(UCLASS_TEST, &dev);
55 ret = uclass_next_device(&dev))
61 static int dm_test_destroy(struct unit_test_state *uts)
65 for (id = 0; id < UCLASS_COUNT; id++) {
69 * If the uclass doesn't exist we don't want to create it. So
70 * check that here before we call uclass_find_device().
75 ut_assertok(uclass_destroy(uc));
81 static int dm_do_test(struct unit_test_state *uts, struct unit_test *test,
84 struct sandbox_state *state = state_get_current();
85 const char *fname = strrchr(test->file, '/') + 1;
87 printf("Test: %s: %s%s\n", test->name, fname,
88 !of_live ? " (flat tree)" : "");
89 ut_assertok(dm_test_init(uts, of_live));
91 uts->start = mallinfo();
92 if (test->flags & UT_TESTF_SCAN_PDATA)
93 ut_assertok(dm_scan_platdata(false));
94 if (test->flags & UT_TESTF_PROBE_TEST)
95 ut_assertok(do_autoprobe(uts));
96 if (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 int dm_test_main(const char *test_name)
132 struct unit_test *tests = ll_entry_start(struct unit_test, dm_test);
133 const int n_ents = ll_entry_count(struct unit_test, dm_test);
134 struct unit_test_state *uts = &global_dm_test_state;
135 struct unit_test *test;
138 uts->priv = &_global_priv_dm_test_state;
142 * If we have no device tree, or it only has a root node, then these
143 * tests clearly aren't going to work...
145 if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) {
146 puts("Please run with test device tree:\n"
147 " ./u-boot -d arch/sandbox/dts/test.dtb\n");
148 ut_assert(gd->fdt_blob);
152 printf("Running %d driver model tests\n", n_ents);
155 #ifdef CONFIG_OF_LIVE
156 uts->of_root = gd->of_root;
158 for (test = tests; test < tests + n_ents; test++) {
159 const char *name = test->name;
162 /* All tests have this prefix */
163 if (!strncmp(name, "dm_test_", 8))
165 if (test_name && strcmp(test_name, name))
168 /* Run with the live tree if possible */
170 if (IS_ENABLED(CONFIG_OF_LIVE)) {
171 if (!(test->flags & UT_TESTF_FLAT_TREE)) {
172 ut_assertok(dm_do_test(uts, test, true));
178 * Run with the flat tree if we couldn't run it with live tree,
179 * or it is a core test.
181 if (!(test->flags & UT_TESTF_LIVE_TREE) &&
182 (!runs || dm_test_run_on_flattree(test))) {
183 ut_assertok(dm_do_test(uts, test, false));
189 if (test_name && !found)
190 printf("Test '%s' not found\n", test_name);
192 printf("Failures: %d\n", uts->fail_count);
194 /* Put everything back to normal so that sandbox works as expected */
195 #ifdef CONFIG_OF_LIVE
196 gd->of_root = uts->of_root;
199 ut_assertok(dm_init(IS_ENABLED(CONFIG_OF_LIVE)));
200 dm_scan_platdata(false);
201 dm_scan_fdt(gd->fdt_blob, false);
203 return uts->fail_count ? CMD_RET_FAILURE : 0;
206 int do_ut_dm(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
208 const char *test_name = NULL;
213 return dm_test_main(test_name);