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1 /*
2  * Copyright (c) 2013 Google, Inc
3  *
4  * SPDX-License-Identifier:     GPL-2.0+
5  */
6
7 #include <common.h>
8 #include <command.h>
9 #include <dm.h>
10 #include <errno.h>
11 #include <malloc.h>
12 #include <dm/test.h>
13 #include <dm/root.h>
14 #include <dm/uclass-internal.h>
15 #include <test/ut.h>
16
17 DECLARE_GLOBAL_DATA_PTR;
18
19 struct unit_test_state global_dm_test_state;
20 static struct dm_test_state _global_priv_dm_test_state;
21
22 /* Get ready for testing */
23 static int dm_test_init(struct unit_test_state *uts)
24 {
25         struct dm_test_state *dms = uts->priv;
26
27         memset(dms, '\0', sizeof(*dms));
28         gd->dm_root = NULL;
29         memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
30
31         ut_assertok(dm_init());
32         dms->root = dm_root();
33
34         return 0;
35 }
36
37 /* Ensure all the test devices are probed */
38 static int do_autoprobe(struct unit_test_state *uts)
39 {
40         struct udevice *dev;
41         int ret;
42
43         /* Scanning the uclass is enough to probe all the devices */
44         for (ret = uclass_first_device(UCLASS_TEST, &dev);
45              dev;
46              ret = uclass_next_device(&dev))
47                 ;
48
49         return ret;
50 }
51
52 static int dm_test_destroy(struct unit_test_state *uts)
53 {
54         int id;
55
56         for (id = 0; id < UCLASS_COUNT; id++) {
57                 struct uclass *uc;
58
59                 /*
60                  * If the uclass doesn't exist we don't want to create it. So
61                  * check that here before we call uclass_find_device()/
62                  */
63                 uc = uclass_find(id);
64                 if (!uc)
65                         continue;
66                 ut_assertok(uclass_destroy(uc));
67         }
68
69         return 0;
70 }
71
72 static int dm_test_main(const char *test_name)
73 {
74         struct unit_test *tests = ll_entry_start(struct unit_test, dm_test);
75         const int n_ents = ll_entry_count(struct unit_test, dm_test);
76         struct unit_test_state *uts = &global_dm_test_state;
77         uts->priv = &_global_priv_dm_test_state;
78         struct unit_test *test;
79
80         /*
81          * If we have no device tree, or it only has a root node, then these
82          * tests clearly aren't going to work...
83          */
84         if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) {
85                 puts("Please run with test device tree:\n"
86                      "    ./u-boot -d arch/sandbox/dts/test.dtb\n");
87                 ut_assert(gd->fdt_blob);
88         }
89
90         if (!test_name)
91                 printf("Running %d driver model tests\n", n_ents);
92
93         for (test = tests; test < tests + n_ents; test++) {
94                 if (test_name && strcmp(test_name, test->name))
95                         continue;
96                 printf("Test: %s\n", test->name);
97                 ut_assertok(dm_test_init(uts));
98
99                 uts->start = mallinfo();
100                 if (test->flags & DM_TESTF_SCAN_PDATA)
101                         ut_assertok(dm_scan_platdata(false));
102                 if (test->flags & DM_TESTF_PROBE_TEST)
103                         ut_assertok(do_autoprobe(uts));
104                 if (test->flags & DM_TESTF_SCAN_FDT)
105                         ut_assertok(dm_scan_fdt(gd->fdt_blob, false));
106
107                 test->func(uts);
108
109                 ut_assertok(dm_test_destroy(uts));
110         }
111
112         printf("Failures: %d\n", uts->fail_count);
113
114         gd->dm_root = NULL;
115         ut_assertok(dm_init());
116         dm_scan_platdata(false);
117         dm_scan_fdt(gd->fdt_blob, false);
118
119         return uts->fail_count ? CMD_RET_FAILURE : 0;
120 }
121
122 int do_ut_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
123 {
124         const char *test_name = NULL;
125
126         if (argc > 1)
127                 test_name = argv[1];
128
129         return dm_test_main(test_name);
130 }