test/dm/test-main.c

   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 <asm/state.h>
  13 #include <dm/test.h>
  14 #include <dm/root.h>
  15 #include <dm/uclass-internal.h>
  16 #include <test/ut.h>
  17
  18 DECLARE_GLOBAL_DATA_PTR;
  19
  20 struct unit_test_state global_dm_test_state;
  21 static struct dm_test_state _global_priv_dm_test_state;
  22
  23 /* Get ready for testing */
  24 static int dm_test_init(struct unit_test_state *uts)
  25 {
  26         struct dm_test_state *dms = uts->priv;
  27
  28         memset(dms, '\0', sizeof(*dms));
  29         gd->dm_root = NULL;
  30         memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
  31
  32         ut_assertok(dm_init());
  33         dms->root = dm_root();
  34
  35         return 0;
  36 }
  37
  38 /* Ensure all the test devices are probed */
  39 static int do_autoprobe(struct unit_test_state *uts)
  40 {
  41         struct udevice *dev;
  42         int ret;
  43
  44         /* Scanning the uclass is enough to probe all the devices */
  45         for (ret = uclass_first_device(UCLASS_TEST, &dev);
  46              dev;
  47              ret = uclass_next_device(&dev))
  48                 ;
  49
  50         return ret;
  51 }
  52
  53 static int dm_test_destroy(struct unit_test_state *uts)
  54 {
  55         int id;
  56
  57         for (id = 0; id < UCLASS_COUNT; id++) {
  58                 struct uclass *uc;
  59
  60                 /*
  61                  * If the uclass doesn't exist we don't want to create it. So
  62                  * check that here before we call uclass_find_device()/
  63                  */
  64                 uc = uclass_find(id);
  65                 if (!uc)
  66                         continue;
  67                 ut_assertok(uclass_destroy(uc));
  68         }
  69
  70         return 0;
  71 }
  72
  73 static int dm_test_main(const char *test_name)
  74 {
  75         struct unit_test *tests = ll_entry_start(struct unit_test, dm_test);
  76         const int n_ents = ll_entry_count(struct unit_test, dm_test);
  77         struct unit_test_state *uts = &global_dm_test_state;
  78         uts->priv = &_global_priv_dm_test_state;
  79         struct unit_test *test;
  80         int run_count;
  81
  82         /*
  83          * If we have no device tree, or it only has a root node, then these
  84          * tests clearly aren't going to work...
  85          */
  86         if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) {
  87                 puts("Please run with test device tree:\n"
  88                      "    ./u-boot -d arch/sandbox/dts/test.dtb\n");
  89                 ut_assert(gd->fdt_blob);
  90         }
  91
  92         if (!test_name)
  93                 printf("Running %d driver model tests\n", n_ents);
  94
  95         run_count = 0;
  96         for (test = tests; test < tests + n_ents; test++) {
  97                 const char *name = test->name;
  98
  99                 /* All tests have this prefix */
 100                 if (!strncmp(name, "dm_test_", 8))
 101                         name += 8;
 102                 if (test_name && strcmp(test_name, name))
 103                         continue;
 104                 printf("Test: %s\n", test->name);
 105                 run_count++;
 106                 ut_assertok(dm_test_init(uts));
 107
 108                 uts->start = mallinfo();
 109                 if (test->flags & DM_TESTF_SCAN_PDATA)
 110                         ut_assertok(dm_scan_platdata(false));
 111                 if (test->flags & DM_TESTF_PROBE_TEST)
 112                         ut_assertok(do_autoprobe(uts));
 113                 if (test->flags & DM_TESTF_SCAN_FDT)
 114                         ut_assertok(dm_scan_fdt(gd->fdt_blob, false));
 115
 116                 test->func(uts);
 117                 state_set_skip_delays(false);
 118
 119                 ut_assertok(dm_test_destroy(uts));
 120         }
 121
 122         if (test_name && !run_count)
 123                 printf("Test '%s' not found\n", test_name);
 124         else
 125                 printf("Failures: %d\n", uts->fail_count);
 126
 127         gd->dm_root = NULL;
 128         ut_assertok(dm_init());
 129         dm_scan_platdata(false);
 130         dm_scan_fdt(gd->fdt_blob, false);
 131
 132         return uts->fail_count ? CMD_RET_FAILURE : 0;
 133 }
 134
 135 int do_ut_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 136 {
 137         const char *test_name = NULL;
 138
 139         if (argc > 1)
 140                 test_name = argv[1];
 141
 142         return dm_test_main(test_name);
 143 }