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 <dm.h>
   9 #include <errno.h>
  10 #include <malloc.h>
  11 #include <dm/test.h>
  12 #include <dm/root.h>
  13 #include <dm/uclass-internal.h>
  14 #include <dm/ut.h>
  15
  16 DECLARE_GLOBAL_DATA_PTR;
  17
  18 struct dm_test_state global_test_state;
  19
  20 /* Get ready for testing */
  21 static int dm_test_init(struct dm_test_state *dms)
  22 {
  23         memset(dms, '\0', sizeof(*dms));
  24         gd->dm_root = NULL;
  25         memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
  26
  27         ut_assertok(dm_init());
  28         dms->root = dm_root();
  29
  30         return 0;
  31 }
  32
  33 /* Ensure all the test devices are probed */
  34 static int do_autoprobe(struct dm_test_state *dms)
  35 {
  36         struct udevice *dev;
  37         int ret;
  38
  39         /* Scanning the uclass is enough to probe all the devices */
  40         for (ret = uclass_first_device(UCLASS_TEST, &dev);
  41              dev;
  42              ret = uclass_next_device(&dev))
  43                 ;
  44
  45         return ret;
  46 }
  47
  48 static int dm_test_destroy(struct dm_test_state *dms)
  49 {
  50         int id;
  51
  52         for (id = 0; id < UCLASS_COUNT; id++) {
  53                 struct uclass *uc;
  54
  55                 /*
  56                  * If the uclass doesn't exist we don't want to create it. So
  57                  * check that here before we call uclass_find_device()/
  58                  */
  59                 uc = uclass_find(id);
  60                 if (!uc)
  61                         continue;
  62                 ut_assertok(uclass_destroy(uc));
  63         }
  64
  65         return 0;
  66 }
  67
  68 int dm_test_main(void)
  69 {
  70         struct dm_test *tests = ll_entry_start(struct dm_test, dm_test);
  71         const int n_ents = ll_entry_count(struct dm_test, dm_test);
  72         struct dm_test_state *dms = &global_test_state;
  73         struct dm_test *test;
  74
  75         /*
  76          * If we have no device tree, or it only has a root node, then these
  77          * tests clearly aren't going to work...
  78          */
  79         if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) {
  80                 puts("Please run with test device tree:\n"
  81                      "     dtc -I dts -O dtb test/dm/test.dts  -o test/dm/test.dtb\n"
  82                      "    ./u-boot -d test/dm/test.dtb\n");
  83                 ut_assert(gd->fdt_blob);
  84         }
  85
  86         printf("Running %d driver model tests\n", n_ents);
  87
  88         for (test = tests; test < tests + n_ents; test++) {
  89                 printf("Test: %s\n", test->name);
  90                 ut_assertok(dm_test_init(dms));
  91
  92                 dms->start = mallinfo();
  93                 if (test->flags & DM_TESTF_SCAN_PDATA)
  94                         ut_assertok(dm_scan_platdata(false));
  95                 if (test->flags & DM_TESTF_PROBE_TEST)
  96                         ut_assertok(do_autoprobe(dms));
  97                 if (test->flags & DM_TESTF_SCAN_FDT)
  98                         ut_assertok(dm_scan_fdt(gd->fdt_blob, false));
  99
 100                 if (test->func(dms))
 101                         break;
 102
 103                 ut_assertok(dm_test_destroy(dms));
 104         }
 105
 106         printf("Failures: %d\n", dms->fail_count);
 107
 108         return 0;
 109 }