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 <console.h>
  10 #include <dm.h>
  11 #include <errno.h>
  12 #include <malloc.h>
  13 #include <asm/state.h>
  14 #include <dm/test.h>
  15 #include <dm/root.h>
  16 #include <dm/uclass-internal.h>
  17 #include <test/ut.h>
  18
  19 DECLARE_GLOBAL_DATA_PTR;
  20
  21 struct unit_test_state global_dm_test_state;
  22 static struct dm_test_state _global_priv_dm_test_state;
  23
  24 /* Get ready for testing */
  25 static int dm_test_init(struct unit_test_state *uts)
  26 {
  27         struct dm_test_state *dms = uts->priv;
  28
  29         memset(dms, '\0', sizeof(*dms));
  30         gd->dm_root = NULL;
  31         memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
  32
  33         ut_assertok(dm_init());
  34         dms->root = dm_root();
  35
  36         return 0;
  37 }
  38
  39 /* Ensure all the test devices are probed */
  40 static int do_autoprobe(struct unit_test_state *uts)
  41 {
  42         struct udevice *dev;
  43         int ret;
  44
  45         /* Scanning the uclass is enough to probe all the devices */
  46         for (ret = uclass_first_device(UCLASS_TEST, &dev);
  47              dev;
  48              ret = uclass_next_device(&dev))
  49                 ;
  50
  51         return ret;
  52 }
  53
  54 static int dm_test_destroy(struct unit_test_state *uts)
  55 {
  56         int id;
  57
  58         for (id = 0; id < UCLASS_COUNT; id++) {
  59                 struct uclass *uc;
  60
  61                 /*
  62                  * If the uclass doesn't exist we don't want to create it. So
  63                  * check that here before we call uclass_find_device()/
  64                  */
  65                 uc = uclass_find(id);
  66                 if (!uc)
  67                         continue;
  68                 ut_assertok(uclass_destroy(uc));
  69         }
  70
  71         return 0;
  72 }
  73
  74 static int dm_test_main(const char *test_name)
  75 {
  76         struct unit_test *tests = ll_entry_start(struct unit_test, dm_test);
  77         const int n_ents = ll_entry_count(struct unit_test, dm_test);
  78         struct unit_test_state *uts = &global_dm_test_state;
  79         struct sandbox_state *state = state_get_current();
  80         uts->priv = &_global_priv_dm_test_state;
  81         struct unit_test *test;
  82         int run_count;
  83
  84         uts->fail_count = 0;
  85
  86         /*
  87          * If we have no device tree, or it only has a root node, then these
  88          * tests clearly aren't going to work...
  89          */
  90         if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) {
  91                 puts("Please run with test device tree:\n"
  92                      "    ./u-boot -d arch/sandbox/dts/test.dtb\n");
  93                 ut_assert(gd->fdt_blob);
  94         }
  95
  96         if (!test_name)
  97                 printf("Running %d driver model tests\n", n_ents);
  98
  99         run_count = 0;
 100         for (test = tests; test < tests + n_ents; test++) {
 101                 const char *name = test->name;
 102
 103                 /* All tests have this prefix */
 104                 if (!strncmp(name, "dm_test_", 8))
 105                         name += 8;
 106                 if (test_name && strcmp(test_name, name))
 107                         continue;
 108                 printf("Test: %s\n", test->name);
 109                 run_count++;
 110                 ut_assertok(dm_test_init(uts));
 111
 112                 uts->start = mallinfo();
 113                 if (test->flags & DM_TESTF_SCAN_PDATA)
 114                         ut_assertok(dm_scan_platdata(false));
 115                 if (test->flags & DM_TESTF_PROBE_TEST)
 116                         ut_assertok(do_autoprobe(uts));
 117                 if (test->flags & DM_TESTF_SCAN_FDT)
 118                         ut_assertok(dm_scan_fdt(gd->fdt_blob, false));
 119
 120                 /*
 121                  * Silence the console and rely on console reocrding to get
 122                  * our output.
 123                  */
 124                 console_record_reset();
 125                 if (!state->show_test_output)
 126                         gd->flags |= GD_FLG_SILENT;
 127                 test->func(uts);
 128                 gd->flags &= ~GD_FLG_SILENT;
 129                 state_set_skip_delays(false);
 130
 131                 ut_assertok(dm_test_destroy(uts));
 132         }
 133
 134         if (test_name && !run_count)
 135                 printf("Test '%s' not found\n", test_name);
 136         else
 137                 printf("Failures: %d\n", uts->fail_count);
 138
 139         gd->dm_root = NULL;
 140         ut_assertok(dm_init());
 141         dm_scan_platdata(false);
 142         dm_scan_fdt(gd->fdt_blob, false);
 143
 144         return uts->fail_count ? CMD_RET_FAILURE : 0;
 145 }
 146
 147 int do_ut_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 148 {
 149         const char *test_name = NULL;
 150
 151         if (argc > 1)
 152                 test_name = argv[1];
 153
 154         return dm_test_main(test_name);
 155 }