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 state_reset_for_test(state_get_current()); 33 34 ut_assertok(dm_init(false)); 35 dms->root = dm_root(); 36 37 return 0; 38 } 39 40 /* Ensure all the test devices are probed */ 41 static int do_autoprobe(struct unit_test_state *uts) 42 { 43 struct udevice *dev; 44 int ret; 45 46 /* Scanning the uclass is enough to probe all the devices */ 47 for (ret = uclass_first_device(UCLASS_TEST, &dev); 48 dev; 49 ret = uclass_next_device(&dev)) 50 ; 51 52 return ret; 53 } 54 55 static int dm_test_destroy(struct unit_test_state *uts) 56 { 57 int id; 58 59 for (id = 0; id < UCLASS_COUNT; id++) { 60 struct uclass *uc; 61 62 /* 63 * If the uclass doesn't exist we don't want to create it. So 64 * check that here before we call uclass_find_device()/ 65 */ 66 uc = uclass_find(id); 67 if (!uc) 68 continue; 69 ut_assertok(uclass_destroy(uc)); 70 } 71 72 return 0; 73 } 74 75 static int dm_do_test(struct unit_test_state *uts, struct unit_test *test) 76 { 77 struct sandbox_state *state = state_get_current(); 78 79 printf("Test: %s\n", test->name); 80 ut_assertok(dm_test_init(uts)); 81 82 uts->start = mallinfo(); 83 if (test->flags & DM_TESTF_SCAN_PDATA) 84 ut_assertok(dm_scan_platdata(false)); 85 if (test->flags & DM_TESTF_PROBE_TEST) 86 ut_assertok(do_autoprobe(uts)); 87 if (test->flags & DM_TESTF_SCAN_FDT) 88 ut_assertok(dm_scan_fdt(gd->fdt_blob, false)); 89 90 /* 91 * Silence the console and rely on console reocrding to get 92 * our output. 93 */ 94 console_record_reset(); 95 if (!state->show_test_output) 96 gd->flags |= GD_FLG_SILENT; 97 test->func(uts); 98 gd->flags &= ~GD_FLG_SILENT; 99 state_set_skip_delays(false); 100 101 ut_assertok(dm_test_destroy(uts)); 102 103 return 0; 104 } 105 106 static int dm_test_main(const char *test_name) 107 { 108 struct unit_test *tests = ll_entry_start(struct unit_test, dm_test); 109 const int n_ents = ll_entry_count(struct unit_test, dm_test); 110 struct unit_test_state *uts = &global_dm_test_state; 111 uts->priv = &_global_priv_dm_test_state; 112 struct unit_test *test; 113 int run_count; 114 115 uts->fail_count = 0; 116 117 /* 118 * If we have no device tree, or it only has a root node, then these 119 * tests clearly aren't going to work... 120 */ 121 if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) { 122 puts("Please run with test device tree:\n" 123 " ./u-boot -d arch/sandbox/dts/test.dtb\n"); 124 ut_assert(gd->fdt_blob); 125 } 126 127 if (!test_name) 128 printf("Running %d driver model tests\n", n_ents); 129 130 run_count = 0; 131 for (test = tests; test < tests + n_ents; test++) { 132 const char *name = test->name; 133 134 /* All tests have this prefix */ 135 if (!strncmp(name, "dm_test_", 8)) 136 name += 8; 137 if (test_name && strcmp(test_name, name)) 138 continue; 139 ut_assertok(dm_do_test(uts, test)); 140 run_count++; 141 } 142 143 if (test_name && !run_count) 144 printf("Test '%s' not found\n", test_name); 145 else 146 printf("Failures: %d\n", uts->fail_count); 147 148 gd->dm_root = NULL; 149 ut_assertok(dm_init(false)); 150 dm_scan_platdata(false); 151 dm_scan_fdt(gd->fdt_blob, false); 152 153 return uts->fail_count ? CMD_RET_FAILURE : 0; 154 } 155 156 int do_ut_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 157 { 158 const char *test_name = NULL; 159 160 if (argc > 1) 161 test_name = argv[1]; 162 163 return dm_test_main(test_name); 164 } 165