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 const char *fname = strrchr(test->file, '/') + 1; 79 80 printf("Test: %s: %s\n", test->name, fname); 81 ut_assertok(dm_test_init(uts)); 82 83 uts->start = mallinfo(); 84 if (test->flags & DM_TESTF_SCAN_PDATA) 85 ut_assertok(dm_scan_platdata(false)); 86 if (test->flags & DM_TESTF_PROBE_TEST) 87 ut_assertok(do_autoprobe(uts)); 88 if (test->flags & DM_TESTF_SCAN_FDT) 89 ut_assertok(dm_scan_fdt(gd->fdt_blob, false)); 90 91 /* 92 * Silence the console and rely on console reocrding to get 93 * our output. 94 */ 95 console_record_reset(); 96 if (!state->show_test_output) 97 gd->flags |= GD_FLG_SILENT; 98 test->func(uts); 99 gd->flags &= ~GD_FLG_SILENT; 100 state_set_skip_delays(false); 101 102 ut_assertok(dm_test_destroy(uts)); 103 104 return 0; 105 } 106 107 static int dm_test_main(const char *test_name) 108 { 109 struct unit_test *tests = ll_entry_start(struct unit_test, dm_test); 110 const int n_ents = ll_entry_count(struct unit_test, dm_test); 111 struct unit_test_state *uts = &global_dm_test_state; 112 uts->priv = &_global_priv_dm_test_state; 113 struct unit_test *test; 114 int run_count; 115 116 uts->fail_count = 0; 117 118 /* 119 * If we have no device tree, or it only has a root node, then these 120 * tests clearly aren't going to work... 121 */ 122 if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) { 123 puts("Please run with test device tree:\n" 124 " ./u-boot -d arch/sandbox/dts/test.dtb\n"); 125 ut_assert(gd->fdt_blob); 126 } 127 128 if (!test_name) 129 printf("Running %d driver model tests\n", n_ents); 130 131 run_count = 0; 132 for (test = tests; test < tests + n_ents; test++) { 133 const char *name = test->name; 134 135 /* All tests have this prefix */ 136 if (!strncmp(name, "dm_test_", 8)) 137 name += 8; 138 if (test_name && strcmp(test_name, name)) 139 continue; 140 ut_assertok(dm_do_test(uts, test)); 141 run_count++; 142 } 143 144 if (test_name && !run_count) 145 printf("Test '%s' not found\n", test_name); 146 else 147 printf("Failures: %d\n", uts->fail_count); 148 149 gd->dm_root = NULL; 150 ut_assertok(dm_init(false)); 151 dm_scan_platdata(false); 152 dm_scan_fdt(gd->fdt_blob, false); 153 154 return uts->fail_count ? CMD_RET_FAILURE : 0; 155 } 156 157 int do_ut_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 158 { 159 const char *test_name = NULL; 160 161 if (argc > 1) 162 test_name = argv[1]; 163 164 return dm_test_main(test_name); 165 } 166