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_test_main(const char *test_name) 76 { 77 struct unit_test *tests = ll_entry_start(struct unit_test, dm_test); 78 const int n_ents = ll_entry_count(struct unit_test, dm_test); 79 struct unit_test_state *uts = &global_dm_test_state; 80 struct sandbox_state *state = state_get_current(); 81 uts->priv = &_global_priv_dm_test_state; 82 struct unit_test *test; 83 int run_count; 84 85 uts->fail_count = 0; 86 87 /* 88 * If we have no device tree, or it only has a root node, then these 89 * tests clearly aren't going to work... 90 */ 91 if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) { 92 puts("Please run with test device tree:\n" 93 " ./u-boot -d arch/sandbox/dts/test.dtb\n"); 94 ut_assert(gd->fdt_blob); 95 } 96 97 if (!test_name) 98 printf("Running %d driver model tests\n", n_ents); 99 100 run_count = 0; 101 for (test = tests; test < tests + n_ents; test++) { 102 const char *name = test->name; 103 104 /* All tests have this prefix */ 105 if (!strncmp(name, "dm_test_", 8)) 106 name += 8; 107 if (test_name && strcmp(test_name, name)) 108 continue; 109 printf("Test: %s\n", test->name); 110 run_count++; 111 ut_assertok(dm_test_init(uts)); 112 113 uts->start = mallinfo(); 114 if (test->flags & DM_TESTF_SCAN_PDATA) 115 ut_assertok(dm_scan_platdata(false)); 116 if (test->flags & DM_TESTF_PROBE_TEST) 117 ut_assertok(do_autoprobe(uts)); 118 if (test->flags & DM_TESTF_SCAN_FDT) 119 ut_assertok(dm_scan_fdt(gd->fdt_blob, false)); 120 121 /* 122 * Silence the console and rely on console reocrding to get 123 * our output. 124 */ 125 console_record_reset(); 126 if (!state->show_test_output) 127 gd->flags |= GD_FLG_SILENT; 128 test->func(uts); 129 gd->flags &= ~GD_FLG_SILENT; 130 state_set_skip_delays(false); 131 132 ut_assertok(dm_test_destroy(uts)); 133 } 134 135 if (test_name && !run_count) 136 printf("Test '%s' not found\n", test_name); 137 else 138 printf("Failures: %d\n", uts->fail_count); 139 140 gd->dm_root = NULL; 141 ut_assertok(dm_init(false)); 142 dm_scan_platdata(false); 143 dm_scan_fdt(gd->fdt_blob, false); 144 145 return uts->fail_count ? CMD_RET_FAILURE : 0; 146 } 147 148 int do_ut_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 149 { 150 const char *test_name = NULL; 151 152 if (argc > 1) 153 test_name = argv[1]; 154 155 return dm_test_main(test_name); 156 } 157