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