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