GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/test/dm/test-main.c

@@ -0,0 +1,211 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2013 Google, Inc
+ */
+
+#include <common.h>
+#include <command.h>
+#include <console.h>
+#include <dm.h>
+#include <errno.h>
+#include <malloc.h>
+#include <asm/state.h>
+#include <dm/test.h>
+#include <dm/root.h>
+#include <dm/uclass-internal.h>
+#include <test/ut.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct unit_test_state global_dm_test_state;
+static struct dm_test_state _global_priv_dm_test_state;
+
+/* Get ready for testing */
+static int dm_test_init(struct unit_test_state *uts, bool of_live)
+{
+	struct dm_test_state *dms = uts->priv;
+
+	memset(dms, '\0', sizeof(*dms));
+	gd->dm_root = NULL;
+	memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count));
+	state_reset_for_test(state_get_current());
+
+#ifdef CONFIG_OF_LIVE
+	/* Determine whether to make the live tree available */
+	gd->of_root = of_live ? uts->of_root : NULL;
+#endif
+	ut_assertok(dm_init(of_live));
+	dms->root = dm_root();
+
+	return 0;
+}
+
+/* Ensure all the test devices are probed */
+static int do_autoprobe(struct unit_test_state *uts)
+{
+	struct udevice *dev;
+	int ret;
+
+	/* Scanning the uclass is enough to probe all the devices */
+	for (ret = uclass_first_device(UCLASS_TEST, &dev);
+	     dev;
+	     ret = uclass_next_device(&dev))
+		;
+
+	return ret;
+}
+
+static int dm_test_destroy(struct unit_test_state *uts)
+{
+	int id;
+
+	for (id = 0; id < UCLASS_COUNT; id++) {
+		struct uclass *uc;
+
+		/*
+		 * If the uclass doesn't exist we don't want to create it. So
+		 * check that here before we call uclass_find_device().
+		 */
+		uc = uclass_find(id);
+		if (!uc)
+			continue;
+		ut_assertok(uclass_destroy(uc));
+	}
+
+	return 0;
+}
+
+static int dm_do_test(struct unit_test_state *uts, struct unit_test *test,
+		      bool of_live)
+{
+	struct sandbox_state *state = state_get_current();
+	const char *fname = strrchr(test->file, '/') + 1;
+
+	printf("Test: %s: %s%s\n", test->name, fname,
+	       !of_live ? " (flat tree)" : "");
+	ut_assertok(dm_test_init(uts, of_live));
+
+	uts->start = mallinfo();
+	if (test->flags & DM_TESTF_SCAN_PDATA)
+		ut_assertok(dm_scan_platdata(false));
+	if (test->flags & DM_TESTF_PROBE_TEST)
+		ut_assertok(do_autoprobe(uts));
+	if (test->flags & DM_TESTF_SCAN_FDT)
+		ut_assertok(dm_extended_scan_fdt(gd->fdt_blob, false));
+
+	/*
+	 * Silence the console and rely on console recording to get
+	 * our output.
+	 */
+	console_record_reset();
+	if (!state->show_test_output)
+		gd->flags |= GD_FLG_SILENT;
+	test->func(uts);
+	gd->flags &= ~GD_FLG_SILENT;
+	state_set_skip_delays(false);
+
+	ut_assertok(dm_test_destroy(uts));
+
+	return 0;
+}
+
+/**
+ * dm_test_run_on_flattree() - Check if we should run a test with flat DT
+ *
+ * This skips long/slow tests where there is not much value in running a flat
+ * DT test in addition to a live DT test.
+ *
+ * @return true to run the given test on the flat device tree
+ */
+static bool dm_test_run_on_flattree(struct unit_test *test)
+{
+	const char *fname = strrchr(test->file, '/') + 1;
+
+	return !strstr(fname, "video") || strstr(test->name, "video_base");
+}
+
+static int dm_test_main(const char *test_name)
+{
+	struct unit_test *tests = ll_entry_start(struct unit_test, dm_test);
+	const int n_ents = ll_entry_count(struct unit_test, dm_test);
+	struct unit_test_state *uts = &global_dm_test_state;
+	struct unit_test *test;
+	int found;
+
+	uts->priv = &_global_priv_dm_test_state;
+	uts->fail_count = 0;
+
+	/*
+	 * If we have no device tree, or it only has a root node, then these
+	 * tests clearly aren't going to work...
+	 */
+	if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) {
+		puts("Please run with test device tree:\n"
+		     "    ./u-boot -d arch/sandbox/dts/test.dtb\n");
+		ut_assert(gd->fdt_blob);
+	}
+
+	if (!test_name)
+		printf("Running %d driver model tests\n", n_ents);
+
+	found = 0;
+#ifdef CONFIG_OF_LIVE
+	uts->of_root = gd->of_root;
+#endif
+	for (test = tests; test < tests + n_ents; test++) {
+		const char *name = test->name;
+		int runs;
+
+		/* All tests have this prefix */
+		if (!strncmp(name, "dm_test_", 8))
+			name += 8;
+		if (test_name && strcmp(test_name, name))
+			continue;
+
+		/* Run with the live tree if possible */
+		runs = 0;
+		if (IS_ENABLED(CONFIG_OF_LIVE)) {
+			if (!(test->flags & DM_TESTF_FLAT_TREE)) {
+				ut_assertok(dm_do_test(uts, test, true));
+				runs++;
+			}
+		}
+
+		/*
+		 * Run with the flat tree if we couldn't run it with live tree,
+		 * or it is a core test.
+		 */
+		if (!(test->flags & DM_TESTF_LIVE_TREE) &&
+		    (!runs || dm_test_run_on_flattree(test))) {
+			ut_assertok(dm_do_test(uts, test, false));
+			runs++;
+		}
+		found++;
+	}
+
+	if (test_name && !found)
+		printf("Test '%s' not found\n", test_name);
+	else
+		printf("Failures: %d\n", uts->fail_count);
+
+	/* Put everything back to normal so that sandbox works as expected */
+#ifdef CONFIG_OF_LIVE
+	gd->of_root = uts->of_root;
+#endif
+	gd->dm_root = NULL;
+	ut_assertok(dm_init(IS_ENABLED(CONFIG_OF_LIVE)));
+	dm_scan_platdata(false);
+	dm_scan_fdt(gd->fdt_blob, false);
+
+	return uts->fail_count ? CMD_RET_FAILURE : 0;
+}
+
+int do_ut_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	const char *test_name = NULL;
+
+	if (argc > 1)
+		test_name = argv[1];
+
+	return dm_test_main(test_name);
+}