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// 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 run_count;
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);
run_count = 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++;
}
run_count += runs;
}
if (test_name && !run_count)
printf("Test '%s' not found\n", test_name);
else
printf("Failures: %d\n", uts->fail_count);
gd->dm_root = NULL;
ut_assertok(dm_init(false));
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);
}
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