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/* Copyright 2020 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <device.h>
#include <drivers/cros_bbram.h>
#include <logging/log.h>
#include <ztest.h>
#include "bbram.h"
#include "system.h"
LOG_MODULE_REGISTER(test);
#define BBRAM_OFF(name) DT_PROP(DT_PATH(named_bbram_regions, name), offset)
#define BBRAM_SIZE(name) DT_PROP(DT_PATH(named_bbram_regions, name), size)
static char mock_data[64] =
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@";
static int mock_bbram_read(const struct device *unused, int offset, int size,
uint8_t *data)
{
if (offset < 0 || offset + size >= ARRAY_SIZE(mock_data))
return -1;
memcpy(data, mock_data + offset, size);
return EC_SUCCESS;
}
static const struct cros_bbram_driver_api bbram_api = {
.ibbr = NULL,
.reset_ibbr = NULL,
.vsby = NULL,
.reset_vsby = NULL,
.vcc1 = NULL,
.reset_vcc1 = NULL,
.read = mock_bbram_read,
.write = NULL,
};
static const struct device bbram_dev_instance = {
.name = "TEST_BBRAM_DEV",
.config = NULL,
.api = &bbram_api,
.data = NULL,
};
const struct device *bbram_dev = &bbram_dev_instance;
static void test_bbram_get(void)
{
uint8_t output[10];
int rc;
rc = system_get_bbram(SYSTEM_BBRAM_IDX_PD0, output);
zassert_equal(rc, 0, NULL);
zassert_mem_equal(output, mock_data + BBRAM_OFF(pd0), BBRAM_SIZE(pd0),
NULL);
rc = system_get_bbram(SYSTEM_BBRAM_IDX_PD1, output);
zassert_equal(rc, 0, NULL);
zassert_mem_equal(output, mock_data + BBRAM_OFF(pd1), BBRAM_SIZE(pd1),
NULL);
rc = system_get_bbram(SYSTEM_BBRAM_IDX_PD2, output);
zassert_equal(rc, 0, NULL);
zassert_mem_equal(output, mock_data + BBRAM_OFF(pd2), BBRAM_SIZE(pd2),
NULL);
rc = system_get_bbram(SYSTEM_BBRAM_IDX_TRY_SLOT, output);
zassert_equal(rc, 0, NULL);
zassert_mem_equal(output, mock_data + BBRAM_OFF(try_slot),
BBRAM_SIZE(try_slot), NULL);
}
void test_main(void)
{
ztest_test_suite(system, ztest_unit_test(test_bbram_get));
ztest_run_test_suite(system);
}
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