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3bb4db4c38
It is useful to read information about the current TPM state, where supported, e.g. for debugging purposes when verified boot fails. Add support for this to the TPM interface as well as Cr50. Add a simple sandbox test. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
34 lines
750 B
C
34 lines
750 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2022 Google LLC
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#include <common.h>
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#include <dm.h>
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#include <tpm_api.h>
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#include <dm/test.h>
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#include <test/test.h>
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#include <test/ut.h>
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/* Basic test of the TPM uclass */
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static int dm_test_tpm(struct unit_test_state *uts)
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{
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struct udevice *dev;
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char buf[50];
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/* check probe success */
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ut_assertok(uclass_first_device_err(UCLASS_TPM, &dev));
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ut_assert(tpm_is_v2(dev));
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ut_assert(tpm_report_state(dev, buf, sizeof(buf)));
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ut_asserteq_str("init_done=0", buf);
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ut_assertok(tpm_init(dev));
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ut_assert(tpm_report_state(dev, buf, sizeof(buf)));
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ut_asserteq_str("init_done=1", buf);
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return 0;
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}
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DM_TEST(dm_test_tpm, UT_TESTF_SCAN_FDT);
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