diff options
| author | Simon Glass <sjg@chromium.org> | 2022-08-30 21:05:36 -0600 |
|---|---|---|
| committer | Ilias Apalodimas <ilias.apalodimas@linaro.org> | 2022-09-03 16:59:05 +0300 |
| commit | 3bb4db4c3883c66ee0bbf152e9ba1d2504fa8c9f (patch) | |
| tree | b94da976937e8039287e79b395ca9068f9f9e34f /test | |
| parent | 6694c997b210656fc3e6ce63ba780bc9bf97c077 (diff) | |
tpm: Allow reporting the internal state
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>
Diffstat (limited to 'test')
| -rw-r--r-- | test/dm/Makefile | 1 | ||||
| -rw-r--r-- | test/dm/tpm.c | 34 |
2 files changed, 35 insertions, 0 deletions
diff --git a/test/dm/Makefile b/test/dm/Makefile index 52fe178a828..7543df8823c 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -107,6 +107,7 @@ obj-$(CONFIG_SYSINFO_GPIO) += sysinfo-gpio.o obj-$(CONFIG_UT_DM) += tag.o obj-$(CONFIG_TEE) += tee.o obj-$(CONFIG_TIMER) += timer.o +obj-$(CONFIG_TPM_V2) += tpm.o obj-$(CONFIG_DM_USB) += usb.o obj-$(CONFIG_DM_VIDEO) += video.o ifeq ($(CONFIG_VIRTIO_SANDBOX),y) diff --git a/test/dm/tpm.c b/test/dm/tpm.c new file mode 100644 index 00000000000..0b46f799591 --- /dev/null +++ b/test/dm/tpm.c @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2022 Google LLC + * Written by Simon Glass <sjg@chromium.org> + */ + +#include <common.h> +#include <dm.h> +#include <tpm_api.h> +#include <dm/test.h> +#include <test/test.h> +#include <test/ut.h> + +/* Basic test of the TPM uclass */ +static int dm_test_tpm(struct unit_test_state *uts) +{ + struct udevice *dev; + char buf[50]; + + /* check probe success */ + ut_assertok(uclass_first_device_err(UCLASS_TPM, &dev)); + ut_assert(tpm_is_v2(dev)); + + ut_assert(tpm_report_state(dev, buf, sizeof(buf))); + ut_asserteq_str("init_done=0", buf); + + ut_assertok(tpm_init(dev)); + + ut_assert(tpm_report_state(dev, buf, sizeof(buf))); + ut_asserteq_str("init_done=1", buf); + + return 0; +} +DM_TEST(dm_test_tpm, UT_TESTF_SCAN_FDT); |