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This patch adds a TPM2 specific path in the vboot2 initialization
sequence when the device is turned on in the factory for the first
time, namely two secure NVRAM spaces are created, with different
access privileges.
The higher privilege space can be modified only be the RO firmware,
and the lower privilege space can be modified by both RO and RW
firmware.
The API is being modified to hide the TPM implementation details from
the caller.
Some functions previously exported as global are in fact not used
anywhere else, they are being defined static.
BRANCH=none
BUG=chrome-os-partner:50645
TEST=when this code is enabled the two secure spaces are successfully
created during factory initialization.
Original-Commit-Id: 5f082d6a9b095c3efc283b7a49eac9b4f2bcb6ec
Original-Change-Id: I917b2f74dfdbd214d7f651ce3d4b80f4a18def20
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/353916
Original-Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Original-Reviewed-by: Darren Krahn <dkrahn@chromium.org>
squashed:
mock tpm: drop unused functions
safe_write() and safe_define_space() functions are defined in
secdata_mock.c, but not used in mocked TPM mode.
The actual functions have been redefined as static recently and their
declarations were removed from src/include/antirollback.h, which now
causes compilation problems when CONFIG_VBOOT2_MOCK_SECDATA is
defined.
Dropping the functions from secdata_mock.c solves the problem.
BRANCH=none
BUG=none
TEST=compilation in mock secdata mode does not fail any more.
Original-Commit-Id: c6d7824f52534ecd3b02172cb9078f03e318cb2b
Original-Change-Id: Ia781ce99630d759469d2bded40952ed21830e611
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/356291
Original-Tested-by: Caesar Wang <wxt@rock-chips.com>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: Randall Spangler <rspangler@chromium.org>
Change-Id: Icb686c5f9129067eb4bb3ea10bbb85a075b29955
Signed-off-by: Martin Roth <martinroth@chromium.org>
Reviewed-on: https://review.coreboot.org/15571
Tested-by: build bot (Jenkins)
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@googlemail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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