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Move tpm_get_tpm_version() into grub_ieee1275_tpm_init() and invalidate grub_ieee1275_tpm_ihandle in case no TPM 2 could be detected. Try the initialization only once so that grub_tpm_present() will always return the same result. Use the grub_ieee1275_tpm_ihandle as indicator for an available TPM instead of grub_ieee1275_tpm_version, which can now be removed. Signed-off-by: Stefan Berger <stefanb@linux.ibm.com> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
31 lines
1010 B
C
31 lines
1010 B
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2024 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_IEEE1275_TPM_HEADER
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#define GRUB_IEEE1275_TPM_HEADER 1
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#include <grub/err.h>
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#include <grub/types.h>
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#include <grub/ieee1275/ieee1275.h>
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extern grub_ieee1275_ihandle_t grub_ieee1275_tpm_ihandle;
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extern grub_err_t grub_ieee1275_tpm_init (void);
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#endif
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