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efi: libstub/tpm: enable tpm eventlog function for ARM platforms

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Wire up the existing code for ARM that loads the TPM event log into
OS accessible buffers while running the EFI stub so that the kernel
proper can access it at runtime.

Tested-by: Zou Cao <zoucao@linux.alibaba.com>
Signed-off-by: Xinwei Kong <kong.kongxinwei@hisilicon.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
This commit is contained in:
Xinwei Kong 2019-11-07 16:24:21 +08:00 • committed by Ard Biesheuvel
parent 0d95981438
commit d99c1ba6a7
1 changed files with 2 additions and 0 deletions
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2
drivers/firmware/efi/libstub/arm-stub.c
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@ -189,6 +189,8 @@ unsigned long efi_entry(void *handle, efi_system_table_t *sys_table,
goto fail_free_cmdline; goto fail_free_cmdline;
} }
efi_retrieve_tpm2_eventlog(sys_table);
/* Ask the firmware to clear memory on unclean shutdown */ /* Ask the firmware to clear memory on unclean shutdown */
efi_enable_reset_attack_mitigation(sys_table); efi_enable_reset_attack_mitigation(sys_table);