[PATCH V2] EFI/stub: tpm: enable tpm eventlog function for ARM64 platform

From: Xinwei Kong
Date: Thu Nov 07 2019 - 03:24:00 EST


this patch gets tpm eventlog information such as device boot status,event guid
and so on, which will be from bios stage. it use "efi_retrieve_tpm2_eventlog"
functions to get it for ARM64 platorm.

Tested-by: Zou Cao <zoucao@xxxxxxxxxxxxxxxxx>
Signed-off-by: Xinwei Kong <kong.kongxinwei@xxxxxxxxxxxxx>
---
drivers/firmware/efi/libstub/arm-stub.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/firmware/efi/libstub/arm-stub.c b/drivers/firmware/efi/libstub/arm-stub.c
index c382a48..817237c 100644
--- a/drivers/firmware/efi/libstub/arm-stub.c
+++ b/drivers/firmware/efi/libstub/arm-stub.c
@@ -189,6 +189,8 @@ unsigned long efi_entry(void *handle, efi_system_table_t *sys_table,
goto fail_free_cmdline;
}

+ efi_retrieve_tpm2_eventlog(sys_table);
+
/* Ask the firmware to clear memory on unclean shutdown */
efi_enable_reset_attack_mitigation(sys_table);

--
2.7.4