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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 7 Nov 2019 16:24:21 +0800
From:   Xinwei Kong <kong.kongxinwei@...ilicon.com>
To:     <ard.biesheuvel@...aro.org>, <mingo@...nel.org>, <will@...nel.org>,
        <kstewart@...uxfoundation.org>, <tglx@...utronix.de>,
        <steve.capper@....com>, <linux-efi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <linuxarm@...wei.com>, <zoucao@...ux.alibaba.com>,
        <kong.kongxinwei@...ilicon.com>
Subject: [PATCH V2] EFI/stub: tpm: enable tpm eventlog function for ARM64 platform

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@...ux.alibaba.com>
Signed-off-by: Xinwei Kong <kong.kongxinwei@...ilicon.com>
---
 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