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| author | Stefan Berger <stefanb@linux.vnet.ibm.com> | 2017-11-14 15:03:47 -0500 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2017-11-15 13:17:20 -0500 |
| commit | df46d10c8a7b88eb82f3ceb2aa31782dee15593d (patch) | |
| tree | 910969b38c4bb88ff901c230baa4924c043e5f62 /src/std | |
| parent | 0541f2f0f246e77d7c726926976920e8072d1119 (diff) | |
| download | seabios-df46d10c8a7b88eb82f3ceb2aa31782dee15593d.tar.gz | |
tpm: Add support for TPM2 ACPI table
Add support for the TPM2 ACPI table. If we find it and its
of the appropriate size, we can get the log_area_start_address
and log_area_minimum_size from it.
The latest version of the spec can be found here:
https://trustedcomputinggroup.org/tcg-acpi-specification/
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Diffstat (limited to 'src/std')
| -rw-r--r-- | src/std/acpi.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/std/acpi.h b/src/std/acpi.h index c2ea7075..c01fa7be 100644 --- a/src/std/acpi.h +++ b/src/std/acpi.h @@ -307,4 +307,17 @@ struct tcpa_descriptor_rev2 #define TCPA_ACPI_CLASS_CLIENT 0 #define TCPA_ACPI_CLASS_SERVER 1 +#define TPM2_SIGNATURE 0x324D5054 +struct tpm2_descriptor_rev2 +{ + ACPI_TABLE_HEADER_DEF + u16 platform_class; + u16 reserved; + u64 address_of_control_area; + u32 start_method; + u8 start_method_params[12]; + u32 log_area_minimum_length; + u64 log_area_start_address; +} PACKED; + #endif // acpi.h |