From 7e7c1b84ca11c36a4269baa6538a47dbdf2ee758 Mon Sep 17 00:00:00 2001 From: Stefan Berger Date: Fri, 29 May 2020 15:28:40 -0400 Subject: [PATCH] acpi: tpm: Do not build TCPA table for TPM 2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Do not build a TCPA table for TPM 2 anymore but create the log area when building the TPM2 table. The TCPA table is only needed for TPM 1.2. Signed-off-by: Stefan Berger Reviewed-by: Marc-André Lureau Reviewed-by: Eric Auger Reviewed-by: Igor Mammedov Signed-off-by: Michael S. Tsirkin Reviewed-by: Michael S. Tsirkin --- hw/i386/acpi-build.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 58fe505fb6..d05d010f77 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -2216,6 +2216,10 @@ build_tpm2(GArray *table_data, BIOSLinker *linker, GArray *tcpalog) tpm2_ptr->log_area_minimum_length = cpu_to_le32(TPM_LOG_AREA_MINIMUM_SIZE); + acpi_data_push(tcpalog, le32_to_cpu(tpm2_ptr->log_area_minimum_length)); + bios_linker_loader_alloc(linker, ACPI_BUILD_TPMLOG_FILE, tcpalog, 1, + false); + /* log area start address to be filled by Guest linker */ bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, log_addr_offset, log_addr_size, @@ -2752,10 +2756,10 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) build_hpet(tables_blob, tables->linker); } if (misc.tpm_version != TPM_VERSION_UNSPEC) { - acpi_add_table(table_offsets, tables_blob); - build_tpm_tcpa(tables_blob, tables->linker, tables->tcpalog); - - if (misc.tpm_version == TPM_VERSION_2_0) { + if (misc.tpm_version == TPM_VERSION_1_2) { + acpi_add_table(table_offsets, tables_blob); + build_tpm_tcpa(tables_blob, tables->linker, tables->tcpalog); + } else { /* TPM_VERSION_2_0 */ acpi_add_table(table_offsets, tables_blob); build_tpm2(tables_blob, tables->linker, tables->tcpalog); }