[PATCH] acpi: tpm: Do not build TCPA table for TPM 2

[Stefan Berger <stefanb@linux.vnet.ibm.com>]

From: Stefan Berger <stefanb@linux.ibm.com>

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 <stefanb@linux.ibm.com>
---
 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 2e15f6848e..b5669d6c65 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -2317,6 +2317,10 @@ 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,
@@ -2848,10 +2852,10 @@ 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);
         }
-- 
2.24.1