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| author | Eric Auger <eric.auger@redhat.com> | 2020-06-01 11:57:34 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2020-06-09 12:46:45 -0400 |
| commit | 04b778610af51987309055440b1ff16b50db5646 (patch) | |
| tree | 4e90d1681c7441863af8d6791e2aedcd434e70a2 /hw/i386 | |
| parent | 7e7c1b84ca11c36a4269baa6538a47dbdf2ee758 (diff) | |
| download | qemu-04b778610af51987309055440b1ff16b50db5646.zip qemu-04b778610af51987309055440b1ff16b50db5646.tar.gz qemu-04b778610af51987309055440b1ff16b50db5646.tar.bz2 | |
acpi: Convert build_tpm2() to build_append* API
In preparation of its move to the generic acpi code,
let's convert build_tpm2() to use build_append API. This
latter now is prefered in place of direct ACPI struct field
settings with manual endianness conversion.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20200601095737.32671-2-eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386')
| -rw-r--r-- | hw/i386/acpi-build.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index d05d010..8d93a2d 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -2197,30 +2197,40 @@ build_tpm_tcpa(GArray *table_data, BIOSLinker *linker, GArray *tcpalog) static void build_tpm2(GArray *table_data, BIOSLinker *linker, GArray *tcpalog) { - Acpi20TPM2 *tpm2_ptr = acpi_data_push(table_data, sizeof *tpm2_ptr); + Acpi20TPM2 *tpm2_ptr = acpi_data_push(table_data, sizeof(AcpiTableHeader)); unsigned log_addr_size = sizeof(tpm2_ptr->log_area_start_address); unsigned log_addr_offset = (char *)&tpm2_ptr->log_area_start_address - table_data->data; + uint8_t start_method_params[12] = {}; - tpm2_ptr->platform_class = cpu_to_le16(TPM2_ACPI_CLASS_CLIENT); + /* platform class */ + build_append_int_noprefix(table_data, TPM2_ACPI_CLASS_CLIENT, 2); + /* reserved */ + build_append_int_noprefix(table_data, 0, 2); if (TPM_IS_TIS_ISA(tpm_find())) { - tpm2_ptr->control_area_address = cpu_to_le64(0); - tpm2_ptr->start_method = cpu_to_le32(TPM2_START_METHOD_MMIO); + /* address of control area */ + build_append_int_noprefix(table_data, 0, 8); + /* start method */ + build_append_int_noprefix(table_data, TPM2_START_METHOD_MMIO, 4); } else if (TPM_IS_CRB(tpm_find())) { - tpm2_ptr->control_area_address = cpu_to_le64(TPM_CRB_ADDR_CTRL); - tpm2_ptr->start_method = cpu_to_le32(TPM2_START_METHOD_CRB); + build_append_int_noprefix(table_data, TPM_CRB_ADDR_CTRL, 8); + build_append_int_noprefix(table_data, TPM2_START_METHOD_CRB, 4); } else { g_warn_if_reached(); } - tpm2_ptr->log_area_minimum_length = - cpu_to_le32(TPM_LOG_AREA_MINIMUM_SIZE); + /* platform specific parameters */ + g_array_append_vals(table_data, &start_method_params, 12); - acpi_data_push(tcpalog, le32_to_cpu(tpm2_ptr->log_area_minimum_length)); + /* log area minimum length */ + build_append_int_noprefix(table_data, TPM_LOG_AREA_MINIMUM_SIZE, 4); + + acpi_data_push(tcpalog, TPM_LOG_AREA_MINIMUM_SIZE); bios_linker_loader_alloc(linker, ACPI_BUILD_TPMLOG_FILE, tcpalog, 1, false); /* log area start address to be filled by Guest linker */ + build_append_int_noprefix(table_data, 0, 8); bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, log_addr_offset, log_addr_size, ACPI_BUILD_TPMLOG_FILE, 0); |