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Diffstat (limited to 'hw/i386/acpi-build.c')
-rw-r--r--hw/i386/acpi-build.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index d60603abd7..9ecc96dcc7 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -298,7 +298,7 @@ static void acpi_align_size(GArray *blob, unsigned align)
 
 /* FACS */
 static void
-build_facs(GArray *table_data, BIOSLinker *linker)
+build_facs(GArray *table_data)
 {
     AcpiFacsDescriptorRev1 *facs = acpi_data_push(table_data, sizeof *facs);
     memcpy(&facs->signature, "FACS", 4);
@@ -2141,8 +2141,16 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
             build_append_pci_bus_devices(scope, bus, pm->pcihp_bridge_en);
 
             if (TPM_IS_TIS(tpm)) {
-                dev = aml_device("ISA.TPM");
-                aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C31")));
+                if (misc->tpm_version == TPM_VERSION_2_0) {
+                    dev = aml_device("TPM");
+                    aml_append(dev, aml_name_decl("_HID",
+                                                  aml_string("MSFT0101")));
+                } else {
+                    dev = aml_device("ISA.TPM");
+                    aml_append(dev, aml_name_decl("_HID",
+                                                  aml_eisaid("PNP0C31")));
+                }
+
                 aml_append(dev, aml_name_decl("_STA", aml_int(0xF)));
                 crs = aml_resource_template();
                 aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE,
@@ -2629,7 +2637,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
      * requirements.
      */
     facs = tables_blob->len;
-    build_facs(tables_blob, tables->linker);
+    build_facs(tables_blob);
 
     /* DSDT is pointed to by FADT */
     dsdt = tables_blob->len;