pc: cleanup and convert TMP ACPI device description to AML API

remove some code duplication in acpi-build.c and drop 5
ASL and binary blobs files with TPM ACPI device description,
replacing them with 1 small hunk written in AML API.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

hw/i386/Makefile.objs

@@ -8,8 +8,7 @@ obj-$(CONFIG_XEN) += ../xenpv/ xen/
 obj-y += kvmvapic.o
 obj-y += acpi-build.o
 hw/i386/acpi-build.o: hw/i386/acpi-build.c \
-	hw/i386/acpi-dsdt.hex hw/i386/q35-acpi-dsdt.hex \
+	hw/i386/acpi-dsdt.hex hw/i386/q35-acpi-dsdt.hex
-	hw/i386/ssdt-tpm.hex hw/i386/ssdt-tpm2.hex
 
 iasl-option=$(shell if test -z "`$(1) $(2) 2>&1 > /dev/null`" \
     ; then echo "$(2)"; else echo "$(3)"; fi ;)

hw/i386/acpi-build.c

@@ -433,9 +433,6 @@ build_madt(GArray *table_data, GArray *linker, AcpiCpuInfo *cpu,
                  table_data->len - madt_start, 1);
 }
 
-#include "hw/i386/ssdt-tpm.hex"
-#include "hw/i386/ssdt-tpm2.hex"
-
 /* Assign BSEL property to all buses.  In the future, this can be changed
  * to only assign to buses that support hotplug.
  */
@@ -1328,6 +1325,19 @@ build_ssdt(GArray *table_data, GArray *linker,
                 Aml *scope = aml_scope("PCI0");
                 /* Scan all PCI buses. Generate tables to support hotplug. */
                 build_append_pci_bus_devices(scope, bus, pm->pcihp_bridge_en);
+
+                if (misc->tpm_version != TPM_VERSION_UNSPEC) {
+                    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,
+                               TPM_TIS_ADDR_SIZE, AML_READ_WRITE));
+                    aml_append(crs, aml_irq_no_flags(TPM_TIS_IRQ));
+                    aml_append(dev, aml_name_decl("_CRS", crs));
+                    aml_append(scope, dev);
+                }
+
                 aml_append(sb_scope, scope);
             }
         }
@@ -1382,23 +1392,10 @@ build_tpm_tcpa(GArray *table_data, GArray *linker, GArray *tcpalog)
     acpi_data_push(tcpalog, TPM_LOG_AREA_MINIMUM_SIZE);
 }
 
-static void
-build_tpm_ssdt(GArray *table_data, GArray *linker)
-{
-    void *tpm_ptr;
-
-    tpm_ptr = acpi_data_push(table_data, sizeof(ssdt_tpm_aml));
-    memcpy(tpm_ptr, ssdt_tpm_aml, sizeof(ssdt_tpm_aml));
-}
-
 static void
 build_tpm2(GArray *table_data, GArray *linker)
 {
     Acpi20TPM2 *tpm2_ptr;
-    void *tpm_ptr;
-
-    tpm_ptr = acpi_data_push(table_data, sizeof(ssdt_tpm2_aml));
-    memcpy(tpm_ptr, ssdt_tpm2_aml, sizeof(ssdt_tpm2_aml));
 
     tpm2_ptr = acpi_data_push(table_data, sizeof *tpm2_ptr);
 
@@ -1726,16 +1723,9 @@ void acpi_build(PcGuestInfo *guest_info, AcpiBuildTables *tables)
         acpi_add_table(table_offsets, tables_blob);
         build_tpm_tcpa(tables_blob, tables->linker, tables->tcpalog);
 
-        acpi_add_table(table_offsets, tables_blob);
+        if (misc.tpm_version == TPM_VERSION_2_0) {
-        switch (misc.tpm_version) {
+            acpi_add_table(table_offsets, tables_blob);
-        case TPM_VERSION_1_2:
-            build_tpm_ssdt(tables_blob, tables->linker);
-            break;
-        case TPM_VERSION_2_0:
             build_tpm2(tables_blob, tables->linker);
-            break;
-        default:
-            assert(false);
         }
     }
     if (guest_info->numa_nodes) {

hw/i386/ssdt-tpm-common.dsl

@@ -1,36 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
-
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-/*
- * Common parts for TPM 1.2 and TPM 2 (with slight differences for PPI)
- * to be #included
- */
-
-
-    External(\_SB.PCI0.ISA, DeviceObj)
-    Scope(\_SB.PCI0.ISA) {
-        /* TPM with emulated TPM TIS interface */
-        Device (TPM) {
-            Name (_HID, EisaID ("PNP0C31"))
-            Name (_CRS, ResourceTemplate ()
-            {
-                Memory32Fixed (ReadWrite, TPM_TIS_ADDR_BASE, TPM_TIS_ADDR_SIZE)
-                IRQNoFlags () {TPM_TIS_IRQ}
-            })
-            Method (_STA, 0, NotSerialized) {
-                Return (0x0F)
-            }
-        }
-    }

hw/i386/ssdt-tpm.dsl

@@ -1,29 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
-
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-#include "hw/acpi/tpm.h"
-
-ACPI_EXTRACT_ALL_CODE ssdt_tpm_aml
-
-DefinitionBlock (
-    "ssdt-tpm.aml",     // Output Filename
-    "SSDT",             // Signature
-    0x01,               // SSDT Compliance Revision
-    "BXPC",             // OEMID
-    "BXSSDT",           // TABLE ID
-    0x1                 // OEM Revision
-    )
-{
-#include "ssdt-tpm-common.dsl"
-}

hw/i386/ssdt-tpm.hex.generated

@@ -1,109 +0,0 @@
-static unsigned char ssdt_tpm_aml[] = {
-0x53,
-0x53,
-0x44,
-0x54,
-0x6b,
-0x0,
-0x0,
-0x0,
-0x1,
-0x37,
-0x42,
-0x58,
-0x50,
-0x43,
-0x0,
-0x0,
-0x42,
-0x58,
-0x53,
-0x53,
-0x44,
-0x54,
-0x0,
-0x0,
-0x1,
-0x0,
-0x0,
-0x0,
-0x49,
-0x4e,
-0x54,
-0x4c,
-0x7,
-0x11,
-0x14,
-0x20,
-0x10,
-0x46,
-0x4,
-0x5c,
-0x2f,
-0x3,
-0x5f,
-0x53,
-0x42,
-0x5f,
-0x50,
-0x43,
-0x49,
-0x30,
-0x49,
-0x53,
-0x41,
-0x5f,
-0x5b,
-0x82,
-0x33,
-0x54,
-0x50,
-0x4d,
-0x5f,
-0x8,
-0x5f,
-0x48,
-0x49,
-0x44,
-0xc,
-0x41,
-0xd0,
-0xc,
-0x31,
-0x8,
-0x5f,
-0x43,
-0x52,
-0x53,
-0x11,
-0x14,
-0xa,
-0x11,
-0x86,
-0x9,
-0x0,
-0x1,
-0x0,
-0x0,
-0xd4,
-0xfe,
-0x0,
-0x50,
-0x0,
-0x0,
-0x22,
-0x20,
-0x0,
-0x79,
-0x0,
-0x14,
-0x9,
-0x5f,
-0x53,
-0x54,
-0x41,
-0x0,
-0xa4,
-0xa,
-0xf
-};

hw/i386/ssdt-tpm2.dsl

@@ -1,29 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
-
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-#include "hw/acpi/tpm.h"
-
-ACPI_EXTRACT_ALL_CODE ssdt_tpm2_aml
-
-DefinitionBlock (
-    "ssdt-tpm2.aml",    // Output Filename
-    "SSDT",             // Signature
-    0x01,               // SSDT Compliance Revision
-    "BXPC",             // OEMID
-    "BXSSDT",           // TABLE ID
-    0x1                 // OEM Revision
-    )
-{
-#include "ssdt-tpm-common.dsl"
-}

hw/i386/ssdt-tpm2.hex.generated

@@ -1,109 +0,0 @@
-static unsigned char ssdt_tpm2_aml[] = {
-0x53,
-0x53,
-0x44,
-0x54,
-0x6b,
-0x0,
-0x0,
-0x0,
-0x1,
-0x37,
-0x42,
-0x58,
-0x50,
-0x43,
-0x0,
-0x0,
-0x42,
-0x58,
-0x53,
-0x53,
-0x44,
-0x54,
-0x0,
-0x0,
-0x1,
-0x0,
-0x0,
-0x0,
-0x49,
-0x4e,
-0x54,
-0x4c,
-0x7,
-0x11,
-0x14,
-0x20,
-0x10,
-0x46,
-0x4,
-0x5c,
-0x2f,
-0x3,
-0x5f,
-0x53,
-0x42,
-0x5f,
-0x50,
-0x43,
-0x49,
-0x30,
-0x49,
-0x53,
-0x41,
-0x5f,
-0x5b,
-0x82,
-0x33,
-0x54,
-0x50,
-0x4d,
-0x5f,
-0x8,
-0x5f,
-0x48,
-0x49,
-0x44,
-0xc,
-0x41,
-0xd0,
-0xc,
-0x31,
-0x8,
-0x5f,
-0x43,
-0x52,
-0x53,
-0x11,
-0x14,
-0xa,
-0x11,
-0x86,
-0x9,
-0x0,
-0x1,
-0x0,
-0x0,
-0xd4,
-0xfe,
-0x0,
-0x50,
-0x0,
-0x0,
-0x22,
-0x20,
-0x0,
-0x79,
-0x0,
-0x14,
-0x9,
-0x5f,
-0x53,
-0x54,
-0x41,
-0x0,
-0xa4,
-0xa,
-0xf
-};