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[PATCH v9 7/8] hw/arm/virt-acpi-build: Generate PPTT table


From: Yanan Wang
Subject: [PATCH v9 7/8] hw/arm/virt-acpi-build: Generate PPTT table
Date: Wed, 20 Oct 2021 22:21:24 +0800

Generate the Processor Properties Topology Table (PPTT) for ARM
virt machines supporting it (>= 6.2).

Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
---
 hw/arm/virt-acpi-build.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 6cec97352b..658a0a5d39 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -875,13 +875,19 @@ void virt_acpi_build(VirtMachineState *vms, 
AcpiBuildTables *tables)
     dsdt = tables_blob->len;
     build_dsdt(tables_blob, tables->linker, vms);
 
-    /* FADT MADT GTDT MCFG SPCR pointed to by RSDT */
+    /* FADT MADT PPTT GTDT MCFG SPCR pointed to by RSDT */
     acpi_add_table(table_offsets, tables_blob);
     build_fadt_rev5(tables_blob, tables->linker, vms, dsdt);
 
     acpi_add_table(table_offsets, tables_blob);
     build_madt(tables_blob, tables->linker, vms);
 
+    if (!vmc->no_cpu_topology) {
+        acpi_add_table(table_offsets, tables_blob);
+        build_pptt(tables_blob, tables->linker, ms,
+                   vms->oem_id, vms->oem_table_id);
+    }
+
     acpi_add_table(table_offsets, tables_blob);
     build_gtdt(tables_blob, tables->linker, vms);
 
-- 
2.19.1




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