[v5,13/14] hw/arm/virt-acpi-build: Support cluster level in PPTT generation

Commit Message

Yanan Wang Dec. 28, 2021, 9:22 a.m. UTC

Support cluster level in generation of ACPI Processor Properties
Topology Table (PPTT) for ARM virt machines.

Signed-off-by: Yanan Wang <[e-mail]>
---
 hw/arm/virt-acpi-build.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

Patch

diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 3ce7680393..5f91969688 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -840,6 +840,21 @@  build_pptt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
             0, socket, NULL, 0);
     }
 
+    length = g_queue_get_length(list);
+    for (i = 0; i < length; i++) {
+        int cluster;
+
+        father_offset = GPOINTER_TO_UINT(g_queue_pop_head(list));
+        for (cluster = 0; cluster < ms->smp.clusters; cluster++) {
+            g_queue_push_tail(list,
+                GUINT_TO_POINTER(table_data->len - pptt_start));
+            build_processor_hierarchy_node(
+                table_data,
+                (0 << 0), /* not a physical package */
+                father_offset, cluster, NULL, 0);
+        }
+    }
+
     length = g_queue_get_length(list);
     for (i = 0; i < length; i++) {
         int core;