Support CPU cluster topology level in generation of ACPI
Processor Properties Topology Table (PPTT).
Signed-off-by: Yanan Wang <wangyana...@huawei.com>
Reviewed-by: Andrew Jones <drjo...@redhat.com>
---
hw/acpi/aml-build.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 6aaedca2e5..bb2cad63b5 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -2001,6 +2001,7 @@ static void build_processor_hierarchy_node(GArray *tbl,
uint32_t flags,
void build_pptt(GArray *table_data, BIOSLinker *linker, MachineState *ms,
const char *oem_id, const char *oem_table_id)
{
+ MachineClass *mc = MACHINE_GET_CLASS(ms);
GQueue *list = g_queue_new();
guint pptt_start = table_data->len;
guint parent_offset;
@@ -2025,6 +2026,23 @@ void build_pptt(GArray *table_data, BIOSLinker *linker,
MachineState *ms,
0, socket, NULL, 0);
}
+ if (mc->smp_props.clusters_supported) {
+ length = g_queue_get_length(list);
+ for (i = 0; i < length; i++) {
+ int cluster;
+
+ parent_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 */
+ parent_offset, cluster, NULL, 0);
+ }
+ }
+ }
+
length = g_queue_get_length(list);
for (i = 0; i < length; i++) {
int core;
--
2.27.0
