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hw/acpi/aml-build: Support cluster level in PPTT generation

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Support CPU cluster topology level in generation of ACPI
Processor Properties Topology Table (PPTT).

Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20220107083232.16256-6-wangyanan55@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Yanan Wang 2022-01-07 16:32:31 +08:00 committed by Peter Maydell
parent 291f6dd566
commit 88d0278aa7
1 changed files with 18 additions and 0 deletions
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18
hw/acpi/aml-build.c
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@ -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;