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-rw-r--r--hw/acpi/aml-build.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index c6f2032..be496c8 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -24,6 +24,7 @@
#include "hw/acpi/aml-build.h"
#include "qemu/bswap.h"
#include "qemu/bitops.h"
+#include "sysemu/numa.h"
static GArray *build_alloc_array(void)
{
@@ -1609,3 +1610,28 @@ void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base,
numamem->base_addr = cpu_to_le64(base);
numamem->range_length = cpu_to_le64(len);
}
+
+/*
+ * ACPI spec 5.2.17 System Locality Distance Information Table
+ * (Revision 2.0 or later)
+ */
+void build_slit(GArray *table_data, BIOSLinker *linker)
+{
+ int slit_start, i, j;
+ slit_start = table_data->len;
+
+ acpi_data_push(table_data, sizeof(AcpiTableHeader));
+
+ build_append_int_noprefix(table_data, nb_numa_nodes, 8);
+ for (i = 0; i < nb_numa_nodes; i++) {
+ for (j = 0; j < nb_numa_nodes; j++) {
+ assert(numa_info[i].distance[j]);
+ build_append_int_noprefix(table_data, numa_info[i].distance[j], 1);
+ }
+ }
+
+ build_header(linker, table_data,
+ (void *)(table_data->data + slit_start),
+ "SLIT",
+ table_data->len - slit_start, 1, NULL, NULL);
+}