diff options
Diffstat (limited to 'hw/acpi/aml-build.c')
| -rw-r--r-- | hw/acpi/aml-build.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index c6f2032dec..be496c817c 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); +} |