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-rw-r--r--hw/ppc/spapr.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index d49f322..2fb5e36 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1562,6 +1562,24 @@ static void ppc_spapr_init(MachineState *machine)
memory_region_add_subregion(sysmem, 0, rma_region);
}
+ /* initialize hotplug memory address space */
+ if (machine->ram_size < machine->maxram_size) {
+ ram_addr_t hotplug_mem_size = machine->maxram_size - machine->ram_size;
+
+ if (machine->ram_slots > SPAPR_MAX_RAM_SLOTS) {
+ error_report("unsupported amount of memory slots: %"PRIu64,
+ machine->ram_slots);
+ exit(EXIT_FAILURE);
+ }
+
+ spapr->hotplug_memory.base = ROUND_UP(machine->ram_size,
+ SPAPR_HOTPLUG_MEM_ALIGN);
+ memory_region_init(&spapr->hotplug_memory.mr, OBJECT(spapr),
+ "hotplug-memory", hotplug_mem_size);
+ memory_region_add_subregion(sysmem, spapr->hotplug_memory.base,
+ &spapr->hotplug_memory.mr);
+ }
+
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin");
if (!filename) {
error_report("Could not find LPAR rtas '%s'", "spapr-rtas.bin");