ppc/spapr: Fix 32 bit logical memory block size assumptions

When testing large LMB sizes (eg 4GB), I found a couple of places
that assume they are 32bit in size.

Signed-off-by: Anton Blanchard <anton@ozlabs.org>
Message-Id: <20200715004228.1262681-1-anton@ozlabs.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

hw/ppc/spapr.c

@@ -558,7 +558,8 @@ static int spapr_dt_dynamic_reconfiguration_memory(SpaprMachineState *spapr,
     int nb_numa_nodes = machine->numa_state->num_nodes;
     int ret, i, offset;
     uint64_t lmb_size = SPAPR_MEMORY_BLOCK_SIZE;
-    uint32_t prop_lmb_size[] = {0, cpu_to_be32(lmb_size)};
+    uint32_t prop_lmb_size[] = {cpu_to_be32(lmb_size >> 32),
+                                cpu_to_be32(lmb_size & 0xffffffff)};
     uint32_t *int_buf, *cur_index, buf_len;
     int nr_nodes = nb_numa_nodes ? nb_numa_nodes : 1;
     MemoryDeviceInfoList *dimms = NULL;
@@ -905,7 +906,8 @@ static void spapr_dt_rtas(SpaprMachineState *spapr, void *fdt)
     uint32_t lrdr_capacity[] = {
         cpu_to_be32(max_device_addr >> 32),
         cpu_to_be32(max_device_addr & 0xffffffff),
-        0, cpu_to_be32(SPAPR_MEMORY_BLOCK_SIZE),
+        cpu_to_be32(SPAPR_MEMORY_BLOCK_SIZE >> 32),
+        cpu_to_be32(SPAPR_MEMORY_BLOCK_SIZE & 0xffffffff),
         cpu_to_be32(ms->smp.max_cpus / ms->smp.threads),
     };
     uint32_t maxdomain = cpu_to_be32(spapr->gpu_numa_id > 1 ? 1 : 0);