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-rw-r--r--hw/loongarch/virt.c53
1 files changed, 17 insertions, 36 deletions
diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index 449050cba5..4ec2b9a061 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -978,14 +978,10 @@ static void virt_init(MachineState *machine)
 {
     LoongArchCPU *lacpu;
     const char *cpu_model = machine->cpu_type;
-    ram_addr_t offset = 0;
-    ram_addr_t ram_size = machine->ram_size;
-    uint64_t highram_size = 0, phyAddr = 0;
     MemoryRegion *address_space_mem = get_system_memory();
     LoongArchVirtMachineState *lvms = LOONGARCH_VIRT_MACHINE(machine);
-    int nb_numa_nodes = machine->numa_state->num_nodes;
-    NodeInfo *numa_info = machine->numa_state->nodes;
     int i;
+    hwaddr base, size, ram_size = machine->ram_size;
     const CPUArchIdList *possible_cpus;
     MachineClass *mc = MACHINE_GET_CLASS(machine);
     CPUState *cpu;
@@ -1023,40 +1019,27 @@ static void virt_init(MachineState *machine)
     fw_cfg_add_memory(machine);
 
     /* Node0 memory */
-    memory_region_init_alias(&lvms->lowmem, NULL, "loongarch.node0.lowram",
-                             machine->ram, offset, VIRT_LOWMEM_SIZE);
-    memory_region_add_subregion(address_space_mem, phyAddr, &lvms->lowmem);
-
-    offset += VIRT_LOWMEM_SIZE;
-    if (nb_numa_nodes > 0) {
-        assert(numa_info[0].node_mem > VIRT_LOWMEM_SIZE);
-        highram_size = numa_info[0].node_mem - VIRT_LOWMEM_SIZE;
-    } else {
-        highram_size = ram_size - VIRT_LOWMEM_SIZE;
+    size = ram_size;
+    base = VIRT_LOWMEM_BASE;
+    if (size > VIRT_LOWMEM_SIZE) {
+        size = VIRT_LOWMEM_SIZE;
     }
-    phyAddr = VIRT_HIGHMEM_BASE;
-    memory_region_init_alias(&lvms->highmem, NULL, "loongarch.node0.highram",
-                              machine->ram, offset, highram_size);
-    memory_region_add_subregion(address_space_mem, phyAddr, &lvms->highmem);
-
-    /* Node1 - Nodemax memory */
-    offset += highram_size;
-    phyAddr += highram_size;
-
-    for (i = 1; i < nb_numa_nodes; i++) {
-        MemoryRegion *nodemem = g_new(MemoryRegion, 1);
-        g_autofree char *ramName = g_strdup_printf("loongarch.node%d.ram", i);
-        memory_region_init_alias(nodemem, NULL, ramName, machine->ram,
-                                 offset,  numa_info[i].node_mem);
-        memory_region_add_subregion(address_space_mem, phyAddr, nodemem);
-        offset += numa_info[i].node_mem;
-        phyAddr += numa_info[i].node_mem;
+
+    memory_region_init_alias(&lvms->lowmem, NULL, "loongarch.lowram",
+                              machine->ram, base, size);
+    memory_region_add_subregion(address_space_mem, base, &lvms->lowmem);
+    base += size;
+    if (ram_size - size) {
+        base = VIRT_HIGHMEM_BASE;
+        memory_region_init_alias(&lvms->highmem, NULL, "loongarch.highram",
+                machine->ram, VIRT_LOWMEM_BASE + size, ram_size - size);
+        memory_region_add_subregion(address_space_mem, base, &lvms->highmem);
+        base += ram_size - size;
     }
 
     /* initialize device memory address space */
     if (machine->ram_size < machine->maxram_size) {
         ram_addr_t device_mem_size = machine->maxram_size - machine->ram_size;
-        hwaddr device_mem_base;
 
         if (machine->ram_slots > ACPI_MAX_RAM_SLOTS) {
             error_report("unsupported amount of memory slots: %"PRIu64,
@@ -1070,9 +1053,7 @@ static void virt_init(MachineState *machine)
                          "%d bytes", TARGET_PAGE_SIZE);
             exit(EXIT_FAILURE);
         }
-        /* device memory base is the top of high memory address. */
-        device_mem_base = ROUND_UP(VIRT_HIGHMEM_BASE + highram_size, 1 * GiB);
-        machine_memory_devices_init(machine, device_mem_base, device_mem_size);
+        machine_memory_devices_init(machine, base, device_mem_size);
     }
 
     /* load the BIOS image. */