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arm/virt: use memdev for RAM

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memory_region_allocate_system_memory() API is going away,
so replace it with memdev allocated MemoryRegion.
The later is initialized by generic code, so board only
needs to opt in to memdev scheme by providing
  MachineClass::default_ram_id
and then map memory region provided by
  MachineState::ram_memdev

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200219160953.13771-34-imammedo@redhat.com>
This commit is contained in:
Igor Mammedov 2020-02-19 11:09:07 -05:00 committed by Patchew Importer
parent 08b8ba04c9
commit a72f6805f3
1 changed files with 3 additions and 4 deletions
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7
hw/arm/virt.c
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@ -1512,7 +1512,6 @@ static void machvirt_init(MachineState *machine)
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *secure_sysmem = NULL;
int n, virt_max_cpus;
MemoryRegion *ram = g_new(MemoryRegion, 1);
bool firmware_loaded;
bool aarch64 = true;
bool has_ged = !vmc->no_ged;
@ -1706,9 +1705,8 @@ static void machvirt_init(MachineState *machine)
}
}
memory_region_allocate_system_memory(ram, NULL, "mach-virt.ram",
machine->ram_size);
memory_region_add_subregion(sysmem, vms->memmap[VIRT_MEM].base, ram);
memory_region_add_subregion(sysmem, vms->memmap[VIRT_MEM].base,
machine->ram);
if (machine->device_memory) {
memory_region_add_subregion(sysmem, machine->device_memory->base,
&machine->device_memory->mr);
@ -2058,6 +2056,7 @@ static void virt_machine_class_init(ObjectClass *oc, void *data)
hc->unplug_request = virt_machine_device_unplug_request_cb;
mc->numa_mem_supported = true;
mc->auto_enable_numa_with_memhp = true;
mc->default_ram_id = "mach-virt.ram";
}
static void virt_instance_init(Object *obj)