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machine: add default_ram_size to machine class

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Machines types can have different requirement for default ram
size. Introduce a member in the machine class and set the current
default_ram_size to 128MB.

For QEMUMachine types override the value during the registration of
the machine and for MachineClass introduce the generic class init
setting the default_ram_size.

Add helpers [K,M,G,T,P,E]_BYTE for better readability and easy usage

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Nikunj A Dadhania 2015-05-07 15:33:57 +10:00 • committed by Alexander Graf
parent c5bc152bc3
commit 076b35b5a5
4 changed files with 32 additions and 14 deletions
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9
hw/core/machine.c
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@ -294,6 +294,14 @@ static void machine_init_notify(Notifier *notifier, void *data)
foreach_dynamic_sysbus_device(error_on_sysbus_device, NULL);
}
static void machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
/* Default 128 MB as guest ram size */
mc->default_ram_size = 128 * M_BYTE;
}
static void machine_initfn(Object *obj)
{
MachineState *ms = MACHINE(obj);
@ -463,6 +471,7 @@ static const TypeInfo machine_info = {
.parent = TYPE_OBJECT,
.abstract = true,
.class_size = sizeof(MachineClass),
.class_init = machine_class_init,
.instance_size = sizeof(MachineState),
.instance_init = machine_initfn,
.instance_finalize = machine_finalize,