Add vmstate pre_save and post_load interfaces, which can be used
by pic kvm driver in future.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Set TYPE_LOONGARCH_PIC inherit from TYPE_LOONGARCH_PIC_COMMON object,
it shares vmsate and property of TYPE_LOONGARCH_PIC_COMMON, and has
its own realize() function.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Move some common functions to file loongarch_pic_common.c, the common
functions include loongarch_pic_common_realize(), property structure
loongarch_pic_common_properties and vmstate structure
vmstate_loongarch_pic_common.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
