diff --git a/hw/hw.h b/hw/hw.h index a8534fa1e8..2ee307e7fb 100644 --- a/hw/hw.h +++ b/hw/hw.h @@ -283,6 +283,7 @@ enum VMStateFlags { VMS_SINGLE = 0x001, VMS_POINTER = 0x002, VMS_ARRAY = 0x004, + VMS_STRUCT = 0x008, }; typedef struct { @@ -292,6 +293,7 @@ typedef struct { int num; const VMStateInfo *info; enum VMStateFlags flags; + const VMStateDescription *vmsd; int version_id; } VMStateField; @@ -349,6 +351,16 @@ extern const VMStateInfo vmstate_info_timer; + type_check_array(_type,typeof_field(_state, _field),_num) \ } +#define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) { \ + .name = (stringify(_field)), \ + .version_id = (_version), \ + .vmsd = &(_vmsd), \ + .size = sizeof(_type), \ + .flags = VMS_STRUCT, \ + .offset = offsetof(_state, _field) \ + + type_check(_type,typeof_field(_state, _field)) \ +} + /* _f : field name _n : num of elements _s : struct state name diff --git a/savevm.c b/savevm.c index 7bcb783f96..71ec4ca84c 100644 --- a/savevm.c +++ b/savevm.c @@ -983,7 +983,13 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd, } for (i = 0; i < n_elems; i++) { void *addr = base_addr + field->size * i; - ret = field->info->get(f, addr, field->size); + + if (field->flags & VMS_STRUCT) { + ret = vmstate_load_state(f, field->vmsd, addr, version_id); + } else { + ret = field->info->get(f, addr, field->size); + + } if (ret < 0) { return ret; } @@ -1011,7 +1017,12 @@ void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd, } for (i = 0; i < n_elems; i++) { const void *addr = base_addr + field->size * i; - field->info->put(f, addr, field->size); + + if (field->flags & VMS_STRUCT) { + vmstate_save_state(f, field->vmsd, addr); + } else { + field->info->put(f, addr, field->size); + } } field++; }