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vmstate: Add pre_load() hook

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Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Juan Quintela 2009-09-10 03:04:31 +02:00 committed by Anthony Liguori
parent 752ff2fa31
commit fd4d52deab
2 changed files with 6 additions and 0 deletions
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1
hw/hw.h
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@ -306,6 +306,7 @@ struct VMStateDescription {
int minimum_version_id;
int minimum_version_id_old;
LoadStateHandler *load_state_old;
int (*pre_load)(void *opaque);
int (*post_load)(void *opaque);
VMStateField *fields;
};

5
savevm.c
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@ -1028,6 +1028,11 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
if (version_id < vmsd->minimum_version_id) {
return vmsd->load_state_old(f, opaque, version_id);
}
if (vmsd->pre_load) {
int ret = vmsd->pre_load(opaque);
if (ret)
return ret;
}
while(field->name) {
if (field->version_id <= version_id) {
void *base_addr = opaque + field->offset;