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Add VMState support for pointers

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This patch adds support for saving pointers to values

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Juan Quintela 2009-08-20 19:42:26 +02:00 • committed by Anthony Liguori
parent 9ed7d6ae0f
commit dde0463b4e
2 changed files with 47 additions and 0 deletions
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28
savevm.c
View file

@ -807,6 +807,27 @@ const VMStateInfo vmstate_info_uint64 = {
.put = put_uint64,
};
/* timers */
static int get_timer(QEMUFile *f, void *pv, size_t size)
{
QEMUTimer *v = pv;
qemu_get_timer(f, v);
return 0;
}
static void put_timer(QEMUFile *f, const void *pv, size_t size)
{
QEMUTimer *v = (void *)pv;
qemu_put_timer(f, v);
}
const VMStateInfo vmstate_info_timer = {
.name = "timer",
.get = get_timer,
.put = put_timer,
};
typedef struct SaveStateEntry {
char idstr[256];
int instance_id;
@ -954,6 +975,9 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
void *addr = opaque + field->offset;
int ret;
if (field->flags & VMS_POINTER) {
addr = *(void **)addr;
}
ret = field->info->get(f, addr, field->size);
if (ret < 0) {
return ret;
@ -971,6 +995,10 @@ void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
while(field->name) {
const void *addr = opaque + field->offset;
if (field->flags & VMS_POINTER) {
addr = *(void **)addr;
}
field->info->put(f, addr, field->size);
field++;
}