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Add VMState support for int32_t check value 

We read the saved value and check that it is the same that the one
is stored in the structure.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
master
Juan Quintela 2009-08-20 19:42:32 +02:00 committed by Anthony Liguori
parent 5122b431c6
commit 8250166039
2 changed files with 25 additions and 0 deletions
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5
hw/hw.h
View File

@ -311,6 +311,8 @@ extern const VMStateInfo vmstate_info_int16;
extern const VMStateInfo vmstate_info_int32;
extern const VMStateInfo vmstate_info_int64;
extern const VMStateInfo vmstate_info_int32_equal;
extern const VMStateInfo vmstate_info_uint8;
extern const VMStateInfo vmstate_info_uint16;
extern const VMStateInfo vmstate_info_uint32;
@ -414,6 +416,9 @@ extern const VMStateInfo vmstate_info_timer;
#define VMSTATE_UINT64(_f, _s) \
VMSTATE_UINT64_V(_f, _s, 0)
#define VMSTATE_INT32_EQUAL(_f, _s) \
VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
#define VMSTATE_TIMER_V(_f, _s, _v) \
VMSTATE_POINTER(_f, _s, _v, vmstate_info_timer, QEMUTimer *)

20
savevm.c
View File

@ -702,6 +702,26 @@ const VMStateInfo vmstate_info_int32 = {
.put = put_int32,
};
/* 32 bit int. See that the received value is the same than the one
in the field */
static int get_int32_equal(QEMUFile *f, void *pv, size_t size)
{
int32_t *v = pv;
int32_t v2;
qemu_get_sbe32s(f, &v2);
if (*v == v2)
return 0;
return -EINVAL;
}
const VMStateInfo vmstate_info_int32_equal = {
.name = "int32 equal",
.get = get_int32_equal,
.put = put_int32,
};
/* 64 bit int */
static int get_int64(QEMUFile *f, void *pv, size_t size)