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-rw-r--r--hw/hw.h4
-rw-r--r--savevm.c21
2 files changed, 25 insertions, 0 deletions
diff --git a/hw/hw.h b/hw/hw.h
index 4e2d592533..02992078df 100644
--- a/hw/hw.h
+++ b/hw/hw.h
@@ -343,6 +343,7 @@ extern const VMStateInfo vmstate_info_int64;
extern const VMStateInfo vmstate_info_uint8_equal;
extern const VMStateInfo vmstate_info_uint16_equal;
extern const VMStateInfo vmstate_info_int32_equal;
+extern const VMStateInfo vmstate_info_uint32_equal;
extern const VMStateInfo vmstate_info_int32_le;
extern const VMStateInfo vmstate_info_uint8;
@@ -704,6 +705,9 @@ extern const VMStateDescription vmstate_usb_device;
#define VMSTATE_INT32_EQUAL(_f, _s) \
VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_equal, int32_t)
+#define VMSTATE_UINT32_EQUAL(_f, _s) \
+ VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint32_equal, uint32_t)
+
#define VMSTATE_INT32_LE(_f, _s) \
VMSTATE_SINGLE(_f, _s, 0, vmstate_info_int32_le, int32_t)
diff --git a/savevm.c b/savevm.c
index a50fd31154..ce063d1e55 100644
--- a/savevm.c
+++ b/savevm.c
@@ -882,6 +882,27 @@ const VMStateInfo vmstate_info_uint32 = {
.put = put_uint32,
};
+/* 32 bit uint. See that the received value is the same than the one
+ in the field */
+
+static int get_uint32_equal(QEMUFile *f, void *pv, size_t size)
+{
+ uint32_t *v = pv;
+ uint32_t v2;
+ qemu_get_be32s(f, &v2);
+
+ if (*v == v2) {
+ return 0;
+ }
+ return -EINVAL;
+}
+
+const VMStateInfo vmstate_info_uint32_equal = {
+ .name = "uint32 equal",
+ .get = get_uint32_equal,
+ .put = put_uint32,
+};
+
/* 64 bit unsigned int */
static int get_uint64(QEMUFile *f, void *pv, size_t size)