diff --git a/hw/hw.h b/hw/hw.h index 98afd2207b..ba812307ae 100644 --- a/hw/hw.h +++ b/hw/hw.h @@ -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 *) diff --git a/savevm.c b/savevm.c index 71ec4ca84c..9df198cde3 100644 --- a/savevm.c +++ b/savevm.c @@ -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)