diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h index 294d455b7b..5c31ff1c9b 100644 --- a/include/migration/vmstate.h +++ b/include/migration/vmstate.h @@ -157,6 +157,8 @@ extern const VMStateInfo vmstate_info_uint16; extern const VMStateInfo vmstate_info_uint32; extern const VMStateInfo vmstate_info_uint64; +extern const VMStateInfo vmstate_info_float64; + extern const VMStateInfo vmstate_info_timer; extern const VMStateInfo vmstate_info_buffer; extern const VMStateInfo vmstate_info_unused_buffer; @@ -543,6 +545,13 @@ extern const VMStateInfo vmstate_info_bitmap; #define VMSTATE_UINT32_TEST(_f, _s, _t) \ VMSTATE_SINGLE_TEST(_f, _s, _t, 0, vmstate_info_uint32, uint32_t) + +#define VMSTATE_FLOAT64_V(_f, _s, _v) \ + VMSTATE_SINGLE(_f, _s, _v, vmstate_info_float64, float64) + +#define VMSTATE_FLOAT64(_f, _s) \ + VMSTATE_FLOAT64_V(_f, _s, 0) + #define VMSTATE_TIMER_TEST(_f, _s, _test) \ VMSTATE_POINTER_TEST(_f, _s, _test, vmstate_info_timer, QEMUTimer *) @@ -609,6 +618,12 @@ extern const VMStateInfo vmstate_info_bitmap; #define VMSTATE_INT64_ARRAY(_f, _s, _n) \ VMSTATE_INT64_ARRAY_V(_f, _s, _n, 0) +#define VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, _v) \ + VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_float64, float64) + +#define VMSTATE_FLOAT64_ARRAY(_f, _s, _n) \ + VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, 0) + #define VMSTATE_BUFFER_V(_f, _s, _v) \ VMSTATE_STATIC_BUFFER(_f, _s, _v, NULL, 0, sizeof(typeof_field(_s, _f))) diff --git a/savevm.c b/savevm.c index cd98b0db1d..8f1344a959 100644 --- a/savevm.c +++ b/savevm.c @@ -1133,6 +1133,29 @@ const VMStateInfo vmstate_info_uint16_equal = { .put = put_uint16, }; +/* floating point */ + +static int get_float64(QEMUFile *f, void *pv, size_t size) +{ + float64 *v = pv; + + *v = make_float64(qemu_get_be64(f)); + return 0; +} + +static void put_float64(QEMUFile *f, void *pv, size_t size) +{ + uint64_t *v = pv; + + qemu_put_be64(f, float64_val(*v)); +} + +const VMStateInfo vmstate_info_float64 = { + .name = "float64", + .get = get_float64, + .put = put_float64, +}; + /* timers */ static int get_timer(QEMUFile *f, void *pv, size_t size)