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vmstate: introduce CPU_DoubleU arrays 

Add vmstate support for migrating arrays of CPU_DoubleU via
VMSTATE_CPUDOUBLE_ARRAY.

Signed-off-by: Juan Quintela <quintela@redhat.com>
[PMM: rebased, since files have all moved since 2012;
 added VMSTATE_CPUDOUBLE_ARRAY_V for consistency with FLOAT64]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
This commit is contained in:
Juan Quintela 2016-01-11 12:40:21 +00:00 committed by Mark Cave-Ayland
parent 5a57acb66f
commit 551747491d
2 changed files with 30 additions and 0 deletions
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7
include/migration/vmstate.h
View File

@ -156,6 +156,7 @@ extern const VMStateInfo vmstate_info_uint32;
extern const VMStateInfo vmstate_info_uint64;
extern const VMStateInfo vmstate_info_float64;
extern const VMStateInfo vmstate_info_cpudouble;
extern const VMStateInfo vmstate_info_timer;
extern const VMStateInfo vmstate_info_buffer;
@ -781,6 +782,12 @@ extern const VMStateInfo vmstate_info_bitmap;
#define VMSTATE_FLOAT64_ARRAY(_f, _s, _n) \
VMSTATE_FLOAT64_ARRAY_V(_f, _s, _n, 0)
#define VMSTATE_CPUDOUBLE_ARRAY_V(_f, _s, _n, _v) \
VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_cpudouble, CPU_DoubleU)
#define VMSTATE_CPUDOUBLE_ARRAY(_f, _s, _n) \
VMSTATE_CPUDOUBLE_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)))

23
migration/vmstate.c
View File

@ -794,6 +794,29 @@ const VMStateInfo vmstate_info_float64 = {
.put = put_float64,
};
/* CPU_DoubleU type */
static int get_cpudouble(QEMUFile *f, void *pv, size_t size)
{
CPU_DoubleU *v = pv;
qemu_get_be32s(f, &v->l.upper);
qemu_get_be32s(f, &v->l.lower);
return 0;
}
static void put_cpudouble(QEMUFile *f, void *pv, size_t size)
{
CPU_DoubleU *v = pv;
qemu_put_be32s(f, &v->l.upper);
qemu_put_be32s(f, &v->l.lower);
}
const VMStateInfo vmstate_info_cpudouble = {
.name = "CPU_Double_U",
.get = get_cpudouble,
.put = put_cpudouble,
};
/* uint8_t buffers */
static int get_buffer(QEMUFile *f, void *pv, size_t size)