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vmstate: Add support for saving/loading bitmaps

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Add support for saving/loading bitmap.h bitmaps in vmstate.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Igor Mitsyanko <i.mitsyanko@samsung.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Peter Maydell 2012-10-30 07:45:12 +00:00
parent f2d189d384
commit 08e99e296f
2 changed files with 54 additions and 0 deletions
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13
vmstate.h
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@ -139,6 +139,7 @@ extern const VMStateInfo vmstate_info_uint64;
extern const VMStateInfo vmstate_info_timer;
extern const VMStateInfo vmstate_info_buffer;
extern const VMStateInfo vmstate_info_unused_buffer;
extern const VMStateInfo vmstate_info_bitmap;
#define type_check_array(t1,t2,n) ((t1(*)[n])0 - (t2*)0)
#define type_check_pointer(t1,t2) ((t1**)0 - (t2*)0)
@ -411,6 +412,18 @@ extern const VMStateInfo vmstate_info_unused_buffer;
.flags = VMS_BUFFER, \
}
/* _field_size should be a int32_t field in the _state struct giving the
* size of the bitmap _field in bits.
*/
#define VMSTATE_BITMAP(_field, _state, _version, _field_size) { \
.name = (stringify(_field)), \
.version_id = (_version), \
.size_offset = vmstate_offset_value(_state, _field_size, int32_t),\
.info = &vmstate_info_bitmap, \
.flags = VMS_VBUFFER|VMS_POINTER, \
.offset = offsetof(_state, _field), \
}
/* _f : field name
_f_n : num of elements field_name
_n : num of elements