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vmstate: Introduce the concept of sub-arrays

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VMSTATE_SUB_ARRAY(..., start, num, ...) saves the num elems starting at
position start of the array
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Juan Quintela 2009-10-19 20:00:36 +02:00 committed by Anthony Liguori
parent 9e77fcd027
commit 9ba2f6601d
1 changed files with 19 additions and 0 deletions
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19
hw/hw.h
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@ -352,6 +352,9 @@ extern const VMStateInfo vmstate_info_unused_buffer;
(offsetof(_state, _field) + \
type_check_array(_type, typeof_field(_state, _field), _num))
#define vmstate_offset_sub_array(_state, _field, _type, _start) \
(offsetof(_state, _field[_start]))
#define vmstate_offset_buffer(_state, _field) \
vmstate_offset_array(_state, _field, uint8_t, \
sizeof(typeof_field(_state, _field)))
@ -395,6 +398,16 @@ extern const VMStateInfo vmstate_info_unused_buffer;
.offset = vmstate_offset_array(_state, _field, _type, _num),\
}
#define VMSTATE_SUB_ARRAY(_field, _state, _start, _num, _version, _info, _type) { \
.name = (stringify(_field)), \
.version_id = (_version), \
.num = (_num), \
.info = &(_info), \
.size = sizeof(_type), \
.flags = VMS_ARRAY, \
.offset = vmstate_offset_sub_array(_state, _field, _type, _start), \
}
#define VMSTATE_VARRAY_INT32(_field, _state, _field_num, _version, _info, _type) {\
.name = (stringify(_field)), \
.version_id = (_version), \
@ -627,6 +640,12 @@ extern const VMStateDescription vmstate_i2c_slave;
#define VMSTATE_INT32_ARRAY(_f, _s, _n) \
VMSTATE_INT32_ARRAY_V(_f, _s, _n, 0)
#define VMSTATE_UINT32_SUB_ARRAY(_f, _s, _start, _num) \
VMSTATE_SUB_ARRAY(_f, _s, _start, _num, 0, vmstate_info_uint32, uint32_t)
#define VMSTATE_UINT32_ARRAY(_f, _s, _n) \
VMSTATE_UINT32_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)))