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migration: extend VMStateInfo

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Current migration code cannot handle some data structures such as
QTAILQ in qemu/queue.h. Here we extend the signatures of put/get
in VMStateInfo so that customized handling is supported. put now
will return int type.

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

Signed-off-by: Jianjun Duan <duanj@linux.vnet.ibm.com>
Message-Id: <1484852453-12728-2-git-send-email-duanj@linux.vnet.ibm.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Jianjun Duan 2017-01-19 11:00:50 -08:00 • committed by Dr. David Alan Gilbert
parent d7fc72ceb5
commit 2c21ee769e
22 changed files with 262 additions and 105 deletions
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6
target/sparc/machine.c
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@ -56,7 +56,7 @@ static const VMStateDescription vmstate_tlb_entry = {
};
#endif
static int get_psr(QEMUFile *f, void *opaque, size_t size)
static int get_psr(QEMUFile *f, void *opaque, size_t size, VMStateField *field)
{
SPARCCPU *cpu = opaque;
CPUSPARCState *env = &cpu->env;
@ -69,7 +69,8 @@ static int get_psr(QEMUFile *f, void *opaque, size_t size)
return 0;
}
static void put_psr(QEMUFile *f, void *opaque, size_t size)
static int put_psr(QEMUFile *f, void *opaque, size_t size, VMStateField *field,
QJSON *vmdesc)
{
SPARCCPU *cpu = opaque;
CPUSPARCState *env = &cpu->env;
@ -78,6 +79,7 @@ static void put_psr(QEMUFile *f, void *opaque, size_t size)
val = cpu_get_psr(env);
qemu_put_be32(f, val);
return 0;
}
static const VMStateInfo vmstate_psr = {