qemu/target/alpha/machine.c
Jianjun Duan 2c21ee769e migration: extend VMStateInfo
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>
2017-01-24 17:54:47 +00:00

94 lines
2.7 KiB
C

#include "qemu/osdep.h"
#include "qemu-common.h"
#include "cpu.h"
#include "hw/hw.h"
#include "hw/boards.h"
#include "migration/cpu.h"
static int get_fpcr(QEMUFile *f, void *opaque, size_t size, VMStateField *field)
{
CPUAlphaState *env = opaque;
cpu_alpha_store_fpcr(env, qemu_get_be64(f));
return 0;
}
static int put_fpcr(QEMUFile *f, void *opaque, size_t size,
VMStateField *field, QJSON *vmdesc)
{
CPUAlphaState *env = opaque;
qemu_put_be64(f, cpu_alpha_load_fpcr(env));
return 0;
}
static const VMStateInfo vmstate_fpcr = {
.name = "fpcr",
.get = get_fpcr,
.put = put_fpcr,
};
static VMStateField vmstate_env_fields[] = {
VMSTATE_UINTTL_ARRAY(ir, CPUAlphaState, 31),
VMSTATE_UINTTL_ARRAY(fir, CPUAlphaState, 31),
/* Save the architecture value of the fpcr, not the internally
expanded version. Since this architecture value does not
exist in memory to be stored, this requires a but of hoop
jumping. We want OFFSET=0 so that we effectively pass ENV
to the helper functions, and we need to fill in the name by
hand since there's no field of that name. */
{
.name = "fpcr",
.version_id = 0,
.size = sizeof(uint64_t),
.info = &vmstate_fpcr,
.flags = VMS_SINGLE,
.offset = 0
},
VMSTATE_UINTTL(pc, CPUAlphaState),
VMSTATE_UINTTL(unique, CPUAlphaState),
VMSTATE_UINTTL(lock_addr, CPUAlphaState),
VMSTATE_UINTTL(lock_value, CPUAlphaState),
VMSTATE_UINT8(ps, CPUAlphaState),
VMSTATE_UINT8(intr_flag, CPUAlphaState),
VMSTATE_UINT8(pal_mode, CPUAlphaState),
VMSTATE_UINT8(fen, CPUAlphaState),
VMSTATE_UINT32(pcc_ofs, CPUAlphaState),
VMSTATE_UINTTL(trap_arg0, CPUAlphaState),
VMSTATE_UINTTL(trap_arg1, CPUAlphaState),
VMSTATE_UINTTL(trap_arg2, CPUAlphaState),
VMSTATE_UINTTL(exc_addr, CPUAlphaState),
VMSTATE_UINTTL(palbr, CPUAlphaState),
VMSTATE_UINTTL(ptbr, CPUAlphaState),
VMSTATE_UINTTL(vptptr, CPUAlphaState),
VMSTATE_UINTTL(sysval, CPUAlphaState),
VMSTATE_UINTTL(usp, CPUAlphaState),
VMSTATE_UINTTL_ARRAY(shadow, CPUAlphaState, 8),
VMSTATE_UINTTL_ARRAY(scratch, CPUAlphaState, 24),
VMSTATE_END_OF_LIST()
};
static const VMStateDescription vmstate_env = {
.name = "env",
.version_id = 2,
.minimum_version_id = 2,
.fields = vmstate_env_fields,
};
static VMStateField vmstate_cpu_fields[] = {
VMSTATE_CPU(),
VMSTATE_STRUCT(env, AlphaCPU, 1, vmstate_env, CPUAlphaState),
VMSTATE_END_OF_LIST()
};
const VMStateDescription vmstate_alpha_cpu = {
.name = "cpu",
.version_id = 1,
.minimum_version_id = 1,
.fields = vmstate_cpu_fields,
};