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x86: factor out cpu_pre_save() 

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Juan Quintela 2009-09-29 22:49:02 +02:00 committed by Anthony Liguori
parent 66e6d55b75
commit c4c38c8c72
1 changed files with 32 additions and 21 deletions
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53
target-i386/machine.c
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@ -31,19 +31,13 @@ static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
vmstate_load_state(f, &vmstate_segment, dt, vmstate_segment.version_id);
}
void cpu_save(QEMUFile *f, void *opaque)
static void cpu_pre_save(void *opaque)
{
CPUState *env = opaque;
int i, bit;
cpu_synchronize_state(env);
for(i = 0; i < CPU_NB_REGS; i++)
qemu_put_betls(f, &env->regs[i]);
qemu_put_betls(f, &env->eip);
qemu_put_betls(f, &env->eflags);
qemu_put_be32s(f, &env->hflags);
/* FPU */
env->fpus_vmstate = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
env->fptag_vmstate = 0;
@ -51,15 +45,42 @@ void cpu_save(QEMUFile *f, void *opaque)
env->fptag_vmstate |= ((!env->fptags[i]) << i);
}
qemu_put_be16s(f, &env->fpuc);
qemu_put_be16s(f, &env->fpus_vmstate);
qemu_put_be16s(f, &env->fptag_vmstate);
#ifdef USE_X86LDOUBLE
env->fpregs_format_vmstate = 0;
#else
env->fpregs_format_vmstate = 1;
#endif
/* There can only be one pending IRQ set in the bitmap at a time, so try
to find it and save its number instead (-1 for none). */
env->pending_irq_vmstate = -1;
for (i = 0; i < ARRAY_SIZE(env->interrupt_bitmap); i++) {
if (env->interrupt_bitmap[i]) {
bit = ctz64(env->interrupt_bitmap[i]);
env->pending_irq_vmstate = i * 64 + bit;
break;
}
}
}
void cpu_save(QEMUFile *f, void *opaque)
{
CPUState *env = opaque;
int i;
cpu_pre_save(opaque);
for(i = 0; i < CPU_NB_REGS; i++)
qemu_put_betls(f, &env->regs[i]);
qemu_put_betls(f, &env->eip);
qemu_put_betls(f, &env->eflags);
qemu_put_be32s(f, &env->hflags);
/* FPU */
qemu_put_be16s(f, &env->fpuc);
qemu_put_be16s(f, &env->fpus_vmstate);
qemu_put_be16s(f, &env->fptag_vmstate);
qemu_put_be16s(f, &env->fpregs_format_vmstate);
for(i = 0; i < 8; i++) {
@ -146,16 +167,6 @@ void cpu_save(QEMUFile *f, void *opaque)
/* KVM-related states */
/* There can only be one pending IRQ set in the bitmap at a time, so try
to find it and save its number instead (-1 for none). */
env->pending_irq_vmstate = -1;
for (i = 0; i < ARRAY_SIZE(env->interrupt_bitmap); i++) {
if (env->interrupt_bitmap[i]) {
bit = ctz64(env->interrupt_bitmap[i]);
env->pending_irq_vmstate = i * 64 + bit;
break;
}
}
qemu_put_sbe32s(f, &env->pending_irq_vmstate);
qemu_put_be32s(f, &env->mp_state);
qemu_put_be64s(f, &env->tsc);