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target-microblaze: Mark as unmigratable

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cpu_{save,load} were no-ops, so de facto it is unmigratable and no
backwards compatibility to keep. Therefore mark the MicroBlazeCPU as
unmigratable at device level the QOM way and suppress "cpu_common"
VMState registration by dropping CPU_SAVE_VERSION.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Andreas Färber 2013-01-20 19:03:32 +01:00
parent 88e28512ef
commit 3ce8b2bcbf
4 changed files with 10 additions and 14 deletions
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2
target-microblaze/Makefile.objs
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@ -1,2 +1,2 @@
obj-y += translate.o op_helper.o helper.o cpu.o obj-y += translate.o op_helper.o helper.o cpu.o
obj-$(CONFIG_SOFTMMU) += mmu.o machine.o obj-$(CONFIG_SOFTMMU) += mmu.o

9
target-microblaze/cpu.c
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@ -22,6 +22,7 @@
#include "cpu.h" #include "cpu.h"
#include "qemu-common.h" #include "qemu-common.h"
#include "migration/vmstate.h"
/* CPUClass::reset() */ /* CPUClass::reset() */
@ -94,13 +95,21 @@ static void mb_cpu_initfn(Object *obj)
set_float_rounding_mode(float_round_nearest_even, &env->fp_status); set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
} }
static const VMStateDescription vmstate_mb_cpu = {
.name = "cpu",
.unmigratable = 1,
};
static void mb_cpu_class_init(ObjectClass *oc, void *data) static void mb_cpu_class_init(ObjectClass *oc, void *data)
{ {
DeviceClass *dc = DEVICE_CLASS(oc);
CPUClass *cc = CPU_CLASS(oc); CPUClass *cc = CPU_CLASS(oc);
MicroBlazeCPUClass *mcc = MICROBLAZE_CPU_CLASS(oc); MicroBlazeCPUClass *mcc = MICROBLAZE_CPU_CLASS(oc);
mcc->parent_reset = cc->reset; mcc->parent_reset = cc->reset;
cc->reset = mb_cpu_reset; cc->reset = mb_cpu_reset;
dc->vmsd = &vmstate_mb_cpu;
} }
static const TypeInfo mb_cpu_type_info = { static const TypeInfo mb_cpu_type_info = {

2
target-microblaze/cpu.h
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@ -307,8 +307,6 @@ static inline CPUMBState *cpu_init(const char *cpu_model)
#define cpu_gen_code cpu_mb_gen_code #define cpu_gen_code cpu_mb_gen_code
#define cpu_signal_handler cpu_mb_signal_handler #define cpu_signal_handler cpu_mb_signal_handler
#define CPU_SAVE_VERSION 1
/* MMU modes definitions */ /* MMU modes definitions */
#define MMU_MODE0_SUFFIX _nommu #define MMU_MODE0_SUFFIX _nommu
#define MMU_MODE1_SUFFIX _kernel #define MMU_MODE1_SUFFIX _kernel

11
target-microblaze/machine.c
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@ -1,11 +0,0 @@
#include "hw/hw.h"
#include "hw/boards.h"
void cpu_save(QEMUFile *f, void *opaque)
{
}
int cpu_load(QEMUFile *f, void *opaque, int version_id)
{
return 0;
}