diff --git a/exec.c b/exec.c
index 06d92538f..a664b6fab 100644
--- a/exec.c
+++ b/exec.c
@@ -37,6 +37,7 @@
 #include "exec-all.h"
 #include "qemu-common.h"
 #include "tcg.h"
+#include "hw/hw.h"
 #if defined(CONFIG_USER_ONLY)
 #include <qemu.h>
 #endif
@@ -457,6 +458,10 @@ void cpu_exec_init(CPUState *env)
     env->cpu_index = cpu_index;
     env->nb_watchpoints = 0;
     *penv = env;
+#if defined(CPU_SAVE_VERSION) && !defined(CONFIG_USER_ONLY)
+    register_savevm("cpu", cpu_index, CPU_SAVE_VERSION,
+                    cpu_save, cpu_load, env);
+#endif
 }
 
 static inline void invalidate_page_bitmap(PageDesc *p)
diff --git a/hw/etraxfs.c b/hw/etraxfs.c
index 0efcd831f..276f1fd09 100644
--- a/hw/etraxfs.c
+++ b/hw/etraxfs.c
@@ -67,7 +67,6 @@ void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size,
         cpu_model = "crisv32";
     }
     env = cpu_init(cpu_model);
-    register_savevm("cpu", 0, 1, cpu_save, cpu_load, env);
     qemu_register_reset(main_cpu_reset, env);
 
     /* allocate RAM */
diff --git a/hw/mips_jazz.c b/hw/mips_jazz.c
index bfd8b53bc..52cf47b84 100644
--- a/hw/mips_jazz.c
+++ b/hw/mips_jazz.c
@@ -146,7 +146,6 @@ void mips_jazz_init (ram_addr_t ram_size, int vga_ram_size,
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
-    register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
     qemu_register_reset(main_cpu_reset, env);
 
     /* allocate RAM */
diff --git a/hw/mips_malta.c b/hw/mips_malta.c
index cc31082e2..a19a69f56 100644
--- a/hw/mips_malta.c
+++ b/hw/mips_malta.c
@@ -802,7 +802,6 @@ void mips_malta_init (ram_addr_t ram_size, int vga_ram_size,
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
-    register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
     qemu_register_reset(main_cpu_reset, env);
 
     /* allocate RAM */
diff --git a/hw/mips_mipssim.c b/hw/mips_mipssim.c
index af09d9599..d04c660b4 100644
--- a/hw/mips_mipssim.c
+++ b/hw/mips_mipssim.c
@@ -129,7 +129,6 @@ mips_mipssim_init (ram_addr_t ram_size, int vga_ram_size,
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
-    register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
     qemu_register_reset(main_cpu_reset, env);
 
     /* Allocate RAM. */
diff --git a/hw/mips_r4k.c b/hw/mips_r4k.c
index 4540cbf45..a9d42eadc 100644
--- a/hw/mips_r4k.c
+++ b/hw/mips_r4k.c
@@ -175,7 +175,6 @@ void mips_r4k_init (ram_addr_t ram_size, int vga_ram_size,
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
-    register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
     qemu_register_reset(main_cpu_reset, env);
 
     /* allocate RAM */
diff --git a/hw/pc.c b/hw/pc.c
index 4c5e1c343..99df09d9a 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -764,7 +764,6 @@ static void pc_init1(ram_addr_t ram_size, int vga_ram_size,
             /* XXX: enable it in all cases */
             env->cpuid_features |= CPUID_APIC;
         }
-        register_savevm("cpu", i, 5, cpu_save, cpu_load, env);
         qemu_register_reset(main_cpu_reset, env);
         if (pci_enabled) {
             apic_init(env);
diff --git a/hw/ppc4xx_devs.c b/hw/ppc4xx_devs.c
index 125f2d43e..f9143dd4f 100644
--- a/hw/ppc4xx_devs.c
+++ b/hw/ppc4xx_devs.c
@@ -56,7 +56,6 @@ CPUState *ppc4xx_init (const unsigned char *cpu_model,
     ppc_dcr_init(env, NULL, NULL);
     /* Register qemu callbacks */
     qemu_register_reset(&cpu_ppc_reset, env);
-    register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
 
     return env;
 }
diff --git a/hw/ppc_chrp.c b/hw/ppc_chrp.c
index deb97611b..a100896c2 100644
--- a/hw/ppc_chrp.c
+++ b/hw/ppc_chrp.c
@@ -103,7 +103,6 @@ static void ppc_core99_init (ram_addr_t ram_size, int vga_ram_size,
         env->osi_call = vga_osi_call;
 #endif
         qemu_register_reset(&cpu_ppc_reset, env);
-        register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
         envs[i] = env;
     }
     if (env->nip < 0xFFF80000) {
diff --git a/hw/ppc_oldworld.c b/hw/ppc_oldworld.c
index be5ee6710..85d3b2ce8 100644
--- a/hw/ppc_oldworld.c
+++ b/hw/ppc_oldworld.c
@@ -143,7 +143,6 @@ static void ppc_heathrow_init (ram_addr_t ram_size, int vga_ram_size,
         cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
         env->osi_call = vga_osi_call;
         qemu_register_reset(&cpu_ppc_reset, env);
-        register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
         envs[i] = env;
     }
     if (env->nip < 0xFFF80000) {
diff --git a/hw/ppc_prep.c b/hw/ppc_prep.c
index 9238e6d43..88ba6b03d 100644
--- a/hw/ppc_prep.c
+++ b/hw/ppc_prep.c
@@ -580,7 +580,6 @@ static void ppc_prep_init (ram_addr_t ram_size, int vga_ram_size,
             cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
         }
         qemu_register_reset(&cpu_ppc_reset, env);
-        register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
         envs[i] = env;
     }
 
diff --git a/hw/pxa2xx.c b/hw/pxa2xx.c
index 6e06baada..cb6670c35 100644
--- a/hw/pxa2xx.c
+++ b/hw/pxa2xx.c
@@ -2046,9 +2046,6 @@ struct pxa2xx_state_s *pxa270_init(unsigned int sdram_size,
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
-    register_savevm("cpu", 0, ARM_CPU_SAVE_VERSION, cpu_save, cpu_load,
-                    s->env);
-
     s->reset = qemu_allocate_irqs(pxa2xx_reset, s, 1)[0];
 
     /* SDRAM & Internal Memory Storage */
@@ -2173,9 +2170,6 @@ struct pxa2xx_state_s *pxa255_init(unsigned int sdram_size,
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
-    register_savevm("cpu", 0, ARM_CPU_SAVE_VERSION, cpu_save, cpu_load,
-                    s->env);
-
     s->reset = qemu_allocate_irqs(pxa2xx_reset, s, 1)[0];
 
     /* SDRAM & Internal Memory Storage */
diff --git a/hw/sun4m.c b/hw/sun4m.c
index e1ff225e3..899e2d506 100644
--- a/hw/sun4m.c
+++ b/hw/sun4m.c
@@ -426,7 +426,6 @@ static void sun4m_hw_init(const struct hwdef *hwdef, ram_addr_t RAM_size,
             qemu_register_reset(secondary_cpu_reset, env);
             env->halted = 1;
         }
-        register_savevm("cpu", i, 4, cpu_save, cpu_load, env);
         cpu_irqs[i] = qemu_allocate_irqs(cpu_set_irq, envs[i], MAX_PILS);
         env->prom_addr = hwdef->slavio_base;
     }
@@ -601,7 +600,6 @@ static void sun4c_hw_init(const struct hwdef *hwdef, ram_addr_t RAM_size,
     cpu_sparc_set_id(env, 0);
 
     qemu_register_reset(main_cpu_reset, env);
-    register_savevm("cpu", 0, 4, cpu_save, cpu_load, env);
     cpu_irqs = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
     env->prom_addr = hwdef->slavio_base;
 
@@ -1413,7 +1411,6 @@ static void sun4d_hw_init(const struct sun4d_hwdef *hwdef, ram_addr_t RAM_size,
             qemu_register_reset(secondary_cpu_reset, env);
             env->halted = 1;
         }
-        register_savevm("cpu", i, 4, cpu_save, cpu_load, env);
         cpu_irqs[i] = qemu_allocate_irqs(cpu_set_irq, envs[i], MAX_PILS);
         env->prom_addr = hwdef->slavio_base;
     }
diff --git a/hw/sun4u.c b/hw/sun4u.c
index f97c7a05b..c648314a6 100644
--- a/hw/sun4u.c
+++ b/hw/sun4u.c
@@ -282,7 +282,6 @@ static void sun4u_init(ram_addr_t RAM_size, int vga_ram_size,
     bh = qemu_bh_new(hstick_irq, env);
     env->hstick = ptimer_init(bh);
     ptimer_set_period(env->hstick, 1ULL);
-    register_savevm("cpu", 0, 4, cpu_save, cpu_load, env);
     qemu_register_reset(main_cpu_reset, env);
     main_cpu_reset(env);
 
diff --git a/qemu-common.h b/qemu-common.h
index a24614467..0512d4963 100644
--- a/qemu-common.h
+++ b/qemu-common.h
@@ -132,4 +132,8 @@ typedef struct SerialState SerialState;
 typedef struct IRQState *qemu_irq;
 struct pcmcia_card_s;
 
+/* CPU save/load.  */
+void cpu_save(QEMUFile *f, void *opaque);
+int cpu_load(QEMUFile *f, void *opaque, int version_id);
+
 #endif
diff --git a/sysemu.h b/sysemu.h
index f666f73fa..b12fae0a9 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -41,9 +41,6 @@ void qemu_system_powerdown(void);
 #endif
 void qemu_system_reset(void);
 
-void cpu_save(QEMUFile *f, void *opaque);
-int cpu_load(QEMUFile *f, void *opaque, int version_id);
-
 void do_savevm(const char *name);
 void do_loadvm(const char *name);
 void do_delvm(const char *name);
diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index 6b16e5d04..1d7333264 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -397,7 +397,7 @@ void cpu_arm_set_cp_io(CPUARMState *env, int cpnum,
 #define cpu_signal_handler cpu_arm_signal_handler
 #define cpu_list arm_cpu_list
 
-#define ARM_CPU_SAVE_VERSION 1
+#define CPU_SAVE_VERSION 1
 
 /* MMU modes definitions */
 #define MMU_MODE0_SUFFIX _kernel
diff --git a/target-arm/machine.c b/target-arm/machine.c
index 6637e72ed..42ff5844c 100644
--- a/target-arm/machine.c
+++ b/target-arm/machine.c
@@ -120,7 +120,7 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
     CPUARMState *env = (CPUARMState *)opaque;
     int i;
 
-    if (version_id != ARM_CPU_SAVE_VERSION)
+    if (version_id != CPU_SAVE_VERSION)
         return -EINVAL;
 
     for (i = 0; i < 16; i++) {
diff --git a/target-cris/cpu.h b/target-cris/cpu.h
index d086221d3..e45456858 100644
--- a/target-cris/cpu.h
+++ b/target-cris/cpu.h
@@ -210,6 +210,8 @@ enum {
 #define cpu_gen_code cpu_cris_gen_code
 #define cpu_signal_handler cpu_cris_signal_handler
 
+#define CPU_SAVE_VERSION 1
+
 /* MMU modes definitions */
 #define MMU_MODE0_SUFFIX _kernel
 #define MMU_MODE1_SUFFIX _user
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 285b5a750..098d5e48e 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -726,6 +726,8 @@ static inline int cpu_get_time_fast(void)
 #define cpu_signal_handler cpu_x86_signal_handler
 #define cpu_list x86_cpu_list
 
+#define CPU_SAVE_VERSION 5
+
 /* MMU modes definitions */
 #define MMU_MODE0_SUFFIX _kernel
 #define MMU_MODE1_SUFFIX _user
diff --git a/target-mips/cpu.h b/target-mips/cpu.h
index 8e21f6b4a..93c1610f1 100644
--- a/target-mips/cpu.h
+++ b/target-mips/cpu.h
@@ -489,6 +489,8 @@ void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
 #define cpu_signal_handler cpu_mips_signal_handler
 #define cpu_list mips_cpu_list
 
+#define CPU_SAVE_VERSION 3
+
 /* MMU modes definitions. We carefully match the indices with our
    hflags layout. */
 #define MMU_MODE0_SUFFIX _kernel
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index d9dcf58ef..4e1f2f14f 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -813,6 +813,8 @@ int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val);
 #define cpu_signal_handler cpu_ppc_signal_handler
 #define cpu_list ppc_cpu_list
 
+#define CPU_SAVE_VERSION 3
+
 /* MMU modes definitions */
 #define MMU_MODE0_SUFFIX _user
 #define MMU_MODE1_SUFFIX _kernel
diff --git a/target-sparc/cpu.h b/target-sparc/cpu.h
index 03bc2dfd0..34a20cd2a 100644
--- a/target-sparc/cpu.h
+++ b/target-sparc/cpu.h
@@ -388,6 +388,8 @@ void cpu_check_irqs(CPUSPARCState *env);
 #define cpu_signal_handler cpu_sparc_signal_handler
 #define cpu_list sparc_cpu_list
 
+#define CPU_SAVE_VERSION 4
+
 /* MMU modes definitions */
 #define MMU_MODE0_SUFFIX _user
 #define MMU_MODE1_SUFFIX _kernel