diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index cfabf25040..4c6b462cad 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -67,35 +67,15 @@ static inline void vscr_init(CPUPPCState *env, uint32_t val)
  * may be compiled out, and the system kvm header may not be available
  * for supplying the ID numbers.  This is ugly, but the best we can do.
  */
-
-#ifdef CONFIG_TCG
-# define USR_ARG(X)    X,
-# ifdef CONFIG_USER_ONLY
-#  define SYS_ARG(X)
-# else
-#  define SYS_ARG(X)   X,
-# endif
-#else
-# define USR_ARG(X)
-# define SYS_ARG(X)
-#endif
-#ifdef CONFIG_KVM
-# define KVM_ARG(X)    X,
-#else
-# define KVM_ARG(X)
-#endif
-
-typedef void spr_callback(DisasContext *, int, int);
-
-static void _spr_register(CPUPPCState *env, int num, const char *name,
-                          USR_ARG(spr_callback *uea_read)
-                          USR_ARG(spr_callback *uea_write)
-                          SYS_ARG(spr_callback *oea_read)
-                          SYS_ARG(spr_callback *oea_write)
-                          SYS_ARG(spr_callback *hea_read)
-                          SYS_ARG(spr_callback *hea_write)
-                          KVM_ARG(uint64_t one_reg_id)
-                          target_ulong initial_value)
+void _spr_register(CPUPPCState *env, int num, const char *name,
+                   USR_ARG(spr_callback *uea_read)
+                   USR_ARG(spr_callback *uea_write)
+                   SYS_ARG(spr_callback *oea_read)
+                   SYS_ARG(spr_callback *oea_write)
+                   SYS_ARG(spr_callback *hea_read)
+                   SYS_ARG(spr_callback *hea_write)
+                   KVM_ARG(uint64_t one_reg_id)
+                   target_ulong initial_value)
 {
     ppc_spr_t *spr = &env->spr_cb[num];
 
@@ -122,33 +102,6 @@ static void _spr_register(CPUPPCState *env, int num, const char *name,
 #endif
 }
 
-/* spr_register_kvm_hv passes all required arguments. */
-#define spr_register_kvm_hv(env, num, name, uea_read, uea_write,             \
-                            oea_read, oea_write, hea_read, hea_write,        \
-                            one_reg_id, initial_value)                       \
-    _spr_register(env, num, name,                                            \
-                  USR_ARG(uea_read) USR_ARG(uea_write)                       \
-                  SYS_ARG(oea_read) SYS_ARG(oea_write)                       \
-                  SYS_ARG(hea_read) SYS_ARG(hea_write)                       \
-                  KVM_ARG(one_reg_id) initial_value)
-
-/* spr_register_kvm duplicates the oea callbacks to the hea callbacks. */
-#define spr_register_kvm(env, num, name, uea_read, uea_write,                \
-                         oea_read, oea_write, one_reg_id, ival)              \
-    spr_register_kvm_hv(env, num, name, uea_read, uea_write, oea_read,       \
-                        oea_write, oea_read, oea_write, one_reg_id, ival)
-
-/* spr_register_hv and spr_register are similar, except there is no kvm id. */
-#define spr_register_hv(env, num, name, uea_read, uea_write,                 \
-                        oea_read, oea_write, hea_read, hea_write, ival)      \
-    spr_register_kvm_hv(env, num, name, uea_read, uea_write, oea_read,       \
-                        oea_write, hea_read, hea_write, 0, ival)
-
-#define spr_register(env, num, name, uea_read, uea_write,                    \
-                     oea_read, oea_write, ival)                              \
-    spr_register_kvm(env, num, name, uea_read, uea_write,                    \
-                     oea_read, oea_write, 0, ival)
-
 /* Generic PowerPC SPRs */
 static void register_generic_sprs(PowerPCCPU *cpu)
 {
diff --git a/target/ppc/spr_common.h b/target/ppc/spr_common.h
index 329b7e91a2..a243c14a11 100644
--- a/target/ppc/spr_common.h
+++ b/target/ppc/spr_common.h
@@ -21,6 +21,62 @@
 
 #define SPR_NOACCESS (&spr_noaccess)
 
+#ifdef CONFIG_TCG
+# define USR_ARG(X)    X,
+# ifdef CONFIG_USER_ONLY
+#  define SYS_ARG(X)
+# else
+#  define SYS_ARG(X)   X,
+# endif
+#else
+# define USR_ARG(X)
+# define SYS_ARG(X)
+#endif
+#ifdef CONFIG_KVM
+# define KVM_ARG(X)    X,
+#else
+# define KVM_ARG(X)
+#endif
+
+typedef void spr_callback(DisasContext *, int, int);
+
+void _spr_register(CPUPPCState *env, int num, const char *name,
+                   USR_ARG(spr_callback *uea_read)
+                   USR_ARG(spr_callback *uea_write)
+                   SYS_ARG(spr_callback *oea_read)
+                   SYS_ARG(spr_callback *oea_write)
+                   SYS_ARG(spr_callback *hea_read)
+                   SYS_ARG(spr_callback *hea_write)
+                   KVM_ARG(uint64_t one_reg_id)
+                   target_ulong initial_value);
+
+/* spr_register_kvm_hv passes all required arguments. */
+#define spr_register_kvm_hv(env, num, name, uea_read, uea_write,             \
+                            oea_read, oea_write, hea_read, hea_write,        \
+                            one_reg_id, initial_value)                       \
+    _spr_register(env, num, name,                                            \
+                  USR_ARG(uea_read) USR_ARG(uea_write)                       \
+                  SYS_ARG(oea_read) SYS_ARG(oea_write)                       \
+                  SYS_ARG(hea_read) SYS_ARG(hea_write)                       \
+                  KVM_ARG(one_reg_id) initial_value)
+
+/* spr_register_kvm duplicates the oea callbacks to the hea callbacks. */
+#define spr_register_kvm(env, num, name, uea_read, uea_write,                \
+                         oea_read, oea_write, one_reg_id, ival)              \
+    spr_register_kvm_hv(env, num, name, uea_read, uea_write, oea_read,       \
+                        oea_write, oea_read, oea_write, one_reg_id, ival)
+
+/* spr_register_hv and spr_register are similar, except there is no kvm id. */
+#define spr_register_hv(env, num, name, uea_read, uea_write,                 \
+                        oea_read, oea_write, hea_read, hea_write, ival)      \
+    spr_register_kvm_hv(env, num, name, uea_read, uea_write, oea_read,       \
+                        oea_write, hea_read, hea_write, 0, ival)
+
+#define spr_register(env, num, name, uea_read, uea_write,                    \
+                     oea_read, oea_write, ival)                              \
+    spr_register_kvm(env, num, name, uea_read, uea_write,                    \
+                     oea_read, oea_write, 0, ival)
+
 /* prototypes for readers and writers for SPRs */
 void spr_noaccess(DisasContext *ctx, int gprn, int sprn);
 void spr_read_generic(DisasContext *ctx, int gprn, int sprn);
