diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index 82503a4..c86793c 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -1562,24 +1562,24 @@
 #define SPR_BOOKE_DCDBTRH     (0x39D)
 #define SPR_BOOKE_ICDBTRL     (0x39E)
 #define SPR_BOOKE_ICDBTRH     (0x39F)
-#define SPR_UMMCR2            (0x3A0)
-#define SPR_UPMC5             (0x3A1)
-#define SPR_UPMC6             (0x3A2)
+#define SPR_74XX_UMMCR2       (0x3A0)
+#define SPR_7XX_UPMC5         (0x3A1)
+#define SPR_7XX_UPMC6         (0x3A2)
 #define SPR_UBAMR             (0x3A7)
-#define SPR_UMMCR0            (0x3A8)
-#define SPR_UPMC1             (0x3A9)
-#define SPR_UPMC2             (0x3AA)
-#define SPR_USIAR             (0x3AB)
-#define SPR_UMMCR1            (0x3AC)
-#define SPR_UPMC3             (0x3AD)
-#define SPR_UPMC4             (0x3AE)
+#define SPR_7XX_UMMCR0        (0x3A8)
+#define SPR_7XX_UPMC1         (0x3A9)
+#define SPR_7XX_UPMC2         (0x3AA)
+#define SPR_7XX_USIAR         (0x3AB)
+#define SPR_7XX_UMMCR1        (0x3AC)
+#define SPR_7XX_UPMC3         (0x3AD)
+#define SPR_7XX_UPMC4         (0x3AE)
 #define SPR_USDA              (0x3AF)
 #define SPR_40x_ZPR           (0x3B0)
 #define SPR_BOOKE_MAS7        (0x3B0)
-#define SPR_MMCR2             (0x3B0)
-#define SPR_PMC5              (0x3B1)
+#define SPR_74XX_MMCR2        (0x3B0)
+#define SPR_7XX_PMC5          (0x3B1)
 #define SPR_40x_PID           (0x3B1)
-#define SPR_PMC6              (0x3B2)
+#define SPR_7XX_PMC6          (0x3B2)
 #define SPR_440_MMUCR         (0x3B2)
 #define SPR_4xx_CCR0          (0x3B3)
 #define SPR_BOOKE_EPLC        (0x3B3)
@@ -1589,19 +1589,19 @@
 #define SPR_405_DVC1          (0x3B6)
 #define SPR_405_DVC2          (0x3B7)
 #define SPR_BAMR              (0x3B7)
-#define SPR_MMCR0             (0x3B8)
-#define SPR_PMC1              (0x3B9)
+#define SPR_7XX_MMCR0         (0x3B8)
+#define SPR_7XX_PMC1          (0x3B9)
 #define SPR_40x_SGR           (0x3B9)
-#define SPR_PMC2              (0x3BA)
+#define SPR_7XX_PMC2          (0x3BA)
 #define SPR_40x_DCWR          (0x3BA)
-#define SPR_SIAR              (0x3BB)
+#define SPR_7XX_SIAR          (0x3BB)
 #define SPR_405_SLER          (0x3BB)
-#define SPR_MMCR1             (0x3BC)
+#define SPR_7XX_MMCR1         (0x3BC)
 #define SPR_405_SU0R          (0x3BC)
 #define SPR_401_SKR           (0x3BC)
-#define SPR_PMC3              (0x3BD)
+#define SPR_7XX_PMC3          (0x3BD)
 #define SPR_405_DBCR1         (0x3BD)
-#define SPR_PMC4              (0x3BE)
+#define SPR_7XX_PMC4          (0x3BE)
 #define SPR_SDA               (0x3BF)
 #define SPR_403_VTBL          (0x3CC)
 #define SPR_403_VTBU          (0x3CD)
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index d764bbd..fa137af 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -953,72 +953,72 @@
                  0x00000000);
     /* Performance monitors */
     /* XXX : not implemented */
-    spr_register(env, SPR_MMCR0, "MMCR0",
+    spr_register(env, SPR_7XX_MMCR0, "MMCR0",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_MMCR1, "MMCR1",
+    spr_register(env, SPR_7XX_MMCR1, "MMCR1",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC1, "PMC1",
+    spr_register(env, SPR_7XX_PMC1, "PMC1",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC2, "PMC2",
+    spr_register(env, SPR_7XX_PMC2, "PMC2",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC3, "PMC3",
+    spr_register(env, SPR_7XX_PMC3, "PMC3",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC4, "PMC4",
+    spr_register(env, SPR_7XX_PMC4, "PMC4",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_SIAR, "SIAR",
+    spr_register(env, SPR_7XX_SIAR, "SIAR",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, SPR_NOACCESS,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UMMCR0, "UMMCR0",
+    spr_register(env, SPR_7XX_UMMCR0, "UMMCR0",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UMMCR1, "UMMCR1",
+    spr_register(env, SPR_7XX_UMMCR1, "UMMCR1",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UPMC1, "UPMC1",
+    spr_register(env, SPR_7XX_UPMC1, "UPMC1",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UPMC2, "UPMC2",
+    spr_register(env, SPR_7XX_UPMC2, "UPMC2",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UPMC3, "UPMC3",
+    spr_register(env, SPR_7XX_UPMC3, "UPMC3",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UPMC4, "UPMC4",
+    spr_register(env, SPR_7XX_UPMC4, "UPMC4",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_USIAR, "USIAR",
+    spr_register(env, SPR_7XX_USIAR, "USIAR",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
@@ -1119,22 +1119,22 @@
                      KVM_REG_PPC_DABR, 0x00000000);
     /* Performance counters */
     /* XXX : not implemented */
-    spr_register(env, SPR_MMCR0, "MMCR0",
+    spr_register(env, SPR_7XX_MMCR0, "MMCR0",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC1, "PMC1",
+    spr_register(env, SPR_7XX_PMC1, "PMC1",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC2, "PMC2",
+    spr_register(env, SPR_7XX_PMC2, "PMC2",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_SIAR, "SIAR",
+    spr_register(env, SPR_7XX_SIAR, "SIAR",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, SPR_NOACCESS,
                  0x00000000);
@@ -1354,12 +1354,12 @@
                  &spr_read_generic, &spr_write_pir,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_MMCR2, "MMCR2",
+    spr_register(env, SPR_74XX_MMCR2, "MMCR2",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UMMCR2, "UMMCR2",
+    spr_register(env, SPR_74XX_UMMCR2, "UMMCR2",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
@@ -5436,17 +5436,17 @@
     gen_spr_ne_601(env);
     gen_spr_604(env);
     /* XXX : not implemented */
-    spr_register(env, SPR_MMCR1, "MMCR1",
+    spr_register(env, SPR_7XX_MMCR1, "MMCR1",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC3, "PMC3",
+    spr_register(env, SPR_7XX_PMC3, "PMC3",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC4, "PMC4",
+    spr_register(env, SPR_7XX_PMC4, "PMC4",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
@@ -6475,22 +6475,22 @@
                  0x00000000);
     /* PMC */
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC5, "PMC5",
+    spr_register(env, SPR_7XX_PMC5, "PMC5",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UPMC5, "UPMC5",
+    spr_register(env, SPR_7XX_UPMC5, "UPMC5",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC6, "PMC6",
+    spr_register(env, SPR_7XX_PMC6, "PMC6",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UPMC6, "UPMC6",
+    spr_register(env, SPR_7XX_UPMC6, "UPMC6",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
@@ -6608,22 +6608,22 @@
                  0x00000000);
     /* PMC */
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC5, "PMC5",
+    spr_register(env, SPR_7XX_PMC5, "PMC5",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UPMC5, "UPMC5",
+    spr_register(env, SPR_7XX_UPMC5, "UPMC5",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC6, "PMC6",
+    spr_register(env, SPR_7XX_PMC6, "PMC6",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UPMC6, "UPMC6",
+    spr_register(env, SPR_7XX_UPMC6, "UPMC6",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
@@ -6710,22 +6710,22 @@
                  0x00000000);
     /* PMC */
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC5, "PMC5",
+    spr_register(env, SPR_7XX_PMC5, "PMC5",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UPMC5, "UPMC5",
+    spr_register(env, SPR_7XX_UPMC5, "UPMC5",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC6, "PMC6",
+    spr_register(env, SPR_7XX_PMC6, "PMC6",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UPMC6, "UPMC6",
+    spr_register(env, SPR_7XX_UPMC6, "UPMC6",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
@@ -6848,22 +6848,22 @@
                  0x00000000);
     /* PMC */
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC5, "PMC5",
+    spr_register(env, SPR_7XX_PMC5, "PMC5",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UPMC5, "UPMC5",
+    spr_register(env, SPR_7XX_UPMC5, "UPMC5",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC6, "PMC6",
+    spr_register(env, SPR_7XX_PMC6, "PMC6",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UPMC6, "UPMC6",
+    spr_register(env, SPR_7XX_UPMC6, "UPMC6",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
@@ -7010,22 +7010,22 @@
                  0x00000000);
     /* PMC */
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC5, "PMC5",
+    spr_register(env, SPR_7XX_PMC5, "PMC5",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UPMC5, "UPMC5",
+    spr_register(env, SPR_7XX_UPMC5, "UPMC5",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC6, "PMC6",
+    spr_register(env, SPR_7XX_PMC6, "PMC6",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UPMC6, "UPMC6",
+    spr_register(env, SPR_7XX_UPMC6, "UPMC6",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
@@ -7147,22 +7147,22 @@
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC5, "PMC5",
+    spr_register(env, SPR_7XX_PMC5, "PMC5",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UPMC5, "UPMC5",
+    spr_register(env, SPR_7XX_UPMC5, "UPMC5",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_PMC6, "PMC6",
+    spr_register(env, SPR_7XX_PMC6, "PMC6",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
     /* XXX : not implemented */
-    spr_register(env, SPR_UPMC6, "UPMC6",
+    spr_register(env, SPR_7XX_UPMC6, "UPMC6",
                  &spr_read_ureg, SPR_NOACCESS,
                  &spr_read_ureg, SPR_NOACCESS,
                  0x00000000);
@@ -7783,11 +7783,11 @@
                      SPR_NOACCESS, SPR_NOACCESS,
                      &spr_read_generic, &spr_write_generic,
                      KVM_REG_PPC_MMCRA, 0x00000000);
-    spr_register_kvm(env, SPR_PMC5, "SPR_PMC5",
+    spr_register_kvm(env, SPR_7XX_PMC5, "SPR_7XX_PMC5",
                      SPR_NOACCESS, SPR_NOACCESS,
                      &spr_read_generic, &spr_write_generic,
                      KVM_REG_PPC_PMC5, 0x00000000);
-    spr_register_kvm(env, SPR_PMC6, "SPR_PMC6",
+    spr_register_kvm(env, SPR_7XX_PMC6, "SPR_7XX_PMC6",
                      SPR_NOACCESS, SPR_NOACCESS,
                      &spr_read_generic, &spr_write_generic,
                      KVM_REG_PPC_PMC6, 0x00000000);