target-ppc: Add POWER8's MMCR2/MMCRS SPRs

This adds POWER8 specific PMU MMCR2/MMCRS SPRs.
Signed-off-by: NAlexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: NTom Musta <tommusta@gmail.com>
Signed-off-by: NAlexander Graf <agraf@suse.de>

target-ppc/cpu.h

@@ -1476,6 +1476,7 @@ static inline int cpu_mmu_index (CPUPPCState *env)
 #define SPR_MPC_MI_CTR        (0x300)
 #define SPR_PERF1             (0x301)
 #define SPR_RCPU_MI_RBA1      (0x301)
+#define SPR_POWER_UMMCR2      (0x301)
 #define SPR_PERF2             (0x302)
 #define SPR_RCPU_MI_RBA2      (0x302)
 #define SPR_MPC_MI_AP         (0x302)
@@ -1523,6 +1524,7 @@ static inline int cpu_mmu_index (CPUPPCState *env)
 #define SPR_MPC_MD_TW         (0x30F)
 #define SPR_UPERF0            (0x310)
 #define SPR_UPERF1            (0x311)
+#define SPR_POWER_MMCR2       (0x311)
 #define SPR_UPERF2            (0x312)
 #define SPR_POWER_MMCRA       (0X312)
 #define SPR_UPERF3            (0x313)
@@ -1575,6 +1577,7 @@ static inline int cpu_mmu_index (CPUPPCState *env)
 #define SPR_440_ITV3          (0x377)
 #define SPR_440_CCR1          (0x378)
 #define SPR_DCRIPR            (0x37B)
+#define SPR_POWER_MMCRS       (0x37E)
 #define SPR_PPR               (0x380)
 #define SPR_750_GQR0          (0x390)
 #define SPR_440_DNV0          (0x390)

target-ppc/translate_init.c

@@ -7507,6 +7507,26 @@ static void gen_spr_970_pmu_user(CPUPPCState *env)
                  0x00000000);
 }
 
+static void gen_spr_power8_pmu_sup(CPUPPCState *env)
+{
+    spr_register_kvm(env, SPR_POWER_MMCR2, "MMCR2",
+                     SPR_NOACCESS, SPR_NOACCESS,
+                     &spr_read_generic, &spr_write_generic,
+                     KVM_REG_PPC_MMCR2, 0x00000000);
+    spr_register_kvm(env, SPR_POWER_MMCRS, "MMCRS",
+                     SPR_NOACCESS, SPR_NOACCESS,
+                     &spr_read_generic, &spr_write_generic,
+                     KVM_REG_PPC_MMCRS, 0x00000000);
+}
+
+static void gen_spr_power8_pmu_user(CPUPPCState *env)
+{
+    spr_register(env, SPR_POWER_UMMCR2, "UMMCR2",
+                 &spr_read_ureg, SPR_NOACCESS,
+                 &spr_read_ureg, &spr_write_ureg,
+                 0x00000000);
+}
+
 static void gen_spr_power5p_ear(CPUPPCState *env)
 {
     /* External access control */
@@ -7673,6 +7693,8 @@ static void init_proc_book3s_64(CPUPPCState *env, int version)
         gen_spr_power8_tce_address_control(env);
         gen_spr_power8_ids(env);
         gen_spr_power8_fscr(env);
+        gen_spr_power8_pmu_sup(env);
+        gen_spr_power8_pmu_user(env);
     }
 #if !defined(CONFIG_USER_ONLY)
     switch (version) {