Merge remote-tracking branch 'remotes/legoater/tags/pull-ppc-20220210' into staging

ppc-7.0 queue

* Exception model rework (Fabiano)
* Unused CPU models removal (Fabiano and Cédric)
* Fix for VOF installation (Alexey)
* Misc fixes

# gpg: Signature made Thu 10 Feb 2022 12:59:07 GMT
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* remotes/legoater/tags/pull-ppc-20220210: (42 commits)
  spapr/vof: Install rom and nvram binaries
  docs: rstfy confidential guest documentation
  target/ppc: Change VSX instructions behavior to fill with zeros
  target/ppc: books: Remove excp_model argument from ppc_excp_apply_ail
  target/ppc: Assert if MSR bits differ from msr_mask during exceptions
  target/ppc: powerpc_excp: Move common code to the caller function
  target/ppc: Remove powerpc_excp_legacy
  target/ppc: 7xx: Set SRRs directly in exception code
  target/ppc: 7xx: Software TLB cleanup
  target/ppc: 7xx: System Reset cleanup
  target/ppc: 7xx: System Call exception cleanup
  target/ppc: 7xx: Program exception cleanup
  target/ppc: 7xx: External interrupt cleanup
  target/ppc: 7xx: Machine Check exception cleanup
  target/ppc: Simplify powerpc_excp_7xx
  target/ppc: Introduce powerpc_excp_7xx
  target/ppc: Merge 7x5 and 7x0 exception model IDs
  target/ppc: 6xx: Set SRRs directly in exception code
  target/ppc: 6xx: Software TLB exceptions cleanup
  target/ppc: 6xx: System Reset interrupt cleanup
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

22 files changed, 521 insertions, 2150 deletions

diff --git a/target/ppc/cpu-models.c b/target/ppc/cpu-models.c
index a2c720c..976be5e 100644
--- a/target/ppc/cpu-models.c
+++ b/target/ppc/cpu-models.c
@@ -422,12 +422,6 @@
                     CPU_POWERPC_MPC8641D,     POWERPC_SVR_8641D,     e600)
     /* 32 bits "classic" PowerPC                                             */
     /* PowerPC 6xx family                                                    */
-    POWERPC_DEF("601_v0",        CPU_POWERPC_601_v0,                 601,
-                "PowerPC 601v0")
-    POWERPC_DEF("601_v1",        CPU_POWERPC_601_v1,                 601,
-                "PowerPC 601v1")
-    POWERPC_DEF("601_v2",        CPU_POWERPC_601_v2,                 601v,
-                "PowerPC 601v2")
     POWERPC_DEF("603",           CPU_POWERPC_603,                    603,
                 "PowerPC 603")
     POWERPC_DEF("603e_v1.1",     CPU_POWERPC_603E_v11,               603E,
@@ -859,8 +853,6 @@ PowerPCCPUAlias ppc_cpu_aliases[] = {
     { "mpc8555", "mpc8555_v11" },
     { "mpc8555e", "mpc8555e_v11" },
     { "mpc8560", "mpc8560_v21" },
-    { "601",  "601_v2" },
-    { "601v", "601_v2" },
     { "vanilla", "603" },
     { "603e", "603e_v4.1" },
     { "stretch", "603e_v4.1" },
diff --git a/target/ppc/cpu-models.h b/target/ppc/cpu-models.h
index 612978a..76775a7 100644
--- a/target/ppc/cpu-models.h
+++ b/target/ppc/cpu-models.h
@@ -205,9 +205,6 @@ enum {
 #define CPU_POWERPC_MPC8641          CPU_POWERPC_e600
 #define CPU_POWERPC_MPC8641D         CPU_POWERPC_e600
     /* PowerPC 6xx cores */
-    CPU_POWERPC_601_v0             = 0x00010001,
-    CPU_POWERPC_601_v1             = 0x00010001,
-    CPU_POWERPC_601_v2             = 0x00010002,
     CPU_POWERPC_603                = 0x00030100,
     CPU_POWERPC_603E_v11           = 0x00060101,
     CPU_POWERPC_603E_v12           = 0x00060102,
diff --git a/target/ppc/cpu-qom.h b/target/ppc/cpu-qom.h
index 99a6b50..98facee 100644
--- a/target/ppc/cpu-qom.h
+++ b/target/ppc/cpu-qom.h
@@ -61,8 +61,6 @@ enum powerpc_mmu_t {
     POWERPC_MMU_BOOKE      = 0x00000008,
     /* BookE 2.06 MMU model                                    */
     POWERPC_MMU_BOOKE206   = 0x00000009,
-    /* PowerPC 601 MMU model (specific BATs format)            */
-    POWERPC_MMU_601        = 0x0000000A,
 #define POWERPC_MMU_64       0x00010000
     /* 64 bits PowerPC MMU                                     */
     POWERPC_MMU_64B        = POWERPC_MMU_64 | 0x00000001,
@@ -90,20 +88,10 @@ enum powerpc_excp_t {
     POWERPC_EXCP_STD,
     /* PowerPC 40x exception model      */
     POWERPC_EXCP_40x,
-    /* PowerPC 601 exception model      */
-    POWERPC_EXCP_601,
-    /* PowerPC 602 exception model      */
-    POWERPC_EXCP_602,
-    /* PowerPC 603 exception model      */
-    POWERPC_EXCP_603,
-    /* PowerPC G2 exception model       */
-    POWERPC_EXCP_G2,
-    /* PowerPC 604 exception model      */
-    POWERPC_EXCP_604,
-    /* PowerPC 7x0 exception model      */
-    POWERPC_EXCP_7x0,
-    /* PowerPC 7x5 exception model      */
-    POWERPC_EXCP_7x5,
+    /* PowerPC 603/604/G2 exception model */
+    POWERPC_EXCP_6xx,
+    /* PowerPC 7xx exception model      */
+    POWERPC_EXCP_7xx,
     /* PowerPC 74xx exception model     */
     POWERPC_EXCP_74xx,
     /* BookE exception model            */
diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
index dcd83b5..555c6b9 100644
--- a/target/ppc/cpu.h
+++ b/target/ppc/cpu.h
@@ -89,11 +89,9 @@ enum {
     POWERPC_EXCP_VPU      = 73, /* Vector unavailable exception              */
     /* 40x specific exceptions                                               */
     POWERPC_EXCP_PIT      = 74, /* Programmable interval timer interrupt     */
-    /* 601 specific exceptions                                               */
-    POWERPC_EXCP_IO       = 75, /* IO error exception                        */
-    POWERPC_EXCP_RUNM     = 76, /* Run mode exception                        */
+    /* Vectors 75-76 are 601 specific exceptions                             */
     /* 602 specific exceptions                                               */
-    POWERPC_EXCP_EMUL     = 77, /* Emulation trap exception                  */
+    POWERPC_EXCP_EMUL      = 77, /* Emulation trap exception                 */
     /* 602/603 specific exceptions                                           */
     POWERPC_EXCP_IFTLB    = 78, /* Instruction fetch TLB miss                */
     POWERPC_EXCP_DLTLB    = 79, /* Data load TLB miss                        */
@@ -632,8 +630,7 @@ enum {
     POWERPC_FLAG_PX       = 0x00000200,
     POWERPC_FLAG_PMM      = 0x00000400,
     /* Flag for special features                                             */
-    /* Decrementer clock: RTC clock (POWER, 601) or bus clock                */
-    POWERPC_FLAG_RTC_CLK  = 0x00010000,
+    /* Decrementer clock                                                     */
     POWERPC_FLAG_BUS_CLK  = 0x00020000,
     /* Has CFAR                                                              */
     POWERPC_FLAG_CFAR     = 0x00040000,
@@ -643,8 +640,6 @@ enum {
     POWERPC_FLAG_TM       = 0x00100000,
     /* Has SCV (ISA 3.00)                                                    */
     POWERPC_FLAG_SCV      = 0x00200000,
-    /* Has HID0 for LE bit (601)                                             */
-    POWERPC_FLAG_HID0_LE  = 0x00400000,
 };
 
 /*
@@ -655,7 +650,7 @@ enum {
  * the MSR are validated in hreg_compute_hflags.
  */
 enum {
-    HFLAGS_LE = 0,   /* MSR_LE -- comes from elsewhere on 601 */
+    HFLAGS_LE = 0,   /* MSR_LE */
     HFLAGS_HV = 1,   /* computed from MSR_HV and other state */
     HFLAGS_64 = 2,   /* computed from MSR_CE and MSR_SF */
     HFLAGS_GTSE = 3, /* computed from SPR_LPCR[GTSE] */
@@ -1389,11 +1384,7 @@ void cpu_ppc_store_hdecr(CPUPPCState *env, target_ulong value);
 void cpu_ppc_store_tbu40(CPUPPCState *env, uint64_t value);
 uint64_t cpu_ppc_load_purr(CPUPPCState *env);
 void cpu_ppc_store_purr(CPUPPCState *env, uint64_t value);
-uint32_t cpu_ppc601_load_rtcl(CPUPPCState *env);
-uint32_t cpu_ppc601_load_rtcu(CPUPPCState *env);
 #if !defined(CONFIG_USER_ONLY)
-void cpu_ppc601_store_rtcl(CPUPPCState *env, uint32_t value);
-void cpu_ppc601_store_rtcu(CPUPPCState *env, uint32_t value);
 target_ulong load_40x_pit(CPUPPCState *env);
 void store_40x_pit(CPUPPCState *env, target_ulong val);
 void store_40x_dbcr0(CPUPPCState *env, uint32_t val);
@@ -1516,17 +1507,12 @@ typedef PowerPCCPU ArchCPU;
 /* SPR definitions */
 #define SPR_MQ                (0x000)
 #define SPR_XER               (0x001)
-#define SPR_601_VRTCU         (0x004)
-#define SPR_601_VRTCL         (0x005)
-#define SPR_601_UDECR         (0x006)
 #define SPR_LR                (0x008)
 #define SPR_CTR               (0x009)
 #define SPR_UAMR              (0x00D)
 #define SPR_DSCR              (0x011)
 #define SPR_DSISR             (0x012)
-#define SPR_DAR               (0x013) /* DAE for PowerPC 601 */
-#define SPR_601_RTCU          (0x014)
-#define SPR_601_RTCL          (0x015)
+#define SPR_DAR               (0x013)
 #define SPR_DECR              (0x016)
 #define SPR_SDR1              (0x019)
 #define SPR_SRR0              (0x01A)
@@ -2003,7 +1989,6 @@ typedef PowerPCCPU ArchCPU;
 #define SPR_HID1              (0x3F1)
 #define SPR_IABR              (0x3F2)
 #define SPR_40x_DBCR0         (0x3F2)
-#define SPR_601_HID2          (0x3F2)
 #define SPR_Exxx_L1CSR0       (0x3F2)
 #define SPR_ICTRL             (0x3F3)
 #define SPR_HID2              (0x3F3)
@@ -2019,7 +2004,6 @@ typedef PowerPCCPU ArchCPU;
 #define DABR_MASK (~(target_ulong)0x7)
 #define SPR_Exxx_BUCSR        (0x3F5)
 #define SPR_40x_IAC2          (0x3F5)
-#define SPR_601_HID5          (0x3F5)
 #define SPR_40x_DAC1          (0x3F6)
 #define SPR_MSSCR0            (0x3F6)
 #define SPR_970_HID5          (0x3F6)
@@ -2052,7 +2036,6 @@ typedef PowerPCCPU ArchCPU;
 #define SPR_403_PBL2          (0x3FE)
 #define SPR_PIR               (0x3FF)
 #define SPR_403_PBU2          (0x3FF)
-#define SPR_601_HID15         (0x3FF)
 #define SPR_604_HID15         (0x3FF)
 #define SPR_E500_SVR          (0x3FF)
 
@@ -2117,15 +2100,6 @@ enum {
 #define PPC_RES     PPC_INSNS_BASE
     /*   spr/msr access instructions                                         */
 #define PPC_MISC    PPC_INSNS_BASE
-    /* Deprecated instruction sets                                           */
-    /*   Original POWER instruction set                                      */
-    PPC_POWER          = 0x0000000000000002ULL,
-    /*   POWER2 instruction set extension                                    */
-    PPC_POWER2         = 0x0000000000000004ULL,
-    /*   Power RTC support                                                   */
-    PPC_POWER_RTC      = 0x0000000000000008ULL,
-    /*   Power-to-PowerPC bridge (601)                                       */
-    PPC_POWER_BR       = 0x0000000000000010ULL,
     /* 64 bits PowerPC instruction set                                       */
     PPC_64B            = 0x0000000000000020ULL,
     /*   New 64 bits extensions (PowerPC 2.0x)                               */
@@ -2236,8 +2210,7 @@ enum {
     /* popcntw and popcntd instructions                                      */
     PPC_POPCNTWD       = 0x8000000000000000ULL,
 
-#define PPC_TCG_INSNS  (PPC_INSNS_BASE | PPC_POWER | PPC_POWER2 \
-                        | PPC_POWER_RTC | PPC_POWER_BR | PPC_64B \
+#define PPC_TCG_INSNS  (PPC_INSNS_BASE | PPC_64B \
                         | PPC_64BX | PPC_64H | PPC_WAIT | PPC_MFTB \
                         | PPC_ISEL | PPC_POPCNTB \
                         | PPC_STRING | PPC_FLOAT | PPC_FLOAT_EXT \
diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index bf60529..d97f718 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -749,83 +749,6 @@ static void register_G2_sprs(CPUPPCState *env)
                  0x00000000);
 }
 
-/* SPR specific to PowerPC 601 implementation */
-static void register_601_sprs(CPUPPCState *env)
-{
-    /* Multiplication/division register */
-    /* MQ */
-    spr_register(env, SPR_MQ, "MQ",
-                 &spr_read_generic, &spr_write_generic,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
-    /* RTC registers */
-    spr_register(env, SPR_601_RTCU, "RTCU",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 SPR_NOACCESS, &spr_write_601_rtcu,
-                 0x00000000);
-    spr_register(env, SPR_601_VRTCU, "RTCU",
-                 &spr_read_601_rtcu, SPR_NOACCESS,
-                 &spr_read_601_rtcu, SPR_NOACCESS,
-                 0x00000000);
-    spr_register(env, SPR_601_RTCL, "RTCL",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 SPR_NOACCESS, &spr_write_601_rtcl,
-                 0x00000000);
-    spr_register(env, SPR_601_VRTCL, "RTCL",
-                 &spr_read_601_rtcl, SPR_NOACCESS,
-                 &spr_read_601_rtcl, SPR_NOACCESS,
-                 0x00000000);
-    /* Timer */
-#if 0 /* ? */
-    spr_register(env, SPR_601_UDECR, "UDECR",
-                 &spr_read_decr, SPR_NOACCESS,
-                 &spr_read_decr, SPR_NOACCESS,
-                 0x00000000);
-#endif
-    /* External access control */
-    /* XXX : not implemented */
-    spr_register(env, SPR_EAR, "EAR",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
-    /* Memory management */
-#if !defined(CONFIG_USER_ONLY)
-    spr_register(env, SPR_IBAT0U, "IBAT0U",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_601_ubat, &spr_write_601_ubatu,
-                 0x00000000);
-    spr_register(env, SPR_IBAT0L, "IBAT0L",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_601_ubat, &spr_write_601_ubatl,
-                 0x00000000);
-    spr_register(env, SPR_IBAT1U, "IBAT1U",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_601_ubat, &spr_write_601_ubatu,
-                 0x00000000);
-    spr_register(env, SPR_IBAT1L, "IBAT1L",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_601_ubat, &spr_write_601_ubatl,
-                 0x00000000);
-    spr_register(env, SPR_IBAT2U, "IBAT2U",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_601_ubat, &spr_write_601_ubatu,
-                 0x00000000);
-    spr_register(env, SPR_IBAT2L, "IBAT2L",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_601_ubat, &spr_write_601_ubatl,
-                 0x00000000);
-    spr_register(env, SPR_IBAT3U, "IBAT3U",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_601_ubat, &spr_write_601_ubatu,
-                 0x00000000);
-    spr_register(env, SPR_IBAT3L, "IBAT3L",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_601_ubat, &spr_write_601_ubatl,
-                 0x00000000);
-    env->nb_BATs = 4;
-#endif
-}
-
 static void register_74xx_sprs(CPUPPCState *env)
 {
     /* Processor identification */
@@ -2060,26 +1983,6 @@ static void init_excp_BookE(CPUPPCState *env)
 #endif
 }
 
-static void init_excp_601(CPUPPCState *env)
-{
-#if !defined(CONFIG_USER_ONLY)
-    env->excp_vectors[POWERPC_EXCP_RESET]    = 0x00000100;
-    env->excp_vectors[POWERPC_EXCP_MCHECK]   = 0x00000200;
-    env->excp_vectors[POWERPC_EXCP_DSI]      = 0x00000300;
-    env->excp_vectors[POWERPC_EXCP_ISI]      = 0x00000400;
-    env->excp_vectors[POWERPC_EXCP_EXTERNAL] = 0x00000500;
-    env->excp_vectors[POWERPC_EXCP_ALIGN]    = 0x00000600;
-    env->excp_vectors[POWERPC_EXCP_PROGRAM]  = 0x00000700;
-    env->excp_vectors[POWERPC_EXCP_FPU]      = 0x00000800;
-    env->excp_vectors[POWERPC_EXCP_DECR]     = 0x00000900;
-    env->excp_vectors[POWERPC_EXCP_IO]       = 0x00000A00;
-    env->excp_vectors[POWERPC_EXCP_SYSCALL]  = 0x00000C00;
-    env->excp_vectors[POWERPC_EXCP_RUNM]     = 0x00002000;
-    /* Hardware reset vector */
-    env->hreset_vector = 0x00000100UL;
-#endif
-}
-
 static void init_excp_603(CPUPPCState *env)
 {
 #if !defined(CONFIG_USER_ONLY)
@@ -2703,89 +2606,6 @@ POWERPC_FAMILY(440GP)(ObjectClass *oc, void *data)
                  POWERPC_FLAG_DE | POWERPC_FLAG_BUS_CLK;
 }
 
-static void init_proc_440x4(CPUPPCState *env)
-{
-    /* Time base */
-    register_tbl(env);
-    register_BookE_sprs(env, 0x000000000000FFFFULL);
-    register_440_sprs(env);
-    register_usprgh_sprs(env);
-    /* Processor identification */
-    spr_register(env, SPR_BOOKE_PIR, "PIR",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_pir,
-                 0x00000000);
-    /* XXX : not implemented */
-    spr_register(env, SPR_BOOKE_IAC3, "IAC3",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
-    /* XXX : not implemented */
-    spr_register(env, SPR_BOOKE_IAC4, "IAC4",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
-    /* XXX : not implemented */
-    spr_register(env, SPR_BOOKE_DVC1, "DVC1",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
-    /* XXX : not implemented */
-    spr_register(env, SPR_BOOKE_DVC2, "DVC2",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
-    /* Memory management */
-#if !defined(CONFIG_USER_ONLY)
-    env->nb_tlb = 64;
-    env->nb_ways = 1;
-    env->id_tlbs = 0;
-    env->tlb_type = TLB_EMB;
-#endif
-    init_excp_BookE(env);
-    env->dcache_line_size = 32;
-    env->icache_line_size = 32;
-    /* XXX: TODO: allocate internal IRQ controller */
-
-    SET_FIT_PERIOD(12, 16, 20, 24);
-    SET_WDT_PERIOD(20, 24, 28, 32);
-}
-
-POWERPC_FAMILY(440x4)(ObjectClass *oc, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(oc);
-    PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc);
-
-    dc->desc = "PowerPC 440x4";
-    pcc->init_proc = init_proc_440x4;
-    pcc->check_pow = check_pow_nocheck;
-    pcc->insns_flags = PPC_INSNS_BASE | PPC_STRING |
-                       PPC_DCR | PPC_WRTEE |
-                       PPC_CACHE | PPC_CACHE_ICBI |
-                       PPC_CACHE_DCBZ | PPC_CACHE_DCBA |
-                       PPC_MEM_TLBSYNC | PPC_MFTB |
-                       PPC_BOOKE | PPC_4xx_COMMON | PPC_405_MAC |
-                       PPC_440_SPEC;
-    pcc->msr_mask = (1ull << MSR_POW) |
-                    (1ull << MSR_CE) |
-                    (1ull << MSR_EE) |
-                    (1ull << MSR_PR) |
-                    (1ull << MSR_FP) |
-                    (1ull << MSR_ME) |
-                    (1ull << MSR_FE0) |
-                    (1ull << MSR_DWE) |
-                    (1ull << MSR_DE) |
-                    (1ull << MSR_FE1) |
-                    (1ull << MSR_IR) |
-                    (1ull << MSR_DR);
-    pcc->mmu_model = POWERPC_MMU_BOOKE;
-    pcc->excp_model = POWERPC_EXCP_BOOKE;
-    pcc->bus_model = PPC_FLAGS_INPUT_BookE;
-    pcc->bfd_mach = bfd_mach_ppc_403;
-    pcc->flags = POWERPC_FLAG_CE | POWERPC_FLAG_DWE |
-                 POWERPC_FLAG_DE | POWERPC_FLAG_BUS_CLK;
-}
-
 static void init_proc_440x5(CPUPPCState *env)
 {
     /* Time base */
@@ -2962,7 +2782,7 @@ POWERPC_FAMILY(MPC5xx)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_REAL;
-    pcc->excp_model = POWERPC_EXCP_603;
+    pcc->excp_model = POWERPC_EXCP_6xx;
     pcc->bus_model = PPC_FLAGS_INPUT_RCPU;
     pcc->bfd_mach = bfd_mach_ppc_505;
     pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_BE |
@@ -3005,7 +2825,7 @@ POWERPC_FAMILY(MPC8xx)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_MPC8xx;
-    pcc->excp_model = POWERPC_EXCP_603;
+    pcc->excp_model = POWERPC_EXCP_6xx;
     pcc->bus_model = PPC_FLAGS_INPUT_RCPU;
     pcc->bfd_mach = bfd_mach_ppc_860;
     pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_BE |
@@ -3086,7 +2906,7 @@ POWERPC_FAMILY(G2)(ObjectClass *oc, void *data)
                     (1ull << MSR_DR) |
                     (1ull << MSR_RI);
     pcc->mmu_model = POWERPC_MMU_SOFT_6xx;
-    pcc->excp_model = POWERPC_EXCP_G2;
+    pcc->excp_model = POWERPC_EXCP_6xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_ec603e;
     pcc->flags = POWERPC_FLAG_TGPR | POWERPC_FLAG_SE |
@@ -3168,7 +2988,7 @@ POWERPC_FAMILY(G2LE)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_SOFT_6xx;
-    pcc->excp_model = POWERPC_EXCP_G2;
+    pcc->excp_model = POWERPC_EXCP_6xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_ec603e;
     pcc->flags = POWERPC_FLAG_TGPR | POWERPC_FLAG_SE |
@@ -3423,7 +3243,7 @@ POWERPC_FAMILY(e300)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_SOFT_6xx;
-    pcc->excp_model = POWERPC_EXCP_603;
+    pcc->excp_model = POWERPC_EXCP_6xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_603;
     pcc->flags = POWERPC_FLAG_TGPR | POWERPC_FLAG_SE |
@@ -3892,120 +3712,6 @@ POWERPC_FAMILY(e6500)(ObjectClass *oc, void *data)
 #endif
 
 /* Non-embedded PowerPC                                                      */
-
-#define POWERPC_MSRR_601     (0x0000000000001040ULL)
-
-static void init_proc_601(CPUPPCState *env)
-{
-    register_ne_601_sprs(env);
-    register_sdr1_sprs(env);
-    register_601_sprs(env);
-    /* Hardware implementation registers */
-    /* XXX : not implemented */
-    spr_register(env, SPR_HID0, "HID0",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_hid0_601,
-                 0x80010080);
-    /* XXX : not implemented */
-    spr_register(env, SPR_HID1, "HID1",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
-    /* XXX : not implemented */
-    spr_register(env, SPR_601_HID2, "HID2",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
-    /* XXX : not implemented */
-    spr_register(env, SPR_601_HID5, "HID5",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
-    /* Memory management */
-    init_excp_601(env);
-    /*
-     * XXX: beware that dcache line size is 64
-     *      but dcbz uses 32 bytes "sectors"
-     * XXX: this breaks clcs instruction !
-     */
-    env->dcache_line_size = 32;
-    env->icache_line_size = 64;
-    /* Allocate hardware IRQ controller */
-    ppc6xx_irq_init(env_archcpu(env));
-}
-
-POWERPC_FAMILY(601)(ObjectClass *oc, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(oc);
-    PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc);
-
-    dc->desc = "PowerPC 601";
-    pcc->init_proc = init_proc_601;
-    pcc->check_pow = check_pow_none;
-    pcc->insns_flags = PPC_INSNS_BASE | PPC_STRING | PPC_POWER_BR |
-                       PPC_FLOAT |
-                       PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ |
-                       PPC_MEM_SYNC | PPC_MEM_EIEIO | PPC_MEM_TLBIE |
-                       PPC_SEGMENT | PPC_EXTERN;
-    pcc->msr_mask = (1ull << MSR_EE) |
-                    (1ull << MSR_PR) |
-                    (1ull << MSR_FP) |
-                    (1ull << MSR_ME) |
-                    (1ull << MSR_FE0) |
-                    (1ull << MSR_SE) |
-                    (1ull << MSR_FE1) |
-                    (1ull << MSR_EP) |
-                    (1ull << MSR_IR) |
-                    (1ull << MSR_DR);
-    pcc->mmu_model = POWERPC_MMU_601;
-    pcc->excp_model = POWERPC_EXCP_601;
-    pcc->bus_model = PPC_FLAGS_INPUT_6xx;
-    pcc->bfd_mach = bfd_mach_ppc_601;
-    pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_RTC_CLK | POWERPC_FLAG_HID0_LE;
-}
-
-#define POWERPC_MSRR_601v    (0x0000000000001040ULL)
-
-static void init_proc_601v(CPUPPCState *env)
-{
-    init_proc_601(env);
-    /* XXX : not implemented */
-    spr_register(env, SPR_601_HID15, "HID15",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
-}
-
-POWERPC_FAMILY(601v)(ObjectClass *oc, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(oc);
-    PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc);
-
-    dc->desc = "PowerPC 601v";
-    pcc->init_proc = init_proc_601v;
-    pcc->check_pow = check_pow_none;
-    pcc->insns_flags = PPC_INSNS_BASE | PPC_STRING | PPC_POWER_BR |
-                       PPC_FLOAT |
-                       PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ |
-                       PPC_MEM_SYNC | PPC_MEM_EIEIO | PPC_MEM_TLBIE |
-                       PPC_SEGMENT | PPC_EXTERN;
-    pcc->msr_mask = (1ull << MSR_EE) |
-                    (1ull << MSR_PR) |
-                    (1ull << MSR_FP) |
-                    (1ull << MSR_ME) |
-                    (1ull << MSR_FE0) |
-                    (1ull << MSR_SE) |
-                    (1ull << MSR_FE1) |
-                    (1ull << MSR_EP) |
-                    (1ull << MSR_IR) |
-                    (1ull << MSR_DR);
-    pcc->mmu_model = POWERPC_MMU_601;
-    pcc->excp_model = POWERPC_EXCP_601;
-    pcc->bus_model = PPC_FLAGS_INPUT_6xx;
-    pcc->bfd_mach = bfd_mach_ppc_601;
-    pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_RTC_CLK | POWERPC_FLAG_HID0_LE;
-}
-
 static void init_proc_603(CPUPPCState *env)
 {
     register_ne_601_sprs(env);
@@ -4066,7 +3772,7 @@ POWERPC_FAMILY(603)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_SOFT_6xx;
-    pcc->excp_model = POWERPC_EXCP_603;
+    pcc->excp_model = POWERPC_EXCP_6xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_603;
     pcc->flags = POWERPC_FLAG_TGPR | POWERPC_FLAG_SE |
@@ -4105,7 +3811,7 @@ POWERPC_FAMILY(603E)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_SOFT_6xx;
-    pcc->excp_model = POWERPC_EXCP_603;
+    pcc->excp_model = POWERPC_EXCP_6xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_ec603e;
     pcc->flags = POWERPC_FLAG_TGPR | POWERPC_FLAG_SE |
@@ -4166,7 +3872,7 @@ POWERPC_FAMILY(604)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_32B;
-    pcc->excp_model = POWERPC_EXCP_604;
+    pcc->excp_model = POWERPC_EXCP_6xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_604;
     pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_BE |
@@ -4247,7 +3953,7 @@ POWERPC_FAMILY(604E)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_32B;
-    pcc->excp_model = POWERPC_EXCP_604;
+    pcc->excp_model = POWERPC_EXCP_6xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_604;
     pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_BE |
@@ -4315,7 +4021,7 @@ POWERPC_FAMILY(740)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_32B;
-    pcc->excp_model = POWERPC_EXCP_7x0;
+    pcc->excp_model = POWERPC_EXCP_7xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_750;
     pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_BE |
@@ -4392,7 +4098,7 @@ POWERPC_FAMILY(750)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_32B;
-    pcc->excp_model = POWERPC_EXCP_7x0;
+    pcc->excp_model = POWERPC_EXCP_7xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_750;
     pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_BE |
@@ -4592,7 +4298,7 @@ POWERPC_FAMILY(750cl)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_32B;
-    pcc->excp_model = POWERPC_EXCP_7x0;
+    pcc->excp_model = POWERPC_EXCP_7xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_750;
     pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_BE |
@@ -4672,7 +4378,7 @@ POWERPC_FAMILY(750cx)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_32B;
-    pcc->excp_model = POWERPC_EXCP_7x0;
+    pcc->excp_model = POWERPC_EXCP_7xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_750;
     pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_BE |
@@ -4757,7 +4463,7 @@ POWERPC_FAMILY(750fx)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_32B;
-    pcc->excp_model = POWERPC_EXCP_7x0;
+    pcc->excp_model = POWERPC_EXCP_7xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_750;
     pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_BE |
@@ -4842,7 +4548,7 @@ POWERPC_FAMILY(750gx)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_32B;
-    pcc->excp_model = POWERPC_EXCP_7x0;
+    pcc->excp_model = POWERPC_EXCP_7xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_750;
     pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_BE |
@@ -4918,7 +4624,7 @@ POWERPC_FAMILY(745)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_SOFT_6xx;
-    pcc->excp_model = POWERPC_EXCP_7x5;
+    pcc->excp_model = POWERPC_EXCP_7xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_750;
     pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_BE |
@@ -5005,7 +4711,7 @@ POWERPC_FAMILY(755)(ObjectClass *oc, void *data)
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
     pcc->mmu_model = POWERPC_MMU_SOFT_6xx;
-    pcc->excp_model = POWERPC_EXCP_7x5;
+    pcc->excp_model = POWERPC_EXCP_7xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_750;
     pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_BE |
@@ -7760,7 +7466,7 @@ static void init_ppc_proc(PowerPCCPU *cpu)
                 "Should not define POWERPC_FLAG_PX nor POWERPC_FLAG_PMM\n");
         exit(1);
     }
-    if ((env->flags & (POWERPC_FLAG_RTC_CLK | POWERPC_FLAG_BUS_CLK)) == 0) {
+    if ((env->flags & POWERPC_FLAG_BUS_CLK) == 0) {
         fprintf(stderr, "PowerPC flags inconsistency\n"
                 "Should define the time-base and decrementer clock source\n");
         exit(1);
@@ -8574,7 +8280,6 @@ void ppc_cpu_dump_state(CPUState *cs, FILE *f, int flags)
 
     switch (env->mmu_model) {
     case POWERPC_MMU_32B:
-    case POWERPC_MMU_601:
     case POWERPC_MMU_SOFT_6xx:
 #if defined(TARGET_PPC64)
     case POWERPC_MMU_64B:
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index c107953..fcc83a7 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -73,8 +73,6 @@ static const char *powerpc_excp_name(int excp)
     case POWERPC_EXCP_HISEG:    return "HISEG";
     case POWERPC_EXCP_VPU:      return "VPU";
     case POWERPC_EXCP_PIT:      return "PIT";
-    case POWERPC_EXCP_IO:       return "IO";
-    case POWERPC_EXCP_RUNM:     return "RUNM";
     case POWERPC_EXCP_EMUL:     return "EMUL";
     case POWERPC_EXCP_IFTLB:    return "IFTLB";
     case POWERPC_EXCP_DLTLB:    return "DLTLB";
@@ -165,7 +163,7 @@ static void ppc_excp_debug_sw_tlb(CPUPPCState *env, int excp)
              env->error_code);
 }
 
-
+#if defined(TARGET_PPC64)
 static int powerpc_reset_wakeup(CPUState *cs, CPUPPCState *env, int excp,
                                 target_ulong *msr)
 {
@@ -264,12 +262,10 @@ static int powerpc_reset_wakeup(CPUState *cs, CPUPPCState *env, int excp,
  * | a         | h          | 11          | 1       | 1           | h   |
  * +--------------------------------------------------------------------+
  */
-static void ppc_excp_apply_ail(PowerPCCPU *cpu, int excp_model, int excp,
-                                      target_ulong msr,
-                                      target_ulong *new_msr,
-                                      target_ulong *vector)
+static void ppc_excp_apply_ail(PowerPCCPU *cpu, int excp, target_ulong msr,
+                               target_ulong *new_msr, target_ulong *vector)
 {
-#if defined(TARGET_PPC64)
+    PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
     CPUPPCState *env = &cpu->env;
     bool mmu_all_on = ((msr >> MSR_IR) & 1) && ((msr >> MSR_DR) & 1);
     bool hv_escalation = !(msr & MSR_HVB) && (*new_msr & MSR_HVB);
@@ -282,8 +278,13 @@ static void ppc_excp_apply_ail(PowerPCCPU *cpu, int excp_model, int excp,
         return;
     }
 
-    if (excp_model == POWERPC_EXCP_POWER8 ||
-        excp_model == POWERPC_EXCP_POWER9) {
+    if (!(pcc->lpcr_mask & LPCR_AIL)) {
+        /* This CPU does not have AIL */
+        return;
+    }
+
+    /* P8 & P9 */
+    if (!(pcc->lpcr_mask & LPCR_HAIL)) {
         if (!mmu_all_on) {
             /* AIL only works if MSR[IR] and MSR[DR] are both enabled. */
             return;
@@ -306,7 +307,8 @@ static void ppc_excp_apply_ail(PowerPCCPU *cpu, int excp_model, int excp,
             return;
         }
 
-    } else if (excp_model == POWERPC_EXCP_POWER10) {
+    /* P10 and up */
+    } else {
         if (!mmu_all_on && !hv_escalation) {
             /*
              * AIL works for HV interrupts even with guest MSR[IR/DR] disabled.
@@ -331,9 +333,6 @@ static void ppc_excp_apply_ail(PowerPCCPU *cpu, int excp_model, int excp,
             /* AIL=1 and AIL=2 are reserved, treat them like AIL=0 */
             return;
         }
-    } else {
-        /* Other processors do not support AIL */
-        return;
     }
 
     /*
@@ -358,8 +357,8 @@ static void ppc_excp_apply_ail(PowerPCCPU *cpu, int excp_model, int excp,
             *vector |= 0xc000000000003000ull; /* Apply scv's AIL=3 offset */
         }
     }
-#endif
 }
+#endif
 
 static void powerpc_set_excp_state(PowerPCCPU *cpu,
                                           target_ulong vector, target_ulong msr)
@@ -367,6 +366,8 @@ static void powerpc_set_excp_state(PowerPCCPU *cpu,
     CPUState *cs = CPU(cpu);
     CPUPPCState *env = &cpu->env;
 
+    assert((msr & env->msr_mask) == msr);
+
     /*
      * We don't use hreg_store_msr here as already have treated any
      * special case that could occur. Just store MSR and update hflags
@@ -375,7 +376,7 @@ static void powerpc_set_excp_state(PowerPCCPU *cpu,
      * will prevent setting of the HV bit which some exceptions might need
      * to do.
      */
-    env->msr = msr & env->msr_mask;
+    env->msr = msr;
     hreg_compute_hflags(env);
     env->nip = vector;
     /* Reset exception state */
@@ -399,14 +400,6 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp)
     target_ulong msr, new_msr, vector;
     int srr0, srr1;
 
-    if (excp <= POWERPC_EXCP_NONE || excp >= POWERPC_EXCP_NB) {
-        cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
-    }
-
-    qemu_log_mask(CPU_LOG_INT, "Raise exception at " TARGET_FMT_lx
-                  " => %s (%d) error=%02x\n", env->nip, powerpc_excp_name(excp),
-                  excp, env->error_code);
-
     /* new srr1 value excluding must-be-zero bits */
     msr = env->msr & ~0x783f0000ULL;
 
@@ -530,18 +523,6 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp)
         break;
     }
 
-    /* Sanity check */
-    if (!(env->msr_mask & MSR_HVB)) {
-        if (new_msr & MSR_HVB) {
-            cpu_abort(cs, "Trying to deliver HV exception (MSR) %d with "
-                      "no HV support\n", excp);
-        }
-        if (srr0 == SPR_HSRR0) {
-            cpu_abort(cs, "Trying to deliver HV exception (HSRR) %d with "
-                      "no HV support\n", excp);
-        }
-    }
-
     /* Save PC */
     env->spr[srr0] = env->nip;
 
@@ -551,19 +532,187 @@ static void powerpc_excp_40x(PowerPCCPU *cpu, int excp)
     powerpc_set_excp_state(cpu, vector, new_msr);
 }
 
-static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
+static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp)
 {
     CPUState *cs = CPU(cpu);
     CPUPPCState *env = &cpu->env;
     target_ulong msr, new_msr, vector;
 
-    if (excp <= POWERPC_EXCP_NONE || excp >= POWERPC_EXCP_NB) {
+    /* new srr1 value excluding must-be-zero bits */
+    msr = env->msr & ~0x783f0000ULL;
+
+    /*
+     * new interrupt handler msr preserves existing ME unless
+     * explicitly overriden
+     */
+    new_msr = env->msr & ((target_ulong)1 << MSR_ME);
+
+    /*
+     * Hypervisor emulation assistance interrupt only exists on server
+     * arch 2.05 server or later.
+     */
+    if (excp == POWERPC_EXCP_HV_EMU) {
+        excp = POWERPC_EXCP_PROGRAM;
+    }
+
+    vector = env->excp_vectors[excp];
+    if (vector == (target_ulong)-1ULL) {
+        cpu_abort(cs, "Raised an exception without defined vector %d\n",
+                  excp);
+    }
+
+    vector |= env->excp_prefix;
+
+    switch (excp) {
+    case POWERPC_EXCP_CRITICAL:    /* Critical input                         */
+        break;
+    case POWERPC_EXCP_MCHECK:    /* Machine check exception                  */
+        if (msr_me == 0) {
+            /*
+             * Machine check exception is not enabled.  Enter
+             * checkstop state.
+             */
+            fprintf(stderr, "Machine check while not allowed. "
+                    "Entering checkstop state\n");
+            if (qemu_log_separate()) {
+                qemu_log("Machine check while not allowed. "
+                        "Entering checkstop state\n");
+            }
+            cs->halted = 1;
+            cpu_interrupt_exittb(cs);
+        }
+
+        /* machine check exceptions don't have ME set */
+        new_msr &= ~((target_ulong)1 << MSR_ME);
+
+        break;
+    case POWERPC_EXCP_DSI:       /* Data storage exception                   */
+        trace_ppc_excp_dsi(env->spr[SPR_DSISR], env->spr[SPR_DAR]);
+        break;
+    case POWERPC_EXCP_ISI:       /* Instruction storage exception            */
+        trace_ppc_excp_isi(msr, env->nip);
+        msr |= env->error_code;
+        break;
+    case POWERPC_EXCP_EXTERNAL:  /* External input                           */
+        break;
+    case POWERPC_EXCP_ALIGN:     /* Alignment exception                      */
+        /* Get rS/rD and rA from faulting opcode */
+        /*
+         * Note: the opcode fields will not be set properly for a
+         * direct store load/store, but nobody cares as nobody
+         * actually uses direct store segments.
+         */
+        env->spr[SPR_DSISR] |= (env->error_code & 0x03FF0000) >> 16;
+        break;
+    case POWERPC_EXCP_PROGRAM:   /* Program exception                        */
+        switch (env->error_code & ~0xF) {
+        case POWERPC_EXCP_FP:
+            if ((msr_fe0 == 0 && msr_fe1 == 0) || msr_fp == 0) {
+                trace_ppc_excp_fp_ignore();
+                cs->exception_index = POWERPC_EXCP_NONE;
+                env->error_code = 0;
+                return;
+            }
+
+            /*
+             * FP exceptions always have NIP pointing to the faulting
+             * instruction, so always use store_next and claim we are
+             * precise in the MSR.
+             */
+            msr |= 0x00100000;
+            break;
+        case POWERPC_EXCP_INVAL:
+            trace_ppc_excp_inval(env->nip);
+            msr |= 0x00080000;
+            break;
+        case POWERPC_EXCP_PRIV:
+            msr |= 0x00040000;
+            break;
+        case POWERPC_EXCP_TRAP:
+            msr |= 0x00020000;
+            break;
+        default:
+            /* Should never occur */
+            cpu_abort(cs, "Invalid program exception %d. Aborting\n",
+                      env->error_code);
+            break;
+        }
+        break;
+    case POWERPC_EXCP_SYSCALL:   /* System call exception                    */
+        dump_syscall(env);
+
+        /*
+         * We need to correct the NIP which in this case is supposed
+         * to point to the next instruction
+         */
+        env->nip += 4;
+        break;
+    case POWERPC_EXCP_FPU:       /* Floating-point unavailable exception     */
+    case POWERPC_EXCP_DECR:      /* Decrementer exception                    */
+        break;
+    case POWERPC_EXCP_DTLB:      /* Data TLB error                           */
+    case POWERPC_EXCP_ITLB:      /* Instruction TLB error                    */
+        break;
+    case POWERPC_EXCP_RESET:     /* System reset exception                   */
+        if (msr_pow) {
+            cpu_abort(cs, "Trying to deliver power-saving system reset "
+                      "exception %d with no HV support\n", excp);
+        }
+        break;
+    case POWERPC_EXCP_TRACE:     /* Trace exception                          */
+        break;
+    case POWERPC_EXCP_IFTLB:     /* Instruction fetch TLB error              */
+    case POWERPC_EXCP_DLTLB:     /* Data load TLB miss                       */
+    case POWERPC_EXCP_DSTLB:     /* Data store TLB miss                      */
+        /* Swap temporary saved registers with GPRs */
+        if (!(new_msr & ((target_ulong)1 << MSR_TGPR))) {
+            new_msr |= (target_ulong)1 << MSR_TGPR;
+            hreg_swap_gpr_tgpr(env);
+        }
+
+        ppc_excp_debug_sw_tlb(env, excp);
+
+        msr |= env->crf[0] << 28;
+        msr |= env->error_code; /* key, D/I, S/L bits */
+        /* Set way using a LRU mechanism */
+        msr |= ((env->last_way + 1) & (env->nb_ways - 1)) << 17;
+        break;
+    case POWERPC_EXCP_FPA:       /* Floating-point assist exception          */
+    case POWERPC_EXCP_DABR:      /* Data address breakpoint                  */
+    case POWERPC_EXCP_IABR:      /* Instruction address breakpoint           */
+    case POWERPC_EXCP_SMI:       /* System management interrupt              */
+    case POWERPC_EXCP_MEXTBR:    /* Maskable external breakpoint             */
+    case POWERPC_EXCP_NMEXTBR:   /* Non maskable external breakpoint         */
+        cpu_abort(cs, "%s exception not implemented\n",
+                  powerpc_excp_name(excp));
+        break;
+    default:
         cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
+        break;
     }
 
-    qemu_log_mask(CPU_LOG_INT, "Raise exception at " TARGET_FMT_lx
-                  " => %s (%d) error=%02x\n", env->nip, powerpc_excp_name(excp),
-                  excp, env->error_code);
+    /*
+     * Sort out endianness of interrupt, this differs depending on the
+     * CPU, the HV mode, etc...
+     */
+    if (ppc_interrupts_little_endian(cpu, !!(new_msr & MSR_HVB))) {
+        new_msr |= (target_ulong)1 << MSR_LE;
+    }
+
+    /* Save PC */
+    env->spr[SPR_SRR0] = env->nip;
+
+    /* Save MSR */
+    env->spr[SPR_SRR1] = msr;
+
+    powerpc_set_excp_state(cpu, vector, new_msr);
+}
+
+static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp)
+{
+    CPUState *cs = CPU(cpu);
+    CPUPPCState *env = &cpu->env;
+    target_ulong msr, new_msr, vector;
 
     /* new srr1 value excluding must-be-zero bits */
     msr = env->msr & ~0x783f0000ULL;
@@ -667,7 +816,7 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
     {
         int lev = env->error_code;
 
-        if ((lev == 1) && cpu->vhyp) {
+        if (lev == 1 && cpu->vhyp) {
             dump_hcall(env);
         } else {
             dump_syscall(env);
@@ -682,10 +831,10 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
         /*
          * The Virtual Open Firmware (VOF) relies on the 'sc 1'
          * instruction to communicate with QEMU. The pegasos2 machine
-         * uses VOF and the 74xx CPUs, so although the 74xx don't have
+         * uses VOF and the 7xx CPUs, so although the 7xx don't have
          * HV mode, we need to keep hypercall support.
          */
-        if ((lev == 1) && cpu->vhyp) {
+        if (lev == 1 && cpu->vhyp) {
             PPCVirtualHypervisorClass *vhc =
                 PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp);
             vhc->hypercall(cpu->vhyp, cpu);
@@ -705,13 +854,21 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
         break;
     case POWERPC_EXCP_TRACE:     /* Trace exception                          */
         break;
-    case POWERPC_EXCP_VPU:       /* Vector unavailable exception             */
+    case POWERPC_EXCP_IFTLB:     /* Instruction fetch TLB error              */
+    case POWERPC_EXCP_DLTLB:     /* Data load TLB miss                       */
+    case POWERPC_EXCP_DSTLB:     /* Data store TLB miss                      */
+        ppc_excp_debug_sw_tlb(env, excp);
+
+        msr |= env->crf[0] << 28;
+        msr |= env->error_code; /* key, D/I, S/L bits */
+        /* Set way using a LRU mechanism */
+        msr |= ((env->last_way + 1) & (env->nb_ways - 1)) << 17;
+
         break;
     case POWERPC_EXCP_IABR:      /* Instruction address breakpoint           */
     case POWERPC_EXCP_SMI:       /* System management interrupt              */
     case POWERPC_EXCP_THERM:     /* Thermal interrupt                        */
     case POWERPC_EXCP_PERFM:     /* Embedded performance monitor interrupt   */
-    case POWERPC_EXCP_VPUA:      /* Vector assist exception                  */
         cpu_abort(cs, "%s exception not implemented\n",
                   powerpc_excp_name(excp));
         break;
@@ -720,14 +877,6 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
         break;
     }
 
-    /* Sanity check */
-    if (!(env->msr_mask & MSR_HVB)) {
-        if (new_msr & MSR_HVB) {
-            cpu_abort(cs, "Trying to deliver HV exception (MSR) %d with "
-                      "no HV support\n", excp);
-        }
-    }
-
     /*
      * Sort out endianness of interrupt, this differs depending on the
      * CPU, the HV mode, etc...
@@ -745,49 +894,26 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
     powerpc_set_excp_state(cpu, vector, new_msr);
 }
 
-#ifdef TARGET_PPC64
-static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
+static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
 {
     CPUState *cs = CPU(cpu);
     CPUPPCState *env = &cpu->env;
-    int excp_model = env->excp_model;
     target_ulong msr, new_msr, vector;
-    int srr0, srr1, lev = -1;
-
-    if (excp <= POWERPC_EXCP_NONE || excp >= POWERPC_EXCP_NB) {
-        cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
-    }
-
-    qemu_log_mask(CPU_LOG_INT, "Raise exception at " TARGET_FMT_lx
-                  " => %s (%d) error=%02x\n", env->nip, powerpc_excp_name(excp),
-                  excp, env->error_code);
 
     /* new srr1 value excluding must-be-zero bits */
     msr = env->msr & ~0x783f0000ULL;
 
     /*
-     * new interrupt handler msr preserves existing HV and ME unless
+     * new interrupt handler msr preserves existing ME unless
      * explicitly overriden
      */
-    new_msr = env->msr & (((target_ulong)1 << MSR_ME) | MSR_HVB);
-
-    /* target registers */
-    srr0 = SPR_SRR0;
-    srr1 = SPR_SRR1;
-
-    /*
-     * check for special resume at 0x100 from doze/nap/sleep/winkle on
-     * P7/P8/P9
-     */
-    if (env->resume_as_sreset) {
-        excp = powerpc_reset_wakeup(cs, env, excp, &msr);
-    }
+    new_msr = env->msr & ((target_ulong)1 << MSR_ME);
 
     /*
-     * We don't want to generate a Hypervisor Emulation Assistance
-     * Interrupt if we don't have HVB in msr_mask (PAPR mode).
+     * Hypervisor emulation assistance interrupt only exists on server
+     * arch 2.05 server or later.
      */
-    if (excp == POWERPC_EXCP_HV_EMU && !(env->msr_mask & MSR_HVB)) {
+    if (excp == POWERPC_EXCP_HV_EMU) {
         excp = POWERPC_EXCP_PROGRAM;
     }
 
@@ -815,13 +941,6 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
             cs->halted = 1;
             cpu_interrupt_exittb(cs);
         }
-        if (env->msr_mask & MSR_HVB) {
-            /*
-             * ISA specifies HV, but can be delivered to guest with HV
-             * clear (e.g., see FWNMI in PAPR).
-             */
-            new_msr |= (target_ulong)MSR_HVB;
-        }
 
         /* machine check exceptions don't have ME set */
         new_msr &= ~((target_ulong)1 << MSR_ME);
@@ -835,28 +954,7 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
         msr |= env->error_code;
         break;
     case POWERPC_EXCP_EXTERNAL:  /* External input                           */
-    {
-        bool lpes0;
-
-        /*
-         * LPES0 is only taken into consideration if we support HV
-         * mode for this CPU.
-         */
-        if (!env->has_hv_mode) {
-            break;
-        }
-
-        lpes0 = !!(env->spr[SPR_LPCR] & LPCR_LPES0);
-
-        if (!lpes0) {
-            new_msr |= (target_ulong)MSR_HVB;
-            new_msr |= env->msr & ((target_ulong)1 << MSR_RI);
-            srr0 = SPR_HSRR0;
-            srr1 = SPR_HSRR1;
-        }
-
         break;
-    }
     case POWERPC_EXCP_ALIGN:     /* Alignment exception                      */
         /* Get rS/rD and rA from faulting opcode */
         /*
@@ -901,7 +999,8 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
         }
         break;
     case POWERPC_EXCP_SYSCALL:   /* System call exception                    */
-        lev = env->error_code;
+    {
+        int lev = env->error_code;
 
         if ((lev == 1) && cpu->vhyp) {
             dump_hcall(env);
@@ -915,87 +1014,39 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
          */
         env->nip += 4;
 
-        /* "PAPR mode" built-in hypercall emulation */
+        /*
+         * The Virtual Open Firmware (VOF) relies on the 'sc 1'
+         * instruction to communicate with QEMU. The pegasos2 machine
+         * uses VOF and the 74xx CPUs, so although the 74xx don't have
+         * HV mode, we need to keep hypercall support.
+         */
         if ((lev == 1) && cpu->vhyp) {
             PPCVirtualHypervisorClass *vhc =
                 PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp);
             vhc->hypercall(cpu->vhyp, cpu);
             return;
         }
-        if (lev == 1) {
-            new_msr |= (target_ulong)MSR_HVB;
-        }
-        break;
-    case POWERPC_EXCP_SYSCALL_VECTORED: /* scv exception                     */
-        lev = env->error_code;
-        dump_syscall(env);
-        env->nip += 4;
-        new_msr |= env->msr & ((target_ulong)1 << MSR_EE);
-        new_msr |= env->msr & ((target_ulong)1 << MSR_RI);
-
-        vector += lev * 0x20;
 
-        env->lr = env->nip;
-        env->ctr = msr;
         break;
+    }
     case POWERPC_EXCP_FPU:       /* Floating-point unavailable exception     */
     case POWERPC_EXCP_DECR:      /* Decrementer exception                    */
         break;
     case POWERPC_EXCP_RESET:     /* System reset exception                   */
-        /* A power-saving exception sets ME, otherwise it is unchanged */
         if (msr_pow) {
-            /* indicate that we resumed from power save mode */
-            msr |= 0x10000;
-            new_msr |= ((target_ulong)1 << MSR_ME);
-        }
-        if (env->msr_mask & MSR_HVB) {
-            /*
-             * ISA specifies HV, but can be delivered to guest with HV
-             * clear (e.g., see FWNMI in PAPR, NMI injection in QEMU).
-             */
-            new_msr |= (target_ulong)MSR_HVB;
-        } else {
-            if (msr_pow) {
-                cpu_abort(cs, "Trying to deliver power-saving system reset "
-                          "exception %d with no HV support\n", excp);
-            }
+            cpu_abort(cs, "Trying to deliver power-saving system reset "
+                      "exception %d with no HV support\n", excp);
         }
         break;
-    case POWERPC_EXCP_DSEG:      /* Data segment exception                   */
-    case POWERPC_EXCP_ISEG:      /* Instruction segment exception            */
     case POWERPC_EXCP_TRACE:     /* Trace exception                          */
         break;
-    case POWERPC_EXCP_HISI:      /* Hypervisor instruction storage exception */
-        msr |= env->error_code;
-        /* fall through */
-    case POWERPC_EXCP_HDECR:     /* Hypervisor decrementer exception         */
-    case POWERPC_EXCP_HDSI:      /* Hypervisor data storage exception        */
-    case POWERPC_EXCP_SDOOR_HV:  /* Hypervisor Doorbell interrupt            */
-    case POWERPC_EXCP_HV_EMU:
-    case POWERPC_EXCP_HVIRT:     /* Hypervisor virtualization                */
-        srr0 = SPR_HSRR0;
-        srr1 = SPR_HSRR1;
-        new_msr |= (target_ulong)MSR_HVB;
-        new_msr |= env->msr & ((target_ulong)1 << MSR_RI);
-        break;
     case POWERPC_EXCP_VPU:       /* Vector unavailable exception             */
-    case POWERPC_EXCP_VSXU:       /* VSX unavailable exception               */
-    case POWERPC_EXCP_FU:         /* Facility unavailable exception          */
-        env->spr[SPR_FSCR] |= ((target_ulong)env->error_code << 56);
-        break;
-    case POWERPC_EXCP_HV_FU:     /* Hypervisor Facility Unavailable Exception */
-        env->spr[SPR_HFSCR] |= ((target_ulong)env->error_code << FSCR_IC_POS);
-        srr0 = SPR_HSRR0;
-        srr1 = SPR_HSRR1;
-        new_msr |= (target_ulong)MSR_HVB;
-        new_msr |= env->msr & ((target_ulong)1 << MSR_RI);
         break;
+    case POWERPC_EXCP_IABR:      /* Instruction address breakpoint           */
+    case POWERPC_EXCP_SMI:       /* System management interrupt              */
     case POWERPC_EXCP_THERM:     /* Thermal interrupt                        */
     case POWERPC_EXCP_PERFM:     /* Embedded performance monitor interrupt   */
     case POWERPC_EXCP_VPUA:      /* Vector assist exception                  */
-    case POWERPC_EXCP_MAINT:     /* Maintenance exception                    */
-    case POWERPC_EXCP_SDOOR:     /* Doorbell interrupt                       */
-    case POWERPC_EXCP_HV_MAINT:  /* Hypervisor Maintenance exception         */
         cpu_abort(cs, "%s exception not implemented\n",
                   powerpc_excp_name(excp));
         break;
@@ -1004,18 +1055,6 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
         break;
     }
 
-    /* Sanity check */
-    if (!(env->msr_mask & MSR_HVB)) {
-        if (new_msr & MSR_HVB) {
-            cpu_abort(cs, "Trying to deliver HV exception (MSR) %d with "
-                      "no HV support\n", excp);
-        }
-        if (srr0 == SPR_HSRR0) {
-            cpu_abort(cs, "Trying to deliver HV exception (HSRR) %d with "
-                      "no HV support\n", excp);
-        }
-    }
-
     /*
      * Sort out endianness of interrupt, this differs depending on the
      * CPU, the HV mode, etc...
@@ -1024,84 +1063,39 @@ static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
         new_msr |= (target_ulong)1 << MSR_LE;
     }
 
-    new_msr |= (target_ulong)1 << MSR_SF;
-
-    if (excp != POWERPC_EXCP_SYSCALL_VECTORED) {
-        /* Save PC */
-        env->spr[srr0] = env->nip;
-
-        /* Save MSR */
-        env->spr[srr1] = msr;
-    }
+    /* Save PC */
+    env->spr[SPR_SRR0] = env->nip;
 
-    /* This can update new_msr and vector if AIL applies */
-    ppc_excp_apply_ail(cpu, excp_model, excp, msr, &new_msr, &vector);
+    /* Save MSR */
+    env->spr[SPR_SRR1] = msr;
 
     powerpc_set_excp_state(cpu, vector, new_msr);
 }
-#else
-static inline void powerpc_excp_books(PowerPCCPU *cpu, int excp)
-{
-    g_assert_not_reached();
-}
-#endif
 
-/*
- * Note that this function should be greatly optimized when called
- * with a constant excp, from ppc_hw_interrupt
- */
-static inline void powerpc_excp_legacy(PowerPCCPU *cpu, int excp)
+static void powerpc_excp_booke(PowerPCCPU *cpu, int excp)
 {
     CPUState *cs = CPU(cpu);
     CPUPPCState *env = &cpu->env;
-    int excp_model = env->excp_model;
     target_ulong msr, new_msr, vector;
-    int srr0, srr1, lev = -1;
-
-    if (excp <= POWERPC_EXCP_NONE || excp >= POWERPC_EXCP_NB) {
-        cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
-    }
+    int srr0, srr1;
 
-    qemu_log_mask(CPU_LOG_INT, "Raise exception at " TARGET_FMT_lx
-                  " => %s (%d) error=%02x\n", env->nip, powerpc_excp_name(excp),
-                  excp, env->error_code);
-
-    /* new srr1 value excluding must-be-zero bits */
-    if (excp_model == POWERPC_EXCP_BOOKE) {
-        msr = env->msr;
-    } else {
-        msr = env->msr & ~0x783f0000ULL;
-    }
+    msr = env->msr;
 
     /*
-     * new interrupt handler msr preserves existing HV and ME unless
+     * new interrupt handler msr preserves existing ME unless
      * explicitly overriden
      */
-    new_msr = env->msr & (((target_ulong)1 << MSR_ME) | MSR_HVB);
+    new_msr = env->msr & ((target_ulong)1 << MSR_ME);
 
     /* target registers */
     srr0 = SPR_SRR0;
     srr1 = SPR_SRR1;
 
     /*
-     * check for special resume at 0x100 from doze/nap/sleep/winkle on
-     * P7/P8/P9
-     */
-    if (env->resume_as_sreset) {
-        excp = powerpc_reset_wakeup(cs, env, excp, &msr);
-    }
-
-    /*
      * Hypervisor emulation assistance interrupt only exists on server
-     * arch 2.05 server or later. We also don't want to generate it if
-     * we don't have HVB in msr_mask (PAPR mode).
+     * arch 2.05 server or later.
      */
-    if (excp == POWERPC_EXCP_HV_EMU
-#if defined(TARGET_PPC64)
-        && !(mmu_is_64bit(env->mmu_model) && (env->msr_mask & MSR_HVB))
-#endif /* defined(TARGET_PPC64) */
-
-    ) {
+    if (excp == POWERPC_EXCP_HV_EMU) {
         excp = POWERPC_EXCP_PROGRAM;
     }
 
@@ -1110,7 +1104,7 @@ static inline void powerpc_excp_legacy(PowerPCCPU *cpu, int excp)
      * SPEU and VPU share the same IVOR but they exist in different
      * processors. SPEU is e500v1/2 only and VPU is e6500 only.
      */
-    if (excp_model == POWERPC_EXCP_BOOKE && excp == POWERPC_EXCP_VPU) {
+    if (excp == POWERPC_EXCP_VPU) {
         excp = POWERPC_EXCP_SPEU;
     }
 #endif
@@ -1125,21 +1119,210 @@ static inline void powerpc_excp_legacy(PowerPCCPU *cpu, int excp)
 
     switch (excp) {
     case POWERPC_EXCP_CRITICAL:    /* Critical input                         */
-        switch (excp_model) {
-        case POWERPC_EXCP_40x:
-            srr0 = SPR_40x_SRR2;
-            srr1 = SPR_40x_SRR3;
+        srr0 = SPR_BOOKE_CSRR0;
+        srr1 = SPR_BOOKE_CSRR1;
+        break;
+    case POWERPC_EXCP_MCHECK:    /* Machine check exception                  */
+        if (msr_me == 0) {
+            /*
+             * Machine check exception is not enabled.  Enter
+             * checkstop state.
+             */
+            fprintf(stderr, "Machine check while not allowed. "
+                    "Entering checkstop state\n");
+            if (qemu_log_separate()) {
+                qemu_log("Machine check while not allowed. "
+                        "Entering checkstop state\n");
+            }
+            cs->halted = 1;
+            cpu_interrupt_exittb(cs);
+        }
+
+        /* machine check exceptions don't have ME set */
+        new_msr &= ~((target_ulong)1 << MSR_ME);
+
+        /* FIXME: choose one or the other based on CPU type */
+        srr0 = SPR_BOOKE_MCSRR0;
+        srr1 = SPR_BOOKE_MCSRR1;
+
+        env->spr[SPR_BOOKE_CSRR0] = env->nip;
+        env->spr[SPR_BOOKE_CSRR1] = msr;
+
+        break;
+    case POWERPC_EXCP_DSI:       /* Data storage exception                   */
+        trace_ppc_excp_dsi(env->spr[SPR_BOOKE_ESR], env->spr[SPR_BOOKE_DEAR]);
+        break;
+    case POWERPC_EXCP_ISI:       /* Instruction storage exception            */
+        trace_ppc_excp_isi(msr, env->nip);
+        break;
+    case POWERPC_EXCP_EXTERNAL:  /* External input                           */
+        if (env->mpic_proxy) {
+            /* IACK the IRQ on delivery */
+            env->spr[SPR_BOOKE_EPR] = ldl_phys(cs->as, env->mpic_iack);
+        }
+        break;
+    case POWERPC_EXCP_ALIGN:     /* Alignment exception                      */
+        break;
+    case POWERPC_EXCP_PROGRAM:   /* Program exception                        */
+        switch (env->error_code & ~0xF) {
+        case POWERPC_EXCP_FP:
+            if ((msr_fe0 == 0 && msr_fe1 == 0) || msr_fp == 0) {
+                trace_ppc_excp_fp_ignore();
+                cs->exception_index = POWERPC_EXCP_NONE;
+                env->error_code = 0;
+                return;
+            }
+
+            /*
+             * FP exceptions always have NIP pointing to the faulting
+             * instruction, so always use store_next and claim we are
+             * precise in the MSR.
+             */
+            msr |= 0x00100000;
+            env->spr[SPR_BOOKE_ESR] = ESR_FP;
             break;
-        case POWERPC_EXCP_BOOKE:
-            srr0 = SPR_BOOKE_CSRR0;
-            srr1 = SPR_BOOKE_CSRR1;
+        case POWERPC_EXCP_INVAL:
+            trace_ppc_excp_inval(env->nip);
+            msr |= 0x00080000;
+            env->spr[SPR_BOOKE_ESR] = ESR_PIL;
             break;
-        case POWERPC_EXCP_G2:
+        case POWERPC_EXCP_PRIV:
+            msr |= 0x00040000;
+            env->spr[SPR_BOOKE_ESR] = ESR_PPR;
+            break;
+        case POWERPC_EXCP_TRAP:
+            msr |= 0x00020000;
+            env->spr[SPR_BOOKE_ESR] = ESR_PTR;
             break;
         default:
-            goto excp_invalid;
+            /* Should never occur */
+            cpu_abort(cs, "Invalid program exception %d. Aborting\n",
+                      env->error_code);
+            break;
         }
         break;
+    case POWERPC_EXCP_SYSCALL:   /* System call exception                    */
+        dump_syscall(env);
+
+        /*
+         * We need to correct the NIP which in this case is supposed
+         * to point to the next instruction
+         */
+        env->nip += 4;
+        break;
+    case POWERPC_EXCP_FPU:       /* Floating-point unavailable exception     */
+    case POWERPC_EXCP_APU:       /* Auxiliary processor unavailable          */
+    case POWERPC_EXCP_DECR:      /* Decrementer exception                    */
+        break;
+    case POWERPC_EXCP_FIT:       /* Fixed-interval timer interrupt           */
+        /* FIT on 4xx */
+        trace_ppc_excp_print("FIT");
+        break;
+    case POWERPC_EXCP_WDT:       /* Watchdog timer interrupt                 */
+        trace_ppc_excp_print("WDT");
+        srr0 = SPR_BOOKE_CSRR0;
+        srr1 = SPR_BOOKE_CSRR1;
+        break;
+    case POWERPC_EXCP_DTLB:      /* Data TLB error                           */
+    case POWERPC_EXCP_ITLB:      /* Instruction TLB error                    */
+        break;
+    case POWERPC_EXCP_DEBUG:     /* Debug interrupt                          */
+        if (env->flags & POWERPC_FLAG_DE) {
+            /* FIXME: choose one or the other based on CPU type */
+            srr0 = SPR_BOOKE_DSRR0;
+            srr1 = SPR_BOOKE_DSRR1;
+
+            env->spr[SPR_BOOKE_CSRR0] = env->nip;
+            env->spr[SPR_BOOKE_CSRR1] = msr;
+
+            /* DBSR already modified by caller */
+        } else {
+            cpu_abort(cs, "Debug exception triggered on unsupported model\n");
+        }
+        break;
+    case POWERPC_EXCP_SPEU:   /* SPE/embedded floating-point unavailable/VPU  */
+        env->spr[SPR_BOOKE_ESR] = ESR_SPV;
+        break;
+    case POWERPC_EXCP_RESET:     /* System reset exception                   */
+        if (msr_pow) {
+            cpu_abort(cs, "Trying to deliver power-saving system reset "
+                      "exception %d with no HV support\n", excp);
+        }
+        break;
+    case POWERPC_EXCP_EFPDI:     /* Embedded floating-point data interrupt   */
+    case POWERPC_EXCP_EFPRI:     /* Embedded floating-point round interrupt  */
+        cpu_abort(cs, "%s exception not implemented\n",
+                  powerpc_excp_name(excp));
+        break;
+    default:
+        cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
+        break;
+    }
+
+#if defined(TARGET_PPC64)
+    if (env->spr[SPR_BOOKE_EPCR] & EPCR_ICM) {
+        /* Cat.64-bit: EPCR.ICM is copied to MSR.CM */
+        new_msr |= (target_ulong)1 << MSR_CM;
+    } else {
+        vector = (uint32_t)vector;
+    }
+#endif
+
+    /* Save PC */
+    env->spr[srr0] = env->nip;
+
+    /* Save MSR */
+    env->spr[srr1] = msr;
+
+    powerpc_set_excp_state(cpu, vector, new_msr);
+}
+
+#ifdef TARGET_PPC64
+static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
+{
+    CPUState *cs = CPU(cpu);
+    CPUPPCState *env = &cpu->env;
+    target_ulong msr, new_msr, vector;
+    int srr0, srr1, lev = -1;
+
+    /* new srr1 value excluding must-be-zero bits */
+    msr = env->msr & ~0x783f0000ULL;
+
+    /*
+     * new interrupt handler msr preserves existing HV and ME unless
+     * explicitly overriden
+     */
+    new_msr = env->msr & (((target_ulong)1 << MSR_ME) | MSR_HVB);
+
+    /* target registers */
+    srr0 = SPR_SRR0;
+    srr1 = SPR_SRR1;
+
+    /*
+     * check for special resume at 0x100 from doze/nap/sleep/winkle on
+     * P7/P8/P9
+     */
+    if (env->resume_as_sreset) {
+        excp = powerpc_reset_wakeup(cs, env, excp, &msr);
+    }
+
+    /*
+     * We don't want to generate a Hypervisor Emulation Assistance
+     * Interrupt if we don't have HVB in msr_mask (PAPR mode).
+     */
+    if (excp == POWERPC_EXCP_HV_EMU && !(env->msr_mask & MSR_HVB)) {
+        excp = POWERPC_EXCP_PROGRAM;
+    }
+
+    vector = env->excp_vectors[excp];
+    if (vector == (target_ulong)-1ULL) {
+        cpu_abort(cs, "Raised an exception without defined vector %d\n",
+                  excp);
+    }
+
+    vector |= env->excp_prefix;
+
+    switch (excp) {
     case POWERPC_EXCP_MCHECK:    /* Machine check exception                  */
         if (msr_me == 0) {
             /*
@@ -1166,23 +1349,6 @@ static inline void powerpc_excp_legacy(PowerPCCPU *cpu, int excp)
         /* machine check exceptions don't have ME set */
         new_msr &= ~((target_ulong)1 << MSR_ME);
 
-        /* XXX: should also have something loaded in DAR / DSISR */
-        switch (excp_model) {
-        case POWERPC_EXCP_40x:
-            srr0 = SPR_40x_SRR2;
-            srr1 = SPR_40x_SRR3;
-            break;
-        case POWERPC_EXCP_BOOKE:
-            /* FIXME: choose one or the other based on CPU type */
-            srr0 = SPR_BOOKE_MCSRR0;
-            srr1 = SPR_BOOKE_MCSRR1;
-
-            env->spr[SPR_BOOKE_CSRR0] = env->nip;
-            env->spr[SPR_BOOKE_CSRR1] = msr;
-            break;
-        default:
-            break;
-        }
         break;
     case POWERPC_EXCP_DSI:       /* Data storage exception                   */
         trace_ppc_excp_dsi(env->spr[SPR_DSISR], env->spr[SPR_DAR]);
@@ -1195,39 +1361,23 @@ static inline void powerpc_excp_legacy(PowerPCCPU *cpu, int excp)
     {
         bool lpes0;
 
-        cs = CPU(cpu);
-
         /*
-         * Exception targeting modifiers
-         *
-         * LPES0 is supported on POWER7/8/9
-         * LPES1 is not supported (old iSeries mode)
-         *
-         * On anything else, we behave as if LPES0 is 1
-         * (externals don't alter MSR:HV)
+         * LPES0 is only taken into consideration if we support HV
+         * mode for this CPU.
          */
-#if defined(TARGET_PPC64)
-        if (excp_model == POWERPC_EXCP_POWER7 ||
-            excp_model == POWERPC_EXCP_POWER8 ||
-            excp_model == POWERPC_EXCP_POWER9 ||
-            excp_model == POWERPC_EXCP_POWER10) {
-            lpes0 = !!(env->spr[SPR_LPCR] & LPCR_LPES0);
-        } else
-#endif /* defined(TARGET_PPC64) */
-        {
-            lpes0 = true;
+        if (!env->has_hv_mode) {
+            break;
         }
 
+        lpes0 = !!(env->spr[SPR_LPCR] & LPCR_LPES0);
+
         if (!lpes0) {
             new_msr |= (target_ulong)MSR_HVB;
             new_msr |= env->msr & ((target_ulong)1 << MSR_RI);
             srr0 = SPR_HSRR0;
             srr1 = SPR_HSRR1;
         }
-        if (env->mpic_proxy) {
-            /* IACK the IRQ on delivery */
-            env->spr[SPR_BOOKE_EPR] = ldl_phys(cs->as, env->mpic_iack);
-        }
+
         break;
     }
     case POWERPC_EXCP_ALIGN:     /* Alignment exception                      */
@@ -1255,20 +1405,16 @@ static inline void powerpc_excp_legacy(PowerPCCPU *cpu, int excp)
              * precise in the MSR.
              */
             msr |= 0x00100000;
-            env->spr[SPR_BOOKE_ESR] = ESR_FP;
             break;
         case POWERPC_EXCP_INVAL:
             trace_ppc_excp_inval(env->nip);
             msr |= 0x00080000;
-            env->spr[SPR_BOOKE_ESR] = ESR_PIL;
             break;
         case POWERPC_EXCP_PRIV:
             msr |= 0x00040000;
-            env->spr[SPR_BOOKE_ESR] = ESR_PPR;
             break;
         case POWERPC_EXCP_TRAP:
             msr |= 0x00020000;
-            env->spr[SPR_BOOKE_ESR] = ESR_PTR;
             break;
         default:
             /* Should never occur */
@@ -1316,50 +1462,8 @@ static inline void powerpc_excp_legacy(PowerPCCPU *cpu, int excp)
         env->ctr = msr;
         break;
     case POWERPC_EXCP_FPU:       /* Floating-point unavailable exception     */
-    case POWERPC_EXCP_APU:       /* Auxiliary processor unavailable          */
     case POWERPC_EXCP_DECR:      /* Decrementer exception                    */
         break;
-    case POWERPC_EXCP_FIT:       /* Fixed-interval timer interrupt           */
-        /* FIT on 4xx */
-        trace_ppc_excp_print("FIT");
-        break;
-    case POWERPC_EXCP_WDT:       /* Watchdog timer interrupt                 */
-        trace_ppc_excp_print("WDT");
-        switch (excp_model) {
-        case POWERPC_EXCP_BOOKE:
-            srr0 = SPR_BOOKE_CSRR0;
-            srr1 = SPR_BOOKE_CSRR1;
-            break;
-        default:
-            break;
-        }
-        break;
-    case POWERPC_EXCP_DTLB:      /* Data TLB error                           */
-    case POWERPC_EXCP_ITLB:      /* Instruction TLB error                    */
-        break;
-    case POWERPC_EXCP_DEBUG:     /* Debug interrupt                          */
-        if (env->flags & POWERPC_FLAG_DE) {
-            /* FIXME: choose one or the other based on CPU type */
-            srr0 = SPR_BOOKE_DSRR0;
-            srr1 = SPR_BOOKE_DSRR1;
-
-            env->spr[SPR_BOOKE_CSRR0] = env->nip;
-            env->spr[SPR_BOOKE_CSRR1] = msr;
-
-            /* DBSR already modified by caller */
-        } else {
-            cpu_abort(cs, "Debug exception triggered on unsupported model\n");
-        }
-        break;
-    case POWERPC_EXCP_SPEU:   /* SPE/embedded floating-point unavailable/VPU  */
-        env->spr[SPR_BOOKE_ESR] = ESR_SPV;
-        break;
-    case POWERPC_EXCP_DOORI:     /* Embedded doorbell interrupt              */
-        break;
-    case POWERPC_EXCP_DOORCI:    /* Embedded doorbell critical interrupt     */
-        srr0 = SPR_BOOKE_CSRR0;
-        srr1 = SPR_BOOKE_CSRR1;
-        break;
     case POWERPC_EXCP_RESET:     /* System reset exception                   */
         /* A power-saving exception sets ME, otherwise it is unchanged */
         if (msr_pow) {
@@ -1389,8 +1493,6 @@ static inline void powerpc_excp_legacy(PowerPCCPU *cpu, int excp)
         /* fall through */
     case POWERPC_EXCP_HDECR:     /* Hypervisor decrementer exception         */
     case POWERPC_EXCP_HDSI:      /* Hypervisor data storage exception        */
-    case POWERPC_EXCP_HDSEG:     /* Hypervisor data segment exception        */
-    case POWERPC_EXCP_HISEG:     /* Hypervisor instruction segment exception */
     case POWERPC_EXCP_SDOOR_HV:  /* Hypervisor Doorbell interrupt            */
     case POWERPC_EXCP_HV_EMU:
     case POWERPC_EXCP_HVIRT:     /* Hypervisor virtualization                */
@@ -1402,83 +1504,33 @@ static inline void powerpc_excp_legacy(PowerPCCPU *cpu, int excp)
     case POWERPC_EXCP_VPU:       /* Vector unavailable exception             */
     case POWERPC_EXCP_VSXU:       /* VSX unavailable exception               */
     case POWERPC_EXCP_FU:         /* Facility unavailable exception          */
-#ifdef TARGET_PPC64
         env->spr[SPR_FSCR] |= ((target_ulong)env->error_code << 56);
-#endif
         break;
     case POWERPC_EXCP_HV_FU:     /* Hypervisor Facility Unavailable Exception */
-#ifdef TARGET_PPC64
         env->spr[SPR_HFSCR] |= ((target_ulong)env->error_code << FSCR_IC_POS);
         srr0 = SPR_HSRR0;
         srr1 = SPR_HSRR1;
         new_msr |= (target_ulong)MSR_HVB;
         new_msr |= env->msr & ((target_ulong)1 << MSR_RI);
-#endif
-        break;
-    case POWERPC_EXCP_PIT:       /* Programmable interval timer interrupt    */
-        trace_ppc_excp_print("PIT");
-        break;
-    case POWERPC_EXCP_IFTLB:     /* Instruction fetch TLB error              */
-    case POWERPC_EXCP_DLTLB:     /* Data load TLB miss                       */
-    case POWERPC_EXCP_DSTLB:     /* Data store TLB miss                      */
-        switch (excp_model) {
-        case POWERPC_EXCP_603:
-        case POWERPC_EXCP_G2:
-            /* Swap temporary saved registers with GPRs */
-            if (!(new_msr & ((target_ulong)1 << MSR_TGPR))) {
-                new_msr |= (target_ulong)1 << MSR_TGPR;
-                hreg_swap_gpr_tgpr(env);
-            }
-            /* fall through */
-        case POWERPC_EXCP_7x5:
-            ppc_excp_debug_sw_tlb(env, excp);
-
-            msr |= env->crf[0] << 28;
-            msr |= env->error_code; /* key, D/I, S/L bits */
-            /* Set way using a LRU mechanism */
-            msr |= ((env->last_way + 1) & (env->nb_ways - 1)) << 17;
-            break;
-        default:
-            cpu_abort(cs, "Invalid TLB miss exception\n");
-            break;
-        }
         break;
-    case POWERPC_EXCP_EFPDI:     /* Embedded floating-point data interrupt   */
-    case POWERPC_EXCP_EFPRI:     /* Embedded floating-point round interrupt  */
-    case POWERPC_EXCP_EPERFM:    /* Embedded performance monitor interrupt   */
-    case POWERPC_EXCP_IO:        /* IO error exception                       */
-    case POWERPC_EXCP_RUNM:      /* Run mode exception                       */
-    case POWERPC_EXCP_EMUL:      /* Emulation trap exception                 */
-    case POWERPC_EXCP_FPA:       /* Floating-point assist exception          */
-    case POWERPC_EXCP_DABR:      /* Data address breakpoint                  */
-    case POWERPC_EXCP_IABR:      /* Instruction address breakpoint           */
-    case POWERPC_EXCP_SMI:       /* System management interrupt              */
     case POWERPC_EXCP_THERM:     /* Thermal interrupt                        */
     case POWERPC_EXCP_PERFM:     /* Embedded performance monitor interrupt   */
     case POWERPC_EXCP_VPUA:      /* Vector assist exception                  */
-    case POWERPC_EXCP_SOFTP:     /* Soft patch exception                     */
     case POWERPC_EXCP_MAINT:     /* Maintenance exception                    */
-    case POWERPC_EXCP_MEXTBR:    /* Maskable external breakpoint             */
-    case POWERPC_EXCP_NMEXTBR:   /* Non maskable external breakpoint         */
+    case POWERPC_EXCP_SDOOR:     /* Doorbell interrupt                       */
+    case POWERPC_EXCP_HV_MAINT:  /* Hypervisor Maintenance exception         */
         cpu_abort(cs, "%s exception not implemented\n",
                   powerpc_excp_name(excp));
         break;
     default:
-    excp_invalid:
         cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
         break;
     }
 
     /* Sanity check */
-    if (!(env->msr_mask & MSR_HVB)) {
-        if (new_msr & MSR_HVB) {
-            cpu_abort(cs, "Trying to deliver HV exception (MSR) %d with "
-                      "no HV support\n", excp);
-        }
-        if (srr0 == SPR_HSRR0) {
-            cpu_abort(cs, "Trying to deliver HV exception (HSRR) %d with "
-                      "no HV support\n", excp);
-        }
+    if (!(env->msr_mask & MSR_HVB) && srr0 == SPR_HSRR0) {
+        cpu_abort(cs, "Trying to deliver HV exception (HSRR) %d with "
+                  "no HV support\n", excp);
     }
 
     /*
@@ -1489,22 +1541,7 @@ static inline void powerpc_excp_legacy(PowerPCCPU *cpu, int excp)
         new_msr |= (target_ulong)1 << MSR_LE;
     }
 
-#if defined(TARGET_PPC64)
-    if (excp_model == POWERPC_EXCP_BOOKE) {
-        if (env->spr[SPR_BOOKE_EPCR] & EPCR_ICM) {
-            /* Cat.64-bit: EPCR.ICM is copied to MSR.CM */
-            new_msr |= (target_ulong)1 << MSR_CM;
-        } else {
-            vector = (uint32_t)vector;
-        }
-    } else {
-        if (!msr_isf && !mmu_is_64bit(env->mmu_model)) {
-            vector = (uint32_t)vector;
-        } else {
-            new_msr |= (target_ulong)1 << MSR_SF;
-        }
-    }
-#endif
+    new_msr |= (target_ulong)1 << MSR_SF;
 
     if (excp != POWERPC_EXCP_SYSCALL_VECTORED) {
         /* Save PC */
@@ -1515,22 +1552,46 @@ static inline void powerpc_excp_legacy(PowerPCCPU *cpu, int excp)
     }
 
     /* This can update new_msr and vector if AIL applies */
-    ppc_excp_apply_ail(cpu, excp_model, excp, msr, &new_msr, &vector);
+    ppc_excp_apply_ail(cpu, excp, msr, &new_msr, &vector);
 
     powerpc_set_excp_state(cpu, vector, new_msr);
 }
+#else
+static inline void powerpc_excp_books(PowerPCCPU *cpu, int excp)
+{
+    g_assert_not_reached();
+}
+#endif
 
 static void powerpc_excp(PowerPCCPU *cpu, int excp)
 {
+    CPUState *cs = CPU(cpu);
     CPUPPCState *env = &cpu->env;
 
+    if (excp <= POWERPC_EXCP_NONE || excp >= POWERPC_EXCP_NB) {
+        cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
+    }
+
+    qemu_log_mask(CPU_LOG_INT, "Raise exception at " TARGET_FMT_lx
+                  " => %s (%d) error=%02x\n", env->nip, powerpc_excp_name(excp),
+                  excp, env->error_code);
+
     switch (env->excp_model) {
     case POWERPC_EXCP_40x:
         powerpc_excp_40x(cpu, excp);
         break;
+    case POWERPC_EXCP_6xx:
+        powerpc_excp_6xx(cpu, excp);
+        break;
+    case POWERPC_EXCP_7xx:
+        powerpc_excp_7xx(cpu, excp);
+        break;
     case POWERPC_EXCP_74xx:
         powerpc_excp_74xx(cpu, excp);
         break;
+    case POWERPC_EXCP_BOOKE:
+        powerpc_excp_booke(cpu, excp);
+        break;
     case POWERPC_EXCP_970:
     case POWERPC_EXCP_POWER7:
     case POWERPC_EXCP_POWER8:
@@ -1539,7 +1600,7 @@ static void powerpc_excp(PowerPCCPU *cpu, int excp)
         powerpc_excp_books(cpu, excp);
         break;
     default:
-        powerpc_excp_legacy(cpu, excp);
+        g_assert_not_reached();
     }
 }
 
@@ -1974,14 +2035,8 @@ void helper_td(CPUPPCState *env, target_ulong arg1, target_ulong arg2,
 #endif
 
 #if !defined(CONFIG_USER_ONLY)
-/*****************************************************************************/
-/* PowerPC 601 specific instructions (POWER bridge) */
 
 #ifdef CONFIG_TCG
-void helper_rfsvc(CPUPPCState *env)
-{
-    do_rfi(env, env->lr, env->ctr & 0x0000FFFF);
-}
 
 /* Embedded.Processor Control */
 static int dbell2irq(target_ulong rb)
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c
index e5c29b5..bd76bee 100644
--- a/target/ppc/fpu_helper.c
+++ b/target/ppc/fpu_helper.c
@@ -1696,7 +1696,7 @@ uint32_t helper_efdcmpeq(CPUPPCState *env, uint64_t op1, uint64_t op2)
 void helper_##name(CPUPPCState *env, ppc_vsr_t *xt,                          \
                    ppc_vsr_t *xa, ppc_vsr_t *xb)                             \
 {                                                                            \
-    ppc_vsr_t t = *xt;                                                       \
+    ppc_vsr_t t = { };                                                       \
     int i;                                                                   \
                                                                              \
     helper_reset_fpstatus(env);                                              \
@@ -1772,7 +1772,7 @@ void helper_xsaddqp(CPUPPCState *env, uint32_t opcode,
 void helper_##op(CPUPPCState *env, ppc_vsr_t *xt,                            \
                  ppc_vsr_t *xa, ppc_vsr_t *xb)                               \
 {                                                                            \
-    ppc_vsr_t t = *xt;                                                       \
+    ppc_vsr_t t = { };                                                       \
     int i;                                                                   \
                                                                              \
     helper_reset_fpstatus(env);                                              \
@@ -1843,7 +1843,7 @@ void helper_xsmulqp(CPUPPCState *env, uint32_t opcode,
 void helper_##op(CPUPPCState *env, ppc_vsr_t *xt,                             \
                  ppc_vsr_t *xa, ppc_vsr_t *xb)                                \
 {                                                                             \
-    ppc_vsr_t t = *xt;                                                        \
+    ppc_vsr_t t = { };                                                        \
     int i;                                                                    \
                                                                               \
     helper_reset_fpstatus(env);                                               \
@@ -1919,7 +1919,7 @@ void helper_xsdivqp(CPUPPCState *env, uint32_t opcode,
 #define VSX_RE(op, nels, tp, fld, sfprf, r2sp)                                \
 void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb)              \
 {                                                                             \
-    ppc_vsr_t t = *xt;                                                        \
+    ppc_vsr_t t = { };                                                        \
     int i;                                                                    \
                                                                               \
     helper_reset_fpstatus(env);                                               \
@@ -1959,7 +1959,7 @@ VSX_RE(xvresp, 4, float32, VsrW(i), 0, 0)
 #define VSX_SQRT(op, nels, tp, fld, sfprf, r2sp)                             \
 void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb)             \
 {                                                                            \
-    ppc_vsr_t t = *xt;                                                       \
+    ppc_vsr_t t = { };                                                       \
     int i;                                                                   \
                                                                              \
     helper_reset_fpstatus(env);                                              \
@@ -2004,7 +2004,7 @@ VSX_SQRT(xvsqrtsp, 4, float32, VsrW(i), 0, 0)
 #define VSX_RSQRTE(op, nels, tp, fld, sfprf, r2sp)                           \
 void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb)             \
 {                                                                            \
-    ppc_vsr_t t = *xt;                                                       \
+    ppc_vsr_t t = { };                                                       \
     int i;                                                                   \
                                                                              \
     helper_reset_fpstatus(env);                                              \
@@ -2472,7 +2472,7 @@ void helper_xscmpuqp(CPUPPCState *env, uint32_t opcode, ppc_vsr_t *xa,
 void helper_##name(CPUPPCState *env, ppc_vsr_t *xt,                           \
                    ppc_vsr_t *xa, ppc_vsr_t *xb)                              \
 {                                                                             \
-    ppc_vsr_t t = *xt;                                                        \
+    ppc_vsr_t t = { };                                                        \
     int i;                                                                    \
                                                                               \
     for (i = 0; i < nels; i++) {                                              \
@@ -2498,7 +2498,7 @@ VSX_MAX_MIN(xvminsp, minnum, 4, float32, VsrW(i))
 void helper_##name(CPUPPCState *env,                                          \
                    ppc_vsr_t *xt, ppc_vsr_t *xa, ppc_vsr_t *xb)               \
 {                                                                             \
-    ppc_vsr_t t = *xt;                                                        \
+    ppc_vsr_t t = { };                                                        \
     bool vxsnan_flag = false, vex_flag = false;                               \
                                                                               \
     if (unlikely(float64_is_any_nan(xa->VsrD(0)) ||                           \
@@ -2533,7 +2533,7 @@ VSX_MAX_MINC(xsmincdp, 0);
 void helper_##name(CPUPPCState *env,                                          \
                    ppc_vsr_t *xt, ppc_vsr_t *xa, ppc_vsr_t *xb)               \
 {                                                                             \
-    ppc_vsr_t t = *xt;                                                        \
+    ppc_vsr_t t = { };                                                        \
     bool vxsnan_flag = false, vex_flag = false;                               \
                                                                               \
     if (unlikely(float64_is_any_nan(xa->VsrD(0)))) {                          \
@@ -2654,7 +2654,7 @@ VSX_CMP(xvcmpnesp, 4, float32, VsrW(i), eq, 0, 0)
 #define VSX_CVT_FP_TO_FP(op, nels, stp, ttp, sfld, tfld, sfprf)    \
 void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb)   \
 {                                                                  \
-    ppc_vsr_t t = *xt;                                             \
+    ppc_vsr_t t = { };                                             \
     int i;                                                         \
                                                                    \
     for (i = 0; i < nels; i++) {                                   \
@@ -2833,7 +2833,7 @@ uint64_t helper_xscvspdpn(CPUPPCState *env, uint64_t xb)
 void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb)             \
 {                                                                            \
     int all_flags = env->fp_status.float_exception_flags, flags;             \
-    ppc_vsr_t t = *xt;                                                       \
+    ppc_vsr_t t = { };                                                       \
     int i;                                                                   \
                                                                              \
     for (i = 0; i < nels; i++) {                                             \
@@ -2917,7 +2917,7 @@ VSX_CVT_FP_TO_INT_VECTOR(xscvqpuwz, float128, uint32, f128, VsrD(0), 0x0ULL)
 #define VSX_CVT_INT_TO_FP(op, nels, stp, ttp, sfld, tfld, sfprf, r2sp)  \
 void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb)        \
 {                                                                       \
-    ppc_vsr_t t = *xt;                                                  \
+    ppc_vsr_t t = { };                                                  \
     int i;                                                              \
                                                                         \
     for (i = 0; i < nels; i++) {                                        \
@@ -2990,7 +2990,7 @@ VSX_CVT_INT_TO_FP_VECTOR(xscvudqp, uint64, float128, VsrD(0), f128)
 #define VSX_ROUND(op, nels, tp, fld, rmode, sfprf)                     \
 void helper_##op(CPUPPCState *env, ppc_vsr_t *xt, ppc_vsr_t *xb)       \
 {                                                                      \
-    ppc_vsr_t t = *xt;                                                 \
+    ppc_vsr_t t = { };                                                 \
     int i;                                                             \
     FloatRoundMode curr_rounding_mode;                                 \
                                                                        \
diff --git a/target/ppc/helper.h b/target/ppc/helper.h
index f2e5060..ab008c9 100644
--- a/target/ppc/helper.h
+++ b/target/ppc/helper.h
@@ -7,7 +7,6 @@ DEF_HELPER_FLAGS_4(td, TCG_CALL_NO_WG, void, env, tl, tl, i32)
 #if !defined(CONFIG_USER_ONLY)
 DEF_HELPER_2(store_msr, void, env, tl)
 DEF_HELPER_1(rfi, void, env)
-DEF_HELPER_1(rfsvc, void, env)
 DEF_HELPER_1(40x_rfci, void, env)
 DEF_HELPER_1(rfci, void, env)
 DEF_HELPER_1(rfdi, void, env)
@@ -653,14 +652,9 @@ DEF_HELPER_2(book3s_msgclr, void, env, tl)
 #endif
 
 DEF_HELPER_4(dlmzb, tl, env, tl, tl, i32)
-DEF_HELPER_FLAGS_2(clcs, TCG_CALL_NO_RWG_SE, tl, env, i32)
 #if !defined(CONFIG_USER_ONLY)
 DEF_HELPER_2(rac, tl, env, tl)
 #endif
-DEF_HELPER_3(div, tl, env, tl, tl)
-DEF_HELPER_3(divo, tl, env, tl, tl)
-DEF_HELPER_3(divs, tl, env, tl, tl)
-DEF_HELPER_3(divso, tl, env, tl, tl)
 
 DEF_HELPER_2(load_dcr, tl, env, tl)
 DEF_HELPER_3(store_dcr, void, env, tl, tl)
@@ -674,8 +668,6 @@ DEF_HELPER_FLAGS_1(load_tbu, TCG_CALL_NO_RWG, tl, env)
 DEF_HELPER_FLAGS_1(load_atbl, TCG_CALL_NO_RWG, tl, env)
 DEF_HELPER_FLAGS_1(load_atbu, TCG_CALL_NO_RWG, tl, env)
 DEF_HELPER_FLAGS_1(load_vtb, TCG_CALL_NO_RWG, tl, env)
-DEF_HELPER_FLAGS_1(load_601_rtcl, TCG_CALL_NO_RWG, tl, env)
-DEF_HELPER_FLAGS_1(load_601_rtcu, TCG_CALL_NO_RWG, tl, env)
 #if !defined(CONFIG_USER_ONLY)
 #if defined(TARGET_PPC64)
 DEF_HELPER_FLAGS_1(load_purr, TCG_CALL_NO_RWG, tl, env)
@@ -693,15 +685,12 @@ DEF_HELPER_FLAGS_2(store_tbl, TCG_CALL_NO_RWG, void, env, tl)
 DEF_HELPER_FLAGS_2(store_tbu, TCG_CALL_NO_RWG, void, env, tl)
 DEF_HELPER_FLAGS_2(store_atbl, TCG_CALL_NO_RWG, void, env, tl)
 DEF_HELPER_FLAGS_2(store_atbu, TCG_CALL_NO_RWG, void, env, tl)
-DEF_HELPER_FLAGS_2(store_601_rtcl, TCG_CALL_NO_RWG, void, env, tl)
-DEF_HELPER_FLAGS_2(store_601_rtcu, TCG_CALL_NO_RWG, void, env, tl)
 DEF_HELPER_FLAGS_1(load_decr, TCG_CALL_NO_RWG, tl, env)
 DEF_HELPER_FLAGS_2(store_decr, TCG_CALL_NO_RWG, void, env, tl)
 DEF_HELPER_FLAGS_1(load_hdecr, TCG_CALL_NO_RWG, tl, env)
 DEF_HELPER_FLAGS_2(store_hdecr, TCG_CALL_NO_RWG, void, env, tl)
 DEF_HELPER_FLAGS_2(store_vtb, TCG_CALL_NO_RWG, void, env, tl)
 DEF_HELPER_FLAGS_2(store_tbu40, TCG_CALL_NO_RWG, void, env, tl)
-DEF_HELPER_2(store_hid0_601, void, env, tl)
 DEF_HELPER_FLAGS_1(load_40x_pit, TCG_CALL_NO_RWG, tl, env)
 DEF_HELPER_FLAGS_2(store_40x_pit, TCG_CALL_NO_RWG, void, env, tl)
 DEF_HELPER_FLAGS_2(store_40x_tcr, TCG_CALL_NO_RWG, void, env, tl)
@@ -715,8 +704,6 @@ DEF_HELPER_3(store_ibatl, void, env, i32, tl)
 DEF_HELPER_3(store_ibatu, void, env, i32, tl)
 DEF_HELPER_3(store_dbatl, void, env, i32, tl)
 DEF_HELPER_3(store_dbatu, void, env, i32, tl)
-DEF_HELPER_3(store_601_batl, void, env, i32, tl)
-DEF_HELPER_3(store_601_batu, void, env, i32, tl)
 #endif
 
 #define dh_alias_fprp ptr
diff --git a/target/ppc/helper_regs.c b/target/ppc/helper_regs.c
index 5b12cb0..38fcb5f 100644
--- a/target/ppc/helper_regs.c
+++ b/target/ppc/helper_regs.c
@@ -59,15 +59,6 @@ static uint32_t hreg_compute_hflags_value(CPUPPCState *env)
     msr_mask = ((1 << MSR_LE) | (1 << MSR_PR) |
                 (1 << MSR_DR) | (1 << MSR_FP));
 
-    if (ppc_flags & POWERPC_FLAG_HID0_LE) {
-        /*
-         * Note that MSR_LE is not set in env->msr_mask for this cpu,
-         * and so will never be set in msr.
-         */
-        uint32_t le = extract32(env->spr[SPR_HID0], 3, 1);
-        hflags |= le << MSR_LE;
-    }
-
     if (ppc_flags & POWERPC_FLAG_DE) {
         target_ulong dbcr0 = env->spr[SPR_BOOKE_DBCR0];
         if (dbcr0 & DBCR0_ICMP) {
@@ -249,7 +240,6 @@ int hreg_store_msr(CPUPPCState *env, target_ulong value, int alter_hv)
         hreg_swap_gpr_tgpr(env);
     }
     if (unlikely((value >> MSR_EP) & 1) != msr_ep) {
-        /* Change the exception prefix on PowerPC 601 */
         env->excp_prefix = ((value >> MSR_EP) & 1) * 0xFFF00000;
     }
     /*
diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
index d7765fd..d1b1278 100644
--- a/target/ppc/int_helper.c
+++ b/target/ppc/int_helper.c
@@ -423,72 +423,6 @@ uint64_t helper_PEXTD(uint64_t src, uint64_t mask)
 }
 
 /*****************************************************************************/
-/* PowerPC 601 specific instructions (POWER bridge) */
-target_ulong helper_div(CPUPPCState *env, target_ulong arg1, target_ulong arg2)
-{
-    uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ];
-
-    if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) ||
-        (int32_t)arg2 == 0) {
-        env->spr[SPR_MQ] = 0;
-        return INT32_MIN;
-    } else {
-        env->spr[SPR_MQ] = tmp % arg2;
-        return  tmp / (int32_t)arg2;
-    }
-}
-
-target_ulong helper_divo(CPUPPCState *env, target_ulong arg1,
-                         target_ulong arg2)
-{
-    uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ];
-
-    if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) ||
-        (int32_t)arg2 == 0) {
-        env->so = env->ov = 1;
-        env->spr[SPR_MQ] = 0;
-        return INT32_MIN;
-    } else {
-        env->spr[SPR_MQ] = tmp % arg2;
-        tmp /= (int32_t)arg2;
-        if ((int32_t)tmp != tmp) {
-            env->so = env->ov = 1;
-        } else {
-            env->ov = 0;
-        }
-        return tmp;
-    }
-}
-
-target_ulong helper_divs(CPUPPCState *env, target_ulong arg1,
-                         target_ulong arg2)
-{
-    if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) ||
-        (int32_t)arg2 == 0) {
-        env->spr[SPR_MQ] = 0;
-        return INT32_MIN;
-    } else {
-        env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2;
-        return (int32_t)arg1 / (int32_t)arg2;
-    }
-}
-
-target_ulong helper_divso(CPUPPCState *env, target_ulong arg1,
-                          target_ulong arg2)
-{
-    if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) ||
-        (int32_t)arg2 == 0) {
-        env->so = env->ov = 1;
-        env->spr[SPR_MQ] = 0;
-        return INT32_MIN;
-    } else {
-        env->ov = 0;
-        env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2;
-        return (int32_t)arg1 / (int32_t)arg2;
-    }
-}
-
-/*****************************************************************************/
 /* Altivec extension helpers */
 #if defined(HOST_WORDS_BIGENDIAN)
 #define VECTOR_FOR_INORDER_I(index, element)                    \
diff --git a/target/ppc/machine.c b/target/ppc/machine.c
index a503e00..1b63146 100644
--- a/target/ppc/machine.c
+++ b/target/ppc/machine.c
@@ -205,9 +205,8 @@ static int cpu_pre_save(void *opaque)
         }
     }
 
-    /* Retain migration compatibility for pre 6.0 for 601 machines. */
-    env->hflags_compat_nmsr = (env->flags & POWERPC_FLAG_HID0_LE
-                               ? env->hflags & MSR_LE : 0);
+    /* Used to retain migration compatibility for pre 6.0 for 601 machines. */
+    env->hflags_compat_nmsr = 0;
 
     return 0;
 }
diff --git a/target/ppc/misc_helper.c b/target/ppc/misc_helper.c
index 1bcefa7..29e73a6 100644
--- a/target/ppc/misc_helper.c
+++ b/target/ppc/misc_helper.c
@@ -211,21 +211,6 @@ void helper_store_lpidr(CPUPPCState *env, target_ulong val)
     tlb_flush(env_cpu(env));
 }
 
-void helper_store_hid0_601(CPUPPCState *env, target_ulong val)
-{
-    target_ulong hid0;
-
-    hid0 = env->spr[SPR_HID0];
-    env->spr[SPR_HID0] = (uint32_t)val;
-
-    if ((val ^ hid0) & 0x00000008) {
-        /* Change current endianness */
-        hreg_compute_hflags(env);
-        qemu_log("%s: set endianness to %c => %08x\n", __func__,
-                 val & 0x8 ? 'l' : 'b', env->hflags);
-    }
-}
-
 void helper_store_40x_dbcr0(CPUPPCState *env, target_ulong val)
 {
     /* Bits 26 & 27 affect single-stepping. */
@@ -239,31 +224,6 @@ void helper_store_40x_sler(CPUPPCState *env, target_ulong val)
     store_40x_sler(env, val);
 }
 #endif
-/*****************************************************************************/
-/* PowerPC 601 specific instructions (POWER bridge) */
-
-target_ulong helper_clcs(CPUPPCState *env, uint32_t arg)
-{
-    switch (arg) {
-    case 0x0CUL:
-        /* Instruction cache line size */
-        return env->icache_line_size;
-    case 0x0DUL:
-        /* Data cache line size */
-        return env->dcache_line_size;
-    case 0x0EUL:
-        /* Minimum cache line size */
-        return (env->icache_line_size < env->dcache_line_size) ?
-            env->icache_line_size : env->dcache_line_size;
-    case 0x0FUL:
-        /* Maximum cache line size */
-        return (env->icache_line_size > env->dcache_line_size) ?
-            env->icache_line_size : env->dcache_line_size;
-    default:
-        /* Undefined */
-        return 0;
-    }
-}
 
 /*****************************************************************************/
 /* Special registers manipulation */
diff --git a/target/ppc/mmu-hash32.c b/target/ppc/mmu-hash32.c
index 3957aab..cc091c3 100644
--- a/target/ppc/mmu-hash32.c
+++ b/target/ppc/mmu-hash32.c
@@ -125,30 +125,6 @@ static int hash32_bat_prot(PowerPCCPU *cpu,
     return prot;
 }
 
-static target_ulong hash32_bat_601_size(PowerPCCPU *cpu,
-                                target_ulong batu, target_ulong batl)
-{
-    if (!(batl & BATL32_601_V)) {
-        return 0;
-    }
-
-    return BATU32_BEPI & ~((batl & BATL32_601_BL) << 17);
-}
-
-static int hash32_bat_601_prot(int mmu_idx,
-                               target_ulong batu, target_ulong batl)
-{
-    int key, pp;
-
-    pp = batu & BATU32_601_PP;
-    if (mmuidx_pr(mmu_idx) == 0) {
-        key = !!(batu & BATU32_601_KS);
-    } else {
-        key = !!(batu & BATU32_601_KP);
-    }
-    return ppc_hash32_pp_prot(key, pp, 0);
-}
-
 static hwaddr ppc_hash32_bat_lookup(PowerPCCPU *cpu, target_ulong ea,
                                     MMUAccessType access_type, int *prot,
                                     int mmu_idx)
@@ -172,11 +148,7 @@ static hwaddr ppc_hash32_bat_lookup(PowerPCCPU *cpu, target_ulong ea,
         target_ulong batl = BATlt[i];
         target_ulong mask;
 
-        if (unlikely(env->mmu_model == POWERPC_MMU_601)) {
-            mask = hash32_bat_601_size(cpu, batu, batl);
-        } else {
-            mask = hash32_bat_size(mmu_idx, batu, batl);
-        }
+        mask = hash32_bat_size(mmu_idx, batu, batl);
         LOG_BATS("%s: %cBAT%d v " TARGET_FMT_lx " BATu " TARGET_FMT_lx
                  " BATl " TARGET_FMT_lx "\n", __func__,
                  ifetch ? 'I' : 'D', i, ea, batu, batl);
@@ -184,11 +156,7 @@ static hwaddr ppc_hash32_bat_lookup(PowerPCCPU *cpu, target_ulong ea,
         if (mask && ((ea & mask) == (batu & BATU32_BEPI))) {
             hwaddr raddr = (batl & mask) | (ea & ~mask);
 
-            if (unlikely(env->mmu_model == POWERPC_MMU_601)) {
-                *prot = hash32_bat_601_prot(mmu_idx, batu, batl);
-            } else {
-                *prot = hash32_bat_prot(cpu, batu, batl);
-            }
+            *prot = hash32_bat_prot(cpu, batu, batl);
 
             return raddr & TARGET_PAGE_MASK;
         }
@@ -231,18 +199,6 @@ static bool ppc_hash32_direct_store(PowerPCCPU *cpu, target_ulong sr,
 
     qemu_log_mask(CPU_LOG_MMU, "direct store...\n");
 
-    if ((sr & 0x1FF00000) >> 20 == 0x07f) {
-        /*
-         * Memory-forced I/O controller interface access
-         *
-         * If T=1 and BUID=x'07F', the 601 performs a memory access
-         * to SR[28-31] LA[4-31], bypassing all protection mechanisms.
-         */
-        *raddr = ((sr & 0xF) << 28) | (eaddr & 0x0FFFFFFF);
-        *prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
-        return true;
-    }
-
     if (access_type == MMU_INST_FETCH) {
         /* No code fetch is allowed in direct-store areas */
         if (guest_visible) {
diff --git a/target/ppc/mmu-hash32.h b/target/ppc/mmu-hash32.h
index 3892b69..7119a63 100644
--- a/target/ppc/mmu-hash32.h
+++ b/target/ppc/mmu-hash32.h
@@ -34,15 +34,6 @@ bool ppc_hash32_xlate(PowerPCCPU *cpu, vaddr eaddr, MMUAccessType access_type,
 #define BATL32_WIMG             0x00000078
 #define BATL32_PP               0x00000003
 
-/* PowerPC 601 has slightly different BAT registers */
-
-#define BATU32_601_KS           0x00000008
-#define BATU32_601_KP           0x00000004
-#define BATU32_601_PP           0x00000003
-
-#define BATL32_601_V            0x00000040
-#define BATL32_601_BL           0x0000003f
-
 /*
  * Hash page table definitions
  */
diff --git a/target/ppc/mmu-radix64.c b/target/ppc/mmu-radix64.c
index 040c055..d4e16bd 100644
--- a/target/ppc/mmu-radix64.c
+++ b/target/ppc/mmu-radix64.c
@@ -327,13 +327,9 @@ static int ppc_radix64_partition_scoped_xlate(PowerPCCPU *cpu,
     uint64_t pte;
 
     qemu_log_mask(CPU_LOG_MMU, "%s for %s @0x%"VADDR_PRIx
-                  " mmu_idx %u (prot %c%c%c) 0x%"HWADDR_PRIx"\n",
+                  " mmu_idx %u 0x%"HWADDR_PRIx"\n",
                   __func__, access_str(access_type),
-                  eaddr, mmu_idx,
-                  *h_prot & PAGE_READ ? 'r' : '-',
-                  *h_prot & PAGE_WRITE ? 'w' : '-',
-                  *h_prot & PAGE_EXEC ? 'x' : '-',
-                  g_raddr);
+                  eaddr, mmu_idx, g_raddr);
 
     *h_page_size = PRTBE_R_GET_RTS(pate.dw0);
     /* No valid pte or access denied due to protection */
diff --git a/target/ppc/mmu_common.c b/target/ppc/mmu_common.c
index 6512ee0..e9c5b14 100644
--- a/target/ppc/mmu_common.c
+++ b/target/ppc/mmu_common.c
@@ -441,29 +441,9 @@ static int get_segment_6xx_tlb(CPUPPCState *env, mmu_ctx_t *ctx,
             ret = -3;
         }
     } else {
-        target_ulong sr;
-
         qemu_log_mask(CPU_LOG_MMU, "direct store...\n");
         /* Direct-store segment : absolutely *BUGGY* for now */
 
-        /*
-         * Direct-store implies a 32-bit MMU.
-         * Check the Segment Register's bus unit ID (BUID).
-         */
-        sr = env->sr[eaddr >> 28];
-        if ((sr & 0x1FF00000) >> 20 == 0x07f) {
-            /*
-             * Memory-forced I/O controller interface access
-             *
-             * If T=1 and BUID=x'07F', the 601 performs a memory
-             * access to SR[28-31] LA[4-31], bypassing all protection
-             * mechanisms.
-             */
-            ctx->raddr = ((sr & 0xF) << 28) | (eaddr & 0x0FFFFFFF);
-            ctx->prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
-            return 0;
-        }
-
         switch (type) {
         case ACCESS_INT:
             /* Integer load/store : only access allowed */
@@ -1539,7 +1519,6 @@ bool ppc_xlate(PowerPCCPU *cpu, vaddr eaddr, MMUAccessType access_type,
 #endif
 
     case POWERPC_MMU_32B:
-    case POWERPC_MMU_601:
         return ppc_hash32_xlate(cpu, eaddr, access_type, raddrp,
                                psizep, protp, mmu_idx, guest_visible);
 
diff --git a/target/ppc/mmu_helper.c b/target/ppc/mmu_helper.c
index a2a52a1..142a717 100644
--- a/target/ppc/mmu_helper.c
+++ b/target/ppc/mmu_helper.c
@@ -279,88 +279,6 @@ void helper_store_dbatl(CPUPPCState *env, uint32_t nr, target_ulong value)
     env->DBAT[1][nr] = value;
 }
 
-void helper_store_601_batu(CPUPPCState *env, uint32_t nr, target_ulong value)
-{
-    target_ulong mask;
-#if defined(FLUSH_ALL_TLBS)
-    int do_inval;
-#endif
-
-    dump_store_bat(env, 'I', 0, nr, value);
-    if (env->IBAT[0][nr] != value) {
-#if defined(FLUSH_ALL_TLBS)
-        do_inval = 0;
-#endif
-        mask = (env->IBAT[1][nr] << 17) & 0x0FFE0000UL;
-        if (env->IBAT[1][nr] & 0x40) {
-            /* Invalidate BAT only if it is valid */
-#if !defined(FLUSH_ALL_TLBS)
-            do_invalidate_BAT(env, env->IBAT[0][nr], mask);
-#else
-            do_inval = 1;
-#endif
-        }
-        /*
-         * When storing valid upper BAT, mask BEPI and BRPN and
-         * invalidate all TLBs covered by this BAT
-         */
-        env->IBAT[0][nr] = (value & 0x00001FFFUL) |
-            (value & ~0x0001FFFFUL & ~mask);
-        env->DBAT[0][nr] = env->IBAT[0][nr];
-        if (env->IBAT[1][nr] & 0x40) {
-#if !defined(FLUSH_ALL_TLBS)
-            do_invalidate_BAT(env, env->IBAT[0][nr], mask);
-#else
-            do_inval = 1;
-#endif
-        }
-#if defined(FLUSH_ALL_TLBS)
-        if (do_inval) {
-            tlb_flush(env_cpu(env));
-        }
-#endif
-    }
-}
-
-void helper_store_601_batl(CPUPPCState *env, uint32_t nr, target_ulong value)
-{
-#if !defined(FLUSH_ALL_TLBS)
-    target_ulong mask;
-#else
-    int do_inval;
-#endif
-
-    dump_store_bat(env, 'I', 1, nr, value);
-    if (env->IBAT[1][nr] != value) {
-#if defined(FLUSH_ALL_TLBS)
-        do_inval = 0;
-#endif
-        if (env->IBAT[1][nr] & 0x40) {
-#if !defined(FLUSH_ALL_TLBS)
-            mask = (env->IBAT[1][nr] << 17) & 0x0FFE0000UL;
-            do_invalidate_BAT(env, env->IBAT[0][nr], mask);
-#else
-            do_inval = 1;
-#endif
-        }
-        if (value & 0x40) {
-#if !defined(FLUSH_ALL_TLBS)
-            mask = (value << 17) & 0x0FFE0000UL;
-            do_invalidate_BAT(env, env->IBAT[0][nr], mask);
-#else
-            do_inval = 1;
-#endif
-        }
-        env->IBAT[1][nr] = value;
-        env->DBAT[1][nr] = value;
-#if defined(FLUSH_ALL_TLBS)
-        if (do_inval) {
-            tlb_flush(env_cpu(env));
-        }
-#endif
-    }
-}
-
 /*****************************************************************************/
 /* TLB management */
 void ppc_tlb_invalidate_all(CPUPPCState *env)
@@ -392,7 +310,6 @@ void ppc_tlb_invalidate_all(CPUPPCState *env)
         booke206_flush_tlb(env, -1, 0);
         break;
     case POWERPC_MMU_32B:
-    case POWERPC_MMU_601:
         env->tlb_need_flush = 0;
         tlb_flush(env_cpu(env));
         break;
@@ -426,7 +343,6 @@ void ppc_tlb_invalidate_one(CPUPPCState *env, target_ulong addr)
         }
         break;
     case POWERPC_MMU_32B:
-    case POWERPC_MMU_601:
         /*
          * Actual CPUs invalidate entire congruence classes based on
          * the geometry of their TLBs and some OSes take that into
diff --git a/target/ppc/spr_tcg.h b/target/ppc/spr_tcg.h
index 89ff111..df2abac 100644
--- a/target/ppc/spr_tcg.h
+++ b/target/ppc/spr_tcg.h
@@ -45,8 +45,6 @@ void spr_read_tbl(DisasContext *ctx, int gprn, int sprn);
 void spr_read_tbu(DisasContext *ctx, int gprn, int sprn);
 void spr_read_atbl(DisasContext *ctx, int gprn, int sprn);
 void spr_read_atbu(DisasContext *ctx, int gprn, int sprn);
-void spr_read_601_rtcl(DisasContext *ctx, int gprn, int sprn);
-void spr_read_601_rtcu(DisasContext *ctx, int gprn, int sprn);
 void spr_read_spefscr(DisasContext *ctx, int gprn, int sprn);
 void spr_write_spefscr(DisasContext *ctx, int sprn, int gprn);
 void spr_write_MMCR0_ureg(DisasContext *ctx, int sprn, int gprn);
@@ -77,12 +75,6 @@ void spr_write_dbatu_h(DisasContext *ctx, int sprn, int gprn);
 void spr_write_dbatl(DisasContext *ctx, int sprn, int gprn);
 void spr_write_dbatl_h(DisasContext *ctx, int sprn, int gprn);
 void spr_write_sdr1(DisasContext *ctx, int sprn, int gprn);
-void spr_write_601_rtcu(DisasContext *ctx, int sprn, int gprn);
-void spr_write_601_rtcl(DisasContext *ctx, int sprn, int gprn);
-void spr_write_hid0_601(DisasContext *ctx, int sprn, int gprn);
-void spr_read_601_ubat(DisasContext *ctx, int gprn, int sprn);
-void spr_write_601_ubatu(DisasContext *ctx, int sprn, int gprn);
-void spr_write_601_ubatl(DisasContext *ctx, int sprn, int gprn);
 void spr_read_40x_pit(DisasContext *ctx, int gprn, int sprn);
 void spr_write_40x_pit(DisasContext *ctx, int sprn, int gprn);
 void spr_write_40x_dbcr0(DisasContext *ctx, int sprn, int gprn);
diff --git a/target/ppc/timebase_helper.c b/target/ppc/timebase_helper.c
index af37831..86d01d6 100644
--- a/target/ppc/timebase_helper.c
+++ b/target/ppc/timebase_helper.c
@@ -63,16 +63,6 @@ void helper_store_purr(CPUPPCState *env, target_ulong val)
 }
 #endif
 
-target_ulong helper_load_601_rtcl(CPUPPCState *env)
-{
-    return cpu_ppc601_load_rtcl(env);
-}
-
-target_ulong helper_load_601_rtcu(CPUPPCState *env)
-{
-    return cpu_ppc601_load_rtcu(env);
-}
-
 #if !defined(CONFIG_USER_ONLY)
 void helper_store_tbl(CPUPPCState *env, target_ulong val)
 {
@@ -94,16 +84,6 @@ void helper_store_atbu(CPUPPCState *env, target_ulong val)
     cpu_ppc_store_atbu(env, val);
 }
 
-void helper_store_601_rtcl(CPUPPCState *env, target_ulong val)
-{
-    cpu_ppc601_store_rtcl(env, val);
-}
-
-void helper_store_601_rtcu(CPUPPCState *env, target_ulong val)
-{
-    cpu_ppc601_store_rtcu(env, val);
-}
-
 target_ulong helper_load_decr(CPUPPCState *env)
 {
     return cpu_ppc_load_decr(env);
diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index c2f436f..2eaffd4 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -794,61 +794,6 @@ void spr_write_dpdes(DisasContext *ctx, int sprn, int gprn)
 #endif
 #endif
 
-/* PowerPC 601 specific registers */
-/* RTC */
-void spr_read_601_rtcl(DisasContext *ctx, int gprn, int sprn)
-{
-    gen_helper_load_601_rtcl(cpu_gpr[gprn], cpu_env);
-}
-
-void spr_read_601_rtcu(DisasContext *ctx, int gprn, int sprn)
-{
-    gen_helper_load_601_rtcu(cpu_gpr[gprn], cpu_env);
-}
-
-#if !defined(CONFIG_USER_ONLY)
-void spr_write_601_rtcu(DisasContext *ctx, int sprn, int gprn)
-{
-    gen_helper_store_601_rtcu(cpu_env, cpu_gpr[gprn]);
-}
-
-void spr_write_601_rtcl(DisasContext *ctx, int sprn, int gprn)
-{
-    gen_helper_store_601_rtcl(cpu_env, cpu_gpr[gprn]);
-}
-
-void spr_write_hid0_601(DisasContext *ctx, int sprn, int gprn)
-{
-    gen_helper_store_hid0_601(cpu_env, cpu_gpr[gprn]);
-    /* Must stop the translation as endianness may have changed */
-    ctx->base.is_jmp = DISAS_EXIT_UPDATE;
-}
-#endif
-
-/* Unified bats */
-#if !defined(CONFIG_USER_ONLY)
-void spr_read_601_ubat(DisasContext *ctx, int gprn, int sprn)
-{
-    tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env,
-                  offsetof(CPUPPCState,
-                           IBAT[sprn & 1][(sprn - SPR_IBAT0U) / 2]));
-}
-
-void spr_write_601_ubatu(DisasContext *ctx, int sprn, int gprn)
-{
-    TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0U) / 2);
-    gen_helper_store_601_batl(cpu_env, t0, cpu_gpr[gprn]);
-    tcg_temp_free_i32(t0);
-}
-
-void spr_write_601_ubatl(DisasContext *ctx, int sprn, int gprn)
-{
-    TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0U) / 2);
-    gen_helper_store_601_batu(cpu_env, t0, cpu_gpr[gprn]);
-    tcg_temp_free_i32(t0);
-}
-#endif
-
 /* PowerPC 40x specific registers */
 #if !defined(CONFIG_USER_ONLY)
 void spr_read_40x_pit(DisasContext *ctx, int gprn, int sprn)
@@ -5609,669 +5554,6 @@ static void gen_ecowx(DisasContext *ctx)
     tcg_temp_free(t0);
 }
 
-/* PowerPC 601 specific instructions */
-
-/* abs - abs. */
-static void gen_abs(DisasContext *ctx)
-{
-    TCGv d = cpu_gpr[rD(ctx->opcode)];
-    TCGv a = cpu_gpr[rA(ctx->opcode)];
-
-    tcg_gen_abs_tl(d, a);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, d);
-    }
-}
-
-/* abso - abso. */
-static void gen_abso(DisasContext *ctx)
-{
-    TCGv d = cpu_gpr[rD(ctx->opcode)];
-    TCGv a = cpu_gpr[rA(ctx->opcode)];
-
-    tcg_gen_setcondi_tl(TCG_COND_EQ, cpu_ov, a, 0x80000000);
-    tcg_gen_abs_tl(d, a);
-    tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, d);
-    }
-}
-
-/* clcs */
-static void gen_clcs(DisasContext *ctx)
-{
-    TCGv_i32 t0 = tcg_const_i32(rA(ctx->opcode));
-    gen_helper_clcs(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
-    tcg_temp_free_i32(t0);
-    /* Rc=1 sets CR0 to an undefined state */
-}
-
-/* div - div. */
-static void gen_div(DisasContext *ctx)
-{
-    gen_helper_div(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
-                   cpu_gpr[rB(ctx->opcode)]);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
-    }
-}
-
-/* divo - divo. */
-static void gen_divo(DisasContext *ctx)
-{
-    gen_helper_divo(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
-                    cpu_gpr[rB(ctx->opcode)]);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
-    }
-}
-
-/* divs - divs. */
-static void gen_divs(DisasContext *ctx)
-{
-    gen_helper_divs(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
-                    cpu_gpr[rB(ctx->opcode)]);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
-    }
-}
-
-/* divso - divso. */
-static void gen_divso(DisasContext *ctx)
-{
-    gen_helper_divso(cpu_gpr[rD(ctx->opcode)], cpu_env,
-                     cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
-    }
-}
-
-/* doz - doz. */
-static void gen_doz(DisasContext *ctx)
-{
-    TCGLabel *l1 = gen_new_label();
-    TCGLabel *l2 = gen_new_label();
-    tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)],
-                      cpu_gpr[rA(ctx->opcode)], l1);
-    tcg_gen_sub_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
-                   cpu_gpr[rA(ctx->opcode)]);
-    tcg_gen_br(l2);
-    gen_set_label(l1);
-    tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
-    gen_set_label(l2);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
-    }
-}
-
-/* dozo - dozo. */
-static void gen_dozo(DisasContext *ctx)
-{
-    TCGLabel *l1 = gen_new_label();
-    TCGLabel *l2 = gen_new_label();
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_new();
-    TCGv t2 = tcg_temp_new();
-    /* Start with XER OV disabled, the most likely case */
-    tcg_gen_movi_tl(cpu_ov, 0);
-    tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)],
-                      cpu_gpr[rA(ctx->opcode)], l1);
-    tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
-    tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
-    tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0);
-    tcg_gen_andc_tl(t1, t1, t2);
-    tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
-    tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
-    tcg_gen_movi_tl(cpu_ov, 1);
-    tcg_gen_movi_tl(cpu_so, 1);
-    tcg_gen_br(l2);
-    gen_set_label(l1);
-    tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
-    gen_set_label(l2);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    tcg_temp_free(t2);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
-    }
-}
-
-/* dozi */
-static void gen_dozi(DisasContext *ctx)
-{
-    target_long simm = SIMM(ctx->opcode);
-    TCGLabel *l1 = gen_new_label();
-    TCGLabel *l2 = gen_new_label();
-    tcg_gen_brcondi_tl(TCG_COND_LT, cpu_gpr[rA(ctx->opcode)], simm, l1);
-    tcg_gen_subfi_tl(cpu_gpr[rD(ctx->opcode)], simm, cpu_gpr[rA(ctx->opcode)]);
-    tcg_gen_br(l2);
-    gen_set_label(l1);
-    tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
-    gen_set_label(l2);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
-    }
-}
-
-/* lscbx - lscbx. */
-static void gen_lscbx(DisasContext *ctx)
-{
-    TCGv t0 = tcg_temp_new();
-    TCGv_i32 t1 = tcg_const_i32(rD(ctx->opcode));
-    TCGv_i32 t2 = tcg_const_i32(rA(ctx->opcode));
-    TCGv_i32 t3 = tcg_const_i32(rB(ctx->opcode));
-
-    gen_addr_reg_index(ctx, t0);
-    gen_helper_lscbx(t0, cpu_env, t0, t1, t2, t3);
-    tcg_temp_free_i32(t1);
-    tcg_temp_free_i32(t2);
-    tcg_temp_free_i32(t3);
-    tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F);
-    tcg_gen_or_tl(cpu_xer, cpu_xer, t0);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, t0);
-    }
-    tcg_temp_free(t0);
-}
-
-/* maskg - maskg. */
-static void gen_maskg(DisasContext *ctx)
-{
-    TCGLabel *l1 = gen_new_label();
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_new();
-    TCGv t2 = tcg_temp_new();
-    TCGv t3 = tcg_temp_new();
-    tcg_gen_movi_tl(t3, 0xFFFFFFFF);
-    tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
-    tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F);
-    tcg_gen_addi_tl(t2, t0, 1);
-    tcg_gen_shr_tl(t2, t3, t2);
-    tcg_gen_shr_tl(t3, t3, t1);
-    tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3);
-    tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
-    tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
-    gen_set_label(l1);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    tcg_temp_free(t2);
-    tcg_temp_free(t3);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* maskir - maskir. */
-static void gen_maskir(DisasContext *ctx)
-{
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_new();
-    tcg_gen_and_tl(t0, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
-    tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
-    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* mul - mul. */
-static void gen_mul(DisasContext *ctx)
-{
-    TCGv_i64 t0 = tcg_temp_new_i64();
-    TCGv_i64 t1 = tcg_temp_new_i64();
-    TCGv t2 = tcg_temp_new();
-    tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
-    tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
-    tcg_gen_mul_i64(t0, t0, t1);
-    tcg_gen_trunc_i64_tl(t2, t0);
-    gen_store_spr(SPR_MQ, t2);
-    tcg_gen_shri_i64(t1, t0, 32);
-    tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
-    tcg_temp_free_i64(t0);
-    tcg_temp_free_i64(t1);
-    tcg_temp_free(t2);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
-    }
-}
-
-/* mulo - mulo. */
-static void gen_mulo(DisasContext *ctx)
-{
-    TCGLabel *l1 = gen_new_label();
-    TCGv_i64 t0 = tcg_temp_new_i64();
-    TCGv_i64 t1 = tcg_temp_new_i64();
-    TCGv t2 = tcg_temp_new();
-    /* Start with XER OV disabled, the most likely case */
-    tcg_gen_movi_tl(cpu_ov, 0);
-    tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
-    tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
-    tcg_gen_mul_i64(t0, t0, t1);
-    tcg_gen_trunc_i64_tl(t2, t0);
-    gen_store_spr(SPR_MQ, t2);
-    tcg_gen_shri_i64(t1, t0, 32);
-    tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
-    tcg_gen_ext32s_i64(t1, t0);
-    tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1);
-    tcg_gen_movi_tl(cpu_ov, 1);
-    tcg_gen_movi_tl(cpu_so, 1);
-    gen_set_label(l1);
-    tcg_temp_free_i64(t0);
-    tcg_temp_free_i64(t1);
-    tcg_temp_free(t2);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
-    }
-}
-
-/* nabs - nabs. */
-static void gen_nabs(DisasContext *ctx)
-{
-    TCGv d = cpu_gpr[rD(ctx->opcode)];
-    TCGv a = cpu_gpr[rA(ctx->opcode)];
-
-    tcg_gen_abs_tl(d, a);
-    tcg_gen_neg_tl(d, d);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, d);
-    }
-}
-
-/* nabso - nabso. */
-static void gen_nabso(DisasContext *ctx)
-{
-    TCGv d = cpu_gpr[rD(ctx->opcode)];
-    TCGv a = cpu_gpr[rA(ctx->opcode)];
-
-    tcg_gen_abs_tl(d, a);
-    tcg_gen_neg_tl(d, d);
-    /* nabs never overflows */
-    tcg_gen_movi_tl(cpu_ov, 0);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, d);
-    }
-}
-
-/* rlmi - rlmi. */
-static void gen_rlmi(DisasContext *ctx)
-{
-    uint32_t mb = MB(ctx->opcode);
-    uint32_t me = ME(ctx->opcode);
-    TCGv t0 = tcg_temp_new();
-    tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
-    tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
-    tcg_gen_andi_tl(t0, t0, MASK(mb, me));
-    tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
-                    ~MASK(mb, me));
-    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0);
-    tcg_temp_free(t0);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* rrib - rrib. */
-static void gen_rrib(DisasContext *ctx)
-{
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_new();
-    tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
-    tcg_gen_movi_tl(t1, 0x80000000);
-    tcg_gen_shr_tl(t1, t1, t0);
-    tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
-    tcg_gen_and_tl(t0, t0, t1);
-    tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1);
-    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* sle - sle. */
-static void gen_sle(DisasContext *ctx)
-{
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_new();
-    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
-    tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
-    tcg_gen_subfi_tl(t1, 32, t1);
-    tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
-    tcg_gen_or_tl(t1, t0, t1);
-    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
-    gen_store_spr(SPR_MQ, t1);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* sleq - sleq. */
-static void gen_sleq(DisasContext *ctx)
-{
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_new();
-    TCGv t2 = tcg_temp_new();
-    tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
-    tcg_gen_movi_tl(t2, 0xFFFFFFFF);
-    tcg_gen_shl_tl(t2, t2, t0);
-    tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
-    gen_load_spr(t1, SPR_MQ);
-    gen_store_spr(SPR_MQ, t0);
-    tcg_gen_and_tl(t0, t0, t2);
-    tcg_gen_andc_tl(t1, t1, t2);
-    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    tcg_temp_free(t2);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* sliq - sliq. */
-static void gen_sliq(DisasContext *ctx)
-{
-    int sh = SH(ctx->opcode);
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_new();
-    tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
-    tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
-    tcg_gen_or_tl(t1, t0, t1);
-    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
-    gen_store_spr(SPR_MQ, t1);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* slliq - slliq. */
-static void gen_slliq(DisasContext *ctx)
-{
-    int sh = SH(ctx->opcode);
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_new();
-    tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
-    gen_load_spr(t1, SPR_MQ);
-    gen_store_spr(SPR_MQ, t0);
-    tcg_gen_andi_tl(t0, t0,  (0xFFFFFFFFU << sh));
-    tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh));
-    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* sllq - sllq. */
-static void gen_sllq(DisasContext *ctx)
-{
-    TCGLabel *l1 = gen_new_label();
-    TCGLabel *l2 = gen_new_label();
-    TCGv t0 = tcg_temp_local_new();
-    TCGv t1 = tcg_temp_local_new();
-    TCGv t2 = tcg_temp_local_new();
-    tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
-    tcg_gen_movi_tl(t1, 0xFFFFFFFF);
-    tcg_gen_shl_tl(t1, t1, t2);
-    tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
-    tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
-    gen_load_spr(t0, SPR_MQ);
-    tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
-    tcg_gen_br(l2);
-    gen_set_label(l1);
-    tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
-    gen_load_spr(t2, SPR_MQ);
-    tcg_gen_andc_tl(t1, t2, t1);
-    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
-    gen_set_label(l2);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    tcg_temp_free(t2);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* slq - slq. */
-static void gen_slq(DisasContext *ctx)
-{
-    TCGLabel *l1 = gen_new_label();
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_new();
-    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
-    tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
-    tcg_gen_subfi_tl(t1, 32, t1);
-    tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
-    tcg_gen_or_tl(t1, t0, t1);
-    gen_store_spr(SPR_MQ, t1);
-    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
-    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
-    tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
-    tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
-    gen_set_label(l1);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* sraiq - sraiq. */
-static void gen_sraiq(DisasContext *ctx)
-{
-    int sh = SH(ctx->opcode);
-    TCGLabel *l1 = gen_new_label();
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_new();
-    tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
-    tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
-    tcg_gen_or_tl(t0, t0, t1);
-    gen_store_spr(SPR_MQ, t0);
-    tcg_gen_movi_tl(cpu_ca, 0);
-    tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
-    tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1);
-    tcg_gen_movi_tl(cpu_ca, 1);
-    gen_set_label(l1);
-    tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* sraq - sraq. */
-static void gen_sraq(DisasContext *ctx)
-{
-    TCGLabel *l1 = gen_new_label();
-    TCGLabel *l2 = gen_new_label();
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_local_new();
-    TCGv t2 = tcg_temp_local_new();
-    tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
-    tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
-    tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2);
-    tcg_gen_subfi_tl(t2, 32, t2);
-    tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2);
-    tcg_gen_or_tl(t0, t0, t2);
-    gen_store_spr(SPR_MQ, t0);
-    tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
-    tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1);
-    tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]);
-    tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31);
-    gen_set_label(l1);
-    tcg_temp_free(t0);
-    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1);
-    tcg_gen_movi_tl(cpu_ca, 0);
-    tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
-    tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2);
-    tcg_gen_movi_tl(cpu_ca, 1);
-    gen_set_label(l2);
-    tcg_temp_free(t1);
-    tcg_temp_free(t2);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* sre - sre. */
-static void gen_sre(DisasContext *ctx)
-{
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_new();
-    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
-    tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
-    tcg_gen_subfi_tl(t1, 32, t1);
-    tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
-    tcg_gen_or_tl(t1, t0, t1);
-    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
-    gen_store_spr(SPR_MQ, t1);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* srea - srea. */
-static void gen_srea(DisasContext *ctx)
-{
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_new();
-    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
-    tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
-    gen_store_spr(SPR_MQ, t0);
-    tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* sreq */
-static void gen_sreq(DisasContext *ctx)
-{
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_new();
-    TCGv t2 = tcg_temp_new();
-    tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
-    tcg_gen_movi_tl(t1, 0xFFFFFFFF);
-    tcg_gen_shr_tl(t1, t1, t0);
-    tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
-    gen_load_spr(t2, SPR_MQ);
-    gen_store_spr(SPR_MQ, t0);
-    tcg_gen_and_tl(t0, t0, t1);
-    tcg_gen_andc_tl(t2, t2, t1);
-    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    tcg_temp_free(t2);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* sriq */
-static void gen_sriq(DisasContext *ctx)
-{
-    int sh = SH(ctx->opcode);
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_new();
-    tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
-    tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
-    tcg_gen_or_tl(t1, t0, t1);
-    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
-    gen_store_spr(SPR_MQ, t1);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* srliq */
-static void gen_srliq(DisasContext *ctx)
-{
-    int sh = SH(ctx->opcode);
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_new();
-    tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
-    gen_load_spr(t1, SPR_MQ);
-    gen_store_spr(SPR_MQ, t0);
-    tcg_gen_andi_tl(t0, t0,  (0xFFFFFFFFU >> sh));
-    tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh));
-    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* srlq */
-static void gen_srlq(DisasContext *ctx)
-{
-    TCGLabel *l1 = gen_new_label();
-    TCGLabel *l2 = gen_new_label();
-    TCGv t0 = tcg_temp_local_new();
-    TCGv t1 = tcg_temp_local_new();
-    TCGv t2 = tcg_temp_local_new();
-    tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
-    tcg_gen_movi_tl(t1, 0xFFFFFFFF);
-    tcg_gen_shr_tl(t2, t1, t2);
-    tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
-    tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
-    gen_load_spr(t0, SPR_MQ);
-    tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
-    tcg_gen_br(l2);
-    gen_set_label(l1);
-    tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
-    tcg_gen_and_tl(t0, t0, t2);
-    gen_load_spr(t1, SPR_MQ);
-    tcg_gen_andc_tl(t1, t1, t2);
-    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
-    gen_set_label(l2);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    tcg_temp_free(t2);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
-/* srq */
-static void gen_srq(DisasContext *ctx)
-{
-    TCGLabel *l1 = gen_new_label();
-    TCGv t0 = tcg_temp_new();
-    TCGv t1 = tcg_temp_new();
-    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
-    tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
-    tcg_gen_subfi_tl(t1, 32, t1);
-    tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
-    tcg_gen_or_tl(t1, t0, t1);
-    gen_store_spr(SPR_MQ, t1);
-    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
-    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
-    tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
-    tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
-    gen_set_label(l1);
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
-    }
-}
-
 /* 602 - 603 - G2 TLB management */
 
 /* tlbld */
@@ -6296,81 +5578,6 @@ static void gen_tlbli_6xx(DisasContext *ctx)
 #endif /* defined(CONFIG_USER_ONLY) */
 }
 
-/* POWER instructions not in PowerPC 601 */
-
-/* clf */
-static void gen_clf(DisasContext *ctx)
-{
-    /* Cache line flush: implemented as no-op */
-}
-
-/* cli */
-static void gen_cli(DisasContext *ctx)
-{
-#if defined(CONFIG_USER_ONLY)
-    GEN_PRIV;
-#else
-    /* Cache line invalidate: privileged and treated as no-op */
-    CHK_SV;
-#endif /* defined(CONFIG_USER_ONLY) */
-}
-
-/* dclst */
-static void gen_dclst(DisasContext *ctx)
-{
-    /* Data cache line store: treated as no-op */
-}
-
-static void gen_mfsri(DisasContext *ctx)
-{
-#if defined(CONFIG_USER_ONLY)
-    GEN_PRIV;
-#else
-    int ra = rA(ctx->opcode);
-    int rd = rD(ctx->opcode);
-    TCGv t0;
-
-    CHK_SV;
-    t0 = tcg_temp_new();
-    gen_addr_reg_index(ctx, t0);
-    tcg_gen_extract_tl(t0, t0, 28, 4);
-    gen_helper_load_sr(cpu_gpr[rd], cpu_env, t0);
-    tcg_temp_free(t0);
-    if (ra != 0 && ra != rd) {
-        tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rd]);
-    }
-#endif /* defined(CONFIG_USER_ONLY) */
-}
-
-static void gen_rac(DisasContext *ctx)
-{
-#if defined(CONFIG_USER_ONLY)
-    GEN_PRIV;
-#else
-    TCGv t0;
-
-    CHK_SV;
-    t0 = tcg_temp_new();
-    gen_addr_reg_index(ctx, t0);
-    gen_helper_rac(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
-    tcg_temp_free(t0);
-#endif /* defined(CONFIG_USER_ONLY) */
-}
-
-static void gen_rfsvc(DisasContext *ctx)
-{
-#if defined(CONFIG_USER_ONLY)
-    GEN_PRIV;
-#else
-    CHK_SV;
-
-    gen_helper_rfsvc(cpu_env);
-    ctx->base.is_jmp = DISAS_EXIT;
-#endif /* defined(CONFIG_USER_ONLY) */
-}
-
-/* svc is not implemented for now */
-
 /* BookE specific instructions */
 
 /* XXX: not implemented on 440 ? */
@@ -7718,56 +6925,8 @@ GEN_HANDLER_E(slbsync, 0x1F, 0x12, 0x0A, 0x03FFF801, PPC_NONE, PPC2_ISA300),
 #endif
 GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN),
 GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN),
-GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR),
-GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR),
-GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR),
-GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR),
-GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR),
 GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB),
 GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB),
-GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER),
-GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER),
-GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER),
-GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER),
-GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER),
-GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER),
-GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
-GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
-GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2),
-GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2),
-GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
-GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
-GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2),
-GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2),
 GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI),
 GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA),
 GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR),
@@ -8463,7 +7622,6 @@ static void ppc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
     ctx->has_cfar = !!(env->flags & POWERPC_FLAG_CFAR);
 #endif
     ctx->lazy_tlb_flush = env->mmu_model == POWERPC_MMU_32B
-        || env->mmu_model == POWERPC_MMU_601
         || env->mmu_model & POWERPC_MMU_64;
 
     ctx->fpu_enabled = (hflags >> HFLAGS_FP) & 1;
diff --git a/target/ppc/translate/fp-impl.c.inc b/target/ppc/translate/fp-impl.c.inc
index c967697..cfb27bd 100644
--- a/target/ppc/translate/fp-impl.c.inc
+++ b/target/ppc/translate/fp-impl.c.inc
@@ -1105,185 +1105,6 @@ static inline void gen_qemu_st32fiw(DisasContext *ctx, TCGv_i64 arg1, TCGv arg2)
 /* stfiwx */
 GEN_STXF(stfiw, st32fiw, 0x17, 0x1E, PPC_FLOAT_STFIWX);
 
-/* POWER2 specific instructions */
-/* Quad manipulation (load/store two floats at a time) */
-
-/* lfq */
-static void gen_lfq(DisasContext *ctx)
-{
-    int rd = rD(ctx->opcode);
-    TCGv t0;
-    TCGv_i64 t1;
-    gen_set_access_type(ctx, ACCESS_FLOAT);
-    t0 = tcg_temp_new();
-    t1 = tcg_temp_new_i64();
-    gen_addr_imm_index(ctx, t0, 0);
-    gen_qemu_ld64_i64(ctx, t1, t0);
-    set_fpr(rd, t1);
-    gen_addr_add(ctx, t0, t0, 8);
-    gen_qemu_ld64_i64(ctx, t1, t0);
-    set_fpr((rd + 1) % 32, t1);
-    tcg_temp_free(t0);
-    tcg_temp_free_i64(t1);
-}
-
-/* lfqu */
-static void gen_lfqu(DisasContext *ctx)
-{
-    int ra = rA(ctx->opcode);
-    int rd = rD(ctx->opcode);
-    TCGv t0, t1;
-    TCGv_i64 t2;
-    gen_set_access_type(ctx, ACCESS_FLOAT);
-    t0 = tcg_temp_new();
-    t1 = tcg_temp_new();
-    t2 = tcg_temp_new_i64();
-    gen_addr_imm_index(ctx, t0, 0);
-    gen_qemu_ld64_i64(ctx, t2, t0);
-    set_fpr(rd, t2);
-    gen_addr_add(ctx, t1, t0, 8);
-    gen_qemu_ld64_i64(ctx, t2, t1);
-    set_fpr((rd + 1) % 32, t2);
-    if (ra != 0) {
-        tcg_gen_mov_tl(cpu_gpr[ra], t0);
-    }
-    tcg_temp_free(t0);
-    tcg_temp_free(t1);
-    tcg_temp_free_i64(t2);
-}
-
-/* lfqux */
-static void gen_lfqux(DisasContext *ctx)
-{
-    int ra = rA(ctx->opcode);
-    int rd = rD(ctx->opcode);
-    gen_set_access_type(ctx, ACCESS_FLOAT);
-    TCGv t0, t1;
-    TCGv_i64 t2;
-    t2 = tcg_temp_new_i64();
-    t0 = tcg_temp_new();
-    gen_addr_reg_index(ctx, t0);
-    gen_qemu_ld64_i64(ctx, t2, t0);
-    set_fpr(rd, t2);
-    t1 = tcg_temp_new();
-    gen_addr_add(ctx, t1, t0, 8);
-    gen_qemu_ld64_i64(ctx, t2, t1);
-    set_fpr((rd + 1) % 32, t2);
-    tcg_temp_free(t1);
-    if (ra != 0) {
-        tcg_gen_mov_tl(cpu_gpr[ra], t0);
-    }
-    tcg_temp_free(t0);
-    tcg_temp_free_i64(t2);
-}
-
-/* lfqx */
-static void gen_lfqx(DisasContext *ctx)
-{
-    int rd = rD(ctx->opcode);
-    TCGv t0;
-    TCGv_i64 t1;
-    gen_set_access_type(ctx, ACCESS_FLOAT);
-    t0 = tcg_temp_new();
-    t1 = tcg_temp_new_i64();
-    gen_addr_reg_index(ctx, t0);
-    gen_qemu_ld64_i64(ctx, t1, t0);
-    set_fpr(rd, t1);
-    gen_addr_add(ctx, t0, t0, 8);
-    gen_qemu_ld64_i64(ctx, t1, t0);
-    set_fpr((rd + 1) % 32, t1);
-    tcg_temp_free(t0);
-    tcg_temp_free_i64(t1);
-}
-
-/* stfq */
-static void gen_stfq(DisasContext *ctx)
-{
-    int rd = rD(ctx->opcode);
-    TCGv t0;
-    TCGv_i64 t1;
-    gen_set_access_type(ctx, ACCESS_FLOAT);
-    t0 = tcg_temp_new();
-    t1 = tcg_temp_new_i64();
-    gen_addr_imm_index(ctx, t0, 0);
-    get_fpr(t1, rd);
-    gen_qemu_st64_i64(ctx, t1, t0);
-    gen_addr_add(ctx, t0, t0, 8);
-    get_fpr(t1, (rd + 1) % 32);
-    gen_qemu_st64_i64(ctx, t1, t0);
-    tcg_temp_free(t0);
-    tcg_temp_free_i64(t1);
-}
-
-/* stfqu */
-static void gen_stfqu(DisasContext *ctx)
-{
-    int ra = rA(ctx->opcode);
-    int rd = rD(ctx->opcode);
-    TCGv t0, t1;
-    TCGv_i64 t2;
-    gen_set_access_type(ctx, ACCESS_FLOAT);
-    t2 = tcg_temp_new_i64();
-    t0 = tcg_temp_new();
-    gen_addr_imm_index(ctx, t0, 0);
-    get_fpr(t2, rd);
-    gen_qemu_st64_i64(ctx, t2, t0);
-    t1 = tcg_temp_new();
-    gen_addr_add(ctx, t1, t0, 8);
-    get_fpr(t2, (rd + 1) % 32);
-    gen_qemu_st64_i64(ctx, t2, t1);
-    tcg_temp_free(t1);
-    if (ra != 0) {
-        tcg_gen_mov_tl(cpu_gpr[ra], t0);
-    }
-    tcg_temp_free(t0);
-    tcg_temp_free_i64(t2);
-}
-
-/* stfqux */
-static void gen_stfqux(DisasContext *ctx)
-{
-    int ra = rA(ctx->opcode);
-    int rd = rD(ctx->opcode);
-    TCGv t0, t1;
-    TCGv_i64 t2;
-    gen_set_access_type(ctx, ACCESS_FLOAT);
-    t2 = tcg_temp_new_i64();
-    t0 = tcg_temp_new();
-    gen_addr_reg_index(ctx, t0);
-    get_fpr(t2, rd);
-    gen_qemu_st64_i64(ctx, t2, t0);
-    t1 = tcg_temp_new();
-    gen_addr_add(ctx, t1, t0, 8);
-    get_fpr(t2, (rd + 1) % 32);
-    gen_qemu_st64_i64(ctx, t2, t1);
-    tcg_temp_free(t1);
-    if (ra != 0) {
-        tcg_gen_mov_tl(cpu_gpr[ra], t0);
-    }
-    tcg_temp_free(t0);
-    tcg_temp_free_i64(t2);
-}
-
-/* stfqx */
-static void gen_stfqx(DisasContext *ctx)
-{
-    int rd = rD(ctx->opcode);
-    TCGv t0;
-    TCGv_i64 t1;
-    gen_set_access_type(ctx, ACCESS_FLOAT);
-    t1 = tcg_temp_new_i64();
-    t0 = tcg_temp_new();
-    gen_addr_reg_index(ctx, t0);
-    get_fpr(t1, rd);
-    gen_qemu_st64_i64(ctx, t1, t0);
-    gen_addr_add(ctx, t0, t0, 8);
-    get_fpr(t1, (rd + 1) % 32);
-    gen_qemu_st64_i64(ctx, t1, t0);
-    tcg_temp_free(t0);
-    tcg_temp_free_i64(t1);
-}
-
 /*            Floating-point Load/Store Instructions                         */
 static bool do_lsfpsd(DisasContext *ctx, int rt, int ra, TCGv displ,
                       bool update, bool store, bool single)
diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc
index c636e38..128968b 100644
--- a/target/ppc/translate/vsx-impl.c.inc
+++ b/target/ppc/translate/vsx-impl.c.inc
@@ -747,6 +747,7 @@ static void glue(gen_, name)(DisasContext *ctx)                   \
             }                                                     \
         }                                                         \
         set_cpu_vsr(xT(ctx->opcode), xb, true);                   \
+        set_cpu_vsr(xT(ctx->opcode), tcg_constant_i64(0), false); \
         tcg_temp_free_i64(xb);                                    \
         tcg_temp_free_i64(sgm);                                   \
     }
@@ -1073,6 +1074,7 @@ static void gen_##name(DisasContext *ctx)                     \
     get_cpu_vsr(t0, xB(ctx->opcode), true);                   \
     gen_helper_##name(t1, cpu_env, t0);                       \
     set_cpu_vsr(xT(ctx->opcode), t1, true);                   \
+    set_cpu_vsr(xT(ctx->opcode), tcg_constant_i64(0), false); \
     tcg_temp_free_i64(t0);                                    \
     tcg_temp_free_i64(t1);                                    \
 }
@@ -1700,7 +1702,7 @@ static void gen_xsiexpdp(DisasContext *ctx)
     tcg_gen_shli_i64(t0, t0, 52);
     tcg_gen_or_i64(xth, xth, t0);
     set_cpu_vsr(xT(ctx->opcode), xth, true);
-    /* dword[1] is undefined */
+    set_cpu_vsr(xT(ctx->opcode), tcg_constant_i64(0), false);
     tcg_temp_free_i64(t0);
     tcg_temp_free_i64(xth);
 }