qemu/target/ppc/cpu.h

/*
 *  PowerPC emulation cpu definitions for qemu.
 *
 *  Copyright (c) 2003-2007 Jocelyn Mayer
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */

#ifndef PPC_CPU_H
#define PPC_CPU_H

#include "qemu/int128.h"
#include "qemu/cpu-float.h"
#include "exec/cpu-defs.h"
#include "cpu-qom.h"
#include "qom/object.h"
#include "hw/registerfields.h"

#define CPU_RESOLVING_TYPE TYPE_POWERPC_CPU

#define TARGET_PAGE_BITS_64K 16
#define TARGET_PAGE_BITS_16M 24

#if defined(TARGET_PPC64)
#define PPC_ELF_MACHINE     EM_PPC64
#else
#define PPC_ELF_MACHINE     EM_PPC
#endif

#define PPC_BIT_NR(bit)         (63 - (bit))
#define PPC_BIT(bit)            (0x8000000000000000ULL >> (bit))
#define PPC_BIT32(bit)          (0x80000000 >> (bit))
#define PPC_BIT8(bit)           (0x80 >> (bit))
#define PPC_BITMASK(bs, be)     ((PPC_BIT(bs) - PPC_BIT(be)) | PPC_BIT(bs))
#define PPC_BITMASK32(bs, be)   ((PPC_BIT32(bs) - PPC_BIT32(be)) | \
                                 PPC_BIT32(bs))
#define PPC_BITMASK8(bs, be)    ((PPC_BIT8(bs) - PPC_BIT8(be)) | PPC_BIT8(bs))

/*
 * QEMU version of the GETFIELD/SETFIELD macros from skiboot
 *
 * It might be better to use the existing extract64() and
 * deposit64() but this means that all the register definitions will
 * change and become incompatible with the ones found in skiboot.
 */
#define MASK_TO_LSH(m)          (__builtin_ffsll(m) - 1)
#define GETFIELD(m, v)          (((v) & (m)) >> MASK_TO_LSH(m))
#define SETFIELD(m, v, val) \
        (((v) & ~(m)) | ((((typeof(v))(val)) << MASK_TO_LSH(m)) & (m)))

/*****************************************************************************/
/* Exception vectors definitions                                             */
enum {
    POWERPC_EXCP_NONE    = -1,
    /* The 64 first entries are used by the PowerPC embedded specification   */
    POWERPC_EXCP_CRITICAL = 0,  /* Critical input                            */
    POWERPC_EXCP_MCHECK   = 1,  /* Machine check exception                   */
    POWERPC_EXCP_DSI      = 2,  /* Data storage exception                    */
    POWERPC_EXCP_ISI      = 3,  /* Instruction storage exception             */
    POWERPC_EXCP_EXTERNAL = 4,  /* External input                            */
    POWERPC_EXCP_ALIGN    = 5,  /* Alignment exception                       */
    POWERPC_EXCP_PROGRAM  = 6,  /* Program exception                         */
    POWERPC_EXCP_FPU      = 7,  /* Floating-point unavailable exception      */
    POWERPC_EXCP_SYSCALL  = 8,  /* System call exception                     */
    POWERPC_EXCP_APU      = 9,  /* Auxiliary processor unavailable           */
    POWERPC_EXCP_DECR     = 10, /* Decrementer exception                     */
    POWERPC_EXCP_FIT      = 11, /* Fixed-interval timer interrupt            */
    POWERPC_EXCP_WDT      = 12, /* Watchdog timer interrupt                  */
    POWERPC_EXCP_DTLB     = 13, /* Data TLB miss                             */
    POWERPC_EXCP_ITLB     = 14, /* Instruction TLB miss                      */
    POWERPC_EXCP_DEBUG    = 15, /* Debug interrupt                           */
    /* Vectors 16 to 31 are reserved                                         */
    POWERPC_EXCP_SPEU     = 32, /* SPE/embedded floating-point unavailable   */
    POWERPC_EXCP_EFPDI    = 33, /* Embedded floating-point data interrupt    */
    POWERPC_EXCP_EFPRI    = 34, /* Embedded floating-point round interrupt   */
    POWERPC_EXCP_EPERFM   = 35, /* Embedded performance monitor interrupt    */
    POWERPC_EXCP_DOORI    = 36, /* Embedded doorbell interrupt               */
    POWERPC_EXCP_DOORCI   = 37, /* Embedded doorbell critical interrupt      */
    POWERPC_EXCP_GDOORI   = 38, /* Embedded guest doorbell interrupt         */
    POWERPC_EXCP_GDOORCI  = 39, /* Embedded guest doorbell critical interrupt*/
    POWERPC_EXCP_HYPPRIV  = 41, /* Embedded hypervisor priv instruction      */
    /* Vectors 42 to 63 are reserved                                         */
    /* Exceptions defined in the PowerPC server specification                */
    POWERPC_EXCP_RESET    = 64, /* System reset exception                    */
    POWERPC_EXCP_DSEG     = 65, /* Data segment exception                    */
    POWERPC_EXCP_ISEG     = 66, /* Instruction segment exception             */
    POWERPC_EXCP_HDECR    = 67, /* Hypervisor decrementer exception          */
    POWERPC_EXCP_TRACE    = 68, /* Trace exception                           */
    POWERPC_EXCP_HDSI     = 69, /* Hypervisor data storage exception         */
    POWERPC_EXCP_HISI     = 70, /* Hypervisor instruction storage exception  */
    POWERPC_EXCP_HDSEG    = 71, /* Hypervisor data segment exception         */
    POWERPC_EXCP_HISEG    = 72, /* Hypervisor instruction segment exception  */
    POWERPC_EXCP_VPU      = 73, /* Vector unavailable exception              */
    /* 40x specific exceptions                                               */
    POWERPC_EXCP_PIT      = 74, /* Programmable interval timer interrupt     */
    /* Vectors 75-76 are 601 specific exceptions                             */
    /* 602 specific exceptions                                               */
    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                        */
    POWERPC_EXCP_DSTLB    = 80, /* Data store TLB miss                       */
    /* Exceptions available on most PowerPC                                  */
    POWERPC_EXCP_FPA      = 81, /* Floating-point assist exception           */
    POWERPC_EXCP_DABR     = 82, /* Data address breakpoint                   */
    POWERPC_EXCP_IABR     = 83, /* Instruction address breakpoint            */
    POWERPC_EXCP_SMI      = 84, /* System management interrupt               */
    POWERPC_EXCP_PERFM    = 85, /* Embedded performance monitor interrupt    */
    /* 7xx/74xx specific exceptions                                          */
    POWERPC_EXCP_THERM    = 86, /* Thermal interrupt                         */
    /* 74xx specific exceptions                                              */
    POWERPC_EXCP_VPUA     = 87, /* Vector assist exception                   */
    /* 970FX specific exceptions                                             */
    POWERPC_EXCP_SOFTP    = 88, /* Soft patch exception                      */
    POWERPC_EXCP_MAINT    = 89, /* Maintenance exception                     */
    /* Freescale embedded cores specific exceptions                          */
    POWERPC_EXCP_MEXTBR   = 90, /* Maskable external breakpoint              */
    POWERPC_EXCP_NMEXTBR  = 91, /* Non maskable external breakpoint          */
    POWERPC_EXCP_ITLBE    = 92, /* Instruction TLB error                     */
    POWERPC_EXCP_DTLBE    = 93, /* Data TLB error                            */
    /* VSX Unavailable (Power ISA 2.06 and later)                            */
    POWERPC_EXCP_VSXU     = 94, /* VSX Unavailable                           */
    POWERPC_EXCP_FU       = 95, /* Facility Unavailable                      */
    /* Additional ISA 2.06 and later server exceptions                       */
    POWERPC_EXCP_HV_EMU   = 96, /* HV emulation assistance                   */
    POWERPC_EXCP_HV_MAINT = 97, /* HMI                                       */
    POWERPC_EXCP_HV_FU    = 98, /* Hypervisor Facility unavailable           */
    /* Server doorbell variants */
    POWERPC_EXCP_SDOOR    = 99,
    POWERPC_EXCP_SDOOR_HV = 100,
    /* ISA 3.00 additions */
    POWERPC_EXCP_HVIRT    = 101,
    POWERPC_EXCP_SYSCALL_VECTORED = 102, /* scv exception                     */
    POWERPC_EXCP_PERFM_EBB = 103,    /* Performance Monitor EBB Exception    */
    POWERPC_EXCP_EXTERNAL_EBB = 104, /* External EBB Exception               */
    /* EOL                                                                   */
    POWERPC_EXCP_NB       = 105,
    /* QEMU exceptions: special cases we want to stop translation            */
    POWERPC_EXCP_SYSCALL_USER = 0x203, /* System call in user mode only      */
};

/* Exceptions error codes                                                    */
enum {
    /* Exception subtypes for POWERPC_EXCP_ALIGN                             */
    POWERPC_EXCP_ALIGN_FP      = 0x01,  /* FP alignment exception            */
    POWERPC_EXCP_ALIGN_LST     = 0x02,  /* Unaligned mult/extern load/store  */
    POWERPC_EXCP_ALIGN_LE      = 0x03,  /* Multiple little-endian access     */
    POWERPC_EXCP_ALIGN_PROT    = 0x04,  /* Access cross protection boundary  */
    POWERPC_EXCP_ALIGN_BAT     = 0x05,  /* Access cross a BAT/seg boundary   */
    POWERPC_EXCP_ALIGN_CACHE   = 0x06,  /* Impossible dcbz access            */
    POWERPC_EXCP_ALIGN_INSN    = 0x07,  /* Pref. insn x-ing 64-byte boundary */
    /* Exception subtypes for POWERPC_EXCP_PROGRAM                           */
    /* FP exceptions                                                         */
    POWERPC_EXCP_FP            = 0x10,
    POWERPC_EXCP_FP_OX         = 0x01,  /* FP overflow                       */
    POWERPC_EXCP_FP_UX         = 0x02,  /* FP underflow                      */
    POWERPC_EXCP_FP_ZX         = 0x03,  /* FP divide by zero                 */
    POWERPC_EXCP_FP_XX         = 0x04,  /* FP inexact                        */
    POWERPC_EXCP_FP_VXSNAN     = 0x05,  /* FP invalid SNaN op                */
    POWERPC_EXCP_FP_VXISI      = 0x06,  /* FP invalid infinite subtraction   */
    POWERPC_EXCP_FP_VXIDI      = 0x07,  /* FP invalid infinite divide        */
    POWERPC_EXCP_FP_VXZDZ      = 0x08,  /* FP invalid zero divide            */
    POWERPC_EXCP_FP_VXIMZ      = 0x09,  /* FP invalid infinite * zero        */
    POWERPC_EXCP_FP_VXVC       = 0x0A,  /* FP invalid compare                */
    POWERPC_EXCP_FP_VXSOFT     = 0x0B,  /* FP invalid operation              */
    POWERPC_EXCP_FP_VXSQRT     = 0x0C,  /* FP invalid square root            */
    POWERPC_EXCP_FP_VXCVI      = 0x0D,  /* FP invalid integer conversion     */
    /* Invalid instruction                                                   */
    POWERPC_EXCP_INVAL         = 0x20,
    POWERPC_EXCP_INVAL_INVAL   = 0x01,  /* Invalid instruction               */
    POWERPC_EXCP_INVAL_LSWX    = 0x02,  /* Invalid lswx instruction          */
    POWERPC_EXCP_INVAL_SPR     = 0x03,  /* Invalid SPR access                */
    POWERPC_EXCP_INVAL_FP      = 0x04,  /* Unimplemented mandatory fp instr  */
    /* Privileged instruction                                                */
    POWERPC_EXCP_PRIV          = 0x30,
    POWERPC_EXCP_PRIV_OPC      = 0x01,  /* Privileged operation exception    */
    POWERPC_EXCP_PRIV_REG      = 0x02,  /* Privileged register exception     */
    /* Trap                                                                  */
    POWERPC_EXCP_TRAP          = 0x40,
};

/* Exception model                                                           */
typedef enum powerpc_excp_t {
    POWERPC_EXCP_UNKNOWN   = 0,
    /* Standard PowerPC exception model */
    POWERPC_EXCP_STD,
    /* PowerPC 40x exception model      */
    POWERPC_EXCP_40x,
    /* 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            */
    POWERPC_EXCP_BOOKE,
    /* PowerPC 970 exception model      */
    POWERPC_EXCP_970,
    /* POWER7 exception model           */
    POWERPC_EXCP_POWER7,
    /* POWER8 exception model           */
    POWERPC_EXCP_POWER8,
    /* POWER9 exception model           */
    POWERPC_EXCP_POWER9,
    /* POWER10 exception model           */
    POWERPC_EXCP_POWER10,
} powerpc_excp_t;

/*****************************************************************************/
/* MMU model                                                                 */
typedef enum powerpc_mmu_t {
    POWERPC_MMU_UNKNOWN    = 0x00000000,
    /* Standard 32 bits PowerPC MMU                            */
    POWERPC_MMU_32B        = 0x00000001,
    /* PowerPC 6xx MMU with software TLB                       */
    POWERPC_MMU_SOFT_6xx   = 0x00000002,
    /*
     * PowerPC 74xx MMU with software TLB (this has been
     * disabled, see git history for more information.
     * keywords: tlbld tlbli TLBMISS PTEHI PTELO)
     */
    POWERPC_MMU_SOFT_74xx  = 0x00000003,
    /* PowerPC 4xx MMU with software TLB                       */
    POWERPC_MMU_SOFT_4xx   = 0x00000004,
    /* PowerPC MMU in real mode only                           */
    POWERPC_MMU_REAL       = 0x00000006,
    /* Freescale MPC8xx MMU model                              */
    POWERPC_MMU_MPC8xx     = 0x00000007,
    /* BookE MMU model                                         */
    POWERPC_MMU_BOOKE      = 0x00000008,
    /* BookE 2.06 MMU model                                    */
    POWERPC_MMU_BOOKE206   = 0x00000009,
#define POWERPC_MMU_64       0x00010000
    /* 64 bits PowerPC MMU                                     */
    POWERPC_MMU_64B        = POWERPC_MMU_64 | 0x00000001,
    /* Architecture 2.03 and later (has LPCR) */
    POWERPC_MMU_2_03       = POWERPC_MMU_64 | 0x00000002,
    /* Architecture 2.06 variant                               */
    POWERPC_MMU_2_06       = POWERPC_MMU_64 | 0x00000003,
    /* Architecture 2.07 variant                               */
    POWERPC_MMU_2_07       = POWERPC_MMU_64 | 0x00000004,
    /* Architecture 3.00 variant                               */
    POWERPC_MMU_3_00       = POWERPC_MMU_64 | 0x00000005,
} powerpc_mmu_t;

static inline bool mmu_is_64bit(powerpc_mmu_t mmu_model)
{
    return mmu_model & POWERPC_MMU_64;
}

/*****************************************************************************/
/* Input pins model                                                          */
typedef enum powerpc_input_t {
    PPC_FLAGS_INPUT_UNKNOWN = 0,
    /* PowerPC 6xx bus                  */
    PPC_FLAGS_INPUT_6xx,
    /* BookE bus                        */
    PPC_FLAGS_INPUT_BookE,
    /* PowerPC 405 bus                  */
    PPC_FLAGS_INPUT_405,
    /* PowerPC 970 bus                  */
    PPC_FLAGS_INPUT_970,
    /* PowerPC POWER7 bus               */
    PPC_FLAGS_INPUT_POWER7,
    /* PowerPC POWER9 bus               */
    PPC_FLAGS_INPUT_POWER9,
    /* Freescale RCPU bus               */
    PPC_FLAGS_INPUT_RCPU,
} powerpc_input_t;

#define PPC_INPUT(env) ((env)->bus_model)

/*****************************************************************************/
typedef struct opc_handler_t opc_handler_t;

/*****************************************************************************/
/* Types used to describe some PowerPC registers etc. */
typedef struct DisasContext DisasContext;
typedef struct ppc_dcr_t ppc_dcr_t;
typedef struct ppc_spr_t ppc_spr_t;
typedef struct ppc_tb_t ppc_tb_t;
typedef union ppc_tlb_t ppc_tlb_t;
typedef struct ppc_hash_pte64 ppc_hash_pte64_t;
typedef struct PPCHash64Options PPCHash64Options;

typedef struct CPUArchState CPUPPCState;

/* SPR access micro-ops generations callbacks */
struct ppc_spr_t {
    const char *name;
    target_ulong default_value;
#ifndef CONFIG_USER_ONLY
    unsigned int gdb_id;
#endif
#ifdef CONFIG_TCG
    void (*uea_read)(DisasContext *ctx, int gpr_num, int spr_num);
    void (*uea_write)(DisasContext *ctx, int spr_num, int gpr_num);
# ifndef CONFIG_USER_ONLY
    void (*oea_read)(DisasContext *ctx, int gpr_num, int spr_num);
    void (*oea_write)(DisasContext *ctx, int spr_num, int gpr_num);
    void (*hea_read)(DisasContext *ctx, int gpr_num, int spr_num);
    void (*hea_write)(DisasContext *ctx, int spr_num, int gpr_num);
# endif
#endif
#ifdef CONFIG_KVM
    /*
     * We (ab)use the fact that all the SPRs will have ids for the
     * ONE_REG interface will have KVM_REG_PPC to use 0 as meaning,
     * don't sync this
     */
    uint64_t one_reg_id;
#endif
};

/* VSX/Altivec registers (128 bits) */
typedef union _ppc_vsr_t {
    uint8_t u8[16];
    uint16_t u16[8];
    uint32_t u32[4];
    uint64_t u64[2];
    int8_t s8[16];
    int16_t s16[8];
    int32_t s32[4];
    int64_t s64[2];
    float16 f16[8];
    float32 f32[4];
    float64 f64[2];
    float128 f128;
#ifdef CONFIG_INT128
    __uint128_t u128;
#endif
    Int128 s128;
} ppc_vsr_t;

typedef ppc_vsr_t ppc_avr_t;
typedef ppc_vsr_t ppc_fprp_t;
typedef ppc_vsr_t ppc_acc_t;

#if !defined(CONFIG_USER_ONLY)
/* Software TLB cache */
typedef struct ppc6xx_tlb_t ppc6xx_tlb_t;
struct ppc6xx_tlb_t {
    target_ulong pte0;
    target_ulong pte1;
    target_ulong EPN;
};

typedef struct ppcemb_tlb_t ppcemb_tlb_t;
struct ppcemb_tlb_t {
    uint64_t RPN;
    target_ulong EPN;
    target_ulong PID;
    target_ulong size;
    uint32_t prot;
    uint32_t attr; /* Storage attributes */
};

typedef struct ppcmas_tlb_t {
     uint32_t mas8;
     uint32_t mas1;
     uint64_t mas2;
     uint64_t mas7_3;
} ppcmas_tlb_t;

union ppc_tlb_t {
    ppc6xx_tlb_t *tlb6;
    ppcemb_tlb_t *tlbe;
    ppcmas_tlb_t *tlbm;
};

/* possible TLB variants */
#define TLB_NONE               0
#define TLB_6XX                1
#define TLB_EMB                2
#define TLB_MAS                3
#endif

typedef struct PPCHash64SegmentPageSizes PPCHash64SegmentPageSizes;

typedef struct ppc_slb_t ppc_slb_t;
struct ppc_slb_t {
    uint64_t esid;
    uint64_t vsid;
    const PPCHash64SegmentPageSizes *sps;
};

#define MAX_SLB_ENTRIES         64
#define SEGMENT_SHIFT_256M      28
#define SEGMENT_MASK_256M       (~((1ULL << SEGMENT_SHIFT_256M) - 1))

#define SEGMENT_SHIFT_1T        40
#define SEGMENT_MASK_1T         (~((1ULL << SEGMENT_SHIFT_1T) - 1))

typedef struct ppc_v3_pate_t {
    uint64_t dw0;
    uint64_t dw1;
} ppc_v3_pate_t;

/* PMU related structs and defines */
#define PMU_COUNTERS_NUM 6
typedef enum {
    PMU_EVENT_INVALID = 0,
    PMU_EVENT_INACTIVE,
    PMU_EVENT_CYCLES,
    PMU_EVENT_INSTRUCTIONS,
    PMU_EVENT_INSN_RUN_LATCH,
} PMUEventType;

/*****************************************************************************/
/* Machine state register bits definition                                    */
#define MSR_SF   PPC_BIT_NR(0)  /* Sixty-four-bit mode                hflags */
#define MSR_TAG  PPC_BIT_NR(1)  /* Tag-active mode (POWERx ?)                */
#define MSR_ISF  PPC_BIT_NR(2)  /* Sixty-four-bit interrupt mode on 630      */
#define MSR_HV   PPC_BIT_NR(3)  /* hypervisor state                   hflags */
#define MSR_TS0  PPC_BIT_NR(29) /* Transactional state, 2 bits (Book3s)      */
#define MSR_TS1  PPC_BIT_NR(30)
#define MSR_TM   PPC_BIT_NR(31) /* Transactional Memory Available (Book3s)   */
#define MSR_CM   PPC_BIT_NR(32) /* Computation mode for BookE         hflags */
#define MSR_ICM  PPC_BIT_NR(33) /* Interrupt computation mode for BookE      */
#define MSR_GS   PPC_BIT_NR(35) /* guest state for BookE                     */
#define MSR_UCLE PPC_BIT_NR(37) /* User-mode cache lock enable for BookE     */
#define MSR_VR   PPC_BIT_NR(38) /* altivec available                x hflags */
#define MSR_SPE  PPC_BIT_NR(38) /* SPE enable for BookE             x hflags */
#define MSR_VSX  PPC_BIT_NR(40) /* Vector Scalar Extension (>= 2.06)x hflags */
#define MSR_S    PPC_BIT_NR(41) /* Secure state                              */
#define MSR_KEY  PPC_BIT_NR(44) /* key bit on 603e                           */
#define MSR_POW  PPC_BIT_NR(45) /* Power management                          */
#define MSR_WE   PPC_BIT_NR(45) /* Wait State Enable on 405                  */
#define MSR_TGPR PPC_BIT_NR(46) /* TGPR usage on 602/603            x        */
#define MSR_CE   PPC_BIT_NR(46) /* Critical int. enable on embedded PPC x    */
#define MSR_ILE  PPC_BIT_NR(47) /* Interrupt little-endian mode              */
#define MSR_EE   PPC_BIT_NR(48) /* External interrupt enable                 */
#define MSR_PR   PPC_BIT_NR(49) /* Problem state                      hflags */
#define MSR_FP   PPC_BIT_NR(50) /* Floating point available           hflags */
#define MSR_ME   PPC_BIT_NR(51) /* Machine check interrupt enable            */
#define MSR_FE0  PPC_BIT_NR(52) /* Floating point exception mode 0           */
#define MSR_SE   PPC_BIT_NR(53) /* Single-step trace enable         x hflags */
#define MSR_DWE  PPC_BIT_NR(53) /* Debug wait enable on 405         x        */
#define MSR_UBLE PPC_BIT_NR(53) /* User BTB lock enable on e500     x        */
#define MSR_BE   PPC_BIT_NR(54) /* Branch trace enable              x hflags */
#define MSR_DE   PPC_BIT_NR(54) /* Debug int. enable on embedded PPC   x     */
#define MSR_FE1  PPC_BIT_NR(55) /* Floating point exception mode 1           */
#define MSR_AL   PPC_BIT_NR(56) /* AL bit on POWER                           */
#define MSR_EP   PPC_BIT_NR(57) /* Exception prefix on 601                   */
#define MSR_IR   PPC_BIT_NR(58) /* Instruction relocate                      */
#define MSR_IS   PPC_BIT_NR(58) /* Instruction address space (BookE)         */
#define MSR_DR   PPC_BIT_NR(59) /* Data relocate                             */
#define MSR_DS   PPC_BIT_NR(59) /* Data address space (BookE)                */
#define MSR_PE   PPC_BIT_NR(60) /* Protection enable on 403                  */
#define MSR_PX   PPC_BIT_NR(61) /* Protection exclusive on 403        x      */
#define MSR_PMM  PPC_BIT_NR(61) /* Performance monitor mark on POWER  x      */
#define MSR_RI   PPC_BIT_NR(62) /* Recoverable interrupt            1        */
#define MSR_LE   PPC_BIT_NR(63) /* Little-endian mode               1 hflags */

FIELD(MSR, SF, MSR_SF, 1)
FIELD(MSR, TAG, MSR_TAG, 1)
FIELD(MSR, ISF, MSR_ISF, 1)
#if defined(TARGET_PPC64)
FIELD(MSR, HV, MSR_HV, 1)
#define FIELD_EX64_HV(storage) FIELD_EX64(storage, MSR, HV)
#else
#define FIELD_EX64_HV(storage) 0
#endif
FIELD(MSR, TS0, MSR_TS0, 1)
FIELD(MSR, TS1, MSR_TS1, 1)
FIELD(MSR, TS, MSR_TS0, 2)
FIELD(MSR, TM, MSR_TM, 1)
FIELD(MSR, CM, MSR_CM, 1)
FIELD(MSR, ICM, MSR_ICM, 1)
FIELD(MSR, GS, MSR_GS, 1)
FIELD(MSR, UCLE, MSR_UCLE, 1)
FIELD(MSR, VR, MSR_VR, 1)
FIELD(MSR, SPE, MSR_SPE, 1)
FIELD(MSR, VSX, MSR_VSX, 1)
FIELD(MSR, S, MSR_S, 1)
FIELD(MSR, KEY, MSR_KEY, 1)
FIELD(MSR, POW, MSR_POW, 1)
FIELD(MSR, WE, MSR_WE, 1)
FIELD(MSR, TGPR, MSR_TGPR, 1)
FIELD(MSR, CE, MSR_CE, 1)
FIELD(MSR, ILE, MSR_ILE, 1)
FIELD(MSR, EE, MSR_EE, 1)
FIELD(MSR, PR, MSR_PR, 1)
FIELD(MSR, FP, MSR_FP, 1)
FIELD(MSR, ME, MSR_ME, 1)
FIELD(MSR, FE0, MSR_FE0, 1)
FIELD(MSR, SE, MSR_SE, 1)
FIELD(MSR, DWE, MSR_DWE, 1)
FIELD(MSR, UBLE, MSR_UBLE, 1)
FIELD(MSR, BE, MSR_BE, 1)
FIELD(MSR, DE, MSR_DE, 1)
FIELD(MSR, FE1, MSR_FE1, 1)
FIELD(MSR, AL, MSR_AL, 1)
FIELD(MSR, EP, MSR_EP, 1)
FIELD(MSR, IR, MSR_IR, 1)
FIELD(MSR, DR, MSR_DR, 1)
FIELD(MSR, IS, MSR_IS, 1)
FIELD(MSR, DS, MSR_DS, 1)
FIELD(MSR, PE, MSR_PE, 1)
FIELD(MSR, PX, MSR_PX, 1)
FIELD(MSR, PMM, MSR_PMM, 1)
FIELD(MSR, RI, MSR_RI, 1)
FIELD(MSR, LE, MSR_LE, 1)

/*
 * FE0 and FE1 bits are not side-by-side
 * so we can't combine them using FIELD()
 */
#define FIELD_EX64_FE(msr) \
    ((FIELD_EX64(msr, MSR, FE0) << 1) | FIELD_EX64(msr, MSR, FE1))

/* PMU bits */
#define MMCR0_FC     PPC_BIT(32)         /* Freeze Counters  */
#define MMCR0_PMAO   PPC_BIT(56)         /* Perf Monitor Alert Occurred */
#define MMCR0_PMAE   PPC_BIT(37)         /* Perf Monitor Alert Enable */
#define MMCR0_EBE    PPC_BIT(43)         /* Perf Monitor EBB Enable */
#define MMCR0_FCECE  PPC_BIT(38)         /* FC on Enabled Cond or Event */
#define MMCR0_PMCC0  PPC_BIT(44)         /* PMC Control bit 0 */
#define MMCR0_PMCC1  PPC_BIT(45)         /* PMC Control bit 1 */
#define MMCR0_PMCC   PPC_BITMASK(44, 45) /* PMC Control */
#define MMCR0_FC14   PPC_BIT(58)         /* PMC Freeze Counters 1-4 bit */
#define MMCR0_FC56   PPC_BIT(59)         /* PMC Freeze Counters 5-6 bit */
#define MMCR0_PMC1CE PPC_BIT(48)         /* MMCR0 PMC1 Condition Enabled */
#define MMCR0_PMCjCE PPC_BIT(49)         /* MMCR0 PMCj Condition Enabled */
#define MMCR0_FCP    PPC_BIT(34)         /* Freeze Counters/BHRB if PR=1 */
#define MMCR0_FCPC   PPC_BIT(51)         /* Condition for FCP bit */
#define MMCR0_BHRBA_NR PPC_BIT_NR(42)    /* BHRB Available */
/* MMCR0 userspace r/w mask */
#define MMCR0_UREG_MASK (MMCR0_FC | MMCR0_PMAO | MMCR0_PMAE)
/* MMCR2 userspace r/w mask */
#define MMCR2_FC1P0  PPC_BIT(1)          /* MMCR2 FCnP0 for PMC1 */
#define MMCR2_FC2P0  PPC_BIT(10)         /* MMCR2 FCnP0 for PMC2 */
#define MMCR2_FC3P0  PPC_BIT(19)         /* MMCR2 FCnP0 for PMC3 */
#define MMCR2_FC4P0  PPC_BIT(28)         /* MMCR2 FCnP0 for PMC4 */
#define MMCR2_FC5P0  PPC_BIT(37)         /* MMCR2 FCnP0 for PMC5 */
#define MMCR2_FC6P0  PPC_BIT(46)         /* MMCR2 FCnP0 for PMC6 */
#define MMCR2_UREG_MASK (MMCR2_FC1P0 | MMCR2_FC2P0 | MMCR2_FC3P0 | \
                         MMCR2_FC4P0 | MMCR2_FC5P0 | MMCR2_FC6P0)

#define MMCRA_BHRBRD    PPC_BIT(26)         /* BHRB Recording Disable */
#define MMCRA_IFM_MASK  PPC_BITMASK(32, 33) /* BHRB Instruction Filtering */
#define MMCRA_IFM_SHIFT PPC_BIT_NR(33)

#define MMCR1_EVT_SIZE 8
/* extract64() does a right shift before extracting */
#define MMCR1_PMC1SEL_START 32
#define MMCR1_PMC1EVT_EXTR (64 - MMCR1_PMC1SEL_START - MMCR1_EVT_SIZE)
#define MMCR1_PMC2SEL_START 40
#define MMCR1_PMC2EVT_EXTR (64 - MMCR1_PMC2SEL_START - MMCR1_EVT_SIZE)
#define MMCR1_PMC3SEL_START 48
#define MMCR1_PMC3EVT_EXTR (64 - MMCR1_PMC3SEL_START - MMCR1_EVT_SIZE)
#define MMCR1_PMC4SEL_START 56
#define MMCR1_PMC4EVT_EXTR (64 - MMCR1_PMC4SEL_START - MMCR1_EVT_SIZE)

/* PMU uses CTRL_RUN to sample PM_RUN_INST_CMPL */
#define CTRL_RUN PPC_BIT(63)

/* EBB/BESCR bits */
/* Global Enable */
#define BESCR_GE PPC_BIT(0)
/* External Event-based Exception Enable */
#define BESCR_EE PPC_BIT(30)
/* Performance Monitor Event-based Exception Enable */
#define BESCR_PME PPC_BIT(31)
/* External Event-based Exception Occurred */
#define BESCR_EEO PPC_BIT(62)
/* Performance Monitor Event-based Exception Occurred */
#define BESCR_PMEO PPC_BIT(63)
#define BESCR_INVALID PPC_BITMASK(32, 33)

/* LPCR bits */
#define LPCR_VPM0         PPC_BIT(0)
#define LPCR_VPM1         PPC_BIT(1)
#define LPCR_ISL          PPC_BIT(2)
#define LPCR_KBV          PPC_BIT(3)
#define LPCR_DPFD_SHIFT   (63 - 11)
#define LPCR_DPFD         (0x7ull << LPCR_DPFD_SHIFT)
#define LPCR_VRMASD_SHIFT (63 - 16)
#define LPCR_VRMASD       (0x1full << LPCR_VRMASD_SHIFT)
/* P9: Power-saving mode Exit Cause Enable (Upper Section) Mask */
#define LPCR_PECE_U_SHIFT (63 - 19)
#define LPCR_PECE_U_MASK  (0x7ull << LPCR_PECE_U_SHIFT)
#define LPCR_HVEE         PPC_BIT(17) /* Hypervisor Virt Exit Enable */
#define LPCR_RMLS_SHIFT   (63 - 37)   /* RMLS (removed in ISA v3.0) */
#define LPCR_RMLS         (0xfull << LPCR_RMLS_SHIFT)
#define LPCR_HAIL         PPC_BIT(37) /* ISA v3.1 HV AIL=3 equivalent */
#define LPCR_ILE          PPC_BIT(38)
#define LPCR_AIL_SHIFT    (63 - 40)   /* Alternate interrupt location */
#define LPCR_AIL          (3ull << LPCR_AIL_SHIFT)
#define LPCR_UPRT         PPC_BIT(41) /* Use Process Table */
#define LPCR_EVIRT        PPC_BIT(42) /* Enhanced Virtualisation */
#define LPCR_HR           PPC_BIT(43) /* Host Radix */
#define LPCR_ONL          PPC_BIT(45)
#define LPCR_LD           PPC_BIT(46) /* Large Decrementer */
#define LPCR_P7_PECE0     PPC_BIT(49)
#define LPCR_P7_PECE1     PPC_BIT(50)
#define LPCR_P7_PECE2     PPC_BIT(51)
#define LPCR_P8_PECE0     PPC_BIT(47)
#define LPCR_P8_PECE1     PPC_BIT(48)
#define LPCR_P8_PECE2     PPC_BIT(49)
#define LPCR_P8_PECE3     PPC_BIT(50)
#define LPCR_P8_PECE4     PPC_BIT(51)
/* P9: Power-saving mode Exit Cause Enable (Lower Section) Mask */
#define LPCR_PECE_L_SHIFT (63 - 51)
#define LPCR_PECE_L_MASK  (0x1full << LPCR_PECE_L_SHIFT)
#define LPCR_PDEE         PPC_BIT(47) /* Privileged Doorbell Exit EN */
#define LPCR_HDEE         PPC_BIT(48) /* Hyperv Doorbell Exit Enable */
#define LPCR_EEE          PPC_BIT(49) /* External Exit Enable        */
#define LPCR_DEE          PPC_BIT(50) /* Decrementer Exit Enable     */
#define LPCR_OEE          PPC_BIT(51) /* Other Exit Enable           */
#define LPCR_MER          PPC_BIT(52)
#define LPCR_GTSE         PPC_BIT(53) /* Guest Translation Shootdown */
#define LPCR_TC           PPC_BIT(54)
#define LPCR_HEIC         PPC_BIT(59) /* HV Extern Interrupt Control */
#define LPCR_LPES0        PPC_BIT(60)
#define LPCR_LPES1        PPC_BIT(61)
#define LPCR_RMI          PPC_BIT(62)
#define LPCR_HVICE        PPC_BIT(62) /* HV Virtualisation Int Enable */
#define LPCR_HDICE        PPC_BIT(63)

/* PSSCR bits */
#define PSSCR_ESL         PPC_BIT(42) /* Enable State Loss */
#define PSSCR_EC          PPC_BIT(43) /* Exit Criterion */

/* HFSCR bits */
#define HFSCR_MSGP     PPC_BIT(53) /* Privileged Message Send Facilities */
#define HFSCR_BHRB     PPC_BIT(59) /* BHRB Instructions */
#define HFSCR_IC_MSGP  0xA

#define DBCR0_ICMP (1 << 27)
#define DBCR0_BRT (1 << 26)
#define DBSR_ICMP (1 << 27)
#define DBSR_BRT (1 << 26)

/* Hypervisor bit is more specific */
#if defined(TARGET_PPC64)
#define MSR_HVB (1ULL << MSR_HV)
#else
#define MSR_HVB (0ULL)
#endif

/* DSISR */
#define DSISR_NOPTE              0x40000000
/* Not permitted by access authority of encoded access authority */
#define DSISR_PROTFAULT          0x08000000
#define DSISR_ISSTORE            0x02000000
/* Not permitted by virtual page class key protection */
#define DSISR_AMR                0x00200000
/* Unsupported Radix Tree Configuration */
#define DSISR_R_BADCONFIG        0x00080000
#define DSISR_ATOMIC_RC          0x00040000
/* Unable to translate address of (guest) pde or process/page table entry */
#define DSISR_PRTABLE_FAULT      0x00020000

/* SRR1 error code fields */

#define SRR1_NOPTE               DSISR_NOPTE
/* Not permitted due to no-execute or guard bit set */
#define SRR1_NOEXEC_GUARD        0x10000000
#define SRR1_PROTFAULT           DSISR_PROTFAULT
#define SRR1_IAMR                DSISR_AMR

/* SRR1[42:45] wakeup fields for System Reset Interrupt */

#define SRR1_WAKEMASK           0x003c0000 /* reason for wakeup */

#define SRR1_WAKEHMI            0x00280000 /* Hypervisor maintenance */
#define SRR1_WAKEHVI            0x00240000 /* Hypervisor Virt. Interrupt (P9) */
#define SRR1_WAKEEE             0x00200000 /* External interrupt */
#define SRR1_WAKEDEC            0x00180000 /* Decrementer interrupt */
#define SRR1_WAKEDBELL          0x00140000 /* Privileged doorbell */
#define SRR1_WAKERESET          0x00100000 /* System reset */
#define SRR1_WAKEHDBELL         0x000c0000 /* Hypervisor doorbell */
#define SRR1_WAKESCOM           0x00080000 /* SCOM not in power-saving mode */

/* SRR1[46:47] power-saving exit mode */

#define SRR1_WAKESTATE          0x00030000 /* Powersave exit mask */

#define SRR1_WS_HVLOSS          0x00030000 /* HV resources not maintained */
#define SRR1_WS_GPRLOSS         0x00020000 /* GPRs not maintained */
#define SRR1_WS_NOLOSS          0x00010000 /* All resources maintained */

/* Facility Status and Control (FSCR) bits */
#define FSCR_EBB        (63 - 56) /* Event-Based Branch Facility */
#define FSCR_TAR        (63 - 55) /* Target Address Register */
#define FSCR_SCV        (63 - 51) /* System call vectored */
/* Interrupt cause mask and position in FSCR. HFSCR has the same format */
#define FSCR_IC_MASK    (0xFFULL)
#define FSCR_IC_POS     (63 - 7)
#define FSCR_IC_DSCR_SPR3   2
#define FSCR_IC_PMU         3
#define FSCR_IC_BHRB        4
#define FSCR_IC_TM          5
#define FSCR_IC_EBB         7
#define FSCR_IC_TAR         8
#define FSCR_IC_SCV        12

/* Exception state register bits definition                                  */
#define ESR_PIL   PPC_BIT(36) /* Illegal Instruction                    */
#define ESR_PPR   PPC_BIT(37) /* Privileged Instruction                 */
#define ESR_PTR   PPC_BIT(38) /* Trap                                   */
#define ESR_FP    PPC_BIT(39) /* Floating-Point Operation               */
#define ESR_ST    PPC_BIT(40) /* Store Operation                        */
#define ESR_AP    PPC_BIT(44) /* Auxiliary Processor Operation          */
#define ESR_PUO   PPC_BIT(45) /* Unimplemented Operation                */
#define ESR_BO    PPC_BIT(46) /* Byte Ordering                          */
#define ESR_PIE   PPC_BIT(47) /* Imprecise exception                    */
#define ESR_DATA  PPC_BIT(53) /* Data Access (Embedded page table)      */
#define ESR_TLBI  PPC_BIT(54) /* TLB Ineligible (Embedded page table)   */
#define ESR_PT    PPC_BIT(55) /* Page Table (Embedded page table)       */
#define ESR_SPV   PPC_BIT(56) /* SPE/VMX operation                      */
#define ESR_EPID  PPC_BIT(57) /* External Process ID operation          */
#define ESR_VLEMI PPC_BIT(58) /* VLE operation                          */
#define ESR_MIF   PPC_BIT(62) /* Misaligned instruction (VLE)           */

/* Transaction EXception And Summary Register bits                           */
#define TEXASR_FAILURE_PERSISTENT                (63 - 7)
#define TEXASR_DISALLOWED                        (63 - 8)
#define TEXASR_NESTING_OVERFLOW                  (63 - 9)
#define TEXASR_FOOTPRINT_OVERFLOW                (63 - 10)
#define TEXASR_SELF_INDUCED_CONFLICT             (63 - 11)
#define TEXASR_NON_TRANSACTIONAL_CONFLICT        (63 - 12)
#define TEXASR_TRANSACTION_CONFLICT              (63 - 13)
#define TEXASR_TRANSLATION_INVALIDATION_CONFLICT (63 - 14)
#define TEXASR_IMPLEMENTATION_SPECIFIC           (63 - 15)
#define TEXASR_INSTRUCTION_FETCH_CONFLICT        (63 - 16)
#define TEXASR_ABORT                             (63 - 31)
#define TEXASR_SUSPENDED                         (63 - 32)
#define TEXASR_PRIVILEGE_HV                      (63 - 34)
#define TEXASR_PRIVILEGE_PR                      (63 - 35)
#define TEXASR_FAILURE_SUMMARY                   (63 - 36)
#define TEXASR_TFIAR_EXACT                       (63 - 37)
#define TEXASR_ROT                               (63 - 38)
#define TEXASR_TRANSACTION_LEVEL                 (63 - 52) /* 12 bits */

enum {
    POWERPC_FLAG_NONE     = 0x00000000,
    /* Flag for MSR bit 25 signification (VRE/SPE)                           */
    POWERPC_FLAG_SPE      = 0x00000001,
    POWERPC_FLAG_VRE      = 0x00000002,
    /* Flag for MSR bit 17 signification (TGPR/CE)                           */
    POWERPC_FLAG_TGPR     = 0x00000004,
    POWERPC_FLAG_CE       = 0x00000008,
    /* Flag for MSR bit 10 signification (SE/DWE/UBLE)                       */
    POWERPC_FLAG_SE       = 0x00000010,
    POWERPC_FLAG_DWE      = 0x00000020,
    POWERPC_FLAG_UBLE     = 0x00000040,
    /* Flag for MSR bit 9 signification (BE/DE)                              */
    POWERPC_FLAG_BE       = 0x00000080,
    POWERPC_FLAG_DE       = 0x00000100,
    /* Flag for MSR bit 2 signification (PX/PMM)                             */
    POWERPC_FLAG_PX       = 0x00000200,
    POWERPC_FLAG_PMM      = 0x00000400,
    /* Flag for special features                                             */
    /* Decrementer clock                                                     */
    POWERPC_FLAG_BUS_CLK  = 0x00020000,
    /* Has CFAR                                                              */
    POWERPC_FLAG_CFAR     = 0x00040000,
    /* Has VSX                                                               */
    POWERPC_FLAG_VSX      = 0x00080000,
    /* Has Transaction Memory (ISA 2.07)                                     */
    POWERPC_FLAG_TM       = 0x00100000,
    /* Has SCV (ISA 3.00)                                                    */
    POWERPC_FLAG_SCV      = 0x00200000,
    /* Has >1 thread per core                                                */
    POWERPC_FLAG_SMT      = 0x00400000,
    /* Using "LPAR per core" mode  (as opposed to per-thread)                */
    POWERPC_FLAG_SMT_1LPAR = 0x00800000,
    /* Has BHRB */
    POWERPC_FLAG_BHRB      = 0x01000000,
};

/*
 * Bits for env->hflags.
 *
 * Most of these bits overlap with corresponding bits in MSR,
 * but some come from other sources.  Those that do come from
 * the MSR are validated in hreg_compute_hflags.
 */
enum {
    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] */
    HFLAGS_DR = 4,   /* MSR_DR */
    HFLAGS_HR = 5,   /* computed from SPR_LPCR[HR] */
    HFLAGS_SPE = 6,  /* from MSR_SPE if cpu has SPE; avoid overlap w/ MSR_VR */
    HFLAGS_TM = 8,   /* computed from MSR_TM */
    HFLAGS_BE = 9,   /* MSR_BE -- from elsewhere on embedded ppc */
    HFLAGS_SE = 10,  /* MSR_SE -- from elsewhere on embedded ppc */
    HFLAGS_FP = 13,  /* MSR_FP */
    HFLAGS_PR = 14,  /* MSR_PR */
    HFLAGS_PMCC0 = 15,  /* MMCR0 PMCC bit 0 */
    HFLAGS_PMCC1 = 16,  /* MMCR0 PMCC bit 1 */
    HFLAGS_PMCJCE = 17, /* MMCR0 PMCjCE bit */
    HFLAGS_PMC_OTHER = 18, /* PMC other than PMC5-6 is enabled */
    HFLAGS_INSN_CNT = 19, /* PMU instruction count enabled */
    HFLAGS_BHRB_ENABLE = 20, /* Summary flag for enabling BHRB */
    HFLAGS_VSX = 23, /* MSR_VSX if cpu has VSX */
    HFLAGS_VR = 25,  /* MSR_VR if cpu has VRE */

    HFLAGS_IMMU_IDX = 26, /* 26..28 -- the composite immu_idx */
    HFLAGS_DMMU_IDX = 29, /* 29..31 -- the composite dmmu_idx */
};

/*****************************************************************************/
/* Floating point status and control register                                */
#define FPSCR_DRN2   PPC_BIT_NR(29) /* Decimal Floating-Point rounding ctrl. */
#define FPSCR_DRN1   PPC_BIT_NR(30) /* Decimal Floating-Point rounding ctrl. */
#define FPSCR_DRN0   PPC_BIT_NR(31) /* Decimal Floating-Point rounding ctrl. */
#define FPSCR_FX     PPC_BIT_NR(32) /* Floating-point exception summary      */
#define FPSCR_FEX    PPC_BIT_NR(33) /* Floating-point enabled exception summ.*/
#define FPSCR_VX     PPC_BIT_NR(34) /* Floating-point invalid op. excp. summ.*/
#define FPSCR_OX     PPC_BIT_NR(35) /* Floating-point overflow exception     */
#define FPSCR_UX     PPC_BIT_NR(36) /* Floating-point underflow exception    */
#define FPSCR_ZX     PPC_BIT_NR(37) /* Floating-point zero divide exception  */
#define FPSCR_XX     PPC_BIT_NR(38) /* Floating-point inexact exception      */
#define FPSCR_VXSNAN PPC_BIT_NR(39) /* Floating-point invalid op. excp (sNan)*/
#define FPSCR_VXISI  PPC_BIT_NR(40) /* Floating-point invalid op. excp (inf) */
#define FPSCR_VXIDI  PPC_BIT_NR(41) /* Floating-point invalid op. excp (inf) */
#define FPSCR_VXZDZ  PPC_BIT_NR(42) /* Floating-point invalid op. excp (zero)*/
#define FPSCR_VXIMZ  PPC_BIT_NR(43) /* Floating-point invalid op. excp (inf) */
#define FPSCR_VXVC   PPC_BIT_NR(44) /* Floating-point invalid op. excp (comp)*/
#define FPSCR_FR     PPC_BIT_NR(45) /* Floating-point fraction rounded       */
#define FPSCR_FI     PPC_BIT_NR(46) /* Floating-point fraction inexact       */
#define FPSCR_C      PPC_BIT_NR(47) /* Floating-point result class descriptor*/
#define FPSCR_FL     PPC_BIT_NR(48) /* Floating-point less than or negative  */
#define FPSCR_FG     PPC_BIT_NR(49) /* Floating-point greater than or neg.   */
#define FPSCR_FE     PPC_BIT_NR(50) /* Floating-point equal or zero          */
#define FPSCR_FU     PPC_BIT_NR(51) /* Floating-point unordered or NaN       */
#define FPSCR_FPCC   PPC_BIT_NR(51) /* Floating-point condition code         */
#define FPSCR_FPRF   PPC_BIT_NR(51) /* Floating-point result flags           */
#define FPSCR_VXSOFT PPC_BIT_NR(53) /* Floating-point invalid op. excp (soft)*/
#define FPSCR_VXSQRT PPC_BIT_NR(54) /* Floating-point invalid op. excp (sqrt)*/
#define FPSCR_VXCVI  PPC_BIT_NR(55) /* Floating-point invalid op. excp (int) */
#define FPSCR_VE     PPC_BIT_NR(56) /* Floating-point invalid op. excp enable*/
#define FPSCR_OE     PPC_BIT_NR(57) /* Floating-point overflow excp. enable  */
#define FPSCR_UE     PPC_BIT_NR(58) /* Floating-point underflow excp. enable */
#define FPSCR_ZE     PPC_BIT_NR(59) /* Floating-point zero divide excp enable*/
#define FPSCR_XE     PPC_BIT_NR(60) /* Floating-point inexact excp. enable   */
#define FPSCR_NI     PPC_BIT_NR(61) /* Floating-point non-IEEE mode          */
#define FPSCR_RN1    PPC_BIT_NR(62)
#define FPSCR_RN0    PPC_BIT_NR(63) /* Floating-point rounding control       */
/* Invalid operation exception summary */
#define FPSCR_IX     ((1 << FPSCR_VXSNAN) | (1 << FPSCR_VXISI)  | \
                      (1 << FPSCR_VXIDI)  | (1 << FPSCR_VXZDZ)  | \
                      (1 << FPSCR_VXIMZ)  | (1 << FPSCR_VXVC)   | \
                      (1 << FPSCR_VXSOFT) | (1 << FPSCR_VXSQRT) | \
                      (1 << FPSCR_VXCVI))

FIELD(FPSCR, FI, FPSCR_FI, 1)

#define FP_DRN2         (1ull << FPSCR_DRN2)
#define FP_DRN1         (1ull << FPSCR_DRN1)
#define FP_DRN0         (1ull << FPSCR_DRN0)
#define FP_DRN          (FP_DRN2 | FP_DRN1 | FP_DRN0)
#define FP_FX           (1ull << FPSCR_FX)
#define FP_FEX          (1ull << FPSCR_FEX)
#define FP_VX           (1ull << FPSCR_VX)
#define FP_OX           (1ull << FPSCR_OX)
#define FP_UX           (1ull << FPSCR_UX)
#define FP_ZX           (1ull << FPSCR_ZX)
#define FP_XX           (1ull << FPSCR_XX)
#define FP_VXSNAN       (1ull << FPSCR_VXSNAN)
#define FP_VXISI        (1ull << FPSCR_VXISI)
#define FP_VXIDI        (1ull << FPSCR_VXIDI)
#define FP_VXZDZ        (1ull << FPSCR_VXZDZ)
#define FP_VXIMZ        (1ull << FPSCR_VXIMZ)
#define FP_VXVC         (1ull << FPSCR_VXVC)
#define FP_FR           (1ull << FPSCR_FR)
#define FP_FI           (1ull << FPSCR_FI)
#define FP_C            (1ull << FPSCR_C)
#define FP_FL           (1ull << FPSCR_FL)
#define FP_FG           (1ull << FPSCR_FG)
#define FP_FE           (1ull << FPSCR_FE)
#define FP_FU           (1ull << FPSCR_FU)
#define FP_FPCC         (FP_FL | FP_FG | FP_FE | FP_FU)
#define FP_FPRF         (FP_C | FP_FPCC)
#define FP_VXSOFT       (1ull << FPSCR_VXSOFT)
#define FP_VXSQRT       (1ull << FPSCR_VXSQRT)
#define FP_VXCVI        (1ull << FPSCR_VXCVI)
#define FP_VE           (1ull << FPSCR_VE)
#define FP_OE           (1ull << FPSCR_OE)
#define FP_UE           (1ull << FPSCR_UE)
#define FP_ZE           (1ull << FPSCR_ZE)
#define FP_XE           (1ull << FPSCR_XE)
#define FP_NI           (1ull << FPSCR_NI)
#define FP_RN1          (1ull << FPSCR_RN1)
#define FP_RN0          (1ull << FPSCR_RN0)
#define FP_RN           (FP_RN1 | FP_RN0)

#define FP_ENABLES      (FP_VE | FP_OE | FP_UE | FP_ZE | FP_XE)
#define FP_STATUS       (FP_FR | FP_FI | FP_FPRF)

/* the exception bits which can be cleared by mcrfs - includes FX */
#define FP_EX_CLEAR_BITS (FP_FX     | FP_OX     | FP_UX     | FP_ZX     | \
                          FP_XX     | FP_VXSNAN | FP_VXISI  | FP_VXIDI  | \
                          FP_VXZDZ  | FP_VXIMZ  | FP_VXVC   | FP_VXSOFT | \
                          FP_VXSQRT | FP_VXCVI)

/* FPSCR bits that can be set by mtfsf, mtfsfi and mtfsb1 */
#define FPSCR_MTFS_MASK (~(MAKE_64BIT_MASK(36, 28) | PPC_BIT(28) |        \
                           FP_FEX | FP_VX | PPC_BIT(52)))

/*****************************************************************************/
/* Vector status and control register */
#define VSCR_NJ         16 /* Vector non-java */
#define VSCR_SAT        0 /* Vector saturation */

/*****************************************************************************/
/* BookE e500 MMU registers */

#define MAS0_NV_SHIFT      0
#define MAS0_NV_MASK       (0xfff << MAS0_NV_SHIFT)

#define MAS0_WQ_SHIFT      12
#define MAS0_WQ_MASK       (3 << MAS0_WQ_SHIFT)
/* Write TLB entry regardless of reservation */
#define MAS0_WQ_ALWAYS     (0 << MAS0_WQ_SHIFT)
/* Write TLB entry only already in use */
#define MAS0_WQ_COND       (1 << MAS0_WQ_SHIFT)
/* Clear TLB entry */
#define MAS0_WQ_CLR_RSRV   (2 << MAS0_WQ_SHIFT)

#define MAS0_HES_SHIFT     14
#define MAS0_HES           (1 << MAS0_HES_SHIFT)

#define MAS0_ESEL_SHIFT    16
#define MAS0_ESEL_MASK     (0xfff << MAS0_ESEL_SHIFT)

#define MAS0_TLBSEL_SHIFT  28
#define MAS0_TLBSEL_MASK   (3 << MAS0_TLBSEL_SHIFT)
#define MAS0_TLBSEL_TLB0   (0 << MAS0_TLBSEL_SHIFT)
#define MAS0_TLBSEL_TLB1   (1 << MAS0_TLBSEL_SHIFT)
#define MAS0_TLBSEL_TLB2   (2 << MAS0_TLBSEL_SHIFT)
#define MAS0_TLBSEL_TLB3   (3 << MAS0_TLBSEL_SHIFT)

#define MAS0_ATSEL_SHIFT   31
#define MAS0_ATSEL         (1 << MAS0_ATSEL_SHIFT)
#define MAS0_ATSEL_TLB     0
#define MAS0_ATSEL_LRAT    MAS0_ATSEL

#define MAS1_TSIZE_SHIFT   7
#define MAS1_TSIZE_MASK    (0x1f << MAS1_TSIZE_SHIFT)

#define MAS1_TS_SHIFT      12
#define MAS1_TS            (1 << MAS1_TS_SHIFT)

#define MAS1_IND_SHIFT     13
#define MAS1_IND           (1 << MAS1_IND_SHIFT)

#define MAS1_TID_SHIFT     16
#define MAS1_TID_MASK      (0x3fff << MAS1_TID_SHIFT)

#define MAS1_IPROT_SHIFT   30
#define MAS1_IPROT         (1 << MAS1_IPROT_SHIFT)

#define MAS1_VALID_SHIFT   31
#define MAS1_VALID         0x80000000

#define MAS2_EPN_SHIFT     12
#define MAS2_EPN_MASK      (~0ULL << MAS2_EPN_SHIFT)

#define MAS2_ACM_SHIFT     6
#define MAS2_ACM           (1 << MAS2_ACM_SHIFT)

#define MAS2_VLE_SHIFT     5
#define MAS2_VLE           (1 << MAS2_VLE_SHIFT)

#define MAS2_W_SHIFT       4
#define MAS2_W             (1 << MAS2_W_SHIFT)

#define MAS2_I_SHIFT       3
#define MAS2_I             (1 << MAS2_I_SHIFT)

#define MAS2_M_SHIFT       2
#define MAS2_M             (1 << MAS2_M_SHIFT)

#define MAS2_G_SHIFT       1
#define MAS2_G             (1 << MAS2_G_SHIFT)

#define MAS2_E_SHIFT       0
#define MAS2_E             (1 << MAS2_E_SHIFT)

#define MAS3_RPN_SHIFT     12
#define MAS3_RPN_MASK      (0xfffff << MAS3_RPN_SHIFT)

#define MAS3_U0                 0x00000200
#define MAS3_U1                 0x00000100
#define MAS3_U2                 0x00000080
#define MAS3_U3                 0x00000040
#define MAS3_UX                 0x00000020
#define MAS3_SX                 0x00000010
#define MAS3_UW                 0x00000008
#define MAS3_SW                 0x00000004
#define MAS3_UR                 0x00000002
#define MAS3_SR                 0x00000001
#define MAS3_SPSIZE_SHIFT       1
#define MAS3_SPSIZE_MASK        (0x3e << MAS3_SPSIZE_SHIFT)

#define MAS4_TLBSELD_SHIFT      MAS0_TLBSEL_SHIFT
#define MAS4_TLBSELD_MASK       MAS0_TLBSEL_MASK
#define MAS4_TIDSELD_MASK       0x00030000
#define MAS4_TIDSELD_PID0       0x00000000
#define MAS4_TIDSELD_PID1       0x00010000
#define MAS4_TIDSELD_PID2       0x00020000
#define MAS4_TIDSELD_PIDZ       0x00030000
#define MAS4_INDD               0x00008000      /* Default IND */
#define MAS4_TSIZED_SHIFT       MAS1_TSIZE_SHIFT
#define MAS4_TSIZED_MASK        MAS1_TSIZE_MASK
#define MAS4_ACMD               0x00000040
#define MAS4_VLED               0x00000020
#define MAS4_WD                 0x00000010
#define MAS4_ID                 0x00000008
#define MAS4_MD                 0x00000004
#define MAS4_GD                 0x00000002
#define MAS4_ED                 0x00000001
#define MAS4_WIMGED_MASK        0x0000001f      /* Default WIMGE */
#define MAS4_WIMGED_SHIFT       0

#define MAS5_SGS                0x80000000
#define MAS5_SLPID_MASK         0x00000fff

#define MAS6_SPID0              0x3fff0000
#define MAS6_SPID1              0x00007ffe
#define MAS6_ISIZE(x)           MAS1_TSIZE(x)
#define MAS6_SAS                0x00000001
#define MAS6_SPID               MAS6_SPID0
#define MAS6_SIND               0x00000002      /* Indirect page */
#define MAS6_SIND_SHIFT         1
#define MAS6_SPID_MASK          0x3fff0000
#define MAS6_SPID_SHIFT         16
#define MAS6_ISIZE_MASK         0x00000f80
#define MAS6_ISIZE_SHIFT        7

#define MAS7_RPN                0xffffffff

#define MAS8_TGS                0x80000000
#define MAS8_VF                 0x40000000
#define MAS8_TLBPID             0x00000fff

/* Bit definitions for MMUCFG */
#define MMUCFG_MAVN     0x00000003      /* MMU Architecture Version Number */
#define MMUCFG_MAVN_V1  0x00000000      /* v1.0 */
#define MMUCFG_MAVN_V2  0x00000001      /* v2.0 */
#define MMUCFG_NTLBS    0x0000000c      /* Number of TLBs */
#define MMUCFG_PIDSIZE  0x000007c0      /* PID Reg Size */
#define MMUCFG_TWC      0x00008000      /* TLB Write Conditional (v2.0) */
#define MMUCFG_LRAT     0x00010000      /* LRAT Supported (v2.0) */
#define MMUCFG_RASIZE   0x00fe0000      /* Real Addr Size */
#define MMUCFG_LPIDSIZE 0x0f000000      /* LPID Reg Size */

/* Bit definitions for MMUCSR0 */
#define MMUCSR0_TLB1FI  0x00000002      /* TLB1 Flash invalidate */
#define MMUCSR0_TLB0FI  0x00000004      /* TLB0 Flash invalidate */
#define MMUCSR0_TLB2FI  0x00000040      /* TLB2 Flash invalidate */
#define MMUCSR0_TLB3FI  0x00000020      /* TLB3 Flash invalidate */
#define MMUCSR0_TLBFI   (MMUCSR0_TLB0FI | MMUCSR0_TLB1FI | \
                         MMUCSR0_TLB2FI | MMUCSR0_TLB3FI)
#define MMUCSR0_TLB0PS  0x00000780      /* TLB0 Page Size */
#define MMUCSR0_TLB1PS  0x00007800      /* TLB1 Page Size */
#define MMUCSR0_TLB2PS  0x00078000      /* TLB2 Page Size */
#define MMUCSR0_TLB3PS  0x00780000      /* TLB3 Page Size */

/* TLBnCFG encoding */
#define TLBnCFG_N_ENTRY         0x00000fff      /* number of entries */
#define TLBnCFG_HES             0x00002000      /* HW select supported */
#define TLBnCFG_AVAIL           0x00004000      /* variable page size */
#define TLBnCFG_IPROT           0x00008000      /* IPROT supported */
#define TLBnCFG_GTWE            0x00010000      /* Guest can write */
#define TLBnCFG_IND             0x00020000      /* IND entries supported */
#define TLBnCFG_PT              0x00040000      /* Can load from page table */
#define TLBnCFG_MINSIZE         0x00f00000      /* Minimum Page Size (v1.0) */
#define TLBnCFG_MINSIZE_SHIFT   20
#define TLBnCFG_MAXSIZE         0x000f0000      /* Maximum Page Size (v1.0) */
#define TLBnCFG_MAXSIZE_SHIFT   16
#define TLBnCFG_ASSOC           0xff000000      /* Associativity */
#define TLBnCFG_ASSOC_SHIFT     24

/* TLBnPS encoding */
#define TLBnPS_4K               0x00000004
#define TLBnPS_8K               0x00000008
#define TLBnPS_16K              0x00000010
#define TLBnPS_32K              0x00000020
#define TLBnPS_64K              0x00000040
#define TLBnPS_128K             0x00000080
#define TLBnPS_256K             0x00000100
#define TLBnPS_512K             0x00000200
#define TLBnPS_1M               0x00000400
#define TLBnPS_2M               0x00000800
#define TLBnPS_4M               0x00001000
#define TLBnPS_8M               0x00002000
#define TLBnPS_16M              0x00004000
#define TLBnPS_32M              0x00008000
#define TLBnPS_64M              0x00010000
#define TLBnPS_128M             0x00020000
#define TLBnPS_256M             0x00040000
#define TLBnPS_512M             0x00080000
#define TLBnPS_1G               0x00100000
#define TLBnPS_2G               0x00200000
#define TLBnPS_4G               0x00400000
#define TLBnPS_8G               0x00800000
#define TLBnPS_16G              0x01000000
#define TLBnPS_32G              0x02000000
#define TLBnPS_64G              0x04000000
#define TLBnPS_128G             0x08000000
#define TLBnPS_256G             0x10000000

/* tlbilx action encoding */
#define TLBILX_T_ALL                    0
#define TLBILX_T_TID                    1
#define TLBILX_T_FULLMATCH              3
#define TLBILX_T_CLASS0                 4
#define TLBILX_T_CLASS1                 5
#define TLBILX_T_CLASS2                 6
#define TLBILX_T_CLASS3                 7

/* BookE 2.06 helper defines */

#define BOOKE206_FLUSH_TLB0    (1 << 0)
#define BOOKE206_FLUSH_TLB1    (1 << 1)
#define BOOKE206_FLUSH_TLB2    (1 << 2)
#define BOOKE206_FLUSH_TLB3    (1 << 3)

/* number of possible TLBs */
#define BOOKE206_MAX_TLBN      4

#define EPID_EPID_SHIFT 0x0
#define EPID_EPID 0xFF
#define EPID_ELPID_SHIFT 0x10
#define EPID_ELPID 0x3F0000
#define EPID_EGS 0x20000000
#define EPID_EGS_SHIFT 29
#define EPID_EAS 0x40000000
#define EPID_EAS_SHIFT 30
#define EPID_EPR 0x80000000
#define EPID_EPR_SHIFT 31
/* We don't support EGS and ELPID */
#define EPID_MASK (EPID_EPID | EPID_EAS | EPID_EPR)

/*****************************************************************************/
/* Server and Embedded Processor Control */

#define DBELL_TYPE_SHIFT               27
#define DBELL_TYPE_MASK                (0x1f << DBELL_TYPE_SHIFT)
#define DBELL_TYPE_DBELL               (0x00 << DBELL_TYPE_SHIFT)
#define DBELL_TYPE_DBELL_CRIT          (0x01 << DBELL_TYPE_SHIFT)
#define DBELL_TYPE_G_DBELL             (0x02 << DBELL_TYPE_SHIFT)
#define DBELL_TYPE_G_DBELL_CRIT        (0x03 << DBELL_TYPE_SHIFT)
#define DBELL_TYPE_G_DBELL_MC          (0x04 << DBELL_TYPE_SHIFT)

#define DBELL_TYPE_DBELL_SERVER        (0x05 << DBELL_TYPE_SHIFT)

#define DBELL_BRDCAST_MASK             PPC_BITMASK(37, 38)
#define DBELL_BRDCAST_SHIFT            25
#define DBELL_BRDCAST_SUBPROC          (0x1 << DBELL_BRDCAST_SHIFT)
#define DBELL_BRDCAST_CORE             (0x2 << DBELL_BRDCAST_SHIFT)

#define DBELL_LPIDTAG_SHIFT            14
#define DBELL_LPIDTAG_MASK             (0xfff << DBELL_LPIDTAG_SHIFT)
#define DBELL_PIRTAG_MASK              0x3fff

#define DBELL_PROCIDTAG_MASK           PPC_BITMASK(44, 63)

#define PPC_PAGE_SIZES_MAX_SZ   8

struct ppc_radix_page_info {
    uint32_t count;
    uint32_t entries[PPC_PAGE_SIZES_MAX_SZ];
};

/*****************************************************************************/
/* Dynamic Execution Control Register */

#define DEXCR_ASPECT(name, num)                    \
FIELD(DEXCR, PNH_##name, PPC_BIT_NR(num), 1)       \
FIELD(DEXCR, PRO_##name, PPC_BIT_NR(num + 32), 1)  \
FIELD(HDEXCR, HNU_##name, PPC_BIT_NR(num), 1)      \
FIELD(HDEXCR, ENF_##name, PPC_BIT_NR(num + 32), 1) \

DEXCR_ASPECT(SBHE, 0)
DEXCR_ASPECT(IBRTPD, 1)
DEXCR_ASPECT(SRAPD, 4)
DEXCR_ASPECT(NPHIE, 5)
DEXCR_ASPECT(PHIE, 6)

/*****************************************************************************/
/* PowerNV ChipTOD and TimeBase State Machine */
struct pnv_tod_tbst {
    int tb_ready_for_tod; /* core TB ready to receive TOD from chiptod */
    int tod_sent_to_tb;   /* chiptod sent TOD to the core TB */

    /*
     * "Timers" for async TBST events are simulated by mfTFAC because TFAC
     * is polled for such events. These are just used to ensure firmware
     * performs the polling at least a few times.
     */
    int tb_state_timer;
    int tb_sync_pulse_timer;
};

/*****************************************************************************/
/* The whole PowerPC CPU context */

/*
 * PowerPC needs eight modes for different hypervisor/supervisor/guest
 * + real/paged mode combinations. The other two modes are for
 * external PID load/store.
 */
#define PPC_TLB_EPID_LOAD 8
#define PPC_TLB_EPID_STORE 9

#define PPC_CPU_OPCODES_LEN          0x40
#define PPC_CPU_INDIRECT_OPCODES_LEN 0x20

#define BHRB_MAX_NUM_ENTRIES_LOG2 (5)
#define BHRB_MAX_NUM_ENTRIES      (1 << BHRB_MAX_NUM_ENTRIES_LOG2)

struct CPUArchState {
    /* Most commonly used resources during translated code execution first */
    target_ulong gpr[32];  /* general purpose registers */
    target_ulong gprh[32]; /* storage for GPR MSB, used by the SPE extension */
    target_ulong lr;
    target_ulong ctr;
    uint32_t crf[8];       /* condition register */
#if defined(TARGET_PPC64)
    target_ulong cfar;
#endif
    target_ulong xer;      /* XER (with SO, OV, CA split out) */
    target_ulong so;
    target_ulong ov;
    target_ulong ca;
    target_ulong ov32;
    target_ulong ca32;

    target_ulong reserve_addr;   /* Reservation address */
    target_ulong reserve_length; /* Reservation larx op size (bytes) */
    target_ulong reserve_val;    /* Reservation value */
#if defined(TARGET_PPC64)
    target_ulong reserve_val2;
#endif

    /* These are used in supervisor mode only */
    target_ulong msr;      /* machine state register */
    target_ulong tgpr[4];  /* temporary general purpose registers, */
                           /* used to speed-up TLB assist handlers */

    target_ulong nip;      /* next instruction pointer */

    /* when a memory exception occurs, the access type is stored here */
    int access_type;

#if !defined(CONFIG_USER_ONLY)
    /* MMU context, only relevant for full system emulation */
#if defined(TARGET_PPC64)
    ppc_slb_t slb[MAX_SLB_ENTRIES]; /* PowerPC 64 SLB area */
    struct CPUBreakpoint *ciabr_breakpoint;
    struct CPUWatchpoint *dawr0_watchpoint;

    /* POWER CPU regs/state */
    target_ulong scratch[8]; /* SCRATCH registers (shared across core) */
#endif
    target_ulong sr[32];   /* segment registers */
    uint32_t nb_BATs;      /* number of BATs */
    target_ulong DBAT[2][8];
    target_ulong IBAT[2][8];
    /* PowerPC TLB registers (for 4xx, e500 and 60x software driven TLBs) */
    int32_t nb_tlb;  /* Total number of TLB */
    int tlb_per_way; /* Speed-up helper: used to avoid divisions at run time */
    int nb_ways;     /* Number of ways in the TLB set */
    int last_way;    /* Last used way used to allocate TLB in a LRU way */
    int nb_pids;     /* Number of available PID registers */
    int tlb_type;    /* Type of TLB we're dealing with */
    ppc_tlb_t tlb;   /* TLB is optional. Allocate them only if needed */
#ifdef CONFIG_KVM
    bool tlb_dirty;  /* Set to non-zero when modifying TLB */
    bool kvm_sw_tlb; /* non-zero if KVM SW TLB API is active */
#endif /* CONFIG_KVM */
    uint32_t tlb_need_flush; /* Delayed flush needed */
#define TLB_NEED_LOCAL_FLUSH   0x1
#define TLB_NEED_GLOBAL_FLUSH  0x2

#if defined(TARGET_PPC64)
    /* PowerNV chiptod / timebase facility state. */
    /* Would be nice to put these into PnvCore */
    struct pnv_tod_tbst pnv_tod_tbst;
#endif
#endif

    /* Other registers */
    target_ulong spr[1024]; /* special purpose registers */
    ppc_spr_t spr_cb[1024];
    /* Composite status for PMC[1-6] enabled and counting insns or cycles. */
    uint8_t pmc_ins_cnt;
    uint8_t pmc_cyc_cnt;
    /* Vector status and control register, minus VSCR_SAT */
    uint32_t vscr;
    /* VSX registers (including FP and AVR) */
    ppc_vsr_t vsr[64] QEMU_ALIGNED(16);
    /* Non-zero if and only if VSCR_SAT should be set */
    ppc_vsr_t vscr_sat QEMU_ALIGNED(16);
    /* SPE registers */
    uint64_t spe_acc;
    uint32_t spe_fscr;
    /* SPE and Altivec share status as they'll never be used simultaneously */
    float_status vec_status;
    float_status fp_status; /* Floating point execution context */
    target_ulong fpscr;     /* Floating point status and control register */

    /* Internal devices resources */
    ppc_tb_t *tb_env;      /* Time base and decrementer */
    ppc_dcr_t *dcr_env;    /* Device control registers */

    int dcache_line_size;
    int icache_line_size;

#ifdef TARGET_PPC64
    /* Branch History Rolling Buffer (BHRB) resources */
    target_ulong bhrb_num_entries;
    intptr_t     bhrb_base;
    target_ulong bhrb_filter;
    target_ulong bhrb_offset;
    target_ulong bhrb_offset_mask;
    uint64_t bhrb[BHRB_MAX_NUM_ENTRIES];
#endif

    /* These resources are used during exception processing */
    /* CPU model definition */
    target_ulong msr_mask;
    powerpc_mmu_t mmu_model;
    powerpc_excp_t excp_model;
    powerpc_input_t bus_model;
    int bfd_mach;
    uint32_t flags;
    uint64_t insns_flags;
    uint64_t insns_flags2;

    int error_code;
    uint32_t pending_interrupts;
#if !defined(CONFIG_USER_ONLY)
    uint64_t excp_stats[POWERPC_EXCP_NB];
    /*
     * This is the IRQ controller, which is implementation dependent and only
     * relevant when emulating a complete machine. Note that this isn't used
     * by recent Book3s compatible CPUs (POWER7 and newer).
     */
    uint32_t irq_input_state;

    target_ulong excp_vectors[POWERPC_EXCP_NB]; /* Exception vectors */
    target_ulong excp_prefix;
    target_ulong ivor_mask;
    target_ulong ivpr_mask;
    target_ulong hreset_vector;
    hwaddr mpic_iack;
    bool mpic_proxy;  /* true if the external proxy facility mode is enabled */
    bool has_hv_mode; /* set when the processor has an HV mode, thus HV priv */
                      /* instructions and SPRs are diallowed if MSR:HV is 0 */
    /*
     * On P7/P8/P9, set when in PM state so we need to handle resume in a
     * special way (such as routing some resume causes to 0x100, i.e. sreset).
     */
    bool resume_as_sreset;
#endif

    /* These resources are used only in TCG */
    uint32_t hflags;
    target_ulong hflags_compat_nmsr; /* for migration compatibility */

    /* Power management */
    int (*check_pow)(CPUPPCState *env);

    /* attn instruction enable */
    int (*check_attn)(CPUPPCState *env);

#if !defined(CONFIG_USER_ONLY)
    void *load_info;  /* holds boot loading state */
#endif

    /* booke timers */

    /*
     * Specifies bit locations of the Time Base used to signal a fixed timer
     * exception on a transition from 0 to 1 (watchdog or fixed-interval timer)
     *
     * 0 selects the least significant bit, 63 selects the most significant bit
     */
    uint8_t fit_period[4];
    uint8_t wdt_period[4];

    /* Transactional memory state */
    target_ulong tm_gpr[32];
    ppc_avr_t tm_vsr[64];
    uint64_t tm_cr;
    uint64_t tm_lr;
    uint64_t tm_ctr;
    uint64_t tm_fpscr;
    uint64_t tm_amr;
    uint64_t tm_ppr;
    uint64_t tm_vrsave;
    uint32_t tm_vscr;
    uint64_t tm_dscr;
    uint64_t tm_tar;

    /*
     * Timers used to fire performance monitor alerts
     * when counting cycles.
     */
    QEMUTimer *pmu_cyc_overflow_timers[PMU_COUNTERS_NUM];

    /*
     * PMU base time value used by the PMU to calculate
     * running cycles.
     */
    uint64_t pmu_base_time;
};

#define _CORE_ID(cs)                                            \
    (POWERPC_CPU(cs)->env.spr_cb[SPR_PIR].default_value & ~(cs->nr_threads - 1))

#define THREAD_SIBLING_FOREACH(cs, cs_sibling)                  \
    CPU_FOREACH(cs_sibling)                                     \
        if (_CORE_ID(cs) == _CORE_ID(cs_sibling))

#define SET_FIT_PERIOD(a_, b_, c_, d_)          \
do {                                            \
    env->fit_period[0] = (a_);                  \
    env->fit_period[1] = (b_);                  \
    env->fit_period[2] = (c_);                  \
    env->fit_period[3] = (d_);                  \
 } while (0)

#define SET_WDT_PERIOD(a_, b_, c_, d_)          \
do {                                            \
    env->wdt_period[0] = (a_);                  \
    env->wdt_period[1] = (b_);                  \
    env->wdt_period[2] = (c_);                  \
    env->wdt_period[3] = (d_);                  \
 } while (0)

typedef struct PPCVirtualHypervisor PPCVirtualHypervisor;
typedef struct PPCVirtualHypervisorClass PPCVirtualHypervisorClass;

/**
 * PowerPCCPU:
 * @env: #CPUPPCState
 * @vcpu_id: vCPU identifier given to KVM
 * @compat_pvr: Current logical PVR, zero if in "raw" mode
 *
 * A PowerPC CPU.
 */
struct ArchCPU {
    CPUState parent_obj;

    CPUPPCState env;

    int vcpu_id;
    uint32_t compat_pvr;
    PPCVirtualHypervisor *vhyp;
    PPCVirtualHypervisorClass *vhyp_class;
    void *machine_data;
    int32_t node_id; /* NUMA node this CPU belongs to */
    PPCHash64Options *hash64_opts;

    /* Those resources are used only during code translation */
    /* opcode handlers */
    opc_handler_t *opcodes[PPC_CPU_OPCODES_LEN];

    /* Fields related to migration compatibility hacks */
    bool pre_2_8_migration;
    target_ulong mig_msr_mask;
    uint64_t mig_insns_flags;
    uint64_t mig_insns_flags2;
    uint32_t mig_nb_BATs;
    bool pre_2_10_migration;
    bool pre_3_0_migration;
    int32_t mig_slb_nr;
};

/**
 * PowerPCCPUClass:
 * @parent_realize: The parent class' realize handler.
 * @parent_phases: The parent class' reset phase handlers.
 *
 * A PowerPC CPU model.
 */
struct PowerPCCPUClass {
    CPUClass parent_class;

    DeviceRealize parent_realize;
    DeviceUnrealize parent_unrealize;
    ResettablePhases parent_phases;
    void (*parent_parse_features)(const char *type, char *str, Error **errp);

    uint32_t pvr;
    /*
     * If @best is false, match if pcc is in the family of pvr
     * Else match only if pcc is the best match for pvr in this family.
     */
    bool (*pvr_match)(struct PowerPCCPUClass *pcc, uint32_t pvr, bool best);
    uint64_t pcr_mask;          /* Available bits in PCR register */
    uint64_t pcr_supported;     /* Bits for supported PowerISA versions */
    uint32_t svr;
    uint64_t insns_flags;
    uint64_t insns_flags2;
    uint64_t msr_mask;
    uint64_t lpcr_mask;         /* Available bits in the LPCR */
    uint64_t lpcr_pm;           /* Power-saving mode Exit Cause Enable bits */
    powerpc_mmu_t   mmu_model;
    powerpc_excp_t  excp_model;
    powerpc_input_t bus_model;
    uint32_t flags;
    int bfd_mach;
    uint32_t l1_dcache_size, l1_icache_size;
#ifndef CONFIG_USER_ONLY
    GDBFeature gdb_spr;
#endif
    const PPCHash64Options *hash64_opts;
    struct ppc_radix_page_info *radix_page_info;
    uint32_t lrg_decr_bits;
    int n_host_threads;
    void (*init_proc)(CPUPPCState *env);
    int  (*check_pow)(CPUPPCState *env);
    int  (*check_attn)(CPUPPCState *env);
};

ObjectClass *ppc_cpu_class_by_name(const char *name);
PowerPCCPUClass *ppc_cpu_class_by_pvr(uint32_t pvr);
PowerPCCPUClass *ppc_cpu_class_by_pvr_mask(uint32_t pvr);
PowerPCCPUClass *ppc_cpu_get_family_class(PowerPCCPUClass *pcc);

#ifndef CONFIG_USER_ONLY
struct PPCVirtualHypervisorClass {
    InterfaceClass parent;
    bool (*cpu_in_nested)(PowerPCCPU *cpu);
    void (*deliver_hv_excp)(PowerPCCPU *cpu, int excp);
    void (*hypercall)(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu);
    hwaddr (*hpt_mask)(PPCVirtualHypervisor *vhyp);
    const ppc_hash_pte64_t *(*map_hptes)(PPCVirtualHypervisor *vhyp,
                                         hwaddr ptex, int n);
    void (*unmap_hptes)(PPCVirtualHypervisor *vhyp,
                        const ppc_hash_pte64_t *hptes,
                        hwaddr ptex, int n);
    void (*hpte_set_c)(PPCVirtualHypervisor *vhyp, hwaddr ptex, uint64_t pte1);
    void (*hpte_set_r)(PPCVirtualHypervisor *vhyp, hwaddr ptex, uint64_t pte1);
    bool (*get_pate)(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu,
                     target_ulong lpid, ppc_v3_pate_t *entry);
    target_ulong (*encode_hpt_for_kvm_pr)(PPCVirtualHypervisor *vhyp);
    void (*cpu_exec_enter)(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu);
    void (*cpu_exec_exit)(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu);
};

#define TYPE_PPC_VIRTUAL_HYPERVISOR "ppc-virtual-hypervisor"
DECLARE_OBJ_CHECKERS(PPCVirtualHypervisor, PPCVirtualHypervisorClass,
                     PPC_VIRTUAL_HYPERVISOR, TYPE_PPC_VIRTUAL_HYPERVISOR)

static inline bool vhyp_cpu_in_nested(PowerPCCPU *cpu)
{
    return cpu->vhyp_class->cpu_in_nested(cpu);
}
#endif /* CONFIG_USER_ONLY */

void ppc_cpu_dump_state(CPUState *cpu, FILE *f, int flags);
int ppc_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
int ppc_cpu_gdb_read_register_apple(CPUState *cpu, GByteArray *buf, int reg);
int ppc_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
int ppc_cpu_gdb_write_register_apple(CPUState *cpu, uint8_t *buf, int reg);
#ifndef CONFIG_USER_ONLY
hwaddr ppc_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
#endif
int ppc64_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs,
                               int cpuid, DumpState *s);
int ppc32_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cs,
                               int cpuid, DumpState *s);
#ifndef CONFIG_USER_ONLY
void ppc_maybe_interrupt(CPUPPCState *env);
void ppc_cpu_do_interrupt(CPUState *cpu);
bool ppc_cpu_exec_interrupt(CPUState *cpu, int int_req);
void ppc_cpu_do_system_reset(CPUState *cs);
void ppc_cpu_do_fwnmi_machine_check(CPUState *cs, target_ulong vector);
extern const VMStateDescription vmstate_ppc_cpu;
#endif

/*****************************************************************************/
void ppc_translate_init(void);

#if !defined(CONFIG_USER_ONLY)
void ppc_store_sdr1(CPUPPCState *env, target_ulong value);
void ppc_store_lpcr(PowerPCCPU *cpu, target_ulong val);
void ppc_update_ciabr(CPUPPCState *env);
void ppc_store_ciabr(CPUPPCState *env, target_ulong value);
void ppc_update_daw0(CPUPPCState *env);
void ppc_store_dawr0(CPUPPCState *env, target_ulong value);
void ppc_store_dawrx0(CPUPPCState *env, uint32_t value);
#endif /* !defined(CONFIG_USER_ONLY) */
void ppc_store_msr(CPUPPCState *env, target_ulong value);

void ppc_cpu_list(void);

/* Time-base and decrementer management */
uint64_t cpu_ppc_load_tbl(CPUPPCState *env);
uint32_t cpu_ppc_load_tbu(CPUPPCState *env);
void cpu_ppc_store_tbu(CPUPPCState *env, uint32_t value);
void cpu_ppc_store_tbl(CPUPPCState *env, uint32_t value);
uint64_t cpu_ppc_load_atbl(CPUPPCState *env);
uint32_t cpu_ppc_load_atbu(CPUPPCState *env);
void cpu_ppc_store_atbl(CPUPPCState *env, uint32_t value);
void cpu_ppc_store_atbu(CPUPPCState *env, uint32_t value);
void cpu_ppc_increase_tb_by_offset(CPUPPCState *env, int64_t offset);
void cpu_ppc_decrease_tb_by_offset(CPUPPCState *env, int64_t offset);
uint64_t cpu_ppc_load_vtb(CPUPPCState *env);
void cpu_ppc_store_vtb(CPUPPCState *env, uint64_t value);
bool ppc_decr_clear_on_delivery(CPUPPCState *env);
target_ulong cpu_ppc_load_decr(CPUPPCState *env);
void cpu_ppc_store_decr(CPUPPCState *env, target_ulong value);
target_ulong cpu_ppc_load_hdecr(CPUPPCState *env);
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);
#if !defined(CONFIG_USER_ONLY)
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);
void store_40x_sler(CPUPPCState *env, uint32_t val);
void store_40x_tcr(CPUPPCState *env, target_ulong val);
void store_40x_tsr(CPUPPCState *env, target_ulong val);
void store_booke_tcr(CPUPPCState *env, target_ulong val);
void store_booke_tsr(CPUPPCState *env, target_ulong val);
void ppc_tlb_invalidate_all(CPUPPCState *env);
void ppc_tlb_invalidate_one(CPUPPCState *env, target_ulong addr);
void cpu_ppc_set_vhyp(PowerPCCPU *cpu, PPCVirtualHypervisor *vhyp);
void cpu_ppc_set_1lpar(PowerPCCPU *cpu);
#endif

void ppc_store_fpscr(CPUPPCState *env, target_ulong val);
void helper_hfscr_facility_check(CPUPPCState *env, uint32_t bit,
                                 const char *caller, uint32_t cause);

static inline uint64_t ppc_dump_gpr(CPUPPCState *env, int gprn)
{
    uint64_t gprv;

    gprv = env->gpr[gprn];
    if (env->flags & POWERPC_FLAG_SPE) {
        /*
         * If the CPU implements the SPE extension, we have to get the
         * high bits of the GPR from the gprh storage area
         */
        gprv &= 0xFFFFFFFFULL;
        gprv |= (uint64_t)env->gprh[gprn] << 32;
    }

    return gprv;
}

/* Device control registers */
int ppc_dcr_read(ppc_dcr_t *dcr_env, int dcrn, uint32_t *valp);
int ppc_dcr_write(ppc_dcr_t *dcr_env, int dcrn, uint32_t val);

#define cpu_list ppc_cpu_list

/* MMU modes definitions */
#define MMU_USER_IDX 0
static inline int ppc_env_mmu_index(CPUPPCState *env, bool ifetch)
{
#ifdef CONFIG_USER_ONLY
    return MMU_USER_IDX;
#else
    return (env->hflags >> (ifetch ? HFLAGS_IMMU_IDX : HFLAGS_DMMU_IDX)) & 7;
#endif
}

/* Compatibility modes */
#if defined(TARGET_PPC64)
bool ppc_check_compat(PowerPCCPU *cpu, uint32_t compat_pvr,
                      uint32_t min_compat_pvr, uint32_t max_compat_pvr);
bool ppc_type_check_compat(const char *cputype, uint32_t compat_pvr,
                           uint32_t min_compat_pvr, uint32_t max_compat_pvr);

int ppc_set_compat(PowerPCCPU *cpu, uint32_t compat_pvr, Error **errp);

#if !defined(CONFIG_USER_ONLY)
int ppc_set_compat_all(uint32_t compat_pvr, Error **errp);
int ppc_init_compat_all(uint32_t compat_pvr, Error **errp);
#endif
int ppc_compat_max_vthreads(PowerPCCPU *cpu);
void ppc_compat_add_property(Object *obj, const char *name,
                             uint32_t *compat_pvr, const char *basedesc);
#endif /* defined(TARGET_PPC64) */

#include "exec/cpu-all.h"

/*****************************************************************************/
/* CRF definitions */
#define CRF_LT_BIT    3
#define CRF_GT_BIT    2
#define CRF_EQ_BIT    1
#define CRF_SO_BIT    0
#define CRF_LT        (1 << CRF_LT_BIT)
#define CRF_GT        (1 << CRF_GT_BIT)
#define CRF_EQ        (1 << CRF_EQ_BIT)
#define CRF_SO        (1 << CRF_SO_BIT)
/* For SPE extensions */
#define CRF_CH        (1 << CRF_LT_BIT)
#define CRF_CL        (1 << CRF_GT_BIT)
#define CRF_CH_OR_CL  (1 << CRF_EQ_BIT)
#define CRF_CH_AND_CL (1 << CRF_SO_BIT)

/* XER definitions */
#define XER_SO  31
#define XER_OV  30
#define XER_CA  29
#define XER_OV32  19
#define XER_CA32  18
#define XER_CMP  8
#define XER_BC   0
#define xer_so  (env->so)
#define xer_cmp ((env->xer >> XER_CMP) & 0xFF)
#define xer_bc  ((env->xer >> XER_BC)  & 0x7F)

/* SPR definitions */
#define SPR_MQ                (0x000)
#define SPR_XER               (0x001)
#define SPR_LR                (0x008)
#define SPR_CTR               (0x009)
#define SPR_UAMR              (0x00D)
#define SPR_DSCR              (0x011)
#define SPR_DSISR             (0x012)
#define SPR_DAR               (0x013)
#define SPR_DECR              (0x016)
#define SPR_SDR1              (0x019)
#define SPR_SRR0              (0x01A)
#define SPR_SRR1              (0x01B)
#define SPR_CFAR              (0x01C)
#define SPR_AMR               (0x01D)
#define SPR_ACOP              (0x01F)
#define SPR_BOOKE_PID         (0x030)
#define SPR_BOOKS_PID         (0x030)
#define SPR_BOOKE_DECAR       (0x036)
#define SPR_BOOKE_CSRR0       (0x03A)
#define SPR_BOOKE_CSRR1       (0x03B)
#define SPR_BOOKE_DEAR        (0x03D)
#define SPR_IAMR              (0x03D)
#define SPR_BOOKE_ESR         (0x03E)
#define SPR_BOOKE_IVPR        (0x03F)
#define SPR_MPC_EIE           (0x050)
#define SPR_MPC_EID           (0x051)
#define SPR_MPC_NRI           (0x052)
#define SPR_TFHAR             (0x080)
#define SPR_TFIAR             (0x081)
#define SPR_TEXASR            (0x082)
#define SPR_TEXASRU           (0x083)
#define SPR_UCTRL             (0x088)
#define SPR_TIDR              (0x090)
#define SPR_MPC_CMPA          (0x090)
#define SPR_MPC_CMPB          (0x091)
#define SPR_MPC_CMPC          (0x092)
#define SPR_MPC_CMPD          (0x093)
#define SPR_MPC_ECR           (0x094)
#define SPR_MPC_DER           (0x095)
#define SPR_MPC_COUNTA        (0x096)
#define SPR_MPC_COUNTB        (0x097)
#define SPR_CTRL              (0x098)
#define SPR_MPC_CMPE          (0x098)
#define SPR_MPC_CMPF          (0x099)
#define SPR_FSCR              (0x099)
#define SPR_MPC_CMPG          (0x09A)
#define SPR_MPC_CMPH          (0x09B)
#define SPR_MPC_LCTRL1        (0x09C)
#define SPR_MPC_LCTRL2        (0x09D)
#define SPR_UAMOR             (0x09D)
#define SPR_MPC_ICTRL         (0x09E)
#define SPR_MPC_BAR           (0x09F)
#define SPR_PSPB              (0x09F)
#define SPR_DPDES             (0x0B0)
#define SPR_DAWR0             (0x0B4)
#define SPR_DAWR1             (0x0B5)
#define SPR_RPR               (0x0BA)
#define SPR_CIABR             (0x0BB)
#define SPR_DAWRX0            (0x0BC)
#define SPR_DAWRX1            (0x0BD)
#define SPR_HFSCR             (0x0BE)
#define SPR_VRSAVE            (0x100)
#define SPR_USPRG0            (0x100)
#define SPR_USPRG1            (0x101)
#define SPR_USPRG2            (0x102)
#define SPR_USPRG3            (0x103)
#define SPR_USPRG4            (0x104)
#define SPR_USPRG5            (0x105)
#define SPR_USPRG6            (0x106)
#define SPR_USPRG7            (0x107)
#define SPR_TBL               (0x10C)
#define SPR_TBU               (0x10D)
#define SPR_SPRG0             (0x110)
#define SPR_SPRG1             (0x111)
#define SPR_SPRG2             (0x112)
#define SPR_SPRG3             (0x113)
#define SPR_SPRG4             (0x114)
#define SPR_POWER_SPRC        (0x114)
#define SPR_SPRG5             (0x115)
#define SPR_POWER_SPRD        (0x115)
#define SPR_SPRG6             (0x116)
#define SPR_SPRG7             (0x117)
#define SPR_ASR               (0x118)
#define SPR_EAR               (0x11A)
#define SPR_WR_TBL            (0x11C)
#define SPR_WR_TBU            (0x11D)
#define SPR_TBU40             (0x11E)
#define SPR_SVR               (0x11E)
#define SPR_BOOKE_PIR         (0x11E)
#define SPR_PVR               (0x11F)
#define SPR_HSPRG0            (0x130)
#define SPR_BOOKE_DBSR        (0x130)
#define SPR_HSPRG1            (0x131)
#define SPR_HDSISR            (0x132)
#define SPR_HDAR              (0x133)
#define SPR_BOOKE_EPCR        (0x133)
#define SPR_SPURR             (0x134)
#define SPR_BOOKE_DBCR0       (0x134)
#define SPR_IBCR              (0x135)
#define SPR_PURR              (0x135)
#define SPR_BOOKE_DBCR1       (0x135)
#define SPR_DBCR              (0x136)
#define SPR_HDEC              (0x136)
#define SPR_BOOKE_DBCR2       (0x136)
#define SPR_HIOR              (0x137)
#define SPR_MBAR              (0x137)
#define SPR_RMOR              (0x138)
#define SPR_BOOKE_IAC1        (0x138)
#define SPR_HRMOR             (0x139)
#define SPR_BOOKE_IAC2        (0x139)
#define SPR_HSRR0             (0x13A)
#define SPR_BOOKE_IAC3        (0x13A)
#define SPR_HSRR1             (0x13B)
#define SPR_BOOKE_IAC4        (0x13B)
#define SPR_BOOKE_DAC1        (0x13C)
#define SPR_MMCRH             (0x13C)
#define SPR_DABR2             (0x13D)
#define SPR_BOOKE_DAC2        (0x13D)
#define SPR_TFMR              (0x13D)
#define SPR_BOOKE_DVC1        (0x13E)
#define SPR_LPCR              (0x13E)
#define SPR_BOOKE_DVC2        (0x13F)
#define SPR_LPIDR             (0x13F)
#define SPR_BOOKE_TSR         (0x150)
#define SPR_HMER              (0x150)
#define SPR_HMEER             (0x151)
#define SPR_PCR               (0x152)
#define SPR_HEIR              (0x153)
#define SPR_BOOKE_LPIDR       (0x152)
#define SPR_BOOKE_TCR         (0x154)
#define SPR_BOOKE_TLB0PS      (0x158)
#define SPR_BOOKE_TLB1PS      (0x159)
#define SPR_BOOKE_TLB2PS      (0x15A)
#define SPR_BOOKE_TLB3PS      (0x15B)
#define SPR_AMOR              (0x15D)
#define SPR_BOOKE_MAS7_MAS3   (0x174)
#define SPR_BOOKE_IVOR0       (0x190)
#define SPR_BOOKE_IVOR1       (0x191)
#define SPR_BOOKE_IVOR2       (0x192)
#define SPR_BOOKE_IVOR3       (0x193)
#define SPR_BOOKE_IVOR4       (0x194)
#define SPR_BOOKE_IVOR5       (0x195)
#define SPR_BOOKE_IVOR6       (0x196)
#define SPR_BOOKE_IVOR7       (0x197)
#define SPR_BOOKE_IVOR8       (0x198)
#define SPR_BOOKE_IVOR9       (0x199)
#define SPR_BOOKE_IVOR10      (0x19A)
#define SPR_BOOKE_IVOR11      (0x19B)
#define SPR_BOOKE_IVOR12      (0x19C)
#define SPR_BOOKE_IVOR13      (0x19D)
#define SPR_BOOKE_IVOR14      (0x19E)
#define SPR_BOOKE_IVOR15      (0x19F)
#define SPR_BOOKE_IVOR38      (0x1B0)
#define SPR_BOOKE_IVOR39      (0x1B1)
#define SPR_BOOKE_IVOR40      (0x1B2)
#define SPR_BOOKE_IVOR41      (0x1B3)
#define SPR_BOOKE_IVOR42      (0x1B4)
#define SPR_BOOKE_GIVOR2      (0x1B8)
#define SPR_BOOKE_GIVOR3      (0x1B9)
#define SPR_BOOKE_GIVOR4      (0x1BA)
#define SPR_BOOKE_GIVOR8      (0x1BB)
#define SPR_BOOKE_GIVOR13     (0x1BC)
#define SPR_BOOKE_GIVOR14     (0x1BD)
#define SPR_TIR               (0x1BE)
#define SPR_UHDEXCR           (0x1C7)
#define SPR_PTCR              (0x1D0)
#define SPR_HASHKEYR          (0x1D4)
#define SPR_HASHPKEYR         (0x1D5)
#define SPR_HDEXCR            (0x1D7)
#define SPR_BOOKE_SPEFSCR     (0x200)
#define SPR_Exxx_BBEAR        (0x201)
#define SPR_Exxx_BBTAR        (0x202)
#define SPR_Exxx_L1CFG0       (0x203)
#define SPR_Exxx_L1CFG1       (0x204)
#define SPR_Exxx_NPIDR        (0x205)
#define SPR_ATBL              (0x20E)
#define SPR_ATBU              (0x20F)
#define SPR_IBAT0U            (0x210)
#define SPR_BOOKE_IVOR32      (0x210)
#define SPR_RCPU_MI_GRA       (0x210)
#define SPR_IBAT0L            (0x211)
#define SPR_BOOKE_IVOR33      (0x211)
#define SPR_IBAT1U            (0x212)
#define SPR_BOOKE_IVOR34      (0x212)
#define SPR_IBAT1L            (0x213)
#define SPR_BOOKE_IVOR35      (0x213)
#define SPR_IBAT2U            (0x214)
#define SPR_BOOKE_IVOR36      (0x214)
#define SPR_IBAT2L            (0x215)
#define SPR_BOOKE_IVOR37      (0x215)
#define SPR_IBAT3U            (0x216)
#define SPR_IBAT3L            (0x217)
#define SPR_DBAT0U            (0x218)
#define SPR_RCPU_L2U_GRA      (0x218)
#define SPR_DBAT0L            (0x219)
#define SPR_DBAT1U            (0x21A)
#define SPR_DBAT1L            (0x21B)
#define SPR_DBAT2U            (0x21C)
#define SPR_DBAT2L            (0x21D)
#define SPR_DBAT3U            (0x21E)
#define SPR_DBAT3L            (0x21F)
#define SPR_IBAT4U            (0x230)
#define SPR_RPCU_BBCMCR       (0x230)
#define SPR_MPC_IC_CST        (0x230)
#define SPR_Exxx_CTXCR        (0x230)
#define SPR_IBAT4L            (0x231)
#define SPR_MPC_IC_ADR        (0x231)
#define SPR_Exxx_DBCR3        (0x231)
#define SPR_IBAT5U            (0x232)
#define SPR_MPC_IC_DAT        (0x232)
#define SPR_Exxx_DBCNT        (0x232)
#define SPR_IBAT5L            (0x233)
#define SPR_IBAT6U            (0x234)
#define SPR_IBAT6L            (0x235)
#define SPR_IBAT7U            (0x236)
#define SPR_IBAT7L            (0x237)
#define SPR_DBAT4U            (0x238)
#define SPR_RCPU_L2U_MCR      (0x238)
#define SPR_MPC_DC_CST        (0x238)
#define SPR_Exxx_ALTCTXCR     (0x238)
#define SPR_DBAT4L            (0x239)
#define SPR_MPC_DC_ADR        (0x239)
#define SPR_DBAT5U            (0x23A)
#define SPR_BOOKE_MCSRR0      (0x23A)
#define SPR_MPC_DC_DAT        (0x23A)
#define SPR_DBAT5L            (0x23B)
#define SPR_BOOKE_MCSRR1      (0x23B)
#define SPR_DBAT6U            (0x23C)
#define SPR_BOOKE_MCSR        (0x23C)
#define SPR_DBAT6L            (0x23D)
#define SPR_Exxx_MCAR         (0x23D)
#define SPR_DBAT7U            (0x23E)
#define SPR_BOOKE_DSRR0       (0x23E)
#define SPR_DBAT7L            (0x23F)
#define SPR_BOOKE_DSRR1       (0x23F)
#define SPR_BOOKE_SPRG8       (0x25C)
#define SPR_BOOKE_SPRG9       (0x25D)
#define SPR_BOOKE_MAS0        (0x270)
#define SPR_BOOKE_MAS1        (0x271)
#define SPR_BOOKE_MAS2        (0x272)
#define SPR_BOOKE_MAS3        (0x273)
#define SPR_BOOKE_MAS4        (0x274)
#define SPR_BOOKE_MAS5        (0x275)
#define SPR_BOOKE_MAS6        (0x276)
#define SPR_BOOKE_PID1        (0x279)
#define SPR_BOOKE_PID2        (0x27A)
#define SPR_MPC_DPDR          (0x280)
#define SPR_MPC_IMMR          (0x288)
#define SPR_BOOKE_TLB0CFG     (0x2B0)
#define SPR_BOOKE_TLB1CFG     (0x2B1)
#define SPR_BOOKE_TLB2CFG     (0x2B2)
#define SPR_BOOKE_TLB3CFG     (0x2B3)
#define SPR_BOOKE_EPR         (0x2BE)
#define SPR_POWER_USIER2      (0x2E0)
#define SPR_POWER_USIER3      (0x2E1)
#define SPR_POWER_UMMCR3      (0x2E2)
#define SPR_POWER_SIER2       (0x2F0)
#define SPR_POWER_SIER3       (0x2F1)
#define SPR_POWER_MMCR3       (0x2F2)
#define SPR_PERF0             (0x300)
#define SPR_RCPU_MI_RBA0      (0x300)
#define SPR_MPC_MI_CTR        (0x300)
#define SPR_POWER_USIER       (0x300)
#define SPR_PERF1             (0x301)
#define SPR_RCPU_MI_RBA1      (0x301)
#define SPR_POWER_UMMCR2      (0x301)
#define SPR_PERF2             (0x302)
#define SPR_RCPU_MI_RBA2      (0x302)
#define SPR_MPC_MI_AP         (0x302)
#define SPR_POWER_UMMCRA      (0x302)
#define SPR_PERF3             (0x303)
#define SPR_RCPU_MI_RBA3      (0x303)
#define SPR_MPC_MI_EPN        (0x303)
#define SPR_POWER_UPMC1       (0x303)
#define SPR_PERF4             (0x304)
#define SPR_POWER_UPMC2       (0x304)
#define SPR_PERF5             (0x305)
#define SPR_MPC_MI_TWC        (0x305)
#define SPR_POWER_UPMC3       (0x305)
#define SPR_PERF6             (0x306)
#define SPR_MPC_MI_RPN        (0x306)
#define SPR_POWER_UPMC4       (0x306)
#define SPR_PERF7             (0x307)
#define SPR_POWER_UPMC5       (0x307)
#define SPR_PERF8             (0x308)
#define SPR_RCPU_L2U_RBA0     (0x308)
#define SPR_MPC_MD_CTR        (0x308)
#define SPR_POWER_UPMC6       (0x308)
#define SPR_PERF9             (0x309)
#define SPR_RCPU_L2U_RBA1     (0x309)
#define SPR_MPC_MD_CASID      (0x309)
#define SPR_970_UPMC7         (0X309)
#define SPR_PERFA             (0x30A)
#define SPR_RCPU_L2U_RBA2     (0x30A)
#define SPR_MPC_MD_AP         (0x30A)
#define SPR_970_UPMC8         (0X30A)
#define SPR_PERFB             (0x30B)
#define SPR_RCPU_L2U_RBA3     (0x30B)
#define SPR_MPC_MD_EPN        (0x30B)
#define SPR_POWER_UMMCR0      (0X30B)
#define SPR_PERFC             (0x30C)
#define SPR_MPC_MD_TWB        (0x30C)
#define SPR_POWER_USIAR       (0X30C)
#define SPR_PERFD             (0x30D)
#define SPR_MPC_MD_TWC        (0x30D)
#define SPR_POWER_USDAR       (0X30D)
#define SPR_PERFE             (0x30E)
#define SPR_MPC_MD_RPN        (0x30E)
#define SPR_POWER_UMMCR1      (0X30E)
#define SPR_PERFF             (0x30F)
#define SPR_MPC_MD_TW         (0x30F)
#define SPR_UPERF0            (0x310)
#define SPR_POWER_SIER        (0x310)
#define SPR_UPERF1            (0x311)
#define SPR_POWER_MMCR2       (0x311)
#define SPR_UPERF2            (0x312)
#define SPR_POWER_MMCRA       (0X312)
#define SPR_UPERF3            (0x313)
#define SPR_POWER_PMC1        (0X313)
#define SPR_UPERF4            (0x314)
#define SPR_POWER_PMC2        (0X314)
#define SPR_UPERF5            (0x315)
#define SPR_POWER_PMC3        (0X315)
#define SPR_UPERF6            (0x316)
#define SPR_POWER_PMC4        (0X316)
#define SPR_UPERF7            (0x317)
#define SPR_POWER_PMC5        (0X317)
#define SPR_UPERF8            (0x318)
#define SPR_POWER_PMC6        (0X318)
#define SPR_UPERF9            (0x319)
#define SPR_970_PMC7          (0X319)
#define SPR_UPERFA            (0x31A)
#define SPR_970_PMC8          (0X31A)
#define SPR_UPERFB            (0x31B)
#define SPR_POWER_MMCR0       (0X31B)
#define SPR_UPERFC            (0x31C)
#define SPR_POWER_SIAR        (0X31C)
#define SPR_UPERFD            (0x31D)
#define SPR_POWER_SDAR        (0X31D)
#define SPR_UPERFE            (0x31E)
#define SPR_POWER_MMCR1       (0X31E)
#define SPR_UPERFF            (0x31F)
#define SPR_RCPU_MI_RA0       (0x320)
#define SPR_MPC_MI_DBCAM      (0x320)
#define SPR_BESCRS            (0x320)
#define SPR_RCPU_MI_RA1       (0x321)
#define SPR_MPC_MI_DBRAM0     (0x321)
#define SPR_BESCRSU           (0x321)
#define SPR_RCPU_MI_RA2       (0x322)
#define SPR_MPC_MI_DBRAM1     (0x322)
#define SPR_BESCRR            (0x322)
#define SPR_RCPU_MI_RA3       (0x323)
#define SPR_BESCRRU           (0x323)
#define SPR_EBBHR             (0x324)
#define SPR_EBBRR             (0x325)
#define SPR_BESCR             (0x326)
#define SPR_RCPU_L2U_RA0      (0x328)
#define SPR_MPC_MD_DBCAM      (0x328)
#define SPR_RCPU_L2U_RA1      (0x329)
#define SPR_MPC_MD_DBRAM0     (0x329)
#define SPR_RCPU_L2U_RA2      (0x32A)
#define SPR_MPC_MD_DBRAM1     (0x32A)
#define SPR_RCPU_L2U_RA3      (0x32B)
#define SPR_UDEXCR            (0x32C)
#define SPR_TAR               (0x32F)
#define SPR_ASDR              (0x330)
#define SPR_DEXCR             (0x33C)
#define SPR_IC                (0x350)
#define SPR_VTB               (0x351)
#define SPR_LDBAR             (0x352)
#define SPR_MMCRC             (0x353)
#define SPR_PSSCR             (0x357)
#define SPR_440_INV0          (0x370)
#define SPR_440_INV1          (0x371)
#define SPR_TRIG1             (0x371)
#define SPR_440_INV2          (0x372)
#define SPR_TRIG2             (0x372)
#define SPR_440_INV3          (0x373)
#define SPR_440_ITV0          (0x374)
#define SPR_440_ITV1          (0x375)
#define SPR_440_ITV2          (0x376)
#define SPR_440_ITV3          (0x377)
#define SPR_440_CCR1          (0x378)
#define SPR_TACR              (0x378)
#define SPR_TCSCR             (0x379)
#define SPR_CSIGR             (0x37a)
#define SPR_DCRIPR            (0x37B)
#define SPR_POWER_SPMC1       (0x37C)
#define SPR_POWER_SPMC2       (0x37D)
#define SPR_POWER_MMCRS       (0x37E)
#define SPR_WORT              (0x37F)
#define SPR_PPR               (0x380)
#define SPR_PPR32             (0x382)
#define SPR_750_GQR0          (0x390)
#define SPR_440_DNV0          (0x390)
#define SPR_750_GQR1          (0x391)
#define SPR_440_DNV1          (0x391)
#define SPR_750_GQR2          (0x392)
#define SPR_440_DNV2          (0x392)
#define SPR_750_GQR3          (0x393)
#define SPR_440_DNV3          (0x393)
#define SPR_750_GQR4          (0x394)
#define SPR_440_DTV0          (0x394)
#define SPR_750_GQR5          (0x395)
#define SPR_440_DTV1          (0x395)
#define SPR_750_GQR6          (0x396)
#define SPR_440_DTV2          (0x396)
#define SPR_750_GQR7          (0x397)
#define SPR_440_DTV3          (0x397)
#define SPR_750_THRM4         (0x398)
#define SPR_750CL_HID2        (0x398)
#define SPR_440_DVLIM         (0x398)
#define SPR_750_WPAR          (0x399)
#define SPR_440_IVLIM         (0x399)
#define SPR_TSCR              (0x399)
#define SPR_750_DMAU          (0x39A)
#define SPR_POWER_TTR         (0x39A)
#define SPR_750_DMAL          (0x39B)
#define SPR_440_RSTCFG        (0x39B)
#define SPR_BOOKE_DCDBTRL     (0x39C)
#define SPR_BOOKE_DCDBTRH     (0x39D)
#define SPR_BOOKE_ICDBTRL     (0x39E)
#define SPR_BOOKE_ICDBTRH     (0x39F)
#define SPR_74XX_UMMCR2       (0x3A0)
#define SPR_7XX_UPMC5         (0x3A1)
#define SPR_7XX_UPMC6         (0x3A2)
#define SPR_UBAMR             (0x3A7)
#define SPR_7XX_UMMCR0        (0x3A8)
#define SPR_7XX_UPMC1         (0x3A9)
#define SPR_7XX_UPMC2         (0x3AA)
#define SPR_7XX_USIAR         (0x3AB)
#define SPR_7XX_UMMCR1        (0x3AC)
#define SPR_7XX_UPMC3         (0x3AD)
#define SPR_7XX_UPMC4         (0x3AE)
#define SPR_USDA              (0x3AF)
#define SPR_40x_ZPR           (0x3B0)
#define SPR_BOOKE_MAS7        (0x3B0)
#define SPR_74XX_MMCR2        (0x3B0)
#define SPR_7XX_PMC5          (0x3B1)
#define SPR_40x_PID           (0x3B1)
#define SPR_7XX_PMC6          (0x3B2)
#define SPR_440_MMUCR         (0x3B2)
#define SPR_4xx_CCR0          (0x3B3)
#define SPR_BOOKE_EPLC        (0x3B3)
#define SPR_405_IAC3          (0x3B4)
#define SPR_BOOKE_EPSC        (0x3B4)
#define SPR_405_IAC4          (0x3B5)
#define SPR_405_DVC1          (0x3B6)
#define SPR_405_DVC2          (0x3B7)
#define SPR_BAMR              (0x3B7)
#define SPR_7XX_MMCR0         (0x3B8)
#define SPR_7XX_PMC1          (0x3B9)
#define SPR_40x_SGR           (0x3B9)
#define SPR_7XX_PMC2          (0x3BA)
#define SPR_40x_DCWR          (0x3BA)
#define SPR_7XX_SIAR          (0x3BB)
#define SPR_405_SLER          (0x3BB)
#define SPR_7XX_MMCR1         (0x3BC)
#define SPR_405_SU0R          (0x3BC)
#define SPR_401_SKR           (0x3BC)
#define SPR_7XX_PMC3          (0x3BD)
#define SPR_405_DBCR1         (0x3BD)
#define SPR_7XX_PMC4          (0x3BE)
#define SPR_SDA               (0x3BF)
#define SPR_403_VTBL          (0x3CC)
#define SPR_403_VTBU          (0x3CD)
#define SPR_DMISS             (0x3D0)
#define SPR_DCMP              (0x3D1)
#define SPR_HASH1             (0x3D2)
#define SPR_HASH2             (0x3D3)
#define SPR_BOOKE_ICDBDR      (0x3D3)
#define SPR_TLBMISS           (0x3D4)
#define SPR_IMISS             (0x3D4)
#define SPR_40x_ESR           (0x3D4)
#define SPR_PTEHI             (0x3D5)
#define SPR_ICMP              (0x3D5)
#define SPR_40x_DEAR          (0x3D5)
#define SPR_PTELO             (0x3D6)
#define SPR_RPA               (0x3D6)
#define SPR_40x_EVPR          (0x3D6)
#define SPR_L3PM              (0x3D7)
#define SPR_403_CDBCR         (0x3D7)
#define SPR_L3ITCR0           (0x3D8)
#define SPR_TCR               (0x3D8)
#define SPR_40x_TSR           (0x3D8)
#define SPR_IBR               (0x3DA)
#define SPR_40x_TCR           (0x3DA)
#define SPR_ESASRR            (0x3DB)
#define SPR_40x_PIT           (0x3DB)
#define SPR_403_TBL           (0x3DC)
#define SPR_403_TBU           (0x3DD)
#define SPR_SEBR              (0x3DE)
#define SPR_40x_SRR2          (0x3DE)
#define SPR_SER               (0x3DF)
#define SPR_40x_SRR3          (0x3DF)
#define SPR_L3OHCR            (0x3E8)
#define SPR_L3ITCR1           (0x3E9)
#define SPR_L3ITCR2           (0x3EA)
#define SPR_L3ITCR3           (0x3EB)
#define SPR_HID0              (0x3F0)
#define SPR_40x_DBSR          (0x3F0)
#define SPR_HID1              (0x3F1)
#define SPR_IABR              (0x3F2)
#define SPR_40x_DBCR0         (0x3F2)
#define SPR_Exxx_L1CSR0       (0x3F2)
#define SPR_ICTRL             (0x3F3)
#define SPR_HID2              (0x3F3)
#define SPR_750CL_HID4        (0x3F3)
#define SPR_Exxx_L1CSR1       (0x3F3)
#define SPR_440_DBDR          (0x3F3)
#define SPR_LDSTDB            (0x3F4)
#define SPR_750_TDCL          (0x3F4)
#define SPR_40x_IAC1          (0x3F4)
#define SPR_MMUCSR0           (0x3F4)
#define SPR_970_HID4          (0x3F4)
#define SPR_DABR              (0x3F5)
#define DABR_MASK (~(target_ulong)0x7)
#define SPR_Exxx_BUCSR        (0x3F5)
#define SPR_40x_IAC2          (0x3F5)
#define SPR_40x_DAC1          (0x3F6)
#define SPR_MSSCR0            (0x3F6)
#define SPR_970_HID5          (0x3F6)
#define SPR_MSSSR0            (0x3F7)
#define SPR_MSSCR1            (0x3F7)
#define SPR_DABRX             (0x3F7)
#define SPR_40x_DAC2          (0x3F7)
#define SPR_MMUCFG            (0x3F7)
#define SPR_LDSTCR            (0x3F8)
#define SPR_L2PMCR            (0x3F8)
#define SPR_750FX_HID2        (0x3F8)
#define SPR_Exxx_L1FINV0      (0x3F8)
#define SPR_L2CR              (0x3F9)
#define SPR_Exxx_L2CSR0       (0x3F9)
#define SPR_L3CR              (0x3FA)
#define SPR_750_TDCH          (0x3FA)
#define SPR_IABR2             (0x3FA)
#define SPR_40x_DCCR          (0x3FA)
#define SPR_ICTC              (0x3FB)
#define SPR_40x_ICCR          (0x3FB)
#define SPR_THRM1             (0x3FC)
#define SPR_403_PBL1          (0x3FC)
#define SPR_SP                (0x3FD)
#define SPR_THRM2             (0x3FD)
#define SPR_403_PBU1          (0x3FD)
#define SPR_604_HID13         (0x3FD)
#define SPR_LT                (0x3FE)
#define SPR_THRM3             (0x3FE)
#define SPR_RCPU_FPECR        (0x3FE)
#define SPR_403_PBL2          (0x3FE)
#define SPR_PIR               (0x3FF)
#define SPR_403_PBU2          (0x3FF)
#define SPR_604_HID15         (0x3FF)
#define SPR_E500_SVR          (0x3FF)

/* Disable MAS Interrupt Updates for Hypervisor */
#define EPCR_DMIUH            (1 << 22)
/* Disable Guest TLB Management Instructions */
#define EPCR_DGTMI            (1 << 23)
/* Guest Interrupt Computation Mode */
#define EPCR_GICM             (1 << 24)
/* Interrupt Computation Mode */
#define EPCR_ICM              (1 << 25)
/* Disable Embedded Hypervisor Debug */
#define EPCR_DUVD             (1 << 26)
/* Instruction Storage Interrupt Directed to Guest State */
#define EPCR_ISIGS            (1 << 27)
/* Data Storage Interrupt Directed to Guest State */
#define EPCR_DSIGS            (1 << 28)
/* Instruction TLB Error Interrupt Directed to Guest State */
#define EPCR_ITLBGS           (1 << 29)
/* Data TLB Error Interrupt Directed to Guest State */
#define EPCR_DTLBGS           (1 << 30)
/* External Input Interrupt Directed to Guest State */
#define EPCR_EXTGS            (1 << 31)

#define   L1CSR0_CPE    0x00010000  /* Data Cache Parity Enable */
#define   L1CSR0_CUL    0x00000400  /* (D-)Cache Unable to Lock */
#define   L1CSR0_DCLFR  0x00000100  /* D-Cache Lock Flash Reset */
#define   L1CSR0_DCFI   0x00000002  /* Data Cache Flash Invalidate */
#define   L1CSR0_DCE    0x00000001  /* Data Cache Enable */

#define   L1CSR1_CPE    0x00010000  /* Instruction Cache Parity Enable */
#define   L1CSR1_ICUL   0x00000400  /* I-Cache Unable to Lock */
#define   L1CSR1_ICLFR  0x00000100  /* I-Cache Lock Flash Reset */
#define   L1CSR1_ICFI   0x00000002  /* Instruction Cache Flash Invalidate */
#define   L1CSR1_ICE    0x00000001  /* Instruction Cache Enable */

/* E500 L2CSR0 */
#define E500_L2CSR0_L2FI    (1 << 21)   /* L2 cache flash invalidate */
#define E500_L2CSR0_L2FL    (1 << 11)   /* L2 cache flush */
#define E500_L2CSR0_L2LFC   (1 << 10)   /* L2 cache lock flash clear */

/* HID0 bits */
#define HID0_DEEPNAP        (1 << 24)           /* pre-2.06 */
#define HID0_DOZE           (1 << 23)           /* pre-2.06 */
#define HID0_NAP            (1 << 22)           /* pre-2.06 */
#define HID0_HILE           PPC_BIT(19) /* POWER8 */
#define HID0_POWER9_HILE    PPC_BIT(4)
#define HID0_ENABLE_ATTN    PPC_BIT(31) /* POWER8 */
#define HID0_POWER9_ENABLE_ATTN PPC_BIT(3)

/*****************************************************************************/
/* PowerPC Instructions types definitions                                    */
enum {
    PPC_NONE           = 0x0000000000000000ULL,
    /* PowerPC base instructions set                                         */
    PPC_INSNS_BASE     = 0x0000000000000001ULL,
    /*   integer operations instructions                                     */
#define PPC_INTEGER PPC_INSNS_BASE
    /*   flow control instructions                                           */
#define PPC_FLOW    PPC_INSNS_BASE
    /*   virtual memory instructions                                         */
#define PPC_MEM     PPC_INSNS_BASE
    /*   ld/st with reservation instructions                                 */
#define PPC_RES     PPC_INSNS_BASE
    /*   spr/msr access instructions                                         */
#define PPC_MISC    PPC_INSNS_BASE
    /* 64 bits PowerPC instruction set                                       */
    PPC_64B            = 0x0000000000000020ULL,
    /*   New 64 bits extensions (PowerPC 2.0x)                               */
    PPC_64BX           = 0x0000000000000040ULL,
    /*   64 bits hypervisor extensions                                       */
    PPC_64H            = 0x0000000000000080ULL,
    /*   New wait instruction (PowerPC 2.0x)                                 */
    PPC_WAIT           = 0x0000000000000100ULL,
    /*   Time base mftb instruction                                          */
    PPC_MFTB           = 0x0000000000000200ULL,

    /* Fixed-point unit extensions                                           */
    /*   isel instruction                                                    */
    PPC_ISEL           = 0x0000000000000800ULL,
    /*   popcntb instruction                                                 */
    PPC_POPCNTB        = 0x0000000000001000ULL,
    /*   string load / store                                                 */
    PPC_STRING         = 0x0000000000002000ULL,
    /*   real mode cache inhibited load / store                              */
    PPC_CILDST         = 0x0000000000004000ULL,

    /* Floating-point unit extensions                                        */
    /*   Optional floating point instructions                                */
    PPC_FLOAT          = 0x0000000000010000ULL,
    /* New floating-point extensions (PowerPC 2.0x)                          */
    PPC_FLOAT_EXT      = 0x0000000000020000ULL,
    PPC_FLOAT_FSQRT    = 0x0000000000040000ULL,
    PPC_FLOAT_FRES     = 0x0000000000080000ULL,
    PPC_FLOAT_FRSQRTE  = 0x0000000000100000ULL,
    PPC_FLOAT_FRSQRTES = 0x0000000000200000ULL,
    PPC_FLOAT_FSEL     = 0x0000000000400000ULL,
    PPC_FLOAT_STFIWX   = 0x0000000000800000ULL,

    /* Vector/SIMD extensions                                                */
    /*   Altivec support                                                     */
    PPC_ALTIVEC        = 0x0000000001000000ULL,
    /*   PowerPC 2.03 SPE extension                                          */
    PPC_SPE            = 0x0000000002000000ULL,
    /*   PowerPC 2.03 SPE single-precision floating-point extension          */
    PPC_SPE_SINGLE     = 0x0000000004000000ULL,
    /*   PowerPC 2.03 SPE double-precision floating-point extension          */
    PPC_SPE_DOUBLE     = 0x0000000008000000ULL,

    /* Optional memory control instructions                                  */
    PPC_MEM_TLBIA      = 0x0000000010000000ULL,
    PPC_MEM_TLBIE      = 0x0000000020000000ULL,
    PPC_MEM_TLBSYNC    = 0x0000000040000000ULL,
    /*   sync instruction                                                    */
    PPC_MEM_SYNC       = 0x0000000080000000ULL,
    /*   eieio instruction                                                   */
    PPC_MEM_EIEIO      = 0x0000000100000000ULL,

    /* Cache control instructions                                            */
    PPC_CACHE          = 0x0000000200000000ULL,
    /*   icbi instruction                                                    */
    PPC_CACHE_ICBI     = 0x0000000400000000ULL,
    /*   dcbz instruction                                                    */
    PPC_CACHE_DCBZ     = 0x0000000800000000ULL,
    /*   dcba instruction                                                    */
    PPC_CACHE_DCBA     = 0x0000002000000000ULL,
    /*   Freescale cache locking instructions                                */
    PPC_CACHE_LOCK     = 0x0000004000000000ULL,

    /* MMU related extensions                                                */
    /*   external control instructions                                       */
    PPC_EXTERN         = 0x0000010000000000ULL,
    /*   segment register access instructions                                */
    PPC_SEGMENT        = 0x0000020000000000ULL,
    /*   PowerPC 6xx TLB management instructions                             */
    PPC_6xx_TLB        = 0x0000040000000000ULL,
    /*   PowerPC 40x TLB management instructions                             */
    PPC_40x_TLB        = 0x0000100000000000ULL,
    /*   segment register access instructions for PowerPC 64 "bridge"        */
    PPC_SEGMENT_64B    = 0x0000200000000000ULL,
    /*   SLB management                                                      */
    PPC_SLBI           = 0x0000400000000000ULL,

    /* Embedded PowerPC dedicated instructions                               */
    PPC_WRTEE          = 0x0001000000000000ULL,
    /* PowerPC 40x exception model                                           */
    PPC_40x_EXCP       = 0x0002000000000000ULL,
    /* PowerPC 405 Mac instructions                                          */
    PPC_405_MAC        = 0x0004000000000000ULL,
    /* PowerPC 440 specific instructions                                     */
    PPC_440_SPEC       = 0x0008000000000000ULL,
    /* BookE (embedded) PowerPC specification                                */
    PPC_BOOKE          = 0x0010000000000000ULL,
    /* mfapidi instruction                                                   */
    PPC_MFAPIDI        = 0x0020000000000000ULL,
    /* tlbiva instruction                                                    */
    PPC_TLBIVA         = 0x0040000000000000ULL,
    /* tlbivax instruction                                                   */
    PPC_TLBIVAX        = 0x0080000000000000ULL,
    /* PowerPC 4xx dedicated instructions                                    */
    PPC_4xx_COMMON     = 0x0100000000000000ULL,
    /* PowerPC 40x ibct instructions                                         */
    PPC_40x_ICBT       = 0x0200000000000000ULL,
    /* rfmci is not implemented in all BookE PowerPC                         */
    PPC_RFMCI          = 0x0400000000000000ULL,
    /* rfdi instruction                                                      */
    PPC_RFDI           = 0x0800000000000000ULL,
    /* DCR accesses                                                          */
    PPC_DCR            = 0x1000000000000000ULL,
    /* DCR extended accesse                                                  */
    PPC_DCRX           = 0x2000000000000000ULL,
    /* popcntw and popcntd instructions                                      */
    PPC_POPCNTWD       = 0x8000000000000000ULL,

#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 \
                        | PPC_FLOAT_FSQRT | PPC_FLOAT_FRES \
                        | PPC_FLOAT_FRSQRTE | PPC_FLOAT_FRSQRTES \
                        | PPC_FLOAT_FSEL | PPC_FLOAT_STFIWX \
                        | PPC_ALTIVEC | PPC_SPE | PPC_SPE_SINGLE \
                        | PPC_SPE_DOUBLE | PPC_MEM_TLBIA \
                        | PPC_MEM_TLBIE | PPC_MEM_TLBSYNC \
                        | PPC_MEM_SYNC | PPC_MEM_EIEIO \
                        | PPC_CACHE | PPC_CACHE_ICBI \
                        | PPC_CACHE_DCBZ \
                        | PPC_CACHE_DCBA | PPC_CACHE_LOCK \
                        | PPC_EXTERN | PPC_SEGMENT | PPC_6xx_TLB \
                        | PPC_40x_TLB | PPC_SEGMENT_64B \
                        | PPC_SLBI | PPC_WRTEE | PPC_40x_EXCP \
                        | PPC_405_MAC | PPC_440_SPEC | PPC_BOOKE \
                        | PPC_MFAPIDI | PPC_TLBIVA | PPC_TLBIVAX \
                        | PPC_4xx_COMMON | PPC_40x_ICBT | PPC_RFMCI \
                        | PPC_RFDI | PPC_DCR | PPC_DCRX | PPC_POPCNTWD \
                        | PPC_CILDST)

    /* extended type values */

    /* BookE 2.06 PowerPC specification                                      */
    PPC2_BOOKE206      = 0x0000000000000001ULL,
    /* VSX (extensions to Altivec / VMX)                                     */
    PPC2_VSX           = 0x0000000000000002ULL,
    /* Decimal Floating Point (DFP)                                          */
    PPC2_DFP           = 0x0000000000000004ULL,
    /* Embedded.Processor Control                                            */
    PPC2_PRCNTL        = 0x0000000000000008ULL,
    /* Byte-reversed, indexed, double-word load and store                    */
    PPC2_DBRX          = 0x0000000000000010ULL,
    /* Book I 2.05 PowerPC specification                                     */
    PPC2_ISA205        = 0x0000000000000020ULL,
    /* VSX additions in ISA 2.07                                             */
    PPC2_VSX207        = 0x0000000000000040ULL,
    /* ISA 2.06B bpermd                                                      */
    PPC2_PERM_ISA206   = 0x0000000000000080ULL,
    /* ISA 2.06B divide extended variants                                    */
    PPC2_DIVE_ISA206   = 0x0000000000000100ULL,
    /* ISA 2.06B larx/stcx. instructions                                     */
    PPC2_ATOMIC_ISA206 = 0x0000000000000200ULL,
    /* ISA 2.06B floating point integer conversion                           */
    PPC2_FP_CVT_ISA206 = 0x0000000000000400ULL,
    /* ISA 2.06B floating point test instructions                            */
    PPC2_FP_TST_ISA206 = 0x0000000000000800ULL,
    /* ISA 2.07 bctar instruction                                            */
    PPC2_BCTAR_ISA207  = 0x0000000000001000ULL,
    /* ISA 2.07 load/store quadword                                          */
    PPC2_LSQ_ISA207    = 0x0000000000002000ULL,
    /* ISA 2.07 Altivec                                                      */
    PPC2_ALTIVEC_207   = 0x0000000000004000ULL,
    /* PowerISA 2.07 Book3s specification                                    */
    PPC2_ISA207S       = 0x0000000000008000ULL,
    /* Double precision floating point conversion for signed integer 64      */
    PPC2_FP_CVT_S64    = 0x0000000000010000ULL,
    /* Transactional Memory (ISA 2.07, Book II)                              */
    PPC2_TM            = 0x0000000000020000ULL,
    /* Server PM instructgions (ISA 2.06, Book III)                          */
    PPC2_PM_ISA206     = 0x0000000000040000ULL,
    /* POWER ISA 3.0                                                         */
    PPC2_ISA300        = 0x0000000000080000ULL,
    /* POWER ISA 3.1                                                         */
    PPC2_ISA310        = 0x0000000000100000ULL,
    /*   lwsync instruction                                                  */
    PPC2_MEM_LWSYNC    = 0x0000000000200000ULL,
    /* ISA 2.06 BCD assist instructions                                      */
    PPC2_BCDA_ISA206   = 0x0000000000400000ULL,

#define PPC_TCG_INSNS2 (PPC2_BOOKE206 | PPC2_VSX | PPC2_PRCNTL | PPC2_DBRX | \
                        PPC2_ISA205 | PPC2_VSX207 | PPC2_PERM_ISA206 | \
                        PPC2_DIVE_ISA206 | PPC2_ATOMIC_ISA206 | \
                        PPC2_FP_CVT_ISA206 | PPC2_FP_TST_ISA206 | \
                        PPC2_BCTAR_ISA207 | PPC2_LSQ_ISA207 | \
                        PPC2_ALTIVEC_207 | PPC2_ISA207S | PPC2_DFP | \
                        PPC2_FP_CVT_S64 | PPC2_TM | PPC2_PM_ISA206 | \
                        PPC2_ISA300 | PPC2_ISA310 | PPC2_MEM_LWSYNC | \
                        PPC2_BCDA_ISA206)
};

/*****************************************************************************/
/*
 * Memory access type :
 * may be needed for precise access rights control and precise exceptions.
 */
enum {
    /* Type of instruction that generated the access */
    ACCESS_CODE  = 0x10, /* Code fetch access                */
    ACCESS_INT   = 0x20, /* Integer load/store access        */
    ACCESS_FLOAT = 0x30, /* floating point load/store access */
    ACCESS_RES   = 0x40, /* load/store with reservation      */
    ACCESS_EXT   = 0x50, /* external access                  */
    ACCESS_CACHE = 0x60, /* Cache manipulation               */
};

/*
 * Hardware interrupt sources:
 *   all those exception can be raised simulteaneously
 */
/* Input pins definitions */
enum {
    /* 6xx bus input pins */
    PPC6xx_INPUT_HRESET     = 0,
    PPC6xx_INPUT_SRESET     = 1,
    PPC6xx_INPUT_CKSTP_IN   = 2,
    PPC6xx_INPUT_MCP        = 3,
    PPC6xx_INPUT_SMI        = 4,
    PPC6xx_INPUT_INT        = 5,
    PPC6xx_INPUT_TBEN       = 6,
    PPC6xx_INPUT_WAKEUP     = 7,
    PPC6xx_INPUT_NB,
};

enum {
    /* Embedded PowerPC input pins */
    PPCBookE_INPUT_HRESET     = 0,
    PPCBookE_INPUT_SRESET     = 1,
    PPCBookE_INPUT_CKSTP_IN   = 2,
    PPCBookE_INPUT_MCP        = 3,
    PPCBookE_INPUT_SMI        = 4,
    PPCBookE_INPUT_INT        = 5,
    PPCBookE_INPUT_CINT       = 6,
    PPCBookE_INPUT_NB,
};

enum {
    /* PowerPC E500 input pins */
    PPCE500_INPUT_RESET_CORE = 0,
    PPCE500_INPUT_MCK        = 1,
    PPCE500_INPUT_CINT       = 3,
    PPCE500_INPUT_INT        = 4,
    PPCE500_INPUT_DEBUG      = 6,
    PPCE500_INPUT_NB,
};

enum {
    /* PowerPC 40x input pins */
    PPC40x_INPUT_RESET_CORE = 0,
    PPC40x_INPUT_RESET_CHIP = 1,
    PPC40x_INPUT_RESET_SYS  = 2,
    PPC40x_INPUT_CINT       = 3,
    PPC40x_INPUT_INT        = 4,
    PPC40x_INPUT_HALT       = 5,
    PPC40x_INPUT_DEBUG      = 6,
    PPC40x_INPUT_NB,
};

enum {
    /* RCPU input pins */
    PPCRCPU_INPUT_PORESET   = 0,
    PPCRCPU_INPUT_HRESET    = 1,
    PPCRCPU_INPUT_SRESET    = 2,
    PPCRCPU_INPUT_IRQ0      = 3,
    PPCRCPU_INPUT_IRQ1      = 4,
    PPCRCPU_INPUT_IRQ2      = 5,
    PPCRCPU_INPUT_IRQ3      = 6,
    PPCRCPU_INPUT_IRQ4      = 7,
    PPCRCPU_INPUT_IRQ5      = 8,
    PPCRCPU_INPUT_IRQ6      = 9,
    PPCRCPU_INPUT_IRQ7      = 10,
    PPCRCPU_INPUT_NB,
};

#if defined(TARGET_PPC64)
enum {
    /* PowerPC 970 input pins */
    PPC970_INPUT_HRESET     = 0,
    PPC970_INPUT_SRESET     = 1,
    PPC970_INPUT_CKSTP      = 2,
    PPC970_INPUT_TBEN       = 3,
    PPC970_INPUT_MCP        = 4,
    PPC970_INPUT_INT        = 5,
    PPC970_INPUT_THINT      = 6,
    PPC970_INPUT_NB,
};

enum {
    /* POWER7 input pins */
    POWER7_INPUT_INT        = 0,
    /*
     * POWER7 probably has other inputs, but we don't care about them
     * for any existing machine.  We can wire these up when we need
     * them
     */
    POWER7_INPUT_NB,
};

enum {
    /* POWER9 input pins */
    POWER9_INPUT_INT        = 0,
    POWER9_INPUT_HINT       = 1,
    POWER9_INPUT_NB,
};
#endif

/* Hardware exceptions definitions */
enum {
    /* External hardware exception sources */
    PPC_INTERRUPT_RESET     = 0x00001,  /* Reset exception                    */
    PPC_INTERRUPT_WAKEUP    = 0x00002,  /* Wakeup exception                   */
    PPC_INTERRUPT_MCK       = 0x00004,  /* Machine check exception            */
    PPC_INTERRUPT_EXT       = 0x00008,  /* External interrupt                 */
    PPC_INTERRUPT_SMI       = 0x00010,  /* System management interrupt        */
    PPC_INTERRUPT_CEXT      = 0x00020,  /* Critical external interrupt        */
    PPC_INTERRUPT_DEBUG     = 0x00040,  /* External debug exception           */
    PPC_INTERRUPT_THERM     = 0x00080,  /* Thermal exception                  */
    /* Internal hardware exception sources */
    PPC_INTERRUPT_DECR      = 0x00100, /* Decrementer exception               */
    PPC_INTERRUPT_HDECR     = 0x00200, /* Hypervisor decrementer exception    */
    PPC_INTERRUPT_PIT       = 0x00400, /* Programmable interval timer int.    */
    PPC_INTERRUPT_FIT       = 0x00800, /* Fixed interval timer interrupt      */
    PPC_INTERRUPT_WDT       = 0x01000, /* Watchdog timer interrupt            */
    PPC_INTERRUPT_CDOORBELL = 0x02000, /* Critical doorbell interrupt         */
    PPC_INTERRUPT_DOORBELL  = 0x04000, /* Doorbell interrupt                  */
    PPC_INTERRUPT_PERFM     = 0x08000, /* Performance monitor interrupt       */
    PPC_INTERRUPT_HMI       = 0x10000, /* Hypervisor Maintenance interrupt    */
    PPC_INTERRUPT_HDOORBELL = 0x20000, /* Hypervisor Doorbell interrupt       */
    PPC_INTERRUPT_HVIRT     = 0x40000, /* Hypervisor virtualization interrupt */
    PPC_INTERRUPT_EBB       = 0x80000, /* Event-based Branch exception        */
};

/* Processor Compatibility mask (PCR) */
enum {
    PCR_COMPAT_2_05     = PPC_BIT(62),
    PCR_COMPAT_2_06     = PPC_BIT(61),
    PCR_COMPAT_2_07     = PPC_BIT(60),
    PCR_COMPAT_3_00     = PPC_BIT(59),
    PCR_COMPAT_3_10     = PPC_BIT(58),
    PCR_VEC_DIS         = PPC_BIT(0), /* Vec. disable (bit NA since POWER8) */
    PCR_VSX_DIS         = PPC_BIT(1), /* VSX disable (bit NA since POWER8) */
    PCR_TM_DIS          = PPC_BIT(2), /* Trans. memory disable (POWER8) */
};

/* HMER/HMEER */
enum {
    HMER_MALFUNCTION_ALERT      = PPC_BIT(0),
    HMER_PROC_RECV_DONE         = PPC_BIT(2),
    HMER_PROC_RECV_ERROR_MASKED = PPC_BIT(3),
    HMER_TFAC_ERROR             = PPC_BIT(4),
    HMER_TFMR_PARITY_ERROR      = PPC_BIT(5),
    HMER_XSCOM_FAIL             = PPC_BIT(8),
    HMER_XSCOM_DONE             = PPC_BIT(9),
    HMER_PROC_RECV_AGAIN        = PPC_BIT(11),
    HMER_WARN_RISE              = PPC_BIT(14),
    HMER_WARN_FALL              = PPC_BIT(15),
    HMER_SCOM_FIR_HMI           = PPC_BIT(16),
    HMER_TRIG_FIR_HMI           = PPC_BIT(17),
    HMER_HYP_RESOURCE_ERR       = PPC_BIT(20),
    HMER_XSCOM_STATUS_MASK      = PPC_BITMASK(21, 23),
};

/* TFMR */
enum {
    TFMR_CONTROL_MASK           = PPC_BITMASK(0, 24),
    TFMR_MASK_HMI               = PPC_BIT(10),
    TFMR_TB_ECLIPZ              = PPC_BIT(14),
    TFMR_LOAD_TOD_MOD           = PPC_BIT(16),
    TFMR_MOVE_CHIP_TOD_TO_TB    = PPC_BIT(18),
    TFMR_CLEAR_TB_ERRORS        = PPC_BIT(24),
    TFMR_STATUS_MASK            = PPC_BITMASK(25, 63),
    TFMR_TBST_ENCODED           = PPC_BITMASK(28, 31), /* TBST = TB State */
    TFMR_TBST_LAST              = PPC_BITMASK(32, 35), /* Previous TBST */
    TFMR_TB_ENABLED             = PPC_BIT(40),
    TFMR_TB_VALID               = PPC_BIT(41),
    TFMR_TB_SYNC_OCCURED        = PPC_BIT(42),
    TFMR_FIRMWARE_CONTROL_ERROR = PPC_BIT(46),
};

/* TFMR TBST (Time Base State Machine). */
enum {
    TBST_RESET                  = 0x0,
    TBST_SEND_TOD_MOD           = 0x1,
    TBST_NOT_SET                = 0x2,
    TBST_SYNC_WAIT              = 0x6,
    TBST_GET_TOD                = 0x7,
    TBST_TB_RUNNING             = 0x8,
    TBST_TB_ERROR               = 0x9,
};

/*****************************************************************************/

#define is_isa300(ctx) (!!(ctx->insns_flags2 & PPC2_ISA300))
target_ulong cpu_read_xer(const CPUPPCState *env);
void cpu_write_xer(CPUPPCState *env, target_ulong xer);

/*
 * All 64-bit server processors compliant with arch 2.x, ie. 970 and newer,
 * have PPC_SEGMENT_64B.
 */
#define is_book3s_arch2x(ctx) (!!((ctx)->insns_flags & PPC_SEGMENT_64B))

#ifdef CONFIG_DEBUG_TCG
void cpu_get_tb_cpu_state(CPUPPCState *env, vaddr *pc,
                          uint64_t *cs_base, uint32_t *flags);
#else
static inline void cpu_get_tb_cpu_state(CPUPPCState *env, vaddr *pc,
                                        uint64_t *cs_base, uint32_t *flags)
{
    *pc = env->nip;
    *cs_base = 0;
    *flags = env->hflags;
}
#endif

G_NORETURN void raise_exception(CPUPPCState *env, uint32_t exception);
G_NORETURN void raise_exception_ra(CPUPPCState *env, uint32_t exception,
                                   uintptr_t raddr);
G_NORETURN void raise_exception_err(CPUPPCState *env, uint32_t exception,
                                    uint32_t error_code);
G_NORETURN void raise_exception_err_ra(CPUPPCState *env, uint32_t exception,
                                       uint32_t error_code, uintptr_t raddr);

/* PERFM EBB helper*/
#if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
void raise_ebb_perfm_exception(CPUPPCState *env);
#endif

#if !defined(CONFIG_USER_ONLY)
static inline int booke206_tlbm_id(CPUPPCState *env, ppcmas_tlb_t *tlbm)
{
    uintptr_t tlbml = (uintptr_t)tlbm;
    uintptr_t tlbl = (uintptr_t)env->tlb.tlbm;

    return (tlbml - tlbl) / sizeof(env->tlb.tlbm[0]);
}

static inline int booke206_tlb_size(CPUPPCState *env, int tlbn)
{
    uint32_t tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlbn];
    int r = tlbncfg & TLBnCFG_N_ENTRY;
    return r;
}

static inline int booke206_tlb_ways(CPUPPCState *env, int tlbn)
{
    uint32_t tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlbn];
    int r = tlbncfg >> TLBnCFG_ASSOC_SHIFT;
    return r;
}

static inline int booke206_tlbm_to_tlbn(CPUPPCState *env, ppcmas_tlb_t *tlbm)
{
    int id = booke206_tlbm_id(env, tlbm);
    int end = 0;
    int i;

    for (i = 0; i < BOOKE206_MAX_TLBN; i++) {
        end += booke206_tlb_size(env, i);
        if (id < end) {
            return i;
        }
    }

    cpu_abort(env_cpu(env), "Unknown TLBe: %d\n", id);
    return 0;
}

static inline int booke206_tlbm_to_way(CPUPPCState *env, ppcmas_tlb_t *tlb)
{
    int tlbn = booke206_tlbm_to_tlbn(env, tlb);
    int tlbid = booke206_tlbm_id(env, tlb);
    return tlbid & (booke206_tlb_ways(env, tlbn) - 1);
}

static inline ppcmas_tlb_t *booke206_get_tlbm(CPUPPCState *env, const int tlbn,
                                              target_ulong ea, int way)
{
    int r;
    uint32_t ways = booke206_tlb_ways(env, tlbn);
    int ways_bits = ctz32(ways);
    int tlb_bits = ctz32(booke206_tlb_size(env, tlbn));
    int i;

    way &= ways - 1;
    ea >>= MAS2_EPN_SHIFT;
    ea &= (1 << (tlb_bits - ways_bits)) - 1;
    r = (ea << ways_bits) | way;

    if (r >= booke206_tlb_size(env, tlbn)) {
        return NULL;
    }

    /* bump up to tlbn index */
    for (i = 0; i < tlbn; i++) {
        r += booke206_tlb_size(env, i);
    }

    return &env->tlb.tlbm[r];
}

/* returns bitmap of supported page sizes for a given TLB */
static inline uint32_t booke206_tlbnps(CPUPPCState *env, const int tlbn)
{
    uint32_t ret = 0;

    if ((env->spr[SPR_MMUCFG] & MMUCFG_MAVN) == MMUCFG_MAVN_V2) {
        /* MAV2 */
        ret = env->spr[SPR_BOOKE_TLB0PS + tlbn];
    } else {
        uint32_t tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlbn];
        uint32_t min = (tlbncfg & TLBnCFG_MINSIZE) >> TLBnCFG_MINSIZE_SHIFT;
        uint32_t max = (tlbncfg & TLBnCFG_MAXSIZE) >> TLBnCFG_MAXSIZE_SHIFT;
        int i;
        for (i = min; i <= max; i++) {
            ret |= (1 << (i << 1));
        }
    }

    return ret;
}

static inline void booke206_fixed_size_tlbn(CPUPPCState *env, const int tlbn,
                                            ppcmas_tlb_t *tlb)
{
    uint8_t i;
    int32_t tsize = -1;

    for (i = 0; i < 32; i++) {
        if ((env->spr[SPR_BOOKE_TLB0PS + tlbn]) & (1ULL << i)) {
            if (tsize == -1) {
                tsize = i;
            } else {
                return;
            }
        }
    }

    /* TLBnPS unimplemented? Odd.. */
    assert(tsize != -1);
    tlb->mas1 &= ~MAS1_TSIZE_MASK;
    tlb->mas1 |= ((uint32_t)tsize) << MAS1_TSIZE_SHIFT;
}

static inline bool ppc_is_split_tlb(PowerPCCPU *cpu)
{
    return cpu->env.tlb_type == TLB_6XX;
}
#endif

static inline bool msr_is_64bit(CPUPPCState *env, target_ulong msr)
{
    if (env->mmu_model == POWERPC_MMU_BOOKE206) {
        return msr & (1ULL << MSR_CM);
    }

    return msr & (1ULL << MSR_SF);
}

/**
 * Check whether register rx is in the range between start and
 * start + nregs (as needed by the LSWX and LSWI instructions)
 */
static inline bool lsw_reg_in_range(int start, int nregs, int rx)
{
    return (start + nregs <= 32 && rx >= start && rx < start + nregs) ||
           (start + nregs > 32 && (rx >= start || rx < start + nregs - 32));
}

/* Accessors for FP, VMX and VSX registers */
#if HOST_BIG_ENDIAN
#define VsrB(i) u8[i]
#define VsrSB(i) s8[i]
#define VsrH(i) u16[i]
#define VsrSH(i) s16[i]
#define VsrW(i) u32[i]
#define VsrSW(i) s32[i]
#define VsrD(i) u64[i]
#define VsrSD(i) s64[i]
#define VsrHF(i) f16[i]
#define VsrSF(i) f32[i]
#define VsrDF(i) f64[i]
#else
#define VsrB(i) u8[15 - (i)]
#define VsrSB(i) s8[15 - (i)]
#define VsrH(i) u16[7 - (i)]
#define VsrSH(i) s16[7 - (i)]
#define VsrW(i) u32[3 - (i)]
#define VsrSW(i) s32[3 - (i)]
#define VsrD(i) u64[1 - (i)]
#define VsrSD(i) s64[1 - (i)]
#define VsrHF(i) f16[7 - (i)]
#define VsrSF(i) f32[3 - (i)]
#define VsrDF(i) f64[1 - (i)]
#endif

static inline int vsr64_offset(int i, bool high)
{
    return offsetof(CPUPPCState, vsr[i].VsrD(high ? 0 : 1));
}

static inline int vsr_full_offset(int i)
{
    return offsetof(CPUPPCState, vsr[i].u64[0]);
}

static inline int acc_full_offset(int i)
{
    return vsr_full_offset(i * 4);
}

static inline int fpr_offset(int i)
{
    return vsr64_offset(i, true);
}

static inline uint64_t *cpu_fpr_ptr(CPUPPCState *env, int i)
{
    return (uint64_t *)((uintptr_t)env + fpr_offset(i));
}

static inline uint64_t *cpu_vsrl_ptr(CPUPPCState *env, int i)
{
    return (uint64_t *)((uintptr_t)env + vsr64_offset(i, false));
}

static inline long avr64_offset(int i, bool high)
{
    return vsr64_offset(i + 32, high);
}

static inline int avr_full_offset(int i)
{
    return vsr_full_offset(i + 32);
}

static inline ppc_avr_t *cpu_avr_ptr(CPUPPCState *env, int i)
{
    return (ppc_avr_t *)((uintptr_t)env + avr_full_offset(i));
}

static inline bool ppc_has_spr(PowerPCCPU *cpu, int spr)
{
    /* We can test whether the SPR is defined by checking for a valid name */
    return cpu->env.spr_cb[spr].name != NULL;
}

#if !defined(CONFIG_USER_ONLY)
/* Sort out endianness of interrupt. Depends on the CPU, HV mode, etc. */
static inline bool ppc_interrupts_little_endian(PowerPCCPU *cpu, bool hv)
{
    PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
    CPUPPCState *env = &cpu->env;
    bool ile;

    if (hv && env->has_hv_mode) {
        if (is_isa300(pcc)) {
            ile = !!(env->spr[SPR_HID0] & HID0_POWER9_HILE);
        } else {
            ile = !!(env->spr[SPR_HID0] & HID0_HILE);
        }

    } else if (pcc->lpcr_mask & LPCR_ILE) {
        ile = !!(env->spr[SPR_LPCR] & LPCR_ILE);
    } else {
        ile = FIELD_EX64(env->msr, MSR, ILE);
    }

    return ile;
}
#endif

void dump_mmu(CPUPPCState *env);

void ppc_maybe_bswap_register(CPUPPCState *env, uint8_t *mem_buf, int len);
void ppc_store_vscr(CPUPPCState *env, uint32_t vscr);
uint32_t ppc_get_vscr(CPUPPCState *env);
void ppc_set_cr(CPUPPCState *env, uint64_t cr);
uint64_t ppc_get_cr(const CPUPPCState *env);

/*****************************************************************************/
/* Power management enable checks                                            */
static inline int check_pow_none(CPUPPCState *env)
{
    return 0;
}

static inline int check_pow_nocheck(CPUPPCState *env)
{
    return 1;
}

/* attn enable check                                                         */
static inline int check_attn_none(CPUPPCState *env)
{
    return 0;
}

/*****************************************************************************/
/* PowerPC implementations definitions                                       */

#define POWERPC_FAMILY(_name)                                               \
    static void                                                             \
    glue(glue(ppc_, _name), _cpu_family_class_init)(ObjectClass *, void *); \
                                                                            \
    static const TypeInfo                                                   \
    glue(glue(ppc_, _name), _cpu_family_type_info) = {                      \
        .name = stringify(_name) "-family-" TYPE_POWERPC_CPU,               \
        .parent = TYPE_POWERPC_CPU,                                         \
        .abstract = true,                                                   \
        .class_init = glue(glue(ppc_, _name), _cpu_family_class_init),      \
    };                                                                      \
                                                                            \
    static void glue(glue(ppc_, _name), _cpu_family_register_types)(void)   \
    {                                                                       \
        type_register_static(                                               \
            &glue(glue(ppc_, _name), _cpu_family_type_info));               \
    }                                                                       \
                                                                            \
    type_init(glue(glue(ppc_, _name), _cpu_family_register_types))          \
                                                                            \
    static void glue(glue(ppc_, _name), _cpu_family_class_init)


#endif /* PPC_CPU_H */