LXR qemu/target/ppc/cpu-qom.h

   1/*
   2 * QEMU PowerPC CPU
   3 *
   4 * Copyright (c) 2012 SUSE LINUX Products GmbH
   5 *
   6 * This library is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU Lesser General Public
   8 * License as published by the Free Software Foundation; either
   9 * version 2.1 of the License, or (at your option) any later version.
  10 *
  11 * This library is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 * Lesser General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU Lesser General Public
  17 * License along with this library; if not, see
  18 * <http://www.gnu.org/licenses/lgpl-2.1.html>
  19 */
  20#ifndef QEMU_PPC_CPU_QOM_H
  21#define QEMU_PPC_CPU_QOM_H
  22
  23#include "qom/cpu.h"
  24
  25#ifdef TARGET_PPC64
  26#define TYPE_POWERPC_CPU "powerpc64-cpu"
  27#else
  28#define TYPE_POWERPC_CPU "powerpc-cpu"
  29#endif
  30
  31#define POWERPC_CPU_CLASS(klass) \
  32    OBJECT_CLASS_CHECK(PowerPCCPUClass, (klass), TYPE_POWERPC_CPU)
  33#define POWERPC_CPU(obj) \
  34    OBJECT_CHECK(PowerPCCPU, (obj), TYPE_POWERPC_CPU)
  35#define POWERPC_CPU_GET_CLASS(obj) \
  36    OBJECT_GET_CLASS(PowerPCCPUClass, (obj), TYPE_POWERPC_CPU)
  37
  38typedef struct PowerPCCPU PowerPCCPU;
  39typedef struct CPUPPCState CPUPPCState;
  40typedef struct ppc_tb_t ppc_tb_t;
  41typedef struct ppc_dcr_t ppc_dcr_t;
  42
  43/*****************************************************************************/
  44/* MMU model                                                                 */
  45typedef enum powerpc_mmu_t powerpc_mmu_t;
  46enum powerpc_mmu_t {
  47    POWERPC_MMU_UNKNOWN    = 0x00000000,
  48    /* Standard 32 bits PowerPC MMU                            */
  49    POWERPC_MMU_32B        = 0x00000001,
  50    /* PowerPC 6xx MMU with software TLB                       */
  51    POWERPC_MMU_SOFT_6xx   = 0x00000002,
  52    /* PowerPC 74xx MMU with software TLB                      */
  53    POWERPC_MMU_SOFT_74xx  = 0x00000003,
  54    /* PowerPC 4xx MMU with software TLB                       */
  55    POWERPC_MMU_SOFT_4xx   = 0x00000004,
  56    /* PowerPC 4xx MMU with software TLB and zones protections */
  57    POWERPC_MMU_SOFT_4xx_Z = 0x00000005,
  58    /* PowerPC MMU in real mode only                           */
  59    POWERPC_MMU_REAL       = 0x00000006,
  60    /* Freescale MPC8xx MMU model                              */
  61    POWERPC_MMU_MPC8xx     = 0x00000007,
  62    /* BookE MMU model                                         */
  63    POWERPC_MMU_BOOKE      = 0x00000008,
  64    /* BookE 2.06 MMU model                                    */
  65    POWERPC_MMU_BOOKE206   = 0x00000009,
  66    /* PowerPC 601 MMU model (specific BATs format)            */
  67    POWERPC_MMU_601        = 0x0000000A,
  68#define POWERPC_MMU_64       0x00010000
  69    /* 64 bits PowerPC MMU                                     */
  70    POWERPC_MMU_64B        = POWERPC_MMU_64 | 0x00000001,
  71    /* Architecture 2.03 and later (has LPCR) */
  72    POWERPC_MMU_2_03       = POWERPC_MMU_64 | 0x00000002,
  73    /* Architecture 2.06 variant                               */
  74    POWERPC_MMU_2_06       = POWERPC_MMU_64 | 0x00000003,
  75    /* Architecture 2.07 variant                               */
  76    POWERPC_MMU_2_07       = POWERPC_MMU_64 | 0x00000004,
  77    /* Architecture 3.00 variant                               */
  78    POWERPC_MMU_3_00       = POWERPC_MMU_64 | 0x00000005,
  79};
  80
  81/*****************************************************************************/
  82/* Exception model                                                           */
  83typedef enum powerpc_excp_t powerpc_excp_t;
  84enum powerpc_excp_t {
  85    POWERPC_EXCP_UNKNOWN   = 0,
  86    /* Standard PowerPC exception model */
  87    POWERPC_EXCP_STD,
  88    /* PowerPC 40x exception model      */
  89    POWERPC_EXCP_40x,
  90    /* PowerPC 601 exception model      */
  91    POWERPC_EXCP_601,
  92    /* PowerPC 602 exception model      */
  93    POWERPC_EXCP_602,
  94    /* PowerPC 603 exception model      */
  95    POWERPC_EXCP_603,
  96    /* PowerPC 603e exception model     */
  97    POWERPC_EXCP_603E,
  98    /* PowerPC G2 exception model       */
  99    POWERPC_EXCP_G2,
 100    /* PowerPC 604 exception model      */
 101    POWERPC_EXCP_604,
 102    /* PowerPC 7x0 exception model      */
 103    POWERPC_EXCP_7x0,
 104    /* PowerPC 7x5 exception model      */
 105    POWERPC_EXCP_7x5,
 106    /* PowerPC 74xx exception model     */
 107    POWERPC_EXCP_74xx,
 108    /* BookE exception model            */
 109    POWERPC_EXCP_BOOKE,
 110    /* PowerPC 970 exception model      */
 111    POWERPC_EXCP_970,
 112    /* POWER7 exception model           */
 113    POWERPC_EXCP_POWER7,
 114    /* POWER8 exception model           */
 115    POWERPC_EXCP_POWER8,
 116};
 117
 118/*****************************************************************************/
 119/* PM instructions */
 120typedef enum {
 121    PPC_PM_DOZE,
 122    PPC_PM_NAP,
 123    PPC_PM_SLEEP,
 124    PPC_PM_RVWINKLE,
 125} powerpc_pm_insn_t;
 126
 127/*****************************************************************************/
 128/* Input pins model                                                          */
 129typedef enum powerpc_input_t powerpc_input_t;
 130enum powerpc_input_t {
 131    PPC_FLAGS_INPUT_UNKNOWN = 0,
 132    /* PowerPC 6xx bus                  */
 133    PPC_FLAGS_INPUT_6xx,
 134    /* BookE bus                        */
 135    PPC_FLAGS_INPUT_BookE,
 136    /* PowerPC 405 bus                  */
 137    PPC_FLAGS_INPUT_405,
 138    /* PowerPC 970 bus                  */
 139    PPC_FLAGS_INPUT_970,
 140    /* PowerPC POWER7 bus               */
 141    PPC_FLAGS_INPUT_POWER7,
 142    /* PowerPC 401 bus                  */
 143    PPC_FLAGS_INPUT_401,
 144    /* Freescale RCPU bus               */
 145    PPC_FLAGS_INPUT_RCPU,
 146};
 147
 148typedef struct PPCHash64Options PPCHash64Options;
 149
 150/**
 151 * PowerPCCPUClass:
 152 * @parent_realize: The parent class' realize handler.
 153 * @parent_reset: The parent class' reset handler.
 154 *
 155 * A PowerPC CPU model.
 156 */
 157typedef struct PowerPCCPUClass {
 158    /*< private >*/
 159    CPUClass parent_class;
 160    /*< public >*/
 161
 162    DeviceRealize parent_realize;
 163    DeviceUnrealize parent_unrealize;
 164    void (*parent_reset)(CPUState *cpu);
 165    void (*parent_parse_features)(const char *type, char *str, Error **errp);
 166
 167    uint32_t pvr;
 168    bool (*pvr_match)(struct PowerPCCPUClass *pcc, uint32_t pvr);
 169    uint64_t pcr_mask;          /* Available bits in PCR register */
 170    uint64_t pcr_supported;     /* Bits for supported PowerISA versions */
 171    uint32_t svr;
 172    uint64_t insns_flags;
 173    uint64_t insns_flags2;
 174    uint64_t msr_mask;
 175    uint64_t lpcr_pm;           /* Power-saving mode Exit Cause Enable bits */
 176    powerpc_mmu_t   mmu_model;
 177    powerpc_excp_t  excp_model;
 178    powerpc_input_t bus_model;
 179    uint32_t flags;
 180    int bfd_mach;
 181    uint32_t l1_dcache_size, l1_icache_size;
 182    const PPCHash64Options *hash64_opts;
 183    struct ppc_radix_page_info *radix_page_info;
 184    void (*init_proc)(CPUPPCState *env);
 185    int  (*check_pow)(CPUPPCState *env);
 186    int (*handle_mmu_fault)(PowerPCCPU *cpu, vaddr eaddr, int rwx, int mmu_idx);
 187    bool (*interrupts_big_endian)(PowerPCCPU *cpu);
 188} PowerPCCPUClass;
 189
 190#ifndef CONFIG_USER_ONLY
 191typedef struct PPCTimebase {
 192    uint64_t guest_timebase;
 193    int64_t time_of_the_day_ns;
 194} PPCTimebase;
 195
 196extern const struct VMStateDescription vmstate_ppc_timebase;
 197
 198#define VMSTATE_PPC_TIMEBASE_V(_field, _state, _version) {            \
 199    .name       = (stringify(_field)),                                \
 200    .version_id = (_version),                                         \
 201    .size       = sizeof(PPCTimebase),                                \
 202    .vmsd       = &vmstate_ppc_timebase,                              \
 203    .flags      = VMS_STRUCT,                                         \
 204    .offset     = vmstate_offset_value(_state, _field, PPCTimebase),  \
 205}
 206
 207void cpu_ppc_clock_vm_state_change(void *opaque, int running,
 208                                   RunState state);
 209#endif
 210
 211#endif
 212