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 "hw/core/cpu.h"
  24 #include "qom/object.h"
  25
  26 #ifdef TARGET_PPC64
  27 #define TYPE_POWERPC_CPU "powerpc64-cpu"
  28 #else
  29 #define TYPE_POWERPC_CPU "powerpc-cpu"
  30 #endif
  31
  32 OBJECT_DECLARE_TYPE(PowerPCCPU, PowerPCCPUClass,
  33                     POWERPC_CPU)
  34
  35 typedef struct CPUPPCState CPUPPCState;
  36 typedef struct ppc_tb_t ppc_tb_t;
  37 typedef struct ppc_dcr_t ppc_dcr_t;
  38
  39 /*****************************************************************************/
  40 /* MMU model                                                                 */
  41 typedef enum powerpc_mmu_t powerpc_mmu_t;
  42 enum powerpc_mmu_t {
  43     POWERPC_MMU_UNKNOWN    = 0x00000000,
  44     /* Standard 32 bits PowerPC MMU                            */
  45     POWERPC_MMU_32B        = 0x00000001,
  46     /* PowerPC 6xx MMU with software TLB                       */
  47     POWERPC_MMU_SOFT_6xx   = 0x00000002,
  48     /*
  49      * PowerPC 74xx MMU with software TLB (this has been
  50      * disabled, see git history for more information.
  51      * keywords: tlbld tlbli TLBMISS PTEHI PTELO)
  52      */
  53     POWERPC_MMU_SOFT_74xx  = 0x00000003,
  54     /* PowerPC 4xx MMU with software TLB                       */
  55     POWERPC_MMU_SOFT_4xx   = 0x00000004,
  56     /* PowerPC MMU in real mode only                           */
  57     POWERPC_MMU_REAL       = 0x00000006,
  58     /* Freescale MPC8xx MMU model                              */
  59     POWERPC_MMU_MPC8xx     = 0x00000007,
  60     /* BookE MMU model                                         */
  61     POWERPC_MMU_BOOKE      = 0x00000008,
  62     /* BookE 2.06 MMU model                                    */
  63     POWERPC_MMU_BOOKE206   = 0x00000009,
  64 #define POWERPC_MMU_64       0x00010000
  65     /* 64 bits PowerPC MMU                                     */
  66     POWERPC_MMU_64B        = POWERPC_MMU_64 | 0x00000001,
  67     /* Architecture 2.03 and later (has LPCR) */
  68     POWERPC_MMU_2_03       = POWERPC_MMU_64 | 0x00000002,
  69     /* Architecture 2.06 variant                               */
  70     POWERPC_MMU_2_06       = POWERPC_MMU_64 | 0x00000003,
  71     /* Architecture 2.07 variant                               */
  72     POWERPC_MMU_2_07       = POWERPC_MMU_64 | 0x00000004,
  73     /* Architecture 3.00 variant                               */
  74     POWERPC_MMU_3_00       = POWERPC_MMU_64 | 0x00000005,
  75 };
  76
  77 static inline bool mmu_is_64bit(powerpc_mmu_t mmu_model)
  78 {
  79     return mmu_model & POWERPC_MMU_64;
  80 }
  81
  82 /*****************************************************************************/
  83 /* Exception model                                                           */
  84 typedef enum powerpc_excp_t powerpc_excp_t;
  85 enum powerpc_excp_t {
  86     POWERPC_EXCP_UNKNOWN   = 0,
  87     /* Standard PowerPC exception model */
  88     POWERPC_EXCP_STD,
  89     /* PowerPC 40x exception model      */
  90     POWERPC_EXCP_40x,
  91     /* PowerPC 603/604/G2 exception model */
  92     POWERPC_EXCP_6xx,
  93     /* PowerPC 7xx exception model      */
  94     POWERPC_EXCP_7xx,
  95     /* PowerPC 74xx exception model     */
  96     POWERPC_EXCP_74xx,
  97     /* BookE exception model            */
  98     POWERPC_EXCP_BOOKE,
  99     /* PowerPC 970 exception model      */
 100     POWERPC_EXCP_970,
 101     /* POWER7 exception model           */
 102     POWERPC_EXCP_POWER7,
 103     /* POWER8 exception model           */
 104     POWERPC_EXCP_POWER8,
 105     /* POWER9 exception model           */
 106     POWERPC_EXCP_POWER9,
 107     /* POWER10 exception model           */
 108     POWERPC_EXCP_POWER10,
 109 };
 110
 111 /*****************************************************************************/
 112 /* PM instructions */
 113 typedef enum {
 114     PPC_PM_DOZE,
 115     PPC_PM_NAP,
 116     PPC_PM_SLEEP,
 117     PPC_PM_RVWINKLE,
 118     PPC_PM_STOP,
 119 } powerpc_pm_insn_t;
 120
 121 /*****************************************************************************/
 122 /* Input pins model                                                          */
 123 typedef enum powerpc_input_t powerpc_input_t;
 124 enum powerpc_input_t {
 125     PPC_FLAGS_INPUT_UNKNOWN = 0,
 126     /* PowerPC 6xx bus                  */
 127     PPC_FLAGS_INPUT_6xx,
 128     /* BookE bus                        */
 129     PPC_FLAGS_INPUT_BookE,
 130     /* PowerPC 405 bus                  */
 131     PPC_FLAGS_INPUT_405,
 132     /* PowerPC 970 bus                  */
 133     PPC_FLAGS_INPUT_970,
 134     /* PowerPC POWER7 bus               */
 135     PPC_FLAGS_INPUT_POWER7,
 136     /* PowerPC POWER9 bus               */
 137     PPC_FLAGS_INPUT_POWER9,
 138     /* Freescale RCPU bus               */
 139     PPC_FLAGS_INPUT_RCPU,
 140 };
 141
 142 typedef struct PPCHash64Options PPCHash64Options;
 143
 144 /**
 145  * PowerPCCPUClass:
 146  * @parent_realize: The parent class' realize handler.
 147  * @parent_reset: The parent class' reset handler.
 148  *
 149  * A PowerPC CPU model.
 150  */
 151 struct PowerPCCPUClass {
 152     /*< private >*/
 153     CPUClass parent_class;
 154     /*< public >*/
 155
 156     DeviceRealize parent_realize;
 157     DeviceUnrealize parent_unrealize;
 158     DeviceReset parent_reset;
 159     void (*parent_parse_features)(const char *type, char *str, Error **errp);
 160
 161     uint32_t pvr;
 162     bool (*pvr_match)(struct PowerPCCPUClass *pcc, uint32_t pvr);
 163     uint64_t pcr_mask;          /* Available bits in PCR register */
 164     uint64_t pcr_supported;     /* Bits for supported PowerISA versions */
 165     uint32_t svr;
 166     uint64_t insns_flags;
 167     uint64_t insns_flags2;
 168     uint64_t msr_mask;
 169     uint64_t lpcr_mask;         /* Available bits in the LPCR */
 170     uint64_t lpcr_pm;           /* Power-saving mode Exit Cause Enable bits */
 171     powerpc_mmu_t   mmu_model;
 172     powerpc_excp_t  excp_model;
 173     powerpc_input_t bus_model;
 174     uint32_t flags;
 175     int bfd_mach;
 176     uint32_t l1_dcache_size, l1_icache_size;
 177 #ifndef CONFIG_USER_ONLY
 178     unsigned int gdb_num_sprs;
 179     const char *gdb_spr_xml;
 180 #endif
 181     const PPCHash64Options *hash64_opts;
 182     struct ppc_radix_page_info *radix_page_info;
 183     uint32_t lrg_decr_bits;
 184     int n_host_threads;
 185     void (*init_proc)(CPUPPCState *env);
 186     int  (*check_pow)(CPUPPCState *env);
 187 };
 188
 189 #ifndef CONFIG_USER_ONLY
 190 typedef struct PPCTimebase {
 191     uint64_t guest_timebase;
 192     int64_t time_of_the_day_ns;
 193     bool runstate_paused;
 194 } PPCTimebase;
 195
 196 extern const 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
 207 void cpu_ppc_clock_vm_state_change(void *opaque, bool running,
 208                                    RunState state);
 209 #endif
 210
 211 #endif