qemu

FORK: QEMU emulator
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cpu-qom.h (7573B)


      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_CPU_TYPE(PowerPCCPU, PowerPCCPUClass, POWERPC_CPU)
     33 
     34 typedef struct CPUArchState CPUPPCState;
     35 typedef struct ppc_tb_t ppc_tb_t;
     36 typedef struct ppc_dcr_t ppc_dcr_t;
     37 
     38 /*****************************************************************************/
     39 /* MMU model                                                                 */
     40 typedef enum powerpc_mmu_t powerpc_mmu_t;
     41 enum powerpc_mmu_t {
     42     POWERPC_MMU_UNKNOWN    = 0x00000000,
     43     /* Standard 32 bits PowerPC MMU                            */
     44     POWERPC_MMU_32B        = 0x00000001,
     45     /* PowerPC 6xx MMU with software TLB                       */
     46     POWERPC_MMU_SOFT_6xx   = 0x00000002,
     47     /*
     48      * PowerPC 74xx MMU with software TLB (this has been
     49      * disabled, see git history for more information.
     50      * keywords: tlbld tlbli TLBMISS PTEHI PTELO)
     51      */
     52     POWERPC_MMU_SOFT_74xx  = 0x00000003,
     53     /* PowerPC 4xx MMU with software TLB                       */
     54     POWERPC_MMU_SOFT_4xx   = 0x00000004,
     55     /* PowerPC MMU in real mode only                           */
     56     POWERPC_MMU_REAL       = 0x00000006,
     57     /* Freescale MPC8xx MMU model                              */
     58     POWERPC_MMU_MPC8xx     = 0x00000007,
     59     /* BookE MMU model                                         */
     60     POWERPC_MMU_BOOKE      = 0x00000008,
     61     /* BookE 2.06 MMU model                                    */
     62     POWERPC_MMU_BOOKE206   = 0x00000009,
     63 #define POWERPC_MMU_64       0x00010000
     64     /* 64 bits PowerPC MMU                                     */
     65     POWERPC_MMU_64B        = POWERPC_MMU_64 | 0x00000001,
     66     /* Architecture 2.03 and later (has LPCR) */
     67     POWERPC_MMU_2_03       = POWERPC_MMU_64 | 0x00000002,
     68     /* Architecture 2.06 variant                               */
     69     POWERPC_MMU_2_06       = POWERPC_MMU_64 | 0x00000003,
     70     /* Architecture 2.07 variant                               */
     71     POWERPC_MMU_2_07       = POWERPC_MMU_64 | 0x00000004,
     72     /* Architecture 3.00 variant                               */
     73     POWERPC_MMU_3_00       = POWERPC_MMU_64 | 0x00000005,
     74 };
     75 
     76 static inline bool mmu_is_64bit(powerpc_mmu_t mmu_model)
     77 {
     78     return mmu_model & POWERPC_MMU_64;
     79 }
     80 
     81 /*****************************************************************************/
     82 /* Exception model                                                           */
     83 typedef enum powerpc_excp_t powerpc_excp_t;
     84 enum 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 603/604/G2 exception model */
     91     POWERPC_EXCP_6xx,
     92     /* PowerPC 7xx exception model      */
     93     POWERPC_EXCP_7xx,
     94     /* PowerPC 74xx exception model     */
     95     POWERPC_EXCP_74xx,
     96     /* BookE exception model            */
     97     POWERPC_EXCP_BOOKE,
     98     /* PowerPC 970 exception model      */
     99     POWERPC_EXCP_970,
    100     /* POWER7 exception model           */
    101     POWERPC_EXCP_POWER7,
    102     /* POWER8 exception model           */
    103     POWERPC_EXCP_POWER8,
    104     /* POWER9 exception model           */
    105     POWERPC_EXCP_POWER9,
    106     /* POWER10 exception model           */
    107     POWERPC_EXCP_POWER10,
    108 };
    109 
    110 /*****************************************************************************/
    111 /* PM instructions */
    112 typedef enum {
    113     PPC_PM_DOZE,
    114     PPC_PM_NAP,
    115     PPC_PM_SLEEP,
    116     PPC_PM_RVWINKLE,
    117     PPC_PM_STOP,
    118 } powerpc_pm_insn_t;
    119 
    120 /*****************************************************************************/
    121 /* Input pins model                                                          */
    122 typedef enum powerpc_input_t powerpc_input_t;
    123 enum powerpc_input_t {
    124     PPC_FLAGS_INPUT_UNKNOWN = 0,
    125     /* PowerPC 6xx bus                  */
    126     PPC_FLAGS_INPUT_6xx,
    127     /* BookE bus                        */
    128     PPC_FLAGS_INPUT_BookE,
    129     /* PowerPC 405 bus                  */
    130     PPC_FLAGS_INPUT_405,
    131     /* PowerPC 970 bus                  */
    132     PPC_FLAGS_INPUT_970,
    133     /* PowerPC POWER7 bus               */
    134     PPC_FLAGS_INPUT_POWER7,
    135     /* PowerPC POWER9 bus               */
    136     PPC_FLAGS_INPUT_POWER9,
    137     /* Freescale RCPU bus               */
    138     PPC_FLAGS_INPUT_RCPU,
    139 };
    140 
    141 typedef struct PPCHash64Options PPCHash64Options;
    142 
    143 /**
    144  * PowerPCCPUClass:
    145  * @parent_realize: The parent class' realize handler.
    146  * @parent_reset: The parent class' reset handler.
    147  *
    148  * A PowerPC CPU model.
    149  */
    150 struct PowerPCCPUClass {
    151     /*< private >*/
    152     CPUClass parent_class;
    153     /*< public >*/
    154 
    155     DeviceRealize parent_realize;
    156     DeviceUnrealize parent_unrealize;
    157     DeviceReset parent_reset;
    158     void (*parent_parse_features)(const char *type, char *str, Error **errp);
    159 
    160     uint32_t pvr;
    161     /*
    162      * If @best is false, match if pcc is in the family of pvr
    163      * Else match only if pcc is the best match for pvr in this family.
    164      */
    165     bool (*pvr_match)(struct PowerPCCPUClass *pcc, uint32_t pvr, bool best);
    166     uint64_t pcr_mask;          /* Available bits in PCR register */
    167     uint64_t pcr_supported;     /* Bits for supported PowerISA versions */
    168     uint32_t svr;
    169     uint64_t insns_flags;
    170     uint64_t insns_flags2;
    171     uint64_t msr_mask;
    172     uint64_t lpcr_mask;         /* Available bits in the LPCR */
    173     uint64_t lpcr_pm;           /* Power-saving mode Exit Cause Enable bits */
    174     powerpc_mmu_t   mmu_model;
    175     powerpc_excp_t  excp_model;
    176     powerpc_input_t bus_model;
    177     uint32_t flags;
    178     int bfd_mach;
    179     uint32_t l1_dcache_size, l1_icache_size;
    180 #ifndef CONFIG_USER_ONLY
    181     unsigned int gdb_num_sprs;
    182     const char *gdb_spr_xml;
    183 #endif
    184     const PPCHash64Options *hash64_opts;
    185     struct ppc_radix_page_info *radix_page_info;
    186     uint32_t lrg_decr_bits;
    187     int n_host_threads;
    188     void (*init_proc)(CPUPPCState *env);
    189     int  (*check_pow)(CPUPPCState *env);
    190 };
    191 
    192 #ifndef CONFIG_USER_ONLY
    193 typedef struct PPCTimebase {
    194     uint64_t guest_timebase;
    195     int64_t time_of_the_day_ns;
    196     bool runstate_paused;
    197 } PPCTimebase;
    198 
    199 extern const VMStateDescription vmstate_ppc_timebase;
    200 
    201 #define VMSTATE_PPC_TIMEBASE_V(_field, _state, _version) {            \
    202     .name       = (stringify(_field)),                                \
    203     .version_id = (_version),                                         \
    204     .size       = sizeof(PPCTimebase),                                \
    205     .vmsd       = &vmstate_ppc_timebase,                              \
    206     .flags      = VMS_STRUCT,                                         \
    207     .offset     = vmstate_offset_value(_state, _field, PPCTimebase),  \
    208 }
    209 
    210 void cpu_ppc_clock_vm_state_change(void *opaque, bool running,
    211                                    RunState state);
    212 #endif
    213 
    214 #endif