xref: /qemu/target/ppc/cpu-qom.h (revision b58deb344ddff3b9d8b265bf73a65274767ee5f4)
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  
38  typedef struct PowerPCCPU PowerPCCPU;
39  typedef struct CPUPPCState CPUPPCState;
40  typedef struct ppc_tb_t ppc_tb_t;
41  typedef struct ppc_dcr_t ppc_dcr_t;
42  
43  /*****************************************************************************/
44  /* MMU model                                                                 */
45  typedef enum powerpc_mmu_t powerpc_mmu_t;
46  enum 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                                                           */
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 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 */
120  typedef 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                                                          */
129  typedef enum powerpc_input_t powerpc_input_t;
130  enum 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  
148  typedef 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   */
157  typedef 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
191  typedef struct PPCTimebase {
192      uint64_t guest_timebase;
193      int64_t time_of_the_day_ns;
194  } PPCTimebase;
195  
196  extern 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  
207  void cpu_ppc_clock_vm_state_change(void *opaque, int running,
208                                     RunState state);
209  #endif
210  
211  #endif
212