xref: /qemu/target/ppc/cpu-qom.h (revision 8110fa1d)
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 typedef struct PowerPCCPU PowerPCCPU;
33 typedef struct PowerPCCPUClass PowerPCCPUClass;
34 DECLARE_OBJ_CHECKERS(PowerPCCPU, PowerPCCPUClass,
35                      POWERPC_CPU, TYPE_POWERPC_CPU)
36 
37 typedef struct CPUPPCState CPUPPCState;
38 typedef struct ppc_tb_t ppc_tb_t;
39 typedef struct ppc_dcr_t ppc_dcr_t;
40 
41 /*****************************************************************************/
42 /* MMU model                                                                 */
43 typedef enum powerpc_mmu_t powerpc_mmu_t;
44 enum powerpc_mmu_t {
45     POWERPC_MMU_UNKNOWN    = 0x00000000,
46     /* Standard 32 bits PowerPC MMU                            */
47     POWERPC_MMU_32B        = 0x00000001,
48     /* PowerPC 6xx MMU with software TLB                       */
49     POWERPC_MMU_SOFT_6xx   = 0x00000002,
50     /* PowerPC 74xx MMU with software TLB                      */
51     POWERPC_MMU_SOFT_74xx  = 0x00000003,
52     /* PowerPC 4xx MMU with software TLB                       */
53     POWERPC_MMU_SOFT_4xx   = 0x00000004,
54     /* PowerPC 4xx MMU with software TLB and zones protections */
55     POWERPC_MMU_SOFT_4xx_Z = 0x00000005,
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     /* PowerPC 601 MMU model (specific BATs format)            */
65     POWERPC_MMU_601        = 0x0000000A,
66 #define POWERPC_MMU_64       0x00010000
67     /* 64 bits PowerPC MMU                                     */
68     POWERPC_MMU_64B        = POWERPC_MMU_64 | 0x00000001,
69     /* Architecture 2.03 and later (has LPCR) */
70     POWERPC_MMU_2_03       = POWERPC_MMU_64 | 0x00000002,
71     /* Architecture 2.06 variant                               */
72     POWERPC_MMU_2_06       = POWERPC_MMU_64 | 0x00000003,
73     /* Architecture 2.07 variant                               */
74     POWERPC_MMU_2_07       = POWERPC_MMU_64 | 0x00000004,
75     /* Architecture 3.00 variant                               */
76     POWERPC_MMU_3_00       = POWERPC_MMU_64 | 0x00000005,
77 };
78 
79 /*****************************************************************************/
80 /* Exception model                                                           */
81 typedef enum powerpc_excp_t powerpc_excp_t;
82 enum powerpc_excp_t {
83     POWERPC_EXCP_UNKNOWN   = 0,
84     /* Standard PowerPC exception model */
85     POWERPC_EXCP_STD,
86     /* PowerPC 40x exception model      */
87     POWERPC_EXCP_40x,
88     /* PowerPC 601 exception model      */
89     POWERPC_EXCP_601,
90     /* PowerPC 602 exception model      */
91     POWERPC_EXCP_602,
92     /* PowerPC 603 exception model      */
93     POWERPC_EXCP_603,
94     /* PowerPC 603e exception model     */
95     POWERPC_EXCP_603E,
96     /* PowerPC G2 exception model       */
97     POWERPC_EXCP_G2,
98     /* PowerPC 604 exception model      */
99     POWERPC_EXCP_604,
100     /* PowerPC 7x0 exception model      */
101     POWERPC_EXCP_7x0,
102     /* PowerPC 7x5 exception model      */
103     POWERPC_EXCP_7x5,
104     /* PowerPC 74xx exception model     */
105     POWERPC_EXCP_74xx,
106     /* BookE exception model            */
107     POWERPC_EXCP_BOOKE,
108     /* PowerPC 970 exception model      */
109     POWERPC_EXCP_970,
110     /* POWER7 exception model           */
111     POWERPC_EXCP_POWER7,
112     /* POWER8 exception model           */
113     POWERPC_EXCP_POWER8,
114     /* POWER9 exception model           */
115     POWERPC_EXCP_POWER9,
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     PPC_PM_STOP,
126 } powerpc_pm_insn_t;
127 
128 /*****************************************************************************/
129 /* Input pins model                                                          */
130 typedef enum powerpc_input_t powerpc_input_t;
131 enum powerpc_input_t {
132     PPC_FLAGS_INPUT_UNKNOWN = 0,
133     /* PowerPC 6xx bus                  */
134     PPC_FLAGS_INPUT_6xx,
135     /* BookE bus                        */
136     PPC_FLAGS_INPUT_BookE,
137     /* PowerPC 405 bus                  */
138     PPC_FLAGS_INPUT_405,
139     /* PowerPC 970 bus                  */
140     PPC_FLAGS_INPUT_970,
141     /* PowerPC POWER7 bus               */
142     PPC_FLAGS_INPUT_POWER7,
143     /* PowerPC POWER9 bus               */
144     PPC_FLAGS_INPUT_POWER9,
145     /* PowerPC 401 bus                  */
146     PPC_FLAGS_INPUT_401,
147     /* Freescale RCPU bus               */
148     PPC_FLAGS_INPUT_RCPU,
149 };
150 
151 typedef struct PPCHash64Options PPCHash64Options;
152 
153 /**
154  * PowerPCCPUClass:
155  * @parent_realize: The parent class' realize handler.
156  * @parent_reset: The parent class' reset handler.
157  *
158  * A PowerPC CPU model.
159  */
160 struct PowerPCCPUClass {
161     /*< private >*/
162     CPUClass parent_class;
163     /*< public >*/
164 
165     DeviceRealize parent_realize;
166     DeviceUnrealize parent_unrealize;
167     DeviceReset parent_reset;
168     void (*parent_parse_features)(const char *type, char *str, Error **errp);
169 
170     uint32_t pvr;
171     bool (*pvr_match)(struct PowerPCCPUClass *pcc, uint32_t pvr);
172     uint64_t pcr_mask;          /* Available bits in PCR register */
173     uint64_t pcr_supported;     /* Bits for supported PowerISA versions */
174     uint32_t svr;
175     uint64_t insns_flags;
176     uint64_t insns_flags2;
177     uint64_t msr_mask;
178     uint64_t lpcr_mask;         /* Available bits in the LPCR */
179     uint64_t lpcr_pm;           /* Power-saving mode Exit Cause Enable bits */
180     powerpc_mmu_t   mmu_model;
181     powerpc_excp_t  excp_model;
182     powerpc_input_t bus_model;
183     uint32_t flags;
184     int bfd_mach;
185     uint32_t l1_dcache_size, l1_icache_size;
186 #ifndef CONFIG_USER_ONLY
187     unsigned int gdb_num_sprs;
188     const char *gdb_spr_xml;
189 #endif
190     const PPCHash64Options *hash64_opts;
191     struct ppc_radix_page_info *radix_page_info;
192     uint32_t lrg_decr_bits;
193     int n_host_threads;
194     void (*init_proc)(CPUPPCState *env);
195     int  (*check_pow)(CPUPPCState *env);
196     int (*handle_mmu_fault)(PowerPCCPU *cpu, vaddr eaddr, int rwx, int mmu_idx);
197     bool (*interrupts_big_endian)(PowerPCCPU *cpu);
198 };
199 
200 #ifndef CONFIG_USER_ONLY
201 typedef struct PPCTimebase {
202     uint64_t guest_timebase;
203     int64_t time_of_the_day_ns;
204     bool runstate_paused;
205 } PPCTimebase;
206 
207 extern const VMStateDescription vmstate_ppc_timebase;
208 
209 #define VMSTATE_PPC_TIMEBASE_V(_field, _state, _version) {            \
210     .name       = (stringify(_field)),                                \
211     .version_id = (_version),                                         \
212     .size       = sizeof(PPCTimebase),                                \
213     .vmsd       = &vmstate_ppc_timebase,                              \
214     .flags      = VMS_STRUCT,                                         \
215     .offset     = vmstate_offset_value(_state, _field, PPCTimebase),  \
216 }
217 
218 void cpu_ppc_clock_vm_state_change(void *opaque, int running,
219                                    RunState state);
220 #endif
221 
222 #endif
223