xref: /openbmc/qemu/target/ppc/cpu-qom.h (revision 7f6c3d1a)
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     /* PowerPC 74xx MMU with software TLB                      */
49     POWERPC_MMU_SOFT_74xx  = 0x00000003,
50     /* PowerPC 4xx MMU with software TLB                       */
51     POWERPC_MMU_SOFT_4xx   = 0x00000004,
52     /* PowerPC 4xx MMU with software TLB and zones protections */
53     POWERPC_MMU_SOFT_4xx_Z = 0x00000005,
54     /* PowerPC MMU in real mode only                           */
55     POWERPC_MMU_REAL       = 0x00000006,
56     /* Freescale MPC8xx MMU model                              */
57     POWERPC_MMU_MPC8xx     = 0x00000007,
58     /* BookE MMU model                                         */
59     POWERPC_MMU_BOOKE      = 0x00000008,
60     /* BookE 2.06 MMU model                                    */
61     POWERPC_MMU_BOOKE206   = 0x00000009,
62     /* PowerPC 601 MMU model (specific BATs format)            */
63     POWERPC_MMU_601        = 0x0000000A,
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 /*****************************************************************************/
78 /* Exception model                                                           */
79 typedef enum powerpc_excp_t powerpc_excp_t;
80 enum powerpc_excp_t {
81     POWERPC_EXCP_UNKNOWN   = 0,
82     /* Standard PowerPC exception model */
83     POWERPC_EXCP_STD,
84     /* PowerPC 40x exception model      */
85     POWERPC_EXCP_40x,
86     /* PowerPC 601 exception model      */
87     POWERPC_EXCP_601,
88     /* PowerPC 602 exception model      */
89     POWERPC_EXCP_602,
90     /* PowerPC 603 exception model      */
91     POWERPC_EXCP_603,
92     /* PowerPC 603e exception model     */
93     POWERPC_EXCP_603E,
94     /* PowerPC G2 exception model       */
95     POWERPC_EXCP_G2,
96     /* PowerPC 604 exception model      */
97     POWERPC_EXCP_604,
98     /* PowerPC 7x0 exception model      */
99     POWERPC_EXCP_7x0,
100     /* PowerPC 7x5 exception model      */
101     POWERPC_EXCP_7x5,
102     /* PowerPC 74xx exception model     */
103     POWERPC_EXCP_74xx,
104     /* BookE exception model            */
105     POWERPC_EXCP_BOOKE,
106     /* PowerPC 970 exception model      */
107     POWERPC_EXCP_970,
108     /* POWER7 exception model           */
109     POWERPC_EXCP_POWER7,
110     /* POWER8 exception model           */
111     POWERPC_EXCP_POWER8,
112     /* POWER9 exception model           */
113     POWERPC_EXCP_POWER9,
114 };
115 
116 /*****************************************************************************/
117 /* PM instructions */
118 typedef enum {
119     PPC_PM_DOZE,
120     PPC_PM_NAP,
121     PPC_PM_SLEEP,
122     PPC_PM_RVWINKLE,
123     PPC_PM_STOP,
124 } powerpc_pm_insn_t;
125 
126 /*****************************************************************************/
127 /* Input pins model                                                          */
128 typedef enum powerpc_input_t powerpc_input_t;
129 enum powerpc_input_t {
130     PPC_FLAGS_INPUT_UNKNOWN = 0,
131     /* PowerPC 6xx bus                  */
132     PPC_FLAGS_INPUT_6xx,
133     /* BookE bus                        */
134     PPC_FLAGS_INPUT_BookE,
135     /* PowerPC 405 bus                  */
136     PPC_FLAGS_INPUT_405,
137     /* PowerPC 970 bus                  */
138     PPC_FLAGS_INPUT_970,
139     /* PowerPC POWER7 bus               */
140     PPC_FLAGS_INPUT_POWER7,
141     /* PowerPC POWER9 bus               */
142     PPC_FLAGS_INPUT_POWER9,
143     /* PowerPC 401 bus                  */
144     PPC_FLAGS_INPUT_401,
145     /* Freescale RCPU bus               */
146     PPC_FLAGS_INPUT_RCPU,
147 };
148 
149 typedef struct PPCHash64Options PPCHash64Options;
150 
151 /**
152  * PowerPCCPUClass:
153  * @parent_realize: The parent class' realize handler.
154  * @parent_reset: The parent class' reset handler.
155  *
156  * A PowerPC CPU model.
157  */
158 struct PowerPCCPUClass {
159     /*< private >*/
160     CPUClass parent_class;
161     /*< public >*/
162 
163     DeviceRealize parent_realize;
164     DeviceUnrealize parent_unrealize;
165     DeviceReset parent_reset;
166     void (*parent_parse_features)(const char *type, char *str, Error **errp);
167 
168     uint32_t pvr;
169     bool (*pvr_match)(struct PowerPCCPUClass *pcc, uint32_t pvr);
170     uint64_t pcr_mask;          /* Available bits in PCR register */
171     uint64_t pcr_supported;     /* Bits for supported PowerISA versions */
172     uint32_t svr;
173     uint64_t insns_flags;
174     uint64_t insns_flags2;
175     uint64_t msr_mask;
176     uint64_t lpcr_mask;         /* Available bits in the LPCR */
177     uint64_t lpcr_pm;           /* Power-saving mode Exit Cause Enable bits */
178     powerpc_mmu_t   mmu_model;
179     powerpc_excp_t  excp_model;
180     powerpc_input_t bus_model;
181     uint32_t flags;
182     int bfd_mach;
183     uint32_t l1_dcache_size, l1_icache_size;
184 #ifndef CONFIG_USER_ONLY
185     unsigned int gdb_num_sprs;
186     const char *gdb_spr_xml;
187 #endif
188     const PPCHash64Options *hash64_opts;
189     struct ppc_radix_page_info *radix_page_info;
190     uint32_t lrg_decr_bits;
191     int n_host_threads;
192     void (*init_proc)(CPUPPCState *env);
193     int  (*check_pow)(CPUPPCState *env);
194     int (*handle_mmu_fault)(PowerPCCPU *cpu, vaddr eaddr, int rwx, int mmu_idx);
195     bool (*interrupts_big_endian)(PowerPCCPU *cpu);
196 };
197 
198 #ifndef CONFIG_USER_ONLY
199 typedef struct PPCTimebase {
200     uint64_t guest_timebase;
201     int64_t time_of_the_day_ns;
202     bool runstate_paused;
203 } PPCTimebase;
204 
205 extern const VMStateDescription vmstate_ppc_timebase;
206 
207 #define VMSTATE_PPC_TIMEBASE_V(_field, _state, _version) {            \
208     .name       = (stringify(_field)),                                \
209     .version_id = (_version),                                         \
210     .size       = sizeof(PPCTimebase),                                \
211     .vmsd       = &vmstate_ppc_timebase,                              \
212     .flags      = VMS_STRUCT,                                         \
213     .offset     = vmstate_offset_value(_state, _field, PPCTimebase),  \
214 }
215 
216 void cpu_ppc_clock_vm_state_change(void *opaque, int running,
217                                    RunState state);
218 #endif
219 
220 #endif
221