xref: /openbmc/qemu/target/ppc/cpu-qom.h (revision 2fc979cb)
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 
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     /* POWER9 exception model           */
117     POWERPC_EXCP_POWER9,
118 };
119 
120 /*****************************************************************************/
121 /* PM instructions */
122 typedef enum {
123     PPC_PM_DOZE,
124     PPC_PM_NAP,
125     PPC_PM_SLEEP,
126     PPC_PM_RVWINKLE,
127     PPC_PM_STOP,
128 } powerpc_pm_insn_t;
129 
130 /*****************************************************************************/
131 /* Input pins model                                                          */
132 typedef enum powerpc_input_t powerpc_input_t;
133 enum powerpc_input_t {
134     PPC_FLAGS_INPUT_UNKNOWN = 0,
135     /* PowerPC 6xx bus                  */
136     PPC_FLAGS_INPUT_6xx,
137     /* BookE bus                        */
138     PPC_FLAGS_INPUT_BookE,
139     /* PowerPC 405 bus                  */
140     PPC_FLAGS_INPUT_405,
141     /* PowerPC 970 bus                  */
142     PPC_FLAGS_INPUT_970,
143     /* PowerPC POWER7 bus               */
144     PPC_FLAGS_INPUT_POWER7,
145     /* PowerPC POWER9 bus               */
146     PPC_FLAGS_INPUT_POWER9,
147     /* PowerPC 401 bus                  */
148     PPC_FLAGS_INPUT_401,
149     /* Freescale RCPU bus               */
150     PPC_FLAGS_INPUT_RCPU,
151 };
152 
153 typedef struct PPCHash64Options PPCHash64Options;
154 
155 /**
156  * PowerPCCPUClass:
157  * @parent_realize: The parent class' realize handler.
158  * @parent_reset: The parent class' reset handler.
159  *
160  * A PowerPC CPU model.
161  */
162 typedef struct PowerPCCPUClass {
163     /*< private >*/
164     CPUClass parent_class;
165     /*< public >*/
166 
167     DeviceRealize parent_realize;
168     DeviceUnrealize parent_unrealize;
169     DeviceReset parent_reset;
170     void (*parent_parse_features)(const char *type, char *str, Error **errp);
171 
172     uint32_t pvr;
173     bool (*pvr_match)(struct PowerPCCPUClass *pcc, uint32_t pvr);
174     uint64_t pcr_mask;          /* Available bits in PCR register */
175     uint64_t pcr_supported;     /* Bits for supported PowerISA versions */
176     uint32_t svr;
177     uint64_t insns_flags;
178     uint64_t insns_flags2;
179     uint64_t msr_mask;
180     uint64_t lpcr_mask;         /* Available bits in the LPCR */
181     uint64_t lpcr_pm;           /* Power-saving mode Exit Cause Enable bits */
182     powerpc_mmu_t   mmu_model;
183     powerpc_excp_t  excp_model;
184     powerpc_input_t bus_model;
185     uint32_t flags;
186     int bfd_mach;
187     uint32_t l1_dcache_size, l1_icache_size;
188 #ifndef CONFIG_USER_ONLY
189     unsigned int gdb_num_sprs;
190     const char *gdb_spr_xml;
191 #endif
192     const PPCHash64Options *hash64_opts;
193     struct ppc_radix_page_info *radix_page_info;
194     uint32_t lrg_decr_bits;
195     int n_host_threads;
196     void (*init_proc)(CPUPPCState *env);
197     int  (*check_pow)(CPUPPCState *env);
198     int (*handle_mmu_fault)(PowerPCCPU *cpu, vaddr eaddr, int rwx, int mmu_idx);
199     bool (*interrupts_big_endian)(PowerPCCPU *cpu);
200 } PowerPCCPUClass;
201 
202 #ifndef CONFIG_USER_ONLY
203 typedef struct PPCTimebase {
204     uint64_t guest_timebase;
205     int64_t time_of_the_day_ns;
206     bool runstate_paused;
207 } PPCTimebase;
208 
209 extern const VMStateDescription vmstate_ppc_timebase;
210 
211 #define VMSTATE_PPC_TIMEBASE_V(_field, _state, _version) {            \
212     .name       = (stringify(_field)),                                \
213     .version_id = (_version),                                         \
214     .size       = sizeof(PPCTimebase),                                \
215     .vmsd       = &vmstate_ppc_timebase,                              \
216     .flags      = VMS_STRUCT,                                         \
217     .offset     = vmstate_offset_value(_state, _field, PPCTimebase),  \
218 }
219 
220 void cpu_ppc_clock_vm_state_change(void *opaque, int running,
221                                    RunState state);
222 #endif
223 
224 #endif
225