xref: /openbmc/qemu/target/ppc/cpu-qom.h (revision 429d3ae2)
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 #elif defined(TARGET_PPCEMB)
28 #define TYPE_POWERPC_CPU "embedded-powerpc-cpu"
29 #else
30 #define TYPE_POWERPC_CPU "powerpc-cpu"
31 #endif
32 
33 #define POWERPC_CPU_CLASS(klass) \
34     OBJECT_CLASS_CHECK(PowerPCCPUClass, (klass), TYPE_POWERPC_CPU)
35 #define POWERPC_CPU(obj) \
36     OBJECT_CHECK(PowerPCCPU, (obj), TYPE_POWERPC_CPU)
37 #define POWERPC_CPU_GET_CLASS(obj) \
38     OBJECT_GET_CLASS(PowerPCCPUClass, (obj), TYPE_POWERPC_CPU)
39 
40 typedef struct PowerPCCPU PowerPCCPU;
41 typedef struct CPUPPCState CPUPPCState;
42 typedef struct ppc_tb_t ppc_tb_t;
43 typedef struct ppc_dcr_t ppc_dcr_t;
44 
45 /*****************************************************************************/
46 /* MMU model                                                                 */
47 typedef enum powerpc_mmu_t powerpc_mmu_t;
48 enum powerpc_mmu_t {
49     POWERPC_MMU_UNKNOWN    = 0x00000000,
50     /* Standard 32 bits PowerPC MMU                            */
51     POWERPC_MMU_32B        = 0x00000001,
52     /* PowerPC 6xx MMU with software TLB                       */
53     POWERPC_MMU_SOFT_6xx   = 0x00000002,
54     /* PowerPC 74xx MMU with software TLB                      */
55     POWERPC_MMU_SOFT_74xx  = 0x00000003,
56     /* PowerPC 4xx MMU with software TLB                       */
57     POWERPC_MMU_SOFT_4xx   = 0x00000004,
58     /* PowerPC 4xx MMU with software TLB and zones protections */
59     POWERPC_MMU_SOFT_4xx_Z = 0x00000005,
60     /* PowerPC MMU in real mode only                           */
61     POWERPC_MMU_REAL       = 0x00000006,
62     /* Freescale MPC8xx MMU model                              */
63     POWERPC_MMU_MPC8xx     = 0x00000007,
64     /* BookE MMU model                                         */
65     POWERPC_MMU_BOOKE      = 0x00000008,
66     /* BookE 2.06 MMU model                                    */
67     POWERPC_MMU_BOOKE206   = 0x00000009,
68     /* PowerPC 601 MMU model (specific BATs format)            */
69     POWERPC_MMU_601        = 0x0000000A,
70 #define POWERPC_MMU_64       0x00010000
71     /* 64 bits PowerPC MMU                                     */
72     POWERPC_MMU_64B        = POWERPC_MMU_64 | 0x00000001,
73     /* Architecture 2.03 and later (has LPCR) */
74     POWERPC_MMU_2_03       = POWERPC_MMU_64 | 0x00000002,
75     /* Architecture 2.06 variant                               */
76     POWERPC_MMU_2_06       = POWERPC_MMU_64 | 0x00000003,
77     /* Architecture 2.07 variant                               */
78     POWERPC_MMU_2_07       = POWERPC_MMU_64 | 0x00000004,
79     /* Architecture 3.00 variant                               */
80     POWERPC_MMU_3_00       = POWERPC_MMU_64 | 0x00000005,
81 };
82 
83 /*****************************************************************************/
84 /* Exception model                                                           */
85 typedef enum powerpc_excp_t powerpc_excp_t;
86 enum powerpc_excp_t {
87     POWERPC_EXCP_UNKNOWN   = 0,
88     /* Standard PowerPC exception model */
89     POWERPC_EXCP_STD,
90     /* PowerPC 40x exception model      */
91     POWERPC_EXCP_40x,
92     /* PowerPC 601 exception model      */
93     POWERPC_EXCP_601,
94     /* PowerPC 602 exception model      */
95     POWERPC_EXCP_602,
96     /* PowerPC 603 exception model      */
97     POWERPC_EXCP_603,
98     /* PowerPC 603e exception model     */
99     POWERPC_EXCP_603E,
100     /* PowerPC G2 exception model       */
101     POWERPC_EXCP_G2,
102     /* PowerPC 604 exception model      */
103     POWERPC_EXCP_604,
104     /* PowerPC 7x0 exception model      */
105     POWERPC_EXCP_7x0,
106     /* PowerPC 7x5 exception model      */
107     POWERPC_EXCP_7x5,
108     /* PowerPC 74xx exception model     */
109     POWERPC_EXCP_74xx,
110     /* BookE exception model            */
111     POWERPC_EXCP_BOOKE,
112     /* PowerPC 970 exception model      */
113     POWERPC_EXCP_970,
114     /* POWER7 exception model           */
115     POWERPC_EXCP_POWER7,
116     /* POWER8 exception model           */
117     POWERPC_EXCP_POWER8,
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 } powerpc_pm_insn_t;
128 
129 /*****************************************************************************/
130 /* Input pins model                                                          */
131 typedef enum powerpc_input_t powerpc_input_t;
132 enum powerpc_input_t {
133     PPC_FLAGS_INPUT_UNKNOWN = 0,
134     /* PowerPC 6xx bus                  */
135     PPC_FLAGS_INPUT_6xx,
136     /* BookE bus                        */
137     PPC_FLAGS_INPUT_BookE,
138     /* PowerPC 405 bus                  */
139     PPC_FLAGS_INPUT_405,
140     /* PowerPC 970 bus                  */
141     PPC_FLAGS_INPUT_970,
142     /* PowerPC POWER7 bus               */
143     PPC_FLAGS_INPUT_POWER7,
144     /* PowerPC 401 bus                  */
145     PPC_FLAGS_INPUT_401,
146     /* Freescale RCPU bus               */
147     PPC_FLAGS_INPUT_RCPU,
148 };
149 
150 typedef struct PPCHash64Options PPCHash64Options;
151 
152 /**
153  * PowerPCCPUClass:
154  * @parent_realize: The parent class' realize handler.
155  * @parent_reset: The parent class' reset handler.
156  *
157  * A PowerPC CPU model.
158  */
159 typedef struct PowerPCCPUClass {
160     /*< private >*/
161     CPUClass parent_class;
162     /*< public >*/
163 
164     DeviceRealize parent_realize;
165     DeviceUnrealize parent_unrealize;
166     void (*parent_reset)(CPUState *cpu);
167     void (*parent_parse_features)(const char *type, char *str, Error **errp);
168 
169     uint32_t pvr;
170     bool (*pvr_match)(struct PowerPCCPUClass *pcc, uint32_t pvr);
171     uint64_t pcr_mask;          /* Available bits in PCR register */
172     uint64_t pcr_supported;     /* Bits for supported PowerISA versions */
173     uint32_t svr;
174     uint64_t insns_flags;
175     uint64_t insns_flags2;
176     uint64_t msr_mask;
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     const PPCHash64Options *hash64_opts;
185     struct ppc_radix_page_info *radix_page_info;
186     void (*init_proc)(CPUPPCState *env);
187     int  (*check_pow)(CPUPPCState *env);
188     int (*handle_mmu_fault)(PowerPCCPU *cpu, vaddr eaddr, int rwx, int mmu_idx);
189     bool (*interrupts_big_endian)(PowerPCCPU *cpu);
190 } PowerPCCPUClass;
191 
192 #ifndef CONFIG_USER_ONLY
193 typedef struct PPCTimebase {
194     uint64_t guest_timebase;
195     int64_t time_of_the_day_ns;
196 } PPCTimebase;
197 
198 extern const struct VMStateDescription vmstate_ppc_timebase;
199 
200 #define VMSTATE_PPC_TIMEBASE_V(_field, _state, _version) {            \
201     .name       = (stringify(_field)),                                \
202     .version_id = (_version),                                         \
203     .size       = sizeof(PPCTimebase),                                \
204     .vmsd       = &vmstate_ppc_timebase,                              \
205     .flags      = VMS_STRUCT,                                         \
206     .offset     = vmstate_offset_value(_state, _field, PPCTimebase),  \
207 }
208 
209 void cpu_ppc_clock_vm_state_change(void *opaque, int running,
210                                    RunState state);
211 #endif
212 
213 #endif
214