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 static inline bool mmu_is_64bit(powerpc_mmu_t mmu_model) 78 { 79 return mmu_model & POWERPC_MMU_64; 80 } 81 82 /*****************************************************************************/ 83 /* Exception model */ 84 typedef enum powerpc_excp_t powerpc_excp_t; 85 enum powerpc_excp_t { 86 POWERPC_EXCP_UNKNOWN = 0, 87 /* Standard PowerPC exception model */ 88 POWERPC_EXCP_STD, 89 /* PowerPC 40x exception model */ 90 POWERPC_EXCP_40x, 91 /* PowerPC 601 exception model */ 92 POWERPC_EXCP_601, 93 /* PowerPC 602 exception model */ 94 POWERPC_EXCP_602, 95 /* PowerPC 603 exception model */ 96 POWERPC_EXCP_603, 97 /* PowerPC 603e exception model */ 98 POWERPC_EXCP_603E, 99 /* PowerPC G2 exception model */ 100 POWERPC_EXCP_G2, 101 /* PowerPC 604 exception model */ 102 POWERPC_EXCP_604, 103 /* PowerPC 7x0 exception model */ 104 POWERPC_EXCP_7x0, 105 /* PowerPC 7x5 exception model */ 106 POWERPC_EXCP_7x5, 107 /* PowerPC 74xx exception model */ 108 POWERPC_EXCP_74xx, 109 /* BookE exception model */ 110 POWERPC_EXCP_BOOKE, 111 /* PowerPC 970 exception model */ 112 POWERPC_EXCP_970, 113 /* POWER7 exception model */ 114 POWERPC_EXCP_POWER7, 115 /* POWER8 exception model */ 116 POWERPC_EXCP_POWER8, 117 /* POWER9 exception model */ 118 POWERPC_EXCP_POWER9, 119 /* POWER10 exception model */ 120 POWERPC_EXCP_POWER10, 121 }; 122 123 /*****************************************************************************/ 124 /* PM instructions */ 125 typedef enum { 126 PPC_PM_DOZE, 127 PPC_PM_NAP, 128 PPC_PM_SLEEP, 129 PPC_PM_RVWINKLE, 130 PPC_PM_STOP, 131 } powerpc_pm_insn_t; 132 133 /*****************************************************************************/ 134 /* Input pins model */ 135 typedef enum powerpc_input_t powerpc_input_t; 136 enum powerpc_input_t { 137 PPC_FLAGS_INPUT_UNKNOWN = 0, 138 /* PowerPC 6xx bus */ 139 PPC_FLAGS_INPUT_6xx, 140 /* BookE bus */ 141 PPC_FLAGS_INPUT_BookE, 142 /* PowerPC 405 bus */ 143 PPC_FLAGS_INPUT_405, 144 /* PowerPC 970 bus */ 145 PPC_FLAGS_INPUT_970, 146 /* PowerPC POWER7 bus */ 147 PPC_FLAGS_INPUT_POWER7, 148 /* PowerPC POWER9 bus */ 149 PPC_FLAGS_INPUT_POWER9, 150 /* PowerPC 401 bus */ 151 PPC_FLAGS_INPUT_401, 152 /* Freescale RCPU bus */ 153 PPC_FLAGS_INPUT_RCPU, 154 }; 155 156 typedef struct PPCHash64Options PPCHash64Options; 157 158 /** 159 * PowerPCCPUClass: 160 * @parent_realize: The parent class' realize handler. 161 * @parent_reset: The parent class' reset handler. 162 * 163 * A PowerPC CPU model. 164 */ 165 struct PowerPCCPUClass { 166 /*< private >*/ 167 CPUClass parent_class; 168 /*< public >*/ 169 170 DeviceRealize parent_realize; 171 DeviceUnrealize parent_unrealize; 172 DeviceReset parent_reset; 173 void (*parent_parse_features)(const char *type, char *str, Error **errp); 174 175 uint32_t pvr; 176 bool (*pvr_match)(struct PowerPCCPUClass *pcc, uint32_t pvr); 177 uint64_t pcr_mask; /* Available bits in PCR register */ 178 uint64_t pcr_supported; /* Bits for supported PowerISA versions */ 179 uint32_t svr; 180 uint64_t insns_flags; 181 uint64_t insns_flags2; 182 uint64_t msr_mask; 183 uint64_t lpcr_mask; /* Available bits in the LPCR */ 184 uint64_t lpcr_pm; /* Power-saving mode Exit Cause Enable bits */ 185 powerpc_mmu_t mmu_model; 186 powerpc_excp_t excp_model; 187 powerpc_input_t bus_model; 188 uint32_t flags; 189 int bfd_mach; 190 uint32_t l1_dcache_size, l1_icache_size; 191 #ifndef CONFIG_USER_ONLY 192 unsigned int gdb_num_sprs; 193 const char *gdb_spr_xml; 194 #endif 195 const PPCHash64Options *hash64_opts; 196 struct ppc_radix_page_info *radix_page_info; 197 uint32_t lrg_decr_bits; 198 int n_host_threads; 199 void (*init_proc)(CPUPPCState *env); 200 int (*check_pow)(CPUPPCState *env); 201 int (*handle_mmu_fault)(PowerPCCPU *cpu, vaddr eaddr, int rwx, int mmu_idx); 202 bool (*interrupts_big_endian)(PowerPCCPU *cpu); 203 }; 204 205 #ifndef CONFIG_USER_ONLY 206 typedef struct PPCTimebase { 207 uint64_t guest_timebase; 208 int64_t time_of_the_day_ns; 209 bool runstate_paused; 210 } PPCTimebase; 211 212 extern const VMStateDescription vmstate_ppc_timebase; 213 214 #define VMSTATE_PPC_TIMEBASE_V(_field, _state, _version) { \ 215 .name = (stringify(_field)), \ 216 .version_id = (_version), \ 217 .size = sizeof(PPCTimebase), \ 218 .vmsd = &vmstate_ppc_timebase, \ 219 .flags = VMS_STRUCT, \ 220 .offset = vmstate_offset_value(_state, _field, PPCTimebase), \ 221 } 222 223 void cpu_ppc_clock_vm_state_change(void *opaque, bool running, 224 RunState state); 225 #endif 226 227 #endif 228