1 #include "qemu/osdep.h" 2 #include "cpu.h" 3 #include "exec/exec-all.h" 4 #include "qemu/timer.h" 5 6 #include "migration/cpu.h" 7 8 #ifdef TARGET_SPARC64 9 static const VMStateDescription vmstate_cpu_timer = { 10 .name = "cpu_timer", 11 .version_id = 1, 12 .minimum_version_id = 1, 13 .fields = (const VMStateField[]) { 14 VMSTATE_UINT32(frequency, CPUTimer), 15 VMSTATE_UINT32(disabled, CPUTimer), 16 VMSTATE_UINT64(disabled_mask, CPUTimer), 17 VMSTATE_UINT32(npt, CPUTimer), 18 VMSTATE_UINT64(npt_mask, CPUTimer), 19 VMSTATE_INT64(clock_offset, CPUTimer), 20 VMSTATE_TIMER_PTR(qtimer, CPUTimer), 21 VMSTATE_END_OF_LIST() 22 } 23 }; 24 25 #define VMSTATE_CPU_TIMER(_f, _s) \ 26 VMSTATE_STRUCT_POINTER(_f, _s, vmstate_cpu_timer, CPUTimer) 27 28 static const VMStateDescription vmstate_trap_state = { 29 .name = "trap_state", 30 .version_id = 1, 31 .minimum_version_id = 1, 32 .fields = (const VMStateField[]) { 33 VMSTATE_UINT64(tpc, trap_state), 34 VMSTATE_UINT64(tnpc, trap_state), 35 VMSTATE_UINT64(tstate, trap_state), 36 VMSTATE_UINT32(tt, trap_state), 37 VMSTATE_END_OF_LIST() 38 } 39 }; 40 41 static const VMStateDescription vmstate_tlb_entry = { 42 .name = "tlb_entry", 43 .version_id = 1, 44 .minimum_version_id = 1, 45 .fields = (const VMStateField[]) { 46 VMSTATE_UINT64(tag, SparcTLBEntry), 47 VMSTATE_UINT64(tte, SparcTLBEntry), 48 VMSTATE_END_OF_LIST() 49 } 50 }; 51 #endif 52 53 static int get_psr(QEMUFile *f, void *opaque, size_t size, 54 const VMStateField *field) 55 { 56 SPARCCPU *cpu = opaque; 57 CPUSPARCState *env = &cpu->env; 58 uint32_t val = qemu_get_be32(f); 59 60 /* needed to ensure that the wrapping registers are correctly updated */ 61 env->cwp = 0; 62 cpu_put_psr_raw(env, val); 63 64 return 0; 65 } 66 67 static int put_psr(QEMUFile *f, void *opaque, size_t size, 68 const VMStateField *field, JSONWriter *vmdesc) 69 { 70 SPARCCPU *cpu = opaque; 71 CPUSPARCState *env = &cpu->env; 72 uint32_t val; 73 74 val = cpu_get_psr(env); 75 76 qemu_put_be32(f, val); 77 return 0; 78 } 79 80 static const VMStateInfo vmstate_psr = { 81 .name = "psr", 82 .get = get_psr, 83 .put = put_psr, 84 }; 85 86 static int get_fsr(QEMUFile *f, void *opaque, size_t size, 87 const VMStateField *field) 88 { 89 SPARCCPU *cpu = opaque; 90 target_ulong val = qemu_get_betl(f); 91 92 cpu_put_fsr(&cpu->env, val); 93 return 0; 94 } 95 96 static int put_fsr(QEMUFile *f, void *opaque, size_t size, 97 const VMStateField *field, JSONWriter *vmdesc) 98 { 99 SPARCCPU *cpu = opaque; 100 target_ulong val = cpu_get_fsr(&cpu->env); 101 102 qemu_put_betl(f, val); 103 return 0; 104 } 105 106 static const VMStateInfo vmstate_fsr = { 107 .name = "fsr", 108 .get = get_fsr, 109 .put = put_fsr, 110 }; 111 112 #ifdef TARGET_SPARC64 113 static int get_xcc(QEMUFile *f, void *opaque, size_t size, 114 const VMStateField *field) 115 { 116 SPARCCPU *cpu = opaque; 117 CPUSPARCState *env = &cpu->env; 118 uint32_t val = qemu_get_be32(f); 119 120 /* Do not clobber icc.[NV] */ 121 env->cc_N = deposit64(env->cc_N, 32, 32, -(val & PSR_NEG)); 122 env->cc_V = deposit64(env->cc_V, 32, 32, -(val & PSR_OVF)); 123 env->xcc_Z = ~val & PSR_ZERO; 124 env->xcc_C = (val >> PSR_CARRY_SHIFT) & 1; 125 126 return 0; 127 } 128 129 static int put_xcc(QEMUFile *f, void *opaque, size_t size, 130 const VMStateField *field, JSONWriter *vmdesc) 131 { 132 SPARCCPU *cpu = opaque; 133 CPUSPARCState *env = &cpu->env; 134 uint32_t val = cpu_get_ccr(env); 135 136 /* Extract just xcc out of ccr and shift into legacy position. */ 137 qemu_put_be32(f, (val & 0xf0) << (20 - 4)); 138 return 0; 139 } 140 141 static const VMStateInfo vmstate_xcc = { 142 .name = "xcc", 143 .get = get_xcc, 144 .put = put_xcc, 145 }; 146 #endif 147 148 static int cpu_pre_save(void *opaque) 149 { 150 SPARCCPU *cpu = opaque; 151 CPUSPARCState *env = &cpu->env; 152 153 /* if env->cwp == env->nwindows - 1, this will set the ins of the last 154 * window as the outs of the first window 155 */ 156 cpu_set_cwp(env, env->cwp); 157 158 return 0; 159 } 160 161 /* 32-bit SPARC retains migration compatibility with older versions 162 * of QEMU; 64-bit SPARC has had a migration break since then, so the 163 * versions are different. 164 */ 165 #ifndef TARGET_SPARC64 166 #define SPARC_VMSTATE_VER 7 167 #else 168 #define SPARC_VMSTATE_VER 9 169 #endif 170 171 const VMStateDescription vmstate_sparc_cpu = { 172 .name = "cpu", 173 .version_id = SPARC_VMSTATE_VER, 174 .minimum_version_id = SPARC_VMSTATE_VER, 175 .pre_save = cpu_pre_save, 176 .fields = (const VMStateField[]) { 177 VMSTATE_UINTTL_ARRAY(env.gregs, SPARCCPU, 8), 178 VMSTATE_UINT32(env.nwindows, SPARCCPU), 179 VMSTATE_VARRAY_MULTIPLY(env.regbase, SPARCCPU, env.nwindows, 16, 180 vmstate_info_uinttl, target_ulong), 181 VMSTATE_CPUDOUBLE_ARRAY(env.fpr, SPARCCPU, TARGET_DPREGS), 182 VMSTATE_UINTTL(env.pc, SPARCCPU), 183 VMSTATE_UINTTL(env.npc, SPARCCPU), 184 VMSTATE_UINTTL(env.y, SPARCCPU), 185 { 186 .name = "psr", 187 .version_id = 0, 188 .size = sizeof(uint32_t), 189 .info = &vmstate_psr, 190 .flags = VMS_SINGLE, 191 .offset = 0, 192 }, 193 { 194 .name = "fsr", 195 .version_id = 0, 196 .size = sizeof(target_ulong), 197 .info = &vmstate_fsr, 198 .flags = VMS_SINGLE, 199 .offset = 0, 200 }, 201 VMSTATE_UINTTL(env.tbr, SPARCCPU), 202 VMSTATE_INT32(env.interrupt_index, SPARCCPU), 203 VMSTATE_UINT32(env.pil_in, SPARCCPU), 204 #ifndef TARGET_SPARC64 205 /* MMU */ 206 VMSTATE_UINT32(env.wim, SPARCCPU), 207 VMSTATE_UINT32_ARRAY(env.mmuregs, SPARCCPU, 32), 208 VMSTATE_UINT64_ARRAY(env.mxccdata, SPARCCPU, 4), 209 VMSTATE_UINT64_ARRAY(env.mxccregs, SPARCCPU, 8), 210 VMSTATE_UINT32(env.mmubpctrv, SPARCCPU), 211 VMSTATE_UINT32(env.mmubpctrc, SPARCCPU), 212 VMSTATE_UINT32(env.mmubpctrs, SPARCCPU), 213 VMSTATE_UINT64(env.mmubpaction, SPARCCPU), 214 VMSTATE_UINT64_ARRAY(env.mmubpregs, SPARCCPU, 4), 215 #else 216 VMSTATE_UINT64(env.lsu, SPARCCPU), 217 VMSTATE_UINT64_ARRAY(env.immu.mmuregs, SPARCCPU, 16), 218 VMSTATE_UINT64_ARRAY(env.dmmu.mmuregs, SPARCCPU, 16), 219 VMSTATE_STRUCT_ARRAY(env.itlb, SPARCCPU, 64, 0, 220 vmstate_tlb_entry, SparcTLBEntry), 221 VMSTATE_STRUCT_ARRAY(env.dtlb, SPARCCPU, 64, 0, 222 vmstate_tlb_entry, SparcTLBEntry), 223 VMSTATE_UINT32(env.mmu_version, SPARCCPU), 224 VMSTATE_STRUCT_ARRAY(env.ts, SPARCCPU, MAXTL_MAX, 0, 225 vmstate_trap_state, trap_state), 226 { 227 .name = "xcc", 228 .version_id = 0, 229 .size = sizeof(uint32_t), 230 .info = &vmstate_xcc, 231 .flags = VMS_SINGLE, 232 .offset = 0, 233 }, 234 VMSTATE_UINT32(env.asi, SPARCCPU), 235 VMSTATE_UINT32(env.pstate, SPARCCPU), 236 VMSTATE_UINT32(env.tl, SPARCCPU), 237 VMSTATE_UINT32(env.cansave, SPARCCPU), 238 VMSTATE_UINT32(env.canrestore, SPARCCPU), 239 VMSTATE_UINT32(env.otherwin, SPARCCPU), 240 VMSTATE_UINT32(env.wstate, SPARCCPU), 241 VMSTATE_UINT32(env.cleanwin, SPARCCPU), 242 VMSTATE_UINT64_ARRAY(env.agregs, SPARCCPU, 8), 243 VMSTATE_UINT64_ARRAY(env.bgregs, SPARCCPU, 8), 244 VMSTATE_UINT64_ARRAY(env.igregs, SPARCCPU, 8), 245 VMSTATE_UINT64_ARRAY(env.mgregs, SPARCCPU, 8), 246 VMSTATE_UNUSED(4), /* was unused high half of uint64_t fprs */ 247 VMSTATE_UINT32(env.fprs, SPARCCPU), 248 VMSTATE_UINT64(env.tick_cmpr, SPARCCPU), 249 VMSTATE_UINT64(env.stick_cmpr, SPARCCPU), 250 VMSTATE_CPU_TIMER(env.tick, SPARCCPU), 251 VMSTATE_CPU_TIMER(env.stick, SPARCCPU), 252 VMSTATE_UINT64(env.gsr, SPARCCPU), 253 VMSTATE_UINT32(env.gl, SPARCCPU), 254 VMSTATE_UINT64(env.hpstate, SPARCCPU), 255 VMSTATE_UINT64_ARRAY(env.htstate, SPARCCPU, MAXTL_MAX), 256 VMSTATE_UINT64(env.hintp, SPARCCPU), 257 VMSTATE_UINT64(env.htba, SPARCCPU), 258 VMSTATE_UINT64(env.hver, SPARCCPU), 259 VMSTATE_UINT64(env.hstick_cmpr, SPARCCPU), 260 VMSTATE_UINT64(env.ssr, SPARCCPU), 261 VMSTATE_CPU_TIMER(env.hstick, SPARCCPU), 262 /* On SPARC32 env.psrpil and env.cwp are migrated as part of the PSR */ 263 VMSTATE_UINT32(env.psrpil, SPARCCPU), 264 VMSTATE_UINT32(env.cwp, SPARCCPU), 265 #endif 266 VMSTATE_END_OF_LIST() 267 }, 268 }; 269