1 #include "qemu/osdep.h" 2 #include "cpu.h" 3 #include "exec/exec-all.h" 4 #include "hw/boards.h" 5 #include "qemu/timer.h" 6 7 #include "migration/cpu.h" 8 9 #ifdef TARGET_SPARC64 10 static const VMStateDescription vmstate_cpu_timer = { 11 .name = "cpu_timer", 12 .version_id = 1, 13 .minimum_version_id = 1, 14 .minimum_version_id_old = 1, 15 .fields = (VMStateField[]) { 16 VMSTATE_UINT32(frequency, CPUTimer), 17 VMSTATE_UINT32(disabled, CPUTimer), 18 VMSTATE_UINT64(disabled_mask, CPUTimer), 19 VMSTATE_UINT32(npt, CPUTimer), 20 VMSTATE_UINT64(npt_mask, CPUTimer), 21 VMSTATE_INT64(clock_offset, CPUTimer), 22 VMSTATE_TIMER_PTR(qtimer, CPUTimer), 23 VMSTATE_END_OF_LIST() 24 } 25 }; 26 27 #define VMSTATE_CPU_TIMER(_f, _s) \ 28 VMSTATE_STRUCT_POINTER(_f, _s, vmstate_cpu_timer, CPUTimer) 29 30 static const VMStateDescription vmstate_trap_state = { 31 .name = "trap_state", 32 .version_id = 1, 33 .minimum_version_id = 1, 34 .minimum_version_id_old = 1, 35 .fields = (VMStateField[]) { 36 VMSTATE_UINT64(tpc, trap_state), 37 VMSTATE_UINT64(tnpc, trap_state), 38 VMSTATE_UINT64(tstate, trap_state), 39 VMSTATE_UINT32(tt, trap_state), 40 VMSTATE_END_OF_LIST() 41 } 42 }; 43 44 static const VMStateDescription vmstate_tlb_entry = { 45 .name = "tlb_entry", 46 .version_id = 1, 47 .minimum_version_id = 1, 48 .minimum_version_id_old = 1, 49 .fields = (VMStateField[]) { 50 VMSTATE_UINT64(tag, SparcTLBEntry), 51 VMSTATE_UINT64(tte, SparcTLBEntry), 52 VMSTATE_END_OF_LIST() 53 } 54 }; 55 #endif 56 57 static int get_psr(QEMUFile *f, void *opaque, size_t size, 58 const VMStateField *field) 59 { 60 SPARCCPU *cpu = opaque; 61 CPUSPARCState *env = &cpu->env; 62 uint32_t val = qemu_get_be32(f); 63 64 /* needed to ensure that the wrapping registers are correctly updated */ 65 env->cwp = 0; 66 cpu_put_psr_raw(env, val); 67 68 return 0; 69 } 70 71 static int put_psr(QEMUFile *f, void *opaque, size_t size, 72 const VMStateField *field, QJSON *vmdesc) 73 { 74 SPARCCPU *cpu = opaque; 75 CPUSPARCState *env = &cpu->env; 76 uint32_t val; 77 78 val = cpu_get_psr(env); 79 80 qemu_put_be32(f, val); 81 return 0; 82 } 83 84 static const VMStateInfo vmstate_psr = { 85 .name = "psr", 86 .get = get_psr, 87 .put = put_psr, 88 }; 89 90 static int cpu_pre_save(void *opaque) 91 { 92 SPARCCPU *cpu = opaque; 93 CPUSPARCState *env = &cpu->env; 94 95 /* if env->cwp == env->nwindows - 1, this will set the ins of the last 96 * window as the outs of the first window 97 */ 98 cpu_set_cwp(env, env->cwp); 99 100 return 0; 101 } 102 103 /* 32-bit SPARC retains migration compatibility with older versions 104 * of QEMU; 64-bit SPARC has had a migration break since then, so the 105 * versions are different. 106 */ 107 #ifndef TARGET_SPARC64 108 #define SPARC_VMSTATE_VER 7 109 #else 110 #define SPARC_VMSTATE_VER 9 111 #endif 112 113 const VMStateDescription vmstate_sparc_cpu = { 114 .name = "cpu", 115 .version_id = SPARC_VMSTATE_VER, 116 .minimum_version_id = SPARC_VMSTATE_VER, 117 .minimum_version_id_old = SPARC_VMSTATE_VER, 118 .pre_save = cpu_pre_save, 119 .fields = (VMStateField[]) { 120 VMSTATE_UINTTL_ARRAY(env.gregs, SPARCCPU, 8), 121 VMSTATE_UINT32(env.nwindows, SPARCCPU), 122 VMSTATE_VARRAY_MULTIPLY(env.regbase, SPARCCPU, env.nwindows, 16, 123 vmstate_info_uinttl, target_ulong), 124 VMSTATE_CPUDOUBLE_ARRAY(env.fpr, SPARCCPU, TARGET_DPREGS), 125 VMSTATE_UINTTL(env.pc, SPARCCPU), 126 VMSTATE_UINTTL(env.npc, SPARCCPU), 127 VMSTATE_UINTTL(env.y, SPARCCPU), 128 { 129 130 .name = "psr", 131 .version_id = 0, 132 .size = sizeof(uint32_t), 133 .info = &vmstate_psr, 134 .flags = VMS_SINGLE, 135 .offset = 0, 136 }, 137 VMSTATE_UINTTL(env.fsr, SPARCCPU), 138 VMSTATE_UINTTL(env.tbr, SPARCCPU), 139 VMSTATE_INT32(env.interrupt_index, SPARCCPU), 140 VMSTATE_UINT32(env.pil_in, SPARCCPU), 141 #ifndef TARGET_SPARC64 142 /* MMU */ 143 VMSTATE_UINT32(env.wim, SPARCCPU), 144 VMSTATE_UINT32_ARRAY(env.mmuregs, SPARCCPU, 32), 145 VMSTATE_UINT64_ARRAY(env.mxccdata, SPARCCPU, 4), 146 VMSTATE_UINT64_ARRAY(env.mxccregs, SPARCCPU, 8), 147 VMSTATE_UINT32(env.mmubpctrv, SPARCCPU), 148 VMSTATE_UINT32(env.mmubpctrc, SPARCCPU), 149 VMSTATE_UINT32(env.mmubpctrs, SPARCCPU), 150 VMSTATE_UINT64(env.mmubpaction, SPARCCPU), 151 VMSTATE_UINT64_ARRAY(env.mmubpregs, SPARCCPU, 4), 152 #else 153 VMSTATE_UINT64(env.lsu, SPARCCPU), 154 VMSTATE_UINT64_ARRAY(env.immu.mmuregs, SPARCCPU, 16), 155 VMSTATE_UINT64_ARRAY(env.dmmu.mmuregs, SPARCCPU, 16), 156 VMSTATE_STRUCT_ARRAY(env.itlb, SPARCCPU, 64, 0, 157 vmstate_tlb_entry, SparcTLBEntry), 158 VMSTATE_STRUCT_ARRAY(env.dtlb, SPARCCPU, 64, 0, 159 vmstate_tlb_entry, SparcTLBEntry), 160 VMSTATE_UINT32(env.mmu_version, SPARCCPU), 161 VMSTATE_STRUCT_ARRAY(env.ts, SPARCCPU, MAXTL_MAX, 0, 162 vmstate_trap_state, trap_state), 163 VMSTATE_UINT32(env.xcc, SPARCCPU), 164 VMSTATE_UINT32(env.asi, SPARCCPU), 165 VMSTATE_UINT32(env.pstate, SPARCCPU), 166 VMSTATE_UINT32(env.tl, SPARCCPU), 167 VMSTATE_UINT32(env.cansave, SPARCCPU), 168 VMSTATE_UINT32(env.canrestore, SPARCCPU), 169 VMSTATE_UINT32(env.otherwin, SPARCCPU), 170 VMSTATE_UINT32(env.wstate, SPARCCPU), 171 VMSTATE_UINT32(env.cleanwin, SPARCCPU), 172 VMSTATE_UINT64_ARRAY(env.agregs, SPARCCPU, 8), 173 VMSTATE_UINT64_ARRAY(env.bgregs, SPARCCPU, 8), 174 VMSTATE_UINT64_ARRAY(env.igregs, SPARCCPU, 8), 175 VMSTATE_UINT64_ARRAY(env.mgregs, SPARCCPU, 8), 176 VMSTATE_UINT64(env.fprs, SPARCCPU), 177 VMSTATE_UINT64(env.tick_cmpr, SPARCCPU), 178 VMSTATE_UINT64(env.stick_cmpr, SPARCCPU), 179 VMSTATE_CPU_TIMER(env.tick, SPARCCPU), 180 VMSTATE_CPU_TIMER(env.stick, SPARCCPU), 181 VMSTATE_UINT64(env.gsr, SPARCCPU), 182 VMSTATE_UINT32(env.gl, SPARCCPU), 183 VMSTATE_UINT64(env.hpstate, SPARCCPU), 184 VMSTATE_UINT64_ARRAY(env.htstate, SPARCCPU, MAXTL_MAX), 185 VMSTATE_UINT64(env.hintp, SPARCCPU), 186 VMSTATE_UINT64(env.htba, SPARCCPU), 187 VMSTATE_UINT64(env.hver, SPARCCPU), 188 VMSTATE_UINT64(env.hstick_cmpr, SPARCCPU), 189 VMSTATE_UINT64(env.ssr, SPARCCPU), 190 VMSTATE_CPU_TIMER(env.hstick, SPARCCPU), 191 /* On SPARC32 env.psrpil and env.cwp are migrated as part of the PSR */ 192 VMSTATE_UINT32(env.psrpil, SPARCCPU), 193 VMSTATE_UINT32(env.cwp, SPARCCPU), 194 #endif 195 VMSTATE_END_OF_LIST() 196 }, 197 }; 198